Add option to enable alpha blending

openVulkanoCpp/Scene/Shader.hpp

@@ -132,6 +132,7 @@ namespace openVulkanoCpp::Scene
 		Topology topology = Topology::TRIANGLE_LIST;
 		CullMode cullMode = CullMode::BACK;
 		ICloseable* renderShader = nullptr;
+		bool alphaBlend = false; // TODO allow fine control over blending
 
 		Shader() = default;
 		~Shader() override { if (renderShader) Shader::Close(); }