SetShaderScratchSpaceX (XBOX Series 主機)

void SetShaderScratchSpaceX(  
         D3D12XBOX_SET_SHADER_SCRATCH_SPACE_FLAGS Flags,  
         D3D12_GPU_VIRTUAL_ADDRESS Destination,  
         UINT64 SizeBytes,  
         UINT SizePerWaveInBytes  
)  

UINT GetScratchSize(
    ID3D12PipelineState* pPso)
{
    ComPtr<ID3DBlob> blob;

    // Retrieve scratch size, if present
    HRESULT hr = pPso->GetInformationX(D3D12XBOX_PIPELINE_STATE_INFORMATION_TYPE_SCRATCH_SIZE_PER_WAVE_IN_UNITS_OF_256DW, 0, &blob);
    if (FAILED(hr))
        return 0;

    const UINT* pValue = (UINT*)blob->GetBufferPointer();

    return *pValue * 1024;
}

    const UINT scratchSizePerWaveBytes = GetScratchSize(pso.Get());
    const UINT scratchSize = scratchSizePerWaveBytes * 8;

    pCmdList->SetShaderScratchSpaceX(D3D12XBOX_SET_SHADER_SCRATCH_SPACE_FLAGS_GRAPHICS,
        pScratch0->GetGPUVirtualAddress(),
        scratchSize,
        scratchSizePerWaveBytes);
    pCmdList->SetPipelineState(pso.Get());
    pCmdList->DrawInstanced(128, 1, 0, 0);