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Diffstat (limited to 'thirdparty/etc2comp/EtcIndividualTrys.cpp')
| -rw-r--r-- | thirdparty/etc2comp/EtcIndividualTrys.cpp | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/thirdparty/etc2comp/EtcIndividualTrys.cpp b/thirdparty/etc2comp/EtcIndividualTrys.cpp new file mode 100644 index 0000000000..56ff4c65ec --- /dev/null +++ b/thirdparty/etc2comp/EtcIndividualTrys.cpp @@ -0,0 +1,85 @@ +/* + * Copyright 2015 The Etc2Comp Authors. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/* +EtcIndividualTrys.cpp + +Gathers the results of the various encoding trys for both halves of a 4x4 block for Individual mode + +*/ + +#include "EtcConfig.h" +#include "EtcIndividualTrys.h" + +#include <assert.h> + +namespace Etc +{ + + // ---------------------------------------------------------------------------------------------------- + // construct a list of trys (encoding attempts) + // + // a_frgbaColor1 is the basecolor for the first half + // a_frgbaColor2 is the basecolor for the second half + // a_pauiPixelMapping1 is the pixel order for the first half + // a_pauiPixelMapping2 is the pixel order for the second half + // a_uiRadius is the amount to vary the base colors + // + IndividualTrys::IndividualTrys(ColorFloatRGBA a_frgbaColor1, ColorFloatRGBA a_frgbaColor2, + const unsigned int *a_pauiPixelMapping1, + const unsigned int *a_pauiPixelMapping2, + unsigned int a_uiRadius) + { + assert(a_uiRadius <= MAX_RADIUS); + + ColorFloatRGBA frgbaQuantizedColor1 = a_frgbaColor1.QuantizeR4G4B4(); + ColorFloatRGBA frgbaQuantizedColor2 = a_frgbaColor2.QuantizeR4G4B4(); + + // quantize base colors + // ensure that trys with a_uiRadius don't overflow + int iRed1 = MoveAwayFromEdge(frgbaQuantizedColor1.IntRed(15.0f), a_uiRadius); + int iGreen1 = MoveAwayFromEdge(frgbaQuantizedColor1.IntGreen(15.0f), a_uiRadius); + int iBlue1 = MoveAwayFromEdge(frgbaQuantizedColor1.IntBlue(15.0f), a_uiRadius); + int iRed2 = MoveAwayFromEdge(frgbaQuantizedColor2.IntRed(15.0f), a_uiRadius); + int iGreen2 = MoveAwayFromEdge(frgbaQuantizedColor2.IntGreen(15.0f), a_uiRadius); + int iBlue2 = MoveAwayFromEdge(frgbaQuantizedColor2.IntBlue(15.0f), a_uiRadius); + + m_half1.Init(iRed1, iGreen1, iBlue1, a_pauiPixelMapping1, a_uiRadius); + m_half2.Init(iRed2, iGreen2, iBlue2, a_pauiPixelMapping2, a_uiRadius); + + } + + // ---------------------------------------------------------------------------------------------------- + // + void IndividualTrys::Half::Init(int a_iRed, int a_iGreen, int a_iBlue, + const unsigned int *a_pauiPixelMapping, unsigned int a_uiRadius) + { + + m_iRed = a_iRed; + m_iGreen = a_iGreen; + m_iBlue = a_iBlue; + + m_pauiPixelMapping = a_pauiPixelMapping; + m_uiRadius = a_uiRadius; + + m_uiTrys = 0; + + } + + // ---------------------------------------------------------------------------------------------------- + // + +} // namespace Etc |