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path: root/Source/Core/VideoCommon/Src/PixelShaderGen.cpp
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Diffstat (limited to 'Source/Core/VideoCommon/Src/PixelShaderGen.cpp')
-rw-r--r--Source/Core/VideoCommon/Src/PixelShaderGen.cpp9
1 files changed, 9 insertions, 0 deletions
diff --git a/Source/Core/VideoCommon/Src/PixelShaderGen.cpp b/Source/Core/VideoCommon/Src/PixelShaderGen.cpp
index cc350c7e0a..3833c91c93 100644
--- a/Source/Core/VideoCommon/Src/PixelShaderGen.cpp
+++ b/Source/Core/VideoCommon/Src/PixelShaderGen.cpp
@@ -582,6 +582,15 @@ const char *GeneratePixelShaderCode(DSTALPHA_MODE dstAlphaMode, API_TYPE ApiType
WRITE(p, "#define saturate(x) clamp(x, 0.0f, 1.0f)\n");
WRITE(p, "#define lerp(x, y, z) mix(x, y, z)\n");
+ // A function here
+ // Fmod implementation gleaned from Nvidia
+ // At http://http.developer.nvidia.com/Cg/fmod.html
+ WRITE(p, "float fmod( float x, float y )\n");
+ WRITE(p, "{\n");
+ WRITE(p, "float z = fract( abs( x / y) ) * abs( y );\n");
+ WRITE(p, "return (x < 0) ? -z : z;\n");
+ WRITE(p, "}\n");
+
for (int i = 0; i < 8; ++i)
WRITE(p, "%suniform sampler2D samp%d;\n", WriteBinding(ApiType, i), i);