Add shader type

src/Nazara/OpenGLRenderer/OpenGLShaderStage.cpp

@@ -31,6 +31,9 @@ namespace Nz
 				ByteStream byteStream(source, sourceSize);
 				auto shader = Nz::UnserializeShader(byteStream);
 
+				if (shader.GetStage() != type)
+					throw std::runtime_error("incompatible shader stage");
+
 				const auto& context = device.GetReferenceContext();
 				const auto& contextParams = context.GetParams();
 

src/Nazara/Renderer/ShaderSerializer.cpp

@@ -261,6 +261,8 @@ namespace Nz
 	{
 		m_stream << s_magicNumber << s_currentVersion;
 
+		m_stream << UInt32(shader.GetStage());
+
 		auto SerializeType = [&](const ShaderExpressionType& type)
 		{
 			std::visit([&](auto&& arg)
@@ -454,7 +456,10 @@ namespace Nz
 		if (version > s_currentVersion)
 			throw std::runtime_error("unsupported version");
 
-		ShaderAst shader;
+		UInt32 shaderStage;
+		m_stream >> shaderStage;
+
+		ShaderAst shader(static_cast<ShaderStageType>(shaderStage));
 
 		UInt32 structCount;
 		m_stream >> structCount;