From b291f8a21c728b3c7dd6b03ad87829f41052a4fe Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=B4me=20Leclercq?= <lynix680@gmail.com>
Date: Sat, 20 Feb 2021 19:25:25 +0100
Subject: [PATCH] Renderer: Implement TextureUsage

---
 include/Nazara/Renderer/Enums.hpp           | 20 ++++++++++++++++++++
 include/Nazara/Renderer/Texture.hpp         |  2 ++
 src/Nazara/VulkanRenderer/VulkanTexture.cpp |  2 +-
 3 files changed, 23 insertions(+), 1 deletion(-)

diff --git a/include/Nazara/Renderer/Enums.hpp b/include/Nazara/Renderer/Enums.hpp
index 2e3f95286..7204ff60d 100644
--- a/include/Nazara/Renderer/Enums.hpp
+++ b/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
diff --git a/include/Nazara/Renderer/Texture.hpp b/include/Nazara/Renderer/Texture.hpp
index 8f185fe21..450144d7b 100644
--- a/include/Nazara/Renderer/Texture.hpp
+++ b/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;
diff --git a/src/Nazara/VulkanRenderer/VulkanTexture.cpp b/src/Nazara/VulkanRenderer/VulkanTexture.cpp
index 377370946..275f78e92 100644
--- a/src/Nazara/VulkanRenderer/VulkanTexture.cpp
+++ b/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 = {