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// d3d12-resource-views.h
#pragma once
#include "../d3d/d3d-util.h"
#include "d3d12-base.h"
#include "d3d12-buffer.h"
namespace gfx
{
namespace d3d12
{
using namespace Slang;
class ResourceViewImpl;
class ResourceViewInternalImpl
{
public:
// The default descriptor for the view.
D3D12Descriptor m_descriptor;
// StructuredBuffer descriptors for different strides.
Dictionary<uint32_t, D3D12Descriptor> m_mapBufferStrideToDescriptor;
RefPtr<D3D12GeneralExpandingDescriptorHeap> m_allocator;
~ResourceViewInternalImpl();
// Get a d3d12 descriptor from the buffer view with the given buffer element stride.
SlangResult getBufferDescriptorForBinding(
DeviceImpl* device,
ResourceViewImpl* view,
uint32_t bufferStride,
D3D12Descriptor& outDescriptor);
};
SlangResult createD3D12BufferDescriptor(
BufferResourceImpl* buffer,
BufferResourceImpl* counterBuffer,
IResourceView::Desc const& desc,
uint32_t bufferStride,
DeviceImpl* device,
D3D12GeneralExpandingDescriptorHeap* descriptorHeap,
D3D12Descriptor* outDescriptor);
class ResourceViewImpl : public ResourceViewBase, public ResourceViewInternalImpl
{
public:
Slang::RefPtr<Resource> m_resource;
// null, unless this is a structuredbuffer with a separate counter buffer
Slang::RefPtr<Resource> m_counterResource;
virtual SLANG_NO_THROW Result SLANG_MCALL getNativeHandle(InteropHandle* outHandle) override;
};
#if SLANG_GFX_HAS_DXR_SUPPORT
class AccelerationStructureImpl : public AccelerationStructureBase, public ResourceViewInternalImpl
{
public:
RefPtr<BufferResourceImpl> m_buffer;
uint64_t m_offset;
uint64_t m_size;
ComPtr<ID3D12Device5> m_device5;
public:
virtual SLANG_NO_THROW DeviceAddress SLANG_MCALL getDeviceAddress() override;
virtual SLANG_NO_THROW Result SLANG_MCALL getNativeHandle(InteropHandle* outHandle) override;
};
#endif
} // namespace d3d12
} // namespace gfx
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