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D3D12: Add helper for offsetting descriptors

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This commit is contained in:
Connor McLaughlin
2021-07-30 00:40:51 +10:00
parent cb1e15da58
commit aff9f1c25f
2 changed files with 42 additions and 14 deletions
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24
src/common/d3d12/descriptor_heap_manager.h
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@@ -44,15 +44,29 @@ public:
DescriptorHeapManager();
~DescriptorHeapManager();
ID3D12DescriptorHeap* GetDescriptorHeap() const { return m_descriptor_heap.Get(); }
u32 GetDescriptorIncrementSize() const { return m_descriptor_increment_size; }
ALWAYS_INLINE ID3D12DescriptorHeap* GetDescriptorHeap() const { return m_descriptor_heap.Get(); }
ALWAYS_INLINE u32 GetDescriptorIncrementSize() const { return m_descriptor_increment_size; }
ALWAYS_INLINE D3D12_CPU_DESCRIPTOR_HANDLE OffsetCPUHandle(D3D12_CPU_DESCRIPTOR_HANDLE handle, u32 count) const
{
D3D12_CPU_DESCRIPTOR_HANDLE ret;
ret.ptr = handle.ptr + m_descriptor_increment_size * count;
return ret;
}
ALWAYS_INLINE D3D12_GPU_DESCRIPTOR_HANDLE OffsetGPUHandle(D3D12_GPU_DESCRIPTOR_HANDLE handle, u32 count) const
{
D3D12_GPU_DESCRIPTOR_HANDLE ret;
ret.ptr = handle.ptr + m_descriptor_increment_size * count;
return ret;
}
bool Create(ID3D12Device* device, D3D12_DESCRIPTOR_HEAP_TYPE type, u32 num_descriptors, bool shader_visible);
void Destroy();
bool Allocate(DescriptorHandle* handle);
void Free(DescriptorHandle* handle);
void Free(u32 index);
bool Allocate(DescriptorHandle* handle, u32 count = 1);
void Free(DescriptorHandle* handle, u32 count = 1);
void Free(u32 index, u32 count = 1);
private:
Microsoft::WRL::ComPtr<ID3D12DescriptorHeap> m_descriptor_heap;