/* virtual */
Hd_DefaultLightingShader::ID
Hd_DefaultLightingShader::ComputeHash() const
{
TfToken glslfxFile = HdPackageDefaultLightingShader();
size_t hash = glslfxFile.Hash();
return (ID)hash;
}
/* virtual */
HdSt_FallbackLightingShader::ID
HdSt_FallbackLightingShader::ComputeHash() const
{
TfToken glslfxFile = HdStPackageFallbackLightingShader();
size_t hash = glslfxFile.Hash();
return (ID)hash;
}
/* virtual */
HdxSimpleLightingShader::ID
HdxSimpleLightingShader::ComputeHash() const
{
HD_TRACE_FUNCTION();
TfToken glslfxFile = HdxPackageSimpleLightingShader();
size_t numLights = _useLighting ? _lightingContext->GetNumLightsUsed() : 0;
bool useShadows = _useLighting ? _lightingContext->GetUseShadows() : false;
size_t hash = glslfxFile.Hash();
boost::hash_combine(hash, numLights);
boost::hash_combine(hash, useShadows);
return (ID)hash;
}