Add initial support for compute pipelines

examples/DeferredShading/main.cpp

@@ -151,7 +151,7 @@ int main()
 	textureBinding.setIndex = 0;
 	textureBinding.bindingIndex = 1;
 	textureBinding.shaderStageFlags = nzsl::ShaderStageType::Fragment;
-	textureBinding.type = Nz::ShaderBindingType::Texture;
+	textureBinding.type = Nz::ShaderBindingType::Sampler;
 
 	std::shared_ptr<Nz::RenderPipelineLayout> skyboxPipelineLayout = device->InstantiateRenderPipelineLayout(std::move(skyboxPipelineLayoutInfo));
 
@@ -275,7 +275,7 @@ int main()
 			0,
 			i + 1,
 			1,
-			Nz::ShaderBindingType::Texture,
+			Nz::ShaderBindingType::Sampler,
 			nzsl::ShaderStageType::Fragment,
 		});
 	}
@@ -367,7 +367,7 @@ int main()
 
 	fullscreenPipelineLayoutInfoViewer.bindings.push_back({
 		0, 1, 1,
-		Nz::ShaderBindingType::Texture,
+		Nz::ShaderBindingType::Sampler,
 		nzsl::ShaderStageType::Fragment,
 	});
 
@@ -452,7 +452,7 @@ int main()
 
 	bloomBlendPipelineLayoutInfo.bindings.push_back({
 		0, 2, 1,
-		Nz::ShaderBindingType::Texture,
+		Nz::ShaderBindingType::Sampler,
 		nzsl::ShaderStageType::Fragment,
 	});
 
@@ -476,7 +476,7 @@ int main()
 
 	fullscreenPipelineLayoutInfo.bindings.push_back({
 		0, 0, 1,
-		Nz::ShaderBindingType::Texture,
+		Nz::ShaderBindingType::Sampler,
 		nzsl::ShaderStageType::Fragment,
 	});
 
@@ -504,7 +504,7 @@ int main()
 			},
 			{
 				0, 2, 1,
-				Nz::ShaderBindingType::Texture,
+				Nz::ShaderBindingType::Sampler,
 				nzsl::ShaderStageType::Fragment,
 			},
 		}
@@ -613,7 +613,7 @@ int main()
 		},
 		{
 			1,
-			Nz::ShaderBinding::TextureBinding {
+			Nz::ShaderBinding::SampledTextureBinding {
 				skyboxTexture.get(),
 				textureSampler.get()
 			}
@@ -837,10 +837,10 @@ int main()
 			{
 				builder.BindShaderBinding(1, *lightingShaderBindings[i]);
 
-				builder.BindPipeline(*stencilPipeline);
+				builder.BindRenderPipeline(*stencilPipeline);
 				builder.DrawIndexed(coneMeshGfx->GetIndexCount(0));
 
-				builder.BindPipeline(*lightingPipeline);
+				builder.BindRenderPipeline(*lightingPipeline);
 				builder.DrawIndexed(coneMeshGfx->GetIndexCount(0));
 			}
 		});
@@ -862,7 +862,7 @@ int main()
 
 			builder.BindIndexBuffer(*cubeMeshGfx->GetIndexBuffer(0), Nz::IndexType::U16);
 			builder.BindVertexBuffer(0, *cubeMeshGfx->GetVertexBuffer(0));
-			builder.BindPipeline(*skyboxPipeline);
+			builder.BindRenderPipeline(*skyboxPipeline);
 
 			builder.DrawIndexed(Nz::SafeCast<Nz::UInt32>(cubeMeshGfx->GetIndexCount(0)));
 
@@ -932,7 +932,7 @@ int main()
 
 			builder.BindShaderBinding(0, *godRaysShaderBinding);
 
-			builder.BindPipeline(*godraysPipeline);
+			builder.BindRenderPipeline(*godraysPipeline);
 
 			builder.Draw(3);
 		});
@@ -948,7 +948,7 @@ int main()
 
 			builder.BindShaderBinding(0, *bloomBrightShaderBinding);
 
-			builder.BindPipeline(*bloomBrightPipeline);
+			builder.BindRenderPipeline(*bloomBrightPipeline);
 
 			builder.Draw(3);
 		});
@@ -970,7 +970,7 @@ int main()
 				builder.SetViewport(env.renderRect);
 
 				builder.BindShaderBinding(0, *gaussianBlurShaderBinding[i * 2 + 0]);
-				builder.BindPipeline(*gaussianBlurPipeline);
+				builder.BindRenderPipeline(*gaussianBlurPipeline);
 
 				builder.Draw(3);
 			});
@@ -990,7 +990,7 @@ int main()
 				builder.SetViewport(env.renderRect);
 
 				builder.BindShaderBinding(0, *gaussianBlurShaderBinding[i * 2 + 1]);
-				builder.BindPipeline(*gaussianBlurPipeline);
+				builder.BindRenderPipeline(*gaussianBlurPipeline);
 
 				builder.Draw(3);
 			});
@@ -1011,7 +1011,7 @@ int main()
 			builder.SetViewport(env.renderRect);
 
 			// Blend bloom
-			builder.BindPipeline(*bloomBlendPipeline);
+			builder.BindRenderPipeline(*bloomBlendPipeline);
 			for (std::size_t i = 0; i < BloomSubdivisionCount; ++i)
 			{
 				builder.BindShaderBinding(0, *bloomBlendShaderBinding[i]);
@@ -1046,7 +1046,7 @@ int main()
 			builder.SetViewport(env.renderRect);
 
 			builder.BindShaderBinding(0, *toneMappingShaderBinding);
-			builder.BindPipeline(*toneMappingPipeline);
+			builder.BindRenderPipeline(*toneMappingPipeline);
 
 			builder.Draw(3);
 		});
@@ -1218,21 +1218,21 @@ int main()
 				},
 				{
 					1,
-					Nz::ShaderBinding::TextureBinding {
+					Nz::ShaderBinding::SampledTextureBinding {
 						bakedGraph.GetAttachmentTexture(colorTexture).get(),
 						textureSampler.get()
 					}
 				},
 				{
 					2,
-					Nz::ShaderBinding::TextureBinding {
+					Nz::ShaderBinding::SampledTextureBinding {
 						bakedGraph.GetAttachmentTexture(normalTexture).get(),
 						textureSampler.get()
 					}
 				},
 				{
 					3,
-					Nz::ShaderBinding::TextureBinding {
+					Nz::ShaderBinding::SampledTextureBinding {
 						bakedGraph.GetAttachmentTexture(positionTexture).get(),
 						textureSampler.get()
 					}
@@ -1271,7 +1271,7 @@ int main()
 				},
 				{
 					1,
-					Nz::ShaderBinding::TextureBinding {
+					Nz::ShaderBinding::SampledTextureBinding {
 						bakedGraph.GetAttachmentTexture(lightOutput).get(),
 						textureSampler.get()
 					}
@@ -1296,7 +1296,7 @@ int main()
 						},
 						{
 							1,
-							Nz::ShaderBinding::TextureBinding {
+							Nz::ShaderBinding::SampledTextureBinding {
 								bakedGraph.GetAttachmentTexture((i == 0 && j == 0) ? bloomBrightOutput : bloomTextures[bloomTextureIndex++]).get(),
 								textureSampler.get()
 							}
@@ -1331,7 +1331,7 @@ int main()
 					},*/
 					{
 						2,
-						Nz::ShaderBinding::TextureBinding {
+						Nz::ShaderBinding::SampledTextureBinding {
 							bakedGraph.GetAttachmentTexture(bloomTextures[i * 2 + 1]).get(),
 							textureSampler.get()
 						}
@@ -1345,7 +1345,7 @@ int main()
 			bloomBlitBinding->Update({
 				{
 					0,
-					Nz::ShaderBinding::TextureBinding {
+					Nz::ShaderBinding::SampledTextureBinding {
 						bakedGraph.GetAttachmentTexture(lightOutput).get(),
 						textureSampler.get()
 					}
@@ -1358,7 +1358,7 @@ int main()
 			bloomSkipBlit->Update({
 				{
 					0,
-					Nz::ShaderBinding::TextureBinding {
+					Nz::ShaderBinding::SampledTextureBinding {
 						bakedGraph.GetAttachmentTexture(lightOutput).get(),
 						textureSampler.get()
 					}
@@ -1385,7 +1385,7 @@ int main()
 				},
 				{
 					2,
-					Nz::ShaderBinding::TextureBinding {
+					Nz::ShaderBinding::SampledTextureBinding {
 						bakedGraph.GetAttachmentTexture(occluderTexture).get(),
 						textureSampler.get()
 					}
@@ -1405,7 +1405,7 @@ int main()
 				},
 				{
 					1,
-					Nz::ShaderBinding::TextureBinding {
+					Nz::ShaderBinding::SampledTextureBinding {
 						bakedGraph.GetAttachmentTexture(bloomOutput).get(),
 						textureSampler.get()
 					}
@@ -1432,7 +1432,7 @@ int main()
 				},*/
 				{
 					2,
-					Nz::ShaderBinding::TextureBinding {
+					Nz::ShaderBinding::SampledTextureBinding {
 						bakedGraph.GetAttachmentTexture(godRaysTexture).get(),
 						textureSampler.get()
 					}
@@ -1445,7 +1445,7 @@ int main()
 			finalBlitBinding->Update({
 				{
 					0,
-					Nz::ShaderBinding::TextureBinding {
+					Nz::ShaderBinding::SampledTextureBinding {
 						bakedGraph.GetAttachmentTexture(toneMappingOutput).get(),
 						textureSampler.get()
 					}
@@ -1548,7 +1548,7 @@ int main()
 					builder.SetViewport(Nz::Recti{ 0, 0, int(windowSize.x), int(windowSize.y) });
 
 					builder.BindShaderBinding(0, *finalBlitBinding);
-					builder.BindPipeline(*fullscreenPipeline);
+					builder.BindRenderPipeline(*fullscreenPipeline);
 
 					builder.Draw(3);
 				}

examples/RenderTest/main.cpp

@@ -200,7 +200,7 @@ int main()
 	pipelineTextureBinding.setIndex = 1;
 	pipelineTextureBinding.bindingIndex = 0;
 	pipelineTextureBinding.shaderStageFlags = nzsl::ShaderStageType::Fragment;
-	pipelineTextureBinding.type = Nz::ShaderBindingType::Texture;
+	pipelineTextureBinding.type = Nz::ShaderBindingType::Sampler;
 
 	std::shared_ptr<Nz::RenderPipelineLayout> renderPipelineLayout = device->InstantiateRenderPipelineLayout(std::move(pipelineLayoutInfo));
 
@@ -218,14 +218,14 @@ int main()
 		}
 	});
 
-	Nz::ShaderBinding::TextureBinding textureBinding {
+	Nz::ShaderBinding::SampledTextureBinding textureBinding {
 		texture.get(), textureSampler.get()
 	};
 
 	textureShaderBinding->Update({
 		{
 			0,
-			Nz::ShaderBinding::TextureBindings {
+			Nz::ShaderBinding::SampledTextureBindings {
 				1, &textureBinding
 			}
 		}
@@ -389,7 +389,7 @@ int main()
 				builder.BeginRenderPass(windowRT->GetFramebuffer(frame.GetFramebufferIndex()), windowRT->GetRenderPass(), renderRect, { clearValues[0], clearValues[1] });
 				{
 					builder.BindIndexBuffer(*renderBufferIB, Nz::IndexType::U16);
-					builder.BindPipeline(*pipeline);
+					builder.BindRenderPipeline(*pipeline);
 					builder.BindVertexBuffer(0, *renderBufferVB);
 					builder.BindShaderBinding(0, *viewerShaderBinding);
 					builder.BindShaderBinding(1, *textureShaderBinding);

include/Nazara/Graphics/ShaderReflection.hpp

@@ -45,6 +45,13 @@ namespace Nz
 				UInt32 bindingIndex;
 			};
 
+			struct ExternalSampler : ExternalData
+			{
+				UInt32 arraySize;
+				nzsl::ImageType imageType;
+				nzsl::Ast::PrimitiveType sampledType;
+			};
+
 			struct ExternalStorageBlock : ExternalData
 			{
 				std::size_t structIndex;
@@ -53,8 +60,10 @@ namespace Nz
 			struct ExternalTexture : ExternalData
 			{
 				UInt32 arraySize;
+				nzsl::AccessPolicy accessPolicy;
+				nzsl::ImageFormat imageFormat;
 				nzsl::ImageType imageType;
-				nzsl::Ast::PrimitiveType sampledType;
+				nzsl::Ast::PrimitiveType baseType;
 			};
 
 			struct ExternalUniformBlock : ExternalData
@@ -64,8 +73,9 @@ namespace Nz
 
 			struct ExternalBlockData
 			{
+				std::unordered_map<std::string /*tag*/, ExternalSampler> samplers;
 				std::unordered_map<std::string /*tag*/, ExternalStorageBlock> storageBlocks;
-				std::unordered_map<std::string /*tag*/, ExternalTexture> samplers;
+				std::unordered_map<std::string /*tag*/, ExternalTexture> textures;
 				std::unordered_map<std::string /*tag*/, ExternalUniformBlock> uniformBlocks;
 			};
 

include/Nazara/Graphics/SubmeshRenderer.hpp

@@ -33,7 +33,7 @@ namespace Nz
 
 		private:
 			std::vector<ShaderBinding::Binding> m_bindingCache;
-			std::vector<ShaderBinding::TextureBinding> m_textureBindingCache;
+			std::vector<ShaderBinding::SampledTextureBinding> m_textureBindingCache;
 			RenderElementPool<RenderSubmesh> m_submeshPool;
 	};
 

include/Nazara/Graphics/Tilemap.hpp

@@ -11,8 +11,8 @@
 #include <Nazara/Core/Color.hpp>
 #include <Nazara/Graphics/Config.hpp>
 #include <Nazara/Graphics/InstancedRenderable.hpp>
-#include <Nazara/Utils/Bitset.hpp>
 #include <Nazara/Utility/VertexStruct.hpp>
+#include <Nazara/Utils/Bitset.hpp>
 #include <memory>
 
 namespace Nz

include/Nazara/OpenGLRenderer/OpenGLCommandBuffer.hpp

@@ -23,6 +23,7 @@
 namespace Nz
 {
 	class OpenGLCommandPool;
+	class OpenGLComputePipeline;
 	class OpenGLFramebuffer;
 	class OpenGLRenderPass;
 	class OpenGLTexture;
@@ -38,8 +39,9 @@ namespace Nz
 
 			inline void BeginDebugRegion(const std::string_view& regionName, const Color& color);
 
+			inline void BindComputePipeline(const OpenGLComputePipeline* pipeline);
 			inline void BindIndexBuffer(GLuint indexBuffer, IndexType indexType, UInt64 offset = 0);
-			inline void BindPipeline(const OpenGLRenderPipeline* pipeline);
+			inline void BindRenderPipeline(const OpenGLRenderPipeline* pipeline);
 			inline void BindShaderBinding(const OpenGLRenderPipelineLayout& pipelineLayout, UInt32 set, const OpenGLShaderBinding* binding);
 			inline void BindVertexBuffer(UInt32 binding, GLuint vertexBuffer, UInt64 offset = 0);
 			inline void BlitTexture(const OpenGLTexture& source, const Boxui& sourceBox, const OpenGLTexture& target, const Boxui& targetBox, SamplerFilter filter = SamplerFilter::Nearest);
@@ -48,6 +50,8 @@ namespace Nz
 			inline void CopyBuffer(const UploadPool::Allocation& allocation, GLuint target, UInt64 size, UInt64 sourceOffset = 0, UInt64 targetOffset = 0);
 			inline void CopyTexture(const OpenGLTexture& source, const Boxui& sourceBox, const OpenGLTexture& target, const Vector3ui& targetPoint);
 
+			inline void Dispatch(UInt32 numGroupsX, UInt32 numGroupsY, UInt32 numGroupsZ);
+
 			inline void Draw(UInt32 vertexCount, UInt32 instanceCount = 1, UInt32 firstVertex = 0, UInt32 firstInstance = 0);
 			inline void DrawIndexed(UInt32 indexCount, UInt32 instanceCount = 1, UInt32 firstIndex = 0, UInt32 firstInstance = 0);
 
@@ -89,6 +93,11 @@ namespace Nz
 				SamplerFilter filter;
 			};
 
+			struct ComputeStates
+			{
+				const OpenGLComputePipeline* pipeline = nullptr;
+			};
+
 			struct CopyBufferData
 			{
 				GLuint source;
@@ -114,6 +123,14 @@ namespace Nz
 				UInt64 targetOffset;
 			};
 
+			struct DispatchData
+			{
+				ComputeStates states;
+				UInt32 numGroupsX;
+				UInt32 numGroupsY;
+				UInt32 numGroupsZ;
+			};
+
 			struct DrawStates
 			{
 				struct VertexBuffer
@@ -168,13 +185,15 @@ namespace Nz
 				CopyBufferData,
 				CopyBufferFromMemoryData,
 				CopyTextureData,
+				DispatchData,
 				DrawData,
 				DrawIndexedData,
 				EndDebugRegionData,
 				SetFrameBufferData
 			>;
 
-			DrawStates m_currentStates;
+			ComputeStates m_currentComputeStates;
+			DrawStates m_currentDrawStates;
 			std::size_t m_bindingIndex;
 			std::size_t m_maxColorBufferCount;
 			std::size_t m_poolIndex;

include/Nazara/OpenGLRenderer/OpenGLCommandBuffer.inl

@@ -33,32 +33,37 @@ namespace Nz
 		m_commands.emplace_back(std::move(beginDebugRegion));
 	}
 
-	inline void OpenGLCommandBuffer::BindIndexBuffer(GLuint indexBuffer, IndexType indexType, UInt64 offset)
+	inline void OpenGLCommandBuffer::BindComputePipeline(const OpenGLComputePipeline* pipeline)
 	{
-		m_currentStates.indexBuffer = indexBuffer;
-		m_currentStates.indexBufferOffset = offset;
-		m_currentStates.indexBufferType = indexType;
+		m_currentComputeStates.pipeline = pipeline;
 	}
 
-	inline void OpenGLCommandBuffer::BindPipeline(const OpenGLRenderPipeline* pipeline)
+	inline void OpenGLCommandBuffer::BindIndexBuffer(GLuint indexBuffer, IndexType indexType, UInt64 offset)
 	{
-		m_currentStates.pipeline = pipeline;
+		m_currentDrawStates.indexBuffer = indexBuffer;
+		m_currentDrawStates.indexBufferOffset = offset;
+		m_currentDrawStates.indexBufferType = indexType;
+	}
+
+	inline void OpenGLCommandBuffer::BindRenderPipeline(const OpenGLRenderPipeline* pipeline)
+	{
+		m_currentDrawStates.pipeline = pipeline;
 	}
 
 	inline void OpenGLCommandBuffer::BindShaderBinding(const OpenGLRenderPipelineLayout& pipelineLayout, UInt32 set, const OpenGLShaderBinding* binding)
 	{
-		if (set >= m_currentStates.shaderBindings.size())
-			m_currentStates.shaderBindings.resize(set + 1);
+		if (set >= m_currentDrawStates.shaderBindings.size())
+			m_currentDrawStates.shaderBindings.resize(set + 1);
 
-		m_currentStates.shaderBindings[set] = std::make_pair(&pipelineLayout, binding);
+		m_currentDrawStates.shaderBindings[set] = std::make_pair(&pipelineLayout, binding);
 	}
 
 	inline void OpenGLCommandBuffer::BindVertexBuffer(UInt32 binding, GLuint vertexBuffer, UInt64 offset)
 	{
-		if (binding >= m_currentStates.vertexBuffers.size())
-			m_currentStates.vertexBuffers.resize(binding + 1);
+		if (binding >= m_currentDrawStates.vertexBuffers.size())
+			m_currentDrawStates.vertexBuffers.resize(binding + 1);
 
-		auto& vertexBufferData = m_currentStates.vertexBuffers[binding];
+		auto& vertexBufferData = m_currentDrawStates.vertexBuffers[binding];
 		vertexBufferData.offset = offset;
 		vertexBufferData.vertexBuffer = vertexBuffer;
 	}
@@ -113,13 +118,27 @@ namespace Nz
 		m_commands.emplace_back(std::move(copyTexture));
 	}
 
+	inline void OpenGLCommandBuffer::Dispatch(UInt32 numGroupsX, UInt32 numGroupsY, UInt32 numGroupsZ)
+	{
+		if (!m_currentComputeStates.pipeline)
+			throw std::runtime_error("no pipeline bound");
+
+		DispatchData dispatch;
+		dispatch.states = m_currentComputeStates;
+		dispatch.numGroupsX = numGroupsX;
+		dispatch.numGroupsY = numGroupsY;
+		dispatch.numGroupsZ = numGroupsZ;
+
+		m_commands.emplace_back(std::move(dispatch));
+	}
+
 	inline void OpenGLCommandBuffer::Draw(UInt32 vertexCount, UInt32 instanceCount, UInt32 firstVertex, UInt32 firstInstance)
 	{
-		if (!m_currentStates.pipeline)
+		if (!m_currentDrawStates.pipeline)
 			throw std::runtime_error("no pipeline bound");
 
 		DrawData draw;
-		draw.states = m_currentStates;
+		draw.states = m_currentDrawStates;
 		draw.firstInstance = firstInstance;
 		draw.firstVertex = firstVertex;
 		draw.instanceCount = instanceCount;
@@ -130,11 +149,11 @@ namespace Nz
 
 	inline void OpenGLCommandBuffer::DrawIndexed(UInt32 indexCount, UInt32 instanceCount, UInt32 firstIndex, UInt32 firstInstance)
 	{
-		if (!m_currentStates.pipeline)
+		if (!m_currentDrawStates.pipeline)
 			throw std::runtime_error("no pipeline bound");
 
 		DrawIndexedData draw;
-		draw.states = m_currentStates;
+		draw.states = m_currentDrawStates;
 		draw.firstIndex = firstIndex;
 		draw.firstInstance = firstInstance;
 		draw.indexCount = indexCount;
@@ -177,17 +196,17 @@ namespace Nz
 
 		m_commands.emplace_back(std::move(setFramebuffer));
 
-		m_currentStates.shouldFlipY = (framebuffer.GetType() == FramebufferType::Window);
+		m_currentDrawStates.shouldFlipY = (framebuffer.GetType() == FramebufferType::Window);
 	}
 
 	inline void OpenGLCommandBuffer::SetScissor(const Recti& scissorRegion)
 	{
-		m_currentStates.scissorRegion = scissorRegion;
+		m_currentDrawStates.scissorRegion = scissorRegion;
 	}
 
 	inline void OpenGLCommandBuffer::SetViewport(const Recti& viewportRegion)
 	{
-		m_currentStates.viewportRegion = viewportRegion;
+		m_currentDrawStates.viewportRegion = viewportRegion;
 	}
 }
 

include/Nazara/OpenGLRenderer/OpenGLCommandBufferBuilder.hpp

@@ -27,8 +27,9 @@ namespace Nz
 			void BeginDebugRegion(const std::string_view& regionName, const Color& color) override;
 			void BeginRenderPass(const Framebuffer& framebuffer, const RenderPass& renderPass, const Recti& renderRect, const ClearValues* clearValues, std::size_t clearValueCount) override;
 
+			void BindComputePipeline(const ComputePipeline& pipeline) override;
 			void BindIndexBuffer(const RenderBuffer& indexBuffer, IndexType indexType, UInt64 offset = 0) override;
-			void BindPipeline(const RenderPipeline& pipeline) override;
+			void BindRenderPipeline(const RenderPipeline& pipeline) override;
 			void BindShaderBinding(UInt32 set, const ShaderBinding& binding) override;
 			void BindShaderBinding(const RenderPipelineLayout& pipelineLayout, UInt32 set, const ShaderBinding& binding) override;
 			void BindVertexBuffer(UInt32 binding, const RenderBuffer& vertexBuffer, UInt64 offset = 0) override;
@@ -39,6 +40,8 @@ namespace Nz
 			void CopyBuffer(const UploadPool::Allocation& allocation, const RenderBufferView& target, UInt64 size, UInt64 sourceOffset = 0, UInt64 targetOffset = 0) override;
 			void CopyTexture(const Texture& fromTexture, const Boxui& fromBox, TextureLayout fromLayout, const Texture& toTexture, const Vector3ui& toPos, TextureLayout toLayout) override;
 
+			void Dispatch(UInt32 workgroupX, UInt32 workgroupY, UInt32 workgroupZ) override;
+
 			void Draw(UInt32 vertexCount, UInt32 instanceCount = 1, UInt32 firstVertex = 0, UInt32 firstInstance = 0) override;
 			void DrawIndexed(UInt32 indexCount, UInt32 instanceCount = 1, UInt32 firstIndex = 0, UInt32 firstInstance = 0) override;
 

include/Nazara/OpenGLRenderer/OpenGLComputePipeline.hpp

@@ -0,0 +1,39 @@
+// Copyright (C) 2022 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
+// This file is part of the "Nazara Engine - OpenGL renderer"
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#pragma once
+
+#ifndef NAZARA_OPENGLRENDERER_OPENGLCOMPUTEPIPELINE_HPP
+#define NAZARA_OPENGLRENDERER_OPENGLCOMPUTEPIPELINE_HPP
+
+#include <Nazara/Prerequisites.hpp>
+#include <Nazara/OpenGLRenderer/Config.hpp>
+#include <Nazara/OpenGLRenderer/Wrapper/Program.hpp>
+#include <Nazara/Renderer/ComputePipeline.hpp>
+#include <Nazara/Utils/MovablePtr.hpp>
+#include <vector>
+
+namespace Nz
+{
+	class NAZARA_OPENGLRENDERER_API OpenGLComputePipeline : public ComputePipeline
+	{
+		public:
+			OpenGLComputePipeline(OpenGLDevice& device, ComputePipelineInfo pipelineInfo);
+			~OpenGLComputePipeline() = default;
+
+			void Apply(const GL::Context& context) const;
+
+			inline const ComputePipelineInfo& GetPipelineInfo() const override;
+
+			void UpdateDebugName(std::string_view name) override;
+
+		private:
+			ComputePipelineInfo m_pipelineInfo;
+			GL::Program m_program;
+	};
+}
+
+#include <Nazara/OpenGLRenderer/OpenGLComputePipeline.inl>
+
+#endif // NAZARA_OPENGLRENDERER_OPENGLCOMPUTEPIPELINE_HPP

include/Nazara/OpenGLRenderer/OpenGLComputePipeline.inl

@@ -0,0 +1,16 @@
+// Copyright (C) 2022 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
+// This file is part of the "Nazara Engine - OpenGL renderer"
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#include <Nazara/OpenGLRenderer/OpenGLComputePipeline.hpp>
+#include <Nazara/OpenGLRenderer/Debug.hpp>
+
+namespace Nz
+{
+	inline const ComputePipelineInfo& OpenGLComputePipeline::GetPipelineInfo() const
+	{
+		return m_pipelineInfo;
+	}
+}
+
+#include <Nazara/OpenGLRenderer/DebugOff.hpp>

include/Nazara/OpenGLRenderer/OpenGLDevice.hpp

@@ -38,6 +38,7 @@ namespace Nz
 
 			std::shared_ptr<RenderBuffer> InstantiateBuffer(BufferType type, UInt64 size, BufferUsageFlags usageFlags, const void* initialData = nullptr) override;
 			std::shared_ptr<CommandPool> InstantiateCommandPool(QueueType queueType) override;
+			std::shared_ptr<ComputePipeline> InstantiateComputePipeline(ComputePipelineInfo pipelineInfo) override;
 			std::shared_ptr<Framebuffer> InstantiateFramebuffer(unsigned int width, unsigned int height, const std::shared_ptr<RenderPass>& renderPass, const std::vector<std::shared_ptr<Texture>>& attachments) override;
 			std::shared_ptr<RenderPass> InstantiateRenderPass(std::vector<RenderPass::Attachment> attachments, std::vector<RenderPass::SubpassDescription> subpassDescriptions, std::vector<RenderPass::SubpassDependency> subpassDependencies) override;
 			std::shared_ptr<RenderPipeline> InstantiateRenderPipeline(RenderPipelineInfo pipelineInfo) override;

include/Nazara/OpenGLRenderer/OpenGLRenderPipelineLayout.hpp

@@ -43,6 +43,7 @@ namespace Nz
 
 		private:
 			struct DescriptorPool;
+			struct SampledTextureDescriptor;
 			struct StorageBufferDescriptor;
 			struct TextureDescriptor;
 			struct UniformBufferDescriptor;
@@ -50,12 +51,20 @@ namespace Nz
 			DescriptorPool& AllocatePool();
 			ShaderBindingPtr AllocateFromPool(std::size_t poolIndex, UInt32 setIndex);
 			template<typename F> void ForEachDescriptor(std::size_t poolIndex, std::size_t bindingIndex, F&& functor);
+			SampledTextureDescriptor& GetSampledTextureDescriptor(std::size_t poolIndex, std::size_t bindingIndex, std::size_t descriptorIndex);
 			StorageBufferDescriptor& GetStorageBufferDescriptor(std::size_t poolIndex, std::size_t bindingIndex, std::size_t descriptorIndex);
 			TextureDescriptor& GetTextureDescriptor(std::size_t poolIndex, std::size_t bindingIndex, std::size_t descriptorIndex);
 			UniformBufferDescriptor& GetUniformBufferDescriptor(std::size_t poolIndex, std::size_t bindingIndex, std::size_t descriptorIndex);
 			void Release(ShaderBinding& binding);
 			inline void TryToShrink();
 
+			struct SampledTextureDescriptor
+			{
+				GLuint texture;
+				GLuint sampler;
+				GL::TextureTarget textureTarget;
+			};
+
 			struct StorageBufferDescriptor
 			{
 				GLuint buffer;
@@ -65,9 +74,12 @@ namespace Nz
 
 			struct TextureDescriptor
 			{
+				GLboolean layered;
+				GLenum access;
+				GLenum format;
+				GLint layer;
+				GLint level;
 				GLuint texture;
-				GLuint sampler;
-				GL::TextureTarget textureTarget;
 			};
 
 			struct UniformBufferDescriptor
@@ -77,7 +89,7 @@ namespace Nz
 				GLsizeiptr size;
 			};
 
-			using Descriptor = std::variant<std::monostate, StorageBufferDescriptor, TextureDescriptor, UniformBufferDescriptor>;
+			using Descriptor = std::variant<std::monostate, SampledTextureDescriptor, StorageBufferDescriptor, TextureDescriptor, UniformBufferDescriptor>;
 
 			struct DescriptorPool
 			{

include/Nazara/OpenGLRenderer/OpenGLShaderBinding.hpp

@@ -38,7 +38,7 @@ namespace Nz
 			OpenGLShaderBinding& operator=(OpenGLShaderBinding&&) = delete;
 
 		private:
-			void HandleTextureBinding(UInt32 bindingIndex, const TextureBinding& textureBinding);
+			void HandleTextureBinding(UInt32 bindingIndex, const SampledTextureBinding& textureBinding);
 			void Release() override;
 
 			OpenGLRenderPipelineLayout& m_owner;

include/Nazara/OpenGLRenderer/Utils.hpp

@@ -42,6 +42,7 @@ namespace Nz
 	inline GLenum ToOpenGL(SamplerWrap wrapMode);
 	inline GLenum ToOpenGL(nzsl::ShaderStageType stageType);
 	inline GLenum ToOpenGL(StencilOperation stencilOp);
+	inline GLenum ToOpenGL(TextureAccess textureAccess);
 	inline GLenum ToOpenGL(GL::BufferTarget bufferTarget);
 	inline GLenum ToOpenGL(GL::TextureTarget bufferTarget);
 

include/Nazara/OpenGLRenderer/Utils.inl

@@ -229,6 +229,7 @@ namespace Nz
 	{
 		switch (stageType)
 		{
+			case nzsl::ShaderStageType::Compute:  return GL_COMPUTE_SHADER;
 			case nzsl::ShaderStageType::Fragment: return GL_FRAGMENT_SHADER;
 			case nzsl::ShaderStageType::Vertex:   return GL_VERTEX_SHADER;
 		}
@@ -255,6 +256,19 @@ namespace Nz
 		return {};
 	}
 
+	inline GLenum ToOpenGL(TextureAccess textureAccess)
+	{
+		switch (textureAccess)
+		{
+			case TextureAccess::ReadOnly:  return GL_READ_ONLY;
+			case TextureAccess::ReadWrite: return GL_READ_WRITE;
+			case TextureAccess::WriteOnly: return GL_WRITE_ONLY;
+		}
+
+		NazaraError("Unhandled TextureAccess 0x" + NumberToString(UnderlyingCast(textureAccess), 16));
+		return {};
+	}
+
 	inline GLenum ToOpenGL(GL::BufferTarget bufferTarget)
 	{
 		switch (bufferTarget)

include/Nazara/OpenGLRenderer/Wrapper/Context.hpp

@@ -54,9 +54,12 @@ namespace Nz::GL
 	enum class Extension
 	{
 		ClipControl,
+		ComputeShader,
 		DebugOutput,
 		DepthClamp,
 		PolygonMode,
+		ShaderImageLoadFormatted,
+		ShaderImageLoadStore,
 		SpirV,
 		StorageBuffers,
 		TextureCompressionS3tc,
@@ -127,6 +130,7 @@ namespace Nz::GL
 			void BindBuffer(BufferTarget target, GLuint buffer, bool force = false) const;
 			[[nodiscard]] GLenum BindFramebuffer(GLuint fbo) const;
 			void BindFramebuffer(FramebufferTarget target, GLuint fbo) const;
+			void BindImageTexture(GLuint imageUnit, GLuint texture, GLint level, GLboolean layered, GLint layer, GLenum access, GLenum format) const;
 			void BindProgram(GLuint program) const;
 			void BindSampler(UInt32 textureUnit, GLuint sampler) const;
 			void BindStorageBuffer(UInt32 storageUnit, GLuint buffer, GLintptr offset, GLsizeiptr size) const;
@@ -145,11 +149,16 @@ namespace Nz::GL
 
 			virtual void EnableVerticalSync(bool enabled) = 0;
 
+			inline bool GetBoolean(GLenum name) const;
+			inline bool GetBoolean(GLenum name, GLuint index) const;
 			inline const OpenGLDevice* GetDevice() const;
 			inline ExtensionStatus GetExtensionStatus(Extension extension) const;
+			inline float GetFloat(GLenum name) const;
 			inline GLFunction GetFunctionByIndex(std::size_t funcIndex) const;
-			inline const OpenGLVaoCache& GetVaoCache() const;
+			template<typename T> T GetInteger(GLenum name) const;
+			template<typename T> T GetInteger(GLenum name, GLuint index) const;
 			inline const ContextParams& GetParams() const;
+			inline const OpenGLVaoCache& GetVaoCache() const;
 
 			inline bool IsExtensionSupported(Extension extension) const;
 			inline bool IsExtensionSupported(const std::string& extension) const;
@@ -232,6 +241,16 @@ namespace Nz::GL
 					GLsizeiptr size = 0;
 				};
 
+				struct ImageUnits
+				{
+					GLboolean layered = GL_FALSE;
+					GLenum access = GL_READ_ONLY;
+					GLenum format = GL_RGBA8;
+					GLint layer = 0;
+					GLint level = 0;
+					GLuint texture = 0;
+				};
+
 				struct TextureUnit
 				{
 					GLuint sampler = 0;
@@ -239,9 +258,10 @@ namespace Nz::GL
 				};
 
 				std::array<GLuint, UnderlyingCast(BufferTarget::Max) + 1> bufferTargets = { 0 };
-				std::vector<TextureUnit> textureUnits;
 				std::vector<BufferBinding> storageUnits;
 				std::vector<BufferBinding> uboUnits;
+				std::vector<ImageUnits> imageUnits;
+				std::vector<TextureUnit> textureUnits;
 				Box scissorBox;
 				Box viewport;
 				GLuint boundProgram = 0;

include/Nazara/OpenGLRenderer/Wrapper/Context.inl

@@ -15,6 +15,22 @@ namespace Nz::GL
 		return !m_hadAnyError;
 	}
 
+	inline bool Context::GetBoolean(GLenum name) const
+	{
+		GLboolean value;
+		glGetBooleanv(name, &value);
+
+		return value != GL_FALSE;
+	}
+
+	inline bool Context::GetBoolean(GLenum name, GLuint index) const
+	{
+		GLboolean value;
+		glGetBooleani_v(name, index, &value);
+
+		return value != GL_FALSE;
+	}
+
 	inline const OpenGLDevice* Context::GetDevice() const
 	{
 		return m_device;
@@ -25,15 +41,56 @@ namespace Nz::GL
 		return m_extensionStatus[UnderlyingCast(extension)];
 	}
 
+	inline float Context::GetFloat(GLenum name) const
+	{
+		GLfloat value;
+		glGetFloatv(name, &value);
+
+		return value;
+	}
+
 	inline GLFunction Context::GetFunctionByIndex(std::size_t funcIndex) const
 	{
 		assert(funcIndex < m_originalFunctionPointer.size());
 		return m_originalFunctionPointer[funcIndex];
 	}
 
-	inline const OpenGLVaoCache& Context::GetVaoCache() const
+	template<typename T>
+	T Context::GetInteger(GLenum name) const
 	{
-		return m_vaoCache;
+		if constexpr (std::is_same_v<T, Int64> || std::is_same_v<T, UInt64>)
+		{
+			GLint64 value;
+			glGetInteger64v(name, &value);
+
+			return SafeCast<T>(value);
+		}
+		else
+		{
+			GLint value;
+			glGetIntegerv(name, &value);
+
+			return SafeCast<T>(value);
+		}
+	}
+
+	template<typename T>
+	T Context::GetInteger(GLenum name, GLuint index) const
+	{
+		if constexpr (std::is_same_v<T, Int64> || std::is_same_v<T, UInt64>)
+		{
+			GLint64 value;
+			glGetInteger64i_v(name, index, &value);
+
+			return SafeCast<T>(value);
+		}
+		else
+		{
+			GLint value;
+			glGetIntegeri_v(name, index, &value);
+
+			return SafeCast<T>(value);
+		}
 	}
 
 	inline const ContextParams& Context::GetParams() const
@@ -41,6 +98,11 @@ namespace Nz::GL
 		return m_params;
 	}
 
+	inline const OpenGLVaoCache& Context::GetVaoCache() const
+	{
+		return m_vaoCache;
+	}
+
 	inline bool Context::IsExtensionSupported(Extension extension) const
 	{
 		return GetExtensionStatus(extension) != ExtensionStatus::NotSupported;

include/Nazara/OpenGLRenderer/Wrapper/ContextObject.inl

@@ -91,7 +91,7 @@ namespace Nz::GL
 		EnsureContext();
 
 		if (m_context->glObjectLabel)
-			m_context->glObjectLabel(ObjectType, m_objectId, name.size(), name.data());
+			m_context->glObjectLabel(ObjectType, m_objectId, SafeCast<GLsizei>(name.size()), name.data());
 	}
 }
 

include/Nazara/OpenGLRenderer/Wrapper/CoreFunctions.hpp

@@ -118,9 +118,13 @@ typedef void (GL_APIENTRYP PFNGLSPECIALIZESHADERPROC) (GLuint shader, const GLch
 	cb(glGetActiveUniformBlockiv, PFNGLGETACTIVEUNIFORMBLOCKIVPROC) \
 	cb(glGetActiveUniformBlockName, PFNGLGETACTIVEUNIFORMBLOCKNAMEPROC) \
 	cb(glGetBooleanv, PFNGLGETBOOLEANVPROC) \
+	cb(glGetBooleani_v, PFNGLGETBOOLEANI_VPROC) \
 	cb(glGetBufferParameteriv, PFNGLGETBUFFERPARAMETERIVPROC) \
 	cb(glGetError, PFNGLGETERRORPROC) \
 	cb(glGetFloatv, PFNGLGETFLOATVPROC) \
+	cb(glGetInteger64i_v, PFNGLGETINTEGER64I_VPROC) \
+	cb(glGetInteger64v, PFNGLGETINTEGER64VPROC) \
+	cb(glGetIntegeri_v, PFNGLGETINTEGERI_VPROC) \
 	cb(glGetIntegerv, PFNGLGETINTEGERVPROC) \
 	cb(glGetProgramBinary, PFNGLGETPROGRAMBINARYPROC) \
 	cb(glGetProgramInfoLog, PFNGLGETPROGRAMINFOLOGPROC) \
@@ -195,8 +199,11 @@ typedef void (GL_APIENTRYP PFNGLSPECIALIZESHADERPROC) (GLuint shader, const GLch
 	extCb(glDrawBuffer, PFNGLDRAWBUFFERPROC) \
 	extCb(glPolygonMode, PFNGLPOLYGONMODEPROC) \
 	/* OpenGL 4.2 - OpenGL ES 3.1 */\
+	extCb(glBindImageTexture, PFNGLBINDIMAGETEXTUREPROC) \
 	extCb(glMemoryBarrier, PFNGLMEMORYBARRIERPROC) \
 	extCb(glMemoryBarrierByRegion, PFNGLMEMORYBARRIERBYREGIONPROC) \
+	/* OpenGL 4.3 - OpenGL ES 3.1 */\
+	extCb(glDispatchCompute, PFNGLDISPATCHCOMPUTEPROC) \
 	/* OpenGL 4.3 - OpenGL ES 3.2 */\
 	extCb(glCopyImageSubData, PFNGLCOPYIMAGESUBDATAPROC) \
 	extCb(glDebugMessageCallback, PFNGLDEBUGMESSAGECALLBACKPROC) \

include/Nazara/Renderer/CommandBufferBuilder.hpp

@@ -20,6 +20,7 @@
 
 namespace Nz
 {
+	class ComputePipeline;
 	class Framebuffer;
 	class RenderPass;
 	class RenderPipeline;
@@ -42,8 +43,9 @@ namespace Nz
 			inline void BeginRenderPass(const Framebuffer& framebuffer, const RenderPass& renderPass, const Recti& renderRect);
 			inline void BeginRenderPass(const Framebuffer& framebuffer, const RenderPass& renderPass, const Recti& renderRect, std::initializer_list<ClearValues> clearValues);
 
+			virtual void BindComputePipeline(const ComputePipeline& pipeline) = 0;
 			virtual void BindIndexBuffer(const RenderBuffer& indexBuffer, IndexType indexType, UInt64 offset = 0) = 0;
-			virtual void BindPipeline(const RenderPipeline& pipeline) = 0;
+			virtual void BindRenderPipeline(const RenderPipeline& pipeline) = 0;
 			virtual void BindShaderBinding(UInt32 set, const ShaderBinding& binding) = 0;
 			virtual void BindShaderBinding(const RenderPipelineLayout& pipelineLayout, UInt32 set, const ShaderBinding& binding) = 0;
 			virtual void BindVertexBuffer(UInt32 binding, const RenderBuffer& vertexBuffer, UInt64 offset = 0) = 0;
@@ -59,6 +61,8 @@ namespace Nz
 			virtual void Draw(UInt32 vertexCount, UInt32 instanceCount = 1, UInt32 firstVertex = 0, UInt32 firstInstance = 0) = 0;
 			virtual void DrawIndexed(UInt32 indexCount, UInt32 instanceCount = 1, UInt32 firstIndex = 0, UInt32 firstInstance = 0) = 0;
 
+			virtual void Dispatch(UInt32 workgroupX, UInt32 workgroupY, UInt32 workgroupZ) = 0;
+
 			virtual void EndDebugRegion() = 0;
 			virtual void EndRenderPass() = 0;
 

include/Nazara/Renderer/ComputePipeline.hpp

@@ -0,0 +1,39 @@
+// Copyright (C) 2022 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
+// This file is part of the "Nazara Engine - Renderer module"
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#pragma once
+
+#ifndef NAZARA_RENDERER_COMPUTEPIPELINE_HPP
+#define NAZARA_RENDERER_COMPUTEPIPELINE_HPP
+
+#include <Nazara/Renderer/RenderPipelineLayout.hpp>
+#include <Nazara/Renderer/ShaderModule.hpp>
+#include <Nazara/Utility/Enums.hpp>
+
+namespace Nz
+{
+	class RenderPipelineLayout;
+	class ShaderModule;
+
+	struct ComputePipelineInfo
+	{
+		std::shared_ptr<RenderPipelineLayout> pipelineLayout;
+		std::shared_ptr<ShaderModule> shaderModule;
+	};
+
+	class NAZARA_RENDERER_API ComputePipeline
+	{
+		public:
+			ComputePipeline() = default;
+			virtual ~ComputePipeline();
+
+			virtual const ComputePipelineInfo& GetPipelineInfo() const = 0;
+
+			virtual void UpdateDebugName(std::string_view name) = 0;
+	};
+}
+
+#include <Nazara/Renderer/ComputePipeline.inl>
+
+#endif // NAZARA_RENDERER_COMPUTEPIPELINE_HPP

include/Nazara/Renderer/ComputePipeline.inl

@@ -0,0 +1,13 @@
+// Copyright (C) 2022 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
+// This file is part of the "Nazara Engine - Renderer module"
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#include <Nazara/Renderer/ComputePipeline.hpp>
+#include <Nazara/Core/Error.hpp>
+#include <Nazara/Renderer/Debug.hpp>
+
+namespace Nz
+{
+}
+
+#include <Nazara/Renderer/DebugOff.hpp>

include/Nazara/Renderer/Enums.hpp

@@ -165,6 +165,7 @@ namespace Nz
 
 	enum class ShaderBindingType
 	{
+		Sampler,
 		StorageBuffer,
 		Texture,
 		UniformBuffer,
@@ -182,6 +183,13 @@ namespace Nz
 		SpirV
 	};
 
+	enum class TextureAccess
+	{
+		ReadOnly,
+		ReadWrite,
+		WriteOnly
+	};
+
 	enum class TextureLayout
 	{
 		ColorInput,
@@ -199,6 +207,7 @@ namespace Nz
 		ColorAttachment,
 		DepthStencilAttachment,
 		InputAttachment,
+		ShaderReadWrite,
 		ShaderSampling,
 		TransferSource,
 		TransferDestination,

include/Nazara/Renderer/RenderDevice.hpp

@@ -8,6 +8,7 @@
 #define NAZARA_RENDERER_RENDERDEVICE_HPP
 
 #include <Nazara/Prerequisites.hpp>
+#include <Nazara/Renderer/ComputePipeline.hpp>
 #include <Nazara/Renderer/Config.hpp>
 #include <Nazara/Renderer/Enums.hpp>
 #include <Nazara/Renderer/Framebuffer.hpp>
@@ -40,6 +41,7 @@ namespace Nz
 
 			virtual std::shared_ptr<RenderBuffer> InstantiateBuffer(BufferType type, UInt64 size, BufferUsageFlags usageFlags, const void* initialData = nullptr) = 0;
 			virtual std::shared_ptr<CommandPool> InstantiateCommandPool(QueueType queueType) = 0;
+			virtual std::shared_ptr<ComputePipeline> InstantiateComputePipeline(ComputePipelineInfo pipelineInfo) = 0;
 			virtual std::shared_ptr<Framebuffer> InstantiateFramebuffer(unsigned int width, unsigned int height, const std::shared_ptr<RenderPass>& renderPass, const std::vector<std::shared_ptr<Texture>>& attachments) = 0;
 			virtual std::shared_ptr<RenderPass> InstantiateRenderPass(std::vector<RenderPass::Attachment> attachments, std::vector<RenderPass::SubpassDescription> subpassDescriptions, std::vector<RenderPass::SubpassDependency> subpassDependencies) = 0;
 			virtual std::shared_ptr<RenderPipeline> InstantiateRenderPipeline(RenderPipelineInfo pipelineInfo) = 0;

include/Nazara/Renderer/RenderDeviceInfo.hpp

@@ -8,6 +8,7 @@
 #define NAZARA_RENDERER_RENDERDEVICEINFO_HPP
 
 #include <Nazara/Prerequisites.hpp>
+#include <Nazara/Math/Vector3.hpp>
 #include <Nazara/Renderer/Enums.hpp>
 #include <string>
 
@@ -16,18 +17,27 @@ namespace Nz
 	struct RenderDeviceFeatures
 	{
 		bool anisotropicFiltering = false;
+		bool computeShaders = false;
 		bool depthClamping = false;
 		bool nonSolidFaceFilling = false;
 		bool storageBuffers = false;
+		bool textureRead = false;
+		bool textureReadWithoutFormat = false;
+		bool textureWrite = false;
+		bool textureWriteWithoutFormat = false;
 		bool unrestrictedTextureViews = false;
 	};
 
 	struct RenderDeviceLimits
 	{
-		UInt64 minStorageBufferOffsetAlignment;
-		UInt64 minUniformBufferOffsetAlignment;
+		UInt64 maxComputeSharedMemorySize;
+		UInt32 maxComputeWorkGroupInvocations;
+		Vector3ui32 maxComputeWorkGroupCount;
+		Vector3ui32 maxComputeWorkGroupSize;
 		UInt64 maxStorageBufferSize;
 		UInt64 maxUniformBufferSize;
+		UInt64 minStorageBufferOffsetAlignment;
+		UInt64 minUniformBufferOffsetAlignment;
 	};
 
 	struct RenderDeviceInfo

include/Nazara/Renderer/ShaderBinding.hpp

@@ -9,6 +9,7 @@
 
 #include <Nazara/Prerequisites.hpp>
 #include <Nazara/Renderer/Config.hpp>
+#include <Nazara/Renderer/Enums.hpp>
 #include <memory>
 #include <string_view>
 #include <variant>
@@ -43,6 +44,18 @@ namespace Nz
 			ShaderBinding& operator=(const ShaderBinding&) = delete;
 			ShaderBinding& operator=(ShaderBinding&&) = delete;
 
+			struct SampledTextureBinding
+			{
+				const Texture* texture;
+				const TextureSampler* sampler;
+			};
+
+			struct SampledTextureBindings
+			{
+				UInt32 arraySize;
+				const SampledTextureBinding* textureBindings;
+			};
+
 			struct StorageBufferBinding
 			{
 				RenderBuffer* buffer;
@@ -53,13 +66,7 @@ namespace Nz
 			struct TextureBinding
 			{
 				const Texture* texture;
-				const TextureSampler* sampler;
-			};
-
-			struct TextureBindings
-			{
-				UInt32 arraySize;
-				const TextureBinding* textureBindings;
+				TextureAccess access;
 			};
 
 			struct UniformBufferBinding
@@ -72,7 +79,7 @@ namespace Nz
 			struct Binding
 			{
 				UInt32 bindingIndex;
-				std::variant<StorageBufferBinding, TextureBinding, TextureBindings, UniformBufferBinding> content;
+				std::variant<SampledTextureBinding, SampledTextureBindings, StorageBufferBinding, TextureBinding, UniformBufferBinding> content;
 			};
 
 		protected:

include/Nazara/Utility/ImageStream.hpp

@@ -23,7 +23,6 @@ namespace Nz
 		bool IsValid() const;
 	};
 
-	class Mutex;
 	class ImageStream;
 
 	using ImageStreamLoader = ResourceLoader<ImageStream, ImageStreamParams>;

include/Nazara/VulkanRenderer/Utils.inl

@@ -382,8 +382,9 @@ namespace Nz
 	{
 		switch (bindingType)
 		{
+			case ShaderBindingType::Sampler:       return VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
 			case ShaderBindingType::StorageBuffer: return VK_DESCRIPTOR_TYPE_STORAGE_BUFFER;
-			case ShaderBindingType::Texture:       return VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
+			case ShaderBindingType::Texture:       return VK_DESCRIPTOR_TYPE_STORAGE_IMAGE;
 			case ShaderBindingType::UniformBuffer: return VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER;
 		}
 
@@ -395,6 +396,7 @@ namespace Nz
 	{
 		switch (stageType)
 		{
+			case nzsl::ShaderStageType::Compute:  return VK_SHADER_STAGE_COMPUTE_BIT;
 			case nzsl::ShaderStageType::Fragment: return VK_SHADER_STAGE_FRAGMENT_BIT;
 			case nzsl::ShaderStageType::Vertex:   return VK_SHADER_STAGE_VERTEX_BIT;
 		}
@@ -459,6 +461,7 @@ namespace Nz
 			case TextureUsage::ColorAttachment:        return VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
 			case TextureUsage::DepthStencilAttachment: return VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT;
 			case TextureUsage::InputAttachment:        return VK_IMAGE_USAGE_INPUT_ATTACHMENT_BIT;
+			case TextureUsage::ShaderReadWrite:        return VK_IMAGE_USAGE_STORAGE_BIT;
 			case TextureUsage::ShaderSampling:         return VK_IMAGE_USAGE_SAMPLED_BIT;
 			case TextureUsage::TransferSource:         return VK_IMAGE_USAGE_TRANSFER_SRC_BIT;
 			case TextureUsage::TransferDestination:    return VK_IMAGE_USAGE_TRANSFER_DST_BIT;

include/Nazara/VulkanRenderer/VulkanCommandBufferBuilder.hpp

@@ -27,8 +27,9 @@ namespace Nz
 			void BeginDebugRegion(const std::string_view& regionName, const Color& color) override;
 			void BeginRenderPass(const Framebuffer& framebuffer, const RenderPass& renderPass, const Recti& renderRect, const ClearValues* clearValues, std::size_t clearValueCount) override;
 
+			void BindComputePipeline(const ComputePipeline& pipeline) override;
 			void BindIndexBuffer(const RenderBuffer& indexBuffer, IndexType indexType, UInt64 offset = 0) override;
-			void BindPipeline(const RenderPipeline& pipeline) override;
+			void BindRenderPipeline(const RenderPipeline& pipeline) override;
 			void BindShaderBinding(UInt32 set, const ShaderBinding& binding) override;
 			void BindShaderBinding(const RenderPipelineLayout& pipelineLayout, UInt32 set, const ShaderBinding& binding) override;
 			void BindVertexBuffer(UInt32 binding, const RenderBuffer& vertexBuffer, UInt64 offset = 0) override;
@@ -39,6 +40,8 @@ namespace Nz
 			void CopyBuffer(const UploadPool::Allocation& allocation, const RenderBufferView& target, UInt64 size, UInt64 sourceOffset = 0, UInt64 targetOffset = 0) override;
 			void CopyTexture(const Texture& fromTexture, const Boxui& fromBox, TextureLayout fromLayout, const Texture& toTexture, const Vector3ui& toPos, TextureLayout toLayout) override;
 
+			void Dispatch(UInt32 workgroupX, UInt32 workgroupY, UInt32 workgroupZ) override;
+
 			void Draw(UInt32 vertexCount, UInt32 instanceCount = 1, UInt32 firstVertex = 0, UInt32 firstInstance = 0) override;
 			void DrawIndexed(UInt32 indexCount, UInt32 instanceCount = 1, UInt32 firstIndex = 0, UInt32 firstInstance = 0) override;
 

include/Nazara/VulkanRenderer/VulkanComputePipeline.hpp

@@ -0,0 +1,45 @@
+// Copyright (C) 2022 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
+// This file is part of the "Nazara Engine - Vulkan renderer"
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#pragma once
+
+#ifndef NAZARA_VULKANRENDERER_VULKANCOMPUTEPIPELINE_HPP
+#define NAZARA_VULKANRENDERER_VULKANCOMPUTEPIPELINE_HPP
+
+#include <Nazara/Prerequisites.hpp>
+#include <Nazara/Core/Algorithm.hpp>
+#include <Nazara/Renderer/ComputePipeline.hpp>
+#include <Nazara/VulkanRenderer/Config.hpp>
+#include <Nazara/VulkanRenderer/Wrapper/Device.hpp>
+#include <Nazara/VulkanRenderer/Wrapper/Pipeline.hpp>
+
+namespace Nz
+{
+	class VulkanDevice;
+
+	class NAZARA_VULKANRENDERER_API VulkanComputePipeline : public ComputePipeline
+	{
+		public:
+			VulkanComputePipeline(VulkanDevice& device, ComputePipelineInfo pipelineInfo);
+			VulkanComputePipeline(const VulkanComputePipeline&) = delete;
+			VulkanComputePipeline(VulkanComputePipeline&&) = delete;
+			~VulkanComputePipeline() = default;
+
+			inline const Vk::Pipeline& GetPipeline() const;
+			inline const ComputePipelineInfo& GetPipelineInfo() const override;
+
+			void UpdateDebugName(std::string_view name) override;
+
+			VulkanComputePipeline& operator=(const VulkanComputePipeline&) = delete;
+			VulkanComputePipeline& operator=(VulkanComputePipeline&&) = delete;
+
+		private:
+			Vk::Pipeline m_pipeline;
+			ComputePipelineInfo m_pipelineInfo;
+	};
+}
+
+#include <Nazara/VulkanRenderer/VulkanComputePipeline.inl>
+
+#endif // NAZARA_VULKANRENDERER_VULKANCOMPUTEPIPELINE_HPP

include/Nazara/VulkanRenderer/VulkanComputePipeline.inl

@@ -0,0 +1,21 @@
+// Copyright (C) 2022 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
+// This file is part of the "Nazara Engine - Vulkan renderer"
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#include <Nazara/VulkanRenderer/VulkanComputePipeline.hpp>
+#include <Nazara/VulkanRenderer/Debug.hpp>
+
+namespace Nz
+{
+	inline const Vk::Pipeline& VulkanComputePipeline::GetPipeline() const
+	{
+		return m_pipeline;
+	}
+
+	inline const ComputePipelineInfo& VulkanComputePipeline::GetPipelineInfo() const
+	{
+		return m_pipelineInfo;
+	}
+}
+
+#include <Nazara/VulkanRenderer/DebugOff.hpp>

include/Nazara/VulkanRenderer/VulkanDevice.hpp

@@ -28,6 +28,7 @@ namespace Nz
 
 			std::shared_ptr<RenderBuffer> InstantiateBuffer(BufferType type, UInt64 size, BufferUsageFlags usageFlags, const void* initialData = nullptr) override;
 			std::shared_ptr<CommandPool> InstantiateCommandPool(QueueType queueType) override;
+			std::shared_ptr<ComputePipeline> InstantiateComputePipeline(ComputePipelineInfo pipelineInfo) override;
 			std::shared_ptr<Framebuffer> InstantiateFramebuffer(unsigned int width, unsigned int height, const std::shared_ptr<RenderPass>& renderPass, const std::vector<std::shared_ptr<Texture>>& attachments) override;
 			std::shared_ptr<RenderPass> InstantiateRenderPass(std::vector<RenderPass::Attachment> attachments, std::vector<RenderPass::SubpassDescription> subpassDescriptions, std::vector<RenderPass::SubpassDependency> subpassDependencies) override;
 			std::shared_ptr<RenderPipeline> InstantiateRenderPipeline(RenderPipelineInfo pipelineInfo) override;

include/Nazara/VulkanRenderer/Wrapper/CommandBuffer.hpp

@@ -67,6 +67,8 @@ namespace Nz
 				inline void CopyImage(VkImage srcImage, VkImageLayout srcImageLayout, VkImage dstImage, VkImageLayout dstImageLayout, const VkImageCopy& region);
 				inline void CopyImage(VkImage srcImage, VkImageLayout srcImageLayout, VkImage dstImage, VkImageLayout dstImageLayout, UInt32 regionCount, const VkImageCopy* regions);
 
+				inline void Dispatch(UInt32 groupCountX, UInt32 groupCountY, UInt32 groupCountZ);
+
 				inline void Draw(UInt32 vertexCount, UInt32 instanceCount = 1, UInt32 firstVertex = 0, UInt32 firstInstance = 0);
 				inline void DrawIndexed(UInt32 indexCount, UInt32 instanceCount = 1, UInt32 firstVertex = 0, Int32 vertexOffset = 0, UInt32 firstInstance = 0);
 

include/Nazara/VulkanRenderer/Wrapper/CommandBuffer.inl

@@ -302,6 +302,11 @@ namespace Nz
 			return m_pool->GetDevice()->vkCmdCopyImage(m_handle, srcImage, srcImageLayout, dstImage, dstImageLayout, regionCount, regions);
 		}
 
+		inline void CommandBuffer::Dispatch(UInt32 groupCountX, UInt32 groupCountY, UInt32 groupCountZ)
+		{
+			return m_pool->GetDevice()->vkCmdDispatch(m_handle, groupCountX, groupCountY, groupCountZ);
+		}
+
 		inline void CommandBuffer::Draw(UInt32 vertexCount, UInt32 instanceCount, UInt32 firstVertex, UInt32 firstInstance)
 		{
 			return m_pool->GetDevice()->vkCmdDraw(m_handle, vertexCount, instanceCount, firstVertex, firstInstance);

src/Nazara/Graphics/ForwardFramePipeline.cpp

@@ -402,7 +402,7 @@ namespace Nz
 				viewerData.blitShaderBinding->Update({
 					{
 						0,
-						ShaderBinding::TextureBinding {
+						ShaderBinding::SampledTextureBinding {
 							m_bakedFrameGraph.GetAttachmentTexture(viewerData.debugColorAttachment).get(),
 							sampler.get()
 						}
@@ -419,7 +419,7 @@ namespace Nz
 				renderTargetData.blitShaderBinding->Update({
 					{
 						0,
-						ShaderBinding::TextureBinding {
+						ShaderBinding::SampledTextureBinding {
 							m_bakedFrameGraph.GetAttachmentTexture(renderTargetData.finalAttachment).get(),
 							sampler.get()
 						}
@@ -456,7 +456,7 @@ namespace Nz
 					{
 						builder.SetScissor(renderRegion);
 						builder.SetViewport(renderRegion);
-						builder.BindPipeline(*graphics->GetBlitPipeline(false));
+						builder.BindRenderPipeline(*graphics->GetBlitPipeline(false));
 
 						builder.BindShaderBinding(0, *data.blitShaderBinding);
 						builder.Draw(3);
@@ -644,7 +644,7 @@ namespace Nz
 				builder.SetViewport(env.renderRect);
 
 				Graphics* graphics = Graphics::Instance();
-				builder.BindPipeline(*graphics->GetBlitPipeline(false));
+				builder.BindRenderPipeline(*graphics->GetBlitPipeline(false));
 
 				bool first = true;
 
@@ -657,7 +657,7 @@ namespace Nz
 
 					if (first)
 					{
-						builder.BindPipeline(*graphics->GetBlitPipeline(true));
+						builder.BindRenderPipeline(*graphics->GetBlitPipeline(true));
 						first = false;
 					}
 				}

src/Nazara/Graphics/Graphics.cpp

@@ -108,9 +108,14 @@ namespace Nz
 
 		RenderDeviceFeatures enabledFeatures;
 		enabledFeatures.anisotropicFiltering = !config.forceDisableFeatures.anisotropicFiltering && renderDeviceInfo[bestRenderDeviceIndex].features.anisotropicFiltering;
+		enabledFeatures.computeShaders = !config.forceDisableFeatures.computeShaders && renderDeviceInfo[bestRenderDeviceIndex].features.computeShaders;
 		enabledFeatures.depthClamping = !config.forceDisableFeatures.depthClamping && renderDeviceInfo[bestRenderDeviceIndex].features.depthClamping;
 		enabledFeatures.nonSolidFaceFilling = !config.forceDisableFeatures.nonSolidFaceFilling && renderDeviceInfo[bestRenderDeviceIndex].features.nonSolidFaceFilling;
 		enabledFeatures.storageBuffers = !config.forceDisableFeatures.storageBuffers && renderDeviceInfo[bestRenderDeviceIndex].features.storageBuffers;
+		enabledFeatures.textureRead = !config.forceDisableFeatures.textureRead && renderDeviceInfo[bestRenderDeviceIndex].features.textureRead;
+		enabledFeatures.textureReadWithoutFormat = !config.forceDisableFeatures.textureReadWithoutFormat && renderDeviceInfo[bestRenderDeviceIndex].features.textureReadWithoutFormat;
+		enabledFeatures.textureWrite = !config.forceDisableFeatures.textureWrite && renderDeviceInfo[bestRenderDeviceIndex].features.textureWrite;
+		enabledFeatures.textureWriteWithoutFormat = !config.forceDisableFeatures.textureWriteWithoutFormat && renderDeviceInfo[bestRenderDeviceIndex].features.textureWriteWithoutFormat;
 		enabledFeatures.unrestrictedTextureViews = !config.forceDisableFeatures.unrestrictedTextureViews && renderDeviceInfo[bestRenderDeviceIndex].features.unrestrictedTextureViews;
 
 		m_renderDevice = renderer->InstanciateRenderDevice(bestRenderDeviceIndex, enabledFeatures);
@@ -176,7 +181,7 @@ namespace Nz
 		layoutInfo.bindings.assign({
 			{
 				0, 0, 1,
-				ShaderBindingType::Texture,
+				ShaderBindingType::Sampler,
 				nzsl::ShaderStageType::Fragment
 			}
 		});

src/Nazara/Graphics/MaterialInstance.cpp

@@ -150,7 +150,7 @@ namespace Nz
 
 			bindings.push_back({
 				textureSlot.bindingIndex,
-				ShaderBinding::TextureBinding {
+				ShaderBinding::SampledTextureBinding {
 					texture.get(), sampler.get()
 				}
 			});

src/Nazara/Graphics/ShaderReflection.cpp

@@ -56,6 +56,8 @@ namespace Nz
 			if (IsStorageType(*varType))
 				bindingType = ShaderBindingType::StorageBuffer;
 			else if (IsSamplerType(*varType))
+				bindingType = ShaderBindingType::Sampler;
+			else if (IsTextureType(*varType))
 				bindingType = ShaderBindingType::Texture;
 			else if (IsUniformType(*varType))
 				bindingType = ShaderBindingType::UniformBuffer;
@@ -67,7 +69,7 @@ namespace Nz
 					throw std::runtime_error("unexpected type " + ToString(innerType) + " in array " + ToString(arrayType));
 
 				arraySize = arrayType.length;
-				bindingType = ShaderBindingType::Texture;
+				bindingType = ShaderBindingType::Sampler;
 				varType = &innerType;
 			}
 			else
@@ -86,6 +88,21 @@ namespace Nz
 			{
 				switch (bindingType)
 				{
+					case ShaderBindingType::Sampler:
+					{
+						if (externalBlock->samplers.find(externalVar.tag) != externalBlock->samplers.end())
+							throw std::runtime_error("duplicate sampler tag " + externalVar.tag + " in external block " + node.tag);
+
+						const auto& samplerType = std::get<nzsl::Ast::SamplerType>(*varType);
+
+						ExternalSampler& texture = externalBlock->samplers[externalVar.tag];
+						texture.bindingIndex = bindingIndex;
+						texture.bindingSet   = bindingSet;
+						texture.imageType    = samplerType.dim;
+						texture.sampledType  = samplerType.sampledType;
+						break;
+					}
+
 					case ShaderBindingType::StorageBuffer:
 					{
 						if (externalBlock->storageBlocks.find(externalVar.tag) != externalBlock->storageBlocks.end())
@@ -100,16 +117,18 @@ namespace Nz
 
 					case ShaderBindingType::Texture:
 					{
-						if (externalBlock->samplers.find(externalVar.tag) != externalBlock->samplers.end())
+						if (externalBlock->textures.find(externalVar.tag) != externalBlock->textures.end())
 							throw std::runtime_error("duplicate textures tag " + externalVar.tag + " in external block " + node.tag);
 
-						const auto& samplerType = std::get<nzsl::Ast::SamplerType>(*varType);
+						const auto& textureType = std::get<nzsl::Ast::TextureType>(*varType);
 
-						ExternalTexture& texture = externalBlock->samplers[externalVar.tag];
+						ExternalTexture& texture = externalBlock->textures[externalVar.tag];
 						texture.bindingIndex = bindingIndex;
 						texture.bindingSet = bindingSet;
-						texture.imageType    = samplerType.dim;
-						texture.sampledType  = samplerType.sampledType;
+						texture.accessPolicy = textureType.accessPolicy;
+						texture.baseType = textureType.baseType;
+						texture.imageFormat = textureType.format;
+						texture.imageType = textureType.dim;
 						break;
 					}
 

src/Nazara/Graphics/SpriteChainRenderer.cpp

@@ -199,7 +199,7 @@ namespace Nz
 					{
 						auto& bindingEntry = m_bindingCache.emplace_back();
 						bindingEntry.bindingIndex = bindingIndex;
-						bindingEntry.content = ShaderBinding::TextureBinding{
+						bindingEntry.content = ShaderBinding::SampledTextureBinding{
 							m_pendingData.currentTextureOverlay, defaultSampler.get()
 						};
 					}
@@ -310,7 +310,7 @@ namespace Nz
 
 			if (currentPipeline != drawData.renderPipeline)
 			{
-				commandBuffer.BindPipeline(*drawData.renderPipeline);
+				commandBuffer.BindRenderPipeline(*drawData.renderPipeline);
 				currentPipeline = drawData.renderPipeline;
 			}
 

src/Nazara/Graphics/SubmeshRenderer.cpp

@@ -175,7 +175,7 @@ namespace Nz
 
 					auto& bindingEntry = m_bindingCache.emplace_back();
 					bindingEntry.bindingIndex = bindingIndex;
-					bindingEntry.content = ShaderBinding::TextureBindings {
+					bindingEntry.content = ShaderBinding::SampledTextureBindings {
 						SafeCast<UInt32>(renderState.shadowMaps2D.size()), &m_textureBindingCache[textureBindingBaseIndex]
 					};
 				}
@@ -197,7 +197,7 @@ namespace Nz
 
 					auto& bindingEntry = m_bindingCache.emplace_back();
 					bindingEntry.bindingIndex = bindingIndex;
-					bindingEntry.content = ShaderBinding::TextureBindings {
+					bindingEntry.content = ShaderBinding::SampledTextureBindings {
 						SafeCast<UInt32>(renderState.shadowMapsCube.size()), &m_textureBindingCache[textureBindingBaseIndex]
 					};
 				}
@@ -230,7 +230,7 @@ namespace Nz
 				{
 					auto& bindingEntry = m_bindingCache.emplace_back();
 					bindingEntry.bindingIndex = bindingIndex;
-					bindingEntry.content = ShaderBinding::TextureBinding{
+					bindingEntry.content = ShaderBinding::SampledTextureBinding{
 						whiteTexture2D.get(), defaultSampler.get()
 					};
 				}
@@ -285,7 +285,7 @@ namespace Nz
 
 			if (currentPipeline != drawData.renderPipeline)
 			{
-				commandBuffer.BindPipeline(*drawData.renderPipeline);
+				commandBuffer.BindRenderPipeline(*drawData.renderPipeline);
 				currentPipeline = drawData.renderPipeline;
 			}
 

src/Nazara/OpenGLRenderer/OpenGLCommandBuffer.cpp

@@ -4,6 +4,7 @@
 
 #include <Nazara/OpenGLRenderer/OpenGLCommandBuffer.hpp>
 #include <Nazara/OpenGLRenderer/OpenGLCommandPool.hpp>
+#include <Nazara/OpenGLRenderer/OpenGLComputePipeline.hpp>
 #include <Nazara/OpenGLRenderer/OpenGLFboFramebuffer.hpp>
 #include <Nazara/OpenGLRenderer/OpenGLRenderPass.hpp>
 #include <Nazara/OpenGLRenderer/OpenGLRenderPipelineLayout.hpp>
@@ -93,6 +94,14 @@ namespace Nz
 				{
 					context->CopyTexture(*command.source, *command.target, command.sourceBox, command.targetPoint);
 				}
+				else if constexpr (std::is_same_v<T, DispatchData>)
+				{
+					if (!context->glDispatchCompute)
+						throw std::runtime_error("compute shaders are not supported on this device");
+
+					command.states.pipeline->Apply(*context);
+					context->glDispatchCompute(command.numGroupsX, command.numGroupsY, command.numGroupsZ);
+				}
 				else if constexpr (std::is_same_v<T, DrawData>)
 				{
 					ApplyStates(*context, command.states);

src/Nazara/OpenGLRenderer/OpenGLCommandBufferBuilder.cpp

@@ -4,6 +4,7 @@
 
 #include <Nazara/OpenGLRenderer/OpenGLCommandBufferBuilder.hpp>
 #include <Nazara/OpenGLRenderer/OpenGLCommandBuffer.hpp>
+#include <Nazara/OpenGLRenderer/OpenGLComputePipeline.hpp>
 #include <Nazara/OpenGLRenderer/OpenGLRenderPass.hpp>
 #include <Nazara/OpenGLRenderer/OpenGLRenderPipeline.hpp>
 #include <Nazara/OpenGLRenderer/OpenGLRenderPipelineLayout.hpp>
@@ -26,6 +27,13 @@ namespace Nz
 		m_commandBuffer.SetFramebuffer(static_cast<const OpenGLFramebuffer&>(framebuffer), static_cast<const OpenGLRenderPass&>(renderPass), clearValues, clearValueCount);
 	}
 
+	void OpenGLCommandBufferBuilder::BindComputePipeline(const ComputePipeline& pipeline)
+	{
+		const OpenGLComputePipeline& glPipeline = static_cast<const OpenGLComputePipeline&>(pipeline);
+
+		m_commandBuffer.BindComputePipeline(&glPipeline);
+	}
+
 	void OpenGLCommandBufferBuilder::BindIndexBuffer(const RenderBuffer& indexBuffer, IndexType indexType, UInt64 offset)
 	{
 		const OpenGLBuffer& glBuffer = static_cast<const OpenGLBuffer&>(indexBuffer);
@@ -33,11 +41,11 @@ namespace Nz
 		m_commandBuffer.BindIndexBuffer(glBuffer.GetBuffer().GetObjectId(), indexType, offset);
 	}
 
-	void OpenGLCommandBufferBuilder::BindPipeline(const RenderPipeline& pipeline)
+	void OpenGLCommandBufferBuilder::BindRenderPipeline(const RenderPipeline& pipeline)
 	{
 		const OpenGLRenderPipeline& glPipeline = static_cast<const OpenGLRenderPipeline&>(pipeline);
 
-		m_commandBuffer.BindPipeline(&glPipeline);
+		m_commandBuffer.BindRenderPipeline(&glPipeline);
 	}
 
 	void OpenGLCommandBufferBuilder::BindShaderBinding(UInt32 set, const ShaderBinding& binding)
@@ -93,6 +101,11 @@ namespace Nz
 		m_commandBuffer.CopyTexture(sourceTexture, fromBox, targetTexture, toPos);
 	}
 
+	void OpenGLCommandBufferBuilder::Dispatch(UInt32 workgroupX, UInt32 workgroupY, UInt32 workgroupZ)
+	{
+		m_commandBuffer.Dispatch(workgroupX, workgroupY, workgroupZ);
+	}
+
 	void OpenGLCommandBufferBuilder::Draw(UInt32 vertexCount, UInt32 instanceCount, UInt32 firstVertex, UInt32 firstInstance)
 	{
 		m_commandBuffer.Draw(vertexCount, instanceCount, firstVertex, firstInstance);

src/Nazara/OpenGLRenderer/OpenGLComputePipeline.cpp

@@ -0,0 +1,75 @@
+// Copyright (C) 2022 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
+// This file is part of the "Nazara Engine - OpenGL renderer"
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#include <Nazara/OpenGLRenderer/OpenGLComputePipeline.hpp>
+#include <Nazara/Core/ErrorFlags.hpp>
+#include <Nazara/OpenGLRenderer/OpenGLRenderPipelineLayout.hpp>
+#include <Nazara/OpenGLRenderer/OpenGLShaderModule.hpp>
+#include <Nazara/OpenGLRenderer/Utils.hpp>
+#include <NZSL/GlslWriter.hpp>
+#include <NZSL/ShaderBuilder.hpp>
+#include <NZSL/Ast/Module.hpp>
+#include <cassert>
+#include <stdexcept>
+#include <Nazara/OpenGLRenderer/Debug.hpp>
+
+namespace Nz
+{
+	OpenGLComputePipeline::OpenGLComputePipeline(OpenGLDevice& device, ComputePipelineInfo pipelineInfo) :
+	m_pipelineInfo(std::move(pipelineInfo))
+	{
+		if (device.GetEnabledFeatures().computeShaders)
+			throw std::runtime_error("compute shaders are not enabled on the device");
+
+		OpenGLRenderPipelineLayout& pipelineLayout = static_cast<OpenGLRenderPipelineLayout&>(*m_pipelineInfo.pipelineLayout);
+
+		if (!m_program.Create(device))
+			throw std::runtime_error("failed to create program");
+
+		NazaraAssert(pipelineInfo.shaderModule, "invalid shader module");
+
+		OpenGLShaderModule& shaderModule = static_cast<OpenGLShaderModule&>(*pipelineInfo.shaderModule);
+
+		std::vector<OpenGLShaderModule::ExplicitBinding> explicitBindings;
+		nzsl::ShaderStageTypeFlags stageFlags = shaderModule.Attach(m_program, pipelineLayout.GetBindingMapping(), &explicitBindings);
+		if (!stageFlags.Test(nzsl::ShaderStageType::Compute))
+			throw std::runtime_error("shader module has no compute stage");
+
+		m_program.Link();
+
+		std::string errLog;
+		if (!m_program.GetLinkStatus(&errLog))
+			throw std::runtime_error("failed to link program: " + errLog);
+
+		for (const auto& explicitBinding : explicitBindings)
+		{
+			if (explicitBinding.isBlock)
+			{
+				GLuint blockIndex = m_program.GetUniformBlockIndex(explicitBinding.name);
+				if (blockIndex == GL_INVALID_INDEX)
+					continue;
+
+				m_program.UniformBlockBinding(blockIndex, explicitBinding.binding);
+			}
+			else
+			{
+				int location = m_program.GetUniformLocation(explicitBinding.name);
+				if (location == -1)
+					continue;
+
+				m_program.Uniform(location, SafeCast<int>(explicitBinding.binding));
+			}
+		}
+	}
+
+	void OpenGLComputePipeline::Apply(const GL::Context& context) const
+	{
+		context.BindProgram(m_program.GetObjectId());
+	}
+
+	void OpenGLComputePipeline::UpdateDebugName(std::string_view name)
+	{
+		m_program.SetDebugName(name);
+	}
+}

src/Nazara/OpenGLRenderer/OpenGLDevice.cpp

@@ -5,6 +5,7 @@
 #include <Nazara/OpenGLRenderer/OpenGLDevice.hpp>
 #include <Nazara/OpenGLRenderer/OpenGLBuffer.hpp>
 #include <Nazara/OpenGLRenderer/OpenGLCommandPool.hpp>
+#include <Nazara/OpenGLRenderer/OpenGLComputePipeline.hpp>
 #include <Nazara/OpenGLRenderer/OpenGLFboFramebuffer.hpp>
 #include <Nazara/OpenGLRenderer/OpenGLRenderPass.hpp>
 #include <Nazara/OpenGLRenderer/OpenGLRenderPipeline.hpp>
@@ -62,47 +63,58 @@ namespace Nz
 		if (m_referenceContext->IsExtensionSupported(GL::Extension::TextureFilterAnisotropic))
 			m_deviceInfo.features.anisotropicFiltering = true;
 
+		if (m_referenceContext->IsExtensionSupported(GL::Extension::ComputeShader))
+			m_deviceInfo.features.computeShaders = true;
+
 		if (m_referenceContext->IsExtensionSupported(GL::Extension::DepthClamp))
 			m_deviceInfo.features.depthClamping = true;
 
+		if (m_referenceContext->glPolygonMode) //< not supported in core OpenGL ES, but supported in OpenGL or with GL_NV_polygon_mode extension
+			m_deviceInfo.features.nonSolidFaceFilling = true;
+
 		if (m_referenceContext->IsExtensionSupported(GL::Extension::StorageBuffers))
 			m_deviceInfo.features.storageBuffers = true;
 
-		if (m_referenceContext->glPolygonMode) //< not supported in core OpenGL ES, but supported in OpenGL or with GL_NV_polygon_mode extension
-			m_deviceInfo.features.nonSolidFaceFilling = true;
+		if (m_referenceContext->IsExtensionSupported(GL::Extension::ShaderImageLoadStore))
+		{
+			m_deviceInfo.features.textureRead = true;
+			m_deviceInfo.features.textureWrite = true;
+			m_deviceInfo.features.textureWriteWithoutFormat = true;
+		}
+
+		if (m_referenceContext->IsExtensionSupported(GL::Extension::ShaderImageLoadFormatted))
+			m_deviceInfo.features.textureReadWithoutFormat = true;
 
 		if (m_referenceContext->IsExtensionSupported(GL::Extension::TextureView))
 			m_deviceInfo.features.unrestrictedTextureViews = true;
 
 		// Limits
-		GLint minUboOffsetAlignment;
-		m_referenceContext->glGetIntegerv(GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT, &minUboOffsetAlignment);
-
-		assert(minUboOffsetAlignment >= 1);
-		m_deviceInfo.limits.minUniformBufferOffsetAlignment = static_cast<UInt64>(minUboOffsetAlignment);
-
-		GLint maxUboBlockSize;
-		m_referenceContext->glGetIntegerv(GL_MAX_UNIFORM_BLOCK_SIZE, &maxUboBlockSize);
-
-		assert(maxUboBlockSize >= 1);
-		m_deviceInfo.limits.maxUniformBufferSize = static_cast<UInt64>(maxUboBlockSize);
+		m_deviceInfo.limits.maxUniformBufferSize = m_referenceContext->GetInteger<UInt64>(GL_MAX_UNIFORM_BLOCK_SIZE);
+		m_deviceInfo.limits.minUniformBufferOffsetAlignment = m_referenceContext->GetInteger<UInt64>(GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT);
 
 		if (m_deviceInfo.features.storageBuffers)
 		{
-			GLint minStorageOffsetAlignment;
-			m_referenceContext->glGetIntegerv(GL_SHADER_STORAGE_BUFFER_OFFSET_ALIGNMENT, &minStorageOffsetAlignment);
-
-			assert(minStorageOffsetAlignment >= 1);
-			m_deviceInfo.limits.minStorageBufferOffsetAlignment = static_cast<UInt64>(minStorageOffsetAlignment);
-
-			GLint maxStorageBlockSize;
-			m_referenceContext->glGetIntegerv(GL_MAX_SHADER_STORAGE_BLOCK_SIZE, &maxStorageBlockSize);
-
-			assert(maxStorageBlockSize >= 1);
-			m_deviceInfo.limits.maxStorageBufferSize = static_cast<UInt64>(maxStorageBlockSize);
+			m_deviceInfo.limits.maxStorageBufferSize = m_referenceContext->GetInteger<UInt64>(GL_MAX_SHADER_STORAGE_BLOCK_SIZE);
+			m_deviceInfo.limits.minStorageBufferOffsetAlignment = m_referenceContext->GetInteger<UInt64>(GL_SHADER_STORAGE_BUFFER_OFFSET_ALIGNMENT);
+		}
+
+		if (m_deviceInfo.features.computeShaders)
+		{
+			m_deviceInfo.limits.maxComputeSharedMemorySize = m_referenceContext->GetInteger<UInt64>(GL_MAX_COMPUTE_SHARED_MEMORY_SIZE);
+			m_deviceInfo.limits.maxComputeWorkGroupInvocations = m_referenceContext->GetInteger<UInt32>(GL_MAX_COMPUTE_WORK_GROUP_INVOCATIONS);
+
+			m_deviceInfo.limits.maxComputeWorkGroupCount = {
+				m_referenceContext->GetInteger<UInt32>(GL_MAX_COMPUTE_WORK_GROUP_COUNT, 0),
+				m_referenceContext->GetInteger<UInt32>(GL_MAX_COMPUTE_WORK_GROUP_COUNT, 1),
+				m_referenceContext->GetInteger<UInt32>(GL_MAX_COMPUTE_WORK_GROUP_COUNT, 2)
+			};
+
+			m_deviceInfo.limits.maxComputeWorkGroupSize = {
+				m_referenceContext->GetInteger<UInt32>(GL_MAX_COMPUTE_WORK_GROUP_SIZE, 0),
+				m_referenceContext->GetInteger<UInt32>(GL_MAX_COMPUTE_WORK_GROUP_SIZE, 1),
+				m_referenceContext->GetInteger<UInt32>(GL_MAX_COMPUTE_WORK_GROUP_SIZE, 2)
+			};
 		}
-		else
-			m_deviceInfo.limits.maxStorageBufferSize = 0;
 
 		m_contexts.insert(m_referenceContext.get());
 	}
@@ -154,6 +166,11 @@ namespace Nz
 		return std::make_shared<OpenGLCommandPool>();
 	}
 
+	std::shared_ptr<ComputePipeline> OpenGLDevice::InstantiateComputePipeline(ComputePipelineInfo pipelineInfo)
+	{
+		return std::make_shared<OpenGLComputePipeline>(*this, std::move(pipelineInfo));
+	}
+
 	std::shared_ptr<Framebuffer> OpenGLDevice::InstantiateFramebuffer(unsigned int /*width*/, unsigned int /*height*/, const std::shared_ptr<RenderPass>& /*renderPass*/, const std::vector<std::shared_ptr<Texture>>& attachments)
 	{
 		return std::make_shared<OpenGLFboFramebuffer>(*this, attachments);
@@ -246,7 +263,7 @@ namespace Nz
 			case PixelFormat::RGBA32F:
 			case PixelFormat::RGBA32I:
 			case PixelFormat::RGBA32UI:
-				return usage == TextureUsage::ColorAttachment || usage == TextureUsage::InputAttachment || usage == TextureUsage::ShaderSampling || usage == TextureUsage::TransferDestination || usage == TextureUsage::TransferSource;
+				return usage == TextureUsage::ColorAttachment || usage == TextureUsage::InputAttachment || usage == TextureUsage::ShaderSampling || usage == TextureUsage::ShaderReadWrite || usage == TextureUsage::TransferDestination || usage == TextureUsage::TransferSource;
 
 			case PixelFormat::DXT1:
 			case PixelFormat::DXT3:

src/Nazara/OpenGLRenderer/OpenGLRenderPipeline.cpp

@@ -88,7 +88,7 @@ namespace Nz
 				if (location == -1)
 					continue;
 
-				m_program.Uniform(location, static_cast<int>(explicitBinding.binding)); //< FIXME: Use SafeCast
+				m_program.Uniform(location, SafeCast<int>(explicitBinding.binding));
 			}
 		}
 	}

src/Nazara/OpenGLRenderer/OpenGLRenderPipelineLayout.cpp

@@ -96,6 +96,16 @@ namespace Nz
 		return ShaderBindingPtr(PlacementNew(freeBindingMemory, *this, poolIndex, freeBindingId));
 	}
 
+	auto OpenGLRenderPipelineLayout::GetSampledTextureDescriptor(std::size_t poolIndex, std::size_t bindingIndex, std::size_t descriptorIndex) -> SampledTextureDescriptor&
+	{
+		assert(poolIndex < m_descriptorPools.size());
+		auto& pool = m_descriptorPools[poolIndex];
+		assert(!pool.freeBindings.Test(bindingIndex));
+		assert(descriptorIndex < m_maxDescriptorCount);
+
+		return pool.descriptors[bindingIndex * m_maxDescriptorCount + descriptorIndex].emplace<SampledTextureDescriptor>();
+	}
+
 	auto OpenGLRenderPipelineLayout::GetStorageBufferDescriptor(std::size_t poolIndex, std::size_t bindingIndex, std::size_t descriptorIndex) -> StorageBufferDescriptor&
 	{
 		assert(poolIndex < m_descriptorPools.size());

src/Nazara/OpenGLRenderer/OpenGLShaderBinding.cpp

@@ -45,7 +45,15 @@ namespace Nz
 
 			UInt32 bindingPoint = bindingMappingIt->second;
 
-			if constexpr (std::is_same_v<DescriptorType, OpenGLRenderPipelineLayout::StorageBufferDescriptor>)
+			if constexpr (std::is_same_v<DescriptorType, OpenGLRenderPipelineLayout::SampledTextureDescriptor>)
+			{
+				if (bindingInfo.type != ShaderBindingType::Sampler)
+					throw std::runtime_error("descriptor (set=" + std::to_string(setIndex) + ", binding=" + std::to_string(bindingIndex) + ") is not a sampler");
+
+				context.BindSampler(bindingPoint, descriptor.sampler);
+				context.BindTexture(bindingPoint, descriptor.textureTarget, descriptor.texture);
+			}
+			else if constexpr (std::is_same_v<DescriptorType, OpenGLRenderPipelineLayout::StorageBufferDescriptor>)
 			{
 				if (bindingInfo.type != ShaderBindingType::StorageBuffer)
 					throw std::runtime_error("descriptor (set=" + std::to_string(setIndex) + ", binding=" + std::to_string(bindingIndex) + ") is not a storage buffer");
@@ -57,8 +65,7 @@ namespace Nz
 				if (bindingInfo.type != ShaderBindingType::Texture)
 					throw std::runtime_error("descriptor (set=" + std::to_string(setIndex) + ", binding=" + std::to_string(bindingIndex) + ") is not a texture");
 
-				context.BindSampler(bindingPoint, descriptor.sampler);
-				context.BindTexture(bindingPoint, descriptor.textureTarget, descriptor.texture);
+				context.BindImageTexture(bindingPoint, descriptor.texture, descriptor.level, descriptor.layered, descriptor.layer, descriptor.access, descriptor.format);
 			}
 			else if constexpr (std::is_same_v<DescriptorType, OpenGLRenderPipelineLayout::UniformBufferDescriptor>)
 			{
@@ -82,7 +89,14 @@ namespace Nz
 			{
 				using T = std::decay_t<decltype(arg)>;
 				
-				if constexpr (std::is_same_v<T, StorageBufferBinding>)
+				if constexpr (std::is_same_v<T, SampledTextureBinding>)
+					HandleTextureBinding(binding.bindingIndex, arg);
+				else if constexpr (std::is_same_v<T, SampledTextureBindings>)
+				{
+					for (UInt32 i = 0; i < arg.arraySize; ++i)
+						HandleTextureBinding(binding.bindingIndex + i, arg.textureBindings[i]);
+				}
+				else if constexpr (std::is_same_v<T, StorageBufferBinding>)
 				{
 					auto& storageDescriptor = m_owner.GetStorageBufferDescriptor(m_poolIndex, m_bindingIndex, binding.bindingIndex);
 					storageDescriptor.offset = arg.offset;
@@ -99,11 +113,41 @@ namespace Nz
 						storageDescriptor.buffer = 0;
 				}
 				else if constexpr (std::is_same_v<T, TextureBinding>)
-					HandleTextureBinding(binding.bindingIndex, arg);
-				else if constexpr (std::is_same_v<T, TextureBindings>)
 				{
-					for (UInt32 i = 0; i < arg.arraySize; ++i)
-						HandleTextureBinding(binding.bindingIndex + i, arg.textureBindings[i]);
+					auto& textureDescriptor = m_owner.GetTextureDescriptor(m_poolIndex, m_bindingIndex, binding.bindingIndex);
+					if (const OpenGLTexture* glTexture = static_cast<const OpenGLTexture*>(arg.texture))
+					{
+						const TextureViewInfo& viewInfo = glTexture->GetTextureViewInfo();
+
+						std::optional<GLTextureFormat> format = DescribeTextureFormat(viewInfo.reinterpretFormat);
+						if (!format)
+							throw std::runtime_error("unexpected texture format");
+
+						textureDescriptor.access = ToOpenGL(arg.access);
+						textureDescriptor.format = format->internalFormat;
+						if (viewInfo.layerCount > 1)
+						{
+							textureDescriptor.layered = true;
+							textureDescriptor.layer = 0;
+						}
+						else
+						{
+							textureDescriptor.layered = false;
+							textureDescriptor.layer = viewInfo.baseArrayLayer;
+						}
+
+						textureDescriptor.level = viewInfo.baseMipLevel;
+						textureDescriptor.texture = glTexture->GetTexture().GetObjectId();
+					}
+					else
+					{
+						textureDescriptor.access = GL_READ_ONLY;
+						textureDescriptor.format = GL_RGBA8;
+						textureDescriptor.layer = 0;
+						textureDescriptor.layered = GL_FALSE;
+						textureDescriptor.level = 0;
+						textureDescriptor.texture = 0;
+					}
 				}
 				else if constexpr (std::is_same_v<T, UniformBufferBinding>)
 				{
@@ -133,9 +177,9 @@ namespace Nz
 		// No OpenGL object to name
 	}
 
-	void OpenGLShaderBinding::HandleTextureBinding(UInt32 bindingIndex, const TextureBinding& textureBinding)
+	void OpenGLShaderBinding::HandleTextureBinding(UInt32 bindingIndex, const SampledTextureBinding& textureBinding)
 	{
-		auto& textureDescriptor = m_owner.GetTextureDescriptor(m_poolIndex, m_bindingIndex, bindingIndex);
+		auto& textureDescriptor = m_owner.GetSampledTextureDescriptor(m_poolIndex, m_bindingIndex, bindingIndex);
 
 		if (const OpenGLTexture* glTexture = static_cast<const OpenGLTexture*>(textureBinding.texture))
 		{

src/Nazara/OpenGLRenderer/Wrapper/Context.cpp

@@ -172,6 +172,32 @@ namespace Nz::GL
 		}
 	}
 
+	void Context::BindImageTexture(GLuint imageUnit, GLuint texture, GLint level, GLboolean layered, GLint layer, GLenum access, GLenum format) const
+	{
+		if (imageUnit >= m_state.imageUnits.size())
+			throw std::runtime_error("unsupported image unit #" + std::to_string(imageUnit));
+
+		layer = (layered == GL_TRUE) ? layer : 0;
+
+		auto& unit = m_state.imageUnits[imageUnit];
+		if (unit.texture != texture || unit.level != level || unit.layered != layered || unit.layer != layer || unit.access != access || unit.format != format)
+		{
+			if (!SetCurrentContext(this))
+				throw std::runtime_error("failed to activate context");
+
+			if (!glBindImageTexture)
+				throw std::runtime_error("image binding is not supported");
+
+			glBindImageTexture(imageUnit, texture, level, layered, layer, access, format);
+			unit.access = access;
+			unit.format = format;
+			unit.layer = layer;
+			unit.layered = layered;
+			unit.level = level;
+			unit.texture = texture;
+		}
+	}
+
 	void Context::BindProgram(GLuint program) const
 	{
 		if (m_state.boundProgram != program)
@@ -413,21 +439,13 @@ namespace Nz::GL
 			return false;
 		}
 
-		GLint majorVersion = 0;
-		glGetIntegerv(GL_MAJOR_VERSION, &majorVersion);
+		m_params.glMajorVersion = GetInteger<unsigned int>(GL_MAJOR_VERSION);
+		m_params.glMinorVersion = GetInteger<unsigned int>(GL_MINOR_VERSION);
 
-		GLint minorVersion = 0;
-		glGetIntegerv(GL_MINOR_VERSION, &minorVersion);
-
-		m_params.glMajorVersion = majorVersion;
-		m_params.glMinorVersion = minorVersion;
-
-		unsigned int glVersion = majorVersion * 100 + minorVersion * 10;
+		unsigned int glVersion = m_params.glMajorVersion * 100 + m_params.glMinorVersion * 10;
 
 		// Load extensions
-		GLint extensionCount = 0;
-		glGetIntegerv(GL_NUM_EXTENSIONS, &extensionCount);
-
+		GLint extensionCount = GetInteger<GLint>(GL_NUM_EXTENSIONS);
 		for (GLint i = 0; i < extensionCount; ++i)
 			m_supportedExtensions.emplace(reinterpret_cast<const char*>(glGetStringi(GL_EXTENSIONS, i)));
 
@@ -441,6 +459,12 @@ namespace Nz::GL
 		else if (m_supportedExtensions.count("GL_EXT_clip_control"))
 			m_extensionStatus[UnderlyingCast(Extension::ClipControl)] = ExtensionStatus::EXT;
 
+		// Compute shaders
+		if ((m_params.type == ContextType::OpenGL && glVersion >= 430) || (m_params.type == ContextType::OpenGL_ES && glVersion >= 310))
+			m_extensionStatus[UnderlyingCast(Extension::ComputeShader)] = ExtensionStatus::Core;
+		else if (m_supportedExtensions.count("GL_ARB_compute_shader"))
+			m_extensionStatus[UnderlyingCast(Extension::ComputeShader)] = ExtensionStatus::ARB;
+
 		// Debug output
 		if ((m_params.type == ContextType::OpenGL && glVersion >= 430) || (m_params.type == ContextType::OpenGL_ES && glVersion >= 320))
 			m_extensionStatus[UnderlyingCast(Extension::DebugOutput)] = ExtensionStatus::Core;
@@ -465,6 +489,18 @@ namespace Nz::GL
 		else if (m_supportedExtensions.count("GL_NV_polygon_mode"))
 			m_extensionStatus[UnderlyingCast(Extension::DepthClamp)] = ExtensionStatus::Vendor;
 
+		// Shader image load formatted
+		if (m_supportedExtensions.count("GL_EXT_shader_image_load_formatted"))
+			m_extensionStatus[UnderlyingCast(Extension::ShaderImageLoadFormatted)] = ExtensionStatus::EXT;
+
+		// Shader image load/store
+		if ((m_params.type == ContextType::OpenGL && glVersion >= 420) || (m_params.type == ContextType::OpenGL_ES && glVersion >= 310))
+			m_extensionStatus[UnderlyingCast(Extension::ShaderImageLoadStore)] = ExtensionStatus::Core;
+		else if (m_supportedExtensions.count("GL_ARB_shader_image_load_store"))
+			m_extensionStatus[UnderlyingCast(Extension::ShaderImageLoadStore)] = ExtensionStatus::ARB;
+		else if (m_supportedExtensions.count("GL_EXT_shader_image_load_store"))
+			m_extensionStatus[UnderlyingCast(Extension::ShaderImageLoadStore)] = ExtensionStatus::EXT;
+
 		// SPIR-V support
 		if (m_params.type == ContextType::OpenGL && glVersion >= 460)
 			m_extensionStatus[UnderlyingCast(Extension::SpirV)] = ExtensionStatus::Core;
@@ -583,16 +619,14 @@ namespace Nz::GL
 		else
 			m_params.validationLevel = m_params.validationLevel;
 
-		GLint maxTextureUnits = -1;
-		glGetIntegerv(GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS, &maxTextureUnits);
+		unsigned int maxTextureUnits = GetInteger<unsigned int>(GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS);
 		if (maxTextureUnits < 32) //< OpenGL ES 3.0 requires at least 32 textures units
 			NazaraWarning("GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS is " + std::to_string(maxTextureUnits) + ", expected >= 32");
 
 		assert(maxTextureUnits > 0);
 		m_state.textureUnits.resize(maxTextureUnits);
 
-		GLint maxUniformBufferUnits = -1;
-		glGetIntegerv(GL_MAX_UNIFORM_BUFFER_BINDINGS, &maxUniformBufferUnits);
+		unsigned int maxUniformBufferUnits = GetInteger<unsigned int>(GL_MAX_UNIFORM_BUFFER_BINDINGS);
 		if (maxUniformBufferUnits < 24) //< OpenGL ES 3.0 requires at least 24 uniform buffers units
 			NazaraWarning("GL_MAX_UNIFORM_BUFFER_BINDINGS is " + std::to_string(maxUniformBufferUnits) + ", expected >= 24");
 
@@ -601,8 +635,7 @@ namespace Nz::GL
 
 		if (IsExtensionSupported(Extension::StorageBuffers))
 		{
-			GLint maxStorageBufferUnits = -1;
-			glGetIntegerv(GL_MAX_SHADER_STORAGE_BUFFER_BINDINGS, &maxStorageBufferUnits);
+			unsigned int maxStorageBufferUnits = GetInteger<unsigned int>(GL_MAX_SHADER_STORAGE_BUFFER_BINDINGS);
 			if (maxStorageBufferUnits < 8) //< OpenGL ES 3.1 requires at least 8 storage buffers units
 				NazaraWarning("GL_MAX_SHADER_STORAGE_BUFFER_BINDINGS is " + std::to_string(maxUniformBufferUnits) + ", expected >= 8");
 

src/Nazara/Renderer/ComputePipeline.cpp

@@ -0,0 +1,11 @@
+// Copyright (C) 2022 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
+// This file is part of the "Nazara Engine - Renderer module"
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#include <Nazara/Renderer/ComputePipeline.hpp>
+#include <Nazara/Renderer/Debug.hpp>
+
+namespace Nz
+{
+	ComputePipeline::~ComputePipeline() = default;
+}

src/Nazara/Renderer/DebugDrawer.cpp

@@ -83,7 +83,7 @@ namespace Nz
 			return;
 
 		builder.BindShaderBinding(0, *m_currentViewerData.binding);
-		builder.BindPipeline(*m_renderPipeline);
+		builder.BindRenderPipeline(*m_renderPipeline);
 
 		for (auto& drawCall : m_drawCalls)
 		{

src/Nazara/Renderer/RenderDevice.cpp

@@ -42,9 +42,14 @@ namespace Nz
 		}
 
 		NzValidateFeature(anisotropicFiltering, "anistropic filtering feature")
+		NzValidateFeature(computeShaders, "compute shaders feature")
 		NzValidateFeature(depthClamping, "depth clamping feature")
 		NzValidateFeature(nonSolidFaceFilling, "non-solid face filling feature")
 		NzValidateFeature(storageBuffers, "storage buffers support")
+		NzValidateFeature(textureRead, "texture read")
+		NzValidateFeature(textureReadWithoutFormat, "texture read without format")
+		NzValidateFeature(textureWrite, "texture write")
+		NzValidateFeature(textureWriteWithoutFormat, "texture write without format")
 		NzValidateFeature(unrestrictedTextureViews, "unrestricted texture view support")
 
 #undef NzValidateFeature

src/Nazara/Utility/Formats/GIFLoader.cpp

@@ -243,7 +243,7 @@ namespace Nz
 
 				void Seek(UInt64 frameIndex) override
 				{
-					assert(frameIndex < m_frames.size());
+					assert(frameIndex <= m_frames.size());
 
 					if (m_requiresFrameHistory)
 					{

src/Nazara/VulkanRenderer/Vulkan.cpp

@@ -54,11 +54,20 @@ namespace Nz
 		deviceInfo.name = physDevice.properties.deviceName;
 
 		deviceInfo.features.anisotropicFiltering = physDevice.features.samplerAnisotropy;
+		deviceInfo.features.computeShaders = true;
 		deviceInfo.features.depthClamping = physDevice.features.depthClamp;
 		deviceInfo.features.nonSolidFaceFilling = physDevice.features.fillModeNonSolid;
 		deviceInfo.features.storageBuffers = true;
+		deviceInfo.features.textureRead = true;
+		deviceInfo.features.textureReadWithoutFormat = physDevice.features.shaderStorageImageReadWithoutFormat;
+		deviceInfo.features.textureWrite = true;
+		deviceInfo.features.textureWriteWithoutFormat = physDevice.features.shaderStorageImageWriteWithoutFormat;
 		deviceInfo.features.unrestrictedTextureViews = true;
 
+		deviceInfo.limits.maxComputeSharedMemorySize = physDevice.properties.limits.maxComputeSharedMemorySize;
+		deviceInfo.limits.maxComputeWorkGroupCount = { physDevice.properties.limits.maxComputeWorkGroupCount[0], physDevice.properties.limits.maxComputeWorkGroupCount[1], physDevice.properties.limits.maxComputeWorkGroupCount[2] };
+		deviceInfo.limits.maxComputeWorkGroupSize = { physDevice.properties.limits.maxComputeWorkGroupSize[0], physDevice.properties.limits.maxComputeWorkGroupSize[1], physDevice.properties.limits.maxComputeWorkGroupSize[2] };
+		deviceInfo.limits.maxComputeWorkGroupInvocations = physDevice.properties.limits.maxComputeWorkGroupInvocations;
 		deviceInfo.limits.maxStorageBufferSize = physDevice.properties.limits.maxStorageBufferRange;
 		deviceInfo.limits.maxUniformBufferSize = physDevice.properties.limits.maxUniformBufferRange;
 		deviceInfo.limits.minStorageBufferOffsetAlignment = physDevice.properties.limits.minStorageBufferOffsetAlignment;

src/Nazara/VulkanRenderer/VulkanCommandBufferBuilder.cpp

@@ -5,6 +5,7 @@
 #include <Nazara/VulkanRenderer/VulkanCommandBufferBuilder.hpp>
 #include <Nazara/Utility/PixelFormat.hpp>
 #include <Nazara/VulkanRenderer/VulkanBuffer.hpp>
+#include <Nazara/VulkanRenderer/VulkanComputePipeline.hpp>
 #include <Nazara/VulkanRenderer/VulkanRenderPass.hpp>
 #include <Nazara/VulkanRenderer/VulkanRenderPipeline.hpp>
 #include <Nazara/VulkanRenderer/VulkanRenderPipelineLayout.hpp>
@@ -72,6 +73,13 @@ namespace Nz
 		m_currentSubpassIndex = 0;
 	}
 
+	void VulkanCommandBufferBuilder::BindComputePipeline(const ComputePipeline& pipeline)
+	{
+		const VulkanComputePipeline& vkPipeline = static_cast<const VulkanComputePipeline&>(pipeline);
+
+		m_commandBuffer.BindPipeline(VK_PIPELINE_BIND_POINT_COMPUTE, vkPipeline.GetPipeline());
+	}
+
 	void VulkanCommandBufferBuilder::BindIndexBuffer(const RenderBuffer& indexBuffer, IndexType indexType, UInt64 offset)
 	{
 		const VulkanBuffer& vkBuffer = static_cast<const VulkanBuffer&>(indexBuffer);
@@ -79,14 +87,14 @@ namespace Nz
 		m_commandBuffer.BindIndexBuffer(vkBuffer.GetBuffer(), offset, ToVulkan(indexType));
 	}
 
-	void VulkanCommandBufferBuilder::BindPipeline(const RenderPipeline& pipeline)
+	void VulkanCommandBufferBuilder::BindRenderPipeline(const RenderPipeline& pipeline)
 	{
 		if (!m_currentRenderPass)
 			throw std::runtime_error("BindPipeline must be called in a RenderPass");
 
-		const VulkanRenderPipeline& vkBinding = static_cast<const VulkanRenderPipeline&>(pipeline);
+		const VulkanRenderPipeline& vkPipeline = static_cast<const VulkanRenderPipeline&>(pipeline);
 
-		m_commandBuffer.BindPipeline(VK_PIPELINE_BIND_POINT_GRAPHICS, vkBinding.Get(*m_currentRenderPass, m_currentSubpassIndex));
+		m_commandBuffer.BindPipeline(VK_PIPELINE_BIND_POINT_GRAPHICS, vkPipeline.Get(*m_currentRenderPass, m_currentSubpassIndex));
 	}
 
 	void VulkanCommandBufferBuilder::BindShaderBinding(UInt32 set, const ShaderBinding& binding)
@@ -207,6 +215,11 @@ namespace Nz
 		m_commandBuffer.CopyImage(vkFromTexture.GetImage(), ToVulkan(fromLayout), vkToTexture.GetImage(), ToVulkan(toLayout), region);
 	}
 
+	void VulkanCommandBufferBuilder::Dispatch(UInt32 workgroupX, UInt32 workgroupY, UInt32 workgroupZ)
+	{
+		m_commandBuffer.Dispatch(workgroupX, workgroupY, workgroupZ);
+	}
+
 	void VulkanCommandBufferBuilder::Draw(UInt32 vertexCount, UInt32 instanceCount, UInt32 firstVertex, UInt32 firstInstance)
 	{
 		m_commandBuffer.Draw(vertexCount, instanceCount, firstVertex, firstInstance);

src/Nazara/VulkanRenderer/VulkanComputePipeline.cpp

@@ -0,0 +1,61 @@
+// Copyright (C) 2022 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
+// This file is part of the "Nazara Engine - Vulkan renderer"
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#include <Nazara/VulkanRenderer/VulkanComputePipeline.hpp>
+#include <Nazara/Core/ErrorFlags.hpp>
+#include <Nazara/VulkanRenderer/Utils.hpp>
+#include <Nazara/VulkanRenderer/VulkanDevice.hpp>
+#include <Nazara/VulkanRenderer/VulkanComputePipeline.hpp>
+#include <Nazara/VulkanRenderer/VulkanRenderPipelineLayout.hpp>
+#include <Nazara/VulkanRenderer/VulkanShaderModule.hpp>
+#include <cassert>
+#include <Nazara/VulkanRenderer/Debug.hpp>
+
+namespace Nz
+{
+	VulkanComputePipeline::VulkanComputePipeline(VulkanDevice& device, ComputePipelineInfo pipelineInfo) :
+	m_pipelineInfo(std::move(pipelineInfo))
+	{
+		if (device.GetEnabledFeatures().computeShaders)
+			throw std::runtime_error("compute shaders are not enabled on the device");
+
+		VulkanShaderModule& vulkanModule = static_cast<VulkanShaderModule&>(*m_pipelineInfo.shaderModule);
+		const VulkanShaderModule::Stage* computeStage = nullptr;
+		for (const auto& stage : vulkanModule.GetStages())
+		{
+			if (stage.stage != nzsl::ShaderStageType::Compute)
+				continue;
+
+			if (computeStage)
+				throw std::runtime_error("multiple compute stages found in shader module");
+
+			computeStage = &stage;
+		}
+
+		if (!computeStage)
+			throw std::runtime_error("no compute stages found in shader module");
+
+		VkComputePipelineCreateInfo createInfo = {};
+		createInfo.sType = VK_STRUCTURE_TYPE_COMPUTE_PIPELINE_CREATE_INFO;
+		createInfo.stage.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
+		createInfo.stage.module = vulkanModule.GetHandle();
+		createInfo.stage.pName = computeStage->name.data();
+		createInfo.stage.stage = ToVulkan(computeStage->stage);
+
+		VulkanRenderPipelineLayout& pipelineLayout = *static_cast<VulkanRenderPipelineLayout*>(m_pipelineInfo.pipelineLayout.get());
+		createInfo.layout = pipelineLayout.GetPipelineLayout();
+
+		if (!m_pipeline.CreateCompute(device, createInfo))
+			throw std::runtime_error("failed to create compute pipeline: " + TranslateVulkanError(m_pipeline.GetLastErrorCode()));
+	}
+
+	void VulkanComputePipeline::UpdateDebugName(std::string_view name)
+	{
+		m_pipeline.SetDebugName(name);
+	}
+}
+
+#if defined(NAZARA_PLATFORM_WINDOWS)
+#include <Nazara/Core/AntiWindows.hpp>
+#endif

src/Nazara/VulkanRenderer/VulkanDevice.cpp

@@ -4,6 +4,7 @@
 
 #include <Nazara/VulkanRenderer/VulkanDevice.hpp>
 #include <Nazara/VulkanRenderer/VulkanCommandPool.hpp>
+#include <Nazara/VulkanRenderer/VulkanComputePipeline.hpp>
 #include <Nazara/VulkanRenderer/VulkanRenderPass.hpp>
 #include <Nazara/VulkanRenderer/VulkanRenderPipeline.hpp>
 #include <Nazara/VulkanRenderer/VulkanRenderPipelineLayout.hpp>
@@ -37,6 +38,11 @@ namespace Nz
 		return std::make_shared<VulkanCommandPool>(*this, queueType);
 	}
 
+	std::shared_ptr<ComputePipeline> VulkanDevice::InstantiateComputePipeline(ComputePipelineInfo pipelineInfo)
+	{
+		return std::make_shared<VulkanComputePipeline>(*this, std::move(pipelineInfo));
+	}
+
 	std::shared_ptr<Framebuffer> VulkanDevice::InstantiateFramebuffer(unsigned int width, unsigned int height, const std::shared_ptr<RenderPass>& renderPass, const std::vector<std::shared_ptr<Texture>>& attachments)
 	{
 		return std::make_shared<VulkanTextureFramebuffer>(*this, width, height, renderPass, attachments);
@@ -111,6 +117,10 @@ namespace Nz
 				flags = VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT;
 				break;
 
+			case TextureUsage::ShaderReadWrite:
+				flags = VK_FORMAT_FEATURE_STORAGE_IMAGE_BIT;
+				break;
+
 			case TextureUsage::TransferSource:
 				flags = VK_FORMAT_FEATURE_TRANSFER_SRC_BIT;
 				break;

src/Nazara/VulkanRenderer/VulkanShaderBinding.cpp

@@ -27,9 +27,9 @@ namespace Nz
 
 				if constexpr (std::is_same_v<T, StorageBufferBinding> || std::is_same_v<T, UniformBufferBinding>)
 					bufferBindingCount++;
-				else if constexpr (std::is_same_v<T, TextureBinding>)
+				else if constexpr (std::is_same_v<T, SampledTextureBinding> || std::is_same_v<T, TextureBinding>)
 					imageBindingCount++;
-				else if constexpr (std::is_same_v<T, TextureBindings>)
+				else if constexpr (std::is_same_v<T, SampledTextureBindings>)
 					imageBindingCount += arg.arraySize;
 				else
 					static_assert(AlwaysFalse<T>(), "non-exhaustive visitor");
@@ -58,20 +58,7 @@ namespace Nz
 			{
 				using T = std::decay_t<decltype(arg)>;
 
-				if constexpr (std::is_same_v<T, StorageBufferBinding>)
-				{
-					VulkanBuffer* vkBuffer = SafeCast<VulkanBuffer*>(arg.buffer);
-
-					VkDescriptorBufferInfo& bufferInfo = bufferBinding.emplace_back();
-					bufferInfo.buffer = (vkBuffer) ? vkBuffer->GetBuffer() : VK_NULL_HANDLE;
-					bufferInfo.offset = arg.offset;
-					bufferInfo.range = arg.range;
-
-					writeOp.descriptorCount = 1;
-					writeOp.descriptorType = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER;
-					writeOp.pBufferInfo = &bufferInfo;
-				}
-				else if constexpr (std::is_same_v<T, TextureBinding>)
+				if constexpr (std::is_same_v<T, SampledTextureBinding>)
 				{
 					const VulkanTexture* vkTexture = SafeCast<const VulkanTexture*>(arg.texture);
 					const VulkanTextureSampler* vkSampler = SafeCast<const VulkanTextureSampler*>(arg.sampler);
@@ -85,7 +72,7 @@ namespace Nz
 					writeOp.descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
 					writeOp.pImageInfo = &imageInfo;
 				}
-				else if constexpr (std::is_same_v<T, TextureBindings>)
+				else if constexpr (std::is_same_v<T, SampledTextureBindings>)
 				{
 					for (UInt32 i = 0; i < arg.arraySize; ++i)
 					{
@@ -102,6 +89,32 @@ namespace Nz
 					writeOp.descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
 					writeOp.pImageInfo = &imageBinding[imageBinding.size() - arg.arraySize];
 				}
+				else if constexpr (std::is_same_v<T, StorageBufferBinding>)
+				{
+					VulkanBuffer* vkBuffer = SafeCast<VulkanBuffer*>(arg.buffer);
+
+					VkDescriptorBufferInfo& bufferInfo = bufferBinding.emplace_back();
+					bufferInfo.buffer = (vkBuffer) ? vkBuffer->GetBuffer() : VK_NULL_HANDLE;
+					bufferInfo.offset = arg.offset;
+					bufferInfo.range = arg.range;
+
+					writeOp.descriptorCount = 1;
+					writeOp.descriptorType = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER;
+					writeOp.pBufferInfo = &bufferInfo;
+				}
+				else if constexpr (std::is_same_v<T, TextureBinding>)
+				{
+					const VulkanTexture* vkTexture = SafeCast<const VulkanTexture*>(arg.texture);
+
+					VkDescriptorImageInfo& imageInfo = imageBinding.emplace_back();
+					imageInfo.imageLayout = VK_IMAGE_LAYOUT_GENERAL;
+					imageInfo.imageView = (vkTexture) ? vkTexture->GetImageView() : VK_NULL_HANDLE;
+					imageInfo.sampler = VK_NULL_HANDLE;
+
+					writeOp.descriptorCount = 1;
+					writeOp.descriptorType = VK_DESCRIPTOR_TYPE_STORAGE_IMAGE;
+					writeOp.pImageInfo = &imageInfo;
+				}
 				else if constexpr (std::is_same_v<T, UniformBufferBinding>)
 				{
 					VulkanBuffer* vkBuffer = static_cast<VulkanBuffer*>(arg.buffer);