Renderer: Allow to enable or disable API validation layers using config

include/Nazara/Renderer/Enums.hpp

@@ -122,6 +122,16 @@ namespace Nz
 
 	constexpr std::size_t RenderAPICount = static_cast<std::size_t>(RenderAPI::Max) + 1;
 
+	enum class RenderAPIValidationLevel
+	{
+		None = 0,
+
+		Errors   = 1,
+		Warnings = 2,
+		Verbose  = 3,
+		Debug    = 4
+	};
+
 	enum class RenderDeviceType
 	{
 		Integrated, ///< Hardware-accelerated chipset integrated to a CPU (ex: Intel Graphics HD 4000)

include/Nazara/Renderer/Renderer.hpp

@@ -9,14 +9,16 @@
 
 #include <Nazara/Prerequisites.hpp>
 #include <Nazara/Core/DynLib.hpp>
+#include <Nazara/Core/ParameterList.hpp>
 #include <Nazara/Platform/Platform.hpp>
 #include <Nazara/Renderer/Config.hpp>
 #include <Nazara/Renderer/Enums.hpp>
-#include <Nazara/Renderer/RendererImpl.hpp>
+#include <Nazara/Renderer/RenderDevice.hpp>
 
 namespace Nz
 {
 	class Buffer;
+	class RendererImpl;
 
 	class NAZARA_RENDERER_API Renderer : public ModuleBase<Renderer>
 	{
@@ -42,13 +44,20 @@ namespace Nz
 
 			struct Config
 			{
+				ParameterList customParameters;
 				RenderAPI preferredAPI = RenderAPI::Unknown;
+#ifdef NAZARA_DEBUG
+				RenderAPIValidationLevel validationLevel = RenderAPIValidationLevel::Verbose;
+#else
+				RenderAPIValidationLevel validationLevel = RenderAPIValidationLevel::Errors;
+#endif
 			};
 
 		private:
 			void LoadBackend(const Config& config);
 
 			std::unique_ptr<RendererImpl> m_rendererImpl;
+			Config m_config;
 			DynLib m_rendererLib;
 
 			static Renderer* s_instance;

include/Nazara/Renderer/RendererImpl.hpp

@@ -12,6 +12,7 @@
 #include <Nazara/Renderer/Config.hpp>
 #include <Nazara/Renderer/Enums.hpp>
 #include <Nazara/Renderer/RenderDeviceInfo.hpp>
+#include <Nazara/Renderer/Renderer.hpp>
 #include <Nazara/Utility/Enums.hpp>
 #include <string>
 #include <vector>
@@ -44,7 +45,7 @@ namespace Nz
 
 			virtual const std::vector<RenderDeviceInfo>& QueryRenderDevices() const = 0;
 
-			virtual bool Prepare(const ParameterList& parameters) = 0;
+			virtual bool Prepare(const Renderer::Config& config) = 0;
 	};
 }