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-rw-r--r--Source/Plugins/Plugin_VideoOGL/Src/ProgramShaderCache.cpp5
1 files changed, 5 insertions, 0 deletions
diff --git a/Source/Plugins/Plugin_VideoOGL/Src/ProgramShaderCache.cpp b/Source/Plugins/Plugin_VideoOGL/Src/ProgramShaderCache.cpp
index 07ba589469..c482c13900 100644
--- a/Source/Plugins/Plugin_VideoOGL/Src/ProgramShaderCache.cpp
+++ b/Source/Plugins/Plugin_VideoOGL/Src/ProgramShaderCache.cpp
@@ -525,6 +525,11 @@ void ProgramShaderCache::CreateHeader ( void )
"#define float3 vec3\n"
"#define float4 vec4\n"
+ // hlsl to glsl function translation
+ "#define frac(x) fract(x)\n"
+ "#define saturate(x) clamp(x, 0.0f, 1.0f)\n"
+ "#define lerp(x, y, z) mix(x, y, z)\n"
+
// glsl 120 hack
"%s\n"
"%s\n"