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GeometryShaderGen: Redefine gl_InvocationID so we can use the same variable name in both backends.

This commit is contained in:
Jules Blok 2014-12-14 21:50:46 +01:00
parent 332ba4b210
commit 887c669c28
1 changed files with 4 additions and 6 deletions
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10
Source/Core/VideoCommon/GeometryShaderGen.cpp
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@ -59,6 +59,9 @@ static inline void GenerateGeometryShader(T& out, u32 primitive_type, API_TYPE A
if (ApiType == API_OPENGL) if (ApiType == API_OPENGL)
{ {
if (g_ActiveConfig.backend_info.bSupportsGSInstancing)
out.Write("#define InstanceID gl_InvocationID\n");
out.Write("centroid in VS_OUTPUT o[3];\n"); out.Write("centroid in VS_OUTPUT o[3];\n");
out.Write("centroid out VS_OUTPUT vs;\n"); out.Write("centroid out VS_OUTPUT vs;\n");
out.Write("flat out int layer;\n"); out.Write("flat out int layer;\n");
@ -91,12 +94,7 @@ static inline void GenerateGeometryShader(T& out, u32 primitive_type, API_TYPE A
// If the GPU supports invocation we don't need a for loop and can simply use the // If the GPU supports invocation we don't need a for loop and can simply use the
// invocation identifier to determine which layer we're rendering. // invocation identifier to determine which layer we're rendering.
if (g_ActiveConfig.backend_info.bSupportsGSInstancing) if (g_ActiveConfig.backend_info.bSupportsGSInstancing)
{ out.Write("\tint eye = InstanceID;\n");
if (ApiType == API_OPENGL)
out.Write("\tint eye = gl_InvocationID;\n");
else
out.Write("\tint eye = InstanceID;\n");
}
else else
out.Write("\tfor (int eye = 0; eye < %d; ++eye) {\n", g_ActiveConfig.iStereoMode > 0 ? 2 : 1); out.Write("\tfor (int eye = 0; eye < %d; ++eye) {\n", g_ActiveConfig.iStereoMode > 0 ? 2 : 1);