diff options
Diffstat (limited to 'thirdparty/squish')
24 files changed, 4077 insertions, 3807 deletions
diff --git a/thirdparty/squish/alpha.cpp b/thirdparty/squish/alpha.cpp index 2292081e7a..7039c1a3b8 100644 --- a/thirdparty/squish/alpha.cpp +++ b/thirdparty/squish/alpha.cpp @@ -1,29 +1,30 @@ /* ----------------------------------------------------------------------------- - Copyright (c) 2006 Simon Brown si@sjbrown.co.uk - - Permission is hereby granted, free of charge, to any person obtaining - a copy of this software and associated documentation files (the - "Software"), to deal in the Software without restriction, including - without limitation the rights to use, copy, modify, merge, publish, - distribute, sublicense, and/or sell copies of the Software, and to - permit persons to whom the Software is furnished to do so, subject to - the following conditions: - - The above copyright notice and this permission notice shall be included - in all copies or substantial portions of the Software. - - THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY - CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - + Copyright (c) 2006 Simon Brown si@sjbrown.co.uk + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + "Software"), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + -------------------------------------------------------------------------- */ - + #include "alpha.h" + #include <climits> #include <algorithm> @@ -31,319 +32,319 @@ namespace squish { static int FloatToInt( float a, int limit ) { - // use ANSI round-to-zero behaviour to get round-to-nearest - int i = ( int )( a + 0.5f ); + // use ANSI round-to-zero behaviour to get round-to-nearest + int i = ( int )( a + 0.5f ); - // clamp to the limit - if( i < 0 ) - i = 0; - else if( i > limit ) - i = limit; + // clamp to the limit + if( i < 0 ) + i = 0; + else if( i > limit ) + i = limit; - // done - return i; + // done + return i; } void CompressAlphaDxt3( u8 const* rgba, int mask, void* block ) { - u8* bytes = reinterpret_cast< u8* >( block ); - - // quantise and pack the alpha values pairwise - for( int i = 0; i < 8; ++i ) - { - // quantise down to 4 bits - float alpha1 = ( float )rgba[8*i + 3] * ( 15.0f/255.0f ); - float alpha2 = ( float )rgba[8*i + 7] * ( 15.0f/255.0f ); - int quant1 = FloatToInt( alpha1, 15 ); - int quant2 = FloatToInt( alpha2, 15 ); - - // set alpha to zero where masked - int bit1 = 1 << ( 2*i ); - int bit2 = 1 << ( 2*i + 1 ); - if( ( mask & bit1 ) == 0 ) - quant1 = 0; - if( ( mask & bit2 ) == 0 ) - quant2 = 0; - - // pack into the byte - bytes[i] = ( u8 )( quant1 | ( quant2 << 4 ) ); - } + u8* bytes = reinterpret_cast< u8* >( block ); + + // quantise and pack the alpha values pairwise + for( int i = 0; i < 8; ++i ) + { + // quantise down to 4 bits + float alpha1 = ( float )rgba[8*i + 3] * ( 15.0f/255.0f ); + float alpha2 = ( float )rgba[8*i + 7] * ( 15.0f/255.0f ); + int quant1 = FloatToInt( alpha1, 15 ); + int quant2 = FloatToInt( alpha2, 15 ); + + // set alpha to zero where masked + int bit1 = 1 << ( 2*i ); + int bit2 = 1 << ( 2*i + 1 ); + if( ( mask & bit1 ) == 0 ) + quant1 = 0; + if( ( mask & bit2 ) == 0 ) + quant2 = 0; + + // pack into the byte + bytes[i] = ( u8 )( quant1 | ( quant2 << 4 ) ); + } } void DecompressAlphaDxt3( u8* rgba, void const* block ) { - u8 const* bytes = reinterpret_cast< u8 const* >( block ); - - // unpack the alpha values pairwise - for( int i = 0; i < 8; ++i ) - { - // quantise down to 4 bits - u8 quant = bytes[i]; - - // unpack the values - u8 lo = quant & 0x0f; - u8 hi = quant & 0xf0; - - // convert back up to bytes - rgba[8*i + 3] = lo | ( lo << 4 ); - rgba[8*i + 7] = hi | ( hi >> 4 ); - } + u8 const* bytes = reinterpret_cast< u8 const* >( block ); + + // unpack the alpha values pairwise + for( int i = 0; i < 8; ++i ) + { + // quantise down to 4 bits + u8 quant = bytes[i]; + + // unpack the values + u8 lo = quant & 0x0f; + u8 hi = quant & 0xf0; + + // convert back up to bytes + rgba[8*i + 3] = lo | ( lo << 4 ); + rgba[8*i + 7] = hi | ( hi >> 4 ); + } } static void FixRange( int& min, int& max, int steps ) { - if( max - min < steps ) - max = std::min( min + steps, 255 ); - if( max - min < steps ) - min = std::max( 0, max - steps ); + if( max - min < steps ) + max = std::min( min + steps, 255 ); + if( max - min < steps ) + min = std::max( 0, max - steps ); } static int FitCodes( u8 const* rgba, int mask, u8 const* codes, u8* indices ) { - // fit each alpha value to the codebook - int err = 0; - for( int i = 0; i < 16; ++i ) - { - // check this pixel is valid - int bit = 1 << i; - if( ( mask & bit ) == 0 ) - { - // use the first code - indices[i] = 0; - continue; - } - - // find the least error and corresponding index - int value = rgba[4*i + 3]; - int least = INT_MAX; - int index = 0; - for( int j = 0; j < 8; ++j ) - { - // get the squared error from this code - int dist = ( int )value - ( int )codes[j]; - dist *= dist; - - // compare with the best so far - if( dist < least ) - { - least = dist; - index = j; - } - } - - // save this index and accumulate the error - indices[i] = ( u8 )index; - err += least; - } - - // return the total error - return err; + // fit each alpha value to the codebook + int err = 0; + for( int i = 0; i < 16; ++i ) + { + // check this pixel is valid + int bit = 1 << i; + if( ( mask & bit ) == 0 ) + { + // use the first code + indices[i] = 0; + continue; + } + + // find the least error and corresponding index + int value = rgba[4*i + 3]; + int least = INT_MAX; + int index = 0; + for( int j = 0; j < 8; ++j ) + { + // get the squared error from this code + int dist = ( int )value - ( int )codes[j]; + dist *= dist; + + // compare with the best so far + if( dist < least ) + { + least = dist; + index = j; + } + } + + // save this index and accumulate the error + indices[i] = ( u8 )index; + err += least; + } + + // return the total error + return err; } static void WriteAlphaBlock( int alpha0, int alpha1, u8 const* indices, void* block ) { - u8* bytes = reinterpret_cast< u8* >( block ); - - // write the first two bytes - bytes[0] = ( u8 )alpha0; - bytes[1] = ( u8 )alpha1; - - // pack the indices with 3 bits each - u8* dest = bytes + 2; - u8 const* src = indices; - for( int i = 0; i < 2; ++i ) - { - // pack 8 3-bit values - int value = 0; - for( int j = 0; j < 8; ++j ) - { - int index = *src++; - value |= ( index << 3*j ); - } - - // store in 3 bytes - for( int j = 0; j < 3; ++j ) - { - int byte = ( value >> 8*j ) & 0xff; - *dest++ = ( u8 )byte; - } - } + u8* bytes = reinterpret_cast< u8* >( block ); + + // write the first two bytes + bytes[0] = ( u8 )alpha0; + bytes[1] = ( u8 )alpha1; + + // pack the indices with 3 bits each + u8* dest = bytes + 2; + u8 const* src = indices; + for( int i = 0; i < 2; ++i ) + { + // pack 8 3-bit values + int value = 0; + for( int j = 0; j < 8; ++j ) + { + int index = *src++; + value |= ( index << 3*j ); + } + + // store in 3 bytes + for( int j = 0; j < 3; ++j ) + { + int byte = ( value >> 8*j ) & 0xff; + *dest++ = ( u8 )byte; + } + } } static void WriteAlphaBlock5( int alpha0, int alpha1, u8 const* indices, void* block ) { - // check the relative values of the endpoints - if( alpha0 > alpha1 ) - { - // swap the indices - u8 swapped[16]; - for( int i = 0; i < 16; ++i ) - { - u8 index = indices[i]; - if( index == 0 ) - swapped[i] = 1; - else if( index == 1 ) - swapped[i] = 0; - else if( index <= 5 ) - swapped[i] = 7 - index; - else - swapped[i] = index; - } - - // write the block - WriteAlphaBlock( alpha1, alpha0, swapped, block ); - } - else - { - // write the block - WriteAlphaBlock( alpha0, alpha1, indices, block ); - } + // check the relative values of the endpoints + if( alpha0 > alpha1 ) + { + // swap the indices + u8 swapped[16]; + for( int i = 0; i < 16; ++i ) + { + u8 index = indices[i]; + if( index == 0 ) + swapped[i] = 1; + else if( index == 1 ) + swapped[i] = 0; + else if( index <= 5 ) + swapped[i] = 7 - index; + else + swapped[i] = index; + } + + // write the block + WriteAlphaBlock( alpha1, alpha0, swapped, block ); + } + else + { + // write the block + WriteAlphaBlock( alpha0, alpha1, indices, block ); + } } static void WriteAlphaBlock7( int alpha0, int alpha1, u8 const* indices, void* block ) { - // check the relative values of the endpoints - if( alpha0 < alpha1 ) - { - // swap the indices - u8 swapped[16]; - for( int i = 0; i < 16; ++i ) - { - u8 index = indices[i]; - if( index == 0 ) - swapped[i] = 1; - else if( index == 1 ) - swapped[i] = 0; - else - swapped[i] = 9 - index; - } - - // write the block - WriteAlphaBlock( alpha1, alpha0, swapped, block ); - } - else - { - // write the block - WriteAlphaBlock( alpha0, alpha1, indices, block ); - } + // check the relative values of the endpoints + if( alpha0 < alpha1 ) + { + // swap the indices + u8 swapped[16]; + for( int i = 0; i < 16; ++i ) + { + u8 index = indices[i]; + if( index == 0 ) + swapped[i] = 1; + else if( index == 1 ) + swapped[i] = 0; + else + swapped[i] = 9 - index; + } + + // write the block + WriteAlphaBlock( alpha1, alpha0, swapped, block ); + } + else + { + // write the block + WriteAlphaBlock( alpha0, alpha1, indices, block ); + } } void CompressAlphaDxt5( u8 const* rgba, int mask, void* block ) { - // get the range for 5-alpha and 7-alpha interpolation - int min5 = 255; - int max5 = 0; - int min7 = 255; - int max7 = 0; - for( int i = 0; i < 16; ++i ) - { - // check this pixel is valid - int bit = 1 << i; - if( ( mask & bit ) == 0 ) - continue; - - // incorporate into the min/max - int value = rgba[4*i + 3]; - if( value < min7 ) - min7 = value; - if( value > max7 ) - max7 = value; - if( value != 0 && value < min5 ) - min5 = value; - if( value != 255 && value > max5 ) - max5 = value; - } - - // handle the case that no valid range was found - if( min5 > max5 ) - min5 = max5; - if( min7 > max7 ) - min7 = max7; - - // fix the range to be the minimum in each case - FixRange( min5, max5, 5 ); - FixRange( min7, max7, 7 ); - - // set up the 5-alpha code book - u8 codes5[8]; - codes5[0] = ( u8 )min5; - codes5[1] = ( u8 )max5; - for( int i = 1; i < 5; ++i ) - codes5[1 + i] = ( u8 )( ( ( 5 - i )*min5 + i*max5 )/5 ); - codes5[6] = 0; - codes5[7] = 255; - - // set up the 7-alpha code book - u8 codes7[8]; - codes7[0] = ( u8 )min7; - codes7[1] = ( u8 )max7; - for( int i = 1; i < 7; ++i ) - codes7[1 + i] = ( u8 )( ( ( 7 - i )*min7 + i*max7 )/7 ); - - // fit the data to both code books - u8 indices5[16]; - u8 indices7[16]; - int err5 = FitCodes( rgba, mask, codes5, indices5 ); - int err7 = FitCodes( rgba, mask, codes7, indices7 ); - - // save the block with least error - if( err5 <= err7 ) - WriteAlphaBlock5( min5, max5, indices5, block ); - else - WriteAlphaBlock7( min7, max7, indices7, block ); + // get the range for 5-alpha and 7-alpha interpolation + int min5 = 255; + int max5 = 0; + int min7 = 255; + int max7 = 0; + for( int i = 0; i < 16; ++i ) + { + // check this pixel is valid + int bit = 1 << i; + if( ( mask & bit ) == 0 ) + continue; + + // incorporate into the min/max + int value = rgba[4*i + 3]; + if( value < min7 ) + min7 = value; + if( value > max7 ) + max7 = value; + if( value != 0 && value < min5 ) + min5 = value; + if( value != 255 && value > max5 ) + max5 = value; + } + + // handle the case that no valid range was found + if( min5 > max5 ) + min5 = max5; + if( min7 > max7 ) + min7 = max7; + + // fix the range to be the minimum in each case + FixRange( min5, max5, 5 ); + FixRange( min7, max7, 7 ); + + // set up the 5-alpha code book + u8 codes5[8]; + codes5[0] = ( u8 )min5; + codes5[1] = ( u8 )max5; + for( int i = 1; i < 5; ++i ) + codes5[1 + i] = ( u8 )( ( ( 5 - i )*min5 + i*max5 )/5 ); + codes5[6] = 0; + codes5[7] = 255; + + // set up the 7-alpha code book + u8 codes7[8]; + codes7[0] = ( u8 )min7; + codes7[1] = ( u8 )max7; + for( int i = 1; i < 7; ++i ) + codes7[1 + i] = ( u8 )( ( ( 7 - i )*min7 + i*max7 )/7 ); + + // fit the data to both code books + u8 indices5[16]; + u8 indices7[16]; + int err5 = FitCodes( rgba, mask, codes5, indices5 ); + int err7 = FitCodes( rgba, mask, codes7, indices7 ); + + // save the block with least error + if( err5 <= err7 ) + WriteAlphaBlock5( min5, max5, indices5, block ); + else + WriteAlphaBlock7( min7, max7, indices7, block ); } void DecompressAlphaDxt5( u8* rgba, void const* block ) { - // get the two alpha values - u8 const* bytes = reinterpret_cast< u8 const* >( block ); - int alpha0 = bytes[0]; - int alpha1 = bytes[1]; - - // compare the values to build the codebook - u8 codes[8]; - codes[0] = ( u8 )alpha0; - codes[1] = ( u8 )alpha1; - if( alpha0 <= alpha1 ) - { - // use 5-alpha codebook - for( int i = 1; i < 5; ++i ) - codes[1 + i] = ( u8 )( ( ( 5 - i )*alpha0 + i*alpha1 )/5 ); - codes[6] = 0; - codes[7] = 255; - } - else - { - // use 7-alpha codebook - for( int i = 1; i < 7; ++i ) - codes[1 + i] = ( u8 )( ( ( 7 - i )*alpha0 + i*alpha1 )/7 ); - } - - // decode the indices - u8 indices[16]; - u8 const* src = bytes + 2; - u8* dest = indices; - for( int i = 0; i < 2; ++i ) - { - // grab 3 bytes - int value = 0; - for( int j = 0; j < 3; ++j ) - { - int byte = *src++; - value |= ( byte << 8*j ); - } - - // unpack 8 3-bit values from it - for( int j = 0; j < 8; ++j ) - { - int index = ( value >> 3*j ) & 0x7; - *dest++ = ( u8 )index; - } - } - - // write out the indexed codebook values - for( int i = 0; i < 16; ++i ) - rgba[4*i + 3] = codes[indices[i]]; + // get the two alpha values + u8 const* bytes = reinterpret_cast< u8 const* >( block ); + int alpha0 = bytes[0]; + int alpha1 = bytes[1]; + + // compare the values to build the codebook + u8 codes[8]; + codes[0] = ( u8 )alpha0; + codes[1] = ( u8 )alpha1; + if( alpha0 <= alpha1 ) + { + // use 5-alpha codebook + for( int i = 1; i < 5; ++i ) + codes[1 + i] = ( u8 )( ( ( 5 - i )*alpha0 + i*alpha1 )/5 ); + codes[6] = 0; + codes[7] = 255; + } + else + { + // use 7-alpha codebook + for( int i = 1; i < 7; ++i ) + codes[1 + i] = ( u8 )( ( ( 7 - i )*alpha0 + i*alpha1 )/7 ); + } + + // decode the indices + u8 indices[16]; + u8 const* src = bytes + 2; + u8* dest = indices; + for( int i = 0; i < 2; ++i ) + { + // grab 3 bytes + int value = 0; + for( int j = 0; j < 3; ++j ) + { + int byte = *src++; + value |= ( byte << 8*j ); + } + + // unpack 8 3-bit values from it + for( int j = 0; j < 8; ++j ) + { + int index = ( value >> 3*j ) & 0x7; + *dest++ = ( u8 )index; + } + } + + // write out the indexed codebook values + for( int i = 0; i < 16; ++i ) + rgba[4*i + 3] = codes[indices[i]]; } } // namespace squish diff --git a/thirdparty/squish/alpha.h b/thirdparty/squish/alpha.h index 5736052551..a1fffd4049 100644 --- a/thirdparty/squish/alpha.h +++ b/thirdparty/squish/alpha.h @@ -1,32 +1,32 @@ /* ----------------------------------------------------------------------------- - Copyright (c) 2006 Simon Brown si@sjbrown.co.uk - - Permission is hereby granted, free of charge, to any person obtaining - a copy of this software and associated documentation files (the - "Software"), to deal in the Software without restriction, including - without limitation the rights to use, copy, modify, merge, publish, - distribute, sublicense, and/or sell copies of the Software, and to - permit persons to whom the Software is furnished to do so, subject to - the following conditions: - - The above copyright notice and this permission notice shall be included - in all copies or substantial portions of the Software. - - THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY - CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - + Copyright (c) 2006 Simon Brown si@sjbrown.co.uk + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + "Software"), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + -------------------------------------------------------------------------- */ - + #ifndef SQUISH_ALPHA_H #define SQUISH_ALPHA_H -#include <squish.h> +#include "squish.h" namespace squish { diff --git a/thirdparty/squish/clusterfit.cpp b/thirdparty/squish/clusterfit.cpp index afea84880c..1610ecb5d8 100644 --- a/thirdparty/squish/clusterfit.cpp +++ b/thirdparty/squish/clusterfit.cpp @@ -1,29 +1,29 @@ /* ----------------------------------------------------------------------------- - Copyright (c) 2006 Simon Brown si@sjbrown.co.uk - Copyright (c) 2007 Ignacio Castano icastano@nvidia.com - - Permission is hereby granted, free of charge, to any person obtaining - a copy of this software and associated documentation files (the - "Software"), to deal in the Software without restriction, including - without limitation the rights to use, copy, modify, merge, publish, - distribute, sublicense, and/or sell copies of the Software, and to - permit persons to whom the Software is furnished to do so, subject to - the following conditions: - - The above copyright notice and this permission notice shall be included - in all copies or substantial portions of the Software. - - THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY - CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - + Copyright (c) 2006 Simon Brown si@sjbrown.co.uk + Copyright (c) 2007 Ignacio Castano icastano@nvidia.com + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + "Software"), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + -------------------------------------------------------------------------- */ - + #include "clusterfit.h" #include "colourset.h" #include "colourblock.h" @@ -31,363 +31,362 @@ namespace squish { -ClusterFit::ClusterFit( ColourSet const* colours, int flags ) +ClusterFit::ClusterFit( ColourSet const* colours, int flags, float* metric ) : ColourFit( colours, flags ) { - // set the iteration count - m_iterationCount = ( m_flags & kColourIterativeClusterFit ) ? kMaxIterations : 1; - - // initialise the best error - m_besterror = VEC4_CONST( FLT_MAX ); - - // initialise the metric - bool perceptual = ( ( m_flags & kColourMetricPerceptual ) != 0 ); - if( perceptual ) - m_metric = Vec4( 0.2126f, 0.7152f, 0.0722f, 0.0f ); - else - m_metric = VEC4_CONST( 1.0f ); - - // cache some values - int const count = m_colours->GetCount(); - Vec3 const* values = m_colours->GetPoints(); - - // get the covariance matrix - Sym3x3 covariance = ComputeWeightedCovariance( count, values, m_colours->GetWeights() ); - - // compute the principle component - m_principle = ComputePrincipleComponent( covariance ); + // set the iteration count + m_iterationCount = ( m_flags & kColourIterativeClusterFit ) ? kMaxIterations : 1; + + // initialise the metric (old perceptual = 0.2126f, 0.7152f, 0.0722f) + if( metric ) + m_metric = Vec4( metric[0], metric[1], metric[2], 1.0f ); + else + m_metric = VEC4_CONST( 1.0f ); + + // initialise the best error + m_besterror = VEC4_CONST( FLT_MAX ); + + // cache some values + int const count = m_colours->GetCount(); + Vec3 const* values = m_colours->GetPoints(); + + // get the covariance matrix + Sym3x3 covariance = ComputeWeightedCovariance( count, values, m_colours->GetWeights() ); + + // compute the principle component + m_principle = ComputePrincipleComponent( covariance ); } bool ClusterFit::ConstructOrdering( Vec3 const& axis, int iteration ) { - // cache some values - int const count = m_colours->GetCount(); - Vec3 const* values = m_colours->GetPoints(); - - // build the list of dot products - float dps[16]; - u8* order = ( u8* )m_order + 16*iteration; - for( int i = 0; i < count; ++i ) - { - dps[i] = Dot( values[i], axis ); - order[i] = ( u8 )i; - } - - // stable sort using them - for( int i = 0; i < count; ++i ) - { - for( int j = i; j > 0 && dps[j] < dps[j - 1]; --j ) - { - std::swap( dps[j], dps[j - 1] ); - std::swap( order[j], order[j - 1] ); - } - } - - // check this ordering is unique - for( int it = 0; it < iteration; ++it ) - { - u8 const* prev = ( u8* )m_order + 16*it; - bool same = true; - for( int i = 0; i < count; ++i ) - { - if( order[i] != prev[i] ) - { - same = false; - break; - } - } - if( same ) - return false; - } - - // copy the ordering and weight all the points - Vec3 const* unweighted = m_colours->GetPoints(); - float const* weights = m_colours->GetWeights(); - m_xsum_wsum = VEC4_CONST( 0.0f ); - for( int i = 0; i < count; ++i ) - { - int j = order[i]; - Vec4 p( unweighted[j].X(), unweighted[j].Y(), unweighted[j].Z(), 1.0f ); - Vec4 w( weights[j] ); - Vec4 x = p*w; - m_points_weights[i] = x; - m_xsum_wsum += x; - } - return true; + // cache some values + int const count = m_colours->GetCount(); + Vec3 const* values = m_colours->GetPoints(); + + // build the list of dot products + float dps[16]; + u8* order = ( u8* )m_order + 16*iteration; + for( int i = 0; i < count; ++i ) + { + dps[i] = Dot( values[i], axis ); + order[i] = ( u8 )i; + } + + // stable sort using them + for( int i = 0; i < count; ++i ) + { + for( int j = i; j > 0 && dps[j] < dps[j - 1]; --j ) + { + std::swap( dps[j], dps[j - 1] ); + std::swap( order[j], order[j - 1] ); + } + } + + // check this ordering is unique + for( int it = 0; it < iteration; ++it ) + { + u8 const* prev = ( u8* )m_order + 16*it; + bool same = true; + for( int i = 0; i < count; ++i ) + { + if( order[i] != prev[i] ) + { + same = false; + break; + } + } + if( same ) + return false; + } + + // copy the ordering and weight all the points + Vec3 const* unweighted = m_colours->GetPoints(); + float const* weights = m_colours->GetWeights(); + m_xsum_wsum = VEC4_CONST( 0.0f ); + for( int i = 0; i < count; ++i ) + { + int j = order[i]; + Vec4 p( unweighted[j].X(), unweighted[j].Y(), unweighted[j].Z(), 1.0f ); + Vec4 w( weights[j] ); + Vec4 x = p*w; + m_points_weights[i] = x; + m_xsum_wsum += x; + } + return true; } void ClusterFit::Compress3( void* block ) { - // declare variables - int const count = m_colours->GetCount(); - Vec4 const two = VEC4_CONST( 2.0 ); - Vec4 const one = VEC4_CONST( 1.0f ); - Vec4 const half_half2( 0.5f, 0.5f, 0.5f, 0.25f ); - Vec4 const zero = VEC4_CONST( 0.0f ); - Vec4 const half = VEC4_CONST( 0.5f ); - Vec4 const grid( 31.0f, 63.0f, 31.0f, 0.0f ); - Vec4 const gridrcp( 1.0f/31.0f, 1.0f/63.0f, 1.0f/31.0f, 0.0f ); - - // prepare an ordering using the principle axis - ConstructOrdering( m_principle, 0 ); - - // check all possible clusters and iterate on the total order - Vec4 beststart = VEC4_CONST( 0.0f ); - Vec4 bestend = VEC4_CONST( 0.0f ); - Vec4 besterror = m_besterror; - u8 bestindices[16]; - int bestiteration = 0; - int besti = 0, bestj = 0; - - // loop over iterations (we avoid the case that all points in first or last cluster) - for( int iterationIndex = 0;; ) - { - // first cluster [0,i) is at the start - Vec4 part0 = VEC4_CONST( 0.0f ); - for( int i = 0; i < count; ++i ) - { - // second cluster [i,j) is half along - Vec4 part1 = ( i == 0 ) ? m_points_weights[0] : VEC4_CONST( 0.0f ); - int jmin = ( i == 0 ) ? 1 : i; - for( int j = jmin;; ) - { - // last cluster [j,count) is at the end - Vec4 part2 = m_xsum_wsum - part1 - part0; - - // compute least squares terms directly - Vec4 alphax_sum = MultiplyAdd( part1, half_half2, part0 ); - Vec4 alpha2_sum = alphax_sum.SplatW(); - - Vec4 betax_sum = MultiplyAdd( part1, half_half2, part2 ); - Vec4 beta2_sum = betax_sum.SplatW(); - - Vec4 alphabeta_sum = ( part1*half_half2 ).SplatW(); - - // compute the least-squares optimal points - Vec4 factor = Reciprocal( NegativeMultiplySubtract( alphabeta_sum, alphabeta_sum, alpha2_sum*beta2_sum ) ); - Vec4 a = NegativeMultiplySubtract( betax_sum, alphabeta_sum, alphax_sum*beta2_sum )*factor; - Vec4 b = NegativeMultiplySubtract( alphax_sum, alphabeta_sum, betax_sum*alpha2_sum )*factor; - - // clamp to the grid - a = Min( one, Max( zero, a ) ); - b = Min( one, Max( zero, b ) ); - a = Truncate( MultiplyAdd( grid, a, half ) )*gridrcp; - b = Truncate( MultiplyAdd( grid, b, half ) )*gridrcp; - - // compute the error (we skip the constant xxsum) - Vec4 e1 = MultiplyAdd( a*a, alpha2_sum, b*b*beta2_sum ); - Vec4 e2 = NegativeMultiplySubtract( a, alphax_sum, a*b*alphabeta_sum ); - Vec4 e3 = NegativeMultiplySubtract( b, betax_sum, e2 ); - Vec4 e4 = MultiplyAdd( two, e3, e1 ); - - // apply the metric to the error term - Vec4 e5 = e4*m_metric; - Vec4 error = e5.SplatX() + e5.SplatY() + e5.SplatZ(); - - // keep the solution if it wins - if( CompareAnyLessThan( error, besterror ) ) - { - beststart = a; - bestend = b; - besti = i; - bestj = j; - besterror = error; - bestiteration = iterationIndex; - } - - // advance - if( j == count ) - break; - part1 += m_points_weights[j]; - ++j; - } - - // advance - part0 += m_points_weights[i]; - } - - // stop if we didn't improve in this iteration - if( bestiteration != iterationIndex ) - break; - - // advance if possible - ++iterationIndex; - if( iterationIndex == m_iterationCount ) - break; - - // stop if a new iteration is an ordering that has already been tried - Vec3 axis = ( bestend - beststart ).GetVec3(); - if( !ConstructOrdering( axis, iterationIndex ) ) - break; - } - - // save the block if necessary - if( CompareAnyLessThan( besterror, m_besterror ) ) - { - // remap the indices - u8 const* order = ( u8* )m_order + 16*bestiteration; - - u8 unordered[16]; - for( int m = 0; m < besti; ++m ) - unordered[order[m]] = 0; - for( int m = besti; m < bestj; ++m ) - unordered[order[m]] = 2; - for( int m = bestj; m < count; ++m ) - unordered[order[m]] = 1; - - m_colours->RemapIndices( unordered, bestindices ); - - // save the block - WriteColourBlock3( beststart.GetVec3(), bestend.GetVec3(), bestindices, block ); - - // save the error - m_besterror = besterror; - } + // declare variables + int const count = m_colours->GetCount(); + Vec4 const two = VEC4_CONST( 2.0 ); + Vec4 const one = VEC4_CONST( 1.0f ); + Vec4 const half_half2( 0.5f, 0.5f, 0.5f, 0.25f ); + Vec4 const zero = VEC4_CONST( 0.0f ); + Vec4 const half = VEC4_CONST( 0.5f ); + Vec4 const grid( 31.0f, 63.0f, 31.0f, 0.0f ); + Vec4 const gridrcp( 1.0f/31.0f, 1.0f/63.0f, 1.0f/31.0f, 0.0f ); + + // prepare an ordering using the principle axis + ConstructOrdering( m_principle, 0 ); + + // check all possible clusters and iterate on the total order + Vec4 beststart = VEC4_CONST( 0.0f ); + Vec4 bestend = VEC4_CONST( 0.0f ); + Vec4 besterror = m_besterror; + u8 bestindices[16]; + int bestiteration = 0; + int besti = 0, bestj = 0; + + // loop over iterations (we avoid the case that all points in first or last cluster) + for( int iterationIndex = 0;; ) + { + // first cluster [0,i) is at the start + Vec4 part0 = VEC4_CONST( 0.0f ); + for( int i = 0; i < count; ++i ) + { + // second cluster [i,j) is half along + Vec4 part1 = ( i == 0 ) ? m_points_weights[0] : VEC4_CONST( 0.0f ); + int jmin = ( i == 0 ) ? 1 : i; + for( int j = jmin;; ) + { + // last cluster [j,count) is at the end + Vec4 part2 = m_xsum_wsum - part1 - part0; + + // compute least squares terms directly + Vec4 alphax_sum = MultiplyAdd( part1, half_half2, part0 ); + Vec4 alpha2_sum = alphax_sum.SplatW(); + + Vec4 betax_sum = MultiplyAdd( part1, half_half2, part2 ); + Vec4 beta2_sum = betax_sum.SplatW(); + + Vec4 alphabeta_sum = ( part1*half_half2 ).SplatW(); + + // compute the least-squares optimal points + Vec4 factor = Reciprocal( NegativeMultiplySubtract( alphabeta_sum, alphabeta_sum, alpha2_sum*beta2_sum ) ); + Vec4 a = NegativeMultiplySubtract( betax_sum, alphabeta_sum, alphax_sum*beta2_sum )*factor; + Vec4 b = NegativeMultiplySubtract( alphax_sum, alphabeta_sum, betax_sum*alpha2_sum )*factor; + + // clamp to the grid + a = Min( one, Max( zero, a ) ); + b = Min( one, Max( zero, b ) ); + a = Truncate( MultiplyAdd( grid, a, half ) )*gridrcp; + b = Truncate( MultiplyAdd( grid, b, half ) )*gridrcp; + + // compute the error (we skip the constant xxsum) + Vec4 e1 = MultiplyAdd( a*a, alpha2_sum, b*b*beta2_sum ); + Vec4 e2 = NegativeMultiplySubtract( a, alphax_sum, a*b*alphabeta_sum ); + Vec4 e3 = NegativeMultiplySubtract( b, betax_sum, e2 ); + Vec4 e4 = MultiplyAdd( two, e3, e1 ); + + // apply the metric to the error term + Vec4 e5 = e4*m_metric; + Vec4 error = e5.SplatX() + e5.SplatY() + e5.SplatZ(); + + // keep the solution if it wins + if( CompareAnyLessThan( error, besterror ) ) + { + beststart = a; + bestend = b; + besti = i; + bestj = j; + besterror = error; + bestiteration = iterationIndex; + } + + // advance + if( j == count ) + break; + part1 += m_points_weights[j]; + ++j; + } + + // advance + part0 += m_points_weights[i]; + } + + // stop if we didn't improve in this iteration + if( bestiteration != iterationIndex ) + break; + + // advance if possible + ++iterationIndex; + if( iterationIndex == m_iterationCount ) + break; + + // stop if a new iteration is an ordering that has already been tried + Vec3 axis = ( bestend - beststart ).GetVec3(); + if( !ConstructOrdering( axis, iterationIndex ) ) + break; + } + + // save the block if necessary + if( CompareAnyLessThan( besterror, m_besterror ) ) + { + // remap the indices + u8 const* order = ( u8* )m_order + 16*bestiteration; + + u8 unordered[16]; + for( int m = 0; m < besti; ++m ) + unordered[order[m]] = 0; + for( int m = besti; m < bestj; ++m ) + unordered[order[m]] = 2; + for( int m = bestj; m < count; ++m ) + unordered[order[m]] = 1; + + m_colours->RemapIndices( unordered, bestindices ); + + // save the block + WriteColourBlock3( beststart.GetVec3(), bestend.GetVec3(), bestindices, block ); + + // save the error + m_besterror = besterror; + } } void ClusterFit::Compress4( void* block ) { - // declare variables - int const count = m_colours->GetCount(); - Vec4 const two = VEC4_CONST( 2.0f ); - Vec4 const one = VEC4_CONST( 1.0f ); - Vec4 const onethird_onethird2( 1.0f/3.0f, 1.0f/3.0f, 1.0f/3.0f, 1.0f/9.0f ); - Vec4 const twothirds_twothirds2( 2.0f/3.0f, 2.0f/3.0f, 2.0f/3.0f, 4.0f/9.0f ); - Vec4 const twonineths = VEC4_CONST( 2.0f/9.0f ); - Vec4 const zero = VEC4_CONST( 0.0f ); - Vec4 const half = VEC4_CONST( 0.5f ); - Vec4 const grid( 31.0f, 63.0f, 31.0f, 0.0f ); - Vec4 const gridrcp( 1.0f/31.0f, 1.0f/63.0f, 1.0f/31.0f, 0.0f ); - - // prepare an ordering using the principle axis - ConstructOrdering( m_principle, 0 ); - - // check all possible clusters and iterate on the total order - Vec4 beststart = VEC4_CONST( 0.0f ); - Vec4 bestend = VEC4_CONST( 0.0f ); - Vec4 besterror = m_besterror; - u8 bestindices[16]; - int bestiteration = 0; - int besti = 0, bestj = 0, bestk = 0; - - // loop over iterations (we avoid the case that all points in first or last cluster) - for( int iterationIndex = 0;; ) - { - // first cluster [0,i) is at the start - Vec4 part0 = VEC4_CONST( 0.0f ); - for( int i = 0; i < count; ++i ) - { - // second cluster [i,j) is one third along - Vec4 part1 = VEC4_CONST( 0.0f ); - for( int j = i;; ) - { - // third cluster [j,k) is two thirds along - Vec4 part2 = ( j == 0 ) ? m_points_weights[0] : VEC4_CONST( 0.0f ); - int kmin = ( j == 0 ) ? 1 : j; - for( int k = kmin;; ) - { - // last cluster [k,count) is at the end - Vec4 part3 = m_xsum_wsum - part2 - part1 - part0; - - // compute least squares terms directly - Vec4 const alphax_sum = MultiplyAdd( part2, onethird_onethird2, MultiplyAdd( part1, twothirds_twothirds2, part0 ) ); - Vec4 const alpha2_sum = alphax_sum.SplatW(); - - Vec4 const betax_sum = MultiplyAdd( part1, onethird_onethird2, MultiplyAdd( part2, twothirds_twothirds2, part3 ) ); - Vec4 const beta2_sum = betax_sum.SplatW(); - - Vec4 const alphabeta_sum = twonineths*( part1 + part2 ).SplatW(); - - // compute the least-squares optimal points - Vec4 factor = Reciprocal( NegativeMultiplySubtract( alphabeta_sum, alphabeta_sum, alpha2_sum*beta2_sum ) ); - Vec4 a = NegativeMultiplySubtract( betax_sum, alphabeta_sum, alphax_sum*beta2_sum )*factor; - Vec4 b = NegativeMultiplySubtract( alphax_sum, alphabeta_sum, betax_sum*alpha2_sum )*factor; - - // clamp to the grid - a = Min( one, Max( zero, a ) ); - b = Min( one, Max( zero, b ) ); - a = Truncate( MultiplyAdd( grid, a, half ) )*gridrcp; - b = Truncate( MultiplyAdd( grid, b, half ) )*gridrcp; - - // compute the error (we skip the constant xxsum) - Vec4 e1 = MultiplyAdd( a*a, alpha2_sum, b*b*beta2_sum ); - Vec4 e2 = NegativeMultiplySubtract( a, alphax_sum, a*b*alphabeta_sum ); - Vec4 e3 = NegativeMultiplySubtract( b, betax_sum, e2 ); - Vec4 e4 = MultiplyAdd( two, e3, e1 ); - - // apply the metric to the error term - Vec4 e5 = e4*m_metric; - Vec4 error = e5.SplatX() + e5.SplatY() + e5.SplatZ(); - - // keep the solution if it wins - if( CompareAnyLessThan( error, besterror ) ) - { - beststart = a; - bestend = b; - besterror = error; - besti = i; - bestj = j; - bestk = k; - bestiteration = iterationIndex; - } - - // advance - if( k == count ) - break; - part2 += m_points_weights[k]; - ++k; - } - - // advance - if( j == count ) - break; - part1 += m_points_weights[j]; - ++j; - } - - // advance - part0 += m_points_weights[i]; - } - - // stop if we didn't improve in this iteration - if( bestiteration != iterationIndex ) - break; - - // advance if possible - ++iterationIndex; - if( iterationIndex == m_iterationCount ) - break; - - // stop if a new iteration is an ordering that has already been tried - Vec3 axis = ( bestend - beststart ).GetVec3(); - if( !ConstructOrdering( axis, iterationIndex ) ) - break; - } - - // save the block if necessary - if( CompareAnyLessThan( besterror, m_besterror ) ) - { - // remap the indices - u8 const* order = ( u8* )m_order + 16*bestiteration; - - u8 unordered[16]; - for( int m = 0; m < besti; ++m ) - unordered[order[m]] = 0; - for( int m = besti; m < bestj; ++m ) - unordered[order[m]] = 2; - for( int m = bestj; m < bestk; ++m ) - unordered[order[m]] = 3; - for( int m = bestk; m < count; ++m ) - unordered[order[m]] = 1; - - m_colours->RemapIndices( unordered, bestindices ); - - // save the block - WriteColourBlock4( beststart.GetVec3(), bestend.GetVec3(), bestindices, block ); - - // save the error - m_besterror = besterror; - } + // declare variables + int const count = m_colours->GetCount(); + Vec4 const two = VEC4_CONST( 2.0f ); + Vec4 const one = VEC4_CONST( 1.0f ); + Vec4 const onethird_onethird2( 1.0f/3.0f, 1.0f/3.0f, 1.0f/3.0f, 1.0f/9.0f ); + Vec4 const twothirds_twothirds2( 2.0f/3.0f, 2.0f/3.0f, 2.0f/3.0f, 4.0f/9.0f ); + Vec4 const twonineths = VEC4_CONST( 2.0f/9.0f ); + Vec4 const zero = VEC4_CONST( 0.0f ); + Vec4 const half = VEC4_CONST( 0.5f ); + Vec4 const grid( 31.0f, 63.0f, 31.0f, 0.0f ); + Vec4 const gridrcp( 1.0f/31.0f, 1.0f/63.0f, 1.0f/31.0f, 0.0f ); + + // prepare an ordering using the principle axis + ConstructOrdering( m_principle, 0 ); + + // check all possible clusters and iterate on the total order + Vec4 beststart = VEC4_CONST( 0.0f ); + Vec4 bestend = VEC4_CONST( 0.0f ); + Vec4 besterror = m_besterror; + u8 bestindices[16]; + int bestiteration = 0; + int besti = 0, bestj = 0, bestk = 0; + + // loop over iterations (we avoid the case that all points in first or last cluster) + for( int iterationIndex = 0;; ) + { + // first cluster [0,i) is at the start + Vec4 part0 = VEC4_CONST( 0.0f ); + for( int i = 0; i < count; ++i ) + { + // second cluster [i,j) is one third along + Vec4 part1 = VEC4_CONST( 0.0f ); + for( int j = i;; ) + { + // third cluster [j,k) is two thirds along + Vec4 part2 = ( j == 0 ) ? m_points_weights[0] : VEC4_CONST( 0.0f ); + int kmin = ( j == 0 ) ? 1 : j; + for( int k = kmin;; ) + { + // last cluster [k,count) is at the end + Vec4 part3 = m_xsum_wsum - part2 - part1 - part0; + + // compute least squares terms directly + Vec4 const alphax_sum = MultiplyAdd( part2, onethird_onethird2, MultiplyAdd( part1, twothirds_twothirds2, part0 ) ); + Vec4 const alpha2_sum = alphax_sum.SplatW(); + + Vec4 const betax_sum = MultiplyAdd( part1, onethird_onethird2, MultiplyAdd( part2, twothirds_twothirds2, part3 ) ); + Vec4 const beta2_sum = betax_sum.SplatW(); + + Vec4 const alphabeta_sum = twonineths*( part1 + part2 ).SplatW(); + + // compute the least-squares optimal points + Vec4 factor = Reciprocal( NegativeMultiplySubtract( alphabeta_sum, alphabeta_sum, alpha2_sum*beta2_sum ) ); + Vec4 a = NegativeMultiplySubtract( betax_sum, alphabeta_sum, alphax_sum*beta2_sum )*factor; + Vec4 b = NegativeMultiplySubtract( alphax_sum, alphabeta_sum, betax_sum*alpha2_sum )*factor; + + // clamp to the grid + a = Min( one, Max( zero, a ) ); + b = Min( one, Max( zero, b ) ); + a = Truncate( MultiplyAdd( grid, a, half ) )*gridrcp; + b = Truncate( MultiplyAdd( grid, b, half ) )*gridrcp; + + // compute the error (we skip the constant xxsum) + Vec4 e1 = MultiplyAdd( a*a, alpha2_sum, b*b*beta2_sum ); + Vec4 e2 = NegativeMultiplySubtract( a, alphax_sum, a*b*alphabeta_sum ); + Vec4 e3 = NegativeMultiplySubtract( b, betax_sum, e2 ); + Vec4 e4 = MultiplyAdd( two, e3, e1 ); + + // apply the metric to the error term + Vec4 e5 = e4*m_metric; + Vec4 error = e5.SplatX() + e5.SplatY() + e5.SplatZ(); + + // keep the solution if it wins + if( CompareAnyLessThan( error, besterror ) ) + { + beststart = a; + bestend = b; + besterror = error; + besti = i; + bestj = j; + bestk = k; + bestiteration = iterationIndex; + } + + // advance + if( k == count ) + break; + part2 += m_points_weights[k]; + ++k; + } + + // advance + if( j == count ) + break; + part1 += m_points_weights[j]; + ++j; + } + + // advance + part0 += m_points_weights[i]; + } + + // stop if we didn't improve in this iteration + if( bestiteration != iterationIndex ) + break; + + // advance if possible + ++iterationIndex; + if( iterationIndex == m_iterationCount ) + break; + + // stop if a new iteration is an ordering that has already been tried + Vec3 axis = ( bestend - beststart ).GetVec3(); + if( !ConstructOrdering( axis, iterationIndex ) ) + break; + } + + // save the block if necessary + if( CompareAnyLessThan( besterror, m_besterror ) ) + { + // remap the indices + u8 const* order = ( u8* )m_order + 16*bestiteration; + + u8 unordered[16]; + for( int m = 0; m < besti; ++m ) + unordered[order[m]] = 0; + for( int m = besti; m < bestj; ++m ) + unordered[order[m]] = 2; + for( int m = bestj; m < bestk; ++m ) + unordered[order[m]] = 3; + for( int m = bestk; m < count; ++m ) + unordered[order[m]] = 1; + + m_colours->RemapIndices( unordered, bestindices ); + + // save the block + WriteColourBlock4( beststart.GetVec3(), bestend.GetVec3(), bestindices, block ); + + // save the error + m_besterror = besterror; + } } } // namespace squish diff --git a/thirdparty/squish/clusterfit.h b/thirdparty/squish/clusterfit.h index 17db5d387c..999396b262 100644 --- a/thirdparty/squish/clusterfit.h +++ b/thirdparty/squish/clusterfit.h @@ -1,33 +1,33 @@ /* ----------------------------------------------------------------------------- - Copyright (c) 2006 Simon Brown si@sjbrown.co.uk - Copyright (c) 2007 Ignacio Castano icastano@nvidia.com - - Permission is hereby granted, free of charge, to any person obtaining - a copy of this software and associated documentation files (the - "Software"), to deal in the Software without restriction, including - without limitation the rights to use, copy, modify, merge, publish, - distribute, sublicense, and/or sell copies of the Software, and to - permit persons to whom the Software is furnished to do so, subject to - the following conditions: - - The above copyright notice and this permission notice shall be included - in all copies or substantial portions of the Software. - - THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY - CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - + Copyright (c) 2006 Simon Brown si@sjbrown.co.uk + Copyright (c) 2007 Ignacio Castano icastano@nvidia.com + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + "Software"), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + -------------------------------------------------------------------------- */ - + #ifndef SQUISH_CLUSTERFIT_H #define SQUISH_CLUSTERFIT_H -#include <squish.h> +#include "squish.h" #include "maths.h" #include "simd.h" #include "colourfit.h" @@ -37,23 +37,23 @@ namespace squish { class ClusterFit : public ColourFit { public: - ClusterFit( ColourSet const* colours, int flags ); - + ClusterFit( ColourSet const* colours, int flags, float* metric ); + private: - bool ConstructOrdering( Vec3 const& axis, int iteration ); + bool ConstructOrdering( Vec3 const& axis, int iteration ); - virtual void Compress3( void* block ); - virtual void Compress4( void* block ); + virtual void Compress3( void* block ); + virtual void Compress4( void* block ); - enum { kMaxIterations = 8 }; + enum { kMaxIterations = 8 }; - int m_iterationCount; - Vec3 m_principle; - u8 m_order[16*kMaxIterations]; - Vec4 m_points_weights[16]; - Vec4 m_xsum_wsum; - Vec4 m_metric; - Vec4 m_besterror; + int m_iterationCount; + Vec3 m_principle; + u8 m_order[16*kMaxIterations]; + Vec4 m_points_weights[16]; + Vec4 m_xsum_wsum; + Vec4 m_metric; + Vec4 m_besterror; }; } // namespace squish diff --git a/thirdparty/squish/colourblock.cpp b/thirdparty/squish/colourblock.cpp index e6a5788b74..af8b980365 100644 --- a/thirdparty/squish/colourblock.cpp +++ b/thirdparty/squish/colourblock.cpp @@ -1,214 +1,214 @@ /* ----------------------------------------------------------------------------- - Copyright (c) 2006 Simon Brown si@sjbrown.co.uk - - Permission is hereby granted, free of charge, to any person obtaining - a copy of this software and associated documentation files (the - "Software"), to deal in the Software without restriction, including - without limitation the rights to use, copy, modify, merge, publish, - distribute, sublicense, and/or sell copies of the Software, and to - permit persons to whom the Software is furnished to do so, subject to - the following conditions: - - The above copyright notice and this permission notice shall be included - in all copies or substantial portions of the Software. - - THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY - CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - + Copyright (c) 2006 Simon Brown si@sjbrown.co.uk + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + "Software"), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + -------------------------------------------------------------------------- */ - + #include "colourblock.h" namespace squish { static int FloatToInt( float a, int limit ) { - // use ANSI round-to-zero behaviour to get round-to-nearest - int i = ( int )( a + 0.5f ); + // use ANSI round-to-zero behaviour to get round-to-nearest + int i = ( int )( a + 0.5f ); - // clamp to the limit - if( i < 0 ) - i = 0; - else if( i > limit ) - i = limit; + // clamp to the limit + if( i < 0 ) + i = 0; + else if( i > limit ) + i = limit; - // done - return i; + // done + return i; } static int FloatTo565( Vec3::Arg colour ) { - // get the components in the correct range - int r = FloatToInt( 31.0f*colour.X(), 31 ); - int g = FloatToInt( 63.0f*colour.Y(), 63 ); - int b = FloatToInt( 31.0f*colour.Z(), 31 ); - - // pack into a single value - return ( r << 11 ) | ( g << 5 ) | b; + // get the components in the correct range + int r = FloatToInt( 31.0f*colour.X(), 31 ); + int g = FloatToInt( 63.0f*colour.Y(), 63 ); + int b = FloatToInt( 31.0f*colour.Z(), 31 ); + + // pack into a single value + return ( r << 11 ) | ( g << 5 ) | b; } static void WriteColourBlock( int a, int b, u8* indices, void* block ) { - // get the block as bytes - u8* bytes = ( u8* )block; - - // write the endpoints - bytes[0] = ( u8 )( a & 0xff ); - bytes[1] = ( u8 )( a >> 8 ); - bytes[2] = ( u8 )( b & 0xff ); - bytes[3] = ( u8 )( b >> 8 ); - - // write the indices - for( int i = 0; i < 4; ++i ) - { - u8 const* ind = indices + 4*i; - bytes[4 + i] = ind[0] | ( ind[1] << 2 ) | ( ind[2] << 4 ) | ( ind[3] << 6 ); - } + // get the block as bytes + u8* bytes = ( u8* )block; + + // write the endpoints + bytes[0] = ( u8 )( a & 0xff ); + bytes[1] = ( u8 )( a >> 8 ); + bytes[2] = ( u8 )( b & 0xff ); + bytes[3] = ( u8 )( b >> 8 ); + + // write the indices + for( int i = 0; i < 4; ++i ) + { + u8 const* ind = indices + 4*i; + bytes[4 + i] = ind[0] | ( ind[1] << 2 ) | ( ind[2] << 4 ) | ( ind[3] << 6 ); + } } void WriteColourBlock3( Vec3::Arg start, Vec3::Arg end, u8 const* indices, void* block ) { - // get the packed values - int a = FloatTo565( start ); - int b = FloatTo565( end ); - - // remap the indices - u8 remapped[16]; - if( a <= b ) - { - // use the indices directly - for( int i = 0; i < 16; ++i ) - remapped[i] = indices[i]; - } - else - { - // swap a and b - std::swap( a, b ); - for( int i = 0; i < 16; ++i ) - { - if( indices[i] == 0 ) - remapped[i] = 1; - else if( indices[i] == 1 ) - remapped[i] = 0; - else - remapped[i] = indices[i]; - } - } - - // write the block - WriteColourBlock( a, b, remapped, block ); + // get the packed values + int a = FloatTo565( start ); + int b = FloatTo565( end ); + + // remap the indices + u8 remapped[16]; + if( a <= b ) + { + // use the indices directly + for( int i = 0; i < 16; ++i ) + remapped[i] = indices[i]; + } + else + { + // swap a and b + std::swap( a, b ); + for( int i = 0; i < 16; ++i ) + { + if( indices[i] == 0 ) + remapped[i] = 1; + else if( indices[i] == 1 ) + remapped[i] = 0; + else + remapped[i] = indices[i]; + } + } + + // write the block + WriteColourBlock( a, b, remapped, block ); } void WriteColourBlock4( Vec3::Arg start, Vec3::Arg end, u8 const* indices, void* block ) { - // get the packed values - int a = FloatTo565( start ); - int b = FloatTo565( end ); - - // remap the indices - u8 remapped[16]; - if( a < b ) - { - // swap a and b - std::swap( a, b ); - for( int i = 0; i < 16; ++i ) - remapped[i] = ( indices[i] ^ 0x1 ) & 0x3; - } - else if( a == b ) - { - // use index 0 - for( int i = 0; i < 16; ++i ) - remapped[i] = 0; - } - else - { - // use the indices directly - for( int i = 0; i < 16; ++i ) - remapped[i] = indices[i]; - } - - // write the block - WriteColourBlock( a, b, remapped, block ); + // get the packed values + int a = FloatTo565( start ); + int b = FloatTo565( end ); + + // remap the indices + u8 remapped[16]; + if( a < b ) + { + // swap a and b + std::swap( a, b ); + for( int i = 0; i < 16; ++i ) + remapped[i] = ( indices[i] ^ 0x1 ) & 0x3; + } + else if( a == b ) + { + // use index 0 + for( int i = 0; i < 16; ++i ) + remapped[i] = 0; + } + else + { + // use the indices directly + for( int i = 0; i < 16; ++i ) + remapped[i] = indices[i]; + } + + // write the block + WriteColourBlock( a, b, remapped, block ); } static int Unpack565( u8 const* packed, u8* colour ) { - // build the packed value - int value = ( int )packed[0] | ( ( int )packed[1] << 8 ); - - // get the components in the stored range - u8 red = ( u8 )( ( value >> 11 ) & 0x1f ); - u8 green = ( u8 )( ( value >> 5 ) & 0x3f ); - u8 blue = ( u8 )( value & 0x1f ); - - // scale up to 8 bits - colour[0] = ( red << 3 ) | ( red >> 2 ); - colour[1] = ( green << 2 ) | ( green >> 4 ); - colour[2] = ( blue << 3 ) | ( blue >> 2 ); - colour[3] = 255; - - // return the value - return value; + // build the packed value + int value = ( int )packed[0] | ( ( int )packed[1] << 8 ); + + // get the components in the stored range + u8 red = ( u8 )( ( value >> 11 ) & 0x1f ); + u8 green = ( u8 )( ( value >> 5 ) & 0x3f ); + u8 blue = ( u8 )( value & 0x1f ); + + // scale up to 8 bits + colour[0] = ( red << 3 ) | ( red >> 2 ); + colour[1] = ( green << 2 ) | ( green >> 4 ); + colour[2] = ( blue << 3 ) | ( blue >> 2 ); + colour[3] = 255; + + // return the value + return value; } void DecompressColour( u8* rgba, void const* block, bool isDxt1 ) { - // get the block bytes - u8 const* bytes = reinterpret_cast< u8 const* >( block ); - - // unpack the endpoints - u8 codes[16]; - int a = Unpack565( bytes, codes ); - int b = Unpack565( bytes + 2, codes + 4 ); - - // generate the midpoints - for( int i = 0; i < 3; ++i ) - { - int c = codes[i]; - int d = codes[4 + i]; - - if( isDxt1 && a <= b ) - { - codes[8 + i] = ( u8 )( ( c + d )/2 ); - codes[12 + i] = 0; - } - else - { - codes[8 + i] = ( u8 )( ( 2*c + d )/3 ); - codes[12 + i] = ( u8 )( ( c + 2*d )/3 ); - } - } - - // fill in alpha for the intermediate values - codes[8 + 3] = 255; - codes[12 + 3] = ( isDxt1 && a <= b ) ? 0 : 255; - - // unpack the indices - u8 indices[16]; - for( int i = 0; i < 4; ++i ) - { - u8* ind = indices + 4*i; - u8 packed = bytes[4 + i]; - - ind[0] = packed & 0x3; - ind[1] = ( packed >> 2 ) & 0x3; - ind[2] = ( packed >> 4 ) & 0x3; - ind[3] = ( packed >> 6 ) & 0x3; - } - - // store out the colours - for( int i = 0; i < 16; ++i ) - { - u8 offset = 4*indices[i]; - for( int j = 0; j < 4; ++j ) - rgba[4*i + j] = codes[offset + j]; - } + // get the block bytes + u8 const* bytes = reinterpret_cast< u8 const* >( block ); + + // unpack the endpoints + u8 codes[16]; + int a = Unpack565( bytes, codes ); + int b = Unpack565( bytes + 2, codes + 4 ); + + // generate the midpoints + for( int i = 0; i < 3; ++i ) + { + int c = codes[i]; + int d = codes[4 + i]; + + if( isDxt1 && a <= b ) + { + codes[8 + i] = ( u8 )( ( c + d )/2 ); + codes[12 + i] = 0; + } + else + { + codes[8 + i] = ( u8 )( ( 2*c + d )/3 ); + codes[12 + i] = ( u8 )( ( c + 2*d )/3 ); + } + } + + // fill in alpha for the intermediate values + codes[8 + 3] = 255; + codes[12 + 3] = ( isDxt1 && a <= b ) ? 0 : 255; + + // unpack the indices + u8 indices[16]; + for( int i = 0; i < 4; ++i ) + { + u8* ind = indices + 4*i; + u8 packed = bytes[4 + i]; + + ind[0] = packed & 0x3; + ind[1] = ( packed >> 2 ) & 0x3; + ind[2] = ( packed >> 4 ) & 0x3; + ind[3] = ( packed >> 6 ) & 0x3; + } + + // store out the colours + for( int i = 0; i < 16; ++i ) + { + u8 offset = 4*indices[i]; + for( int j = 0; j < 4; ++j ) + rgba[4*i + j] = codes[offset + j]; + } } } // namespace squish diff --git a/thirdparty/squish/colourblock.h b/thirdparty/squish/colourblock.h index df0a47217f..fee2cd7c5d 100644 --- a/thirdparty/squish/colourblock.h +++ b/thirdparty/squish/colourblock.h @@ -1,32 +1,32 @@ /* ----------------------------------------------------------------------------- - Copyright (c) 2006 Simon Brown si@sjbrown.co.uk - - Permission is hereby granted, free of charge, to any person obtaining - a copy of this software and associated documentation files (the - "Software"), to deal in the Software without restriction, including - without limitation the rights to use, copy, modify, merge, publish, - distribute, sublicense, and/or sell copies of the Software, and to - permit persons to whom the Software is furnished to do so, subject to - the following conditions: - - The above copyright notice and this permission notice shall be included - in all copies or substantial portions of the Software. - - THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY - CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - + Copyright (c) 2006 Simon Brown si@sjbrown.co.uk + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + "Software"), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + -------------------------------------------------------------------------- */ - + #ifndef SQUISH_COLOURBLOCK_H #define SQUISH_COLOURBLOCK_H -#include <squish.h> +#include "squish.h" #include "maths.h" namespace squish { diff --git a/thirdparty/squish/colourfit.cpp b/thirdparty/squish/colourfit.cpp index dba2b87e81..e45b656557 100644 --- a/thirdparty/squish/colourfit.cpp +++ b/thirdparty/squish/colourfit.cpp @@ -1,50 +1,54 @@ /* ----------------------------------------------------------------------------- - Copyright (c) 2006 Simon Brown si@sjbrown.co.uk - - Permission is hereby granted, free of charge, to any person obtaining - a copy of this software and associated documentation files (the - "Software"), to deal in the Software without restriction, including - without limitation the rights to use, copy, modify, merge, publish, - distribute, sublicense, and/or sell copies of the Software, and to - permit persons to whom the Software is furnished to do so, subject to - the following conditions: - - The above copyright notice and this permission notice shall be included - in all copies or substantial portions of the Software. - - THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY - CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - + Copyright (c) 2006 Simon Brown si@sjbrown.co.uk + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + "Software"), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + -------------------------------------------------------------------------- */ - + #include "colourfit.h" #include "colourset.h" namespace squish { -ColourFit::ColourFit( ColourSet const* colours, int flags ) - : m_colours( colours ), - m_flags( flags ) +ColourFit::ColourFit( ColourSet const* colours, int flags ) + : m_colours( colours ), + m_flags( flags ) +{ +} + +ColourFit::~ColourFit() { } void ColourFit::Compress( void* block ) { - bool isDxt1 = ( ( m_flags & kDxt1 ) != 0 ); - if( isDxt1 ) - { - Compress3( block ); - if( !m_colours->IsTransparent() ) - Compress4( block ); - } - else - Compress4( block ); + bool isDxt1 = ( ( m_flags & kDxt1 ) != 0 ); + if( isDxt1 ) + { + Compress3( block ); + if( !m_colours->IsTransparent() ) + Compress4( block ); + } + else + Compress4( block ); } } // namespace squish diff --git a/thirdparty/squish/colourfit.h b/thirdparty/squish/colourfit.h index a2d0559a32..e73dceb2eb 100644 --- a/thirdparty/squish/colourfit.h +++ b/thirdparty/squish/colourfit.h @@ -1,34 +1,36 @@ /* ----------------------------------------------------------------------------- - Copyright (c) 2006 Simon Brown si@sjbrown.co.uk - - Permission is hereby granted, free of charge, to any person obtaining - a copy of this software and associated documentation files (the - "Software"), to deal in the Software without restriction, including - without limitation the rights to use, copy, modify, merge, publish, - distribute, sublicense, and/or sell copies of the Software, and to - permit persons to whom the Software is furnished to do so, subject to - the following conditions: - - The above copyright notice and this permission notice shall be included - in all copies or substantial portions of the Software. - - THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY - CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - + Copyright (c) 2006 Simon Brown si@sjbrown.co.uk + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + "Software"), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + -------------------------------------------------------------------------- */ - + #ifndef SQUISH_COLOURFIT_H #define SQUISH_COLOURFIT_H -#include <squish.h> +#include "squish.h" #include "maths.h" +#include <climits> + namespace squish { class ColourSet; @@ -36,16 +38,17 @@ class ColourSet; class ColourFit { public: - ColourFit( ColourSet const* colours, int flags ); + ColourFit( ColourSet const* colours, int flags ); + virtual ~ColourFit(); - void Compress( void* block ); + void Compress( void* block ); protected: - virtual void Compress3( void* block ) = 0; - virtual void Compress4( void* block ) = 0; + virtual void Compress3( void* block ) = 0; + virtual void Compress4( void* block ) = 0; - ColourSet const* m_colours; - int m_flags; + ColourSet const* m_colours; + int m_flags; }; } // namespace squish diff --git a/thirdparty/squish/colourset.cpp b/thirdparty/squish/colourset.cpp index 97d29d9873..e900556471 100644 --- a/thirdparty/squish/colourset.cpp +++ b/thirdparty/squish/colourset.cpp @@ -1,121 +1,121 @@ /* ----------------------------------------------------------------------------- - Copyright (c) 2006 Simon Brown si@sjbrown.co.uk - - Permission is hereby granted, free of charge, to any person obtaining - a copy of this software and associated documentation files (the - "Software"), to deal in the Software without restriction, including - without limitation the rights to use, copy, modify, merge, publish, - distribute, sublicense, and/or sell copies of the Software, and to - permit persons to whom the Software is furnished to do so, subject to - the following conditions: - - The above copyright notice and this permission notice shall be included - in all copies or substantial portions of the Software. - - THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY - CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - + Copyright (c) 2006 Simon Brown si@sjbrown.co.uk + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + "Software"), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + -------------------------------------------------------------------------- */ - + #include "colourset.h" namespace squish { ColourSet::ColourSet( u8 const* rgba, int mask, int flags ) - : m_count( 0 ), - m_transparent( false ) + : m_count( 0 ), + m_transparent( false ) { - // check the compression mode for dxt1 - bool isDxt1 = ( ( flags & kDxt1 ) != 0 ); - bool weightByAlpha = ( ( flags & kWeightColourByAlpha ) != 0 ); - - // create the minimal set - for( int i = 0; i < 16; ++i ) - { - // check this pixel is enabled - int bit = 1 << i; - if( ( mask & bit ) == 0 ) - { - m_remap[i] = -1; - continue; - } - - // check for transparent pixels when using dxt1 - if( isDxt1 && rgba[4*i + 3] < 128 ) - { - m_remap[i] = -1; - m_transparent = true; - continue; - } - - // loop over previous points for a match - for( int j = 0;; ++j ) - { - // allocate a new point - if( j == i ) - { - // normalise coordinates to [0,1] - float x = ( float )rgba[4*i] / 255.0f; - float y = ( float )rgba[4*i + 1] / 255.0f; - float z = ( float )rgba[4*i + 2] / 255.0f; - - // ensure there is always non-zero weight even for zero alpha - float w = ( float )( rgba[4*i + 3] + 1 ) / 256.0f; - - // add the point - m_points[m_count] = Vec3( x, y, z ); - m_weights[m_count] = ( weightByAlpha ? w : 1.0f ); - m_remap[i] = m_count; - - // advance - ++m_count; - break; - } - - // check for a match - int oldbit = 1 << j; - bool match = ( ( mask & oldbit ) != 0 ) - && ( rgba[4*i] == rgba[4*j] ) - && ( rgba[4*i + 1] == rgba[4*j + 1] ) - && ( rgba[4*i + 2] == rgba[4*j + 2] ) - && ( rgba[4*j + 3] >= 128 || !isDxt1 ); - if( match ) - { - // get the index of the match - int index = m_remap[j]; - - // ensure there is always non-zero weight even for zero alpha - float w = ( float )( rgba[4*i + 3] + 1 ) / 256.0f; - - // map to this point and increase the weight - m_weights[index] += ( weightByAlpha ? w : 1.0f ); - m_remap[i] = index; - break; - } - } - } - - // square root the weights - for( int i = 0; i < m_count; ++i ) - m_weights[i] = std::sqrt( m_weights[i] ); + // check the compression mode for dxt1 + bool isDxt1 = ( ( flags & kDxt1 ) != 0 ); + bool weightByAlpha = ( ( flags & kWeightColourByAlpha ) != 0 ); + + // create the minimal set + for( int i = 0; i < 16; ++i ) + { + // check this pixel is enabled + int bit = 1 << i; + if( ( mask & bit ) == 0 ) + { + m_remap[i] = -1; + continue; + } + + // check for transparent pixels when using dxt1 + if( isDxt1 && rgba[4*i + 3] < 128 ) + { + m_remap[i] = -1; + m_transparent = true; + continue; + } + + // loop over previous points for a match + for( int j = 0;; ++j ) + { + // allocate a new point + if( j == i ) + { + // normalise coordinates to [0,1] + float x = ( float )rgba[4*i] / 255.0f; + float y = ( float )rgba[4*i + 1] / 255.0f; + float z = ( float )rgba[4*i + 2] / 255.0f; + + // ensure there is always non-zero weight even for zero alpha + float w = ( float )( rgba[4*i + 3] + 1 ) / 256.0f; + + // add the point + m_points[m_count] = Vec3( x, y, z ); + m_weights[m_count] = ( weightByAlpha ? w : 1.0f ); + m_remap[i] = m_count; + + // advance + ++m_count; + break; + } + + // check for a match + int oldbit = 1 << j; + bool match = ( ( mask & oldbit ) != 0 ) + && ( rgba[4*i] == rgba[4*j] ) + && ( rgba[4*i + 1] == rgba[4*j + 1] ) + && ( rgba[4*i + 2] == rgba[4*j + 2] ) + && ( rgba[4*j + 3] >= 128 || !isDxt1 ); + if( match ) + { + // get the index of the match + int index = m_remap[j]; + + // ensure there is always non-zero weight even for zero alpha + float w = ( float )( rgba[4*i + 3] + 1 ) / 256.0f; + + // map to this point and increase the weight + m_weights[index] += ( weightByAlpha ? w : 1.0f ); + m_remap[i] = index; + break; + } + } + } + + // square root the weights + for( int i = 0; i < m_count; ++i ) + m_weights[i] = std::sqrt( m_weights[i] ); } void ColourSet::RemapIndices( u8 const* source, u8* target ) const { - for( int i = 0; i < 16; ++i ) - { - int j = m_remap[i]; - if( j == -1 ) - target[i] = 3; - else - target[i] = source[j]; - } + for( int i = 0; i < 16; ++i ) + { + int j = m_remap[i]; + if( j == -1 ) + target[i] = 3; + else + target[i] = source[j]; + } } } // namespace squish diff --git a/thirdparty/squish/colourset.h b/thirdparty/squish/colourset.h index dcf56ae28e..e13bb6fc35 100644 --- a/thirdparty/squish/colourset.h +++ b/thirdparty/squish/colourset.h @@ -1,32 +1,32 @@ /* ----------------------------------------------------------------------------- - Copyright (c) 2006 Simon Brown si@sjbrown.co.uk - - Permission is hereby granted, free of charge, to any person obtaining - a copy of this software and associated documentation files (the - "Software"), to deal in the Software without restriction, including - without limitation the rights to use, copy, modify, merge, publish, - distribute, sublicense, and/or sell copies of the Software, and to - permit persons to whom the Software is furnished to do so, subject to - the following conditions: - - The above copyright notice and this permission notice shall be included - in all copies or substantial portions of the Software. - - THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY - CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - + Copyright (c) 2006 Simon Brown si@sjbrown.co.uk + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + "Software"), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + -------------------------------------------------------------------------- */ - + #ifndef SQUISH_COLOURSET_H #define SQUISH_COLOURSET_H -#include <squish.h> +#include "squish.h" #include "maths.h" namespace squish { @@ -36,21 +36,21 @@ namespace squish { class ColourSet { public: - ColourSet( u8 const* rgba, int mask, int flags ); + ColourSet( u8 const* rgba, int mask, int flags ); - int GetCount() const { return m_count; } - Vec3 const* GetPoints() const { return m_points; } - float const* GetWeights() const { return m_weights; } - bool IsTransparent() const { return m_transparent; } + int GetCount() const { return m_count; } + Vec3 const* GetPoints() const { return m_points; } + float const* GetWeights() const { return m_weights; } + bool IsTransparent() const { return m_transparent; } - void RemapIndices( u8 const* source, u8* target ) const; + void RemapIndices( u8 const* source, u8* target ) const; private: - int m_count; - Vec3 m_points[16]; - float m_weights[16]; - int m_remap[16]; - bool m_transparent; + int m_count; + Vec3 m_points[16]; + float m_weights[16]; + int m_remap[16]; + bool m_transparent; }; } // namespace sqish diff --git a/thirdparty/squish/config.h b/thirdparty/squish/config.h index 7bf3760c26..92edefe966 100644 --- a/thirdparty/squish/config.h +++ b/thirdparty/squish/config.h @@ -1,28 +1,28 @@ /* ----------------------------------------------------------------------------- - Copyright (c) 2006 Simon Brown si@sjbrown.co.uk - - Permission is hereby granted, free of charge, to any person obtaining - a copy of this software and associated documentation files (the - "Software"), to deal in the Software without restriction, including - without limitation the rights to use, copy, modify, merge, publish, - distribute, sublicense, and/or sell copies of the Software, and to - permit persons to whom the Software is furnished to do so, subject to - the following conditions: - - The above copyright notice and this permission notice shall be included - in all copies or substantial portions of the Software. - - THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY - CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - + Copyright (c) 2006 Simon Brown si@sjbrown.co.uk + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + "Software"), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + -------------------------------------------------------------------------- */ - + #ifndef SQUISH_CONFIG_H #define SQUISH_CONFIG_H @@ -36,7 +36,7 @@ #define SQUISH_USE_SSE 0 #endif -// Internally et SQUISH_USE_SIMD when either Altivec or SSE is available. +// Internally set SQUISH_USE_SIMD when either Altivec or SSE is available. #if SQUISH_USE_ALTIVEC && SQUISH_USE_SSE #error "Cannot enable both Altivec and SSE!" #endif diff --git a/thirdparty/squish/maths.cpp b/thirdparty/squish/maths.cpp index 59818a4d2b..4fa0bcfb35 100644 --- a/thirdparty/squish/maths.cpp +++ b/thirdparty/squish/maths.cpp @@ -1,227 +1,259 @@ /* ----------------------------------------------------------------------------- - Copyright (c) 2006 Simon Brown si@sjbrown.co.uk - - Permission is hereby granted, free of charge, to any person obtaining - a copy of this software and associated documentation files (the - "Software"), to deal in the Software without restriction, including - without limitation the rights to use, copy, modify, merge, publish, - distribute, sublicense, and/or sell copies of the Software, and to - permit persons to whom the Software is furnished to do so, subject to - the following conditions: - - The above copyright notice and this permission notice shall be included - in all copies or substantial portions of the Software. - - THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY - CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - + Copyright (c) 2006 Simon Brown si@sjbrown.co.uk + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + "Software"), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + -------------------------------------------------------------------------- */ - + /*! @file - The symmetric eigensystem solver algorithm is from - http://www.geometrictools.com/Documentation/EigenSymmetric3x3.pdf + The symmetric eigensystem solver algorithm is from + http://www.geometrictools.com/Documentation/EigenSymmetric3x3.pdf */ #include "maths.h" +#include "simd.h" #include <cfloat> namespace squish { Sym3x3 ComputeWeightedCovariance( int n, Vec3 const* points, float const* weights ) { - // compute the centroid - float total = 0.0f; - Vec3 centroid( 0.0f ); - for( int i = 0; i < n; ++i ) - { - total += weights[i]; - centroid += weights[i]*points[i]; - } - centroid /= total; - - // accumulate the covariance matrix - Sym3x3 covariance( 0.0f ); - for( int i = 0; i < n; ++i ) - { - Vec3 a = points[i] - centroid; - Vec3 b = weights[i]*a; - - covariance[0] += a.X()*b.X(); - covariance[1] += a.X()*b.Y(); - covariance[2] += a.X()*b.Z(); - covariance[3] += a.Y()*b.Y(); - covariance[4] += a.Y()*b.Z(); - covariance[5] += a.Z()*b.Z(); - } - - // return it - return covariance; + // compute the centroid + float total = 0.0f; + Vec3 centroid( 0.0f ); + for( int i = 0; i < n; ++i ) + { + total += weights[i]; + centroid += weights[i]*points[i]; + } + if( total > FLT_EPSILON ) + centroid /= total; + + // accumulate the covariance matrix + Sym3x3 covariance( 0.0f ); + for( int i = 0; i < n; ++i ) + { + Vec3 a = points[i] - centroid; + Vec3 b = weights[i]*a; + + covariance[0] += a.X()*b.X(); + covariance[1] += a.X()*b.Y(); + covariance[2] += a.X()*b.Z(); + covariance[3] += a.Y()*b.Y(); + covariance[4] += a.Y()*b.Z(); + covariance[5] += a.Z()*b.Z(); + } + + // return it + return covariance; } +#if 0 + static Vec3 GetMultiplicity1Evector( Sym3x3 const& matrix, float evalue ) { - // compute M - Sym3x3 m; - m[0] = matrix[0] - evalue; - m[1] = matrix[1]; - m[2] = matrix[2]; - m[3] = matrix[3] - evalue; - m[4] = matrix[4]; - m[5] = matrix[5] - evalue; - - // compute U - Sym3x3 u; - u[0] = m[3]*m[5] - m[4]*m[4]; - u[1] = m[2]*m[4] - m[1]*m[5]; - u[2] = m[1]*m[4] - m[2]*m[3]; - u[3] = m[0]*m[5] - m[2]*m[2]; - u[4] = m[1]*m[2] - m[4]*m[0]; - u[5] = m[0]*m[3] - m[1]*m[1]; - - // find the largest component - float mc = std::fabs( u[0] ); - int mi = 0; - for( int i = 1; i < 6; ++i ) - { - float c = std::fabs( u[i] ); - if( c > mc ) - { - mc = c; - mi = i; - } - } - - // pick the column with this component - switch( mi ) - { - case 0: - return Vec3( u[0], u[1], u[2] ); - - case 1: - case 3: - return Vec3( u[1], u[3], u[4] ); - - default: - return Vec3( u[2], u[4], u[5] ); - } + // compute M + Sym3x3 m; + m[0] = matrix[0] - evalue; + m[1] = matrix[1]; + m[2] = matrix[2]; + m[3] = matrix[3] - evalue; + m[4] = matrix[4]; + m[5] = matrix[5] - evalue; + + // compute U + Sym3x3 u; + u[0] = m[3]*m[5] - m[4]*m[4]; + u[1] = m[2]*m[4] - m[1]*m[5]; + u[2] = m[1]*m[4] - m[2]*m[3]; + u[3] = m[0]*m[5] - m[2]*m[2]; + u[4] = m[1]*m[2] - m[4]*m[0]; + u[5] = m[0]*m[3] - m[1]*m[1]; + + // find the largest component + float mc = std::fabs( u[0] ); + int mi = 0; + for( int i = 1; i < 6; ++i ) + { + float c = std::fabs( u[i] ); + if( c > mc ) + { + mc = c; + mi = i; + } + } + + // pick the column with this component + switch( mi ) + { + case 0: + return Vec3( u[0], u[1], u[2] ); + + case 1: + case 3: + return Vec3( u[1], u[3], u[4] ); + + default: + return Vec3( u[2], u[4], u[5] ); + } } static Vec3 GetMultiplicity2Evector( Sym3x3 const& matrix, float evalue ) { - // compute M - Sym3x3 m; - m[0] = matrix[0] - evalue; - m[1] = matrix[1]; - m[2] = matrix[2]; - m[3] = matrix[3] - evalue; - m[4] = matrix[4]; - m[5] = matrix[5] - evalue; - - // find the largest component - float mc = std::fabs( m[0] ); - int mi = 0; - for( int i = 1; i < 6; ++i ) - { - float c = std::fabs( m[i] ); - if( c > mc ) - { - mc = c; - mi = i; - } - } - - // pick the first eigenvector based on this index - switch( mi ) - { - case 0: - case 1: - return Vec3( -m[1], m[0], 0.0f ); - - case 2: - return Vec3( m[2], 0.0f, -m[0] ); - - case 3: - case 4: - return Vec3( 0.0f, -m[4], m[3] ); - - default: - return Vec3( 0.0f, -m[5], m[4] ); - } + // compute M + Sym3x3 m; + m[0] = matrix[0] - evalue; + m[1] = matrix[1]; + m[2] = matrix[2]; + m[3] = matrix[3] - evalue; + m[4] = matrix[4]; + m[5] = matrix[5] - evalue; + + // find the largest component + float mc = std::fabs( m[0] ); + int mi = 0; + for( int i = 1; i < 6; ++i ) + { + float c = std::fabs( m[i] ); + if( c > mc ) + { + mc = c; + mi = i; + } + } + + // pick the first eigenvector based on this index + switch( mi ) + { + case 0: + case 1: + return Vec3( -m[1], m[0], 0.0f ); + + case 2: + return Vec3( m[2], 0.0f, -m[0] ); + + case 3: + case 4: + return Vec3( 0.0f, -m[4], m[3] ); + + default: + return Vec3( 0.0f, -m[5], m[4] ); + } } Vec3 ComputePrincipleComponent( Sym3x3 const& matrix ) { - // compute the cubic coefficients - float c0 = matrix[0]*matrix[3]*matrix[5] - + 2.0f*matrix[1]*matrix[2]*matrix[4] - - matrix[0]*matrix[4]*matrix[4] - - matrix[3]*matrix[2]*matrix[2] - - matrix[5]*matrix[1]*matrix[1]; - float c1 = matrix[0]*matrix[3] + matrix[0]*matrix[5] + matrix[3]*matrix[5] - - matrix[1]*matrix[1] - matrix[2]*matrix[2] - matrix[4]*matrix[4]; - float c2 = matrix[0] + matrix[3] + matrix[5]; - - // compute the quadratic coefficients - float a = c1 - ( 1.0f/3.0f )*c2*c2; - float b = ( -2.0f/27.0f )*c2*c2*c2 + ( 1.0f/3.0f )*c1*c2 - c0; - - // compute the root count check - float Q = 0.25f*b*b + ( 1.0f/27.0f )*a*a*a; - - // test the multiplicity - if( FLT_EPSILON < Q ) - { - // only one root, which implies we have a multiple of the identity + // compute the cubic coefficients + float c0 = matrix[0]*matrix[3]*matrix[5] + + 2.0f*matrix[1]*matrix[2]*matrix[4] + - matrix[0]*matrix[4]*matrix[4] + - matrix[3]*matrix[2]*matrix[2] + - matrix[5]*matrix[1]*matrix[1]; + float c1 = matrix[0]*matrix[3] + matrix[0]*matrix[5] + matrix[3]*matrix[5] + - matrix[1]*matrix[1] - matrix[2]*matrix[2] - matrix[4]*matrix[4]; + float c2 = matrix[0] + matrix[3] + matrix[5]; + + // compute the quadratic coefficients + float a = c1 - ( 1.0f/3.0f )*c2*c2; + float b = ( -2.0f/27.0f )*c2*c2*c2 + ( 1.0f/3.0f )*c1*c2 - c0; + + // compute the root count check + float Q = 0.25f*b*b + ( 1.0f/27.0f )*a*a*a; + + // test the multiplicity + if( FLT_EPSILON < Q ) + { + // only one root, which implies we have a multiple of the identity return Vec3( 1.0f ); - } - else if( Q < -FLT_EPSILON ) - { - // three distinct roots - float theta = std::atan2( std::sqrt( -Q ), -0.5f*b ); - float rho = std::sqrt( 0.25f*b*b - Q ); - - float rt = std::pow( rho, 1.0f/3.0f ); - float ct = std::cos( theta/3.0f ); - float st = std::sin( theta/3.0f ); - - float l1 = ( 1.0f/3.0f )*c2 + 2.0f*rt*ct; - float l2 = ( 1.0f/3.0f )*c2 - rt*( ct + ( float )sqrt( 3.0f )*st ); - float l3 = ( 1.0f/3.0f )*c2 - rt*( ct - ( float )sqrt( 3.0f )*st ); - - // pick the larger - if( std::fabs( l2 ) > std::fabs( l1 ) ) - l1 = l2; - if( std::fabs( l3 ) > std::fabs( l1 ) ) - l1 = l3; - - // get the eigenvector - return GetMultiplicity1Evector( matrix, l1 ); - } - else // if( -FLT_EPSILON <= Q && Q <= FLT_EPSILON ) - { - // two roots - float rt; - if( b < 0.0f ) - rt = -std::pow( -0.5f*b, 1.0f/3.0f ); - else - rt = std::pow( 0.5f*b, 1.0f/3.0f ); - - float l1 = ( 1.0f/3.0f )*c2 + rt; // repeated - float l2 = ( 1.0f/3.0f )*c2 - 2.0f*rt; - - // get the eigenvector - if( std::fabs( l1 ) > std::fabs( l2 ) ) - return GetMultiplicity2Evector( matrix, l1 ); - else - return GetMultiplicity1Evector( matrix, l2 ); - } + } + else if( Q < -FLT_EPSILON ) + { + // three distinct roots + float theta = std::atan2( std::sqrt( -Q ), -0.5f*b ); + float rho = std::sqrt( 0.25f*b*b - Q ); + + float rt = std::pow( rho, 1.0f/3.0f ); + float ct = std::cos( theta/3.0f ); + float st = std::sin( theta/3.0f ); + + float l1 = ( 1.0f/3.0f )*c2 + 2.0f*rt*ct; + float l2 = ( 1.0f/3.0f )*c2 - rt*( ct + ( float )sqrt( 3.0f )*st ); + float l3 = ( 1.0f/3.0f )*c2 - rt*( ct - ( float )sqrt( 3.0f )*st ); + + // pick the larger + if( std::fabs( l2 ) > std::fabs( l1 ) ) + l1 = l2; + if( std::fabs( l3 ) > std::fabs( l1 ) ) + l1 = l3; + + // get the eigenvector + return GetMultiplicity1Evector( matrix, l1 ); + } + else // if( -FLT_EPSILON <= Q && Q <= FLT_EPSILON ) + { + // two roots + float rt; + if( b < 0.0f ) + rt = -std::pow( -0.5f*b, 1.0f/3.0f ); + else + rt = std::pow( 0.5f*b, 1.0f/3.0f ); + + float l1 = ( 1.0f/3.0f )*c2 + rt; // repeated + float l2 = ( 1.0f/3.0f )*c2 - 2.0f*rt; + + // get the eigenvector + if( std::fabs( l1 ) > std::fabs( l2 ) ) + return GetMultiplicity2Evector( matrix, l1 ); + else + return GetMultiplicity1Evector( matrix, l2 ); + } } +#else + +#define POWER_ITERATION_COUNT 8 + +Vec3 ComputePrincipleComponent( Sym3x3 const& matrix ) +{ + Vec4 const row0( matrix[0], matrix[1], matrix[2], 0.0f ); + Vec4 const row1( matrix[1], matrix[3], matrix[4], 0.0f ); + Vec4 const row2( matrix[2], matrix[4], matrix[5], 0.0f ); + Vec4 v = VEC4_CONST( 1.0f ); + for( int i = 0; i < POWER_ITERATION_COUNT; ++i ) + { + // matrix multiply + Vec4 w = row0*v.SplatX(); + w = MultiplyAdd(row1, v.SplatY(), w); + w = MultiplyAdd(row2, v.SplatZ(), w); + + // get max component from xyz in all channels + Vec4 a = Max(w.SplatX(), Max(w.SplatY(), w.SplatZ())); + + // divide through and advance + v = w*Reciprocal(a); + } + return v.GetVec3(); +} + +#endif + } // namespace squish diff --git a/thirdparty/squish/maths.h b/thirdparty/squish/maths.h index 769ae463f7..59c32196b1 100644 --- a/thirdparty/squish/maths.h +++ b/thirdparty/squish/maths.h @@ -1,28 +1,28 @@ /* ----------------------------------------------------------------------------- - Copyright (c) 2006 Simon Brown si@sjbrown.co.uk - - Permission is hereby granted, free of charge, to any person obtaining - a copy of this software and associated documentation files (the - "Software"), to deal in the Software without restriction, including - without limitation the rights to use, copy, modify, merge, publish, - distribute, sublicense, and/or sell copies of the Software, and to - permit persons to whom the Software is furnished to do so, subject to - the following conditions: - - The above copyright notice and this permission notice shall be included - in all copies or substantial portions of the Software. - - THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY - CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - + Copyright (c) 2006 Simon Brown si@sjbrown.co.uk + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + "Software"), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + -------------------------------------------------------------------------- */ - + #ifndef SQUISH_MATHS_H #define SQUISH_MATHS_H @@ -35,194 +35,194 @@ namespace squish { class Vec3 { public: - typedef Vec3 const& Arg; - - Vec3() - { - } - - explicit Vec3( float s ) - { - m_x = s; - m_y = s; - m_z = s; - } - - Vec3( float x, float y, float z ) - { - m_x = x; - m_y = y; - m_z = z; - } - - float X() const { return m_x; } - float Y() const { return m_y; } - float Z() const { return m_z; } - - Vec3 operator-() const - { - return Vec3( -m_x, -m_y, -m_z ); - } - - Vec3& operator+=( Arg v ) - { - m_x += v.m_x; - m_y += v.m_y; - m_z += v.m_z; - return *this; - } - - Vec3& operator-=( Arg v ) - { - m_x -= v.m_x; - m_y -= v.m_y; - m_z -= v.m_z; - return *this; - } - - Vec3& operator*=( Arg v ) - { - m_x *= v.m_x; - m_y *= v.m_y; - m_z *= v.m_z; - return *this; - } - - Vec3& operator*=( float s ) - { - m_x *= s; - m_y *= s; - m_z *= s; - return *this; - } - - Vec3& operator/=( Arg v ) - { - m_x /= v.m_x; - m_y /= v.m_y; - m_z /= v.m_z; - return *this; - } - - Vec3& operator/=( float s ) - { - float t = 1.0f/s; - m_x *= t; - m_y *= t; - m_z *= t; - return *this; - } - - friend Vec3 operator+( Arg left, Arg right ) - { - Vec3 copy( left ); - return copy += right; - } - - friend Vec3 operator-( Arg left, Arg right ) - { - Vec3 copy( left ); - return copy -= right; - } - - friend Vec3 operator*( Arg left, Arg right ) - { - Vec3 copy( left ); - return copy *= right; - } - - friend Vec3 operator*( Arg left, float right ) - { - Vec3 copy( left ); - return copy *= right; - } - - friend Vec3 operator*( float left, Arg right ) - { - Vec3 copy( right ); - return copy *= left; - } - - friend Vec3 operator/( Arg left, Arg right ) - { - Vec3 copy( left ); - return copy /= right; - } - - friend Vec3 operator/( Arg left, float right ) - { - Vec3 copy( left ); - return copy /= right; - } - - friend float Dot( Arg left, Arg right ) - { - return left.m_x*right.m_x + left.m_y*right.m_y + left.m_z*right.m_z; - } - - friend Vec3 Min( Arg left, Arg right ) - { - return Vec3( - std::min( left.m_x, right.m_x ), - std::min( left.m_y, right.m_y ), - std::min( left.m_z, right.m_z ) - ); - } - - friend Vec3 Max( Arg left, Arg right ) - { - return Vec3( - std::max( left.m_x, right.m_x ), - std::max( left.m_y, right.m_y ), - std::max( left.m_z, right.m_z ) - ); - } - - friend Vec3 Truncate( Arg v ) - { - return Vec3( - v.m_x > 0.0f ? std::floor( v.m_x ) : std::ceil( v.m_x ), - v.m_y > 0.0f ? std::floor( v.m_y ) : std::ceil( v.m_y ), - v.m_z > 0.0f ? std::floor( v.m_z ) : std::ceil( v.m_z ) - ); - } + typedef Vec3 const& Arg; + + Vec3() + { + } + + explicit Vec3( float s ) + { + m_x = s; + m_y = s; + m_z = s; + } + + Vec3( float x, float y, float z ) + { + m_x = x; + m_y = y; + m_z = z; + } + + float X() const { return m_x; } + float Y() const { return m_y; } + float Z() const { return m_z; } + + Vec3 operator-() const + { + return Vec3( -m_x, -m_y, -m_z ); + } + + Vec3& operator+=( Arg v ) + { + m_x += v.m_x; + m_y += v.m_y; + m_z += v.m_z; + return *this; + } + + Vec3& operator-=( Arg v ) + { + m_x -= v.m_x; + m_y -= v.m_y; + m_z -= v.m_z; + return *this; + } + + Vec3& operator*=( Arg v ) + { + m_x *= v.m_x; + m_y *= v.m_y; + m_z *= v.m_z; + return *this; + } + + Vec3& operator*=( float s ) + { + m_x *= s; + m_y *= s; + m_z *= s; + return *this; + } + + Vec3& operator/=( Arg v ) + { + m_x /= v.m_x; + m_y /= v.m_y; + m_z /= v.m_z; + return *this; + } + + Vec3& operator/=( float s ) + { + float t = 1.0f/s; + m_x *= t; + m_y *= t; + m_z *= t; + return *this; + } + + friend Vec3 operator+( Arg left, Arg right ) + { + Vec3 copy( left ); + return copy += right; + } + + friend Vec3 operator-( Arg left, Arg right ) + { + Vec3 copy( left ); + return copy -= right; + } + + friend Vec3 operator*( Arg left, Arg right ) + { + Vec3 copy( left ); + return copy *= right; + } + + friend Vec3 operator*( Arg left, float right ) + { + Vec3 copy( left ); + return copy *= right; + } + + friend Vec3 operator*( float left, Arg right ) + { + Vec3 copy( right ); + return copy *= left; + } + + friend Vec3 operator/( Arg left, Arg right ) + { + Vec3 copy( left ); + return copy /= right; + } + + friend Vec3 operator/( Arg left, float right ) + { + Vec3 copy( left ); + return copy /= right; + } + + friend float Dot( Arg left, Arg right ) + { + return left.m_x*right.m_x + left.m_y*right.m_y + left.m_z*right.m_z; + } + + friend Vec3 Min( Arg left, Arg right ) + { + return Vec3( + std::min( left.m_x, right.m_x ), + std::min( left.m_y, right.m_y ), + std::min( left.m_z, right.m_z ) + ); + } + + friend Vec3 Max( Arg left, Arg right ) + { + return Vec3( + std::max( left.m_x, right.m_x ), + std::max( left.m_y, right.m_y ), + std::max( left.m_z, right.m_z ) + ); + } + + friend Vec3 Truncate( Arg v ) + { + return Vec3( + v.m_x > 0.0f ? std::floor( v.m_x ) : std::ceil( v.m_x ), + v.m_y > 0.0f ? std::floor( v.m_y ) : std::ceil( v.m_y ), + v.m_z > 0.0f ? std::floor( v.m_z ) : std::ceil( v.m_z ) + ); + } private: - float m_x; - float m_y; - float m_z; + float m_x; + float m_y; + float m_z; }; inline float LengthSquared( Vec3::Arg v ) { - return Dot( v, v ); + return Dot( v, v ); } class Sym3x3 { public: - Sym3x3() - { - } - - Sym3x3( float s ) - { - for( int i = 0; i < 6; ++i ) - m_x[i] = s; - } - - float operator[]( int index ) const - { - return m_x[index]; - } - - float& operator[]( int index ) - { - return m_x[index]; - } + Sym3x3() + { + } + + Sym3x3( float s ) + { + for( int i = 0; i < 6; ++i ) + m_x[i] = s; + } + + float operator[]( int index ) const + { + return m_x[index]; + } + + float& operator[]( int index ) + { + return m_x[index]; + } private: - float m_x[6]; + float m_x[6]; }; Sym3x3 ComputeWeightedCovariance( int n, Vec3 const* points, float const* weights ); diff --git a/thirdparty/squish/rangefit.cpp b/thirdparty/squish/rangefit.cpp index 5a66436056..adc07ed7d2 100644 --- a/thirdparty/squish/rangefit.cpp +++ b/thirdparty/squish/rangefit.cpp @@ -1,28 +1,28 @@ /* ----------------------------------------------------------------------------- - Copyright (c) 2006 Simon Brown si@sjbrown.co.uk - - Permission is hereby granted, free of charge, to any person obtaining - a copy of this software and associated documentation files (the - "Software"), to deal in the Software without restriction, including - without limitation the rights to use, copy, modify, merge, publish, - distribute, sublicense, and/or sell copies of the Software, and to - permit persons to whom the Software is furnished to do so, subject to - the following conditions: - - The above copyright notice and this permission notice shall be included - in all copies or substantial portions of the Software. - - THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY - CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - + Copyright (c) 2006 Simon Brown si@sjbrown.co.uk + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + "Software"), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + -------------------------------------------------------------------------- */ - + #include "rangefit.h" #include "colourset.h" #include "colourblock.h" @@ -30,173 +30,172 @@ namespace squish { -RangeFit::RangeFit( ColourSet const* colours, int flags ) +RangeFit::RangeFit( ColourSet const* colours, int flags, float* metric ) : ColourFit( colours, flags ) { - // initialise the metric - bool perceptual = ( ( m_flags & kColourMetricPerceptual ) != 0 ); - if( perceptual ) - m_metric = Vec3( 0.2126f, 0.7152f, 0.0722f ); - else - m_metric = Vec3( 1.0f ); - - // initialise the best error - m_besterror = FLT_MAX; - - // cache some values - int const count = m_colours->GetCount(); - Vec3 const* values = m_colours->GetPoints(); - float const* weights = m_colours->GetWeights(); - - // get the covariance matrix - Sym3x3 covariance = ComputeWeightedCovariance( count, values, weights ); - - // compute the principle component - Vec3 principle = ComputePrincipleComponent( covariance ); - - // get the min and max range as the codebook endpoints - Vec3 start( 0.0f ); - Vec3 end( 0.0f ); - if( count > 0 ) - { - float min, max; - - // compute the range - start = end = values[0]; - min = max = Dot( values[0], principle ); - for( int i = 1; i < count; ++i ) - { - float val = Dot( values[i], principle ); - if( val < min ) - { - start = values[i]; - min = val; - } - else if( val > max ) - { - end = values[i]; - max = val; - } - } - } - - // clamp the output to [0, 1] - Vec3 const one( 1.0f ); - Vec3 const zero( 0.0f ); - start = Min( one, Max( zero, start ) ); - end = Min( one, Max( zero, end ) ); - - // clamp to the grid and save - Vec3 const grid( 31.0f, 63.0f, 31.0f ); - Vec3 const gridrcp( 1.0f/31.0f, 1.0f/63.0f, 1.0f/31.0f ); - Vec3 const half( 0.5f ); - m_start = Truncate( grid*start + half )*gridrcp; - m_end = Truncate( grid*end + half )*gridrcp; + // initialise the metric (old perceptual = 0.2126f, 0.7152f, 0.0722f) + if( metric ) + m_metric = Vec3( metric[0], metric[1], metric[2] ); + else + m_metric = Vec3( 1.0f ); + + // initialise the best error + m_besterror = FLT_MAX; + + // cache some values + int const count = m_colours->GetCount(); + Vec3 const* values = m_colours->GetPoints(); + float const* weights = m_colours->GetWeights(); + + // get the covariance matrix + Sym3x3 covariance = ComputeWeightedCovariance( count, values, weights ); + + // compute the principle component + Vec3 principle = ComputePrincipleComponent( covariance ); + + // get the min and max range as the codebook endpoints + Vec3 start( 0.0f ); + Vec3 end( 0.0f ); + if( count > 0 ) + { + float min, max; + + // compute the range + start = end = values[0]; + min = max = Dot( values[0], principle ); + for( int i = 1; i < count; ++i ) + { + float val = Dot( values[i], principle ); + if( val < min ) + { + start = values[i]; + min = val; + } + else if( val > max ) + { + end = values[i]; + max = val; + } + } + } + + // clamp the output to [0, 1] + Vec3 const one( 1.0f ); + Vec3 const zero( 0.0f ); + start = Min( one, Max( zero, start ) ); + end = Min( one, Max( zero, end ) ); + + // clamp to the grid and save + Vec3 const grid( 31.0f, 63.0f, 31.0f ); + Vec3 const gridrcp( 1.0f/31.0f, 1.0f/63.0f, 1.0f/31.0f ); + Vec3 const half( 0.5f ); + m_start = Truncate( grid*start + half )*gridrcp; + m_end = Truncate( grid*end + half )*gridrcp; } void RangeFit::Compress3( void* block ) { - // cache some values - int const count = m_colours->GetCount(); - Vec3 const* values = m_colours->GetPoints(); - - // create a codebook - Vec3 codes[3]; - codes[0] = m_start; - codes[1] = m_end; - codes[2] = 0.5f*m_start + 0.5f*m_end; - - // match each point to the closest code - u8 closest[16]; - float error = 0.0f; - for( int i = 0; i < count; ++i ) - { - // find the closest code - float dist = FLT_MAX; - int idx = 0; - for( int j = 0; j < 3; ++j ) - { - float d = LengthSquared( m_metric*( values[i] - codes[j] ) ); - if( d < dist ) - { - dist = d; - idx = j; - } - } - - // save the index - closest[i] = ( u8 )idx; - - // accumulate the error - error += dist; - } - - // save this scheme if it wins - if( error < m_besterror ) - { - // remap the indices - u8 indices[16]; - m_colours->RemapIndices( closest, indices ); - - // save the block - WriteColourBlock3( m_start, m_end, indices, block ); - - // save the error - m_besterror = error; - } + // cache some values + int const count = m_colours->GetCount(); + Vec3 const* values = m_colours->GetPoints(); + + // create a codebook + Vec3 codes[3]; + codes[0] = m_start; + codes[1] = m_end; + codes[2] = 0.5f*m_start + 0.5f*m_end; + + // match each point to the closest code + u8 closest[16]; + float error = 0.0f; + for( int i = 0; i < count; ++i ) + { + // find the closest code + float dist = FLT_MAX; + int idx = 0; + for( int j = 0; j < 3; ++j ) + { + float d = LengthSquared( m_metric*( values[i] - codes[j] ) ); + if( d < dist ) + { + dist = d; + idx = j; + } + } + + // save the index + closest[i] = ( u8 )idx; + + // accumulate the error + error += dist; + } + + // save this scheme if it wins + if( error < m_besterror ) + { + // remap the indices + u8 indices[16]; + m_colours->RemapIndices( closest, indices ); + + // save the block + WriteColourBlock3( m_start, m_end, indices, block ); + + // save the error + m_besterror = error; + } } void RangeFit::Compress4( void* block ) { - // cache some values - int const count = m_colours->GetCount(); - Vec3 const* values = m_colours->GetPoints(); - - // create a codebook - Vec3 codes[4]; - codes[0] = m_start; - codes[1] = m_end; - codes[2] = ( 2.0f/3.0f )*m_start + ( 1.0f/3.0f )*m_end; - codes[3] = ( 1.0f/3.0f )*m_start + ( 2.0f/3.0f )*m_end; - - // match each point to the closest code - u8 closest[16]; - float error = 0.0f; - for( int i = 0; i < count; ++i ) - { - // find the closest code - float dist = FLT_MAX; - int idx = 0; - for( int j = 0; j < 4; ++j ) - { - float d = LengthSquared( m_metric*( values[i] - codes[j] ) ); - if( d < dist ) - { - dist = d; - idx = j; - } - } - - // save the index - closest[i] = ( u8 )idx; - - // accumulate the error - error += dist; - } - - // save this scheme if it wins - if( error < m_besterror ) - { - // remap the indices - u8 indices[16]; - m_colours->RemapIndices( closest, indices ); - - // save the block - WriteColourBlock4( m_start, m_end, indices, block ); - - // save the error - m_besterror = error; - } + // cache some values + int const count = m_colours->GetCount(); + Vec3 const* values = m_colours->GetPoints(); + + // create a codebook + Vec3 codes[4]; + codes[0] = m_start; + codes[1] = m_end; + codes[2] = ( 2.0f/3.0f )*m_start + ( 1.0f/3.0f )*m_end; + codes[3] = ( 1.0f/3.0f )*m_start + ( 2.0f/3.0f )*m_end; + + // match each point to the closest code + u8 closest[16]; + float error = 0.0f; + for( int i = 0; i < count; ++i ) + { + // find the closest code + float dist = FLT_MAX; + int idx = 0; + for( int j = 0; j < 4; ++j ) + { + float d = LengthSquared( m_metric*( values[i] - codes[j] ) ); + if( d < dist ) + { + dist = d; + idx = j; + } + } + + // save the index + closest[i] = ( u8 )idx; + + // accumulate the error + error += dist; + } + + // save this scheme if it wins + if( error < m_besterror ) + { + // remap the indices + u8 indices[16]; + m_colours->RemapIndices( closest, indices ); + + // save the block + WriteColourBlock4( m_start, m_end, indices, block ); + + // save the error + m_besterror = error; + } } } // namespace squish diff --git a/thirdparty/squish/rangefit.h b/thirdparty/squish/rangefit.h index 795201993a..bdb21a9007 100644 --- a/thirdparty/squish/rangefit.h +++ b/thirdparty/squish/rangefit.h @@ -1,32 +1,32 @@ /* ----------------------------------------------------------------------------- - Copyright (c) 2006 Simon Brown si@sjbrown.co.uk - - Permission is hereby granted, free of charge, to any person obtaining - a copy of this software and associated documentation files (the - "Software"), to deal in the Software without restriction, including - without limitation the rights to use, copy, modify, merge, publish, - distribute, sublicense, and/or sell copies of the Software, and to - permit persons to whom the Software is furnished to do so, subject to - the following conditions: - - The above copyright notice and this permission notice shall be included - in all copies or substantial portions of the Software. - - THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY - CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - + Copyright (c) 2006 Simon Brown si@sjbrown.co.uk + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + "Software"), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + -------------------------------------------------------------------------- */ - + #ifndef SQUISH_RANGEFIT_H #define SQUISH_RANGEFIT_H -#include <squish.h> +#include "squish.h" #include "colourfit.h" #include "maths.h" @@ -37,16 +37,16 @@ class ColourSet; class RangeFit : public ColourFit { public: - RangeFit( ColourSet const* colours, int flags ); - + RangeFit( ColourSet const* colours, int flags, float* metric ); + private: - virtual void Compress3( void* block ); - virtual void Compress4( void* block ); - - Vec3 m_metric; - Vec3 m_start; - Vec3 m_end; - float m_besterror; + virtual void Compress3( void* block ); + virtual void Compress4( void* block ); + + Vec3 m_metric; + Vec3 m_start; + Vec3 m_end; + float m_besterror; }; } // squish diff --git a/thirdparty/squish/simd.h b/thirdparty/squish/simd.h index 22bd10a460..1e02fa160e 100644 --- a/thirdparty/squish/simd.h +++ b/thirdparty/squish/simd.h @@ -1,28 +1,28 @@ /* ----------------------------------------------------------------------------- - Copyright (c) 2006 Simon Brown si@sjbrown.co.uk - - Permission is hereby granted, free of charge, to any person obtaining - a copy of this software and associated documentation files (the - "Software"), to deal in the Software without restriction, including - without limitation the rights to use, copy, modify, merge, publish, - distribute, sublicense, and/or sell copies of the Software, and to - permit persons to whom the Software is furnished to do so, subject to - the following conditions: - - The above copyright notice and this permission notice shall be included - in all copies or substantial portions of the Software. - - THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY - CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - + Copyright (c) 2006 Simon Brown si@sjbrown.co.uk + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + "Software"), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + -------------------------------------------------------------------------- */ - + #ifndef SQUISH_SIMD_H #define SQUISH_SIMD_H diff --git a/thirdparty/squish/simd_float.h b/thirdparty/squish/simd_float.h index e6351b80eb..030ea70950 100644 --- a/thirdparty/squish/simd_float.h +++ b/thirdparty/squish/simd_float.h @@ -1,28 +1,28 @@ /* ----------------------------------------------------------------------------- - Copyright (c) 2006 Simon Brown si@sjbrown.co.uk - - Permission is hereby granted, free of charge, to any person obtaining - a copy of this software and associated documentation files (the - "Software"), to deal in the Software without restriction, including - without limitation the rights to use, copy, modify, merge, publish, - distribute, sublicense, and/or sell copies of the Software, and to - permit persons to whom the Software is furnished to do so, subject to - the following conditions: - - The above copyright notice and this permission notice shall be included - in all copies or substantial portions of the Software. - - THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY - CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - + Copyright (c) 2006 Simon Brown si@sjbrown.co.uk + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + "Software"), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + -------------------------------------------------------------------------- */ - + #ifndef SQUISH_SIMD_FLOAT_H #define SQUISH_SIMD_FLOAT_H @@ -35,146 +35,146 @@ namespace squish { class Vec4 { public: - typedef Vec4 const& Arg; - - Vec4() {} - - explicit Vec4( float s ) - : m_x( s ), - m_y( s ), - m_z( s ), - m_w( s ) - { - } - - Vec4( float x, float y, float z, float w ) - : m_x( x ), - m_y( y ), - m_z( z ), - m_w( w ) - { - } - - Vec3 GetVec3() const - { - return Vec3( m_x, m_y, m_z ); - } - - Vec4 SplatX() const { return Vec4( m_x ); } - Vec4 SplatY() const { return Vec4( m_y ); } - Vec4 SplatZ() const { return Vec4( m_z ); } - Vec4 SplatW() const { return Vec4( m_w ); } - - Vec4& operator+=( Arg v ) - { - m_x += v.m_x; - m_y += v.m_y; - m_z += v.m_z; - m_w += v.m_w; - return *this; - } - - Vec4& operator-=( Arg v ) - { - m_x -= v.m_x; - m_y -= v.m_y; - m_z -= v.m_z; - m_w -= v.m_w; - return *this; - } - - Vec4& operator*=( Arg v ) - { - m_x *= v.m_x; - m_y *= v.m_y; - m_z *= v.m_z; - m_w *= v.m_w; - return *this; - } - - friend Vec4 operator+( Vec4::Arg left, Vec4::Arg right ) - { - Vec4 copy( left ); - return copy += right; - } - - friend Vec4 operator-( Vec4::Arg left, Vec4::Arg right ) - { - Vec4 copy( left ); - return copy -= right; - } - - friend Vec4 operator*( Vec4::Arg left, Vec4::Arg right ) - { - Vec4 copy( left ); - return copy *= right; - } - - //! Returns a*b + c - friend Vec4 MultiplyAdd( Vec4::Arg a, Vec4::Arg b, Vec4::Arg c ) - { - return a*b + c; - } - - //! Returns -( a*b - c ) - friend Vec4 NegativeMultiplySubtract( Vec4::Arg a, Vec4::Arg b, Vec4::Arg c ) - { - return c - a*b; - } - - friend Vec4 Reciprocal( Vec4::Arg v ) - { - return Vec4( - 1.0f/v.m_x, - 1.0f/v.m_y, - 1.0f/v.m_z, - 1.0f/v.m_w - ); - } - - friend Vec4 Min( Vec4::Arg left, Vec4::Arg right ) - { - return Vec4( - std::min( left.m_x, right.m_x ), - std::min( left.m_y, right.m_y ), - std::min( left.m_z, right.m_z ), - std::min( left.m_w, right.m_w ) - ); - } - - friend Vec4 Max( Vec4::Arg left, Vec4::Arg right ) - { - return Vec4( - std::max( left.m_x, right.m_x ), - std::max( left.m_y, right.m_y ), - std::max( left.m_z, right.m_z ), - std::max( left.m_w, right.m_w ) - ); - } - - friend Vec4 Truncate( Vec4::Arg v ) - { - return Vec4( - v.m_x > 0.0f ? std::floor( v.m_x ) : std::ceil( v.m_x ), - v.m_y > 0.0f ? std::floor( v.m_y ) : std::ceil( v.m_y ), - v.m_z > 0.0f ? std::floor( v.m_z ) : std::ceil( v.m_z ), - v.m_w > 0.0f ? std::floor( v.m_w ) : std::ceil( v.m_w ) - ); - } - - friend bool CompareAnyLessThan( Vec4::Arg left, Vec4::Arg right ) - { - return left.m_x < right.m_x - || left.m_y < right.m_y - || left.m_z < right.m_z - || left.m_w < right.m_w; - } - + typedef Vec4 const& Arg; + + Vec4() {} + + explicit Vec4( float s ) + : m_x( s ), + m_y( s ), + m_z( s ), + m_w( s ) + { + } + + Vec4( float x, float y, float z, float w ) + : m_x( x ), + m_y( y ), + m_z( z ), + m_w( w ) + { + } + + Vec3 GetVec3() const + { + return Vec3( m_x, m_y, m_z ); + } + + Vec4 SplatX() const { return Vec4( m_x ); } + Vec4 SplatY() const { return Vec4( m_y ); } + Vec4 SplatZ() const { return Vec4( m_z ); } + Vec4 SplatW() const { return Vec4( m_w ); } + + Vec4& operator+=( Arg v ) + { + m_x += v.m_x; + m_y += v.m_y; + m_z += v.m_z; + m_w += v.m_w; + return *this; + } + + Vec4& operator-=( Arg v ) + { + m_x -= v.m_x; + m_y -= v.m_y; + m_z -= v.m_z; + m_w -= v.m_w; + return *this; + } + + Vec4& operator*=( Arg v ) + { + m_x *= v.m_x; + m_y *= v.m_y; + m_z *= v.m_z; + m_w *= v.m_w; + return *this; + } + + friend Vec4 operator+( Vec4::Arg left, Vec4::Arg right ) + { + Vec4 copy( left ); + return copy += right; + } + + friend Vec4 operator-( Vec4::Arg left, Vec4::Arg right ) + { + Vec4 copy( left ); + return copy -= right; + } + + friend Vec4 operator*( Vec4::Arg left, Vec4::Arg right ) + { + Vec4 copy( left ); + return copy *= right; + } + + //! Returns a*b + c + friend Vec4 MultiplyAdd( Vec4::Arg a, Vec4::Arg b, Vec4::Arg c ) + { + return a*b + c; + } + + //! Returns -( a*b - c ) + friend Vec4 NegativeMultiplySubtract( Vec4::Arg a, Vec4::Arg b, Vec4::Arg c ) + { + return c - a*b; + } + + friend Vec4 Reciprocal( Vec4::Arg v ) + { + return Vec4( + 1.0f/v.m_x, + 1.0f/v.m_y, + 1.0f/v.m_z, + 1.0f/v.m_w + ); + } + + friend Vec4 Min( Vec4::Arg left, Vec4::Arg right ) + { + return Vec4( + std::min( left.m_x, right.m_x ), + std::min( left.m_y, right.m_y ), + std::min( left.m_z, right.m_z ), + std::min( left.m_w, right.m_w ) + ); + } + + friend Vec4 Max( Vec4::Arg left, Vec4::Arg right ) + { + return Vec4( + std::max( left.m_x, right.m_x ), + std::max( left.m_y, right.m_y ), + std::max( left.m_z, right.m_z ), + std::max( left.m_w, right.m_w ) + ); + } + + friend Vec4 Truncate( Vec4::Arg v ) + { + return Vec4( + v.m_x > 0.0f ? std::floor( v.m_x ) : std::ceil( v.m_x ), + v.m_y > 0.0f ? std::floor( v.m_y ) : std::ceil( v.m_y ), + v.m_z > 0.0f ? std::floor( v.m_z ) : std::ceil( v.m_z ), + v.m_w > 0.0f ? std::floor( v.m_w ) : std::ceil( v.m_w ) + ); + } + + friend bool CompareAnyLessThan( Vec4::Arg left, Vec4::Arg right ) + { + return left.m_x < right.m_x + || left.m_y < right.m_y + || left.m_z < right.m_z + || left.m_w < right.m_w; + } + private: - float m_x; - float m_y; - float m_z; - float m_w; + float m_x; + float m_y; + float m_z; + float m_w; }; } // namespace squish diff --git a/thirdparty/squish/simd_sse.h b/thirdparty/squish/simd_sse.h index e584f2a0e5..2e8be4ca7b 100644 --- a/thirdparty/squish/simd_sse.h +++ b/thirdparty/squish/simd_sse.h @@ -1,28 +1,28 @@ /* ----------------------------------------------------------------------------- - Copyright (c) 2006 Simon Brown si@sjbrown.co.uk - - Permission is hereby granted, free of charge, to any person obtaining - a copy of this software and associated documentation files (the - "Software"), to deal in the Software without restriction, including - without limitation the rights to use, copy, modify, merge, publish, - distribute, sublicense, and/or sell copies of the Software, and to - permit persons to whom the Software is furnished to do so, subject to - the following conditions: - - The above copyright notice and this permission notice shall be included - in all copies or substantial portions of the Software. - - THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY - CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - + Copyright (c) 2006 Simon Brown si@sjbrown.co.uk + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + "Software"), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + -------------------------------------------------------------------------- */ - + #ifndef SQUISH_SIMD_SSE_H #define SQUISH_SIMD_SSE_H @@ -31,11 +31,11 @@ #include <emmintrin.h> #endif -#define SQUISH_SSE_SPLAT( a ) \ - ( ( a ) | ( ( a ) << 2 ) | ( ( a ) << 4 ) | ( ( a ) << 6 ) ) +#define SQUISH_SSE_SPLAT( a ) \ + ( ( a ) | ( ( a ) << 2 ) | ( ( a ) << 4 ) | ( ( a ) << 6 ) ) -#define SQUISH_SSE_SHUF( x, y, z, w ) \ - ( ( x ) | ( ( y ) << 2 ) | ( ( z ) << 4 ) | ( ( w ) << 6 ) ) +#define SQUISH_SSE_SHUF( x, y, z, w ) \ + ( ( x ) | ( ( y ) << 2 ) | ( ( z ) << 4 ) | ( ( w ) << 6 ) ) namespace squish { @@ -44,135 +44,135 @@ namespace squish { class Vec4 { public: - typedef Vec4 const& Arg; - - Vec4() {} - - explicit Vec4( __m128 v ) : m_v( v ) {} - - Vec4( Vec4 const& arg ) : m_v( arg.m_v ) {} - - Vec4& operator=( Vec4 const& arg ) - { - m_v = arg.m_v; - return *this; - } - - explicit Vec4( float s ) : m_v( _mm_set1_ps( s ) ) {} - - Vec4( float x, float y, float z, float w ) : m_v( _mm_setr_ps( x, y, z, w ) ) {} - - Vec3 GetVec3() const - { + typedef Vec4 const& Arg; + + Vec4() {} + + explicit Vec4( __m128 v ) : m_v( v ) {} + + Vec4( Vec4 const& arg ) : m_v( arg.m_v ) {} + + Vec4& operator=( Vec4 const& arg ) + { + m_v = arg.m_v; + return *this; + } + + explicit Vec4( float s ) : m_v( _mm_set1_ps( s ) ) {} + + Vec4( float x, float y, float z, float w ) : m_v( _mm_setr_ps( x, y, z, w ) ) {} + + Vec3 GetVec3() const + { #ifdef __GNUC__ - __attribute__ ((__aligned__ (16))) float c[4]; + __attribute__ ((__aligned__ (16))) float c[4]; #else - __declspec(align(16)) float c[4]; + __declspec(align(16)) float c[4]; #endif - _mm_store_ps( c, m_v ); - return Vec3( c[0], c[1], c[2] ); - } - - Vec4 SplatX() const { return Vec4( _mm_shuffle_ps( m_v, m_v, SQUISH_SSE_SPLAT( 0 ) ) ); } - Vec4 SplatY() const { return Vec4( _mm_shuffle_ps( m_v, m_v, SQUISH_SSE_SPLAT( 1 ) ) ); } - Vec4 SplatZ() const { return Vec4( _mm_shuffle_ps( m_v, m_v, SQUISH_SSE_SPLAT( 2 ) ) ); } - Vec4 SplatW() const { return Vec4( _mm_shuffle_ps( m_v, m_v, SQUISH_SSE_SPLAT( 3 ) ) ); } - - Vec4& operator+=( Arg v ) - { - m_v = _mm_add_ps( m_v, v.m_v ); - return *this; - } - - Vec4& operator-=( Arg v ) - { - m_v = _mm_sub_ps( m_v, v.m_v ); - return *this; - } - - Vec4& operator*=( Arg v ) - { - m_v = _mm_mul_ps( m_v, v.m_v ); - return *this; - } - - friend Vec4 operator+( Vec4::Arg left, Vec4::Arg right ) - { - return Vec4( _mm_add_ps( left.m_v, right.m_v ) ); - } - - friend Vec4 operator-( Vec4::Arg left, Vec4::Arg right ) - { - return Vec4( _mm_sub_ps( left.m_v, right.m_v ) ); - } - - friend Vec4 operator*( Vec4::Arg left, Vec4::Arg right ) - { - return Vec4( _mm_mul_ps( left.m_v, right.m_v ) ); - } - - //! Returns a*b + c - friend Vec4 MultiplyAdd( Vec4::Arg a, Vec4::Arg b, Vec4::Arg c ) - { - return Vec4( _mm_add_ps( _mm_mul_ps( a.m_v, b.m_v ), c.m_v ) ); - } - - //! Returns -( a*b - c ) - friend Vec4 NegativeMultiplySubtract( Vec4::Arg a, Vec4::Arg b, Vec4::Arg c ) - { - return Vec4( _mm_sub_ps( c.m_v, _mm_mul_ps( a.m_v, b.m_v ) ) ); - } - - friend Vec4 Reciprocal( Vec4::Arg v ) - { - // get the reciprocal estimate - __m128 estimate = _mm_rcp_ps( v.m_v ); - - // one round of Newton-Rhaphson refinement - __m128 diff = _mm_sub_ps( _mm_set1_ps( 1.0f ), _mm_mul_ps( estimate, v.m_v ) ); - return Vec4( _mm_add_ps( _mm_mul_ps( diff, estimate ), estimate ) ); - } - - friend Vec4 Min( Vec4::Arg left, Vec4::Arg right ) - { - return Vec4( _mm_min_ps( left.m_v, right.m_v ) ); - } - - friend Vec4 Max( Vec4::Arg left, Vec4::Arg right ) - { - return Vec4( _mm_max_ps( left.m_v, right.m_v ) ); - } - - friend Vec4 Truncate( Vec4::Arg v ) - { + _mm_store_ps( c, m_v ); + return Vec3( c[0], c[1], c[2] ); + } + + Vec4 SplatX() const { return Vec4( _mm_shuffle_ps( m_v, m_v, SQUISH_SSE_SPLAT( 0 ) ) ); } + Vec4 SplatY() const { return Vec4( _mm_shuffle_ps( m_v, m_v, SQUISH_SSE_SPLAT( 1 ) ) ); } + Vec4 SplatZ() const { return Vec4( _mm_shuffle_ps( m_v, m_v, SQUISH_SSE_SPLAT( 2 ) ) ); } + Vec4 SplatW() const { return Vec4( _mm_shuffle_ps( m_v, m_v, SQUISH_SSE_SPLAT( 3 ) ) ); } + + Vec4& operator+=( Arg v ) + { + m_v = _mm_add_ps( m_v, v.m_v ); + return *this; + } + + Vec4& operator-=( Arg v ) + { + m_v = _mm_sub_ps( m_v, v.m_v ); + return *this; + } + + Vec4& operator*=( Arg v ) + { + m_v = _mm_mul_ps( m_v, v.m_v ); + return *this; + } + + friend Vec4 operator+( Vec4::Arg left, Vec4::Arg right ) + { + return Vec4( _mm_add_ps( left.m_v, right.m_v ) ); + } + + friend Vec4 operator-( Vec4::Arg left, Vec4::Arg right ) + { + return Vec4( _mm_sub_ps( left.m_v, right.m_v ) ); + } + + friend Vec4 operator*( Vec4::Arg left, Vec4::Arg right ) + { + return Vec4( _mm_mul_ps( left.m_v, right.m_v ) ); + } + + //! Returns a*b + c + friend Vec4 MultiplyAdd( Vec4::Arg a, Vec4::Arg b, Vec4::Arg c ) + { + return Vec4( _mm_add_ps( _mm_mul_ps( a.m_v, b.m_v ), c.m_v ) ); + } + + //! Returns -( a*b - c ) + friend Vec4 NegativeMultiplySubtract( Vec4::Arg a, Vec4::Arg b, Vec4::Arg c ) + { + return Vec4( _mm_sub_ps( c.m_v, _mm_mul_ps( a.m_v, b.m_v ) ) ); + } + + friend Vec4 Reciprocal( Vec4::Arg v ) + { + // get the reciprocal estimate + __m128 estimate = _mm_rcp_ps( v.m_v ); + + // one round of Newton-Rhaphson refinement + __m128 diff = _mm_sub_ps( _mm_set1_ps( 1.0f ), _mm_mul_ps( estimate, v.m_v ) ); + return Vec4( _mm_add_ps( _mm_mul_ps( diff, estimate ), estimate ) ); + } + + friend Vec4 Min( Vec4::Arg left, Vec4::Arg right ) + { + return Vec4( _mm_min_ps( left.m_v, right.m_v ) ); + } + + friend Vec4 Max( Vec4::Arg left, Vec4::Arg right ) + { + return Vec4( _mm_max_ps( left.m_v, right.m_v ) ); + } + + friend Vec4 Truncate( Vec4::Arg v ) + { #if ( SQUISH_USE_SSE == 1 ) - // convert to ints - __m128 input = v.m_v; - __m64 lo = _mm_cvttps_pi32( input ); - __m64 hi = _mm_cvttps_pi32( _mm_movehl_ps( input, input ) ); - - // convert to floats - __m128 part = _mm_movelh_ps( input, _mm_cvtpi32_ps( input, hi ) ); - __m128 truncated = _mm_cvtpi32_ps( part, lo ); - - // clear out the MMX multimedia state to allow FP calls later - _mm_empty(); - return Vec4( truncated ); + // convert to ints + __m128 input = v.m_v; + __m64 lo = _mm_cvttps_pi32( input ); + __m64 hi = _mm_cvttps_pi32( _mm_movehl_ps( input, input ) ); + + // convert to floats + __m128 part = _mm_movelh_ps( input, _mm_cvtpi32_ps( input, hi ) ); + __m128 truncated = _mm_cvtpi32_ps( part, lo ); + + // clear out the MMX multimedia state to allow FP calls later + _mm_empty(); + return Vec4( truncated ); #else - // use SSE2 instructions - return Vec4( _mm_cvtepi32_ps( _mm_cvttps_epi32( v.m_v ) ) ); + // use SSE2 instructions + return Vec4( _mm_cvtepi32_ps( _mm_cvttps_epi32( v.m_v ) ) ); #endif - } - - friend bool CompareAnyLessThan( Vec4::Arg left, Vec4::Arg right ) - { - __m128 bits = _mm_cmplt_ps( left.m_v, right.m_v ); - int value = _mm_movemask_ps( bits ); - return value != 0; - } - + } + + friend bool CompareAnyLessThan( Vec4::Arg left, Vec4::Arg right ) + { + __m128 bits = _mm_cmplt_ps( left.m_v, right.m_v ); + int value = _mm_movemask_ps( bits ); + return value != 0; + } + private: - __m128 m_v; + __m128 m_v; }; } // namespace squish diff --git a/thirdparty/squish/simd_ve.h b/thirdparty/squish/simd_ve.h index 9a33955ffc..08a1537503 100644 --- a/thirdparty/squish/simd_ve.h +++ b/thirdparty/squish/simd_ve.h @@ -1,28 +1,28 @@ /* ----------------------------------------------------------------------------- - Copyright (c) 2006 Simon Brown si@sjbrown.co.uk - - Permission is hereby granted, free of charge, to any person obtaining - a copy of this software and associated documentation files (the - "Software"), to deal in the Software without restriction, including - without limitation the rights to use, copy, modify, merge, publish, - distribute, sublicense, and/or sell copies of the Software, and to - permit persons to whom the Software is furnished to do so, subject to - the following conditions: - - The above copyright notice and this permission notice shall be included - in all copies or substantial portions of the Software. - - THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY - CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - + Copyright (c) 2006 Simon Brown si@sjbrown.co.uk + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + "Software"), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + -------------------------------------------------------------------------- */ - + #ifndef SQUISH_SIMD_VE_H #define SQUISH_SIMD_VE_H @@ -31,134 +31,134 @@ namespace squish { -#define VEC4_CONST( X ) Vec4( ( vector float )( X ) ) +#define VEC4_CONST( X ) Vec4( ( vector float ){ X } ) class Vec4 { public: - typedef Vec4 Arg; - - Vec4() {} - - explicit Vec4( vector float v ) : m_v( v ) {} - - Vec4( Vec4 const& arg ) : m_v( arg.m_v ) {} - - Vec4& operator=( Vec4 const& arg ) - { - m_v = arg.m_v; - return *this; - } - - explicit Vec4( float s ) - { - union { vector float v; float c[4]; } u; - u.c[0] = s; - u.c[1] = s; - u.c[2] = s; - u.c[3] = s; - m_v = u.v; - } - - Vec4( float x, float y, float z, float w ) - { - union { vector float v; float c[4]; } u; - u.c[0] = x; - u.c[1] = y; - u.c[2] = z; - u.c[3] = w; - m_v = u.v; - } - - Vec3 GetVec3() const - { - union { vector float v; float c[4]; } u; - u.v = m_v; - return Vec3( u.c[0], u.c[1], u.c[2] ); - } - - Vec4 SplatX() const { return Vec4( vec_splat( m_v, 0 ) ); } - Vec4 SplatY() const { return Vec4( vec_splat( m_v, 1 ) ); } - Vec4 SplatZ() const { return Vec4( vec_splat( m_v, 2 ) ); } - Vec4 SplatW() const { return Vec4( vec_splat( m_v, 3 ) ); } - - Vec4& operator+=( Arg v ) - { - m_v = vec_add( m_v, v.m_v ); - return *this; - } - - Vec4& operator-=( Arg v ) - { - m_v = vec_sub( m_v, v.m_v ); - return *this; - } - - Vec4& operator*=( Arg v ) - { - m_v = vec_madd( m_v, v.m_v, ( vector float )( -0.0f ) ); - return *this; - } - - friend Vec4 operator+( Vec4::Arg left, Vec4::Arg right ) - { - return Vec4( vec_add( left.m_v, right.m_v ) ); - } - - friend Vec4 operator-( Vec4::Arg left, Vec4::Arg right ) - { - return Vec4( vec_sub( left.m_v, right.m_v ) ); - } - - friend Vec4 operator*( Vec4::Arg left, Vec4::Arg right ) - { - return Vec4( vec_madd( left.m_v, right.m_v, ( vector float )( -0.0f ) ) ); - } - - //! Returns a*b + c - friend Vec4 MultiplyAdd( Vec4::Arg a, Vec4::Arg b, Vec4::Arg c ) - { - return Vec4( vec_madd( a.m_v, b.m_v, c.m_v ) ); - } - - //! Returns -( a*b - c ) - friend Vec4 NegativeMultiplySubtract( Vec4::Arg a, Vec4::Arg b, Vec4::Arg c ) - { - return Vec4( vec_nmsub( a.m_v, b.m_v, c.m_v ) ); - } - - friend Vec4 Reciprocal( Vec4::Arg v ) - { - // get the reciprocal estimate - vector float estimate = vec_re( v.m_v ); - - // one round of Newton-Rhaphson refinement - vector float diff = vec_nmsub( estimate, v.m_v, ( vector float )( 1.0f ) ); - return Vec4( vec_madd( diff, estimate, estimate ) ); - } - - friend Vec4 Min( Vec4::Arg left, Vec4::Arg right ) - { - return Vec4( vec_min( left.m_v, right.m_v ) ); - } - - friend Vec4 Max( Vec4::Arg left, Vec4::Arg right ) - { - return Vec4( vec_max( left.m_v, right.m_v ) ); - } - - friend Vec4 Truncate( Vec4::Arg v ) - { - return Vec4( vec_trunc( v.m_v ) ); - } - - friend bool CompareAnyLessThan( Vec4::Arg left, Vec4::Arg right ) - { - return vec_any_lt( left.m_v, right.m_v ) != 0; - } - + typedef Vec4 Arg; + + Vec4() {} + + explicit Vec4( vector float v ) : m_v( v ) {} + + Vec4( Vec4 const& arg ) : m_v( arg.m_v ) {} + + Vec4& operator=( Vec4 const& arg ) + { + m_v = arg.m_v; + return *this; + } + + explicit Vec4( float s ) + { + union { vector float v; float c[4]; } u; + u.c[0] = s; + u.c[1] = s; + u.c[2] = s; + u.c[3] = s; + m_v = u.v; + } + + Vec4( float x, float y, float z, float w ) + { + union { vector float v; float c[4]; } u; + u.c[0] = x; + u.c[1] = y; + u.c[2] = z; + u.c[3] = w; + m_v = u.v; + } + + Vec3 GetVec3() const + { + union { vector float v; float c[4]; } u; + u.v = m_v; + return Vec3( u.c[0], u.c[1], u.c[2] ); + } + + Vec4 SplatX() const { return Vec4( vec_splat( m_v, 0 ) ); } + Vec4 SplatY() const { return Vec4( vec_splat( m_v, 1 ) ); } + Vec4 SplatZ() const { return Vec4( vec_splat( m_v, 2 ) ); } + Vec4 SplatW() const { return Vec4( vec_splat( m_v, 3 ) ); } + + Vec4& operator+=( Arg v ) + { + m_v = vec_add( m_v, v.m_v ); + return *this; + } + + Vec4& operator-=( Arg v ) + { + m_v = vec_sub( m_v, v.m_v ); + return *this; + } + + Vec4& operator*=( Arg v ) + { + m_v = vec_madd( m_v, v.m_v, ( vector float ){ -0.0f } ); + return *this; + } + + friend Vec4 operator+( Vec4::Arg left, Vec4::Arg right ) + { + return Vec4( vec_add( left.m_v, right.m_v ) ); + } + + friend Vec4 operator-( Vec4::Arg left, Vec4::Arg right ) + { + return Vec4( vec_sub( left.m_v, right.m_v ) ); + } + + friend Vec4 operator*( Vec4::Arg left, Vec4::Arg right ) + { + return Vec4( vec_madd( left.m_v, right.m_v, ( vector float ){ -0.0f } ) ); + } + + //! Returns a*b + c + friend Vec4 MultiplyAdd( Vec4::Arg a, Vec4::Arg b, Vec4::Arg c ) + { + return Vec4( vec_madd( a.m_v, b.m_v, c.m_v ) ); + } + + //! Returns -( a*b - c ) + friend Vec4 NegativeMultiplySubtract( Vec4::Arg a, Vec4::Arg b, Vec4::Arg c ) + { + return Vec4( vec_nmsub( a.m_v, b.m_v, c.m_v ) ); + } + + friend Vec4 Reciprocal( Vec4::Arg v ) + { + // get the reciprocal estimate + vector float estimate = vec_re( v.m_v ); + + // one round of Newton-Rhaphson refinement + vector float diff = vec_nmsub( estimate, v.m_v, ( vector float ){ 1.0f } ); + return Vec4( vec_madd( diff, estimate, estimate ) ); + } + + friend Vec4 Min( Vec4::Arg left, Vec4::Arg right ) + { + return Vec4( vec_min( left.m_v, right.m_v ) ); + } + + friend Vec4 Max( Vec4::Arg left, Vec4::Arg right ) + { + return Vec4( vec_max( left.m_v, right.m_v ) ); + } + + friend Vec4 Truncate( Vec4::Arg v ) + { + return Vec4( vec_trunc( v.m_v ) ); + } + + friend bool CompareAnyLessThan( Vec4::Arg left, Vec4::Arg right ) + { + return vec_any_lt( left.m_v, right.m_v ) != 0; + } + private: - vector float m_v; + vector float m_v; }; } // namespace squish diff --git a/thirdparty/squish/singlecolourfit.cpp b/thirdparty/squish/singlecolourfit.cpp index bd02cc41ab..cef0ebc410 100644 --- a/thirdparty/squish/singlecolourfit.cpp +++ b/thirdparty/squish/singlecolourfit.cpp @@ -1,173 +1,172 @@ /* ----------------------------------------------------------------------------- - Copyright (c) 2006 Simon Brown si@sjbrown.co.uk - - Permission is hereby granted, free of charge, to any person obtaining - a copy of this software and associated documentation files (the - "Software"), to deal in the Software without restriction, including - without limitation the rights to use, copy, modify, merge, publish, - distribute, sublicense, and/or sell copies of the Software, and to - permit persons to whom the Software is furnished to do so, subject to - the following conditions: - - The above copyright notice and this permission notice shall be included - in all copies or substantial portions of the Software. - - THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY - CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - + Copyright (c) 2006 Simon Brown si@sjbrown.co.uk + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + "Software"), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + -------------------------------------------------------------------------- */ - + #include "singlecolourfit.h" #include "colourset.h" #include "colourblock.h" -#include <climits> namespace squish { struct SourceBlock { - u8 start; - u8 end; - u8 error; + u8 start; + u8 end; + u8 error; }; struct SingleColourLookup { - SourceBlock sources[2]; + SourceBlock sources[2]; }; #include "singlecolourlookup.inl" static int FloatToInt( float a, int limit ) { - // use ANSI round-to-zero behaviour to get round-to-nearest - int i = ( int )( a + 0.5f ); + // use ANSI round-to-zero behaviour to get round-to-nearest + int i = ( int )( a + 0.5f ); - // clamp to the limit - if( i < 0 ) - i = 0; - else if( i > limit ) - i = limit; + // clamp to the limit + if( i < 0 ) + i = 0; + else if( i > limit ) + i = limit; - // done - return i; + // done + return i; } SingleColourFit::SingleColourFit( ColourSet const* colours, int flags ) : ColourFit( colours, flags ) { - // grab the single colour - Vec3 const* values = m_colours->GetPoints(); - m_colour[0] = ( u8 )FloatToInt( 255.0f*values->X(), 255 ); - m_colour[1] = ( u8 )FloatToInt( 255.0f*values->Y(), 255 ); - m_colour[2] = ( u8 )FloatToInt( 255.0f*values->Z(), 255 ); - - // initialise the best error - m_besterror = INT_MAX; + // grab the single colour + Vec3 const* values = m_colours->GetPoints(); + m_colour[0] = ( u8 )FloatToInt( 255.0f*values->X(), 255 ); + m_colour[1] = ( u8 )FloatToInt( 255.0f*values->Y(), 255 ); + m_colour[2] = ( u8 )FloatToInt( 255.0f*values->Z(), 255 ); + + // initialise the best error + m_besterror = INT_MAX; } void SingleColourFit::Compress3( void* block ) { - // build the table of lookups - SingleColourLookup const* const lookups[] = - { - lookup_5_3, - lookup_6_3, - lookup_5_3 - }; - - // find the best end-points and index - ComputeEndPoints( lookups ); - - // build the block if we win - if( m_error < m_besterror ) - { - // remap the indices - u8 indices[16]; - m_colours->RemapIndices( &m_index, indices ); - - // save the block - WriteColourBlock3( m_start, m_end, indices, block ); - - // save the error - m_besterror = m_error; - } + // build the table of lookups + SingleColourLookup const* const lookups[] = + { + lookup_5_3, + lookup_6_3, + lookup_5_3 + }; + + // find the best end-points and index + ComputeEndPoints( lookups ); + + // build the block if we win + if( m_error < m_besterror ) + { + // remap the indices + u8 indices[16]; + m_colours->RemapIndices( &m_index, indices ); + + // save the block + WriteColourBlock3( m_start, m_end, indices, block ); + + // save the error + m_besterror = m_error; + } } void SingleColourFit::Compress4( void* block ) { - // build the table of lookups - SingleColourLookup const* const lookups[] = - { - lookup_5_4, - lookup_6_4, - lookup_5_4 - }; - - // find the best end-points and index - ComputeEndPoints( lookups ); - - // build the block if we win - if( m_error < m_besterror ) - { - // remap the indices - u8 indices[16]; - m_colours->RemapIndices( &m_index, indices ); - - // save the block - WriteColourBlock4( m_start, m_end, indices, block ); - - // save the error - m_besterror = m_error; - } + // build the table of lookups + SingleColourLookup const* const lookups[] = + { + lookup_5_4, + lookup_6_4, + lookup_5_4 + }; + + // find the best end-points and index + ComputeEndPoints( lookups ); + + // build the block if we win + if( m_error < m_besterror ) + { + // remap the indices + u8 indices[16]; + m_colours->RemapIndices( &m_index, indices ); + + // save the block + WriteColourBlock4( m_start, m_end, indices, block ); + + // save the error + m_besterror = m_error; + } } void SingleColourFit::ComputeEndPoints( SingleColourLookup const* const* lookups ) { - // check each index combination (endpoint or intermediate) - m_error = INT_MAX; - for( int index = 0; index < 2; ++index ) - { - // check the error for this codebook index - SourceBlock const* sources[3]; - int error = 0; - for( int channel = 0; channel < 3; ++channel ) - { - // grab the lookup table and index for this channel - SingleColourLookup const* lookup = lookups[channel]; - int target = m_colour[channel]; - - // store a pointer to the source for this channel - sources[channel] = lookup[target].sources + index; - - // accumulate the error - int diff = sources[channel]->error; - error += diff*diff; - } - - // keep it if the error is lower - if( error < m_error ) - { - m_start = Vec3( - ( float )sources[0]->start/31.0f, - ( float )sources[1]->start/63.0f, - ( float )sources[2]->start/31.0f - ); - m_end = Vec3( - ( float )sources[0]->end/31.0f, - ( float )sources[1]->end/63.0f, - ( float )sources[2]->end/31.0f - ); - m_index = ( u8 )( 2*index ); - m_error = error; - } - } + // check each index combination (endpoint or intermediate) + m_error = INT_MAX; + for( int index = 0; index < 2; ++index ) + { + // check the error for this codebook index + SourceBlock const* sources[3]; + int error = 0; + for( int channel = 0; channel < 3; ++channel ) + { + // grab the lookup table and index for this channel + SingleColourLookup const* lookup = lookups[channel]; + int target = m_colour[channel]; + + // store a pointer to the source for this channel + sources[channel] = lookup[target].sources + index; + + // accumulate the error + int diff = sources[channel]->error; + error += diff*diff; + } + + // keep it if the error is lower + if( error < m_error ) + { + m_start = Vec3( + ( float )sources[0]->start/31.0f, + ( float )sources[1]->start/63.0f, + ( float )sources[2]->start/31.0f + ); + m_end = Vec3( + ( float )sources[0]->end/31.0f, + ( float )sources[1]->end/63.0f, + ( float )sources[2]->end/31.0f + ); + m_index = ( u8 )( 2*index ); + m_error = error; + } + } } } // namespace squish diff --git a/thirdparty/squish/singlecolourfit.h b/thirdparty/squish/singlecolourfit.h index 0388fda028..974ce77256 100644 --- a/thirdparty/squish/singlecolourfit.h +++ b/thirdparty/squish/singlecolourfit.h @@ -1,32 +1,32 @@ /* ----------------------------------------------------------------------------- - Copyright (c) 2006 Simon Brown si@sjbrown.co.uk - - Permission is hereby granted, free of charge, to any person obtaining - a copy of this software and associated documentation files (the - "Software"), to deal in the Software without restriction, including - without limitation the rights to use, copy, modify, merge, publish, - distribute, sublicense, and/or sell copies of the Software, and to - permit persons to whom the Software is furnished to do so, subject to - the following conditions: - - The above copyright notice and this permission notice shall be included - in all copies or substantial portions of the Software. - - THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY - CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - + Copyright (c) 2006 Simon Brown si@sjbrown.co.uk + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + "Software"), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + -------------------------------------------------------------------------- */ - + #ifndef SQUISH_SINGLECOLOURFIT_H #define SQUISH_SINGLECOLOURFIT_H -#include <squish.h> +#include "squish.h" #include "colourfit.h" namespace squish { @@ -37,20 +37,20 @@ struct SingleColourLookup; class SingleColourFit : public ColourFit { public: - SingleColourFit( ColourSet const* colours, int flags ); - + SingleColourFit( ColourSet const* colours, int flags ); + private: - virtual void Compress3( void* block ); - virtual void Compress4( void* block ); - - void ComputeEndPoints( SingleColourLookup const* const* lookups ); - - u8 m_colour[3]; - Vec3 m_start; - Vec3 m_end; - u8 m_index; - int m_error; - int m_besterror; + virtual void Compress3( void* block ); + virtual void Compress4( void* block ); + + void ComputeEndPoints( SingleColourLookup const* const* lookups ); + + u8 m_colour[3]; + Vec3 m_start; + Vec3 m_end; + u8 m_index; + int m_error; + int m_besterror; }; } // namespace squish diff --git a/thirdparty/squish/singlecolourlookup.inl b/thirdparty/squish/singlecolourlookup.inl index f1c95a1028..5b44a1e5e6 100644 --- a/thirdparty/squish/singlecolourlookup.inl +++ b/thirdparty/squish/singlecolourlookup.inl @@ -1,1040 +1,1064 @@ +/* ----------------------------------------------------------------------------- -static SingleColourLookup const lookup_5_3[] = + Copyright (c) 2006 Simon Brown si@sjbrown.co.uk + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + "Software"), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + + -------------------------------------------------------------------------- */ + +static SingleColourLookup const lookup_5_3[] = { - { { { 0, 0, 0 }, { 0, 0, 0 } } }, - { { { 0, 0, 1 }, { 0, 0, 1 } } }, - { { { 0, 0, 2 }, { 0, 0, 2 } } }, - { { { 0, 0, 3 }, { 0, 1, 1 } } }, - { { { 0, 0, 4 }, { 0, 1, 0 } } }, - { { { 1, 0, 3 }, { 0, 1, 1 } } }, - { { { 1, 0, 2 }, { 0, 1, 2 } } }, - { { { 1, 0, 1 }, { 0, 2, 1 } } }, - { { { 1, 0, 0 }, { 0, 2, 0 } } }, - { { { 1, 0, 1 }, { 0, 2, 1 } } }, - { { { 1, 0, 2 }, { 0, 2, 2 } } }, - { { { 1, 0, 3 }, { 0, 3, 1 } } }, - { { { 1, 0, 4 }, { 0, 3, 0 } } }, - { { { 2, 0, 3 }, { 0, 3, 1 } } }, - { { { 2, 0, 2 }, { 0, 3, 2 } } }, - { { { 2, 0, 1 }, { 0, 4, 1 } } }, - { { { 2, 0, 0 }, { 0, 4, 0 } } }, - { { { 2, 0, 1 }, { 0, 4, 1 } } }, - { { { 2, 0, 2 }, { 0, 4, 2 } } }, - { { { 2, 0, 3 }, { 0, 5, 1 } } }, - { { { 2, 0, 4 }, { 0, 5, 0 } } }, - { { { 3, 0, 3 }, { 0, 5, 1 } } }, - { { { 3, 0, 2 }, { 0, 5, 2 } } }, - { { { 3, 0, 1 }, { 0, 6, 1 } } }, - { { { 3, 0, 0 }, { 0, 6, 0 } } }, - { { { 3, 0, 1 }, { 0, 6, 1 } } }, - { { { 3, 0, 2 }, { 0, 6, 2 } } }, - { { { 3, 0, 3 }, { 0, 7, 1 } } }, - { { { 3, 0, 4 }, { 0, 7, 0 } } }, - { { { 4, 0, 4 }, { 0, 7, 1 } } }, - { { { 4, 0, 3 }, { 0, 7, 2 } } }, - { { { 4, 0, 2 }, { 1, 7, 1 } } }, - { { { 4, 0, 1 }, { 1, 7, 0 } } }, - { { { 4, 0, 0 }, { 0, 8, 0 } } }, - { { { 4, 0, 1 }, { 0, 8, 1 } } }, - { { { 4, 0, 2 }, { 2, 7, 1 } } }, - { { { 4, 0, 3 }, { 2, 7, 0 } } }, - { { { 4, 0, 4 }, { 0, 9, 0 } } }, - { { { 5, 0, 3 }, { 0, 9, 1 } } }, - { { { 5, 0, 2 }, { 3, 7, 1 } } }, - { { { 5, 0, 1 }, { 3, 7, 0 } } }, - { { { 5, 0, 0 }, { 0, 10, 0 } } }, - { { { 5, 0, 1 }, { 0, 10, 1 } } }, - { { { 5, 0, 2 }, { 0, 10, 2 } } }, - { { { 5, 0, 3 }, { 0, 11, 1 } } }, - { { { 5, 0, 4 }, { 0, 11, 0 } } }, - { { { 6, 0, 3 }, { 0, 11, 1 } } }, - { { { 6, 0, 2 }, { 0, 11, 2 } } }, - { { { 6, 0, 1 }, { 0, 12, 1 } } }, - { { { 6, 0, 0 }, { 0, 12, 0 } } }, - { { { 6, 0, 1 }, { 0, 12, 1 } } }, - { { { 6, 0, 2 }, { 0, 12, 2 } } }, - { { { 6, 0, 3 }, { 0, 13, 1 } } }, - { { { 6, 0, 4 }, { 0, 13, 0 } } }, - { { { 7, 0, 3 }, { 0, 13, 1 } } }, - { { { 7, 0, 2 }, { 0, 13, 2 } } }, - { { { 7, 0, 1 }, { 0, 14, 1 } } }, - { { { 7, 0, 0 }, { 0, 14, 0 } } }, - { { { 7, 0, 1 }, { 0, 14, 1 } } }, - { { { 7, 0, 2 }, { 0, 14, 2 } } }, - { { { 7, 0, 3 }, { 0, 15, 1 } } }, - { { { 7, 0, 4 }, { 0, 15, 0 } } }, - { { { 8, 0, 4 }, { 0, 15, 1 } } }, - { { { 8, 0, 3 }, { 0, 15, 2 } } }, - { { { 8, 0, 2 }, { 1, 15, 1 } } }, - { { { 8, 0, 1 }, { 1, 15, 0 } } }, - { { { 8, 0, 0 }, { 0, 16, 0 } } }, - { { { 8, 0, 1 }, { 0, 16, 1 } } }, - { { { 8, 0, 2 }, { 2, 15, 1 } } }, - { { { 8, 0, 3 }, { 2, 15, 0 } } }, - { { { 8, 0, 4 }, { 0, 17, 0 } } }, - { { { 9, 0, 3 }, { 0, 17, 1 } } }, - { { { 9, 0, 2 }, { 3, 15, 1 } } }, - { { { 9, 0, 1 }, { 3, 15, 0 } } }, - { { { 9, 0, 0 }, { 0, 18, 0 } } }, - { { { 9, 0, 1 }, { 0, 18, 1 } } }, - { { { 9, 0, 2 }, { 0, 18, 2 } } }, - { { { 9, 0, 3 }, { 0, 19, 1 } } }, - { { { 9, 0, 4 }, { 0, 19, 0 } } }, - { { { 10, 0, 3 }, { 0, 19, 1 } } }, - { { { 10, 0, 2 }, { 0, 19, 2 } } }, - { { { 10, 0, 1 }, { 0, 20, 1 } } }, - { { { 10, 0, 0 }, { 0, 20, 0 } } }, - { { { 10, 0, 1 }, { 0, 20, 1 } } }, - { { { 10, 0, 2 }, { 0, 20, 2 } } }, - { { { 10, 0, 3 }, { 0, 21, 1 } } }, - { { { 10, 0, 4 }, { 0, 21, 0 } } }, - { { { 11, 0, 3 }, { 0, 21, 1 } } }, - { { { 11, 0, 2 }, { 0, 21, 2 } } }, - { { { 11, 0, 1 }, { 0, 22, 1 } } }, - { { { 11, 0, 0 }, { 0, 22, 0 } } }, - { { { 11, 0, 1 }, { 0, 22, 1 } } }, - { { { 11, 0, 2 }, { 0, 22, 2 } } }, - { { { 11, 0, 3 }, { 0, 23, 1 } } }, - { { { 11, 0, 4 }, { 0, 23, 0 } } }, - { { { 12, 0, 4 }, { 0, 23, 1 } } }, - { { { 12, 0, 3 }, { 0, 23, 2 } } }, - { { { 12, 0, 2 }, { 1, 23, 1 } } }, - { { { 12, 0, 1 }, { 1, 23, 0 } } }, - { { { 12, 0, 0 }, { 0, 24, 0 } } }, - { { { 12, 0, 1 }, { 0, 24, 1 } } }, - { { { 12, 0, 2 }, { 2, 23, 1 } } }, - { { { 12, 0, 3 }, { 2, 23, 0 } } }, - { { { 12, 0, 4 }, { 0, 25, 0 } } }, - { { { 13, 0, 3 }, { 0, 25, 1 } } }, - { { { 13, 0, 2 }, { 3, 23, 1 } } }, - { { { 13, 0, 1 }, { 3, 23, 0 } } }, - { { { 13, 0, 0 }, { 0, 26, 0 } } }, - { { { 13, 0, 1 }, { 0, 26, 1 } } }, - { { { 13, 0, 2 }, { 0, 26, 2 } } }, - { { { 13, 0, 3 }, { 0, 27, 1 } } }, - { { { 13, 0, 4 }, { 0, 27, 0 } } }, - { { { 14, 0, 3 }, { 0, 27, 1 } } }, - { { { 14, 0, 2 }, { 0, 27, 2 } } }, - { { { 14, 0, 1 }, { 0, 28, 1 } } }, - { { { 14, 0, 0 }, { 0, 28, 0 } } }, - { { { 14, 0, 1 }, { 0, 28, 1 } } }, - { { { 14, 0, 2 }, { 0, 28, 2 } } }, - { { { 14, 0, 3 }, { 0, 29, 1 } } }, - { { { 14, 0, 4 }, { 0, 29, 0 } } }, - { { { 15, 0, 3 }, { 0, 29, 1 } } }, - { { { 15, 0, 2 }, { 0, 29, 2 } } }, - { { { 15, 0, 1 }, { 0, 30, 1 } } }, - { { { 15, 0, 0 }, { 0, 30, 0 } } }, - { { { 15, 0, 1 }, { 0, 30, 1 } } }, - { { { 15, 0, 2 }, { 0, 30, 2 } } }, - { { { 15, 0, 3 }, { 0, 31, 1 } } }, - { { { 15, 0, 4 }, { 0, 31, 0 } } }, - { { { 16, 0, 4 }, { 0, 31, 1 } } }, - { { { 16, 0, 3 }, { 0, 31, 2 } } }, - { { { 16, 0, 2 }, { 1, 31, 1 } } }, - { { { 16, 0, 1 }, { 1, 31, 0 } } }, - { { { 16, 0, 0 }, { 4, 28, 0 } } }, - { { { 16, 0, 1 }, { 4, 28, 1 } } }, - { { { 16, 0, 2 }, { 2, 31, 1 } } }, - { { { 16, 0, 3 }, { 2, 31, 0 } } }, - { { { 16, 0, 4 }, { 4, 29, 0 } } }, - { { { 17, 0, 3 }, { 4, 29, 1 } } }, - { { { 17, 0, 2 }, { 3, 31, 1 } } }, - { { { 17, 0, 1 }, { 3, 31, 0 } } }, - { { { 17, 0, 0 }, { 4, 30, 0 } } }, - { { { 17, 0, 1 }, { 4, 30, 1 } } }, - { { { 17, 0, 2 }, { 4, 30, 2 } } }, - { { { 17, 0, 3 }, { 4, 31, 1 } } }, - { { { 17, 0, 4 }, { 4, 31, 0 } } }, - { { { 18, 0, 3 }, { 4, 31, 1 } } }, - { { { 18, 0, 2 }, { 4, 31, 2 } } }, - { { { 18, 0, 1 }, { 5, 31, 1 } } }, - { { { 18, 0, 0 }, { 5, 31, 0 } } }, - { { { 18, 0, 1 }, { 5, 31, 1 } } }, - { { { 18, 0, 2 }, { 5, 31, 2 } } }, - { { { 18, 0, 3 }, { 6, 31, 1 } } }, - { { { 18, 0, 4 }, { 6, 31, 0 } } }, - { { { 19, 0, 3 }, { 6, 31, 1 } } }, - { { { 19, 0, 2 }, { 6, 31, 2 } } }, - { { { 19, 0, 1 }, { 7, 31, 1 } } }, - { { { 19, 0, 0 }, { 7, 31, 0 } } }, - { { { 19, 0, 1 }, { 7, 31, 1 } } }, - { { { 19, 0, 2 }, { 7, 31, 2 } } }, - { { { 19, 0, 3 }, { 8, 31, 1 } } }, - { { { 19, 0, 4 }, { 8, 31, 0 } } }, - { { { 20, 0, 4 }, { 8, 31, 1 } } }, - { { { 20, 0, 3 }, { 8, 31, 2 } } }, - { { { 20, 0, 2 }, { 9, 31, 1 } } }, - { { { 20, 0, 1 }, { 9, 31, 0 } } }, - { { { 20, 0, 0 }, { 12, 28, 0 } } }, - { { { 20, 0, 1 }, { 12, 28, 1 } } }, - { { { 20, 0, 2 }, { 10, 31, 1 } } }, - { { { 20, 0, 3 }, { 10, 31, 0 } } }, - { { { 20, 0, 4 }, { 12, 29, 0 } } }, - { { { 21, 0, 3 }, { 12, 29, 1 } } }, - { { { 21, 0, 2 }, { 11, 31, 1 } } }, - { { { 21, 0, 1 }, { 11, 31, 0 } } }, - { { { 21, 0, 0 }, { 12, 30, 0 } } }, - { { { 21, 0, 1 }, { 12, 30, 1 } } }, - { { { 21, 0, 2 }, { 12, 30, 2 } } }, - { { { 21, 0, 3 }, { 12, 31, 1 } } }, - { { { 21, 0, 4 }, { 12, 31, 0 } } }, - { { { 22, 0, 3 }, { 12, 31, 1 } } }, - { { { 22, 0, 2 }, { 12, 31, 2 } } }, - { { { 22, 0, 1 }, { 13, 31, 1 } } }, - { { { 22, 0, 0 }, { 13, 31, 0 } } }, - { { { 22, 0, 1 }, { 13, 31, 1 } } }, - { { { 22, 0, 2 }, { 13, 31, 2 } } }, - { { { 22, 0, 3 }, { 14, 31, 1 } } }, - { { { 22, 0, 4 }, { 14, 31, 0 } } }, - { { { 23, 0, 3 }, { 14, 31, 1 } } }, - { { { 23, 0, 2 }, { 14, 31, 2 } } }, - { { { 23, 0, 1 }, { 15, 31, 1 } } }, - { { { 23, 0, 0 }, { 15, 31, 0 } } }, - { { { 23, 0, 1 }, { 15, 31, 1 } } }, - { { { 23, 0, 2 }, { 15, 31, 2 } } }, - { { { 23, 0, 3 }, { 16, 31, 1 } } }, - { { { 23, 0, 4 }, { 16, 31, 0 } } }, - { { { 24, 0, 4 }, { 16, 31, 1 } } }, - { { { 24, 0, 3 }, { 16, 31, 2 } } }, - { { { 24, 0, 2 }, { 17, 31, 1 } } }, - { { { 24, 0, 1 }, { 17, 31, 0 } } }, - { { { 24, 0, 0 }, { 20, 28, 0 } } }, - { { { 24, 0, 1 }, { 20, 28, 1 } } }, - { { { 24, 0, 2 }, { 18, 31, 1 } } }, - { { { 24, 0, 3 }, { 18, 31, 0 } } }, - { { { 24, 0, 4 }, { 20, 29, 0 } } }, - { { { 25, 0, 3 }, { 20, 29, 1 } } }, - { { { 25, 0, 2 }, { 19, 31, 1 } } }, - { { { 25, 0, 1 }, { 19, 31, 0 } } }, - { { { 25, 0, 0 }, { 20, 30, 0 } } }, - { { { 25, 0, 1 }, { 20, 30, 1 } } }, - { { { 25, 0, 2 }, { 20, 30, 2 } } }, - { { { 25, 0, 3 }, { 20, 31, 1 } } }, - { { { 25, 0, 4 }, { 20, 31, 0 } } }, - { { { 26, 0, 3 }, { 20, 31, 1 } } }, - { { { 26, 0, 2 }, { 20, 31, 2 } } }, - { { { 26, 0, 1 }, { 21, 31, 1 } } }, - { { { 26, 0, 0 }, { 21, 31, 0 } } }, - { { { 26, 0, 1 }, { 21, 31, 1 } } }, - { { { 26, 0, 2 }, { 21, 31, 2 } } }, - { { { 26, 0, 3 }, { 22, 31, 1 } } }, - { { { 26, 0, 4 }, { 22, 31, 0 } } }, - { { { 27, 0, 3 }, { 22, 31, 1 } } }, - { { { 27, 0, 2 }, { 22, 31, 2 } } }, - { { { 27, 0, 1 }, { 23, 31, 1 } } }, - { { { 27, 0, 0 }, { 23, 31, 0 } } }, - { { { 27, 0, 1 }, { 23, 31, 1 } } }, - { { { 27, 0, 2 }, { 23, 31, 2 } } }, - { { { 27, 0, 3 }, { 24, 31, 1 } } }, - { { { 27, 0, 4 }, { 24, 31, 0 } } }, - { { { 28, 0, 4 }, { 24, 31, 1 } } }, - { { { 28, 0, 3 }, { 24, 31, 2 } } }, - { { { 28, 0, 2 }, { 25, 31, 1 } } }, - { { { 28, 0, 1 }, { 25, 31, 0 } } }, - { { { 28, 0, 0 }, { 28, 28, 0 } } }, - { { { 28, 0, 1 }, { 28, 28, 1 } } }, - { { { 28, 0, 2 }, { 26, 31, 1 } } }, - { { { 28, 0, 3 }, { 26, 31, 0 } } }, - { { { 28, 0, 4 }, { 28, 29, 0 } } }, - { { { 29, 0, 3 }, { 28, 29, 1 } } }, - { { { 29, 0, 2 }, { 27, 31, 1 } } }, - { { { 29, 0, 1 }, { 27, 31, 0 } } }, - { { { 29, 0, 0 }, { 28, 30, 0 } } }, - { { { 29, 0, 1 }, { 28, 30, 1 } } }, - { { { 29, 0, 2 }, { 28, 30, 2 } } }, - { { { 29, 0, 3 }, { 28, 31, 1 } } }, - { { { 29, 0, 4 }, { 28, 31, 0 } } }, - { { { 30, 0, 3 }, { 28, 31, 1 } } }, - { { { 30, 0, 2 }, { 28, 31, 2 } } }, - { { { 30, 0, 1 }, { 29, 31, 1 } } }, - { { { 30, 0, 0 }, { 29, 31, 0 } } }, - { { { 30, 0, 1 }, { 29, 31, 1 } } }, - { { { 30, 0, 2 }, { 29, 31, 2 } } }, - { { { 30, 0, 3 }, { 30, 31, 1 } } }, - { { { 30, 0, 4 }, { 30, 31, 0 } } }, - { { { 31, 0, 3 }, { 30, 31, 1 } } }, - { { { 31, 0, 2 }, { 30, 31, 2 } } }, - { { { 31, 0, 1 }, { 31, 31, 1 } } }, - { { { 31, 0, 0 }, { 31, 31, 0 } } } + { { { 0, 0, 0 }, { 0, 0, 0 } } }, + { { { 0, 0, 1 }, { 0, 0, 1 } } }, + { { { 0, 0, 2 }, { 0, 0, 2 } } }, + { { { 0, 0, 3 }, { 0, 1, 1 } } }, + { { { 0, 0, 4 }, { 0, 1, 0 } } }, + { { { 1, 0, 3 }, { 0, 1, 1 } } }, + { { { 1, 0, 2 }, { 0, 1, 2 } } }, + { { { 1, 0, 1 }, { 0, 2, 1 } } }, + { { { 1, 0, 0 }, { 0, 2, 0 } } }, + { { { 1, 0, 1 }, { 0, 2, 1 } } }, + { { { 1, 0, 2 }, { 0, 2, 2 } } }, + { { { 1, 0, 3 }, { 0, 3, 1 } } }, + { { { 1, 0, 4 }, { 0, 3, 0 } } }, + { { { 2, 0, 3 }, { 0, 3, 1 } } }, + { { { 2, 0, 2 }, { 0, 3, 2 } } }, + { { { 2, 0, 1 }, { 0, 4, 1 } } }, + { { { 2, 0, 0 }, { 0, 4, 0 } } }, + { { { 2, 0, 1 }, { 0, 4, 1 } } }, + { { { 2, 0, 2 }, { 0, 4, 2 } } }, + { { { 2, 0, 3 }, { 0, 5, 1 } } }, + { { { 2, 0, 4 }, { 0, 5, 0 } } }, + { { { 3, 0, 3 }, { 0, 5, 1 } } }, + { { { 3, 0, 2 }, { 0, 5, 2 } } }, + { { { 3, 0, 1 }, { 0, 6, 1 } } }, + { { { 3, 0, 0 }, { 0, 6, 0 } } }, + { { { 3, 0, 1 }, { 0, 6, 1 } } }, + { { { 3, 0, 2 }, { 0, 6, 2 } } }, + { { { 3, 0, 3 }, { 0, 7, 1 } } }, + { { { 3, 0, 4 }, { 0, 7, 0 } } }, + { { { 4, 0, 4 }, { 0, 7, 1 } } }, + { { { 4, 0, 3 }, { 0, 7, 2 } } }, + { { { 4, 0, 2 }, { 1, 7, 1 } } }, + { { { 4, 0, 1 }, { 1, 7, 0 } } }, + { { { 4, 0, 0 }, { 0, 8, 0 } } }, + { { { 4, 0, 1 }, { 0, 8, 1 } } }, + { { { 4, 0, 2 }, { 2, 7, 1 } } }, + { { { 4, 0, 3 }, { 2, 7, 0 } } }, + { { { 4, 0, 4 }, { 0, 9, 0 } } }, + { { { 5, 0, 3 }, { 0, 9, 1 } } }, + { { { 5, 0, 2 }, { 3, 7, 1 } } }, + { { { 5, 0, 1 }, { 3, 7, 0 } } }, + { { { 5, 0, 0 }, { 0, 10, 0 } } }, + { { { 5, 0, 1 }, { 0, 10, 1 } } }, + { { { 5, 0, 2 }, { 0, 10, 2 } } }, + { { { 5, 0, 3 }, { 0, 11, 1 } } }, + { { { 5, 0, 4 }, { 0, 11, 0 } } }, + { { { 6, 0, 3 }, { 0, 11, 1 } } }, + { { { 6, 0, 2 }, { 0, 11, 2 } } }, + { { { 6, 0, 1 }, { 0, 12, 1 } } }, + { { { 6, 0, 0 }, { 0, 12, 0 } } }, + { { { 6, 0, 1 }, { 0, 12, 1 } } }, + { { { 6, 0, 2 }, { 0, 12, 2 } } }, + { { { 6, 0, 3 }, { 0, 13, 1 } } }, + { { { 6, 0, 4 }, { 0, 13, 0 } } }, + { { { 7, 0, 3 }, { 0, 13, 1 } } }, + { { { 7, 0, 2 }, { 0, 13, 2 } } }, + { { { 7, 0, 1 }, { 0, 14, 1 } } }, + { { { 7, 0, 0 }, { 0, 14, 0 } } }, + { { { 7, 0, 1 }, { 0, 14, 1 } } }, + { { { 7, 0, 2 }, { 0, 14, 2 } } }, + { { { 7, 0, 3 }, { 0, 15, 1 } } }, + { { { 7, 0, 4 }, { 0, 15, 0 } } }, + { { { 8, 0, 4 }, { 0, 15, 1 } } }, + { { { 8, 0, 3 }, { 0, 15, 2 } } }, + { { { 8, 0, 2 }, { 1, 15, 1 } } }, + { { { 8, 0, 1 }, { 1, 15, 0 } } }, + { { { 8, 0, 0 }, { 0, 16, 0 } } }, + { { { 8, 0, 1 }, { 0, 16, 1 } } }, + { { { 8, 0, 2 }, { 2, 15, 1 } } }, + { { { 8, 0, 3 }, { 2, 15, 0 } } }, + { { { 8, 0, 4 }, { 0, 17, 0 } } }, + { { { 9, 0, 3 }, { 0, 17, 1 } } }, + { { { 9, 0, 2 }, { 3, 15, 1 } } }, + { { { 9, 0, 1 }, { 3, 15, 0 } } }, + { { { 9, 0, 0 }, { 0, 18, 0 } } }, + { { { 9, 0, 1 }, { 0, 18, 1 } } }, + { { { 9, 0, 2 }, { 0, 18, 2 } } }, + { { { 9, 0, 3 }, { 0, 19, 1 } } }, + { { { 9, 0, 4 }, { 0, 19, 0 } } }, + { { { 10, 0, 3 }, { 0, 19, 1 } } }, + { { { 10, 0, 2 }, { 0, 19, 2 } } }, + { { { 10, 0, 1 }, { 0, 20, 1 } } }, + { { { 10, 0, 0 }, { 0, 20, 0 } } }, + { { { 10, 0, 1 }, { 0, 20, 1 } } }, + { { { 10, 0, 2 }, { 0, 20, 2 } } }, + { { { 10, 0, 3 }, { 0, 21, 1 } } }, + { { { 10, 0, 4 }, { 0, 21, 0 } } }, + { { { 11, 0, 3 }, { 0, 21, 1 } } }, + { { { 11, 0, 2 }, { 0, 21, 2 } } }, + { { { 11, 0, 1 }, { 0, 22, 1 } } }, + { { { 11, 0, 0 }, { 0, 22, 0 } } }, + { { { 11, 0, 1 }, { 0, 22, 1 } } }, + { { { 11, 0, 2 }, { 0, 22, 2 } } }, + { { { 11, 0, 3 }, { 0, 23, 1 } } }, + { { { 11, 0, 4 }, { 0, 23, 0 } } }, + { { { 12, 0, 4 }, { 0, 23, 1 } } }, + { { { 12, 0, 3 }, { 0, 23, 2 } } }, + { { { 12, 0, 2 }, { 1, 23, 1 } } }, + { { { 12, 0, 1 }, { 1, 23, 0 } } }, + { { { 12, 0, 0 }, { 0, 24, 0 } } }, + { { { 12, 0, 1 }, { 0, 24, 1 } } }, + { { { 12, 0, 2 }, { 2, 23, 1 } } }, + { { { 12, 0, 3 }, { 2, 23, 0 } } }, + { { { 12, 0, 4 }, { 0, 25, 0 } } }, + { { { 13, 0, 3 }, { 0, 25, 1 } } }, + { { { 13, 0, 2 }, { 3, 23, 1 } } }, + { { { 13, 0, 1 }, { 3, 23, 0 } } }, + { { { 13, 0, 0 }, { 0, 26, 0 } } }, + { { { 13, 0, 1 }, { 0, 26, 1 } } }, + { { { 13, 0, 2 }, { 0, 26, 2 } } }, + { { { 13, 0, 3 }, { 0, 27, 1 } } }, + { { { 13, 0, 4 }, { 0, 27, 0 } } }, + { { { 14, 0, 3 }, { 0, 27, 1 } } }, + { { { 14, 0, 2 }, { 0, 27, 2 } } }, + { { { 14, 0, 1 }, { 0, 28, 1 } } }, + { { { 14, 0, 0 }, { 0, 28, 0 } } }, + { { { 14, 0, 1 }, { 0, 28, 1 } } }, + { { { 14, 0, 2 }, { 0, 28, 2 } } }, + { { { 14, 0, 3 }, { 0, 29, 1 } } }, + { { { 14, 0, 4 }, { 0, 29, 0 } } }, + { { { 15, 0, 3 }, { 0, 29, 1 } } }, + { { { 15, 0, 2 }, { 0, 29, 2 } } }, + { { { 15, 0, 1 }, { 0, 30, 1 } } }, + { { { 15, 0, 0 }, { 0, 30, 0 } } }, + { { { 15, 0, 1 }, { 0, 30, 1 } } }, + { { { 15, 0, 2 }, { 0, 30, 2 } } }, + { { { 15, 0, 3 }, { 0, 31, 1 } } }, + { { { 15, 0, 4 }, { 0, 31, 0 } } }, + { { { 16, 0, 4 }, { 0, 31, 1 } } }, + { { { 16, 0, 3 }, { 0, 31, 2 } } }, + { { { 16, 0, 2 }, { 1, 31, 1 } } }, + { { { 16, 0, 1 }, { 1, 31, 0 } } }, + { { { 16, 0, 0 }, { 4, 28, 0 } } }, + { { { 16, 0, 1 }, { 4, 28, 1 } } }, + { { { 16, 0, 2 }, { 2, 31, 1 } } }, + { { { 16, 0, 3 }, { 2, 31, 0 } } }, + { { { 16, 0, 4 }, { 4, 29, 0 } } }, + { { { 17, 0, 3 }, { 4, 29, 1 } } }, + { { { 17, 0, 2 }, { 3, 31, 1 } } }, + { { { 17, 0, 1 }, { 3, 31, 0 } } }, + { { { 17, 0, 0 }, { 4, 30, 0 } } }, + { { { 17, 0, 1 }, { 4, 30, 1 } } }, + { { { 17, 0, 2 }, { 4, 30, 2 } } }, + { { { 17, 0, 3 }, { 4, 31, 1 } } }, + { { { 17, 0, 4 }, { 4, 31, 0 } } }, + { { { 18, 0, 3 }, { 4, 31, 1 } } }, + { { { 18, 0, 2 }, { 4, 31, 2 } } }, + { { { 18, 0, 1 }, { 5, 31, 1 } } }, + { { { 18, 0, 0 }, { 5, 31, 0 } } }, + { { { 18, 0, 1 }, { 5, 31, 1 } } }, + { { { 18, 0, 2 }, { 5, 31, 2 } } }, + { { { 18, 0, 3 }, { 6, 31, 1 } } }, + { { { 18, 0, 4 }, { 6, 31, 0 } } }, + { { { 19, 0, 3 }, { 6, 31, 1 } } }, + { { { 19, 0, 2 }, { 6, 31, 2 } } }, + { { { 19, 0, 1 }, { 7, 31, 1 } } }, + { { { 19, 0, 0 }, { 7, 31, 0 } } }, + { { { 19, 0, 1 }, { 7, 31, 1 } } }, + { { { 19, 0, 2 }, { 7, 31, 2 } } }, + { { { 19, 0, 3 }, { 8, 31, 1 } } }, + { { { 19, 0, 4 }, { 8, 31, 0 } } }, + { { { 20, 0, 4 }, { 8, 31, 1 } } }, + { { { 20, 0, 3 }, { 8, 31, 2 } } }, + { { { 20, 0, 2 }, { 9, 31, 1 } } }, + { { { 20, 0, 1 }, { 9, 31, 0 } } }, + { { { 20, 0, 0 }, { 12, 28, 0 } } }, + { { { 20, 0, 1 }, { 12, 28, 1 } } }, + { { { 20, 0, 2 }, { 10, 31, 1 } } }, + { { { 20, 0, 3 }, { 10, 31, 0 } } }, + { { { 20, 0, 4 }, { 12, 29, 0 } } }, + { { { 21, 0, 3 }, { 12, 29, 1 } } }, + { { { 21, 0, 2 }, { 11, 31, 1 } } }, + { { { 21, 0, 1 }, { 11, 31, 0 } } }, + { { { 21, 0, 0 }, { 12, 30, 0 } } }, + { { { 21, 0, 1 }, { 12, 30, 1 } } }, + { { { 21, 0, 2 }, { 12, 30, 2 } } }, + { { { 21, 0, 3 }, { 12, 31, 1 } } }, + { { { 21, 0, 4 }, { 12, 31, 0 } } }, + { { { 22, 0, 3 }, { 12, 31, 1 } } }, + { { { 22, 0, 2 }, { 12, 31, 2 } } }, + { { { 22, 0, 1 }, { 13, 31, 1 } } }, + { { { 22, 0, 0 }, { 13, 31, 0 } } }, + { { { 22, 0, 1 }, { 13, 31, 1 } } }, + { { { 22, 0, 2 }, { 13, 31, 2 } } }, + { { { 22, 0, 3 }, { 14, 31, 1 } } }, + { { { 22, 0, 4 }, { 14, 31, 0 } } }, + { { { 23, 0, 3 }, { 14, 31, 1 } } }, + { { { 23, 0, 2 }, { 14, 31, 2 } } }, + { { { 23, 0, 1 }, { 15, 31, 1 } } }, + { { { 23, 0, 0 }, { 15, 31, 0 } } }, + { { { 23, 0, 1 }, { 15, 31, 1 } } }, + { { { 23, 0, 2 }, { 15, 31, 2 } } }, + { { { 23, 0, 3 }, { 16, 31, 1 } } }, + { { { 23, 0, 4 }, { 16, 31, 0 } } }, + { { { 24, 0, 4 }, { 16, 31, 1 } } }, + { { { 24, 0, 3 }, { 16, 31, 2 } } }, + { { { 24, 0, 2 }, { 17, 31, 1 } } }, + { { { 24, 0, 1 }, { 17, 31, 0 } } }, + { { { 24, 0, 0 }, { 20, 28, 0 } } }, + { { { 24, 0, 1 }, { 20, 28, 1 } } }, + { { { 24, 0, 2 }, { 18, 31, 1 } } }, + { { { 24, 0, 3 }, { 18, 31, 0 } } }, + { { { 24, 0, 4 }, { 20, 29, 0 } } }, + { { { 25, 0, 3 }, { 20, 29, 1 } } }, + { { { 25, 0, 2 }, { 19, 31, 1 } } }, + { { { 25, 0, 1 }, { 19, 31, 0 } } }, + { { { 25, 0, 0 }, { 20, 30, 0 } } }, + { { { 25, 0, 1 }, { 20, 30, 1 } } }, + { { { 25, 0, 2 }, { 20, 30, 2 } } }, + { { { 25, 0, 3 }, { 20, 31, 1 } } }, + { { { 25, 0, 4 }, { 20, 31, 0 } } }, + { { { 26, 0, 3 }, { 20, 31, 1 } } }, + { { { 26, 0, 2 }, { 20, 31, 2 } } }, + { { { 26, 0, 1 }, { 21, 31, 1 } } }, + { { { 26, 0, 0 }, { 21, 31, 0 } } }, + { { { 26, 0, 1 }, { 21, 31, 1 } } }, + { { { 26, 0, 2 }, { 21, 31, 2 } } }, + { { { 26, 0, 3 }, { 22, 31, 1 } } }, + { { { 26, 0, 4 }, { 22, 31, 0 } } }, + { { { 27, 0, 3 }, { 22, 31, 1 } } }, + { { { 27, 0, 2 }, { 22, 31, 2 } } }, + { { { 27, 0, 1 }, { 23, 31, 1 } } }, + { { { 27, 0, 0 }, { 23, 31, 0 } } }, + { { { 27, 0, 1 }, { 23, 31, 1 } } }, + { { { 27, 0, 2 }, { 23, 31, 2 } } }, + { { { 27, 0, 3 }, { 24, 31, 1 } } }, + { { { 27, 0, 4 }, { 24, 31, 0 } } }, + { { { 28, 0, 4 }, { 24, 31, 1 } } }, + { { { 28, 0, 3 }, { 24, 31, 2 } } }, + { { { 28, 0, 2 }, { 25, 31, 1 } } }, + { { { 28, 0, 1 }, { 25, 31, 0 } } }, + { { { 28, 0, 0 }, { 28, 28, 0 } } }, + { { { 28, 0, 1 }, { 28, 28, 1 } } }, + { { { 28, 0, 2 }, { 26, 31, 1 } } }, + { { { 28, 0, 3 }, { 26, 31, 0 } } }, + { { { 28, 0, 4 }, { 28, 29, 0 } } }, + { { { 29, 0, 3 }, { 28, 29, 1 } } }, + { { { 29, 0, 2 }, { 27, 31, 1 } } }, + { { { 29, 0, 1 }, { 27, 31, 0 } } }, + { { { 29, 0, 0 }, { 28, 30, 0 } } }, + { { { 29, 0, 1 }, { 28, 30, 1 } } }, + { { { 29, 0, 2 }, { 28, 30, 2 } } }, + { { { 29, 0, 3 }, { 28, 31, 1 } } }, + { { { 29, 0, 4 }, { 28, 31, 0 } } }, + { { { 30, 0, 3 }, { 28, 31, 1 } } }, + { { { 30, 0, 2 }, { 28, 31, 2 } } }, + { { { 30, 0, 1 }, { 29, 31, 1 } } }, + { { { 30, 0, 0 }, { 29, 31, 0 } } }, + { { { 30, 0, 1 }, { 29, 31, 1 } } }, + { { { 30, 0, 2 }, { 29, 31, 2 } } }, + { { { 30, 0, 3 }, { 30, 31, 1 } } }, + { { { 30, 0, 4 }, { 30, 31, 0 } } }, + { { { 31, 0, 3 }, { 30, 31, 1 } } }, + { { { 31, 0, 2 }, { 30, 31, 2 } } }, + { { { 31, 0, 1 }, { 31, 31, 1 } } }, + { { { 31, 0, 0 }, { 31, 31, 0 } } } }; -static SingleColourLookup const lookup_6_3[] = +static SingleColourLookup const lookup_6_3[] = { - { { { 0, 0, 0 }, { 0, 0, 0 } } }, - { { { 0, 0, 1 }, { 0, 1, 1 } } }, - { { { 0, 0, 2 }, { 0, 1, 0 } } }, - { { { 1, 0, 1 }, { 0, 2, 1 } } }, - { { { 1, 0, 0 }, { 0, 2, 0 } } }, - { { { 1, 0, 1 }, { 0, 3, 1 } } }, - { { { 1, 0, 2 }, { 0, 3, 0 } } }, - { { { 2, 0, 1 }, { 0, 4, 1 } } }, - { { { 2, 0, 0 }, { 0, 4, 0 } } }, - { { { 2, 0, 1 }, { 0, 5, 1 } } }, - { { { 2, 0, 2 }, { 0, 5, 0 } } }, - { { { 3, 0, 1 }, { 0, 6, 1 } } }, - { { { 3, 0, 0 }, { 0, 6, 0 } } }, - { { { 3, 0, 1 }, { 0, 7, 1 } } }, - { { { 3, 0, 2 }, { 0, 7, 0 } } }, - { { { 4, 0, 1 }, { 0, 8, 1 } } }, - { { { 4, 0, 0 }, { 0, 8, 0 } } }, - { { { 4, 0, 1 }, { 0, 9, 1 } } }, - { { { 4, 0, 2 }, { 0, 9, 0 } } }, - { { { 5, 0, 1 }, { 0, 10, 1 } } }, - { { { 5, 0, 0 }, { 0, 10, 0 } } }, - { { { 5, 0, 1 }, { 0, 11, 1 } } }, - { { { 5, 0, 2 }, { 0, 11, 0 } } }, - { { { 6, 0, 1 }, { 0, 12, 1 } } }, - { { { 6, 0, 0 }, { 0, 12, 0 } } }, - { { { 6, 0, 1 }, { 0, 13, 1 } } }, - { { { 6, 0, 2 }, { 0, 13, 0 } } }, - { { { 7, 0, 1 }, { 0, 14, 1 } } }, - { { { 7, 0, 0 }, { 0, 14, 0 } } }, - { { { 7, 0, 1 }, { 0, 15, 1 } } }, - { { { 7, 0, 2 }, { 0, 15, 0 } } }, - { { { 8, 0, 1 }, { 0, 16, 1 } } }, - { { { 8, 0, 0 }, { 0, 16, 0 } } }, - { { { 8, 0, 1 }, { 0, 17, 1 } } }, - { { { 8, 0, 2 }, { 0, 17, 0 } } }, - { { { 9, 0, 1 }, { 0, 18, 1 } } }, - { { { 9, 0, 0 }, { 0, 18, 0 } } }, - { { { 9, 0, 1 }, { 0, 19, 1 } } }, - { { { 9, 0, 2 }, { 0, 19, 0 } } }, - { { { 10, 0, 1 }, { 0, 20, 1 } } }, - { { { 10, 0, 0 }, { 0, 20, 0 } } }, - { { { 10, 0, 1 }, { 0, 21, 1 } } }, - { { { 10, 0, 2 }, { 0, 21, 0 } } }, - { { { 11, 0, 1 }, { 0, 22, 1 } } }, - { { { 11, 0, 0 }, { 0, 22, 0 } } }, - { { { 11, 0, 1 }, { 0, 23, 1 } } }, - { { { 11, 0, 2 }, { 0, 23, 0 } } }, - { { { 12, 0, 1 }, { 0, 24, 1 } } }, - { { { 12, 0, 0 }, { 0, 24, 0 } } }, - { { { 12, 0, 1 }, { 0, 25, 1 } } }, - { { { 12, 0, 2 }, { 0, 25, 0 } } }, - { { { 13, 0, 1 }, { 0, 26, 1 } } }, - { { { 13, 0, 0 }, { 0, 26, 0 } } }, - { { { 13, 0, 1 }, { 0, 27, 1 } } }, - { { { 13, 0, 2 }, { 0, 27, 0 } } }, - { { { 14, 0, 1 }, { 0, 28, 1 } } }, - { { { 14, 0, 0 }, { 0, 28, 0 } } }, - { { { 14, 0, 1 }, { 0, 29, 1 } } }, - { { { 14, 0, 2 }, { 0, 29, 0 } } }, - { { { 15, 0, 1 }, { 0, 30, 1 } } }, - { { { 15, 0, 0 }, { 0, 30, 0 } } }, - { { { 15, 0, 1 }, { 0, 31, 1 } } }, - { { { 15, 0, 2 }, { 0, 31, 0 } } }, - { { { 16, 0, 2 }, { 1, 31, 1 } } }, - { { { 16, 0, 1 }, { 1, 31, 0 } } }, - { { { 16, 0, 0 }, { 0, 32, 0 } } }, - { { { 16, 0, 1 }, { 2, 31, 0 } } }, - { { { 16, 0, 2 }, { 0, 33, 0 } } }, - { { { 17, 0, 1 }, { 3, 31, 0 } } }, - { { { 17, 0, 0 }, { 0, 34, 0 } } }, - { { { 17, 0, 1 }, { 4, 31, 0 } } }, - { { { 17, 0, 2 }, { 0, 35, 0 } } }, - { { { 18, 0, 1 }, { 5, 31, 0 } } }, - { { { 18, 0, 0 }, { 0, 36, 0 } } }, - { { { 18, 0, 1 }, { 6, 31, 0 } } }, - { { { 18, 0, 2 }, { 0, 37, 0 } } }, - { { { 19, 0, 1 }, { 7, 31, 0 } } }, - { { { 19, 0, 0 }, { 0, 38, 0 } } }, - { { { 19, 0, 1 }, { 8, 31, 0 } } }, - { { { 19, 0, 2 }, { 0, 39, 0 } } }, - { { { 20, 0, 1 }, { 9, 31, 0 } } }, - { { { 20, 0, 0 }, { 0, 40, 0 } } }, - { { { 20, 0, 1 }, { 10, 31, 0 } } }, - { { { 20, 0, 2 }, { 0, 41, 0 } } }, - { { { 21, 0, 1 }, { 11, 31, 0 } } }, - { { { 21, 0, 0 }, { 0, 42, 0 } } }, - { { { 21, 0, 1 }, { 12, 31, 0 } } }, - { { { 21, 0, 2 }, { 0, 43, 0 } } }, - { { { 22, 0, 1 }, { 13, 31, 0 } } }, - { { { 22, 0, 0 }, { 0, 44, 0 } } }, - { { { 22, 0, 1 }, { 14, 31, 0 } } }, - { { { 22, 0, 2 }, { 0, 45, 0 } } }, - { { { 23, 0, 1 }, { 15, 31, 0 } } }, - { { { 23, 0, 0 }, { 0, 46, 0 } } }, - { { { 23, 0, 1 }, { 0, 47, 1 } } }, - { { { 23, 0, 2 }, { 0, 47, 0 } } }, - { { { 24, 0, 1 }, { 0, 48, 1 } } }, - { { { 24, 0, 0 }, { 0, 48, 0 } } }, - { { { 24, 0, 1 }, { 0, 49, 1 } } }, - { { { 24, 0, 2 }, { 0, 49, 0 } } }, - { { { 25, 0, 1 }, { 0, 50, 1 } } }, - { { { 25, 0, 0 }, { 0, 50, 0 } } }, - { { { 25, 0, 1 }, { 0, 51, 1 } } }, - { { { 25, 0, 2 }, { 0, 51, 0 } } }, - { { { 26, 0, 1 }, { 0, 52, 1 } } }, - { { { 26, 0, 0 }, { 0, 52, 0 } } }, - { { { 26, 0, 1 }, { 0, 53, 1 } } }, - { { { 26, 0, 2 }, { 0, 53, 0 } } }, - { { { 27, 0, 1 }, { 0, 54, 1 } } }, - { { { 27, 0, 0 }, { 0, 54, 0 } } }, - { { { 27, 0, 1 }, { 0, 55, 1 } } }, - { { { 27, 0, 2 }, { 0, 55, 0 } } }, - { { { 28, 0, 1 }, { 0, 56, 1 } } }, - { { { 28, 0, 0 }, { 0, 56, 0 } } }, - { { { 28, 0, 1 }, { 0, 57, 1 } } }, - { { { 28, 0, 2 }, { 0, 57, 0 } } }, - { { { 29, 0, 1 }, { 0, 58, 1 } } }, - { { { 29, 0, 0 }, { 0, 58, 0 } } }, - { { { 29, 0, 1 }, { 0, 59, 1 } } }, - { { { 29, 0, 2 }, { 0, 59, 0 } } }, - { { { 30, 0, 1 }, { 0, 60, 1 } } }, - { { { 30, 0, 0 }, { 0, 60, 0 } } }, - { { { 30, 0, 1 }, { 0, 61, 1 } } }, - { { { 30, 0, 2 }, { 0, 61, 0 } } }, - { { { 31, 0, 1 }, { 0, 62, 1 } } }, - { { { 31, 0, 0 }, { 0, 62, 0 } } }, - { { { 31, 0, 1 }, { 0, 63, 1 } } }, - { { { 31, 0, 2 }, { 0, 63, 0 } } }, - { { { 32, 0, 2 }, { 1, 63, 1 } } }, - { { { 32, 0, 1 }, { 1, 63, 0 } } }, - { { { 32, 0, 0 }, { 16, 48, 0 } } }, - { { { 32, 0, 1 }, { 2, 63, 0 } } }, - { { { 32, 0, 2 }, { 16, 49, 0 } } }, - { { { 33, 0, 1 }, { 3, 63, 0 } } }, - { { { 33, 0, 0 }, { 16, 50, 0 } } }, - { { { 33, 0, 1 }, { 4, 63, 0 } } }, - { { { 33, 0, 2 }, { 16, 51, 0 } } }, - { { { 34, 0, 1 }, { 5, 63, 0 } } }, - { { { 34, 0, 0 }, { 16, 52, 0 } } }, - { { { 34, 0, 1 }, { 6, 63, 0 } } }, - { { { 34, 0, 2 }, { 16, 53, 0 } } }, - { { { 35, 0, 1 }, { 7, 63, 0 } } }, - { { { 35, 0, 0 }, { 16, 54, 0 } } }, - { { { 35, 0, 1 }, { 8, 63, 0 } } }, - { { { 35, 0, 2 }, { 16, 55, 0 } } }, - { { { 36, 0, 1 }, { 9, 63, 0 } } }, - { { { 36, 0, 0 }, { 16, 56, 0 } } }, - { { { 36, 0, 1 }, { 10, 63, 0 } } }, - { { { 36, 0, 2 }, { 16, 57, 0 } } }, - { { { 37, 0, 1 }, { 11, 63, 0 } } }, - { { { 37, 0, 0 }, { 16, 58, 0 } } }, - { { { 37, 0, 1 }, { 12, 63, 0 } } }, - { { { 37, 0, 2 }, { 16, 59, 0 } } }, - { { { 38, 0, 1 }, { 13, 63, 0 } } }, - { { { 38, 0, 0 }, { 16, 60, 0 } } }, - { { { 38, 0, 1 }, { 14, 63, 0 } } }, - { { { 38, 0, 2 }, { 16, 61, 0 } } }, - { { { 39, 0, 1 }, { 15, 63, 0 } } }, - { { { 39, 0, 0 }, { 16, 62, 0 } } }, - { { { 39, 0, 1 }, { 16, 63, 1 } } }, - { { { 39, 0, 2 }, { 16, 63, 0 } } }, - { { { 40, 0, 1 }, { 17, 63, 1 } } }, - { { { 40, 0, 0 }, { 17, 63, 0 } } }, - { { { 40, 0, 1 }, { 18, 63, 1 } } }, - { { { 40, 0, 2 }, { 18, 63, 0 } } }, - { { { 41, 0, 1 }, { 19, 63, 1 } } }, - { { { 41, 0, 0 }, { 19, 63, 0 } } }, - { { { 41, 0, 1 }, { 20, 63, 1 } } }, - { { { 41, 0, 2 }, { 20, 63, 0 } } }, - { { { 42, 0, 1 }, { 21, 63, 1 } } }, - { { { 42, 0, 0 }, { 21, 63, 0 } } }, - { { { 42, 0, 1 }, { 22, 63, 1 } } }, - { { { 42, 0, 2 }, { 22, 63, 0 } } }, - { { { 43, 0, 1 }, { 23, 63, 1 } } }, - { { { 43, 0, 0 }, { 23, 63, 0 } } }, - { { { 43, 0, 1 }, { 24, 63, 1 } } }, - { { { 43, 0, 2 }, { 24, 63, 0 } } }, - { { { 44, 0, 1 }, { 25, 63, 1 } } }, - { { { 44, 0, 0 }, { 25, 63, 0 } } }, - { { { 44, 0, 1 }, { 26, 63, 1 } } }, - { { { 44, 0, 2 }, { 26, 63, 0 } } }, - { { { 45, 0, 1 }, { 27, 63, 1 } } }, - { { { 45, 0, 0 }, { 27, 63, 0 } } }, - { { { 45, 0, 1 }, { 28, 63, 1 } } }, - { { { 45, 0, 2 }, { 28, 63, 0 } } }, - { { { 46, 0, 1 }, { 29, 63, 1 } } }, - { { { 46, 0, 0 }, { 29, 63, 0 } } }, - { { { 46, 0, 1 }, { 30, 63, 1 } } }, - { { { 46, 0, 2 }, { 30, 63, 0 } } }, - { { { 47, 0, 1 }, { 31, 63, 1 } } }, - { { { 47, 0, 0 }, { 31, 63, 0 } } }, - { { { 47, 0, 1 }, { 32, 63, 1 } } }, - { { { 47, 0, 2 }, { 32, 63, 0 } } }, - { { { 48, 0, 2 }, { 33, 63, 1 } } }, - { { { 48, 0, 1 }, { 33, 63, 0 } } }, - { { { 48, 0, 0 }, { 48, 48, 0 } } }, - { { { 48, 0, 1 }, { 34, 63, 0 } } }, - { { { 48, 0, 2 }, { 48, 49, 0 } } }, - { { { 49, 0, 1 }, { 35, 63, 0 } } }, - { { { 49, 0, 0 }, { 48, 50, 0 } } }, - { { { 49, 0, 1 }, { 36, 63, 0 } } }, - { { { 49, 0, 2 }, { 48, 51, 0 } } }, - { { { 50, 0, 1 }, { 37, 63, 0 } } }, - { { { 50, 0, 0 }, { 48, 52, 0 } } }, - { { { 50, 0, 1 }, { 38, 63, 0 } } }, - { { { 50, 0, 2 }, { 48, 53, 0 } } }, - { { { 51, 0, 1 }, { 39, 63, 0 } } }, - { { { 51, 0, 0 }, { 48, 54, 0 } } }, - { { { 51, 0, 1 }, { 40, 63, 0 } } }, - { { { 51, 0, 2 }, { 48, 55, 0 } } }, - { { { 52, 0, 1 }, { 41, 63, 0 } } }, - { { { 52, 0, 0 }, { 48, 56, 0 } } }, - { { { 52, 0, 1 }, { 42, 63, 0 } } }, - { { { 52, 0, 2 }, { 48, 57, 0 } } }, - { { { 53, 0, 1 }, { 43, 63, 0 } } }, - { { { 53, 0, 0 }, { 48, 58, 0 } } }, - { { { 53, 0, 1 }, { 44, 63, 0 } } }, - { { { 53, 0, 2 }, { 48, 59, 0 } } }, - { { { 54, 0, 1 }, { 45, 63, 0 } } }, - { { { 54, 0, 0 }, { 48, 60, 0 } } }, - { { { 54, 0, 1 }, { 46, 63, 0 } } }, - { { { 54, 0, 2 }, { 48, 61, 0 } } }, - { { { 55, 0, 1 }, { 47, 63, 0 } } }, - { { { 55, 0, 0 }, { 48, 62, 0 } } }, - { { { 55, 0, 1 }, { 48, 63, 1 } } }, - { { { 55, 0, 2 }, { 48, 63, 0 } } }, - { { { 56, 0, 1 }, { 49, 63, 1 } } }, - { { { 56, 0, 0 }, { 49, 63, 0 } } }, - { { { 56, 0, 1 }, { 50, 63, 1 } } }, - { { { 56, 0, 2 }, { 50, 63, 0 } } }, - { { { 57, 0, 1 }, { 51, 63, 1 } } }, - { { { 57, 0, 0 }, { 51, 63, 0 } } }, - { { { 57, 0, 1 }, { 52, 63, 1 } } }, - { { { 57, 0, 2 }, { 52, 63, 0 } } }, - { { { 58, 0, 1 }, { 53, 63, 1 } } }, - { { { 58, 0, 0 }, { 53, 63, 0 } } }, - { { { 58, 0, 1 }, { 54, 63, 1 } } }, - { { { 58, 0, 2 }, { 54, 63, 0 } } }, - { { { 59, 0, 1 }, { 55, 63, 1 } } }, - { { { 59, 0, 0 }, { 55, 63, 0 } } }, - { { { 59, 0, 1 }, { 56, 63, 1 } } }, - { { { 59, 0, 2 }, { 56, 63, 0 } } }, - { { { 60, 0, 1 }, { 57, 63, 1 } } }, - { { { 60, 0, 0 }, { 57, 63, 0 } } }, - { { { 60, 0, 1 }, { 58, 63, 1 } } }, - { { { 60, 0, 2 }, { 58, 63, 0 } } }, - { { { 61, 0, 1 }, { 59, 63, 1 } } }, - { { { 61, 0, 0 }, { 59, 63, 0 } } }, - { { { 61, 0, 1 }, { 60, 63, 1 } } }, - { { { 61, 0, 2 }, { 60, 63, 0 } } }, - { { { 62, 0, 1 }, { 61, 63, 1 } } }, - { { { 62, 0, 0 }, { 61, 63, 0 } } }, - { { { 62, 0, 1 }, { 62, 63, 1 } } }, - { { { 62, 0, 2 }, { 62, 63, 0 } } }, - { { { 63, 0, 1 }, { 63, 63, 1 } } }, - { { { 63, 0, 0 }, { 63, 63, 0 } } } + { { { 0, 0, 0 }, { 0, 0, 0 } } }, + { { { 0, 0, 1 }, { 0, 1, 1 } } }, + { { { 0, 0, 2 }, { 0, 1, 0 } } }, + { { { 1, 0, 1 }, { 0, 2, 1 } } }, + { { { 1, 0, 0 }, { 0, 2, 0 } } }, + { { { 1, 0, 1 }, { 0, 3, 1 } } }, + { { { 1, 0, 2 }, { 0, 3, 0 } } }, + { { { 2, 0, 1 }, { 0, 4, 1 } } }, + { { { 2, 0, 0 }, { 0, 4, 0 } } }, + { { { 2, 0, 1 }, { 0, 5, 1 } } }, + { { { 2, 0, 2 }, { 0, 5, 0 } } }, + { { { 3, 0, 1 }, { 0, 6, 1 } } }, + { { { 3, 0, 0 }, { 0, 6, 0 } } }, + { { { 3, 0, 1 }, { 0, 7, 1 } } }, + { { { 3, 0, 2 }, { 0, 7, 0 } } }, + { { { 4, 0, 1 }, { 0, 8, 1 } } }, + { { { 4, 0, 0 }, { 0, 8, 0 } } }, + { { { 4, 0, 1 }, { 0, 9, 1 } } }, + { { { 4, 0, 2 }, { 0, 9, 0 } } }, + { { { 5, 0, 1 }, { 0, 10, 1 } } }, + { { { 5, 0, 0 }, { 0, 10, 0 } } }, + { { { 5, 0, 1 }, { 0, 11, 1 } } }, + { { { 5, 0, 2 }, { 0, 11, 0 } } }, + { { { 6, 0, 1 }, { 0, 12, 1 } } }, + { { { 6, 0, 0 }, { 0, 12, 0 } } }, + { { { 6, 0, 1 }, { 0, 13, 1 } } }, + { { { 6, 0, 2 }, { 0, 13, 0 } } }, + { { { 7, 0, 1 }, { 0, 14, 1 } } }, + { { { 7, 0, 0 }, { 0, 14, 0 } } }, + { { { 7, 0, 1 }, { 0, 15, 1 } } }, + { { { 7, 0, 2 }, { 0, 15, 0 } } }, + { { { 8, 0, 1 }, { 0, 16, 1 } } }, + { { { 8, 0, 0 }, { 0, 16, 0 } } }, + { { { 8, 0, 1 }, { 0, 17, 1 } } }, + { { { 8, 0, 2 }, { 0, 17, 0 } } }, + { { { 9, 0, 1 }, { 0, 18, 1 } } }, + { { { 9, 0, 0 }, { 0, 18, 0 } } }, + { { { 9, 0, 1 }, { 0, 19, 1 } } }, + { { { 9, 0, 2 }, { 0, 19, 0 } } }, + { { { 10, 0, 1 }, { 0, 20, 1 } } }, + { { { 10, 0, 0 }, { 0, 20, 0 } } }, + { { { 10, 0, 1 }, { 0, 21, 1 } } }, + { { { 10, 0, 2 }, { 0, 21, 0 } } }, + { { { 11, 0, 1 }, { 0, 22, 1 } } }, + { { { 11, 0, 0 }, { 0, 22, 0 } } }, + { { { 11, 0, 1 }, { 0, 23, 1 } } }, + { { { 11, 0, 2 }, { 0, 23, 0 } } }, + { { { 12, 0, 1 }, { 0, 24, 1 } } }, + { { { 12, 0, 0 }, { 0, 24, 0 } } }, + { { { 12, 0, 1 }, { 0, 25, 1 } } }, + { { { 12, 0, 2 }, { 0, 25, 0 } } }, + { { { 13, 0, 1 }, { 0, 26, 1 } } }, + { { { 13, 0, 0 }, { 0, 26, 0 } } }, + { { { 13, 0, 1 }, { 0, 27, 1 } } }, + { { { 13, 0, 2 }, { 0, 27, 0 } } }, + { { { 14, 0, 1 }, { 0, 28, 1 } } }, + { { { 14, 0, 0 }, { 0, 28, 0 } } }, + { { { 14, 0, 1 }, { 0, 29, 1 } } }, + { { { 14, 0, 2 }, { 0, 29, 0 } } }, + { { { 15, 0, 1 }, { 0, 30, 1 } } }, + { { { 15, 0, 0 }, { 0, 30, 0 } } }, + { { { 15, 0, 1 }, { 0, 31, 1 } } }, + { { { 15, 0, 2 }, { 0, 31, 0 } } }, + { { { 16, 0, 2 }, { 1, 31, 1 } } }, + { { { 16, 0, 1 }, { 1, 31, 0 } } }, + { { { 16, 0, 0 }, { 0, 32, 0 } } }, + { { { 16, 0, 1 }, { 2, 31, 0 } } }, + { { { 16, 0, 2 }, { 0, 33, 0 } } }, + { { { 17, 0, 1 }, { 3, 31, 0 } } }, + { { { 17, 0, 0 }, { 0, 34, 0 } } }, + { { { 17, 0, 1 }, { 4, 31, 0 } } }, + { { { 17, 0, 2 }, { 0, 35, 0 } } }, + { { { 18, 0, 1 }, { 5, 31, 0 } } }, + { { { 18, 0, 0 }, { 0, 36, 0 } } }, + { { { 18, 0, 1 }, { 6, 31, 0 } } }, + { { { 18, 0, 2 }, { 0, 37, 0 } } }, + { { { 19, 0, 1 }, { 7, 31, 0 } } }, + { { { 19, 0, 0 }, { 0, 38, 0 } } }, + { { { 19, 0, 1 }, { 8, 31, 0 } } }, + { { { 19, 0, 2 }, { 0, 39, 0 } } }, + { { { 20, 0, 1 }, { 9, 31, 0 } } }, + { { { 20, 0, 0 }, { 0, 40, 0 } } }, + { { { 20, 0, 1 }, { 10, 31, 0 } } }, + { { { 20, 0, 2 }, { 0, 41, 0 } } }, + { { { 21, 0, 1 }, { 11, 31, 0 } } }, + { { { 21, 0, 0 }, { 0, 42, 0 } } }, + { { { 21, 0, 1 }, { 12, 31, 0 } } }, + { { { 21, 0, 2 }, { 0, 43, 0 } } }, + { { { 22, 0, 1 }, { 13, 31, 0 } } }, + { { { 22, 0, 0 }, { 0, 44, 0 } } }, + { { { 22, 0, 1 }, { 14, 31, 0 } } }, + { { { 22, 0, 2 }, { 0, 45, 0 } } }, + { { { 23, 0, 1 }, { 15, 31, 0 } } }, + { { { 23, 0, 0 }, { 0, 46, 0 } } }, + { { { 23, 0, 1 }, { 0, 47, 1 } } }, + { { { 23, 0, 2 }, { 0, 47, 0 } } }, + { { { 24, 0, 1 }, { 0, 48, 1 } } }, + { { { 24, 0, 0 }, { 0, 48, 0 } } }, + { { { 24, 0, 1 }, { 0, 49, 1 } } }, + { { { 24, 0, 2 }, { 0, 49, 0 } } }, + { { { 25, 0, 1 }, { 0, 50, 1 } } }, + { { { 25, 0, 0 }, { 0, 50, 0 } } }, + { { { 25, 0, 1 }, { 0, 51, 1 } } }, + { { { 25, 0, 2 }, { 0, 51, 0 } } }, + { { { 26, 0, 1 }, { 0, 52, 1 } } }, + { { { 26, 0, 0 }, { 0, 52, 0 } } }, + { { { 26, 0, 1 }, { 0, 53, 1 } } }, + { { { 26, 0, 2 }, { 0, 53, 0 } } }, + { { { 27, 0, 1 }, { 0, 54, 1 } } }, + { { { 27, 0, 0 }, { 0, 54, 0 } } }, + { { { 27, 0, 1 }, { 0, 55, 1 } } }, + { { { 27, 0, 2 }, { 0, 55, 0 } } }, + { { { 28, 0, 1 }, { 0, 56, 1 } } }, + { { { 28, 0, 0 }, { 0, 56, 0 } } }, + { { { 28, 0, 1 }, { 0, 57, 1 } } }, + { { { 28, 0, 2 }, { 0, 57, 0 } } }, + { { { 29, 0, 1 }, { 0, 58, 1 } } }, + { { { 29, 0, 0 }, { 0, 58, 0 } } }, + { { { 29, 0, 1 }, { 0, 59, 1 } } }, + { { { 29, 0, 2 }, { 0, 59, 0 } } }, + { { { 30, 0, 1 }, { 0, 60, 1 } } }, + { { { 30, 0, 0 }, { 0, 60, 0 } } }, + { { { 30, 0, 1 }, { 0, 61, 1 } } }, + { { { 30, 0, 2 }, { 0, 61, 0 } } }, + { { { 31, 0, 1 }, { 0, 62, 1 } } }, + { { { 31, 0, 0 }, { 0, 62, 0 } } }, + { { { 31, 0, 1 }, { 0, 63, 1 } } }, + { { { 31, 0, 2 }, { 0, 63, 0 } } }, + { { { 32, 0, 2 }, { 1, 63, 1 } } }, + { { { 32, 0, 1 }, { 1, 63, 0 } } }, + { { { 32, 0, 0 }, { 16, 48, 0 } } }, + { { { 32, 0, 1 }, { 2, 63, 0 } } }, + { { { 32, 0, 2 }, { 16, 49, 0 } } }, + { { { 33, 0, 1 }, { 3, 63, 0 } } }, + { { { 33, 0, 0 }, { 16, 50, 0 } } }, + { { { 33, 0, 1 }, { 4, 63, 0 } } }, + { { { 33, 0, 2 }, { 16, 51, 0 } } }, + { { { 34, 0, 1 }, { 5, 63, 0 } } }, + { { { 34, 0, 0 }, { 16, 52, 0 } } }, + { { { 34, 0, 1 }, { 6, 63, 0 } } }, + { { { 34, 0, 2 }, { 16, 53, 0 } } }, + { { { 35, 0, 1 }, { 7, 63, 0 } } }, + { { { 35, 0, 0 }, { 16, 54, 0 } } }, + { { { 35, 0, 1 }, { 8, 63, 0 } } }, + { { { 35, 0, 2 }, { 16, 55, 0 } } }, + { { { 36, 0, 1 }, { 9, 63, 0 } } }, + { { { 36, 0, 0 }, { 16, 56, 0 } } }, + { { { 36, 0, 1 }, { 10, 63, 0 } } }, + { { { 36, 0, 2 }, { 16, 57, 0 } } }, + { { { 37, 0, 1 }, { 11, 63, 0 } } }, + { { { 37, 0, 0 }, { 16, 58, 0 } } }, + { { { 37, 0, 1 }, { 12, 63, 0 } } }, + { { { 37, 0, 2 }, { 16, 59, 0 } } }, + { { { 38, 0, 1 }, { 13, 63, 0 } } }, + { { { 38, 0, 0 }, { 16, 60, 0 } } }, + { { { 38, 0, 1 }, { 14, 63, 0 } } }, + { { { 38, 0, 2 }, { 16, 61, 0 } } }, + { { { 39, 0, 1 }, { 15, 63, 0 } } }, + { { { 39, 0, 0 }, { 16, 62, 0 } } }, + { { { 39, 0, 1 }, { 16, 63, 1 } } }, + { { { 39, 0, 2 }, { 16, 63, 0 } } }, + { { { 40, 0, 1 }, { 17, 63, 1 } } }, + { { { 40, 0, 0 }, { 17, 63, 0 } } }, + { { { 40, 0, 1 }, { 18, 63, 1 } } }, + { { { 40, 0, 2 }, { 18, 63, 0 } } }, + { { { 41, 0, 1 }, { 19, 63, 1 } } }, + { { { 41, 0, 0 }, { 19, 63, 0 } } }, + { { { 41, 0, 1 }, { 20, 63, 1 } } }, + { { { 41, 0, 2 }, { 20, 63, 0 } } }, + { { { 42, 0, 1 }, { 21, 63, 1 } } }, + { { { 42, 0, 0 }, { 21, 63, 0 } } }, + { { { 42, 0, 1 }, { 22, 63, 1 } } }, + { { { 42, 0, 2 }, { 22, 63, 0 } } }, + { { { 43, 0, 1 }, { 23, 63, 1 } } }, + { { { 43, 0, 0 }, { 23, 63, 0 } } }, + { { { 43, 0, 1 }, { 24, 63, 1 } } }, + { { { 43, 0, 2 }, { 24, 63, 0 } } }, + { { { 44, 0, 1 }, { 25, 63, 1 } } }, + { { { 44, 0, 0 }, { 25, 63, 0 } } }, + { { { 44, 0, 1 }, { 26, 63, 1 } } }, + { { { 44, 0, 2 }, { 26, 63, 0 } } }, + { { { 45, 0, 1 }, { 27, 63, 1 } } }, + { { { 45, 0, 0 }, { 27, 63, 0 } } }, + { { { 45, 0, 1 }, { 28, 63, 1 } } }, + { { { 45, 0, 2 }, { 28, 63, 0 } } }, + { { { 46, 0, 1 }, { 29, 63, 1 } } }, + { { { 46, 0, 0 }, { 29, 63, 0 } } }, + { { { 46, 0, 1 }, { 30, 63, 1 } } }, + { { { 46, 0, 2 }, { 30, 63, 0 } } }, + { { { 47, 0, 1 }, { 31, 63, 1 } } }, + { { { 47, 0, 0 }, { 31, 63, 0 } } }, + { { { 47, 0, 1 }, { 32, 63, 1 } } }, + { { { 47, 0, 2 }, { 32, 63, 0 } } }, + { { { 48, 0, 2 }, { 33, 63, 1 } } }, + { { { 48, 0, 1 }, { 33, 63, 0 } } }, + { { { 48, 0, 0 }, { 48, 48, 0 } } }, + { { { 48, 0, 1 }, { 34, 63, 0 } } }, + { { { 48, 0, 2 }, { 48, 49, 0 } } }, + { { { 49, 0, 1 }, { 35, 63, 0 } } }, + { { { 49, 0, 0 }, { 48, 50, 0 } } }, + { { { 49, 0, 1 }, { 36, 63, 0 } } }, + { { { 49, 0, 2 }, { 48, 51, 0 } } }, + { { { 50, 0, 1 }, { 37, 63, 0 } } }, + { { { 50, 0, 0 }, { 48, 52, 0 } } }, + { { { 50, 0, 1 }, { 38, 63, 0 } } }, + { { { 50, 0, 2 }, { 48, 53, 0 } } }, + { { { 51, 0, 1 }, { 39, 63, 0 } } }, + { { { 51, 0, 0 }, { 48, 54, 0 } } }, + { { { 51, 0, 1 }, { 40, 63, 0 } } }, + { { { 51, 0, 2 }, { 48, 55, 0 } } }, + { { { 52, 0, 1 }, { 41, 63, 0 } } }, + { { { 52, 0, 0 }, { 48, 56, 0 } } }, + { { { 52, 0, 1 }, { 42, 63, 0 } } }, + { { { 52, 0, 2 }, { 48, 57, 0 } } }, + { { { 53, 0, 1 }, { 43, 63, 0 } } }, + { { { 53, 0, 0 }, { 48, 58, 0 } } }, + { { { 53, 0, 1 }, { 44, 63, 0 } } }, + { { { 53, 0, 2 }, { 48, 59, 0 } } }, + { { { 54, 0, 1 }, { 45, 63, 0 } } }, + { { { 54, 0, 0 }, { 48, 60, 0 } } }, + { { { 54, 0, 1 }, { 46, 63, 0 } } }, + { { { 54, 0, 2 }, { 48, 61, 0 } } }, + { { { 55, 0, 1 }, { 47, 63, 0 } } }, + { { { 55, 0, 0 }, { 48, 62, 0 } } }, + { { { 55, 0, 1 }, { 48, 63, 1 } } }, + { { { 55, 0, 2 }, { 48, 63, 0 } } }, + { { { 56, 0, 1 }, { 49, 63, 1 } } }, + { { { 56, 0, 0 }, { 49, 63, 0 } } }, + { { { 56, 0, 1 }, { 50, 63, 1 } } }, + { { { 56, 0, 2 }, { 50, 63, 0 } } }, + { { { 57, 0, 1 }, { 51, 63, 1 } } }, + { { { 57, 0, 0 }, { 51, 63, 0 } } }, + { { { 57, 0, 1 }, { 52, 63, 1 } } }, + { { { 57, 0, 2 }, { 52, 63, 0 } } }, + { { { 58, 0, 1 }, { 53, 63, 1 } } }, + { { { 58, 0, 0 }, { 53, 63, 0 } } }, + { { { 58, 0, 1 }, { 54, 63, 1 } } }, + { { { 58, 0, 2 }, { 54, 63, 0 } } }, + { { { 59, 0, 1 }, { 55, 63, 1 } } }, + { { { 59, 0, 0 }, { 55, 63, 0 } } }, + { { { 59, 0, 1 }, { 56, 63, 1 } } }, + { { { 59, 0, 2 }, { 56, 63, 0 } } }, + { { { 60, 0, 1 }, { 57, 63, 1 } } }, + { { { 60, 0, 0 }, { 57, 63, 0 } } }, + { { { 60, 0, 1 }, { 58, 63, 1 } } }, + { { { 60, 0, 2 }, { 58, 63, 0 } } }, + { { { 61, 0, 1 }, { 59, 63, 1 } } }, + { { { 61, 0, 0 }, { 59, 63, 0 } } }, + { { { 61, 0, 1 }, { 60, 63, 1 } } }, + { { { 61, 0, 2 }, { 60, 63, 0 } } }, + { { { 62, 0, 1 }, { 61, 63, 1 } } }, + { { { 62, 0, 0 }, { 61, 63, 0 } } }, + { { { 62, 0, 1 }, { 62, 63, 1 } } }, + { { { 62, 0, 2 }, { 62, 63, 0 } } }, + { { { 63, 0, 1 }, { 63, 63, 1 } } }, + { { { 63, 0, 0 }, { 63, 63, 0 } } } }; -static SingleColourLookup const lookup_5_4[] = +static SingleColourLookup const lookup_5_4[] = { - { { { 0, 0, 0 }, { 0, 0, 0 } } }, - { { { 0, 0, 1 }, { 0, 1, 1 } } }, - { { { 0, 0, 2 }, { 0, 1, 0 } } }, - { { { 0, 0, 3 }, { 0, 1, 1 } } }, - { { { 0, 0, 4 }, { 0, 2, 1 } } }, - { { { 1, 0, 3 }, { 0, 2, 0 } } }, - { { { 1, 0, 2 }, { 0, 2, 1 } } }, - { { { 1, 0, 1 }, { 0, 3, 1 } } }, - { { { 1, 0, 0 }, { 0, 3, 0 } } }, - { { { 1, 0, 1 }, { 1, 2, 1 } } }, - { { { 1, 0, 2 }, { 1, 2, 0 } } }, - { { { 1, 0, 3 }, { 0, 4, 0 } } }, - { { { 1, 0, 4 }, { 0, 5, 1 } } }, - { { { 2, 0, 3 }, { 0, 5, 0 } } }, - { { { 2, 0, 2 }, { 0, 5, 1 } } }, - { { { 2, 0, 1 }, { 0, 6, 1 } } }, - { { { 2, 0, 0 }, { 0, 6, 0 } } }, - { { { 2, 0, 1 }, { 2, 3, 1 } } }, - { { { 2, 0, 2 }, { 2, 3, 0 } } }, - { { { 2, 0, 3 }, { 0, 7, 0 } } }, - { { { 2, 0, 4 }, { 1, 6, 1 } } }, - { { { 3, 0, 3 }, { 1, 6, 0 } } }, - { { { 3, 0, 2 }, { 0, 8, 0 } } }, - { { { 3, 0, 1 }, { 0, 9, 1 } } }, - { { { 3, 0, 0 }, { 0, 9, 0 } } }, - { { { 3, 0, 1 }, { 0, 9, 1 } } }, - { { { 3, 0, 2 }, { 0, 10, 1 } } }, - { { { 3, 0, 3 }, { 0, 10, 0 } } }, - { { { 3, 0, 4 }, { 2, 7, 1 } } }, - { { { 4, 0, 4 }, { 2, 7, 0 } } }, - { { { 4, 0, 3 }, { 0, 11, 0 } } }, - { { { 4, 0, 2 }, { 1, 10, 1 } } }, - { { { 4, 0, 1 }, { 1, 10, 0 } } }, - { { { 4, 0, 0 }, { 0, 12, 0 } } }, - { { { 4, 0, 1 }, { 0, 13, 1 } } }, - { { { 4, 0, 2 }, { 0, 13, 0 } } }, - { { { 4, 0, 3 }, { 0, 13, 1 } } }, - { { { 4, 0, 4 }, { 0, 14, 1 } } }, - { { { 5, 0, 3 }, { 0, 14, 0 } } }, - { { { 5, 0, 2 }, { 2, 11, 1 } } }, - { { { 5, 0, 1 }, { 2, 11, 0 } } }, - { { { 5, 0, 0 }, { 0, 15, 0 } } }, - { { { 5, 0, 1 }, { 1, 14, 1 } } }, - { { { 5, 0, 2 }, { 1, 14, 0 } } }, - { { { 5, 0, 3 }, { 0, 16, 0 } } }, - { { { 5, 0, 4 }, { 0, 17, 1 } } }, - { { { 6, 0, 3 }, { 0, 17, 0 } } }, - { { { 6, 0, 2 }, { 0, 17, 1 } } }, - { { { 6, 0, 1 }, { 0, 18, 1 } } }, - { { { 6, 0, 0 }, { 0, 18, 0 } } }, - { { { 6, 0, 1 }, { 2, 15, 1 } } }, - { { { 6, 0, 2 }, { 2, 15, 0 } } }, - { { { 6, 0, 3 }, { 0, 19, 0 } } }, - { { { 6, 0, 4 }, { 1, 18, 1 } } }, - { { { 7, 0, 3 }, { 1, 18, 0 } } }, - { { { 7, 0, 2 }, { 0, 20, 0 } } }, - { { { 7, 0, 1 }, { 0, 21, 1 } } }, - { { { 7, 0, 0 }, { 0, 21, 0 } } }, - { { { 7, 0, 1 }, { 0, 21, 1 } } }, - { { { 7, 0, 2 }, { 0, 22, 1 } } }, - { { { 7, 0, 3 }, { 0, 22, 0 } } }, - { { { 7, 0, 4 }, { 2, 19, 1 } } }, - { { { 8, 0, 4 }, { 2, 19, 0 } } }, - { { { 8, 0, 3 }, { 0, 23, 0 } } }, - { { { 8, 0, 2 }, { 1, 22, 1 } } }, - { { { 8, 0, 1 }, { 1, 22, 0 } } }, - { { { 8, 0, 0 }, { 0, 24, 0 } } }, - { { { 8, 0, 1 }, { 0, 25, 1 } } }, - { { { 8, 0, 2 }, { 0, 25, 0 } } }, - { { { 8, 0, 3 }, { 0, 25, 1 } } }, - { { { 8, 0, 4 }, { 0, 26, 1 } } }, - { { { 9, 0, 3 }, { 0, 26, 0 } } }, - { { { 9, 0, 2 }, { 2, 23, 1 } } }, - { { { 9, 0, 1 }, { 2, 23, 0 } } }, - { { { 9, 0, 0 }, { 0, 27, 0 } } }, - { { { 9, 0, 1 }, { 1, 26, 1 } } }, - { { { 9, 0, 2 }, { 1, 26, 0 } } }, - { { { 9, 0, 3 }, { 0, 28, 0 } } }, - { { { 9, 0, 4 }, { 0, 29, 1 } } }, - { { { 10, 0, 3 }, { 0, 29, 0 } } }, - { { { 10, 0, 2 }, { 0, 29, 1 } } }, - { { { 10, 0, 1 }, { 0, 30, 1 } } }, - { { { 10, 0, 0 }, { 0, 30, 0 } } }, - { { { 10, 0, 1 }, { 2, 27, 1 } } }, - { { { 10, 0, 2 }, { 2, 27, 0 } } }, - { { { 10, 0, 3 }, { 0, 31, 0 } } }, - { { { 10, 0, 4 }, { 1, 30, 1 } } }, - { { { 11, 0, 3 }, { 1, 30, 0 } } }, - { { { 11, 0, 2 }, { 4, 24, 0 } } }, - { { { 11, 0, 1 }, { 1, 31, 1 } } }, - { { { 11, 0, 0 }, { 1, 31, 0 } } }, - { { { 11, 0, 1 }, { 1, 31, 1 } } 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} }, + { { { 18, 0, 3 }, { 12, 31, 0 } } }, + { { { 18, 0, 4 }, { 13, 30, 1 } } }, + { { { 19, 0, 3 }, { 13, 30, 0 } } }, + { { { 19, 0, 2 }, { 16, 24, 0 } } }, + { { { 19, 0, 1 }, { 13, 31, 1 } } }, + { { { 19, 0, 0 }, { 13, 31, 0 } } }, + { { { 19, 0, 1 }, { 13, 31, 1 } } }, + { { { 19, 0, 2 }, { 14, 30, 1 } } }, + { { { 19, 0, 3 }, { 14, 30, 0 } } }, + { { { 19, 0, 4 }, { 14, 31, 1 } } }, + { { { 20, 0, 4 }, { 14, 31, 0 } } }, + { { { 20, 0, 3 }, { 16, 27, 0 } } }, + { { { 20, 0, 2 }, { 15, 30, 1 } } }, + { { { 20, 0, 1 }, { 15, 30, 0 } } }, + { { { 20, 0, 0 }, { 16, 28, 0 } } }, + { { { 20, 0, 1 }, { 15, 31, 1 } } }, + { { { 20, 0, 2 }, { 15, 31, 0 } } }, + { { { 20, 0, 3 }, { 15, 31, 1 } } }, + { { { 20, 0, 4 }, { 16, 30, 1 } } }, + { { { 21, 0, 3 }, { 16, 30, 0 } } }, + { { { 21, 0, 2 }, { 18, 27, 1 } } }, + { { { 21, 0, 1 }, { 18, 27, 0 } } }, + { { { 21, 0, 0 }, { 16, 31, 0 } } }, + { { { 21, 0, 1 }, { 17, 30, 1 } } }, + { { { 21, 0, 2 }, { 17, 30, 0 } } }, + { { { 21, 0, 3 }, { 20, 24, 0 } } }, + { { { 21, 0, 4 }, { 17, 31, 1 } } }, + { { { 22, 0, 3 }, { 17, 31, 0 } } }, + { { { 22, 0, 2 }, { 17, 31, 1 } } }, + { { { 22, 0, 1 }, { 18, 30, 1 } } }, + { { { 22, 0, 0 }, { 18, 30, 0 } } }, + { { { 22, 0, 1 }, { 18, 31, 1 } } }, + { { { 22, 0, 2 }, { 18, 31, 0 } } }, + { { { 22, 0, 3 }, { 20, 27, 0 } } }, + { { { 22, 0, 4 }, { 19, 30, 1 } } }, + { { { 23, 0, 3 }, { 19, 30, 0 } } }, + { { { 23, 0, 2 }, { 20, 28, 0 } } }, + { { { 23, 0, 1 }, { 19, 31, 1 } } }, + { { { 23, 0, 0 }, { 19, 31, 0 } } }, + { { { 23, 0, 1 }, { 19, 31, 1 } } }, + { { { 23, 0, 2 }, { 20, 30, 1 } } }, + { { { 23, 0, 3 }, { 20, 30, 0 } } }, + { { { 23, 0, 4 }, { 22, 27, 1 } } }, + { { { 24, 0, 4 }, { 22, 27, 0 } } }, + { { { 24, 0, 3 }, { 20, 31, 0 } } }, + { { { 24, 0, 2 }, { 21, 30, 1 } } }, + { { { 24, 0, 1 }, { 21, 30, 0 } } }, + { { { 24, 0, 0 }, { 24, 24, 0 } } }, + { { { 24, 0, 1 }, { 21, 31, 1 } } }, + { { { 24, 0, 2 }, { 21, 31, 0 } } }, + { { { 24, 0, 3 }, { 21, 31, 1 } } }, + { { { 24, 0, 4 }, { 22, 30, 1 } } }, + { { { 25, 0, 3 }, { 22, 30, 0 } } }, + { { { 25, 0, 2 }, { 22, 31, 1 } } }, + { { { 25, 0, 1 }, { 22, 31, 0 } } }, + { { { 25, 0, 0 }, { 24, 27, 0 } } }, + { { { 25, 0, 1 }, { 23, 30, 1 } } }, + { { { 25, 0, 2 }, { 23, 30, 0 } } }, + { { { 25, 0, 3 }, { 24, 28, 0 } } }, + { { { 25, 0, 4 }, { 23, 31, 1 } } }, + { { { 26, 0, 3 }, { 23, 31, 0 } } }, + { { { 26, 0, 2 }, { 23, 31, 1 } } }, + { { { 26, 0, 1 }, { 24, 30, 1 } } }, + { { { 26, 0, 0 }, { 24, 30, 0 } } }, + { { { 26, 0, 1 }, { 26, 27, 1 } } }, + { { { 26, 0, 2 }, { 26, 27, 0 } } }, + { { { 26, 0, 3 }, { 24, 31, 0 } } }, + { { { 26, 0, 4 }, { 25, 30, 1 } } }, + { { { 27, 0, 3 }, { 25, 30, 0 } } }, + { { { 27, 0, 2 }, { 28, 24, 0 } } }, + { { { 27, 0, 1 }, { 25, 31, 1 } } }, + { { { 27, 0, 0 }, { 25, 31, 0 } } }, + { { { 27, 0, 1 }, { 25, 31, 1 } } }, + { { { 27, 0, 2 }, { 26, 30, 1 } } }, + { { { 27, 0, 3 }, { 26, 30, 0 } } }, + { { { 27, 0, 4 }, { 26, 31, 1 } } }, + { { { 28, 0, 4 }, { 26, 31, 0 } } }, + { { { 28, 0, 3 }, { 28, 27, 0 } } }, + { { { 28, 0, 2 }, { 27, 30, 1 } } }, + { { { 28, 0, 1 }, { 27, 30, 0 } } }, + { { { 28, 0, 0 }, { 28, 28, 0 } } }, + { { { 28, 0, 1 }, { 27, 31, 1 } } }, + { { { 28, 0, 2 }, { 27, 31, 0 } } }, + { { { 28, 0, 3 }, { 27, 31, 1 } } }, + { { { 28, 0, 4 }, { 28, 30, 1 } } }, + { { { 29, 0, 3 }, { 28, 30, 0 } } }, + { { { 29, 0, 2 }, { 30, 27, 1 } } }, + { { { 29, 0, 1 }, { 30, 27, 0 } } }, + { { { 29, 0, 0 }, { 28, 31, 0 } } }, + { { { 29, 0, 1 }, { 29, 30, 1 } } }, + { { { 29, 0, 2 }, { 29, 30, 0 } } }, + { { { 29, 0, 3 }, { 29, 30, 1 } } }, + { { { 29, 0, 4 }, { 29, 31, 1 } } }, + { { { 30, 0, 3 }, { 29, 31, 0 } } }, + { { { 30, 0, 2 }, { 29, 31, 1 } } }, + { { { 30, 0, 1 }, { 30, 30, 1 } } }, + { { { 30, 0, 0 }, { 30, 30, 0 } } }, + { { { 30, 0, 1 }, { 30, 31, 1 } } }, + { { { 30, 0, 2 }, { 30, 31, 0 } } }, + { { { 30, 0, 3 }, { 30, 31, 1 } } }, + { { { 30, 0, 4 }, { 31, 30, 1 } } }, + { { { 31, 0, 3 }, { 31, 30, 0 } } }, + { { { 31, 0, 2 }, { 31, 30, 1 } } }, + { { { 31, 0, 1 }, { 31, 31, 1 } } }, + { { { 31, 0, 0 }, { 31, 31, 0 } } } }; -static SingleColourLookup const lookup_6_4[] = +static SingleColourLookup const lookup_6_4[] = { - { { { 0, 0, 0 }, { 0, 0, 0 } } }, - { { { 0, 0, 1 }, { 0, 1, 0 } } }, - { { { 0, 0, 2 }, { 0, 2, 0 } } }, - { { { 1, 0, 1 }, { 0, 3, 1 } } }, - { { { 1, 0, 0 }, { 0, 3, 0 } } }, - { { { 1, 0, 1 }, { 0, 4, 0 } } }, - { { { 1, 0, 2 }, { 0, 5, 0 } } }, - { { { 2, 0, 1 }, { 0, 6, 1 } } }, - { { { 2, 0, 0 }, { 0, 6, 0 } } }, - { { { 2, 0, 1 }, { 0, 7, 0 } } }, - { { { 2, 0, 2 }, { 0, 8, 0 } } }, - { { { 3, 0, 1 }, { 0, 9, 1 } } }, - { { { 3, 0, 0 }, { 0, 9, 0 } } }, - { { { 3, 0, 1 }, { 0, 10, 0 } } }, - { { { 3, 0, 2 }, { 0, 11, 0 } } }, - { { { 4, 0, 1 }, { 0, 12, 1 } } }, - { { { 4, 0, 0 }, { 0, 12, 0 } } }, - { { { 4, 0, 1 }, { 0, 13, 0 } } }, - { { { 4, 0, 2 }, { 0, 14, 0 } } }, - { { { 5, 0, 1 }, { 0, 15, 1 } } }, - { { { 5, 0, 0 }, { 0, 15, 0 } } }, - { { { 5, 0, 1 }, { 0, 16, 0 } } }, - { { { 5, 0, 2 }, { 1, 15, 0 } } }, - { { { 6, 0, 1 }, { 0, 17, 0 } } }, - { { { 6, 0, 0 }, { 0, 18, 0 } } }, - { { { 6, 0, 1 }, { 0, 19, 0 } } }, - { { { 6, 0, 2 }, { 3, 14, 0 } } }, - { { { 7, 0, 1 }, { 0, 20, 0 } } }, - { { { 7, 0, 0 }, { 0, 21, 0 } } }, - { { { 7, 0, 1 }, { 0, 22, 0 } } }, - { { { 7, 0, 2 }, { 4, 15, 0 } } }, - { { { 8, 0, 1 }, { 0, 23, 0 } } }, - { { { 8, 0, 0 }, { 0, 24, 0 } } }, - { { { 8, 0, 1 }, { 0, 25, 0 } } }, - { { { 8, 0, 2 }, { 6, 14, 0 } } }, - { { { 9, 0, 1 }, { 0, 26, 0 } } }, - { { { 9, 0, 0 }, { 0, 27, 0 } } }, - { { { 9, 0, 1 }, { 0, 28, 0 } } }, - { { { 9, 0, 2 }, { 7, 15, 0 } } }, - { { { 10, 0, 1 }, { 0, 29, 0 } } }, - { { { 10, 0, 0 }, { 0, 30, 0 } } }, - { { { 10, 0, 1 }, { 0, 31, 0 } } }, - { { { 10, 0, 2 }, { 9, 14, 0 } } }, - { { { 11, 0, 1 }, { 0, 32, 0 } } }, - { { { 11, 0, 0 }, { 0, 33, 0 } } }, - { { { 11, 0, 1 }, { 2, 30, 0 } } }, - { { { 11, 0, 2 }, { 0, 34, 0 } } }, - { { { 12, 0, 1 }, { 0, 35, 0 } } }, - { { { 12, 0, 0 }, { 0, 36, 0 } } }, - { { { 12, 0, 1 }, { 3, 31, 0 } } }, - { { { 12, 0, 2 }, { 0, 37, 0 } } }, - { { { 13, 0, 1 }, { 0, 38, 0 } } }, - { { { 13, 0, 0 }, { 0, 39, 0 } } }, - { { { 13, 0, 1 }, { 5, 30, 0 } } }, - { { { 13, 0, 2 }, { 0, 40, 0 } } }, - { { { 14, 0, 1 }, { 0, 41, 0 } } }, - { { { 14, 0, 0 }, { 0, 42, 0 } } }, - { { { 14, 0, 1 }, { 6, 31, 0 } } }, - { { { 14, 0, 2 }, { 0, 43, 0 } } }, - { { { 15, 0, 1 }, { 0, 44, 0 } } }, - { { { 15, 0, 0 }, { 0, 45, 0 } } }, - { { { 15, 0, 1 }, { 8, 30, 0 } } }, - { { { 15, 0, 2 }, { 0, 46, 0 } } }, - { { { 16, 0, 2 }, { 0, 47, 0 } } }, - { { { 16, 0, 1 }, { 1, 46, 0 } } }, - { { { 16, 0, 0 }, { 0, 48, 0 } } }, - { { { 16, 0, 1 }, { 0, 49, 0 } } }, - { { { 16, 0, 2 }, { 0, 50, 0 } } }, - { { { 17, 0, 1 }, { 2, 47, 0 } } }, - { { { 17, 0, 0 }, { 0, 51, 0 } } }, - { { { 17, 0, 1 }, { 0, 52, 0 } } }, - { { { 17, 0, 2 }, { 0, 53, 0 } } }, - { { { 18, 0, 1 }, { 4, 46, 0 } } }, - { { { 18, 0, 0 }, { 0, 54, 0 } } }, - { { { 18, 0, 1 }, { 0, 55, 0 } } }, - { { { 18, 0, 2 }, { 0, 56, 0 } } }, - { { { 19, 0, 1 }, { 5, 47, 0 } } }, - { { { 19, 0, 0 }, { 0, 57, 0 } } }, - { { { 19, 0, 1 }, { 0, 58, 0 } } }, - { { { 19, 0, 2 }, { 0, 59, 0 } } }, - { { { 20, 0, 1 }, { 7, 46, 0 } } }, - { { { 20, 0, 0 }, { 0, 60, 0 } } }, - { { { 20, 0, 1 }, { 0, 61, 0 } } }, - { { { 20, 0, 2 }, { 0, 62, 0 } } }, - { { { 21, 0, 1 }, { 8, 47, 0 } } }, - { { { 21, 0, 0 }, { 0, 63, 0 } } }, - { { { 21, 0, 1 }, { 1, 62, 0 } } }, - { { { 21, 0, 2 }, { 1, 63, 0 } } }, - { { { 22, 0, 1 }, { 10, 46, 0 } } }, - { { { 22, 0, 0 }, { 2, 62, 0 } } }, - { { { 22, 0, 1 }, { 2, 63, 0 } } }, - { { { 22, 0, 2 }, { 3, 62, 0 } } }, - { { { 23, 0, 1 }, { 11, 47, 0 } } }, - { { { 23, 0, 0 }, { 3, 63, 0 } } }, - { { { 23, 0, 1 }, { 4, 62, 0 } } }, - { { { 23, 0, 2 }, { 4, 63, 0 } } }, - { { { 24, 0, 1 }, { 13, 46, 0 } } }, - { { { 24, 0, 0 }, { 5, 62, 0 } } }, - { { { 24, 0, 1 }, { 5, 63, 0 } } }, - { { { 24, 0, 2 }, { 6, 62, 0 } } }, - { { { 25, 0, 1 }, { 14, 47, 0 } } }, - { { { 25, 0, 0 }, { 6, 63, 0 } } }, - { { { 25, 0, 1 }, { 7, 62, 0 } } }, - { { { 25, 0, 2 }, { 7, 63, 0 } } }, - { { { 26, 0, 1 }, { 16, 45, 0 } } }, - { { { 26, 0, 0 }, { 8, 62, 0 } } }, - { { { 26, 0, 1 }, { 8, 63, 0 } } }, - { { { 26, 0, 2 }, { 9, 62, 0 } } }, - { { { 27, 0, 1 }, { 16, 48, 0 } } }, - { { { 27, 0, 0 }, { 9, 63, 0 } } }, - { { { 27, 0, 1 }, { 10, 62, 0 } } }, - { { { 27, 0, 2 }, { 10, 63, 0 } } }, - { { { 28, 0, 1 }, { 16, 51, 0 } } }, - { { { 28, 0, 0 }, { 11, 62, 0 } } }, - { { { 28, 0, 1 }, { 11, 63, 0 } } }, - { { { 28, 0, 2 }, { 12, 62, 0 } } }, - { { { 29, 0, 1 }, { 16, 54, 0 } } }, - { { { 29, 0, 0 }, { 12, 63, 0 } } }, - { { { 29, 0, 1 }, { 13, 62, 0 } } }, - { { { 29, 0, 2 }, { 13, 63, 0 } } }, - { { { 30, 0, 1 }, { 16, 57, 0 } } }, - { { { 30, 0, 0 }, { 14, 62, 0 } } }, - { { { 30, 0, 1 }, { 14, 63, 0 } } }, - { { { 30, 0, 2 }, { 15, 62, 0 } } }, - { { { 31, 0, 1 }, { 16, 60, 0 } } }, - { { { 31, 0, 0 }, { 15, 63, 0 } } }, - { { { 31, 0, 1 }, { 24, 46, 0 } } }, - { { { 31, 0, 2 }, { 16, 62, 0 } } }, - { { { 32, 0, 2 }, { 16, 63, 0 } } }, - { { { 32, 0, 1 }, { 17, 62, 0 } } }, - { { { 32, 0, 0 }, { 25, 47, 0 } } }, - { { { 32, 0, 1 }, { 17, 63, 0 } } }, - { { { 32, 0, 2 }, { 18, 62, 0 } } }, - { { { 33, 0, 1 }, { 18, 63, 0 } } }, - { { { 33, 0, 0 }, { 27, 46, 0 } } }, - { { { 33, 0, 1 }, { 19, 62, 0 } } }, - { { { 33, 0, 2 }, { 19, 63, 0 } } }, - { { { 34, 0, 1 }, { 20, 62, 0 } } }, - { { { 34, 0, 0 }, { 28, 47, 0 } } }, - { { { 34, 0, 1 }, { 20, 63, 0 } } }, - { { { 34, 0, 2 }, { 21, 62, 0 } } }, - { { { 35, 0, 1 }, { 21, 63, 0 } } }, - { { { 35, 0, 0 }, { 30, 46, 0 } } }, - { { { 35, 0, 1 }, { 22, 62, 0 } } }, - { { { 35, 0, 2 }, { 22, 63, 0 } } }, - { { { 36, 0, 1 }, { 23, 62, 0 } } }, - { { { 36, 0, 0 }, { 31, 47, 0 } } }, - { { { 36, 0, 1 }, { 23, 63, 0 } } }, - { { { 36, 0, 2 }, { 24, 62, 0 } } }, - { { { 37, 0, 1 }, { 24, 63, 0 } } }, - { { { 37, 0, 0 }, { 32, 47, 0 } } }, - { { { 37, 0, 1 }, { 25, 62, 0 } } }, - { { { 37, 0, 2 }, { 25, 63, 0 } } }, - { { { 38, 0, 1 }, { 26, 62, 0 } } }, - { { { 38, 0, 0 }, { 32, 50, 0 } } }, - { { { 38, 0, 1 }, { 26, 63, 0 } } }, - { { { 38, 0, 2 }, { 27, 62, 0 } } }, - { { { 39, 0, 1 }, { 27, 63, 0 } } }, - { { { 39, 0, 0 }, { 32, 53, 0 } } }, - { { { 39, 0, 1 }, { 28, 62, 0 } } }, - { { { 39, 0, 2 }, { 28, 63, 0 } } }, - { { { 40, 0, 1 }, { 29, 62, 0 } } }, - { { { 40, 0, 0 }, { 32, 56, 0 } } }, - { { { 40, 0, 1 }, { 29, 63, 0 } } }, - { { { 40, 0, 2 }, { 30, 62, 0 } } }, - { { { 41, 0, 1 }, { 30, 63, 0 } } }, - { { { 41, 0, 0 }, { 32, 59, 0 } } }, - { { { 41, 0, 1 }, { 31, 62, 0 } } }, - { { { 41, 0, 2 }, { 31, 63, 0 } } }, - { { { 42, 0, 1 }, { 32, 61, 0 } } }, - { { { 42, 0, 0 }, { 32, 62, 0 } } }, - { { { 42, 0, 1 }, { 32, 63, 0 } } }, - { { { 42, 0, 2 }, { 41, 46, 0 } } }, - { { { 43, 0, 1 }, { 33, 62, 0 } } }, - { { { 43, 0, 0 }, { 33, 63, 0 } } }, - { { { 43, 0, 1 }, { 34, 62, 0 } } }, - { { { 43, 0, 2 }, { 42, 47, 0 } } }, - { { { 44, 0, 1 }, { 34, 63, 0 } } }, - { { { 44, 0, 0 }, { 35, 62, 0 } } }, - { { { 44, 0, 1 }, { 35, 63, 0 } } }, - { { { 44, 0, 2 }, { 44, 46, 0 } } }, - { { { 45, 0, 1 }, { 36, 62, 0 } } }, - { { { 45, 0, 0 }, { 36, 63, 0 } } }, - { { { 45, 0, 1 }, { 37, 62, 0 } } }, - { { { 45, 0, 2 }, { 45, 47, 0 } } }, - { { { 46, 0, 1 }, { 37, 63, 0 } } }, - { { { 46, 0, 0 }, { 38, 62, 0 } } }, - { { { 46, 0, 1 }, { 38, 63, 0 } } }, - { { { 46, 0, 2 }, { 47, 46, 0 } } }, - { { { 47, 0, 1 }, { 39, 62, 0 } } }, - { { { 47, 0, 0 }, { 39, 63, 0 } } }, - { { { 47, 0, 1 }, { 40, 62, 0 } } }, - { { { 47, 0, 2 }, { 48, 46, 0 } } }, - { { { 48, 0, 2 }, { 40, 63, 0 } } }, - { { { 48, 0, 1 }, { 41, 62, 0 } } }, - { { { 48, 0, 0 }, { 41, 63, 0 } } }, - { { { 48, 0, 1 }, { 48, 49, 0 } } }, - { { { 48, 0, 2 }, { 42, 62, 0 } } }, - { { { 49, 0, 1 }, { 42, 63, 0 } } }, - { { { 49, 0, 0 }, { 43, 62, 0 } } }, - { { { 49, 0, 1 }, { 48, 52, 0 } } }, - { { { 49, 0, 2 }, { 43, 63, 0 } } }, - { { { 50, 0, 1 }, { 44, 62, 0 } } }, - { { { 50, 0, 0 }, { 44, 63, 0 } } }, - { { { 50, 0, 1 }, { 48, 55, 0 } } }, - { { { 50, 0, 2 }, { 45, 62, 0 } } }, - { { { 51, 0, 1 }, { 45, 63, 0 } } }, - { { { 51, 0, 0 }, { 46, 62, 0 } } }, - { { { 51, 0, 1 }, { 48, 58, 0 } } }, - { { { 51, 0, 2 }, { 46, 63, 0 } } }, - { { { 52, 0, 1 }, { 47, 62, 0 } } }, - { { { 52, 0, 0 }, { 47, 63, 0 } } }, - { { { 52, 0, 1 }, { 48, 61, 0 } } }, - { { { 52, 0, 2 }, { 48, 62, 0 } } }, - { { { 53, 0, 1 }, { 56, 47, 0 } } }, - { { { 53, 0, 0 }, { 48, 63, 0 } } }, - { { { 53, 0, 1 }, { 49, 62, 0 } } }, - { { { 53, 0, 2 }, { 49, 63, 0 } } }, - { { { 54, 0, 1 }, { 58, 46, 0 } } }, - { { { 54, 0, 0 }, { 50, 62, 0 } } }, - { { { 54, 0, 1 }, { 50, 63, 0 } } }, - { { { 54, 0, 2 }, { 51, 62, 0 } } }, - { { { 55, 0, 1 }, { 59, 47, 0 } } }, - { { { 55, 0, 0 }, { 51, 63, 0 } } }, - { { { 55, 0, 1 }, { 52, 62, 0 } } }, - { { { 55, 0, 2 }, { 52, 63, 0 } } }, - { { { 56, 0, 1 }, { 61, 46, 0 } } }, - { { { 56, 0, 0 }, { 53, 62, 0 } } }, - { { { 56, 0, 1 }, { 53, 63, 0 } } }, - { { { 56, 0, 2 }, { 54, 62, 0 } } }, - { { { 57, 0, 1 }, { 62, 47, 0 } } }, - { { { 57, 0, 0 }, { 54, 63, 0 } } }, - { { { 57, 0, 1 }, { 55, 62, 0 } } }, - { { { 57, 0, 2 }, { 55, 63, 0 } } }, - { { { 58, 0, 1 }, { 56, 62, 1 } } }, - { { { 58, 0, 0 }, { 56, 62, 0 } } }, - { { { 58, 0, 1 }, { 56, 63, 0 } } }, - { { { 58, 0, 2 }, { 57, 62, 0 } } }, - { { { 59, 0, 1 }, { 57, 63, 1 } } }, - { { { 59, 0, 0 }, { 57, 63, 0 } } }, - { { { 59, 0, 1 }, { 58, 62, 0 } } }, - { { { 59, 0, 2 }, { 58, 63, 0 } } }, - { { { 60, 0, 1 }, { 59, 62, 1 } } }, - { { { 60, 0, 0 }, { 59, 62, 0 } } }, - { { { 60, 0, 1 }, { 59, 63, 0 } } }, - { { { 60, 0, 2 }, { 60, 62, 0 } } }, - { { { 61, 0, 1 }, { 60, 63, 1 } } }, - { { { 61, 0, 0 }, { 60, 63, 0 } } }, - { { { 61, 0, 1 }, { 61, 62, 0 } } }, - { { { 61, 0, 2 }, { 61, 63, 0 } } }, - { { { 62, 0, 1 }, { 62, 62, 1 } } }, - { { { 62, 0, 0 }, { 62, 62, 0 } } }, - { { { 62, 0, 1 }, { 62, 63, 0 } } }, - { { { 62, 0, 2 }, { 63, 62, 0 } } }, - { { { 63, 0, 1 }, { 63, 63, 1 } } }, - { { { 63, 0, 0 }, { 63, 63, 0 } } } + { { { 0, 0, 0 }, { 0, 0, 0 } } }, + { { { 0, 0, 1 }, { 0, 1, 0 } } }, + { { { 0, 0, 2 }, { 0, 2, 0 } } }, + { { { 1, 0, 1 }, { 0, 3, 1 } } }, + { { { 1, 0, 0 }, { 0, 3, 0 } } }, + { { { 1, 0, 1 }, { 0, 4, 0 } } }, + { { { 1, 0, 2 }, { 0, 5, 0 } } }, + { { { 2, 0, 1 }, { 0, 6, 1 } } }, + { { { 2, 0, 0 }, { 0, 6, 0 } } }, + { { { 2, 0, 1 }, { 0, 7, 0 } } }, + { { { 2, 0, 2 }, { 0, 8, 0 } } }, + { { { 3, 0, 1 }, { 0, 9, 1 } } }, + { { { 3, 0, 0 }, { 0, 9, 0 } } }, + { { { 3, 0, 1 }, { 0, 10, 0 } } }, + { { { 3, 0, 2 }, { 0, 11, 0 } } }, + { { { 4, 0, 1 }, { 0, 12, 1 } } }, + { { { 4, 0, 0 }, { 0, 12, 0 } } }, + { { { 4, 0, 1 }, { 0, 13, 0 } } }, + { { { 4, 0, 2 }, { 0, 14, 0 } } }, + { { { 5, 0, 1 }, { 0, 15, 1 } } }, + { { { 5, 0, 0 }, { 0, 15, 0 } } }, + { { { 5, 0, 1 }, { 0, 16, 0 } } }, + { { { 5, 0, 2 }, { 1, 15, 0 } } }, + { { { 6, 0, 1 }, { 0, 17, 0 } } }, + { { { 6, 0, 0 }, { 0, 18, 0 } } }, + { { { 6, 0, 1 }, { 0, 19, 0 } } }, + { { { 6, 0, 2 }, { 3, 14, 0 } } }, + { { { 7, 0, 1 }, { 0, 20, 0 } } }, + { { { 7, 0, 0 }, { 0, 21, 0 } } }, + { { { 7, 0, 1 }, { 0, 22, 0 } } }, + { { { 7, 0, 2 }, { 4, 15, 0 } } }, + { { { 8, 0, 1 }, { 0, 23, 0 } } }, + { { { 8, 0, 0 }, { 0, 24, 0 } } }, + { { { 8, 0, 1 }, { 0, 25, 0 } } }, + { { { 8, 0, 2 }, { 6, 14, 0 } } }, + { { { 9, 0, 1 }, { 0, 26, 0 } } }, + { { { 9, 0, 0 }, { 0, 27, 0 } } }, + { { { 9, 0, 1 }, { 0, 28, 0 } } }, + { { { 9, 0, 2 }, { 7, 15, 0 } } }, + { { { 10, 0, 1 }, { 0, 29, 0 } } }, + { { { 10, 0, 0 }, { 0, 30, 0 } } }, + { { { 10, 0, 1 }, { 0, 31, 0 } } }, + { { { 10, 0, 2 }, { 9, 14, 0 } } }, + { { { 11, 0, 1 }, { 0, 32, 0 } } }, + { { { 11, 0, 0 }, { 0, 33, 0 } } }, + { { { 11, 0, 1 }, { 2, 30, 0 } } }, + { { { 11, 0, 2 }, { 0, 34, 0 } } }, + { { { 12, 0, 1 }, { 0, 35, 0 } } }, + { { { 12, 0, 0 }, { 0, 36, 0 } } }, + { { { 12, 0, 1 }, { 3, 31, 0 } } }, + { { { 12, 0, 2 }, { 0, 37, 0 } } }, + { { { 13, 0, 1 }, { 0, 38, 0 } } }, + { { { 13, 0, 0 }, { 0, 39, 0 } } }, + { { { 13, 0, 1 }, { 5, 30, 0 } } }, + { { { 13, 0, 2 }, { 0, 40, 0 } } }, + { { { 14, 0, 1 }, { 0, 41, 0 } } }, + { { { 14, 0, 0 }, { 0, 42, 0 } } }, + { { { 14, 0, 1 }, { 6, 31, 0 } } }, + { { { 14, 0, 2 }, { 0, 43, 0 } } }, + { { { 15, 0, 1 }, { 0, 44, 0 } } }, + { { { 15, 0, 0 }, { 0, 45, 0 } } }, + { { { 15, 0, 1 }, { 8, 30, 0 } } }, + { { { 15, 0, 2 }, { 0, 46, 0 } } }, + { { { 16, 0, 2 }, { 0, 47, 0 } } }, + { { { 16, 0, 1 }, { 1, 46, 0 } } }, + { { { 16, 0, 0 }, { 0, 48, 0 } } }, + { { { 16, 0, 1 }, { 0, 49, 0 } } }, + { { { 16, 0, 2 }, { 0, 50, 0 } } }, + { { { 17, 0, 1 }, { 2, 47, 0 } } }, + { { { 17, 0, 0 }, { 0, 51, 0 } } }, + { { { 17, 0, 1 }, { 0, 52, 0 } } }, + { { { 17, 0, 2 }, { 0, 53, 0 } } }, + { { { 18, 0, 1 }, { 4, 46, 0 } } }, + { { { 18, 0, 0 }, { 0, 54, 0 } } }, + { { { 18, 0, 1 }, { 0, 55, 0 } } }, + { { { 18, 0, 2 }, { 0, 56, 0 } } }, + { { { 19, 0, 1 }, { 5, 47, 0 } } }, + { { { 19, 0, 0 }, { 0, 57, 0 } } }, + { { { 19, 0, 1 }, { 0, 58, 0 } } }, + { { { 19, 0, 2 }, { 0, 59, 0 } } }, + { { { 20, 0, 1 }, { 7, 46, 0 } } }, + { { { 20, 0, 0 }, { 0, 60, 0 } } }, + { { { 20, 0, 1 }, { 0, 61, 0 } } }, + { { { 20, 0, 2 }, { 0, 62, 0 } } }, + { { { 21, 0, 1 }, { 8, 47, 0 } } }, + { { { 21, 0, 0 }, { 0, 63, 0 } } }, + { { { 21, 0, 1 }, { 1, 62, 0 } } }, + { { { 21, 0, 2 }, { 1, 63, 0 } } }, + { { { 22, 0, 1 }, { 10, 46, 0 } } }, + { { { 22, 0, 0 }, { 2, 62, 0 } } }, + { { { 22, 0, 1 }, { 2, 63, 0 } } }, + { { { 22, 0, 2 }, { 3, 62, 0 } } }, + { { { 23, 0, 1 }, { 11, 47, 0 } } }, + { { { 23, 0, 0 }, { 3, 63, 0 } } }, + { { { 23, 0, 1 }, { 4, 62, 0 } } }, + { { { 23, 0, 2 }, { 4, 63, 0 } } }, + { { { 24, 0, 1 }, { 13, 46, 0 } } }, + { { { 24, 0, 0 }, { 5, 62, 0 } } }, + { { { 24, 0, 1 }, { 5, 63, 0 } } }, + { { { 24, 0, 2 }, { 6, 62, 0 } } }, + { { { 25, 0, 1 }, { 14, 47, 0 } } }, + { { { 25, 0, 0 }, { 6, 63, 0 } } }, + { { { 25, 0, 1 }, { 7, 62, 0 } } }, + { { { 25, 0, 2 }, { 7, 63, 0 } } }, + { { { 26, 0, 1 }, { 16, 45, 0 } } }, + { { { 26, 0, 0 }, { 8, 62, 0 } } }, + { { { 26, 0, 1 }, { 8, 63, 0 } } }, + { { { 26, 0, 2 }, { 9, 62, 0 } } }, + { { { 27, 0, 1 }, { 16, 48, 0 } } }, + { { { 27, 0, 0 }, { 9, 63, 0 } } }, + { { { 27, 0, 1 }, { 10, 62, 0 } } }, + { { { 27, 0, 2 }, { 10, 63, 0 } } }, + { { { 28, 0, 1 }, { 16, 51, 0 } } }, + { { { 28, 0, 0 }, { 11, 62, 0 } } }, + { { { 28, 0, 1 }, { 11, 63, 0 } } }, + { { { 28, 0, 2 }, { 12, 62, 0 } } }, + { { { 29, 0, 1 }, { 16, 54, 0 } } }, + { { { 29, 0, 0 }, { 12, 63, 0 } } }, + { { { 29, 0, 1 }, { 13, 62, 0 } } }, + { { { 29, 0, 2 }, { 13, 63, 0 } } }, + { { { 30, 0, 1 }, { 16, 57, 0 } } }, + { { { 30, 0, 0 }, { 14, 62, 0 } } }, + { { { 30, 0, 1 }, { 14, 63, 0 } } }, + { { { 30, 0, 2 }, { 15, 62, 0 } } }, + { { { 31, 0, 1 }, { 16, 60, 0 } } }, + { { { 31, 0, 0 }, { 15, 63, 0 } } }, + { { { 31, 0, 1 }, { 24, 46, 0 } } }, + { { { 31, 0, 2 }, { 16, 62, 0 } } }, + { { { 32, 0, 2 }, { 16, 63, 0 } } }, + { { { 32, 0, 1 }, { 17, 62, 0 } } }, + { { { 32, 0, 0 }, { 25, 47, 0 } } }, + { { { 32, 0, 1 }, { 17, 63, 0 } } }, + { { { 32, 0, 2 }, { 18, 62, 0 } } }, + { { { 33, 0, 1 }, { 18, 63, 0 } } }, + { { { 33, 0, 0 }, { 27, 46, 0 } } }, + { { { 33, 0, 1 }, { 19, 62, 0 } } }, + { { { 33, 0, 2 }, { 19, 63, 0 } } }, + { { { 34, 0, 1 }, { 20, 62, 0 } } }, + { { { 34, 0, 0 }, { 28, 47, 0 } } }, + { { { 34, 0, 1 }, { 20, 63, 0 } } }, + { { { 34, 0, 2 }, { 21, 62, 0 } } }, + { { { 35, 0, 1 }, { 21, 63, 0 } } }, + { { { 35, 0, 0 }, { 30, 46, 0 } } }, + { { { 35, 0, 1 }, { 22, 62, 0 } } }, + { { { 35, 0, 2 }, { 22, 63, 0 } } }, + { { { 36, 0, 1 }, { 23, 62, 0 } } }, + { { { 36, 0, 0 }, { 31, 47, 0 } } }, + { { { 36, 0, 1 }, { 23, 63, 0 } } }, + { { { 36, 0, 2 }, { 24, 62, 0 } } }, + { { { 37, 0, 1 }, { 24, 63, 0 } } }, + { { { 37, 0, 0 }, { 32, 47, 0 } } }, + { { { 37, 0, 1 }, { 25, 62, 0 } } }, + { { { 37, 0, 2 }, { 25, 63, 0 } } }, + { { { 38, 0, 1 }, { 26, 62, 0 } } }, + { { { 38, 0, 0 }, { 32, 50, 0 } } }, + { { { 38, 0, 1 }, { 26, 63, 0 } } }, + { { { 38, 0, 2 }, { 27, 62, 0 } } }, + { { { 39, 0, 1 }, { 27, 63, 0 } } }, + { { { 39, 0, 0 }, { 32, 53, 0 } } }, + { { { 39, 0, 1 }, { 28, 62, 0 } } }, + { { { 39, 0, 2 }, { 28, 63, 0 } } }, + { { { 40, 0, 1 }, { 29, 62, 0 } } }, + { { { 40, 0, 0 }, { 32, 56, 0 } } }, + { { { 40, 0, 1 }, { 29, 63, 0 } } }, + { { { 40, 0, 2 }, { 30, 62, 0 } } }, + { { { 41, 0, 1 }, { 30, 63, 0 } } }, + { { { 41, 0, 0 }, { 32, 59, 0 } } }, + { { { 41, 0, 1 }, { 31, 62, 0 } } }, + { { { 41, 0, 2 }, { 31, 63, 0 } } }, + { { { 42, 0, 1 }, { 32, 61, 0 } } }, + { { { 42, 0, 0 }, { 32, 62, 0 } } }, + { { { 42, 0, 1 }, { 32, 63, 0 } } }, + { { { 42, 0, 2 }, { 41, 46, 0 } } }, + { { { 43, 0, 1 }, { 33, 62, 0 } } }, + { { { 43, 0, 0 }, { 33, 63, 0 } } }, + { { { 43, 0, 1 }, { 34, 62, 0 } } }, + { { { 43, 0, 2 }, { 42, 47, 0 } } }, + { { { 44, 0, 1 }, { 34, 63, 0 } } }, + { { { 44, 0, 0 }, { 35, 62, 0 } } }, + { { { 44, 0, 1 }, { 35, 63, 0 } } }, + { { { 44, 0, 2 }, { 44, 46, 0 } } }, + { { { 45, 0, 1 }, { 36, 62, 0 } } }, + { { { 45, 0, 0 }, { 36, 63, 0 } } }, + { { { 45, 0, 1 }, { 37, 62, 0 } } }, + { { { 45, 0, 2 }, { 45, 47, 0 } } }, + { { { 46, 0, 1 }, { 37, 63, 0 } } }, + { { { 46, 0, 0 }, { 38, 62, 0 } } }, + { { { 46, 0, 1 }, { 38, 63, 0 } } }, + { { { 46, 0, 2 }, { 47, 46, 0 } } }, + { { { 47, 0, 1 }, { 39, 62, 0 } } }, + { { { 47, 0, 0 }, { 39, 63, 0 } } }, + { { { 47, 0, 1 }, { 40, 62, 0 } } }, + { { { 47, 0, 2 }, { 48, 46, 0 } } }, + { { { 48, 0, 2 }, { 40, 63, 0 } } }, + { { { 48, 0, 1 }, { 41, 62, 0 } } }, + { { { 48, 0, 0 }, { 41, 63, 0 } } }, + { { { 48, 0, 1 }, { 48, 49, 0 } } }, + { { { 48, 0, 2 }, { 42, 62, 0 } } }, + { { { 49, 0, 1 }, { 42, 63, 0 } } }, + { { { 49, 0, 0 }, { 43, 62, 0 } } }, + { { { 49, 0, 1 }, { 48, 52, 0 } } }, + { { { 49, 0, 2 }, { 43, 63, 0 } } }, + { { { 50, 0, 1 }, { 44, 62, 0 } } }, + { { { 50, 0, 0 }, { 44, 63, 0 } } }, + { { { 50, 0, 1 }, { 48, 55, 0 } } }, + { { { 50, 0, 2 }, { 45, 62, 0 } } }, + { { { 51, 0, 1 }, { 45, 63, 0 } } }, + { { { 51, 0, 0 }, { 46, 62, 0 } } }, + { { { 51, 0, 1 }, { 48, 58, 0 } } }, + { { { 51, 0, 2 }, { 46, 63, 0 } } }, + { { { 52, 0, 1 }, { 47, 62, 0 } } }, + { { { 52, 0, 0 }, { 47, 63, 0 } } }, + { { { 52, 0, 1 }, { 48, 61, 0 } } }, + { { { 52, 0, 2 }, { 48, 62, 0 } } }, + { { { 53, 0, 1 }, { 56, 47, 0 } } }, + { { { 53, 0, 0 }, { 48, 63, 0 } } }, + { { { 53, 0, 1 }, { 49, 62, 0 } } }, + { { { 53, 0, 2 }, { 49, 63, 0 } } }, + { { { 54, 0, 1 }, { 58, 46, 0 } } }, + { { { 54, 0, 0 }, { 50, 62, 0 } } }, + { { { 54, 0, 1 }, { 50, 63, 0 } } }, + { { { 54, 0, 2 }, { 51, 62, 0 } } }, + { { { 55, 0, 1 }, { 59, 47, 0 } } }, + { { { 55, 0, 0 }, { 51, 63, 0 } } }, + { { { 55, 0, 1 }, { 52, 62, 0 } } }, + { { { 55, 0, 2 }, { 52, 63, 0 } } }, + { { { 56, 0, 1 }, { 61, 46, 0 } } }, + { { { 56, 0, 0 }, { 53, 62, 0 } } }, + { { { 56, 0, 1 }, { 53, 63, 0 } } }, + { { { 56, 0, 2 }, { 54, 62, 0 } } }, + { { { 57, 0, 1 }, { 62, 47, 0 } } }, + { { { 57, 0, 0 }, { 54, 63, 0 } } }, + { { { 57, 0, 1 }, { 55, 62, 0 } } }, + { { { 57, 0, 2 }, { 55, 63, 0 } } }, + { { { 58, 0, 1 }, { 56, 62, 1 } } }, + { { { 58, 0, 0 }, { 56, 62, 0 } } }, + { { { 58, 0, 1 }, { 56, 63, 0 } } }, + { { { 58, 0, 2 }, { 57, 62, 0 } } }, + { { { 59, 0, 1 }, { 57, 63, 1 } } }, + { { { 59, 0, 0 }, { 57, 63, 0 } } }, + { { { 59, 0, 1 }, { 58, 62, 0 } } }, + { { { 59, 0, 2 }, { 58, 63, 0 } } }, + { { { 60, 0, 1 }, { 59, 62, 1 } } }, + { { { 60, 0, 0 }, { 59, 62, 0 } } }, + { { { 60, 0, 1 }, { 59, 63, 0 } } }, + { { { 60, 0, 2 }, { 60, 62, 0 } } }, + { { { 61, 0, 1 }, { 60, 63, 1 } } }, + { { { 61, 0, 0 }, { 60, 63, 0 } } }, + { { { 61, 0, 1 }, { 61, 62, 0 } } }, + { { { 61, 0, 2 }, { 61, 63, 0 } } }, + { { { 62, 0, 1 }, { 62, 62, 1 } } }, + { { { 62, 0, 0 }, { 62, 62, 0 } } }, + { { { 62, 0, 1 }, { 62, 63, 0 } } }, + { { { 62, 0, 2 }, { 63, 62, 0 } } }, + { { { 63, 0, 1 }, { 63, 63, 1 } } }, + { { { 63, 0, 0 }, { 63, 63, 0 } } } }; diff --git a/thirdparty/squish/squish.cpp b/thirdparty/squish/squish.cpp index bbe89bfcfe..d3cbabbafd 100644 --- a/thirdparty/squish/squish.cpp +++ b/thirdparty/squish/squish.cpp @@ -1,29 +1,30 @@ /* ----------------------------------------------------------------------------- - Copyright (c) 2006 Simon Brown si@sjbrown.co.uk - - Permission is hereby granted, free of charge, to any person obtaining - a copy of this software and associated documentation files (the - "Software"), to deal in the Software without restriction, including - without limitation the rights to use, copy, modify, merge, publish, - distribute, sublicense, and/or sell copies of the Software, and to - permit persons to whom the Software is furnished to do so, subject to - the following conditions: - - The above copyright notice and this permission notice shall be included - in all copies or substantial portions of the Software. - - THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY - CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - + Copyright (c) 2006 Simon Brown si@sjbrown.co.uk + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + "Software"), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + -------------------------------------------------------------------------- */ - -#include <squish.h> + +#include <string.h> +#include "squish.h" #include "colourset.h" #include "maths.h" #include "rangefit.h" @@ -36,204 +37,359 @@ namespace squish { static int FixFlags( int flags ) { - // grab the flag bits - int method = flags & ( kDxt1 | kDxt3 | kDxt5 ); - int fit = flags & ( kColourIterativeClusterFit | kColourClusterFit | kColourRangeFit ); - int metric = flags & ( kColourMetricPerceptual | kColourMetricUniform ); - int extra = flags & kWeightColourByAlpha; - - // set defaults - if( method != kDxt3 && method != kDxt5 ) - method = kDxt1; - if( fit != kColourRangeFit ) - fit = kColourClusterFit; - if( metric != kColourMetricUniform ) - metric = kColourMetricPerceptual; - - // done - return method | fit | metric | extra; -} + // grab the flag bits + int method = flags & ( kDxt1 | kDxt3 | kDxt5 | kBc4 | kBc5 ); + int fit = flags & ( kColourIterativeClusterFit | kColourClusterFit | kColourRangeFit ); + int extra = flags & kWeightColourByAlpha; -void Compress( u8 const* rgba, void* block, int flags ) -{ - // compress with full mask - CompressMasked( rgba, 0xffff, block, flags ); + // set defaults + if ( method != kDxt3 + && method != kDxt5 + && method != kBc4 + && method != kBc5 ) + { + method = kDxt1; + } + if( fit != kColourRangeFit && fit != kColourIterativeClusterFit ) + fit = kColourClusterFit; + + // done + return method | fit | extra; } -void CompressMasked( u8 const* rgba, int mask, void* block, int flags ) +void CompressMasked( u8 const* rgba, int mask, void* block, int flags, float* metric ) { - // fix any bad flags - flags = FixFlags( flags ); - - // get the block locations - void* colourBlock = block; - void* alphaBock = block; - if( ( flags & ( kDxt3 | kDxt5 ) ) != 0 ) - colourBlock = reinterpret_cast< u8* >( block ) + 8; - - // create the minimal point set - ColourSet colours( rgba, mask, flags ); - - // check the compression type and compress colour - if( colours.GetCount() == 1 ) - { - // always do a single colour fit - SingleColourFit fit( &colours, flags ); - fit.Compress( colourBlock ); - } - else if( ( flags & kColourRangeFit ) != 0 || colours.GetCount() == 0 ) - { - // do a range fit - RangeFit fit( &colours, flags ); - fit.Compress( colourBlock ); - } - else - { - // default to a cluster fit (could be iterative or not) - ClusterFit fit( &colours, flags ); - fit.Compress( colourBlock ); - } - - // compress alpha separately if necessary - if( ( flags & kDxt3 ) != 0 ) - CompressAlphaDxt3( rgba, mask, alphaBock ); - else if( ( flags & kDxt5 ) != 0 ) - CompressAlphaDxt5( rgba, mask, alphaBock ); + // fix any bad flags + flags = FixFlags( flags ); + + if ( ( flags & ( kBc4 | kBc5 ) ) != 0 ) + { + u8 alpha[16*4]; + for( int i = 0; i < 16; ++i ) + { + alpha[i*4 + 3] = rgba[i*4 + 0]; // copy R to A + } + + u8* rBlock = reinterpret_cast< u8* >( block ); + CompressAlphaDxt5( alpha, mask, rBlock ); + + if ( ( flags & ( kBc5 ) ) != 0 ) + { + for( int i = 0; i < 16; ++i ) + { + alpha[i*4 + 3] = rgba[i*4 + 1]; // copy G to A + } + + u8* gBlock = reinterpret_cast< u8* >( block ) + 8; + CompressAlphaDxt5( alpha, mask, gBlock ); + } + + return; + } + + // get the block locations + void* colourBlock = block; + void* alphaBlock = block; + if( ( flags & ( kDxt3 | kDxt5 ) ) != 0 ) + colourBlock = reinterpret_cast< u8* >( block ) + 8; + + // create the minimal point set + ColourSet colours( rgba, mask, flags ); + + // check the compression type and compress colour + if( colours.GetCount() == 1 ) + { + // always do a single colour fit + SingleColourFit fit( &colours, flags ); + fit.Compress( colourBlock ); + } + else if( ( flags & kColourRangeFit ) != 0 || colours.GetCount() == 0 ) + { + // do a range fit + RangeFit fit( &colours, flags, metric ); + fit.Compress( colourBlock ); + } + else + { + // default to a cluster fit (could be iterative or not) + ClusterFit fit( &colours, flags, metric ); + fit.Compress( colourBlock ); + } + + // compress alpha separately if necessary + if( ( flags & kDxt3 ) != 0 ) + CompressAlphaDxt3( rgba, mask, alphaBlock ); + else if( ( flags & kDxt5 ) != 0 ) + CompressAlphaDxt5( rgba, mask, alphaBlock ); } void Decompress( u8* rgba, void const* block, int flags ) { - // fix any bad flags - flags = FixFlags( flags ); - - // get the block locations - void const* colourBlock = block; - void const* alphaBock = block; - if( ( flags & ( kDxt3 | kDxt5 ) ) != 0 ) - colourBlock = reinterpret_cast< u8 const* >( block ) + 8; - - // decompress colour - DecompressColour( rgba, colourBlock, ( flags & kDxt1 ) != 0 ); - - // decompress alpha separately if necessary - if( ( flags & kDxt3 ) != 0 ) - DecompressAlphaDxt3( rgba, alphaBock ); - else if( ( flags & kDxt5 ) != 0 ) - DecompressAlphaDxt5( rgba, alphaBock ); + // fix any bad flags + flags = FixFlags( flags ); + + // get the block locations + void const* colourBlock = block; + void const* alphaBlock = block; + if( ( flags & ( kDxt3 | kDxt5 ) ) != 0 ) + colourBlock = reinterpret_cast< u8 const* >( block ) + 8; + + // decompress colour + DecompressColour( rgba, colourBlock, ( flags & kDxt1 ) != 0 ); + + // decompress alpha separately if necessary + if( ( flags & kDxt3 ) != 0 ) + DecompressAlphaDxt3( rgba, alphaBlock ); + else if( ( flags & kDxt5 ) != 0 ) + DecompressAlphaDxt5( rgba, alphaBlock ); } int GetStorageRequirements( int width, int height, int flags ) { - // fix any bad flags - flags = FixFlags( flags ); - - // compute the storage requirements - int blockcount = ( ( width + 3 )/4 ) * ( ( height + 3 )/4 ); - int blocksize = ( ( flags & kDxt1 ) != 0 ) ? 8 : 16; - return blockcount*blocksize; + // fix any bad flags + flags = FixFlags( flags ); + + // compute the storage requirements + int blockcount = ( ( width + 3 )/4 ) * ( ( height + 3 )/4 ); + int blocksize = ( ( flags & ( kDxt1 | kBc4 ) ) != 0 ) ? 8 : 16; + return blockcount*blocksize; +} + +void CopyRGBA( u8 const* source, u8* dest, int flags ) +{ + if (flags & kSourceBGRA) + { + // convert from bgra to rgba + dest[0] = source[2]; + dest[1] = source[1]; + dest[2] = source[0]; + dest[3] = source[3]; + } + else + { + for( int i = 0; i < 4; ++i ) + *dest++ = *source++; + } +} + +void CompressImage( u8 const* rgba, int width, int height, int pitch, void* blocks, int flags, float* metric ) +{ + // fix any bad flags + flags = FixFlags( flags ); + + // initialise the block output + u8* targetBlock = reinterpret_cast< u8* >( blocks ); + int bytesPerBlock = ( ( flags & ( kDxt1 | kBc4 ) ) != 0 ) ? 8 : 16; + + // loop over blocks + for( int y = 0; y < height; y += 4 ) + { + for( int x = 0; x < width; x += 4 ) + { + // build the 4x4 block of pixels + u8 sourceRgba[16*4]; + u8* targetPixel = sourceRgba; + int mask = 0; + for( int py = 0; py < 4; ++py ) + { + for( int px = 0; px < 4; ++px ) + { + // get the source pixel in the image + int sx = x + px; + int sy = y + py; + + // enable if we're in the image + if( sx < width && sy < height ) + { + // copy the rgba value + u8 const* sourcePixel = rgba + pitch*sy + 4*sx; + CopyRGBA(sourcePixel, targetPixel, flags); + // enable this pixel + mask |= ( 1 << ( 4*py + px ) ); + } + + // advance to the next pixel + targetPixel += 4; + } + } + + // compress it into the output + CompressMasked( sourceRgba, mask, targetBlock, flags, metric ); + + // advance + targetBlock += bytesPerBlock; + } + } +} + +void CompressImage( u8 const* rgba, int width, int height, void* blocks, int flags, float* metric ) +{ + CompressImage(rgba, width, height, width*4, blocks, flags, metric); } -void CompressImage( u8 const* rgba, int width, int height, void* blocks, int flags ) +void DecompressImage( u8* rgba, int width, int height, int pitch, void const* blocks, int flags ) { - // fix any bad flags - flags = FixFlags( flags ); - - // initialise the block output - u8* targetBlock = reinterpret_cast< u8* >( blocks ); - int bytesPerBlock = ( ( flags & kDxt1 ) != 0 ) ? 8 : 16; - - // loop over blocks - for( int y = 0; y < height; y += 4 ) - { - for( int x = 0; x < width; x += 4 ) - { - // build the 4x4 block of pixels - u8 sourceRgba[16*4]; - u8* targetPixel = sourceRgba; - int mask = 0; - for( int py = 0; py < 4; ++py ) - { - for( int px = 0; px < 4; ++px ) - { - // get the source pixel in the image - int sx = x + px; - int sy = y + py; - - // enable if we're in the image - if( sx < width && sy < height ) - { - // copy the rgba value - u8 const* sourcePixel = rgba + 4*( width*sy + sx ); - for( int i = 0; i < 4; ++i ) - *targetPixel++ = *sourcePixel++; - - // enable this pixel - mask |= ( 1 << ( 4*py + px ) ); - } - else - { - // skip this pixel as its outside the image - targetPixel += 4; - } - } - } - - // compress it into the output - CompressMasked( sourceRgba, mask, targetBlock, flags ); - - // advance - targetBlock += bytesPerBlock; - } - } + // fix any bad flags + flags = FixFlags( flags ); + + // initialise the block input + u8 const* sourceBlock = reinterpret_cast< u8 const* >( blocks ); + int bytesPerBlock = ( ( flags & ( kDxt1 | kBc4 ) ) != 0 ) ? 8 : 16; + + // loop over blocks + for( int y = 0; y < height; y += 4 ) + { + for( int x = 0; x < width; x += 4 ) + { + // decompress the block + u8 targetRgba[4*16]; + Decompress( targetRgba, sourceBlock, flags ); + + // write the decompressed pixels to the correct image locations + u8 const* sourcePixel = targetRgba; + for( int py = 0; py < 4; ++py ) + { + for( int px = 0; px < 4; ++px ) + { + // get the target location + int sx = x + px; + int sy = y + py; + + // write if we're in the image + if( sx < width && sy < height ) + { + // copy the rgba value + u8* targetPixel = rgba + pitch*sy + 4*sx; + CopyRGBA(sourcePixel, targetPixel, flags); + } + + // advance to the next pixel + sourcePixel += 4; + } + } + + // advance + sourceBlock += bytesPerBlock; + } + } } void DecompressImage( u8* rgba, int width, int height, void const* blocks, int flags ) { - // fix any bad flags - flags = FixFlags( flags ); - - // initialise the block input - u8 const* sourceBlock = reinterpret_cast< u8 const* >( blocks ); - int bytesPerBlock = ( ( flags & kDxt1 ) != 0 ) ? 8 : 16; - - // loop over blocks - for( int y = 0; y < height; y += 4 ) - { - for( int x = 0; x < width; x += 4 ) - { - // decompress the block - u8 targetRgba[4*16]; - Decompress( targetRgba, sourceBlock, flags ); - - // write the decompressed pixels to the correct image locations - u8 const* sourcePixel = targetRgba; - for( int py = 0; py < 4; ++py ) - { - for( int px = 0; px < 4; ++px ) - { - // get the target location - int sx = x + px; - int sy = y + py; - if( sx < width && sy < height ) - { - u8* targetPixel = rgba + 4*( width*sy + sx ); - - // copy the rgba value - for( int i = 0; i < 4; ++i ) - *targetPixel++ = *sourcePixel++; - } - else - { - // skip this pixel as its outside the image - sourcePixel += 4; - } - } - } - - // advance - sourceBlock += bytesPerBlock; - } - } + DecompressImage( rgba, width, height, width*4, blocks, flags ); +} + +static double ErrorSq(double x, double y) +{ + return (x - y) * (x - y); +} + +static void ComputeBlockWMSE(u8 const *original, u8 const *compressed, unsigned int w, unsigned int h, double &cmse, double &amse) +{ + // Computes the MSE for the block and weights it by the variance of the original block. + // If the variance of the original block is less than 4 (i.e. a standard deviation of 1 per channel) + // then the block is close to being a single colour. Quantisation errors in single colour blocks + // are easier to see than similar errors in blocks that contain more colours, particularly when there + // are many such blocks in a large area (eg a blue sky background) as they cause banding. Given that + // banding is easier to see than small errors in "complex" blocks, we weight the errors by a factor + // of 5. This implies that images with large, single colour areas will have a higher potential WMSE + // than images with lots of detail. + + cmse = amse = 0; + unsigned int sum_p[4]; // per channel sum of pixels + unsigned int sum_p2[4]; // per channel sum of pixels squared + memset(sum_p, 0, sizeof(sum_p)); + memset(sum_p2, 0, sizeof(sum_p2)); + for( unsigned int py = 0; py < 4; ++py ) + { + for( unsigned int px = 0; px < 4; ++px ) + { + if( px < w && py < h ) + { + double pixelCMSE = 0; + for( int i = 0; i < 3; ++i ) + { + pixelCMSE += ErrorSq(original[i], compressed[i]); + sum_p[i] += original[i]; + sum_p2[i] += (unsigned int)original[i]*original[i]; + } + if( original[3] == 0 && compressed[3] == 0 ) + pixelCMSE = 0; // transparent in both, so colour is inconsequential + amse += ErrorSq(original[3], compressed[3]); + cmse += pixelCMSE; + sum_p[3] += original[3]; + sum_p2[3] += (unsigned int)original[3]*original[3]; + } + original += 4; + compressed += 4; + } + } + unsigned int variance = 0; + for( int i = 0; i < 4; ++i ) + variance += w*h*sum_p2[i] - sum_p[i]*sum_p[i]; + if( variance < 4 * w * w * h * h ) + { + amse *= 5; + cmse *= 5; + } +} + +void ComputeMSE( u8 const *rgba, int width, int height, int pitch, u8 const *dxt, int flags, double &colourMSE, double &alphaMSE ) +{ + // fix any bad flags + flags = FixFlags( flags ); + colourMSE = alphaMSE = 0; + + // initialise the block input + squish::u8 const* sourceBlock = dxt; + int bytesPerBlock = ( ( flags & squish::kDxt1 ) != 0 ) ? 8 : 16; + + // loop over blocks + for( int y = 0; y < height; y += 4 ) + { + for( int x = 0; x < width; x += 4 ) + { + // decompress the block + u8 targetRgba[4*16]; + Decompress( targetRgba, sourceBlock, flags ); + u8 const* sourcePixel = targetRgba; + + // copy across to a similar pixel block + u8 originalRgba[4*16]; + u8* originalPixel = originalRgba; + + for( int py = 0; py < 4; ++py ) + { + for( int px = 0; px < 4; ++px ) + { + int sx = x + px; + int sy = y + py; + if( sx < width && sy < height ) + { + u8 const* targetPixel = rgba + pitch*sy + 4*sx; + CopyRGBA(targetPixel, originalPixel, flags); + } + sourcePixel += 4; + originalPixel += 4; + } + } + + // compute the weighted MSE of the block + double blockCMSE, blockAMSE; + ComputeBlockWMSE(originalRgba, targetRgba, std::min(4, width - x), std::min(4, height - y), blockCMSE, blockAMSE); + colourMSE += blockCMSE; + alphaMSE += blockAMSE; + // advance + sourceBlock += bytesPerBlock; + } + } + colourMSE /= (width * height * 3); + alphaMSE /= (width * height); +} + +void ComputeMSE( u8 const *rgba, int width, int height, u8 const *dxt, int flags, double &colourMSE, double &alphaMSE ) +{ + ComputeMSE(rgba, width, height, width*4, dxt, flags, colourMSE, alphaMSE); } } // namespace squish diff --git a/thirdparty/squish/squish.h b/thirdparty/squish/squish.h index 5f5ac149d7..7c46e37ff1 100644 --- a/thirdparty/squish/squish.h +++ b/thirdparty/squish/squish.h @@ -1,28 +1,28 @@ /* ----------------------------------------------------------------------------- - Copyright (c) 2006 Simon Brown si@sjbrown.co.uk - - Permission is hereby granted, free of charge, to any person obtaining - a copy of this software and associated documentation files (the - "Software"), to deal in the Software without restriction, including - without limitation the rights to use, copy, modify, merge, publish, - distribute, sublicense, and/or sell copies of the Software, and to - permit persons to whom the Software is furnished to do so, subject to - the following conditions: - - The above copyright notice and this permission notice shall be included - in all copies or substantial portions of the Software. - - THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY - CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - + Copyright (c) 2006 Simon Brown si@sjbrown.co.uk + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + "Software"), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + -------------------------------------------------------------------------- */ - + #ifndef SQUISH_H #define SQUISH_H @@ -38,124 +38,143 @@ typedef unsigned char u8; enum { - //! Use DXT1 compression. - kDxt1 = ( 1 << 0 ), - - //! Use DXT3 compression. - kDxt3 = ( 1 << 1 ), - - //! Use DXT5 compression. - kDxt5 = ( 1 << 2 ), - - //! Use a very slow but very high quality colour compressor. - kColourIterativeClusterFit = ( 1 << 8 ), - - //! Use a slow but high quality colour compressor (the default). - kColourClusterFit = ( 1 << 3 ), - - //! Use a fast but low quality colour compressor. - kColourRangeFit = ( 1 << 4 ), - - //! Use a perceptual metric for colour error (the default). - kColourMetricPerceptual = ( 1 << 5 ), - - //! Use a uniform metric for colour error. - kColourMetricUniform = ( 1 << 6 ), - - //! Weight the colour by alpha during cluster fit (disabled by default). - kWeightColourByAlpha = ( 1 << 7 ) + //! Use DXT1 compression. + kDxt1 = ( 1 << 0 ), + + //! Use DXT3 compression. + kDxt3 = ( 1 << 1 ), + + //! Use DXT5 compression. + kDxt5 = ( 1 << 2 ), + + //! Use BC4 compression. + kBc4 = ( 1 << 3 ), + + //! Use BC5 compression. + kBc5 = ( 1 << 4 ), + + //! Use a slow but high quality colour compressor (the default). + kColourClusterFit = ( 1 << 5 ), + + //! Use a fast but low quality colour compressor. + kColourRangeFit = ( 1 << 6 ), + + //! Weight the colour by alpha during cluster fit (disabled by default). + kWeightColourByAlpha = ( 1 << 7 ), + + //! Use a very slow but very high quality colour compressor. + kColourIterativeClusterFit = ( 1 << 8 ), + + //! Source is BGRA rather than RGBA + kSourceBGRA = ( 1 << 9 ) }; // ----------------------------------------------------------------------------- /*! @brief Compresses a 4x4 block of pixels. - @param rgba The rgba values of the 16 source pixels. - @param block Storage for the compressed DXT block. - @param flags Compression flags. - - The source pixels should be presented as a contiguous array of 16 rgba - values, with each component as 1 byte each. In memory this should be: - - { r1, g1, b1, a1, .... , r16, g16, b16, a16 } - - The flags parameter should specify either kDxt1, kDxt3 or kDxt5 compression, - however, DXT1 will be used by default if none is specified. When using DXT1 - compression, 8 bytes of storage are required for the compressed DXT block. - DXT3 and DXT5 compression require 16 bytes of storage per block. - - The flags parameter can also specify a preferred colour compressor and - colour error metric to use when fitting the RGB components of the data. - Possible colour compressors are: kColourClusterFit (the default), - kColourRangeFit or kColourIterativeClusterFit. Possible colour error metrics - are: kColourMetricPerceptual (the default) or kColourMetricUniform. If no - flags are specified in any particular category then the default will be - used. Unknown flags are ignored. - - When using kColourClusterFit, an additional flag can be specified to - weight the colour of each pixel by its alpha value. For images that are - rendered using alpha blending, this can significantly increase the - perceived quality. + @param rgba The rgba values of the 16 source pixels. + @param mask The valid pixel mask. + @param block Storage for the compressed DXT block. + @param flags Compression flags. + @param metric An optional perceptual metric. + + The source pixels should be presented as a contiguous array of 16 rgba + values, with each component as 1 byte each. In memory this should be: + + { r1, g1, b1, a1, .... , r16, g16, b16, a16 } + + The mask parameter enables only certain pixels within the block. The lowest + bit enables the first pixel and so on up to the 16th bit. Bits beyond the + 16th bit are ignored. Pixels that are not enabled are allowed to take + arbitrary colours in the output block. An example of how this can be used + is in the CompressImage function to disable pixels outside the bounds of + the image when the width or height is not divisible by 4. + + The flags parameter should specify kDxt1, kDxt3, kDxt5, kBc4, or kBc5 compression, + however, DXT1 will be used by default if none is specified. When using DXT1 + compression, 8 bytes of storage are required for the compressed DXT block. + DXT3 and DXT5 compression require 16 bytes of storage per block. + + The flags parameter can also specify a preferred colour compressor to use + when fitting the RGB components of the data. Possible colour compressors + are: kColourClusterFit (the default), kColourRangeFit (very fast, low + quality) or kColourIterativeClusterFit (slowest, best quality). + + When using kColourClusterFit or kColourIterativeClusterFit, an additional + flag can be specified to weight the importance of each pixel by its alpha + value. For images that are rendered using alpha blending, this can + significantly increase the perceived quality. + + The metric parameter can be used to weight the relative importance of each + colour channel, or pass NULL to use the default uniform weight of + { 1.0f, 1.0f, 1.0f }. This replaces the previous flag-based control that + allowed either uniform or "perceptual" weights with the fixed values + { 0.2126f, 0.7152f, 0.0722f }. If non-NULL, the metric should point to a + contiguous array of 3 floats. */ -void Compress( u8 const* rgba, void* block, int flags ); +void CompressMasked( u8 const* rgba, int mask, void* block, int flags, float* metric = 0 ); // ----------------------------------------------------------------------------- /*! @brief Compresses a 4x4 block of pixels. - @param rgba The rgba values of the 16 source pixels. - @param mask The valid pixel mask. - @param block Storage for the compressed DXT block. - @param flags Compression flags. - - The source pixels should be presented as a contiguous array of 16 rgba - values, with each component as 1 byte each. In memory this should be: - - { r1, g1, b1, a1, .... , r16, g16, b16, a16 } - - The mask parameter enables only certain pixels within the block. The lowest - bit enables the first pixel and so on up to the 16th bit. Bits beyond the - 16th bit are ignored. Pixels that are not enabled are allowed to take - arbitrary colours in the output block. An example of how this can be used - is in the CompressImage function to disable pixels outside the bounds of - the image when the width or height is not divisible by 4. - - The flags parameter should specify either kDxt1, kDxt3 or kDxt5 compression, - however, DXT1 will be used by default if none is specified. When using DXT1 - compression, 8 bytes of storage are required for the compressed DXT block. - DXT3 and DXT5 compression require 16 bytes of storage per block. - - The flags parameter can also specify a preferred colour compressor and - colour error metric to use when fitting the RGB components of the data. - Possible colour compressors are: kColourClusterFit (the default), - kColourRangeFit or kColourIterativeClusterFit. Possible colour error metrics - are: kColourMetricPerceptual (the default) or kColourMetricUniform. If no - flags are specified in any particular category then the default will be - used. Unknown flags are ignored. - - When using kColourClusterFit, an additional flag can be specified to - weight the colour of each pixel by its alpha value. For images that are - rendered using alpha blending, this can significantly increase the - perceived quality. + @param rgba The rgba values of the 16 source pixels. + @param block Storage for the compressed DXT block. + @param flags Compression flags. + @param metric An optional perceptual metric. + + The source pixels should be presented as a contiguous array of 16 rgba + values, with each component as 1 byte each. In memory this should be: + + { r1, g1, b1, a1, .... , r16, g16, b16, a16 } + + The flags parameter should specify kDxt1, kDxt3, kDxt5, kBc4, or kBc5 compression, + however, DXT1 will be used by default if none is specified. When using DXT1 + compression, 8 bytes of storage are required for the compressed DXT block. + DXT3 and DXT5 compression require 16 bytes of storage per block. + + The flags parameter can also specify a preferred colour compressor to use + when fitting the RGB components of the data. Possible colour compressors + are: kColourClusterFit (the default), kColourRangeFit (very fast, low + quality) or kColourIterativeClusterFit (slowest, best quality). + + When using kColourClusterFit or kColourIterativeClusterFit, an additional + flag can be specified to weight the importance of each pixel by its alpha + value. For images that are rendered using alpha blending, this can + significantly increase the perceived quality. + + The metric parameter can be used to weight the relative importance of each + colour channel, or pass NULL to use the default uniform weight of + { 1.0f, 1.0f, 1.0f }. This replaces the previous flag-based control that + allowed either uniform or "perceptual" weights with the fixed values + { 0.2126f, 0.7152f, 0.0722f }. If non-NULL, the metric should point to a + contiguous array of 3 floats. + + This method is an inline that calls CompressMasked with a mask of 0xffff, + provided for compatibility with older versions of squish. */ -void CompressMasked( u8 const* rgba, int mask, void* block, int flags ); +inline void Compress( u8 const* rgba, void* block, int flags, float* metric = 0 ) +{ + CompressMasked( rgba, 0xffff, block, flags, metric ); +} // ----------------------------------------------------------------------------- /*! @brief Decompresses a 4x4 block of pixels. - @param rgba Storage for the 16 decompressed pixels. - @param block The compressed DXT block. - @param flags Compression flags. - - The decompressed pixels will be written as a contiguous array of 16 rgba - values, with each component as 1 byte each. In memory this is: - - { r1, g1, b1, a1, .... , r16, g16, b16, a16 } - - The flags parameter should specify either kDxt1, kDxt3 or kDxt5 compression, - however, DXT1 will be used by default if none is specified. All other flags - are ignored. + @param rgba Storage for the 16 decompressed pixels. + @param block The compressed DXT block. + @param flags Compression flags. + + The decompressed pixels will be written as a contiguous array of 16 rgba + values, with each component as 1 byte each. In memory this is: + + { r1, g1, b1, a1, .... , r16, g16, b16, a16 } + + The flags parameter should specify kDxt1, kDxt3, kDxt5, kBc4, or kBc5 compression, + however, DXT1 will be used by default if none is specified. All other flags + are ignored. */ void Decompress( u8* rgba, void const* block, int flags ); @@ -163,17 +182,17 @@ void Decompress( u8* rgba, void const* block, int flags ); /*! @brief Computes the amount of compressed storage required. - @param width The width of the image. - @param height The height of the image. - @param flags Compression flags. - - The flags parameter should specify either kDxt1, kDxt3 or kDxt5 compression, - however, DXT1 will be used by default if none is specified. All other flags - are ignored. - - Most DXT images will be a multiple of 4 in each dimension, but this - function supports arbitrary size images by allowing the outer blocks to - be only partially used. + @param width The width of the image. + @param height The height of the image. + @param flags Compression flags. + + The flags parameter should specify kDxt1, kDxt3, kDxt5, kBc4, or kBc5 compression, + however, DXT1 will be used by default if none is specified. All other flags + are ignored. + + Most DXT images will be a multiple of 4 in each dimension, but this + function supports arbitrary size images by allowing the outer blocks to + be only partially used. */ int GetStorageRequirements( int width, int height, int flags ); @@ -181,67 +200,101 @@ int GetStorageRequirements( int width, int height, int flags ); /*! @brief Compresses an image in memory. - @param rgba The pixels of the source. - @param width The width of the source image. - @param height The height of the source image. - @param blocks Storage for the compressed output. - @param flags Compression flags. - - The source pixels should be presented as a contiguous array of width*height - rgba values, with each component as 1 byte each. In memory this should be: - - { r1, g1, b1, a1, .... , rn, gn, bn, an } for n = width*height - - The flags parameter should specify either kDxt1, kDxt3 or kDxt5 compression, - however, DXT1 will be used by default if none is specified. When using DXT1 - compression, 8 bytes of storage are required for each compressed DXT block. - DXT3 and DXT5 compression require 16 bytes of storage per block. - - The flags parameter can also specify a preferred colour compressor and - colour error metric to use when fitting the RGB components of the data. - Possible colour compressors are: kColourClusterFit (the default), - kColourRangeFit or kColourIterativeClusterFit. Possible colour error metrics - are: kColourMetricPerceptual (the default) or kColourMetricUniform. If no - flags are specified in any particular category then the default will be - used. Unknown flags are ignored. - - When using kColourClusterFit, an additional flag can be specified to - weight the colour of each pixel by its alpha value. For images that are - rendered using alpha blending, this can significantly increase the - perceived quality. - - Internally this function calls squish::Compress for each block. To see how - much memory is required in the compressed image, use - squish::GetStorageRequirements. + @param rgba The pixels of the source. + @param width The width of the source image. + @param height The height of the source image. + @param pitch The pitch of the source image. + @param blocks Storage for the compressed output. + @param flags Compression flags. + @param metric An optional perceptual metric. + + The source pixels should be presented as a contiguous array of width*height + rgba values, with each component as 1 byte each. In memory this should be: + + { r1, g1, b1, a1, .... , rn, gn, bn, an } for n = width*height + + The flags parameter should specify kDxt1, kDxt3, kDxt5, kBc4, or kBc5 compression, + however, DXT1 will be used by default if none is specified. When using DXT1 + compression, 8 bytes of storage are required for each compressed DXT block. + DXT3 and DXT5 compression require 16 bytes of storage per block. + + The flags parameter can also specify a preferred colour compressor to use + when fitting the RGB components of the data. Possible colour compressors + are: kColourClusterFit (the default), kColourRangeFit (very fast, low + quality) or kColourIterativeClusterFit (slowest, best quality). + + When using kColourClusterFit or kColourIterativeClusterFit, an additional + flag can be specified to weight the importance of each pixel by its alpha + value. For images that are rendered using alpha blending, this can + significantly increase the perceived quality. + + The metric parameter can be used to weight the relative importance of each + colour channel, or pass NULL to use the default uniform weight of + { 1.0f, 1.0f, 1.0f }. This replaces the previous flag-based control that + allowed either uniform or "perceptual" weights with the fixed values + { 0.2126f, 0.7152f, 0.0722f }. If non-NULL, the metric should point to a + contiguous array of 3 floats. + + Internally this function calls squish::CompressMasked for each block, which + allows for pixels outside the image to take arbitrary values. The function + squish::GetStorageRequirements can be called to compute the amount of memory + to allocate for the compressed output. */ -void CompressImage( u8 const* rgba, int width, int height, void* blocks, int flags ); +void CompressImage( u8 const* rgba, int width, int height, int pitch, void* blocks, int flags, float* metric = 0 ); +void CompressImage( u8 const* rgba, int width, int height, void* blocks, int flags, float* metric = 0 ); // ----------------------------------------------------------------------------- /*! @brief Decompresses an image in memory. - @param rgba Storage for the decompressed pixels. - @param width The width of the source image. - @param height The height of the source image. - @param blocks The compressed DXT blocks. - @param flags Compression flags. - - The decompressed pixels will be written as a contiguous array of width*height - 16 rgba values, with each component as 1 byte each. In memory this is: - - { r1, g1, b1, a1, .... , rn, gn, bn, an } for n = width*height - - The flags parameter should specify either kDxt1, kDxt3 or kDxt5 compression, - however, DXT1 will be used by default if none is specified. All other flags - are ignored. - - Internally this function calls squish::Decompress for each block. + @param rgba Storage for the decompressed pixels. + @param width The width of the source image. + @param height The height of the source image. + @param pitch The pitch of the decompressed pixels. + @param blocks The compressed DXT blocks. + @param flags Compression flags. + + The decompressed pixels will be written as a contiguous array of width*height + 16 rgba values, with each component as 1 byte each. In memory this is: + + { r1, g1, b1, a1, .... , rn, gn, bn, an } for n = width*height + + The flags parameter should specify kDxt1, kDxt3, kDxt5, kBc4, or kBc5 compression, + however, DXT1 will be used by default if none is specified. All other flags + are ignored. + + Internally this function calls squish::Decompress for each block. */ +void DecompressImage( u8* rgba, int width, int height, int pitch, void const* blocks, int flags ); void DecompressImage( u8* rgba, int width, int height, void const* blocks, int flags ); // ----------------------------------------------------------------------------- +/*! @brief Computes MSE of an compressed image in memory. + + @param rgba The original image pixels. + @param width The width of the source image. + @param height The height of the source image. + @param pitch The pitch of the source image. + @param dxt The compressed dxt blocks + @param flags Compression flags. + @param colourMSE The MSE of the colour values. + @param alphaMSE The MSE of the alpha values. + + The colour MSE and alpha MSE are computed across all pixels. The colour MSE is + averaged across all rgb values (i.e. colourMSE = sum sum_k ||dxt.k - rgba.k||/3) + + The flags parameter should specify kDxt1, kDxt3, kDxt5, kBc4, or kBc5 compression, + however, DXT1 will be used by default if none is specified. All other flags + are ignored. + + Internally this function calls squish::Decompress for each block. +*/ +void ComputeMSE(u8 const *rgba, int width, int height, int pitch, u8 const *dxt, int flags, double &colourMSE, double &alphaMSE); +void ComputeMSE(u8 const *rgba, int width, int height, u8 const *dxt, int flags, double &colourMSE, double &alphaMSE); + +// ----------------------------------------------------------------------------- + } // namespace squish #endif // ndef SQUISH_H - |