shadercache.cpp

void MeshNode::CompileAndLoadPixelShader()
{
	// Create a shader descriptor which we can use to either find the shader in the
	// shader cache or create and add it.
	// The hash used for lookup is generated from the shader name and defines passed
	// when it is compiled
	ShaderDescriptor descriptor("pbrpixel.hlsl", DevResources());
	auto textures = _material->Textures();

	// Allocate the defines map...
	int count = textures.size();

	// Iterate through all textures and set them as shader resources...
	int idx = 0;
	for (auto txItr = textures.begin(); txItr != textures.end(); ++txItr)
	{
		auto textureWrapper = txItr->second;
		auto type = textureWrapper->Type();

		const char *define = defineLookup[type];

		descriptor.AddDefine(define);
		idx++;
	}

	// Lookup and return or create the shader if necessary
	m_pixelShaderWrapper = ShaderCache<PixelShaderWrapper>::Instance().FindOrCreateShader(descriptor);
}