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-rw-r--r--thirdparty/squish/Add-Decompress-Bc5-to-Squish.patch143
-rw-r--r--thirdparty/squish/colourblock.cpp89
-rw-r--r--thirdparty/squish/godot-changes.patch102
3 files changed, 115 insertions, 219 deletions
diff --git a/thirdparty/squish/Add-Decompress-Bc5-to-Squish.patch b/thirdparty/squish/Add-Decompress-Bc5-to-Squish.patch
deleted file mode 100644
index 1e06a8d318..0000000000
--- a/thirdparty/squish/Add-Decompress-Bc5-to-Squish.patch
+++ /dev/null
@@ -1,143 +0,0 @@
-From 7b64cc4c8b0be0443741483bf65909f5140179c0 Mon Sep 17 00:00:00 2001
-From: Orkun <orkuntezerm@gmail.com>
-Date: Sun, 19 Nov 2017 02:24:31 +0300
-Subject: [PATCH] Fix #12220: Add Decompress Bc5 to Squish
-
-This Commit fixes the corrupted file preview described in #12220.
-Added DecompressColourBc5 function to squish.
----
- thirdparty/squish/colourblock.cpp | 85 +++++++++++++++++++++++++++++++++++++++
- thirdparty/squish/colourblock.h | 3 ++
- thirdparty/squish/squish.cpp | 8 +++-
- 3 files changed, 95 insertions(+), 1 deletion(-)
-
-diff --git a/thirdparty/squish/colourblock.cpp b/thirdparty/squish/colourblock.cpp
-index af8b98036..3de46382c 100644
---- a/thirdparty/squish/colourblock.cpp
-+++ b/thirdparty/squish/colourblock.cpp
-@@ -211,4 +211,89 @@ void DecompressColour( u8* rgba, void const* block, bool isDxt1 )
- }
- }
-
-+// -- Godot start --
-+void DecompressColourBc5( u8* rgba, void const* block)
-+{
-+ // get the block bytes
-+ u8 const* bytes = reinterpret_cast< u8 const* >( block );
-+
-+ // unpack the endpoints
-+ u8 codes[16];
-+ int red_0 = bytes[0];
-+ int red_1 = bytes[1];
-+
-+ codes[0] = red_0;
-+ codes[1] = red_1;
-+ codes[6] = 0.0f;
-+ codes[7] = 1.0f;
-+ // generate the midpoints
-+ if(red_0 > red_1)
-+ {
-+ for( int i = 2; i < 8; ++i )
-+ {
-+ codes[i] = ((8-i)*red_0 + (i-1)*red_1)/7;
-+ }
-+ }
-+ else
-+ {
-+ for( int i = 2; i < 6; ++i )
-+ {
-+ codes[i] = ((6-i)*red_0 + (i-1)*red_1)/5;
-+ }
-+ }
-+
-+ int green_0 = bytes[8];
-+ int green_1 = bytes[9];
-+
-+ codes[0 + 8] = green_0;
-+ codes[1 + 8] = green_1;
-+ codes[6 + 8] = 0.0f;
-+ codes[7 + 8] = 1.0f;
-+ // generate the midpoints
-+ if(green_0 > green_1)
-+ {
-+ for( int i = 2; i < 8; ++i )
-+ {
-+ codes[i + 8] = ((8-i)*green_0 + (i-1)*green_1)/7;
-+ }
-+ }
-+ else
-+ {
-+ for( int i = 2; i < 6; ++i )
-+ {
-+ codes[i + 8] = ((6-i)*green_0 + (i-1)*green_1)/5;
-+ }
-+ }
-+
-+ u8 indices[32];
-+ for( int i = 0; i < 4; ++i )
-+ {
-+ u8 packed = bytes[2 + i];
-+ u8* red_ind = indices + 4*i;
-+
-+ red_ind[0] = packed & 0x3;
-+ red_ind[1] = ( packed >> 2 ) & 0x3;
-+ red_ind[2] = ( packed >> 4 ) & 0x3;
-+ red_ind[3] = ( packed >> 6 ) & 0x3;
-+
-+ packed = bytes[8 + i];
-+ u8* green_ind = indices + 4*i + 16;
-+ green_ind[0] = packed & 0x3;
-+ green_ind[1] = ( packed >> 2 ) & 0x3;
-+ green_ind[2] = ( packed >> 4 ) & 0x3;
-+ green_ind[3] = ( packed >> 6 ) & 0x3;
-+ }
-+
-+ // store out the colours
-+ for( int i = 0; i < 16; ++i )
-+ {
-+ rgba[4*i] = codes[indices[i]];
-+ rgba[4*i +1] = codes[indices[i + 16] + 8];
-+ rgba[4*i +2] = 0;
-+ rgba[4*i +3] = 255;
-+ }
-+}
-+// -- GODOT end --
-+
-+
- } // namespace squish
-diff --git a/thirdparty/squish/colourblock.h b/thirdparty/squish/colourblock.h
-index fee2cd7c5..3cb9b7e3b 100644
---- a/thirdparty/squish/colourblock.h
-+++ b/thirdparty/squish/colourblock.h
-@@ -35,6 +35,9 @@ void WriteColourBlock3( Vec3::Arg start, Vec3::Arg end, u8 const* indices, void*
- void WriteColourBlock4( Vec3::Arg start, Vec3::Arg end, u8 const* indices, void* block );
-
- void DecompressColour( u8* rgba, void const* block, bool isDxt1 );
-+// -- GODOT start --
-+void DecompressColourBc5( u8* rgba, void const* block );
-+// -- GODOT end --
-
- } // namespace squish
-
-diff --git a/thirdparty/squish/squish.cpp b/thirdparty/squish/squish.cpp
-index 1d22a64ad..fd11a147d 100644
---- a/thirdparty/squish/squish.cpp
-+++ b/thirdparty/squish/squish.cpp
-@@ -135,7 +135,13 @@ void Decompress( u8* rgba, void const* block, int flags )
- colourBlock = reinterpret_cast< u8 const* >( block ) + 8;
-
- // decompress colour
-- DecompressColour( rgba, colourBlock, ( flags & kDxt1 ) != 0 );
-+ // -- GODOT start --
-+ //DecompressColour( rgba, colourBlock, ( flags & kDxt1 ) != 0 );
-+ if(( flags & ( kBc5 ) ) != 0)
-+ DecompressColourBc5( rgba, colourBlock);
-+ else
-+ DecompressColour( rgba, colourBlock, ( flags & kDxt1 ) != 0 );
-+ // -- GODOT end --
-
- // decompress alpha separately if necessary
- if( ( flags & kDxt3 ) != 0 )
---
-2.13.6
-
diff --git a/thirdparty/squish/colourblock.cpp b/thirdparty/squish/colourblock.cpp
index 3de46382c0..3d87adaa77 100644
--- a/thirdparty/squish/colourblock.cpp
+++ b/thirdparty/squish/colourblock.cpp
@@ -24,6 +24,9 @@
-------------------------------------------------------------------------- */
#include "colourblock.h"
+// -- Godot start --
+#include "alpha.h"
+// -- Godot end --
namespace squish {
@@ -214,83 +217,17 @@ void DecompressColour( u8* rgba, void const* block, bool isDxt1 )
// -- Godot start --
void DecompressColourBc5( u8* rgba, void const* block)
{
- // get the block bytes
- u8 const* bytes = reinterpret_cast< u8 const* >( block );
-
- // unpack the endpoints
- u8 codes[16];
- int red_0 = bytes[0];
- int red_1 = bytes[1];
-
- codes[0] = red_0;
- codes[1] = red_1;
- codes[6] = 0.0f;
- codes[7] = 1.0f;
- // generate the midpoints
- if(red_0 > red_1)
- {
- for( int i = 2; i < 8; ++i )
- {
- codes[i] = ((8-i)*red_0 + (i-1)*red_1)/7;
- }
- }
- else
- {
- for( int i = 2; i < 6; ++i )
- {
- codes[i] = ((6-i)*red_0 + (i-1)*red_1)/5;
- }
- }
-
- int green_0 = bytes[8];
- int green_1 = bytes[9];
-
- codes[0 + 8] = green_0;
- codes[1 + 8] = green_1;
- codes[6 + 8] = 0.0f;
- codes[7 + 8] = 1.0f;
- // generate the midpoints
- if(green_0 > green_1)
- {
- for( int i = 2; i < 8; ++i )
- {
- codes[i + 8] = ((8-i)*green_0 + (i-1)*green_1)/7;
- }
- }
- else
- {
- for( int i = 2; i < 6; ++i )
- {
- codes[i + 8] = ((6-i)*green_0 + (i-1)*green_1)/5;
- }
- }
-
- u8 indices[32];
- for( int i = 0; i < 4; ++i )
- {
- u8 packed = bytes[2 + i];
- u8* red_ind = indices + 4*i;
-
- red_ind[0] = packed & 0x3;
- red_ind[1] = ( packed >> 2 ) & 0x3;
- red_ind[2] = ( packed >> 4 ) & 0x3;
- red_ind[3] = ( packed >> 6 ) & 0x3;
-
- packed = bytes[8 + i];
- u8* green_ind = indices + 4*i + 16;
- green_ind[0] = packed & 0x3;
- green_ind[1] = ( packed >> 2 ) & 0x3;
- green_ind[2] = ( packed >> 4 ) & 0x3;
- green_ind[3] = ( packed >> 6 ) & 0x3;
+ void const* rblock = block;
+ void const* gblock = reinterpret_cast< u8 const* >( block ) + 8;
+ DecompressAlphaDxt5(rgba,rblock);
+ for ( int i = 0; i < 16; ++i ) {
+ rgba[i*4] = rgba[i*4 + 3];
}
-
- // store out the colours
- for( int i = 0; i < 16; ++i )
- {
- rgba[4*i] = codes[indices[i]];
- rgba[4*i +1] = codes[indices[i + 16] + 8];
- rgba[4*i +2] = 0;
- rgba[4*i +3] = 255;
+ DecompressAlphaDxt5(rgba,gblock);
+ for ( int i = 0; i < 16; ++i ) {
+ rgba[i*4+1] = rgba[i*4 + 3];
+ rgba[i*4 + 2] = 0;
+ rgba[i*4 + 3] = 255;
}
}
// -- GODOT end --
diff --git a/thirdparty/squish/godot-changes.patch b/thirdparty/squish/godot-changes.patch
new file mode 100644
index 0000000000..ef7bafb4b4
--- /dev/null
+++ b/thirdparty/squish/godot-changes.patch
@@ -0,0 +1,102 @@
+diff --git a/thirdparty/squish/colourblock.cpp b/thirdparty/squish/colourblock.cpp
+index af8b98036..3d87adaa7 100644
+--- a/thirdparty/squish/colourblock.cpp
++++ b/thirdparty/squish/colourblock.cpp
+@@ -24,6 +24,9 @@
+ -------------------------------------------------------------------------- */
+
+ #include "colourblock.h"
++// -- Godot start --
++#include "alpha.h"
++// -- Godot end --
+
+ namespace squish {
+
+@@ -211,4 +214,23 @@ void DecompressColour( u8* rgba, void const* block, bool isDxt1 )
+ }
+ }
+
++// -- Godot start --
++void DecompressColourBc5( u8* rgba, void const* block)
++{
++ void const* rblock = block;
++ void const* gblock = reinterpret_cast< u8 const* >( block ) + 8;
++ DecompressAlphaDxt5(rgba,rblock);
++ for ( int i = 0; i < 16; ++i ) {
++ rgba[i*4] = rgba[i*4 + 3];
++ }
++ DecompressAlphaDxt5(rgba,gblock);
++ for ( int i = 0; i < 16; ++i ) {
++ rgba[i*4+1] = rgba[i*4 + 3];
++ rgba[i*4 + 2] = 0;
++ rgba[i*4 + 3] = 255;
++ }
++}
++// -- GODOT end --
++
++
+ } // namespace squish
+diff --git a/thirdparty/squish/colourblock.h b/thirdparty/squish/colourblock.h
+index fee2cd7c5..3cb9b7e3b 100644
+--- a/thirdparty/squish/colourblock.h
++++ b/thirdparty/squish/colourblock.h
+@@ -35,6 +35,9 @@ void WriteColourBlock3( Vec3::Arg start, Vec3::Arg end, u8 const* indices, void*
+ void WriteColourBlock4( Vec3::Arg start, Vec3::Arg end, u8 const* indices, void* block );
+
+ void DecompressColour( u8* rgba, void const* block, bool isDxt1 );
++// -- GODOT start --
++void DecompressColourBc5( u8* rgba, void const* block );
++// -- GODOT end --
+
+ } // namespace squish
+
+diff --git a/thirdparty/squish/config.h b/thirdparty/squish/config.h
+index 92edefe96..05f8d7259 100644
+--- a/thirdparty/squish/config.h
++++ b/thirdparty/squish/config.h
+@@ -32,6 +32,26 @@
+ #endif
+
+ // Set to 1 or 2 when building squish to use SSE or SSE2 instructions.
++// -- GODOT start --
++#ifdef _MSC_VER
++ #if defined(_M_IX86_FP)
++ #if _M_IX86_FP >= 2
++ #define SQUISH_USE_SSE 2
++ #elif _M_IX86_FP >= 1
++ #define SQUISH_USE_SSE 1
++ #endif
++ #elif defined(_M_X64)
++ #define SQUISH_USE_SSE 2
++ #endif
++#else
++ #if defined(__SSE2__)
++ #define SQUISH_USE_SSE 2
++ #elif defined(__SSE__)
++ #define SQUISH_USE_SSE 1
++ #endif
++#endif
++// -- GODOT end --
++
+ #ifndef SQUISH_USE_SSE
+ #define SQUISH_USE_SSE 0
+ #endif
+diff --git a/thirdparty/squish/squish.cpp b/thirdparty/squish/squish.cpp
+index 1d22a64ad..fd11a147d 100644
+--- a/thirdparty/squish/squish.cpp
++++ b/thirdparty/squish/squish.cpp
+@@ -135,7 +135,13 @@ void Decompress( u8* rgba, void const* block, int flags )
+ colourBlock = reinterpret_cast< u8 const* >( block ) + 8;
+
+ // decompress colour
+- DecompressColour( rgba, colourBlock, ( flags & kDxt1 ) != 0 );
++ // -- GODOT start --
++ //DecompressColour( rgba, colourBlock, ( flags & kDxt1 ) != 0 );
++ if(( flags & ( kBc5 ) ) != 0)
++ DecompressColourBc5( rgba, colourBlock);
++ else
++ DecompressColour( rgba, colourBlock, ( flags & kDxt1 ) != 0 );
++ // -- GODOT end --
+
+ // decompress alpha separately if necessary
+ if( ( flags & kDxt3 ) != 0 )