src/dawn/native/d3d12/D3D12Info.h

// Copyright 2019 The Dawn & Tint Authors
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#ifndef SRC_DAWN_NATIVE_D3D12_D3D12INFO_H_
#define SRC_DAWN_NATIVE_D3D12_D3D12INFO_H_

#include "dawn/native/Error.h"
#include "dawn/native/PerStage.h"
#include "dawn/native/d3d12/d3d12_platform.h"

namespace dawn::native::d3d12 {

class PhysicalDevice;

struct D3D12DeviceInfo {
    bool isUMA;
    bool isCacheCoherentUMA;
    uint32_t resourceHeapTier;
    bool supportsRenderPass;
    // Whether the device support native 16bit shader ops, required for shader f16 feature. Note
    // that the feature also requires using shader model version >= 6.2.
    bool supportsNative16BitShaderOps;
    // highestSupportedShaderModel indicates the maximum supported shader model, for example, the
    // value 62 indicates that current driver supports the maximum shader model is shader model 6.2.
    uint32_t highestSupportedShaderModel;
    bool supportsSharedResourceCapabilityTier1;
    bool supportsCastingFullyTypedFormat;
    uint32_t programmableSamplePositionsTier;
    bool supportsRootSignatureVersion1_1;
    bool use64KBAlignedMSAATexture;
    bool supportsHeapFlagCreateNotZeroed;
    bool supportsTextureCopyBetweenDimensions;
    // Whether the device support wave intrinsics
    bool supportsWaveOps;
    uint32_t waveLaneCountMin;
    // Currently the WaveLaneCountMax queried from D3D12 API is not reliable and the meaning is
    // unclear. Reference:
    // https://github.com/Microsoft/DirectXShaderCompiler/wiki/Wave-Intrinsics#:~:text=UINT%20WaveLaneCountMax
    uint32_t waveLaneCountMax;
    size_t dedicatedVideoMemory;
    size_t sharedSystemMemory;
};

ResultOrError<D3D12DeviceInfo> GatherDeviceInfo(const PhysicalDevice& physicalDevice);
}  // namespace dawn::native::d3d12

#endif  // SRC_DAWN_NATIVE_D3D12_D3D12INFO_H_