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// metal-command-buffer.cpp
#include "metal-command-buffer.h"
#include "metal-command-encoder.h"
#include "metal-command-queue.h"
#include "metal-device.h"
#include "metal-shader-object.h"
namespace gfx
{
using namespace Slang;
namespace metal
{
ICommandBuffer* CommandBufferImpl::getInterface(const Guid& guid)
{
if (guid == GfxGUID::IID_ISlangUnknown || guid == GfxGUID::IID_ICommandBuffer)
return static_cast<ICommandBuffer*>(this);
return nullptr;
}
Result CommandBufferImpl::init(DeviceImpl* device, TransientResourceHeapImpl* transientHeap)
{
m_device = device;
m_commandBuffer = NS::RetainPtr(m_device->m_commandQueue->commandBuffer());
return SLANG_OK;
}
void CommandBufferImpl::encodeRenderCommands(
IRenderPassLayout* renderPass,
IFramebuffer* framebuffer,
IRenderCommandEncoder** outEncoder)
{
if (!m_renderCommandEncoder)
{
m_renderCommandEncoder = new RenderCommandEncoder;
m_renderCommandEncoder->init(this);
}
m_renderCommandEncoder->beginPass(renderPass, framebuffer);
*outEncoder = m_renderCommandEncoder;
}
void CommandBufferImpl::encodeComputeCommands(IComputeCommandEncoder** outEncoder)
{
if (!m_computeCommandEncoder)
{
m_computeCommandEncoder = new ComputeCommandEncoder;
m_computeCommandEncoder->init(this);
}
*outEncoder = m_computeCommandEncoder;
}
void CommandBufferImpl::encodeResourceCommands(IResourceCommandEncoder** outEncoder)
{
if (!m_resourceCommandEncoder)
{
m_resourceCommandEncoder = new ResourceCommandEncoder;
m_resourceCommandEncoder->init(this);
}
*outEncoder = m_resourceCommandEncoder;
}
void CommandBufferImpl::encodeRayTracingCommands(IRayTracingCommandEncoder** outEncoder)
{
if (!m_rayTracingCommandEncoder)
{
m_rayTracingCommandEncoder = new RayTracingCommandEncoder;
m_rayTracingCommandEncoder->init(this);
}
*outEncoder = m_rayTracingCommandEncoder;
}
void CommandBufferImpl::close()
{
// m_commandBuffer->commit();
}
Result CommandBufferImpl::getNativeHandle(InteropHandle* outHandle)
{
outHandle->api = InteropHandleAPI::Metal;
outHandle->handleValue = reinterpret_cast<intptr_t>(m_commandBuffer.get());
return SLANG_OK;
}
MTL::RenderCommandEncoder* CommandBufferImpl::getMetalRenderCommandEncoder(
MTL::RenderPassDescriptor* renderPassDesc)
{
if (!m_metalRenderCommandEncoder)
{
endMetalCommandEncoder();
m_metalRenderCommandEncoder =
NS::RetainPtr(m_commandBuffer->renderCommandEncoder(renderPassDesc));
}
return m_metalRenderCommandEncoder.get();
}
MTL::ComputeCommandEncoder* CommandBufferImpl::getMetalComputeCommandEncoder()
{
if (!m_metalComputeCommandEncoder)
{
endMetalCommandEncoder();
m_metalComputeCommandEncoder = NS::RetainPtr(m_commandBuffer->computeCommandEncoder());
}
return m_metalComputeCommandEncoder.get();
}
MTL::BlitCommandEncoder* CommandBufferImpl::getMetalBlitCommandEncoder()
{
if (!m_metalBlitCommandEncoder)
{
endMetalCommandEncoder();
m_metalBlitCommandEncoder = NS::RetainPtr(m_commandBuffer->blitCommandEncoder());
}
return m_metalBlitCommandEncoder.get();
}
void CommandBufferImpl::endMetalCommandEncoder()
{
if (m_metalRenderCommandEncoder)
{
m_metalRenderCommandEncoder->endEncoding();
m_metalRenderCommandEncoder.reset();
}
if (m_metalComputeCommandEncoder)
{
m_metalComputeCommandEncoder->endEncoding();
m_metalComputeCommandEncoder.reset();
}
if (m_metalBlitCommandEncoder)
{
m_metalBlitCommandEncoder->endEncoding();
m_metalBlitCommandEncoder.reset();
}
}
} // namespace metal
} // namespace gfx
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