gecko/gfx/layers/ImageContainer.cpp

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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* 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
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "ImageContainer.h"
#include <string.h> // for memcpy, memset
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#include "SharedTextureImage.h" // for SharedTextureImage
#include "gfx2DGlue.h"
#include "gfxPlatform.h" // for gfxPlatform
#include "gfxUtils.h" // for gfxUtils
#include "mozilla/RefPtr.h" // for TemporaryRef
#include "mozilla/ipc/CrossProcessMutex.h" // for CrossProcessMutex, etc
#include "mozilla/layers/CompositorTypes.h"
#include "mozilla/layers/ImageBridgeChild.h" // for ImageBridgeChild
#include "mozilla/layers/ImageClient.h" // for ImageClient
#include "nsISupportsUtils.h" // for NS_IF_ADDREF
#include "YCbCrUtils.h" // for YCbCr conversions
#ifdef MOZ_WIDGET_GONK
#include "GrallocImages.h"
#endif
#include "gfx2DGlue.h"
#include "mozilla/gfx/2D.h"
#ifdef XP_MACOSX
#include "mozilla/gfx/QuartzSupport.h"
#include "MacIOSurfaceImage.h"
#endif
#ifdef XP_WIN
#include "gfxD2DSurface.h"
#include "gfxWindowsPlatform.h"
#include <d3d10_1.h>
#include "d3d10/ImageLayerD3D10.h"
#include "D3D9SurfaceImage.h"
#endif
namespace mozilla {
namespace layers {
using namespace mozilla::ipc;
using namespace android;
using namespace mozilla::gfx;
Atomic<int32_t> Image::sSerialCounter(0);
already_AddRefed<Image>
ImageFactory::CreateImage(ImageFormat aFormat,
const gfx::IntSize &,
BufferRecycleBin *aRecycleBin)
{
nsRefPtr<Image> img;
#ifdef MOZ_WIDGET_GONK
if (aFormat == ImageFormat::GRALLOC_PLANAR_YCBCR) {
img = new GrallocImage();
return img.forget();
}
if (aFormat == ImageFormat::OVERLAY_IMAGE) {
img = new OverlayImage();
return img.forget();
}
#endif
if (aFormat == ImageFormat::PLANAR_YCBCR) {
img = new PlanarYCbCrImage(aRecycleBin);
return img.forget();
}
if (aFormat == ImageFormat::CAIRO_SURFACE) {
img = new CairoImage();
return img.forget();
}
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if (aFormat == ImageFormat::SHARED_TEXTURE) {
img = new SharedTextureImage();
return img.forget();
}
#ifdef XP_MACOSX
if (aFormat == ImageFormat::MAC_IOSURFACE) {
img = new MacIOSurfaceImage();
return img.forget();
}
#endif
#ifdef XP_WIN
if (aFormat == ImageFormat::D3D9_RGB32_TEXTURE) {
img = new D3D9SurfaceImage();
return img.forget();
}
#endif
return nullptr;
}
BufferRecycleBin::BufferRecycleBin()
: mLock("mozilla.layers.BufferRecycleBin.mLock")
{
}
void
BufferRecycleBin::RecycleBuffer(uint8_t* aBuffer, uint32_t aSize)
{
MutexAutoLock lock(mLock);
if (!mRecycledBuffers.IsEmpty() && aSize != mRecycledBufferSize) {
mRecycledBuffers.Clear();
}
mRecycledBufferSize = aSize;
mRecycledBuffers.AppendElement(aBuffer);
}
uint8_t*
BufferRecycleBin::GetBuffer(uint32_t aSize)
{
MutexAutoLock lock(mLock);
if (mRecycledBuffers.IsEmpty() || mRecycledBufferSize != aSize)
return new uint8_t[aSize];
uint32_t last = mRecycledBuffers.Length() - 1;
uint8_t* result = mRecycledBuffers[last].forget();
mRecycledBuffers.RemoveElementAt(last);
return result;
}
ImageContainer::ImageContainer(int flag)
: mReentrantMonitor("ImageContainer.mReentrantMonitor"),
mPaintCount(0),
mPreviousImagePainted(false),
mImageFactory(new ImageFactory()),
mRecycleBin(new BufferRecycleBin()),
mRemoteData(nullptr),
mRemoteDataMutex(nullptr),
mCompositionNotifySink(nullptr),
mImageClient(nullptr)
{
if (flag == ENABLE_ASYNC && ImageBridgeChild::IsCreated()) {
// the refcount of this ImageClient is 1. we don't use a RefPtr here because the refcount
// of this class must be done on the ImageBridge thread.
Bug 987311 - 5/6 - Convert the rest of CompositorTypes.h to typed enums, auto regex changes - r=nical find gfx/layers -type f | grep -v CompositorTypes.h | xargs sed -i 's/\(^\|[^A-Za-z0-9_]\)DIAGNOSTIC_\(NONE\|TILE_BORDERS\|LAYER_BORDERS\|BIGIMAGE_BORDERS\|FLASH_BORDERS\)\($\|[^A-Za-z0-9_]\)/\1DiagnosticTypes::\2\3/g' find gfx/layers -type f | grep -v CompositorTypes.h | xargs sed -i 's/DiagnosticTypes\:\:NONE/DiagosticTypes::NO_DIAGNOSTIC/g' find gfx/layers -type f | grep -v CompositorTypes.h | xargs sed -i 's/\(^\|[^A-Za-z0-9_]\)DIAGNOSTIC_\(IMAGE\|CONTENT\|CANVAS\|COLOR\|CONTAINER\|TILE\|BIGIMAGE\|COMPONENT_ALPHA\|REGION_RECT\)\($\|[^A-Za-z0-9_]\)/\1DiagnosticFlags::\2\3/g' find gfx/layers -type f | grep -v CompositorTypes.h | xargs sed -i 's/\(^\|[^A-Za-z0-9_]\)EFFECT_\(MASK\|MAX_SECONDARY\|RGB\|YCBCR\|COMPONENT_ALPHA\|SOLID_COLOR\|RENDER_TARGET\|MAX\)\($\|[^A-Za-z0-9_]\)/\1EffectTypes::\2\3/g' find gfx/layers -type f | grep -v CompositorTypes.h | xargs sed -i 's/\(^\|[^A-Za-z0-9_]\)TEXTURE_\(CONTENT\|SHMEM\|YCBCR\|SHARED_GL\|SHARED_GL_EXTERNAL\|STREAM_GL\|FALLBACK\)\($\|[^A-Za-z0-9_]\)/\1DeprecatedTextureClientType::\2\3/g' find gfx/layers -type f | grep -v CompositorTypes.h | xargs sed -i 's/\(^\|[^A-Za-z0-9_]\)\(BUFFER_UNKNOWN\|BUFFER_IMAGE_SINGLE\|BUFFER_IMAGE_BUFFERED\|BUFFER_BRIDGE\|BUFFER_CONTENT\|BUFFER_CONTENT_DIRECT\|BUFFER_CONTENT_INC\|BUFFER_TILED\|BUFFER_SIMPLE_TILED\|COMPOSITABLE_IMAGE\|COMPOSITABLE_CONTENT_SINGLE\|COMPOSITABLE_CONTENT_DOUBLE\|BUFFER_COUNT\)\($\|[^A-Za-z0-9_]\)/\1CompositableType::\2\3/g' find gfx/layers -type f | grep -v CompositorTypes.h | xargs sed -i 's/CompositableType\:\:COMPOSITABLE_/CompositableType::/g' find gfx/layers -type f | grep -v CompositorTypes.h | xargs sed -i 's/\(^\|[^A-Za-z0-9_]\)TEXTURE_HOST_\(DEFAULT\|TILED\|COPY_PREVIOUS\)\($\|[^A-Za-z0-9_]\)/\1DeprecatedTextureHostFlags::\2\3/g' find gfx/layers -type f | grep -v CompositorTypes.h | xargs sed -i 's/\(^\|[^A-Za-z0-9_]\)Texture\(Front\|Back\|OnWhiteFront\|OnWhiteBack\)\($\|[^A-Za-z0-9_]\)/\1TextureIdentifier::\2\3/g' find gfx/layers -type f | grep -v CompositorTypes.h | xargs sed -i 's/\(^\|[^A-Za-z0-9_]\)\(OPEN_NONE\|OPEN_READ\|OPEN_WRITE\|OPEN_READ_WRITE\|OPEN_READ_ONLY\|OPEN_WRITE_ONLY\)\($\|[^A-Za-z0-9_]\)/\1OpenMode::\2\3/g' find gfx/layers -type f | grep -v CompositorTypes.h | xargs sed -i 's/\(^\|[^A-Za-z0-9_]\)\(MaskNone\|Mask2d\|Mask3d\|NumMaskTypes\)\($\|[^A-Za-z0-9_]\)/\1MaskType::\2\3/g' find gfx -type f | xargs sed -i 's/Diagostic/Diagnostic/g'
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mImageClient = ImageBridgeChild::GetSingleton()->CreateImageClient(CompositableType::BUFFER_IMAGE_SINGLE).drop();
MOZ_ASSERT(mImageClient);
}
}
ImageContainer::~ImageContainer()
{
if (IsAsync()) {
ImageBridgeChild::DispatchReleaseImageClient(mImageClient);
}
}
already_AddRefed<Image>
ImageContainer::CreateImage(ImageFormat aFormat)
{
ReentrantMonitorAutoEnter mon(mReentrantMonitor);
#ifdef MOZ_WIDGET_GONK
if (aFormat == ImageFormat::OVERLAY_IMAGE) {
if (mImageClient && mImageClient->GetTextureInfo().mCompositableType != CompositableType::IMAGE_OVERLAY) {
// If this ImageContainer is async but the image type mismatch, fix it here
if (ImageBridgeChild::IsCreated()) {
ImageBridgeChild::DispatchReleaseImageClient(mImageClient);
mImageClient = ImageBridgeChild::GetSingleton()->CreateImageClient(CompositableType::IMAGE_OVERLAY).drop();
}
}
}
#endif
if (mImageClient) {
nsRefPtr<Image> img = mImageClient->CreateImage(aFormat);
if (img) {
return img.forget();
}
}
return mImageFactory->CreateImage(aFormat, mScaleHint, mRecycleBin);
}
void
ImageContainer::SetCurrentImageInternal(Image *aImage)
{
ReentrantMonitorAutoEnter mon(mReentrantMonitor);
if (mRemoteData) {
NS_ASSERTION(mRemoteDataMutex, "Should have remote data mutex when having remote data!");
mRemoteDataMutex->Lock();
// This is important since it ensures we won't change the active image
// when we currently have a locked image that depends on mRemoteData.
}
mActiveImage = aImage;
CurrentImageChanged();
if (mRemoteData) {
mRemoteDataMutex->Unlock();
}
}
void
ImageContainer::ClearCurrentImage()
{
ReentrantMonitorAutoEnter mon(mReentrantMonitor);
SetCurrentImageInternal(nullptr);
}
void
ImageContainer::SetCurrentImage(Image *aImage)
{
if (!aImage) {
ClearAllImages();
return;
}
ReentrantMonitorAutoEnter mon(mReentrantMonitor);
if (IsAsync()) {
ImageBridgeChild::DispatchImageClientUpdate(mImageClient, this);
}
SetCurrentImageInternal(aImage);
}
void
ImageContainer::ClearAllImages()
{
if (IsAsync()) {
// Let ImageClient release all TextureClients.
ImageBridgeChild::FlushAllImages(mImageClient, this, false);
return;
}
ReentrantMonitorAutoEnter mon(mReentrantMonitor);
SetCurrentImageInternal(nullptr);
}
void
ImageContainer::ClearAllImagesExceptFront()
{
if (IsAsync()) {
// Let ImageClient release all TextureClients except front one.
ImageBridgeChild::FlushAllImages(mImageClient, this, true);
}
}
void
ImageContainer::SetCurrentImageInTransaction(Image *aImage)
{
NS_ASSERTION(NS_IsMainThread(), "Should be on main thread.");
NS_ASSERTION(!mImageClient, "Should use async image transfer with ImageBridge.");
SetCurrentImageInternal(aImage);
}
bool ImageContainer::IsAsync() const {
return mImageClient != nullptr;
}
uint64_t ImageContainer::GetAsyncContainerID() const
{
NS_ASSERTION(IsAsync(),"Shared image ID is only relevant to async ImageContainers");
if (IsAsync()) {
return mImageClient->GetAsyncID();
} else {
return 0; // zero is always an invalid AsyncID
}
}
bool
ImageContainer::HasCurrentImage()
{
ReentrantMonitorAutoEnter mon(mReentrantMonitor);
if (mRemoteData) {
CrossProcessMutexAutoLock autoLock(*mRemoteDataMutex);
EnsureActiveImage();
return !!mActiveImage.get();
}
return !!mActiveImage.get();
}
already_AddRefed<Image>
ImageContainer::LockCurrentImage()
{
ReentrantMonitorAutoEnter mon(mReentrantMonitor);
if (mRemoteData) {
NS_ASSERTION(mRemoteDataMutex, "Should have remote data mutex when having remote data!");
mRemoteDataMutex->Lock();
}
EnsureActiveImage();
nsRefPtr<Image> retval = mActiveImage;
return retval.forget();
}
TemporaryRef<gfx::SourceSurface>
ImageContainer::LockCurrentAsSourceSurface(gfx::IntSize *aSize, Image** aCurrentImage)
{
ReentrantMonitorAutoEnter mon(mReentrantMonitor);
if (mRemoteData) {
NS_ASSERTION(mRemoteDataMutex, "Should have remote data mutex when having remote data!");
mRemoteDataMutex->Lock();
EnsureActiveImage();
if (aCurrentImage) {
NS_IF_ADDREF(mActiveImage);
*aCurrentImage = mActiveImage.get();
}
if (!mActiveImage) {
return nullptr;
}
if (mActiveImage->GetFormat() == ImageFormat::REMOTE_IMAGE_BITMAP) {
gfxImageFormat fmt = mRemoteData->mFormat == RemoteImageData::BGRX32
? gfxImageFormat::ARGB32
: gfxImageFormat::RGB24;
RefPtr<gfx::DataSourceSurface> newSurf
= gfx::Factory::CreateWrappingDataSourceSurface(mRemoteData->mBitmap.mData,
mRemoteData->mBitmap.mStride,
mRemoteData->mSize,
gfx::ImageFormatToSurfaceFormat(fmt));
*aSize = newSurf->GetSize();
return newSurf;
}
*aSize = mActiveImage->GetSize();
return mActiveImage->GetAsSourceSurface();
}
if (aCurrentImage) {
NS_IF_ADDREF(mActiveImage);
*aCurrentImage = mActiveImage.get();
}
if (!mActiveImage) {
return nullptr;
}
*aSize = mActiveImage->GetSize();
return mActiveImage->GetAsSourceSurface();
}
void
ImageContainer::UnlockCurrentImage()
{
if (mRemoteData) {
NS_ASSERTION(mRemoteDataMutex, "Should have remote data mutex when having remote data!");
mRemoteDataMutex->Unlock();
}
}
TemporaryRef<gfx::SourceSurface>
ImageContainer::GetCurrentAsSourceSurface(gfx::IntSize *aSize)
{
ReentrantMonitorAutoEnter mon(mReentrantMonitor);
if (mRemoteData) {
CrossProcessMutexAutoLock autoLock(*mRemoteDataMutex);
EnsureActiveImage();
if (!mActiveImage)
return nullptr;
*aSize = mRemoteData->mSize;
} else {
if (!mActiveImage)
return nullptr;
*aSize = mActiveImage->GetSize();
}
return mActiveImage->GetAsSourceSurface();
}
gfx::IntSize
ImageContainer::GetCurrentSize()
{
ReentrantMonitorAutoEnter mon(mReentrantMonitor);
if (mRemoteData) {
CrossProcessMutexAutoLock autoLock(*mRemoteDataMutex);
// We don't need to ensure we have an active image here, as we need to
// be in the mutex anyway, and this is easiest to return from there.
return mRemoteData->mSize;
}
if (!mActiveImage) {
return gfx::IntSize(0, 0);
}
return mActiveImage->GetSize();
}
void
ImageContainer::SetRemoteImageData(RemoteImageData *aData, CrossProcessMutex *aMutex)
{
ReentrantMonitorAutoEnter mon(mReentrantMonitor);
NS_ASSERTION(!mActiveImage || !aData, "No active image expected when SetRemoteImageData is called with non-NULL aData.");
NS_ASSERTION(!mRemoteData || !aData, "No remote data expected when SetRemoteImageData is called with non-NULL aData.");
mRemoteData = aData;
if (aData) {
memset(aData, 0, sizeof(RemoteImageData));
} else {
mActiveImage = nullptr;
}
mRemoteDataMutex = aMutex;
}
void
ImageContainer::EnsureActiveImage()
{
if (mRemoteData) {
if (mRemoteData->mWasUpdated) {
mActiveImage = nullptr;
}
if (mRemoteData->mType == RemoteImageData::RAW_BITMAP &&
mRemoteData->mBitmap.mData && !mActiveImage) {
nsRefPtr<RemoteBitmapImage> newImg = new RemoteBitmapImage();
newImg->mFormat = mRemoteData->mFormat;
newImg->mData = mRemoteData->mBitmap.mData;
newImg->mSize = mRemoteData->mSize;
newImg->mStride = mRemoteData->mBitmap.mStride;
mRemoteData->mWasUpdated = false;
mActiveImage = newImg;
}
#ifdef XP_WIN
else if (mRemoteData->mType == RemoteImageData::DXGI_TEXTURE_HANDLE &&
mRemoteData->mTextureHandle && !mActiveImage) {
nsRefPtr<RemoteDXGITextureImage> newImg = new RemoteDXGITextureImage();
newImg->mSize = mRemoteData->mSize;
newImg->mHandle = mRemoteData->mTextureHandle;
newImg->mFormat = mRemoteData->mFormat;
mRemoteData->mWasUpdated = false;
mActiveImage = newImg;
}
#endif
}
}
PlanarYCbCrImage::PlanarYCbCrImage(BufferRecycleBin *aRecycleBin)
: Image(nullptr, ImageFormat::PLANAR_YCBCR)
, mBufferSize(0)
, mOffscreenFormat(gfxImageFormat::Unknown)
, mRecycleBin(aRecycleBin)
{
}
PlanarYCbCrImage::~PlanarYCbCrImage()
{
if (mBuffer) {
mRecycleBin->RecycleBuffer(mBuffer.forget(), mBufferSize);
}
}
size_t
PlanarYCbCrImage::SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const
{
// Ignoring:
// - mData - just wraps mBuffer
// - Surfaces should be reported under gfx-surfaces-*:
// - mSourceSurface
// - Base class:
// - mImplData is not used
// Not owned:
// - mRecycleBin
size_t size = mBuffer.SizeOfExcludingThis(aMallocSizeOf);
// Could add in the future:
// - mBackendData (from base class)
return size;
}
uint8_t*
PlanarYCbCrImage::AllocateBuffer(uint32_t aSize)
{
return mRecycleBin->GetBuffer(aSize);
}
static void
CopyPlane(uint8_t *aDst, const uint8_t *aSrc,
const gfx::IntSize &aSize, int32_t aStride, int32_t aSkip)
{
if (!aSkip) {
// Fast path: planar input.
memcpy(aDst, aSrc, aSize.height * aStride);
} else {
int32_t height = aSize.height;
int32_t width = aSize.width;
for (int y = 0; y < height; ++y) {
const uint8_t *src = aSrc;
uint8_t *dst = aDst;
// Slow path
for (int x = 0; x < width; ++x) {
*dst++ = *src++;
src += aSkip;
}
aSrc += aStride;
aDst += aStride;
}
}
}
void
PlanarYCbCrImage::CopyData(const Data& aData)
{
mData = aData;
// update buffer size
size_t size = mData.mCbCrStride * mData.mCbCrSize.height * 2 +
mData.mYStride * mData.mYSize.height;
// get new buffer
mBuffer = AllocateBuffer(size);
if (!mBuffer)
return;
// update buffer size
mBufferSize = size;
mData.mYChannel = mBuffer;
mData.mCbChannel = mData.mYChannel + mData.mYStride * mData.mYSize.height;
mData.mCrChannel = mData.mCbChannel + mData.mCbCrStride * mData.mCbCrSize.height;
CopyPlane(mData.mYChannel, aData.mYChannel,
mData.mYSize, mData.mYStride, mData.mYSkip);
CopyPlane(mData.mCbChannel, aData.mCbChannel,
mData.mCbCrSize, mData.mCbCrStride, mData.mCbSkip);
CopyPlane(mData.mCrChannel, aData.mCrChannel,
mData.mCbCrSize, mData.mCbCrStride, mData.mCrSkip);
mSize = aData.mPicSize;
}
void
PlanarYCbCrImage::SetData(const Data &aData)
{
CopyData(aData);
}
Bug 913872 - Take nested enums out of gfxASurface - 1/3 : automatic changes - r=jrmuizel Generated by these regexes: find . -name '*.h' -o -name '*.cpp' -o -name '*.mm' | grep -v '\.hg' | grep -v '^\.\/obj' | xargs sed -i 's/gfx[A-Za-z0-9_]*Surface\:\:[a-z]*\(\(ImageFormat\|SurfaceType\|ContentType\|MemoryLocation\)[0-9A-Za-z_]*\)/gfx\1/g' find . -name '*.h' -o -name '*.cpp' -o -name '*.mm' | grep -v '\.hg' | grep -v '^\.\/obj' | xargs sed -i 's/gfx[A-Za-z0-9_]*Surface\:\:[a-z]*\(\(CONTENT_\|MEMORY_\)[0-9A-Za-z_]*\)/GFX_\1/g' find . -name '*.h' -o -name '*.cpp' -o -name '*.mm' | grep -v '\.hg' | grep -v '^\.\/obj' | xargs sed -i 's/\(^\|[^A-Za-z0-9_]\)\(CONTENT_COLOR\|CONTENT_ALPHA\|CONTENT_COLOR_ALPHA\|CONTENT_SENTINEL\|MEMORY_IN_PROCESS_HEAP\|MEMORY_IN_PROCESS_NONHEAP\|MEMORY_OUT_OF_PROCESS\)\($\|[^A-Za-z0-9_]\)/\1GFX_\2\3/g' find . -name '*.h' -o -name '*.cpp' -o -name '*.mm' | grep -v '\.hg' | grep -v '^\.\/obj' | xargs sed -i 's/\(^\|[^A-Za-z0-9_]\)\(ImageFormatARGB32\|ImageFormatRGB24\|ImageFormatA8\|ImageFormatA1\|ImageFormatRGB16_565\|ImageFormatUnknown\|SurfaceTypeImage\|SurfaceTypePDF\|SurfaceTypePS\|SurfaceTypeXlib\|SurfaceTypeXcb\|SurfaceTypeGlitz\|SurfaceTypeQuartz\|SurfaceTypeWin32\|SurfaceTypeBeOS\|SurfaceTypeDirectFB\|SurfaceTypeSVG\|SurfaceTypeOS2\|SurfaceTypeWin32Printing\|SurfaceTypeQuartzImage\|SurfaceTypeScript\|SurfaceTypeQPainter\|SurfaceTypeRecording\|SurfaceTypeVG\|SurfaceTypeGL\|SurfaceTypeDRM\|SurfaceTypeTee\|SurfaceTypeXML\|SurfaceTypeSkia\|SurfaceTypeSubsurface\|SurfaceTypeD2D\|SurfaceTypeMax\)\($\|[^A-Za-z0-9_]\)/\1gfx\2\3/g'
2013-09-24 13:45:13 -07:00
gfxImageFormat
PlanarYCbCrImage::GetOffscreenFormat()
{
return mOffscreenFormat == gfxImageFormat::Unknown ?
gfxPlatform::GetPlatform()->GetOffscreenFormat() :
mOffscreenFormat;
}
void
PlanarYCbCrImage::SetDataNoCopy(const Data &aData)
{
mData = aData;
mSize = aData.mPicSize;
}
uint8_t*
PlanarYCbCrImage::AllocateAndGetNewBuffer(uint32_t aSize)
{
// get new buffer
mBuffer = AllocateBuffer(aSize);
if (mBuffer) {
// update buffer size
mBufferSize = aSize;
}
return mBuffer;
}
TemporaryRef<gfx::SourceSurface>
PlanarYCbCrImage::GetAsSourceSurface()
{
if (mSourceSurface) {
return mSourceSurface.get();
}
gfx::IntSize size(mSize);
gfx::SurfaceFormat format = gfx::ImageFormatToSurfaceFormat(GetOffscreenFormat());
gfx::GetYCbCrToRGBDestFormatAndSize(mData, format, size);
if (mSize.width > PlanarYCbCrImage::MAX_DIMENSION ||
mSize.height > PlanarYCbCrImage::MAX_DIMENSION) {
NS_ERROR("Illegal image dest width or height");
return nullptr;
}
RefPtr<gfx::DataSourceSurface> surface = gfx::Factory::CreateDataSourceSurface(size, format);
if (NS_WARN_IF(!surface)) {
return nullptr;
}
gfx::ConvertYCbCrToRGB(mData, format, size, surface->GetData(), surface->Stride());
mSourceSurface = surface;
return surface.forget();
}
TemporaryRef<gfx::SourceSurface>
RemoteBitmapImage::GetAsSourceSurface()
{
gfx::SurfaceFormat fmt = mFormat == RemoteImageData::BGRX32
? gfx::SurfaceFormat::B8G8R8X8
: gfx::SurfaceFormat::B8G8R8A8;
RefPtr<gfx::DataSourceSurface> newSurf = gfx::Factory::CreateDataSourceSurface(mSize, fmt);
if (NS_WARN_IF(!newSurf)) {
return nullptr;
}
for (int y = 0; y < mSize.height; y++) {
memcpy(newSurf->GetData() + newSurf->Stride() * y,
mData + mStride * y,
mSize.width * 4);
}
return newSurf;
}
CairoImage::CairoImage()
: Image(nullptr, ImageFormat::CAIRO_SURFACE)
{}
CairoImage::~CairoImage()
{
}
TextureClient*
CairoImage::GetTextureClient(CompositableClient *aClient)
{
if (!aClient) {
return nullptr;
}
CompositableForwarder* forwarder = aClient->GetForwarder();
RefPtr<TextureClient> textureClient = mTextureClients.Get(forwarder->GetSerial());
if (textureClient) {
return textureClient;
}
RefPtr<SourceSurface> surface = GetAsSourceSurface();
MOZ_ASSERT(surface);
if (!surface) {
return nullptr;
}
// gfx::BackendType::NONE means default to content backend
textureClient = aClient->CreateTextureClientForDrawing(surface->GetFormat(),
surface->GetSize(),
gfx::BackendType::NONE,
TextureFlags::DEFAULT);
if (!textureClient) {
return nullptr;
}
MOZ_ASSERT(textureClient->CanExposeDrawTarget());
if (!textureClient->Lock(OpenMode::OPEN_WRITE_ONLY)) {
return nullptr;
}
TextureClientAutoUnlock autoUnolck(textureClient);
{
// We must not keep a reference to the DrawTarget after it has been unlocked.
DrawTarget* dt = textureClient->BorrowDrawTarget();
if (!dt) {
return nullptr;
}
dt->CopySurface(surface, IntRect(IntPoint(), surface->GetSize()), IntPoint());
}
mTextureClients.Put(forwarder->GetSerial(), textureClient);
return textureClient;
}
} // namespace
2012-08-19 19:39:10 -07:00
} // namespace