Command.hpp

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#pragma once
#include <Core/AllocatorStack.hpp>
#include <RHICore/Command.hpp>
#include "Common.hpp"
#include "Resource.hpp"
 
namespace Foundation::RHI
{
    class VulkanDevice;
    class VulkanCommandList;
 
    class VulkanCommandPool : public RHICommandPool
    {
    protected:
        Allocator* mAllocator;
        const VulkanDevice& mDevice;
        vk::raii::CommandPool mCommandPool{nullptr};
        RHIObjectPool<> mStorage;
 
    public:
        VulkanCommandPool(const VulkanDevice& device, PoolDesc const& desc, Allocator* allocator);
 
        auto const& GetDevice() const { return mDevice; }
        auto const& GetVkCommandPool() const { return mCommandPool; }
 
        RHICommandPoolScopedHandle<RHICommandList> CreateCommandList() override;
        RHICommandList* GetCommandList(Handle handle) const override;
        void DestroyCommandList(Handle handle) override;
 
        void ResetAllCommandLists(bool freeResources) override;
 
        void DebugSetObjectName(const char* name) override;
    };
 
    constexpr size_t kCommandBarrierReserveSize = 256;
 
    class VulkanCommandList : public RHICommandList
    {
    protected:
        const VulkanCommandPool& mCommandPool;
        vk::raii::CommandBuffer mCommandBuffer{nullptr};
        Allocator* mAllocator = nullptr;
 
        struct Barriers
        {
            Vector<vk::ImageMemoryBarrier2> image;
            Vector<vk::BufferMemoryBarrier2> buffer;
 
            Barriers(Allocator* allocator) :
                image(allocator), buffer(allocator)
            {
                image.reserve(kCommandBarrierReserveSize);
                buffer.reserve(kCommandBarrierReserveSize);
            };
        };
 
        // !! XXX: Resources allocated with m_allocator must be destroyed before
        // the allocator goes down.
        // VTable can in-fact get corrupted otherwise - we need a better solution
        // to safeguard this type of issue.
        UniquePtr<Barriers> mBarriers;
 
        RHIPipelineState* mLastPSO = nullptr;
    public:
        VulkanCommandList(const VulkanCommandPool& commandPool);
 
        [[nodiscard]] auto const& GetVkCommandBuffer() const { return mCommandBuffer; }
 
        RHICommandList& Begin() override;
 
        RHICommandList& BeginTransition() override;
        RHICommandList& SetBufferTransition(RHIBuffer* image, TransitionDesc const& desc) override;
        RHICommandList& SetImageTransition(RHITexture* image, TransitionDesc const& desc) override;
        RHICommandList& SetAccelerationStructureTransition(RHIAccelerationStructure* as,
                                                           TransitionDesc const& desc) override;
        RHICommandList& EndTransition() override;
 
        RHICommandList& SetPipeline(PipelineDesc const& desc) override;
        RHICommandList& BindDescriptorSet(
            RHIDevicePipelineType bindpoint,
            RHIPipelineState* pipeline,
            Span<RHIDeviceDescriptorSet* const> sets,
            size_t first,
            Span<const uint32_t> dynamicOffsets) override;
        RHICommandList& SetViewport(float x, float y, float width, float height, float depth_min = 0.0,
                                    float depth_max = 1.0, bool flipY = false) override;
        RHICommandList& SetScissor(uint32_t x, uint32_t y, uint32_t width, uint32_t height) override;
        RHICommandList& Draw(uint32_t vertex_count, uint32_t instance_count = 1, uint32_t first_vertex = 0,
                             uint32_t first_instance = 0) override;
        RHICommandList& DrawIndexed(uint32_t index_count, uint32_t instance_count = 1, uint32_t first_index = 0,
                                    int32_t vertex_offset = 0, uint32_t first_instance = 0) override;
        RHICommandList& DrawIndexedIndirectCount(RHIBuffer* buffer, size_t offset, RHIBuffer* count_buffer,
                                                 size_t count_offset, uint32_t max_draw_count,
                                                 uint32_t stride) override;
        RHICommandList& DrawMeshTasks(uint32_t group_count_x, uint32_t group_count_y, uint32_t group_count_z) override;
        RHICommandList& DrawMeshTasksIndirect(RHIBuffer* cmd_buffer, size_t cmd_offset, size_t draw_count,
                                              size_t stride) override;
        RHICommandList& DrawMeshTasksIndirectCount(RHIBuffer* cmd_buffer, size_t cmd_offset, RHIBuffer* count_buffer,
                                                   size_t count_offset, uint32_t max_draw_count,
                                                   uint32_t cmd_stride) override;
        RHICommandList& PushConstant(RHIPipelineState* pipeline, RHIShaderStage stage, uint32_t offset,
                                     Span<const char> data) override;
        RHICommandList& UpdateBuffer(RHIBuffer* buffer, size_t offset, Span<const char> data) override;
        RHICommandList& FillBuffer(RHIBuffer* buffer, uint32_t value, size_t offset = 0,
                                   size_t size = kFullSize) override;
        RHICommandList& CopyBuffer(RHIBuffer* src_buffer, RHIBuffer* dst_buffer,
                                   Span<const CopyBufferRegion> regions) override;
        RHICommandList& CopyImage(RHITexture* src_image, RHITextureLayout src_layout, RHITexture* dst_image,
                                  RHITextureLayout dst_layout, Span<const CopyImageRegion> regions) override;
        RHICommandList& CopyBufferToImage(RHIBuffer* src_buffer, RHITexture* dst_image, RHITextureLayout dst_layout,
                                          Span<const CopyImageRegion> regions) override;
        RHICommandList& CopyAccelerationStructure(RHIAccelerationStructure* src, RHIAccelerationStructure* dst,
                                                  bool compact) override;
 
        RHICommandList& BeginGraphics(GraphicsDesc const& desc) override;
        RHICommandList&
        BindVertexBuffer(uint32_t index, Span<RHIBuffer* const> buffers, Span<const size_t> offsets) override;
        RHICommandList& BindIndexBuffer(RHIBuffer* buffer, size_t offset, RHIResourceFormat format) override;
        RHICommandList& EndGraphics() override;
 
        RHICommandList& Dispatch(uint32_t group_count_x, uint32_t group_count_y, uint32_t group_count_z) override;
        RHICommandList& DispatchIndirect(RHIBuffer* cmd_buffer, size_t cmd_offset) override;
 
        RHICommandList& BuildAccelerationStructure(Span<const RHIAccelerationStructureBuildDesc> desc) override;
        RHICommandList& TraceRays(uint32_t width, uint32_t height, uint32_t depth) override;
        RHICommandList&
        WriteTimestamp(RHIDeviceQueryPool* pool, RHIPipelineStageBits stage, uint32_t queryIndex) override;
        RHICommandList& WriteAccelerationStructureCompactedSize(Span<RHIAccelerationStructure* const> as,
                                                                RHIDeviceQueryPool* pool, size_t queryIndex) override;
        RHICommandList& DebugBegin(const char* message) override;
        RHICommandList& DebugInsertMarker(const char* message) override;
        RHICommandList& DebugEnd() override;
 
        void End() override;
        void Reset() override;
 
        void DebugSetObjectName(const char* name) override;
    };
}