Method RebuildSamplerOverrides

trinity/Shader/Tr2Effect.cpp:614–665

}

void Tr2Effect::RebuildSamplerOverrides()
{
	if( m_samplerOverrides.empty() )
	{
		return;
	}

	USE_MAIN_THREAD_RENDER_CONTEXT();

	auto UpdateSamplers = [&]( ShaderType shaderType, const Tr2EffectStageInput& stage, Tr2ResourceSetDescriptionAL& resourceSetDesc ) {
		bool modified = false;
		for( auto& samplerOverride : m_samplerOverrides )
		{
			if( auto sampler = FindSamplerByName( stage.samplers, samplerOverride.name.c_str() ) )
			{
				modified |= resourceSetDesc.SetSampler( shaderType, sampler->first, samplerOverride.sampler );
			}
		}
		return modified;
	};

	auto& desc = m_shader->GetEffectDescription();
	for( size_t technique = 0; technique < desc.techniques.size(); ++technique )
	{
		const unsigned passCount = unsigned( desc.techniques[technique].passes.size() );
		for( unsigned passIx = 0; passIx != passCount; ++passIx )
		{
			Tr2EffectPassParameters& pp = *m_parametersForPasses[technique].passes[passIx];

			for( unsigned i = 0; i != Tr2RenderContextEnum::SHADER_TYPE_COUNT; ++i )
			{
				auto& stage = desc.techniques[technique].passes[passIx].stageInputs[i];
				if( !stage.m_exists )
				{
					continue;
				}

				if( UpdateSamplers( ShaderType( i ), stage, pp.m_resourceSetDesc ) )
				{
					pp.m_compatibleWithGdr = false;
					m_compatibleWithGdr = false;
				}
			}
		}
		for( unsigned passIx = 0; passIx != desc.techniques[technique].libraries.size(); ++passIx )
		{
			auto& pp = *m_parametersForPasses[technique].libraries[passIx];

			UpdateSamplers( Tr2RenderContextEnum::COMPUTE_SHADER, desc.techniques[technique].libraries[passIx].globalInput, pp.m_globalResourceSetDesc );
		}
	}
}

// ---------------------------------------------------------------
void Tr2Effect::RebuildCachedDataInternal()