public void OnProcessShader(Shader shader, ShaderSnippetData snippet, IList <ShaderCompilerData> inputData)
{
// Do we have a shader variant stripper function for this shader?
VariantStrippingFunc stripperFunc = null;
m_StripperFuncs.TryGetValue(shader.name, out stripperFunc);
if (stripperFunc == null || inputData.Count == 0)
{
return;
}
int inputShaderVariantCount = inputData.Count;
ShaderCompilerData workaround = inputData[0];
for (int i = 0; i < inputData.Count; ++i)
{
ShaderCompilerData input = inputData[i];
if (stripperFunc(shader, snippet, input))
{
inputData.RemoveAt(i);
i--;
}
}
// Currently if a certain snippet is completely stripped (for example if you remove a whole pass) other passes might get broken
// To work around that, we make sure that we always have at least one variant.
if (inputData.Count == 0)
{
inputData.Add(workaround);
}
}
public void OnProcessShader(Shader shader, ShaderSnippetData snippet, IList <ShaderCompilerData> inputData)
{
// This test will also return if we are not using HDRenderPipelineAsset
if (m_CurrentHDRPAsset == null || !m_CurrentHDRPAsset.allowShaderVariantStripping)
{
return;
}
// Do we have a shader variant stripper function for this shader?
VariantStrippingFunc stripperFunc = null;
m_StripperFuncs.TryGetValue(shader.name, out stripperFunc);
if (stripperFunc == null)
{
return;
}
int inputShaderVariantCount = inputData.Count;
for (int i = 0; i < inputData.Count; ++i)
{
ShaderCompilerData input = inputData[i];
if (stripperFunc(m_CurrentHDRPAsset, shader, snippet, input))
{
inputData.RemoveAt(i);
i--;
}
}
}
