HaxeJolt

lib/haxejolt/JoltPhysics/Jolt/Compute/VK/ComputeQueueVK.h

@@ -0,0 +1,66 @@
+// Jolt Physics Library (https://github.com/jrouwe/JoltPhysics)
+// SPDX-FileCopyrightText: 2025 Jorrit Rouwe
+// SPDX-License-Identifier: MIT
+
+#pragma once
+
+#include <Jolt/Compute/ComputeQueue.h>
+
+#ifdef JPH_USE_VK
+
+#include <Jolt/Compute/VK/ComputeShaderVK.h>
+#include <Jolt/Compute/VK/BufferVK.h>
+#include <Jolt/Core/UnorderedMap.h>
+#include <Jolt/Core/UnorderedSet.h>
+
+JPH_NAMESPACE_BEGIN
+
+class ComputeSystemVK;
+class ComputeBufferVK;
+
+/// A command queue for Vulkan for executing compute workloads on the GPU.
+class JPH_EXPORT ComputeQueueVK final : public ComputeQueue
+{
+public:
+	JPH_OVERRIDE_NEW_DELETE
+
+	/// Constructor / Destructor
+	explicit							ComputeQueueVK(ComputeSystemVK *inComputeSystem) : mComputeSystem(inComputeSystem) { }
+	virtual								~ComputeQueueVK() override;
+
+	/// Initialize the queue
+	bool								Initialize(uint32 inComputeQueueIndex, ComputeQueueResult &outResult);
+
+	// See: ComputeQueue
+	virtual void						SetShader(const ComputeShader *inShader) override;
+	virtual void						SetConstantBuffer(const char *inName, const ComputeBuffer *inBuffer) override;
+	virtual void						SetBuffer(const char *inName, const ComputeBuffer *inBuffer) override;
+	virtual void 						SetRWBuffer(const char *inName, ComputeBuffer *inBuffer, EBarrier inBarrier = EBarrier::Yes) override;
+	virtual void						ScheduleReadback(ComputeBuffer *inDst, const ComputeBuffer *inSrc) override;
+	virtual void						Dispatch(uint inThreadGroupsX, uint inThreadGroupsY, uint inThreadGroupsZ) override;
+	virtual void						Execute() override;
+	virtual void						Wait() override;
+
+private:
+	bool								BeginCommandBuffer();
+
+	// Copy the CPU buffer to the GPU buffer if needed
+	void								SyncCPUToGPU(const ComputeBufferVK *inBuffer);
+
+	ComputeSystemVK *					mComputeSystem;
+	VkQueue								mQueue = VK_NULL_HANDLE;
+	VkCommandPool						mCommandPool = VK_NULL_HANDLE;
+	VkDescriptorPool					mDescriptorPool = VK_NULL_HANDLE;
+	VkCommandBuffer						mCommandBuffer = VK_NULL_HANDLE;
+	bool								mCommandBufferRecording = false;				///< If we are currently recording commands into the command buffer
+	VkFence								mFence = VK_NULL_HANDLE;
+	bool								mIsExecuting = false;							///< If Execute has been called and we are waiting for it to finish
+	RefConst<ComputeShaderVK>			mShader;										///< Shader that has been activated
+	Array<VkDescriptorBufferInfo>		mBufferInfos;									///< List of parameters that will be sent to the current shader
+	UnorderedSet<RefConst<ComputeBuffer>> mUsedBuffers;									///< Buffers that are in use by the current execution, these will be retained until execution is finished so that we don't free buffers that are in use
+	Array<BufferVK>						mDelayedFreedBuffers;							///< Hardware buffers that need to be freed after execution is done
+};
+
+JPH_NAMESPACE_END
+
+#endif // JPH_USE_VK