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// Copyright 2023 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef SRC_DAWN_NATIVE_D3D_EXTERNALIMAGEDXGIIMPL_H_
#define SRC_DAWN_NATIVE_D3D_EXTERNALIMAGEDXGIIMPL_H_
#include <wrl/client.h>
#include <memory>
#include <optional>
#include <utility>
#include <vector>
#include "dawn/common/LinkedList.h"
#include "dawn/common/Mutex.h"
#include "dawn/common/NonCopyable.h"
#include "dawn/native/Error.h"
#include "dawn/native/Forward.h"
#include "dawn/native/IntegerTypes.h"
#include "dawn/native/d3d/d3d_platform.h"
#include "dawn/webgpu_cpp.h"
namespace dawn::native::d3d {
class Device;
class KeyedMutex;
struct ExternalImageDXGIBeginAccessDescriptor;
struct ExternalImageDXGIFenceDescriptor;
struct ExternalImageDescriptorDXGISharedHandle;
MaybeError ValidateTextureDescriptorCanBeWrapped(const UnpackedPtr<TextureDescriptor>& descriptor);
class ExternalImageDXGIImpl : public LinkNode<ExternalImageDXGIImpl> {
public:
ExternalImageDXGIImpl(Device* backendDevice,
ComPtr<IUnknown> d3dResource,
Ref<d3d::KeyedMutex> keyedMutex,
const UnpackedPtr<TextureDescriptor>& textureDescriptor);
~ExternalImageDXGIImpl();
ExternalImageDXGIImpl(const ExternalImageDXGIImpl&) = delete;
ExternalImageDXGIImpl& operator=(const ExternalImageDXGIImpl&) = delete;
bool IsValid() const;
WGPUTexture BeginAccess(const ExternalImageDXGIBeginAccessDescriptor* descriptor);
void EndAccess(WGPUTexture texture, ExternalImageDXGIFenceDescriptor* signalFence);
// This method should only be called by internal code. Don't call this from D3D12Backend side,
// or without locking.
void DestroyInternal();
[[nodiscard]] Mutex::AutoLock GetScopedDeviceLock() const;
protected:
Ref<DeviceBase> mBackendDevice;
ComPtr<IUnknown> mD3DResource;
Ref<d3d::KeyedMutex> mKeyedMutex;
wgpu::TextureUsage mUsage;
wgpu::TextureUsage mUsageInternal = wgpu::TextureUsage::None;
wgpu::TextureDimension mDimension;
Extent3D mSize;
wgpu::TextureFormat mFormat;
uint32_t mMipLevelCount;
uint32_t mSampleCount;
std::vector<wgpu::TextureFormat> mViewFormats;
};
} // namespace dawn::native::d3d
#endif // SRC_DAWN_NATIVE_D3D_EXTERNALIMAGEDXGIIMPL_H_