bool
ContentClientRemoteBuffer::CreateAndAllocateTextureClient(RefPtr<TextureClient>& aClient,
TextureFlags aFlags)
{
// gfx::BackendType::NONE means fallback to the content backend
aClient = CreateTextureClientForDrawing(mSurfaceFormat,
mTextureInfo.mTextureFlags | aFlags,
gfx::BackendType::NONE,
mSize);
if (!aClient) {
return false;
}
if (!aClient->AllocateForSurface(mSize, ALLOC_CLEAR_BUFFER)) {
aClient = CreateTextureClientForDrawing(mSurfaceFormat,
mTextureInfo.mTextureFlags | TEXTURE_ALLOC_FALLBACK | aFlags,
gfx::BackendType::NONE,
mSize);
if (!aClient) {
return false;
}
if (!aClient->AllocateForSurface(mSize, ALLOC_CLEAR_BUFFER)) {
NS_WARNING("Could not allocate texture client");
aClient = nullptr;
return false;
}
}
NS_WARN_IF_FALSE(aClient->IsValid(), "Created an invalid texture client");
return true;
}
already_AddRefed<TextureClient>
CanvasClient2D::CreateTextureClientForCanvas(gfx::SurfaceFormat aFormat,
gfx::IntSize aSize,
TextureFlags aFlags,
ClientCanvasLayer* aLayer)
{
if (aLayer->IsGLLayer()) {
// We want a cairo backend here as we don't want to be copying into
// an accelerated backend and we like LockBits to work. This is currently
// the most effective way to make this work.
return TextureClient::CreateForRawBufferAccess(GetForwarder(),
aFormat, aSize, BackendType::CAIRO,
mTextureFlags | aFlags);
}
#ifdef XP_WIN
return CreateTextureClientForDrawing(aFormat, aSize, BackendSelector::Canvas, aFlags);
#else
// XXX - We should use CreateTextureClientForDrawing, but we first need
// to use double buffering.
gfx::BackendType backend = gfxPlatform::GetPlatform()->GetPreferredCanvasBackend();
return TextureClient::CreateForRawBufferAccess(GetForwarder(),
aFormat, aSize, backend,
mTextureFlags | aFlags);
#endif
}
void
ContentClientRemoteBuffer::CreateBackBuffer(const IntRect& aBufferRect)
{
// gfx::BackendType::NONE means fallback to the content backend
mTextureClient = CreateTextureClientForDrawing(
mSurfaceFormat, mSize, gfx::BackendType::NONE,
mTextureFlags | ExtraTextureFlags(),
TextureAllocationFlags::ALLOC_CLEAR_BUFFER
);
if (!mTextureClient || !AddTextureClient(mTextureClient)) {
AbortTextureClientCreation();
return;
}
if (mTextureFlags & TextureFlags::COMPONENT_ALPHA) {
mTextureClientOnWhite = mTextureClient->CreateSimilar(
mTextureFlags | ExtraTextureFlags(),
TextureAllocationFlags::ALLOC_CLEAR_BUFFER_WHITE
);
if (!mTextureClientOnWhite || !AddTextureClient(mTextureClientOnWhite)) {
AbortTextureClientCreation();
return;
}
}
}
void
CanvasClient2D::Update(gfx::IntSize aSize, ClientCanvasLayer* aLayer)
{
if (mBuffer &&
(mBuffer->IsImmutable() || mBuffer->GetSize() != aSize)) {
GetForwarder()->RemoveTextureFromCompositable(this, mBuffer);
mBuffer = nullptr;
}
bool bufferCreated = false;
if (!mBuffer) {
bool isOpaque = (aLayer->GetContentFlags() & Layer::CONTENT_OPAQUE);
gfxContentType contentType = isOpaque
? gfxContentType::COLOR
: gfxContentType::COLOR_ALPHA;
gfxImageFormat format
= gfxPlatform::GetPlatform()->OptimalFormatForContent(contentType);
TextureFlags flags = TextureFlags::DEFAULT;
if (mTextureFlags & TextureFlags::NEEDS_Y_FLIP) {
flags |= TextureFlags::NEEDS_Y_FLIP;
}
mBuffer = CreateTextureClientForDrawing(gfx::ImageFormatToSurfaceFormat(format),
flags,
gfxPlatform::GetPlatform()->GetPreferredCanvasBackend(),
aSize);
MOZ_ASSERT(mBuffer->CanExposeDrawTarget());
mBuffer->AllocateForSurface(aSize);
bufferCreated = true;
}
if (!mBuffer->Lock(OpenMode::OPEN_WRITE_ONLY)) {
mBuffer = nullptr;
return;
}
bool updated = false;
{
// Restrict drawTarget to a scope so that terminates before Unlock.
RefPtr<DrawTarget> target =
mBuffer->GetAsDrawTarget();
if (target) {
aLayer->UpdateTarget(target);
updated = true;
}
}
mBuffer->Unlock();
if (bufferCreated && !AddTextureClient(mBuffer)) {
mBuffer = nullptr;
return;
}
if (updated) {
GetForwarder()->UpdatedTexture(this, mBuffer, nullptr);
GetForwarder()->UseTexture(this, mBuffer);
}
}
bool
ImageClientSingle::UpdateImageInternal(ImageContainer* aContainer,
uint32_t aContentFlags, bool* aIsSwapped)
{
AutoLockImage autoLock(aContainer);
*aIsSwapped = false;
Image *image = autoLock.GetImage();
if (!image) {
return false;
}
if (mLastPaintedImageSerial == image->GetSerial()) {
return true;
}
if (image->AsSharedImage() && image->AsSharedImage()->GetTextureClient(this)) {
// fast path: no need to allocate and/or copy image data
RefPtr<TextureClient> texture = image->AsSharedImage()->GetTextureClient(this);
if (mFrontBuffer) {
GetForwarder()->RemoveTextureFromCompositable(this, mFrontBuffer);
}
mFrontBuffer = texture;
if (!AddTextureClient(texture)) {
mFrontBuffer = nullptr;
return false;
}
GetForwarder()->UpdatedTexture(this, texture, nullptr);
GetForwarder()->UseTexture(this, texture);
} else if (image->GetFormat() == ImageFormat::PLANAR_YCBCR) {
PlanarYCbCrImage* ycbcr = static_cast<PlanarYCbCrImage*>(image);
const PlanarYCbCrData* data = ycbcr->GetData();
if (!data) {
return false;
}
if (mFrontBuffer && mFrontBuffer->IsImmutable()) {
GetForwarder()->RemoveTextureFromCompositable(this, mFrontBuffer);
mFrontBuffer = nullptr;
}
bool bufferCreated = false;
if (!mFrontBuffer) {
mFrontBuffer = CreateBufferTextureClient(gfx::SurfaceFormat::YUV, TEXTURE_FLAGS_DEFAULT);
gfx::IntSize ySize(data->mYSize.width, data->mYSize.height);
gfx::IntSize cbCrSize(data->mCbCrSize.width, data->mCbCrSize.height);
if (!mFrontBuffer->AsTextureClientYCbCr()->AllocateForYCbCr(ySize, cbCrSize, data->mStereoMode)) {
mFrontBuffer = nullptr;
return false;
}
bufferCreated = true;
}
if (!mFrontBuffer->Lock(OPEN_WRITE_ONLY)) {
return false;
}
bool status = mFrontBuffer->AsTextureClientYCbCr()->UpdateYCbCr(*data);
mFrontBuffer->Unlock();
if (bufferCreated) {
if (!AddTextureClient(mFrontBuffer)) {
mFrontBuffer = nullptr;
return false;
}
}
if (status) {
GetForwarder()->UpdatedTexture(this, mFrontBuffer, nullptr);
GetForwarder()->UseTexture(this, mFrontBuffer);
} else {
MOZ_ASSERT(false);
return false;
}
} else if (image->GetFormat() == ImageFormat::SHARED_TEXTURE) {
SharedTextureImage* sharedImage = static_cast<SharedTextureImage*>(image);
const SharedTextureImage::Data *data = sharedImage->GetData();
gfx::IntSize size = gfx::IntSize(image->GetSize().width, image->GetSize().height);
if (mFrontBuffer) {
GetForwarder()->RemoveTextureFromCompositable(this, mFrontBuffer);
mFrontBuffer = nullptr;
}
RefPtr<SharedTextureClientOGL> buffer = new SharedTextureClientOGL(mTextureFlags);
buffer->InitWith(data->mHandle, size, data->mShareType, data->mInverted);
mFrontBuffer = buffer;
if (!AddTextureClient(mFrontBuffer)) {
mFrontBuffer = nullptr;
return false;
}
GetForwarder()->UseTexture(this, mFrontBuffer);
} else {
RefPtr<gfx::SourceSurface> surface = image->GetAsSourceSurface();
MOZ_ASSERT(surface);
gfx::IntSize size = image->GetSize();
if (mFrontBuffer &&
(mFrontBuffer->IsImmutable() || mFrontBuffer->GetSize() != size)) {
GetForwarder()->RemoveTextureFromCompositable(this, mFrontBuffer);
mFrontBuffer = nullptr;
}
bool bufferCreated = false;
if (!mFrontBuffer) {
gfxImageFormat format
= gfxPlatform::GetPlatform()->OptimalFormatForContent(gfx::ContentForFormat(surface->GetFormat()));
mFrontBuffer = CreateTextureClientForDrawing(gfx::ImageFormatToSurfaceFormat(format),
mTextureFlags, gfx::BackendType::NONE, size);
MOZ_ASSERT(mFrontBuffer->AsTextureClientDrawTarget());
if (!mFrontBuffer->AsTextureClientDrawTarget()->AllocateForSurface(size)) {
mFrontBuffer = nullptr;
return false;
}
bufferCreated = true;
}
if (!mFrontBuffer->Lock(OPEN_WRITE_ONLY)) {
return false;
}
{
// We must not keep a reference to the DrawTarget after it has been unlocked.
RefPtr<DrawTarget> dt = mFrontBuffer->AsTextureClientDrawTarget()->GetAsDrawTarget();
MOZ_ASSERT(surface.get());
dt->CopySurface(surface, IntRect(IntPoint(), surface->GetSize()), IntPoint());
}
mFrontBuffer->Unlock();
if (bufferCreated) {
if (!AddTextureClient(mFrontBuffer)) {
mFrontBuffer = nullptr;
return false;
}
}
GetForwarder()->UpdatedTexture(this, mFrontBuffer, nullptr);
GetForwarder()->UseTexture(this, mFrontBuffer);
}
UpdatePictureRect(image->GetPictureRect());
mLastPaintedImageSerial = image->GetSerial();
aContainer->NotifyPaintedImage(image);
*aIsSwapped = true;
return true;
}