103 lines
3.1 KiB
Diff
103 lines
3.1 KiB
Diff
diff --git a/thirdparty/squish/colourblock.cpp b/thirdparty/squish/colourblock.cpp
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index af8b98036..3d87adaa7 100644
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--- a/thirdparty/squish/colourblock.cpp
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+++ b/thirdparty/squish/colourblock.cpp
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@@ -24,6 +24,9 @@
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-------------------------------------------------------------------------- */
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#include "colourblock.h"
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+// -- Godot start --
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+#include "alpha.h"
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+// -- Godot end --
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namespace squish {
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@@ -211,4 +214,23 @@ void DecompressColour( u8* rgba, void const* block, bool isDxt1 )
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}
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}
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+// -- Godot start --
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+void DecompressColourBc5( u8* rgba, void const* block)
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+{
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+ void const* rblock = block;
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+ void const* gblock = reinterpret_cast< u8 const* >( block ) + 8;
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+ DecompressAlphaDxt5(rgba,rblock);
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+ for ( int i = 0; i < 16; ++i ) {
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+ rgba[i*4] = rgba[i*4 + 3];
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+ }
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+ DecompressAlphaDxt5(rgba,gblock);
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+ for ( int i = 0; i < 16; ++i ) {
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+ rgba[i*4+1] = rgba[i*4 + 3];
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+ rgba[i*4 + 2] = 0;
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+ rgba[i*4 + 3] = 255;
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+ }
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+}
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+// -- GODOT end --
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+
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+
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} // namespace squish
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diff --git a/thirdparty/squish/colourblock.h b/thirdparty/squish/colourblock.h
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index fee2cd7c5..3cb9b7e3b 100644
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--- a/thirdparty/squish/colourblock.h
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+++ b/thirdparty/squish/colourblock.h
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@@ -35,6 +35,9 @@ void WriteColourBlock3( Vec3::Arg start, Vec3::Arg end, u8 const* indices, void*
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void WriteColourBlock4( Vec3::Arg start, Vec3::Arg end, u8 const* indices, void* block );
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void DecompressColour( u8* rgba, void const* block, bool isDxt1 );
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+// -- GODOT start --
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+void DecompressColourBc5( u8* rgba, void const* block );
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+// -- GODOT end --
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} // namespace squish
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diff --git a/thirdparty/squish/config.h b/thirdparty/squish/config.h
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index 92edefe96..05f8d7259 100644
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--- a/thirdparty/squish/config.h
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+++ b/thirdparty/squish/config.h
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@@ -32,6 +32,26 @@
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#endif
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// Set to 1 or 2 when building squish to use SSE or SSE2 instructions.
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+// -- GODOT start --
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+#ifdef _MSC_VER
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+ #if defined(_M_IX86_FP)
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+ #if _M_IX86_FP >= 2
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+ #define SQUISH_USE_SSE 2
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+ #elif _M_IX86_FP >= 1
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+ #define SQUISH_USE_SSE 1
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+ #endif
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+ #elif defined(_M_X64)
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+ #define SQUISH_USE_SSE 2
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+ #endif
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+#else
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+ #if defined(__SSE2__)
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+ #define SQUISH_USE_SSE 2
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+ #elif defined(__SSE__)
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+ #define SQUISH_USE_SSE 1
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+ #endif
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+#endif
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+// -- GODOT end --
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+
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#ifndef SQUISH_USE_SSE
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#define SQUISH_USE_SSE 0
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#endif
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diff --git a/thirdparty/squish/squish.cpp b/thirdparty/squish/squish.cpp
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index 1d22a64ad..fd11a147d 100644
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--- a/thirdparty/squish/squish.cpp
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+++ b/thirdparty/squish/squish.cpp
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@@ -135,7 +135,13 @@ void Decompress( u8* rgba, void const* block, int flags )
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colourBlock = reinterpret_cast< u8 const* >( block ) + 8;
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// decompress colour
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- DecompressColour( rgba, colourBlock, ( flags & kDxt1 ) != 0 );
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+ // -- GODOT start --
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+ //DecompressColour( rgba, colourBlock, ( flags & kDxt1 ) != 0 );
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+ if(( flags & ( kBc5 ) ) != 0)
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+ DecompressColourBc5( rgba, colourBlock);
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+ else
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+ DecompressColour( rgba, colourBlock, ( flags & kDxt1 ) != 0 );
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+ // -- GODOT end --
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// decompress alpha separately if necessary
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if( ( flags & kDxt3 ) != 0 )
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