void
TextureImageTextureSourceOGL::EnsureBuffer(const nsIntSize& aSize,
gfxContentType aContentType)
{
if (!mTexImage ||
mTexImage->GetSize() != aSize.ToIntSize() ||
mTexImage->GetContentType() != aContentType) {
mTexImage = CreateTextureImage(mCompositor->gl(),
aSize.ToIntSize(),
aContentType,
LOCAL_GL_CLAMP_TO_EDGE,
FlagsToGLFlags(mFlags));
}
mTexImage->Resize(aSize.ToIntSize());
}
void
TextureImageTextureSourceOGL::EnsureBuffer(const nsIntSize& aSize,
gfxContentType aContentType)
{
if (!mTexImage ||
mTexImage->GetSize() != aSize.ToIntSize() ||
mTexImage->GetContentType() != aContentType) {
mTexImage = CreateTextureImage(mGL,
aSize.ToIntSize(),
aContentType,
WrapMode(mGL, mFlags & TEXTURE_ALLOW_REPEAT),
FlagsToGLFlags(mFlags));
}
mTexImage->Resize(aSize.ToIntSize());
}
DynamicImage::Draw(gfxContext* aContext,
const nsIntSize& aSize,
const ImageRegion& aRegion,
uint32_t aWhichFrame,
GraphicsFilter aFilter,
const Maybe<SVGImageContext>& aSVGContext,
uint32_t aFlags)
{
MOZ_ASSERT(!aSize.IsEmpty(), "Unexpected empty size");
gfxIntSize drawableSize(mDrawable->Size());
if (aSize == drawableSize) {
gfxUtils::DrawPixelSnapped(aContext, mDrawable, drawableSize, aRegion,
SurfaceFormat::B8G8R8A8, aFilter);
return DrawResult::SUCCESS;
}
gfxSize scale(double(aSize.width) / drawableSize.width,
double(aSize.height) / drawableSize.height);
ImageRegion region(aRegion);
region.Scale(1.0 / scale.width, 1.0 / scale.height);
gfxContextMatrixAutoSaveRestore saveMatrix(aContext);
aContext->Multiply(gfxMatrix::Scaling(scale.width, scale.height));
gfxUtils::DrawPixelSnapped(aContext, mDrawable, drawableSize, region,
SurfaceFormat::B8G8R8A8, aFilter);
return DrawResult::SUCCESS;
}
already_AddRefed<Image>
CreateSharedRGBImage(ImageContainer *aImageContainer,
nsIntSize aSize,
gfxImageFormat aImageFormat)
{
NS_ASSERTION(aImageFormat == gfxImageFormatARGB32 ||
aImageFormat == gfxImageFormatRGB24 ||
aImageFormat == gfxImageFormatRGB16_565,
"RGB formats supported only");
if (!aImageContainer) {
NS_WARNING("No ImageContainer to allocate DeprecatedSharedRGBImage");
return nullptr;
}
ImageFormat format = SHARED_RGB;
nsRefPtr<Image> image = aImageContainer->CreateImage(&format, 1);
if (!image) {
NS_WARNING("Failed to create DeprecatedSharedRGBImage");
return nullptr;
}
if (gfxPlatform::GetPlatform()->UseDeprecatedTextures()) {
nsRefPtr<DeprecatedSharedRGBImage> rgbImageDep = static_cast<DeprecatedSharedRGBImage*>(image.get());
rgbImageDep->mSize = aSize.ToIntSize();
rgbImageDep->mImageFormat = aImageFormat;
if (!rgbImageDep->AllocateBuffer(aSize, aImageFormat)) {
NS_WARNING("Failed to allocate shared memory for DeprecatedSharedRGBImage");
return nullptr;
}
return rgbImageDep.forget();
}
nsRefPtr<SharedRGBImage> rgbImage = static_cast<SharedRGBImage*>(image.get());
if (!rgbImage->Allocate(gfx::ToIntSize(aSize),
gfx::ImageFormatToSurfaceFormat(aImageFormat))) {
NS_WARNING("Failed to allocate a shared image");
return nullptr;
}
return image.forget();
}
/* static */
nsresult
ImageEncoder::ExtractDataInternal(const nsAString& aType,
const nsAString& aOptions,
uint8_t* aImageBuffer,
int32_t aFormat,
const nsIntSize aSize,
layers::Image* aImage,
nsICanvasRenderingContextInternal* aContext,
nsIInputStream** aStream,
imgIEncoder* aEncoder)
{
if (aSize.IsEmpty()) {
return NS_ERROR_INVALID_ARG;
}
nsCOMPtr<nsIInputStream> imgStream;
// get image bytes
nsresult rv;
if (aImageBuffer) {
rv = ImageEncoder::GetInputStream(
aSize.width,
aSize.height,
aImageBuffer,
aFormat,
aEncoder,
nsPromiseFlatString(aOptions).get(),
getter_AddRefs(imgStream));
} else if (aContext) {
NS_ConvertUTF16toUTF8 encoderType(aType);
rv = aContext->GetInputStream(encoderType.get(),
nsPromiseFlatString(aOptions).get(),
getter_AddRefs(imgStream));
} else if (aImage) {
// It is safe to convert PlanarYCbCr format from YUV to RGB off-main-thread.
// Other image formats could have problem to convert format off-main-thread.
// So here it uses a help function GetBRGADataSourceSurfaceSync() to convert
// format on main thread.
if (aImage->GetFormat() == ImageFormat::PLANAR_YCBCR) {
nsTArray<uint8_t> data;
layers::PlanarYCbCrImage* ycbcrImage = static_cast<layers::PlanarYCbCrImage*> (aImage);
gfxImageFormat format = gfxImageFormat::ARGB32;
uint32_t stride = GetAlignedStride<16>(aSize.width * 4);
size_t length = BufferSizeFromStrideAndHeight(stride, aSize.height);
data.SetCapacity(length);
gfxUtils::ConvertYCbCrToRGB(*ycbcrImage->GetData(),
format,
aSize,
data.Elements(),
stride);
rv = aEncoder->InitFromData(data.Elements(),
aSize.width * aSize.height * 4,
aSize.width,
aSize.height,
aSize.width * 4,
imgIEncoder::INPUT_FORMAT_HOSTARGB,
aOptions);
} else {
RefPtr<gfx::DataSourceSurface> dataSurface;
dataSurface = GetBRGADataSourceSurfaceSync(aImage);
DataSourceSurface::MappedSurface map;
if (!dataSurface->Map(gfx::DataSourceSurface::MapType::READ, &map)) {
return NS_ERROR_INVALID_ARG;
}
rv = aEncoder->InitFromData(map.mData,
aSize.width * aSize.height * 4,
aSize.width,
aSize.height,
aSize.width * 4,
imgIEncoder::INPUT_FORMAT_HOSTARGB,
aOptions);
dataSurface->Unmap();
}
if (NS_SUCCEEDED(rv)) {
imgStream = do_QueryInterface(aEncoder);
}
} else {
// no context, so we have to encode an empty image
// note that if we didn't have a current context, the spec says we're
// supposed to just return transparent black pixels of the canvas
// dimensions.
RefPtr<DataSourceSurface> emptyCanvas =
Factory::CreateDataSourceSurfaceWithStride(IntSize(aSize.width, aSize.height),
SurfaceFormat::B8G8R8A8,
4 * aSize.width, true);
if (NS_WARN_IF(!emptyCanvas)) {
return NS_ERROR_INVALID_ARG;
}
DataSourceSurface::MappedSurface map;
if (!emptyCanvas->Map(DataSourceSurface::MapType::WRITE, &map)) {
return NS_ERROR_INVALID_ARG;
}
rv = aEncoder->InitFromData(map.mData,
aSize.width * aSize.height * 4,
aSize.width,
aSize.height,
aSize.width * 4,
imgIEncoder::INPUT_FORMAT_HOSTARGB,
aOptions);
emptyCanvas->Unmap();
if (NS_SUCCEEDED(rv)) {
imgStream = do_QueryInterface(aEncoder);
}
}
NS_ENSURE_SUCCESS(rv, rv);
imgStream.forget(aStream);
return rv;
}
RawAccessFrameRef
Decoder::InternalAddFrame(uint32_t aFrameNum,
const nsIntSize& aTargetSize,
const nsIntRect& aFrameRect,
uint32_t aDecodeFlags,
SurfaceFormat aFormat,
uint8_t aPaletteDepth,
imgFrame* aPreviousFrame)
{
MOZ_ASSERT(aFrameNum <= mFrameCount, "Invalid frame index!");
if (aFrameNum > mFrameCount) {
return RawAccessFrameRef();
}
if (aTargetSize.width <= 0 || aTargetSize.height <= 0 ||
aFrameRect.width <= 0 || aFrameRect.height <= 0) {
NS_WARNING("Trying to add frame with zero or negative size");
return RawAccessFrameRef();
}
if (!SurfaceCache::CanHold(aTargetSize.ToIntSize())) {
NS_WARNING("Trying to add frame that's too large for the SurfaceCache");
return RawAccessFrameRef();
}
nsRefPtr<imgFrame> frame = new imgFrame();
bool nonPremult =
aDecodeFlags & imgIContainer::FLAG_DECODE_NO_PREMULTIPLY_ALPHA;
if (NS_FAILED(frame->InitForDecoder(aTargetSize, aFrameRect, aFormat,
aPaletteDepth, nonPremult))) {
NS_WARNING("imgFrame::Init should succeed");
return RawAccessFrameRef();
}
RawAccessFrameRef ref = frame->RawAccessRef();
if (!ref) {
frame->Abort();
return RawAccessFrameRef();
}
InsertOutcome outcome =
SurfaceCache::Insert(frame, ImageKey(mImage.get()),
RasterSurfaceKey(aTargetSize.ToIntSize(),
aDecodeFlags,
aFrameNum),
Lifetime::Persistent);
if (outcome != InsertOutcome::SUCCESS) {
// We either hit InsertOutcome::FAILURE, which is a temporary failure due to
// low memory (we know it's not permanent because we checked CanHold()
// above), or InsertOutcome::FAILURE_ALREADY_PRESENT, which means that
// another decoder beat us to decoding this frame. Either way, we should
// abort this decoder rather than treat this as a real error.
mDecodeAborted = true;
ref->Abort();
return RawAccessFrameRef();
}
nsIntRect refreshArea;
if (aFrameNum == 1) {
MOZ_ASSERT(aPreviousFrame, "Must provide a previous frame when animated");
aPreviousFrame->SetRawAccessOnly();
// If we dispose of the first frame by clearing it, then the first frame's
// refresh area is all of itself.
// RESTORE_PREVIOUS is invalid (assumed to be DISPOSE_CLEAR).
AnimationData previousFrameData = aPreviousFrame->GetAnimationData();
if (previousFrameData.mDisposalMethod == DisposalMethod::CLEAR ||
previousFrameData.mDisposalMethod == DisposalMethod::CLEAR_ALL ||
previousFrameData.mDisposalMethod == DisposalMethod::RESTORE_PREVIOUS) {
refreshArea = previousFrameData.mRect;
}
}
if (aFrameNum > 0) {
ref->SetRawAccessOnly();
// Some GIFs are huge but only have a small area that they animate. We only
// need to refresh that small area when frame 0 comes around again.
refreshArea.UnionRect(refreshArea, frame->GetRect());
}
mFrameCount++;
mImage->OnAddedFrame(mFrameCount, refreshArea);
return ref;
}
/* static */
nsresult
ImageEncoder::ExtractDataInternal(const nsAString& aType,
const nsAString& aOptions,
uint8_t* aImageBuffer,
int32_t aFormat,
const nsIntSize aSize,
nsICanvasRenderingContextInternal* aContext,
nsIInputStream** aStream,
imgIEncoder* aEncoder)
{
if (aSize.IsEmpty()) {
return NS_ERROR_INVALID_ARG;
}
nsCOMPtr<nsIInputStream> imgStream;
// get image bytes
nsresult rv;
if (aImageBuffer) {
rv = ImageEncoder::GetInputStream(
aSize.width,
aSize.height,
aImageBuffer,
aFormat,
aEncoder,
nsPromiseFlatString(aOptions).get(),
getter_AddRefs(imgStream));
} else if (aContext) {
NS_ConvertUTF16toUTF8 encoderType(aType);
rv = aContext->GetInputStream(encoderType.get(),
nsPromiseFlatString(aOptions).get(),
getter_AddRefs(imgStream));
} else {
// no context, so we have to encode an empty image
// note that if we didn't have a current context, the spec says we're
// supposed to just return transparent black pixels of the canvas
// dimensions.
RefPtr<DataSourceSurface> emptyCanvas =
Factory::CreateDataSourceSurfaceWithStride(IntSize(aSize.width, aSize.height),
SurfaceFormat::B8G8R8A8,
4 * aSize.width, true);
if (NS_WARN_IF(!emptyCanvas)) {
return NS_ERROR_INVALID_ARG;
}
DataSourceSurface::MappedSurface map;
if (!emptyCanvas->Map(DataSourceSurface::MapType::WRITE, &map)) {
return NS_ERROR_INVALID_ARG;
}
rv = aEncoder->InitFromData(map.mData,
aSize.width * aSize.height * 4,
aSize.width,
aSize.height,
aSize.width * 4,
imgIEncoder::INPUT_FORMAT_HOSTARGB,
aOptions);
emptyCanvas->Unmap();
if (NS_SUCCEEDED(rv)) {
imgStream = do_QueryInterface(aEncoder);
}
}
NS_ENSURE_SUCCESS(rv, rv);
imgStream.forget(aStream);
return rv;
}
