Renderer: Implement TextureUsage

include/Nazara/Renderer/Enums.hpp

@@ -154,6 +154,26 @@ namespace Nz
 		TransferDestination,
 		Undefined
 	};
+
+	enum class TextureUsage
+	{
+		ColorOutput,
+		DepthStencilOutput,
+		InputAttachment,
+		ShaderSampling,
+		TransferSource,
+		TransferDestination,
+
+		Max = TransferDestination
+	};
+
+	template<>
+	struct EnumAsFlags<TextureUsage>
+	{
+		static constexpr TextureUsage max = TextureUsage::Max;
+	};
+
+	using TextureUsageFlags = Flags<TextureUsage>;
 }
 
 #endif // NAZARA_ENUMS_RENDERER_HPP

include/Nazara/Renderer/Texture.hpp

@@ -11,6 +11,7 @@
 #include <Nazara/Core/Resource.hpp>
 #include <Nazara/Math/Vector3.hpp>
 #include <Nazara/Renderer/Config.hpp>
+#include <Nazara/Renderer/Enums.hpp>
 #include <Nazara/Utility/Enums.hpp>
 
 namespace Nz
@@ -19,6 +20,7 @@ namespace Nz
 	{
 		PixelFormat pixelFormat;
 		ImageType type;
+		TextureUsageFlags usageFlags = TextureUsage::ShaderSampling | TextureUsage::TransferDestination;
 		UInt8 mipmapLevel = 1;
 		unsigned int depth = 1;
 		unsigned int height;