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Provide our own dot functions in GLSL since GLSL doesn't provide integer versions of this function, even though AMD and Nvidia provide their own.

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Ryan Houdek 2013-10-08 01:04:41 +00:00 committed by Tony Wasserka
parent bed442198f
commit 22c989de9a
1 changed files with 13 additions and 0 deletions
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13
Source/Core/VideoCommon/PixelShaderGen.cpp
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@ -257,6 +257,19 @@ static inline void GeneratePixelShader(T& out, DSTALPHA_MODE dstAlphaMode, API_T
uid_data.genMode_numtevstages = bpmem.genMode.numtevstages; uid_data.genMode_numtevstages = bpmem.genMode.numtevstages;
uid_data.genMode_numtexgens = bpmem.genMode.numtexgens; uid_data.genMode_numtexgens = bpmem.genMode.numtexgens;
// dot product for integer vectors
out.Write( "int idot(int3 x, int3 y)\n"
"{\n"
"\tint3 tmp = x * y;\n"
"\treturn tmp.x + tmp.y + tmp.z;\n"
"}\n");
out.Write( "int idot(int4 x, int4 y)\n"
"{\n"
"\tint4 tmp = x * y;\n"
"\treturn tmp.x + tmp.y + tmp.z + tmp.w;\n"
"}\n");
if (ApiType == API_OPENGL) if (ApiType == API_OPENGL)
{ {
// Fmod implementation gleaned from Nvidia // Fmod implementation gleaned from Nvidia