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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
#include <d3d11.h>
#include <memory>
#include <mfobjects.h>
#include "D3D11TextureIMFSampleImage.h"
#include "WMF.h"
#include "mozilla/gfx/SourceSurfaceRawData.h"
#include "mozilla/layers/KnowsCompositor.h"
#include "mozilla/layers/TextureForwarder.h"
namespace mozilla {
namespace layers {
using namespace gfx;
/* static */
RefPtr<IMFSampleWrapper> IMFSampleWrapper::Create(IMFSample* aVideoSample) {
RefPtr<IMFSampleWrapper> wrapper = new IMFSampleWrapper(aVideoSample);
return wrapper;
}
IMFSampleWrapper::IMFSampleWrapper(IMFSample* aVideoSample)
: mVideoSample(aVideoSample) {}
IMFSampleWrapper::~IMFSampleWrapper() {}
void IMFSampleWrapper::ClearVideoSample() { mVideoSample = nullptr; }
D3D11TextureIMFSampleImage::D3D11TextureIMFSampleImage(
IMFSample* aVideoSample, ID3D11Texture2D* aTexture, uint32_t aArrayIndex,
const gfx::IntSize& aSize, const gfx::IntRect& aRect,
gfx::ColorSpace2 aColorSpace, gfx::ColorRange aColorRange)
: Image(nullptr, ImageFormat::D3D11_TEXTURE_IMF_SAMPLE),
mVideoSample(IMFSampleWrapper::Create(aVideoSample)),
mTexture(aTexture),
mArrayIndex(aArrayIndex),
mSize(aSize),
mPictureRect(aRect),
mColorSpace(aColorSpace),
mColorRange(aColorRange) {
MOZ_ASSERT(XRE_IsGPUProcess());
}
void D3D11TextureIMFSampleImage::AllocateTextureClient(
KnowsCompositor* aKnowsCompositor, RefPtr<IMFSampleUsageInfo> aUsageInfo) {
mTextureClient = D3D11TextureData::CreateTextureClient(
mTexture, mArrayIndex, mSize, gfx::SurfaceFormat::NV12, mColorSpace,
mColorRange, aKnowsCompositor, aUsageInfo);
MOZ_ASSERT(mTextureClient);
}
gfx::IntSize D3D11TextureIMFSampleImage::GetSize() const { return mSize; }
TextureClient* D3D11TextureIMFSampleImage::GetTextureClient(
KnowsCompositor* aKnowsCompositor) {
return mTextureClient;
}
already_AddRefed<gfx::SourceSurface>
D3D11TextureIMFSampleImage::GetAsSourceSurface() {
RefPtr<ID3D11Texture2D> src = GetTexture();
if (!src) {
gfxWarning() << "Cannot readback from shared texture because no texture is "
"available.";
return nullptr;
}
RefPtr<gfx::SourceSurface> sourceSurface =
gfx::Factory::CreateBGRA8DataSourceSurfaceForD3D11Texture(src,
mArrayIndex);
// There is a case that mSize and size of mTexture are different. In this
// case, size of sourceSurface is different from mSize.
if (sourceSurface && sourceSurface->GetSize() != mSize) {
MOZ_RELEASE_ASSERT(sourceSurface->GetType() == SurfaceType::DATA_ALIGNED);
RefPtr<gfx::SourceSurfaceAlignedRawData> rawData =
static_cast<gfx::SourceSurfaceAlignedRawData*>(sourceSurface.get());
auto data = rawData->GetData();
auto stride = rawData->Stride();
auto size = rawData->GetSize();
auto format = rawData->GetFormat();
sourceSurface = gfx::Factory::CreateWrappingDataSourceSurface(
data, stride, Min(size, mSize), format,
[](void* aClosure) {
RefPtr<SourceSurfaceAlignedRawData> surface =
dont_AddRef(static_cast<SourceSurfaceAlignedRawData*>(aClosure));
},
rawData.forget().take());
}
return sourceSurface.forget();
}
nsresult D3D11TextureIMFSampleImage::BuildSurfaceDescriptorBuffer(
SurfaceDescriptorBuffer& aSdBuffer, BuildSdbFlags aFlags,
const std::function<MemoryOrShmem(uint32_t)>& aAllocate) {
RefPtr<ID3D11Texture2D> src = GetTexture();
if (!src) {
gfxWarning() << "Cannot readback from shared texture because no texture is "
"available.";
return NS_ERROR_FAILURE;
}
return gfx::Factory::CreateSdbForD3D11Texture(src, mSize, aSdBuffer,
aAllocate);
}
ID3D11Texture2D* D3D11TextureIMFSampleImage::GetTexture() const {
return mTexture;
}
RefPtr<IMFSampleWrapper> D3D11TextureIMFSampleImage::GetIMFSampleWrapper() {
return mVideoSample;
}
} // namespace layers
} // namespace mozilla