зеркало из https://github.com/mozilla/gecko-dev.git
109 строки
3.7 KiB
C++
109 строки
3.7 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/gfx/SourceSurfaceRawData.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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/* static */
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RefPtr<IMFSampleWrapper> IMFSampleWrapper::Create(IMFSample* aVideoSample) {
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RefPtr<IMFSampleWrapper> wrapper = new IMFSampleWrapper(aVideoSample);
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return wrapper;
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}
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IMFSampleWrapper::IMFSampleWrapper(IMFSample* aVideoSample)
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: mVideoSample(aVideoSample) {}
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IMFSampleWrapper::~IMFSampleWrapper() {}
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void IMFSampleWrapper::ClearVideoSample() { mVideoSample = nullptr; }
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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::ColorSpace2 aColorSpace, gfx::ColorRange aColorRange)
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: Image(nullptr, ImageFormat::D3D11_TEXTURE_IMF_SAMPLE),
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mVideoSample(IMFSampleWrapper::Create(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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mColorSpace(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, RefPtr<IMFSampleUsageInfo> aUsageInfo) {
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mTextureClient = D3D11TextureData::CreateTextureClient(
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mTexture, mArrayIndex, mSize, gfx::SurfaceFormat::NV12, mColorSpace,
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mColorRange, aKnowsCompositor, aUsageInfo);
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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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RefPtr<gfx::SourceSurface> sourceSurface =
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gfx::Factory::CreateBGRA8DataSourceSurfaceForD3D11Texture(src,
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mArrayIndex);
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// There is a case that mSize and size of mTexture are different. In this
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// case, size of sourceSurface is different from mSize.
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if (sourceSurface && sourceSurface->GetSize() != mSize) {
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MOZ_RELEASE_ASSERT(sourceSurface->GetType() == SurfaceType::DATA_ALIGNED);
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RefPtr<gfx::SourceSurfaceAlignedRawData> rawData =
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static_cast<gfx::SourceSurfaceAlignedRawData*>(sourceSurface.get());
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auto data = rawData->GetData();
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auto stride = rawData->Stride();
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auto size = rawData->GetSize();
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auto format = rawData->GetFormat();
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sourceSurface = gfx::Factory::CreateWrappingDataSourceSurface(
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data, stride, Min(size, mSize), format,
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[](void* aClosure) {
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RefPtr<SourceSurfaceAlignedRawData> surface =
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dont_AddRef(static_cast<SourceSurfaceAlignedRawData*>(aClosure));
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},
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rawData.forget().take());
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}
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return sourceSurface.forget();
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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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RefPtr<IMFSampleWrapper> D3D11TextureIMFSampleImage::GetIMFSampleWrapper() {
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return mVideoSample;
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}
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} // namespace layers
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} // namespace mozilla
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