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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 "RenderD3D11TextureHost.h"
#include "GLContextEGL.h"
#include "GLLibraryEGL.h"
#include "RenderThread.h"
#include "RenderCompositor.h"
#include "RenderCompositorD3D11SWGL.h"
#include "ScopedGLHelpers.h"
#include "mozilla/DebugOnly.h"
#include "mozilla/gfx/CanvasManagerParent.h"
#include "mozilla/gfx/DeviceManagerDx.h"
#include "mozilla/gfx/Logging.h"
#include "mozilla/layers/FenceD3D11.h"
#include "mozilla/layers/GpuProcessD3D11QueryMap.h"
#include "mozilla/layers/GpuProcessD3D11TextureMap.h"
#include "mozilla/layers/TextureD3D11.h"
namespace mozilla {
namespace wr {
RenderDXGITextureHost::RenderDXGITextureHost(
RefPtr<gfx::FileHandleWrapper> aHandle,
Maybe<layers::GpuProcessTextureId>& aGpuProcessTextureId,
uint32_t aArrayIndex, gfx::SurfaceFormat aFormat,
gfx::ColorSpace2 aColorSpace, gfx::ColorRange aColorRange,
gfx::IntSize aSize, bool aHasKeyedMutex, gfx::FenceInfo& aAcquireFenceInfo,
Maybe<layers::GpuProcessQueryId>& aGpuProcessQueryId)
: mHandle(aHandle),
mGpuProcessTextureId(aGpuProcessTextureId),
mGpuProcessQueryId(aGpuProcessQueryId),
mArrayIndex(aArrayIndex),
mSurface(0),
mStream(0),
mTextureHandle{0},
mFormat(aFormat),
mColorSpace(aColorSpace),
mColorRange(aColorRange),
mSize(aSize),
mHasKeyedMutex(aHasKeyedMutex),
mAcquireFenceInfo(aAcquireFenceInfo),
mLocked(false) {
MOZ_COUNT_CTOR_INHERITED(RenderDXGITextureHost, RenderTextureHost);
MOZ_ASSERT((mFormat != gfx::SurfaceFormat::NV12 &&
mFormat != gfx::SurfaceFormat::P010 &&
mFormat != gfx::SurfaceFormat::P016) ||
(mSize.width % 2 == 0 && mSize.height % 2 == 0));
MOZ_ASSERT((aHandle && aGpuProcessTextureId.isNothing()) ||
(!aHandle && aGpuProcessTextureId.isSome()));
}
RenderDXGITextureHost::~RenderDXGITextureHost() {
MOZ_COUNT_DTOR_INHERITED(RenderDXGITextureHost, RenderTextureHost);
DeleteTextureHandle();
}
RefPtr<ID3D11Query> RenderDXGITextureHost::GetQuery() {
if (mGpuProcessQueryId.isNothing()) {
return nullptr;
}
auto* queryMap = layers::GpuProcessD3D11QueryMap::Get();
if (!queryMap) {
return nullptr;
}
auto query = queryMap->GetQuery(mGpuProcessQueryId.ref());
if (!query) {
gfxCriticalNoteOnce << "Failed to get ID3D11Query";
}
return query;
}
ID3D11Texture2D* RenderDXGITextureHost::GetD3D11Texture2DWithGL() {
if (mTexture) {
return mTexture;
}
if (!mGL) {
// SingletonGL is always used on Windows with ANGLE.
mGL = RenderThread::Get()->SingletonGL();
}
if (!EnsureD3D11Texture2DWithGL()) {
return nullptr;
}
return mTexture;
}
size_t RenderDXGITextureHost::GetPlaneCount() const {
if (mFormat == gfx::SurfaceFormat::NV12 ||
mFormat == gfx::SurfaceFormat::P010 ||
mFormat == gfx::SurfaceFormat::P016) {
return 2;
}
return 1;
}
template <typename T>
static bool MapTexture(T* aHost, RenderCompositor* aCompositor,
RefPtr<ID3D11Texture2D>& aTexture,
RefPtr<ID3D11DeviceContext>& aDeviceContext,
RefPtr<ID3D11Texture2D>& aCpuTexture,
D3D11_MAPPED_SUBRESOURCE& aMappedSubresource) {
if (!aCompositor) {
return false;
}
RenderCompositorD3D11SWGL* compositor =
aCompositor->AsRenderCompositorD3D11SWGL();
if (!compositor) {
return false;
}
if (!aHost->EnsureD3D11Texture2D(compositor->GetDevice())) {
return false;
}
if (!aHost->LockInternal()) {
return false;
}
D3D11_TEXTURE2D_DESC textureDesc = {0};
aTexture->GetDesc(&textureDesc);
compositor->GetDevice()->GetImmediateContext(getter_AddRefs(aDeviceContext));
textureDesc.CPUAccessFlags = D3D11_CPU_ACCESS_READ;
textureDesc.Usage = D3D11_USAGE_STAGING;
textureDesc.BindFlags = 0;
textureDesc.MiscFlags = 0;
textureDesc.MipLevels = 1;
HRESULT hr = compositor->GetDevice()->CreateTexture2D(
&textureDesc, nullptr, getter_AddRefs(aCpuTexture));
if (FAILED(hr)) {
return false;
}
aDeviceContext->CopyResource(aCpuTexture, aTexture);
aHost->Unlock();
hr = aDeviceContext->Map(aCpuTexture, 0, D3D11_MAP_READ, 0,
&aMappedSubresource);
return SUCCEEDED(hr);
}
bool RenderDXGITextureHost::MapPlane(RenderCompositor* aCompositor,
uint8_t aChannelIndex,
PlaneInfo& aPlaneInfo) {
// TODO: We currently readback from the GPU texture into a new
// staging texture every time this is mapped. We might be better
// off retaining the mapped memory to trade performance for memory
// usage.
if (!mCpuTexture && !MapTexture(this, aCompositor, mTexture, mDeviceContext,
mCpuTexture, mMappedSubresource)) {
return false;
}
aPlaneInfo.mSize = GetSize(aChannelIndex);
aPlaneInfo.mStride = mMappedSubresource.RowPitch;
aPlaneInfo.mData = mMappedSubresource.pData;
// If this is the second plane, then offset the data pointer by the
// size of the first plane.
if (aChannelIndex == 1) {
aPlaneInfo.mData =
(uint8_t*)aPlaneInfo.mData + aPlaneInfo.mStride * GetSize(0).height;
}
return true;
}
void RenderDXGITextureHost::UnmapPlanes() {
mMappedSubresource.pData = nullptr;
if (mCpuTexture) {
mDeviceContext->Unmap(mCpuTexture, 0);
mCpuTexture = nullptr;
}
mDeviceContext = nullptr;
}
bool RenderDXGITextureHost::EnsureD3D11Texture2DWithGL() {
if (mTexture) {
return true;
}
const auto& gle = gl::GLContextEGL::Cast(mGL);
const auto& egl = gle->mEgl;
// Fetch the D3D11 device.
EGLDeviceEXT eglDevice = nullptr;
egl->fQueryDisplayAttribEXT(LOCAL_EGL_DEVICE_EXT, (EGLAttrib*)&eglDevice);
MOZ_ASSERT(eglDevice);
ID3D11Device* device = nullptr;
egl->mLib->fQueryDeviceAttribEXT(eglDevice, LOCAL_EGL_D3D11_DEVICE_ANGLE,
(EGLAttrib*)&device);
// There's a chance this might fail if we end up on d3d9 angle for some
// reason.
if (!device) {
gfxCriticalNote << "RenderDXGITextureHost device is not available";
return false;
}
return EnsureD3D11Texture2D(device);
}
bool RenderDXGITextureHost::EnsureD3D11Texture2D(ID3D11Device* aDevice) {
if (mTexture) {
RefPtr<ID3D11Device> device;
mTexture->GetDevice(getter_AddRefs(device));
if (aDevice != device) {
gfxCriticalNote << "RenderDXGITextureHost uses obsoleted device";
return false;
}
return true;
}
if (mGpuProcessTextureId.isSome()) {
auto* textureMap = layers::GpuProcessD3D11TextureMap::Get();
if (textureMap) {
RefPtr<ID3D11Texture2D> texture;
textureMap->WaitTextureReady(mGpuProcessTextureId.ref());
mTexture = textureMap->GetTexture(mGpuProcessTextureId.ref());
if (mTexture) {
return true;
} else {
gfxCriticalNote << "GpuProcessTextureId is not valid";
}
}
return false;
}
RefPtr<ID3D11Device1> device1;
aDevice->QueryInterface((ID3D11Device1**)getter_AddRefs(device1));
if (!device1) {
gfxCriticalNoteOnce << "Failed to get ID3D11Device1";
return 0;
}
// Get the D3D11 texture from shared handle.
HRESULT hr = device1->OpenSharedResource1(
(HANDLE)mHandle->GetHandle(), __uuidof(ID3D11Texture2D),
(void**)(ID3D11Texture2D**)getter_AddRefs(mTexture));
if (FAILED(hr)) {
MOZ_ASSERT(false,
"RenderDXGITextureHost::EnsureLockable(): Failed to open shared "
"texture");
gfxCriticalNote
<< "RenderDXGITextureHost Failed to open shared texture, hr="
<< gfx::hexa(hr);
return false;
}
MOZ_ASSERT(mTexture.get());
mTexture->QueryInterface((IDXGIKeyedMutex**)getter_AddRefs(mKeyedMutex));
MOZ_ASSERT(mHasKeyedMutex == !!mKeyedMutex);
if (mHasKeyedMutex != !!mKeyedMutex) {
gfxCriticalNoteOnce << "KeyedMutex mismatch";
}
return true;
}
bool RenderDXGITextureHost::EnsureLockable() {
if (mTextureHandle[0]) {
return true;
}
const auto& gle = gl::GLContextEGL::Cast(mGL);
const auto& egl = gle->mEgl;
// We use EGLStream to get the converted gl handle from d3d texture. The
// NV_stream_consumer_gltexture_yuv and ANGLE_stream_producer_d3d_texture
// could support nv12 and rgb d3d texture format.
if (!egl->IsExtensionSupported(
gl::EGLExtension::NV_stream_consumer_gltexture_yuv) ||
!egl->IsExtensionSupported(
gl::EGLExtension::ANGLE_stream_producer_d3d_texture)) {
gfxCriticalNote << "RenderDXGITextureHost egl extensions are not suppored";
return false;
}
// Get the D3D11 texture from shared handle.
if (!EnsureD3D11Texture2DWithGL()) {
return false;
}
// Create the EGLStream.
mStream = egl->fCreateStreamKHR(nullptr);
MOZ_ASSERT(mStream);
bool ok = true;
if (mFormat != gfx::SurfaceFormat::NV12 &&
mFormat != gfx::SurfaceFormat::P010 &&
mFormat != gfx::SurfaceFormat::P016) {
// The non-nv12 format.
mGL->fGenTextures(1, mTextureHandle);
ActivateBindAndTexParameteri(mGL, LOCAL_GL_TEXTURE0,
LOCAL_GL_TEXTURE_EXTERNAL_OES,
mTextureHandle[0]);
ok &=
bool(egl->fStreamConsumerGLTextureExternalAttribsNV(mStream, nullptr));
ok &= bool(egl->fCreateStreamProducerD3DTextureANGLE(mStream, nullptr));
} else {
// The nv12/p016 format.
// Setup the NV12 stream consumer/producer.
EGLAttrib consumerAttributes[] = {
LOCAL_EGL_COLOR_BUFFER_TYPE,
LOCAL_EGL_YUV_BUFFER_EXT,
LOCAL_EGL_YUV_NUMBER_OF_PLANES_EXT,
2,
LOCAL_EGL_YUV_PLANE0_TEXTURE_UNIT_NV,
0,
LOCAL_EGL_YUV_PLANE1_TEXTURE_UNIT_NV,
1,
LOCAL_EGL_NONE,
};
mGL->fGenTextures(2, mTextureHandle);
ActivateBindAndTexParameteri(mGL, LOCAL_GL_TEXTURE0,
LOCAL_GL_TEXTURE_EXTERNAL_OES,
mTextureHandle[0]);
ActivateBindAndTexParameteri(mGL, LOCAL_GL_TEXTURE1,
LOCAL_GL_TEXTURE_EXTERNAL_OES,
mTextureHandle[1]);
ok &= bool(egl->fStreamConsumerGLTextureExternalAttribsNV(
mStream, consumerAttributes));
ok &= bool(egl->fCreateStreamProducerD3DTextureANGLE(mStream, nullptr));
}
const EGLAttrib frameAttributes[] = {
LOCAL_EGL_D3D_TEXTURE_SUBRESOURCE_ID_ANGLE,
static_cast<EGLAttrib>(mArrayIndex),
LOCAL_EGL_NONE,
};
// Insert the d3d texture.
ok &= bool(egl->fStreamPostD3DTextureANGLE(mStream, (void*)mTexture.get(),
frameAttributes));
if (!ok) {
gfxCriticalNote << "RenderDXGITextureHost init stream failed";
DeleteTextureHandle();
return false;
}
// Now, we could get the gl handle from the stream.
MOZ_ALWAYS_TRUE(egl->fStreamConsumerAcquireKHR(mStream));
return true;
}
wr::WrExternalImage RenderDXGITextureHost::Lock(uint8_t aChannelIndex,
gl::GLContext* aGL) {
if (mGL.get() != aGL) {
// Release the texture handle in the previous gl context.
DeleteTextureHandle();
mGL = aGL;
}
if (!mGL) {
// XXX Software WebRender is not handled yet.
// Software WebRender does not provide GLContext
gfxCriticalNoteOnce
<< "Software WebRender is not suppored by RenderDXGITextureHost.";
return InvalidToWrExternalImage();
}
if (!EnsureLockable()) {
return InvalidToWrExternalImage();
}
if (!LockInternal()) {
return InvalidToWrExternalImage();
}
const auto uvs = GetUvCoords(GetSize(aChannelIndex));
return NativeTextureToWrExternalImage(GetGLHandle(aChannelIndex), uvs.first.x,
uvs.first.y, uvs.second.x,
uvs.second.y);
}
bool RenderDXGITextureHost::LockInternal() {
if (!mLocked) {
if (mAcquireFenceInfo.mFenceHandle) {
if (!mAcquireFence) {
mAcquireFence = layers::FenceD3D11::CreateFromHandle(
mAcquireFenceInfo.mFenceHandle);
}
if (mAcquireFence) {
MOZ_ASSERT(mAcquireFenceInfo.mFenceHandle == mAcquireFence->mHandle);
mAcquireFence->Update(mAcquireFenceInfo.mFenceValue);
RefPtr<ID3D11Device> d3d11Device =
gfx::DeviceManagerDx::Get()->GetCompositorDevice();
mAcquireFence->Wait(d3d11Device);
}
}
if (mKeyedMutex) {
HRESULT hr = mKeyedMutex->AcquireSync(0, 10000);
if (hr != S_OK) {
gfxCriticalError() << "RenderDXGITextureHost AcquireSync timeout, hr="
<< gfx::hexa(hr);
return false;
}
}
mLocked = true;
}
return true;
}
void RenderDXGITextureHost::Unlock() {
if (mLocked) {
if (mKeyedMutex) {
mKeyedMutex->ReleaseSync(0);
}
mLocked = false;
}
}
void RenderDXGITextureHost::ClearCachedResources() {
DeleteTextureHandle();
mGL = nullptr;
}
void RenderDXGITextureHost::DeleteTextureHandle() {
if (mTextureHandle[0] == 0) {
return;
}
MOZ_ASSERT(mGL.get());
if (!mGL) {
return;
}
if (mGL->MakeCurrent()) {
mGL->fDeleteTextures(2, mTextureHandle);
const auto& gle = gl::GLContextEGL::Cast(mGL);
const auto& egl = gle->mEgl;
if (mSurface) {
egl->fDestroySurface(mSurface);
}
if (mStream) {
egl->fDestroyStreamKHR(mStream);
}
}
for (int i = 0; i < 2; ++i) {
mTextureHandle[i] = 0;
}
mTexture = nullptr;
mKeyedMutex = nullptr;
mSurface = 0;
mStream = 0;
}
GLuint RenderDXGITextureHost::GetGLHandle(uint8_t aChannelIndex) const {
MOZ_ASSERT(((mFormat == gfx::SurfaceFormat::NV12 ||
mFormat == gfx::SurfaceFormat::P010 ||
mFormat == gfx::SurfaceFormat::P016) &&
aChannelIndex < 2) ||
aChannelIndex < 1);
return mTextureHandle[aChannelIndex];
}
gfx::IntSize RenderDXGITextureHost::GetSize(uint8_t aChannelIndex) const {
MOZ_ASSERT(((mFormat == gfx::SurfaceFormat::NV12 ||
mFormat == gfx::SurfaceFormat::P010 ||
mFormat == gfx::SurfaceFormat::P016) &&
aChannelIndex < 2) ||
aChannelIndex < 1);
if (aChannelIndex == 0) {
return mSize;
} else {
// The CbCr channel size is a half of Y channel size in NV12 format.
return mSize / 2;
}
}
bool RenderDXGITextureHost::SyncObjectNeeded() {
return mGpuProcessTextureId.isNothing() && !mHasKeyedMutex &&
!mAcquireFenceInfo.mFenceHandle;
}
RenderDXGIYCbCrTextureHost::RenderDXGIYCbCrTextureHost(
RefPtr<gfx::FileHandleWrapper> (&aHandles)[3],
gfx::YUVColorSpace aYUVColorSpace, gfx::ColorDepth aColorDepth,
gfx::ColorRange aColorRange, gfx::IntSize aSizeY, gfx::IntSize aSizeCbCr)
: mHandles{aHandles[0], aHandles[1], aHandles[2]},
mSurfaces{0},
mStreams{0},
mTextureHandles{0},
mYUVColorSpace(aYUVColorSpace),
mColorDepth(aColorDepth),
mColorRange(aColorRange),
mSizeY(aSizeY),
mSizeCbCr(aSizeCbCr),
mLocked(false) {
MOZ_COUNT_CTOR_INHERITED(RenderDXGIYCbCrTextureHost, RenderTextureHost);
// Assume the chroma planes are rounded up if the luma plane is odd sized.
MOZ_ASSERT((mSizeCbCr.width == mSizeY.width ||
mSizeCbCr.width == (mSizeY.width + 1) >> 1) &&
(mSizeCbCr.height == mSizeY.height ||
mSizeCbCr.height == (mSizeY.height + 1) >> 1));
MOZ_ASSERT(aHandles[0] && aHandles[1] && aHandles[2]);
}
bool RenderDXGIYCbCrTextureHost::MapPlane(RenderCompositor* aCompositor,
uint8_t aChannelIndex,
PlaneInfo& aPlaneInfo) {
D3D11_MAPPED_SUBRESOURCE mappedSubresource;
if (!MapTexture(this, aCompositor, mTextures[aChannelIndex], mDeviceContext,
mCpuTexture[aChannelIndex], mappedSubresource)) {
return false;
}
aPlaneInfo.mSize = GetSize(aChannelIndex);
aPlaneInfo.mStride = mappedSubresource.RowPitch;
aPlaneInfo.mData = mappedSubresource.pData;
return true;
}
void RenderDXGIYCbCrTextureHost::UnmapPlanes() {
for (uint32_t i = 0; i < 3; i++) {
if (mCpuTexture[i]) {
mDeviceContext->Unmap(mCpuTexture[i], 0);
mCpuTexture[i] = nullptr;
}
}
mDeviceContext = nullptr;
}
RenderDXGIYCbCrTextureHost::~RenderDXGIYCbCrTextureHost() {
MOZ_COUNT_DTOR_INHERITED(RenderDXGIYCbCrTextureHost, RenderTextureHost);
DeleteTextureHandle();
}
bool RenderDXGIYCbCrTextureHost::EnsureLockable() {
if (mTextureHandles[0]) {
return true;
}
const auto& gle = gl::GLContextEGL::Cast(mGL);
const auto& egl = gle->mEgl;
// The eglCreatePbufferFromClientBuffer doesn't support R8 format, so we
// use EGLStream to get the converted gl handle from d3d R8 texture.
if (!egl->IsExtensionSupported(
gl::EGLExtension::NV_stream_consumer_gltexture_yuv) ||
!egl->IsExtensionSupported(
gl::EGLExtension::ANGLE_stream_producer_d3d_texture)) {
gfxCriticalNote
<< "RenderDXGIYCbCrTextureHost egl extensions are not suppored";
return false;
}
// Fetch the D3D11 device.
EGLDeviceEXT eglDevice = nullptr;
egl->fQueryDisplayAttribEXT(LOCAL_EGL_DEVICE_EXT, (EGLAttrib*)&eglDevice);
MOZ_ASSERT(eglDevice);
ID3D11Device* device = nullptr;
egl->mLib->fQueryDeviceAttribEXT(eglDevice, LOCAL_EGL_D3D11_DEVICE_ANGLE,
(EGLAttrib*)&device);
// There's a chance this might fail if we end up on d3d9 angle for some
// reason.
if (!device) {
gfxCriticalNote << "RenderDXGIYCbCrTextureHost device is not available";
return false;
}
if (!EnsureD3D11Texture2D(device)) {
return false;
}
mGL->fGenTextures(3, mTextureHandles);
bool ok = true;
for (int i = 0; i < 3; ++i) {
ActivateBindAndTexParameteri(mGL, LOCAL_GL_TEXTURE0 + i,
LOCAL_GL_TEXTURE_EXTERNAL_OES,
mTextureHandles[i]);
// Create the EGLStream.
mStreams[i] = egl->fCreateStreamKHR(nullptr);
MOZ_ASSERT(mStreams[i]);
ok &= bool(
egl->fStreamConsumerGLTextureExternalAttribsNV(mStreams[i], nullptr));
ok &= bool(egl->fCreateStreamProducerD3DTextureANGLE(mStreams[i], nullptr));
// Insert the R8 texture.
ok &= bool(egl->fStreamPostD3DTextureANGLE(
mStreams[i], (void*)mTextures[i].get(), nullptr));
// Now, we could get the R8 gl handle from the stream.
MOZ_ALWAYS_TRUE(egl->fStreamConsumerAcquireKHR(mStreams[i]));
}
if (!ok) {
gfxCriticalNote << "RenderDXGIYCbCrTextureHost init stream failed";
DeleteTextureHandle();
return false;
}
return true;
}
bool RenderDXGIYCbCrTextureHost::EnsureD3D11Texture2D(ID3D11Device* aDevice) {
RefPtr<ID3D11Device1> device1;
aDevice->QueryInterface((ID3D11Device1**)getter_AddRefs(device1));
if (!device1) {
gfxCriticalNoteOnce << "Failed to get ID3D11Device1";
return false;
}
if (mTextures[0]) {
RefPtr<ID3D11Device> device;
mTextures[0]->GetDevice(getter_AddRefs(device));
if (aDevice != device) {
gfxCriticalNote << "RenderDXGIYCbCrTextureHost uses obsoleted device";
return false;
}
}
if (mTextureHandles[0]) {
return true;
}
for (int i = 0; i < 3; ++i) {
// Get the R8 D3D11 texture from shared handle.
HRESULT hr = device1->OpenSharedResource1(
(HANDLE)mHandles[i]->GetHandle(), __uuidof(ID3D11Texture2D),
(void**)(ID3D11Texture2D**)getter_AddRefs(mTextures[i]));
if (FAILED(hr)) {
NS_WARNING(
"RenderDXGIYCbCrTextureHost::EnsureLockable(): Failed to open "
"shared "
"texture");
gfxCriticalNote
<< "RenderDXGIYCbCrTextureHost Failed to open shared texture, hr="
<< gfx::hexa(hr);
return false;
}
}
for (int i = 0; i < 3; ++i) {
mTextures[i]->QueryInterface(
(IDXGIKeyedMutex**)getter_AddRefs(mKeyedMutexs[i]));
}
return true;
}
bool RenderDXGIYCbCrTextureHost::LockInternal() {
if (!mLocked) {
if (mKeyedMutexs[0]) {
for (const auto& mutex : mKeyedMutexs) {
HRESULT hr = mutex->AcquireSync(0, 10000);
if (hr != S_OK) {
gfxCriticalError()
<< "RenderDXGIYCbCrTextureHost AcquireSync timeout, hr="
<< gfx::hexa(hr);
return false;
}
}
}
mLocked = true;
}
return true;
}
wr::WrExternalImage RenderDXGIYCbCrTextureHost::Lock(uint8_t aChannelIndex,
gl::GLContext* aGL) {
if (mGL.get() != aGL) {
// Release the texture handle in the previous gl context.
DeleteTextureHandle();
mGL = aGL;
}
if (!mGL) {
// XXX Software WebRender is not handled yet.
// Software WebRender does not provide GLContext
gfxCriticalNoteOnce << "Software WebRender is not suppored by "
"RenderDXGIYCbCrTextureHost.";
return InvalidToWrExternalImage();
}
if (!EnsureLockable()) {
return InvalidToWrExternalImage();
}
if (!LockInternal()) {
return InvalidToWrExternalImage();
}
const auto uvs = GetUvCoords(GetSize(aChannelIndex));
return NativeTextureToWrExternalImage(GetGLHandle(aChannelIndex), uvs.first.x,
uvs.first.y, uvs.second.x,
uvs.second.y);
}
void RenderDXGIYCbCrTextureHost::Unlock() {
if (mLocked) {
if (mKeyedMutexs[0]) {
for (const auto& mutex : mKeyedMutexs) {
mutex->ReleaseSync(0);
}
}
mLocked = false;
}
}
void RenderDXGIYCbCrTextureHost::ClearCachedResources() {
DeleteTextureHandle();
mGL = nullptr;
}
GLuint RenderDXGIYCbCrTextureHost::GetGLHandle(uint8_t aChannelIndex) const {
MOZ_ASSERT(aChannelIndex < 3);
return mTextureHandles[aChannelIndex];
}
gfx::IntSize RenderDXGIYCbCrTextureHost::GetSize(uint8_t aChannelIndex) const {
MOZ_ASSERT(aChannelIndex < 3);
if (aChannelIndex == 0) {
return mSizeY;
} else {
return mSizeCbCr;
}
}
void RenderDXGIYCbCrTextureHost::DeleteTextureHandle() {
if (mTextureHandles[0] == 0) {
return;
}
MOZ_ASSERT(mGL.get());
if (!mGL) {
return;
}
if (mGL->MakeCurrent()) {
mGL->fDeleteTextures(3, mTextureHandles);
const auto& gle = gl::GLContextEGL::Cast(mGL);
const auto& egl = gle->mEgl;
for (int i = 0; i < 3; ++i) {
mTextureHandles[i] = 0;
mTextures[i] = nullptr;
mKeyedMutexs[i] = nullptr;
if (mSurfaces[i]) {
egl->fDestroySurface(mSurfaces[i]);
mSurfaces[i] = 0;
}
if (mStreams[i]) {
egl->fDestroyStreamKHR(mStreams[i]);
mStreams[i] = 0;
}
}
}
}
} // namespace wr
} // namespace mozilla