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;

src/Nazara/VulkanRenderer/VulkanTexture.cpp

@@ -24,7 +24,7 @@ namespace Nz
 		createInfo.mipLevels = params.mipmapLevel;
 		createInfo.samples = VK_SAMPLE_COUNT_1_BIT;
 		createInfo.tiling = VK_IMAGE_TILING_OPTIMAL;
-		createInfo.usage = VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_SAMPLED_BIT;
+		createInfo.usage = ToVulkan(params.usageFlags);
 
 		VkImageViewCreateInfo createInfoView = { VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO };
 		createInfoView.subresourceRange = {