already_AddRefed<gfxPattern>
BasicImageLayer::GetAndPaintCurrentImage(gfxContext* aContext,
float aOpacity,
Layer* aMaskLayer)
{
if (!mContainer)
return nullptr;
mContainer->SetImageFactory(mManager->IsCompositingCheap() ? nullptr : BasicManager()->GetImageFactory());
nsRefPtr<gfxASurface> surface;
AutoLockImage autoLock(mContainer, getter_AddRefs(surface));
Image *image = autoLock.GetImage();
gfx::IntSize size = mSize = autoLock.GetSize();
if (!surface || surface->CairoStatus()) {
return nullptr;
}
nsRefPtr<gfxPattern> pat = new gfxPattern(surface);
if (!pat) {
return nullptr;
}
pat->SetFilter(mFilter);
// The visible region can extend outside the image, so just draw
// within the image bounds.
if (aContext) {
gfxContext::GraphicsOperator mixBlendMode = GetEffectiveMixBlendMode();
AutoSetOperator setOptimizedOperator(aContext, mixBlendMode != gfxContext::OPERATOR_OVER ? mixBlendMode : GetOperator());
PaintContext(pat,
nsIntRegion(nsIntRect(0, 0, size.width, size.height)),
aOpacity, aContext, aMaskLayer);
GetContainer()->NotifyPaintedImage(image);
}
return pat.forget();
}
bool AutoLockShmemClient::Update(Image* aImage,
uint32_t aContentFlags,
gfxPattern* pat)
{
nsRefPtr<gfxASurface> surface = pat->GetSurface();
if (!aImage) {
return false;
}
nsRefPtr<gfxPattern> pattern = pat ? pat : new gfxPattern(surface);
gfxIntSize size = aImage->GetSize();
gfxASurface::gfxContentType contentType = gfxASurface::CONTENT_COLOR_ALPHA;
bool isOpaque = (aContentFlags & Layer::CONTENT_OPAQUE);
if (surface) {
contentType = surface->GetContentType();
}
if (contentType != gfxASurface::CONTENT_ALPHA &&
isOpaque) {
contentType = gfxASurface::CONTENT_COLOR;
}
mTextureClient->EnsureAllocated(gfx::IntSize(size.width, size.height), contentType);
OpenMode mode = mTextureClient->GetAccessMode() == TextureClient::ACCESS_READ_WRITE
? OPEN_READ_WRITE
: OPEN_READ_ONLY;
nsRefPtr<gfxASurface> tmpASurface =
ShadowLayerForwarder::OpenDescriptor(mode,
*mTextureClient->LockSurfaceDescriptor());
if (!tmpASurface) {
return false;
}
nsRefPtr<gfxContext> tmpCtx = new gfxContext(tmpASurface.get());
tmpCtx->SetOperator(gfxContext::OPERATOR_SOURCE);
PaintContext(pat,
nsIntRegion(nsIntRect(0, 0, size.width, size.height)),
1.0, tmpCtx, nullptr);
return true;
}
