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Optimize shader uid checks by checking the number of uid values which are actually used.

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NeoBrainX
2013-06-22 21:24:21 +02:00
parent 16ada5fa3d
commit bdc28106ee
5 changed files with 44 additions and 29 deletions
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5
Source/Core/VideoCommon/Src/PixelShaderGen.cpp
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@ -535,6 +535,11 @@ static void GeneratePixelShader(T& out, DSTALPHA_MODE dstAlphaMode, API_TYPE Api
for (unsigned int i = 0; i < numStages; i++)
WriteStage<T>(out, uid_data, i, ApiType, RegisterStates); // build the equation for this stage
#define MY_STRUCT_OFFSET(str,elem) ((u32)((u64)&(str).elem-(u64)&(str)))
bool enable_pl = g_ActiveConfig.bEnablePixelLighting && g_ActiveConfig.backend_info.bSupportsPixelLighting;
uid_data.num_values = (enable_pl) ? sizeof(uid_data)/sizeof(32) : MY_STRUCT_OFFSET(uid_data,stagehash[numStages])/sizeof(u32);
if (numStages)
{
// The results of the last texenv stage are put onto the screen,