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Cache shader uniform locations instead of looking them up every frame (1-2 fps boost yay?)

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This commit is contained in:
parax0
2016-04-29 15:59:26 -06:00
parent e781908205
commit 420f483b56
4 changed files with 46 additions and 28 deletions
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20
src/Core/Resource/CMaterial.cpp
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@@ -105,12 +105,6 @@ void CMaterial::GenerateShader(bool AllowRegen /*= true*/)
bool CMaterial::SetCurrent(FRenderOptions Options)
{
// Bind textures
const char *skpSamplers[8] = {
"Texture0", "Texture1", "Texture2", "Texture3",
"Texture4", "Texture5", "Texture6", "Texture7"
};
// Skip material setup if the currently bound material is identical
if (sCurrentMaterial != HashParameters())
{
@@ -177,19 +171,13 @@ bool CMaterial::SetCurrent(FRenderOptions Options)
}
}
// Bind textures
CShader *pShader = CShader::CurrentShader();
// Set up shader uniforms
for (u32 iPass = 0; iPass < mPasses.size(); iPass++)
{
mPasses[iPass]->LoadTexture(iPass);
GLint sampler = pShader->GetUniformLocation(skpSamplers[iPass]);
glUniform1i(sampler, iPass);
}
// Bind num lights
GLuint NumLightsLoc = pShader->GetUniformLocation("NumLights");
glUniform1i(NumLightsLoc, CGraphics::sNumLights);
CShader *pShader = CShader::CurrentShader();
pShader->SetTextureUniforms(mPasses.size());
pShader->SetNumLights(CGraphics::sNumLights);
// Update shader blocks
CGraphics::UpdateVertexBlock();