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// metal-command-buffer.h
#pragma once
#include "../simple-transient-resource-heap.h"
#include "metal-base.h"
#include "metal-command-encoder.h"
#include "metal-shader-object.h"
namespace gfx
{
using namespace Slang;
namespace metal
{
class CommandBufferImpl : public ICommandBuffer, public ComObject
{
public:
SLANG_COM_OBJECT_IUNKNOWN_ALL
ICommandBuffer* getInterface(const Guid& guid);
public:
RefPtr<DeviceImpl> m_device;
NS::SharedPtr<MTL::CommandBuffer> m_commandBuffer;
RootShaderObjectImpl m_rootObject;
// RefPtr<MutableRootShaderObjectImpl> m_mutableRootShaderObject;
RefPtr<ResourceCommandEncoder> m_resourceCommandEncoder = nullptr;
RefPtr<ComputeCommandEncoder> m_computeCommandEncoder = nullptr;
RefPtr<RenderCommandEncoder> m_renderCommandEncoder = nullptr;
RefPtr<RayTracingCommandEncoder> m_rayTracingCommandEncoder = nullptr;
NS::SharedPtr<MTL::RenderCommandEncoder> m_metalRenderCommandEncoder;
NS::SharedPtr<MTL::ComputeCommandEncoder> m_metalComputeCommandEncoder;
NS::SharedPtr<MTL::BlitCommandEncoder> m_metalBlitCommandEncoder;
// Command buffers are deallocated by its command pool,
// so no need to free individually.
~CommandBufferImpl() = default;
Result init(DeviceImpl* device, TransientResourceHeapImpl* transientHeap);
void beginCommandBuffer();
MTL::RenderCommandEncoder* getMetalRenderCommandEncoder(
MTL::RenderPassDescriptor* renderPassDesc);
MTL::ComputeCommandEncoder* getMetalComputeCommandEncoder();
MTL::BlitCommandEncoder* getMetalBlitCommandEncoder();
void endMetalCommandEncoder();
public:
virtual SLANG_NO_THROW void SLANG_MCALL encodeRenderCommands(
IRenderPassLayout* renderPass,
IFramebuffer* framebuffer,
IRenderCommandEncoder** outEncoder) override;
virtual SLANG_NO_THROW void SLANG_MCALL
encodeComputeCommands(IComputeCommandEncoder** outEncoder) override;
virtual SLANG_NO_THROW void SLANG_MCALL
encodeResourceCommands(IResourceCommandEncoder** outEncoder) override;
virtual SLANG_NO_THROW void SLANG_MCALL
encodeRayTracingCommands(IRayTracingCommandEncoder** outEncoder) override;
virtual SLANG_NO_THROW void SLANG_MCALL close() override;
virtual SLANG_NO_THROW Result SLANG_MCALL getNativeHandle(InteropHandle* outHandle) override;
};
} // namespace metal
} // namespace gfx
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