зеркало из https://github.com/mozilla/gecko-dev.git
70 строки
2.2 KiB
C++
70 строки
2.2 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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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#include <d3d11.h>
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#include <memory>
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#include <mfobjects.h>
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#include "D3D11TextureIMFSampleImage.h"
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#include "WMF.h"
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#include "mozilla/layers/KnowsCompositor.h"
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#include "mozilla/layers/TextureForwarder.h"
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namespace mozilla {
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namespace layers {
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using namespace gfx;
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D3D11TextureIMFSampleImage::D3D11TextureIMFSampleImage(
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IMFSample* aVideoSample, ID3D11Texture2D* aTexture, uint32_t aArrayIndex,
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const gfx::IntSize& aSize, const gfx::IntRect& aRect,
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gfx::YUVColorSpace aColorSpace, gfx::ColorRange aColorRange)
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: Image(nullptr, ImageFormat::D3D11_TEXTURE_IMF_SAMPLE),
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mVideoSample(aVideoSample),
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mTexture(aTexture),
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mArrayIndex(aArrayIndex),
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mSize(aSize),
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mPictureRect(aRect),
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mYUVColorSpace(aColorSpace),
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mColorRange(aColorRange) {
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MOZ_ASSERT(XRE_IsGPUProcess());
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}
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void D3D11TextureIMFSampleImage::AllocateTextureClient(
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KnowsCompositor* aKnowsCompositor) {
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mTextureClient = D3D11TextureData::CreateTextureClient(
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mTexture, mArrayIndex, mSize, gfx::SurfaceFormat::NV12, mYUVColorSpace,
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mColorRange, aKnowsCompositor);
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MOZ_ASSERT(mTextureClient);
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}
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gfx::IntSize D3D11TextureIMFSampleImage::GetSize() const { return mSize; }
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TextureClient* D3D11TextureIMFSampleImage::GetTextureClient(
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KnowsCompositor* aKnowsCompositor) {
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return mTextureClient;
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}
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already_AddRefed<gfx::SourceSurface>
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D3D11TextureIMFSampleImage::GetAsSourceSurface() {
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RefPtr<ID3D11Texture2D> src = GetTexture();
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if (!src) {
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gfxWarning() << "Cannot readback from shared texture because no texture is "
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"available.";
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return nullptr;
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}
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return gfx::Factory::CreateBGRA8DataSourceSurfaceForD3D11Texture(src,
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mArrayIndex);
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}
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ID3D11Texture2D* D3D11TextureIMFSampleImage::GetTexture() const {
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return mTexture;
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}
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} // namespace layers
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} // namespace mozilla
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