зеркало из https://github.com/mozilla/gecko-dev.git
58 строки
1.7 KiB
C++
58 строки
1.7 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef ExternalTexture_H_
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#define ExternalTexture_H_
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#include "mozilla/gfx/Point.h"
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#include "mozilla/layers/LayersSurfaces.h"
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#include "mozilla/webgpu/ffi/wgpu.h"
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namespace mozilla {
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namespace ipc {
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class Shmem;
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}
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namespace webgpu {
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// A texture that can be used by the WebGPU implementation but is created and
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// owned by Gecko
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class ExternalTexture {
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public:
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static UniquePtr<ExternalTexture> Create(
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const uint32_t aWidth, const uint32_t aHeight,
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const struct ffi::WGPUTextureFormat aFormat);
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ExternalTexture(const uint32_t aWidth, const uint32_t aHeight,
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const struct ffi::WGPUTextureFormat aFormat);
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virtual ~ExternalTexture();
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virtual void* GetExternalTextureHandle() { return nullptr; }
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virtual Maybe<layers::SurfaceDescriptor> ToSurfaceDescriptor() = 0;
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virtual void GetSnapshot(const ipc::Shmem& aDestShmem,
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const gfx::IntSize& aSize) {}
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gfx::IntSize GetSize() { return gfx::IntSize(mWidth, mHeight); }
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void SetTextureRaw(ffi::WGPUTextureRaw* aTextureRaw);
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ffi::WGPUTextureRaw* GetTextureRaw() { return mTextureRaw; }
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const uint32_t mWidth;
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const uint32_t mHeight;
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const struct ffi::WGPUTextureFormat mFormat;
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protected:
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// Holds the raw object that could be used for creating wgpu Texture.
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ffi::WGPUTextureRaw* mTextureRaw = nullptr;
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};
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} // namespace webgpu
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} // namespace mozilla
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#endif // GPU_ExternalTexture_H_
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