The Tor Browser / file comparison
comparison: gfx/layers/ipc/SharedRGBImage.cpp
gfx/layers/ipc/SharedRGBImage.cpp
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
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| -1:000000000000 | 0:34b02c745adf |
|---|---|
| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 #include "SharedRGBImage.h" | |
| 6 #include "ImageTypes.h" // for ImageFormat::SHARED_RGB, etc | |
| 7 #include "Shmem.h" // for Shmem | |
| 8 #include "gfx2DGlue.h" // for ImageFormatToSurfaceFormat, etc | |
| 9 #include "gfxPlatform.h" // for gfxPlatform, gfxImageFormat | |
| 10 #include "mozilla/layers/ISurfaceAllocator.h" // for ISurfaceAllocator, etc | |
| 11 #include "mozilla/layers/ImageClient.h" // for ImageClient | |
| 12 #include "mozilla/layers/ImageDataSerializer.h" // for ImageDataSerializer | |
| 13 #include "mozilla/layers/LayersSurfaces.h" // for SurfaceDescriptor, etc | |
| 14 #include "mozilla/layers/TextureClient.h" // for BufferTextureClient, etc | |
| 15 #include "mozilla/layers/ImageBridgeChild.h" // for ImageBridgeChild | |
| 16 #include "mozilla/mozalloc.h" // for operator delete, etc | |
| 17 #include "nsAutoPtr.h" // for nsRefPtr | |
| 18 #include "nsDebug.h" // for NS_WARNING, NS_ASSERTION | |
| 19 #include "nsISupportsImpl.h" // for Image::AddRef, etc | |
| 20 #include "nsRect.h" // for nsIntRect | |
| 21 #include "nsSize.h" // for nsIntSize | |
| 22 | |
| 23 // Just big enough for a 1080p RGBA32 frame | |
| 24 #define MAX_FRAME_SIZE (16 * 1024 * 1024) | |
| 25 | |
| 26 namespace mozilla { | |
| 27 namespace layers { | |
| 28 | |
| 29 already_AddRefed<Image> | |
| 30 CreateSharedRGBImage(ImageContainer *aImageContainer, | |
| 31 nsIntSize aSize, | |
| 32 gfxImageFormat aImageFormat) | |
| 33 { | |
| 34 NS_ASSERTION(aImageFormat == gfxImageFormat::ARGB32 || | |
| 35 aImageFormat == gfxImageFormat::RGB24 || | |
| 36 aImageFormat == gfxImageFormat::RGB16_565, | |
| 37 "RGB formats supported only"); | |
| 38 | |
| 39 if (!aImageContainer) { | |
| 40 NS_WARNING("No ImageContainer to allocate SharedRGBImage"); | |
| 41 return nullptr; | |
| 42 } | |
| 43 | |
| 44 nsRefPtr<Image> image = aImageContainer->CreateImage(ImageFormat::SHARED_RGB); | |
| 45 | |
| 46 if (!image) { | |
| 47 NS_WARNING("Failed to create SharedRGBImage"); | |
| 48 return nullptr; | |
| 49 } | |
| 50 | |
| 51 nsRefPtr<SharedRGBImage> rgbImage = static_cast<SharedRGBImage*>(image.get()); | |
| 52 if (!rgbImage->Allocate(gfx::ToIntSize(aSize), | |
| 53 gfx::ImageFormatToSurfaceFormat(aImageFormat))) { | |
| 54 NS_WARNING("Failed to allocate a shared image"); | |
| 55 return nullptr; | |
| 56 } | |
| 57 return image.forget(); | |
| 58 } | |
| 59 | |
| 60 SharedRGBImage::SharedRGBImage(ImageClient* aCompositable) | |
| 61 : Image(nullptr, ImageFormat::SHARED_RGB) | |
| 62 , mCompositable(aCompositable) | |
| 63 { | |
| 64 MOZ_COUNT_CTOR(SharedRGBImage); | |
| 65 } | |
| 66 | |
| 67 SharedRGBImage::~SharedRGBImage() | |
| 68 { | |
| 69 MOZ_COUNT_DTOR(SharedRGBImage); | |
| 70 | |
| 71 if (mCompositable->GetAsyncID() != 0 && | |
| 72 !InImageBridgeChildThread()) { | |
| 73 ImageBridgeChild::DispatchReleaseTextureClient(mTextureClient.forget().drop()); | |
| 74 ImageBridgeChild::DispatchReleaseImageClient(mCompositable.forget().drop()); | |
| 75 } | |
| 76 } | |
| 77 | |
| 78 bool | |
| 79 SharedRGBImage::Allocate(gfx::IntSize aSize, gfx::SurfaceFormat aFormat) | |
| 80 { | |
| 81 mSize = aSize; | |
| 82 mTextureClient = mCompositable->CreateBufferTextureClient(aFormat); | |
| 83 return mTextureClient->AllocateForSurface(aSize); | |
| 84 } | |
| 85 | |
| 86 uint8_t* | |
| 87 SharedRGBImage::GetBuffer() | |
| 88 { | |
| 89 if (!mTextureClient) { | |
| 90 return nullptr; | |
| 91 } | |
| 92 | |
| 93 ImageDataSerializer serializer(mTextureClient->GetBuffer(), mTextureClient->GetBufferSize()); | |
| 94 return serializer.GetData(); | |
| 95 } | |
| 96 | |
| 97 gfx::IntSize | |
| 98 SharedRGBImage::GetSize() | |
| 99 { | |
| 100 return mSize; | |
| 101 } | |
| 102 | |
| 103 size_t | |
| 104 SharedRGBImage::GetBufferSize() | |
| 105 { | |
| 106 return mTextureClient ? mTextureClient->GetBufferSize() | |
| 107 : 0; | |
| 108 } | |
| 109 | |
| 110 TextureClient* | |
| 111 SharedRGBImage::GetTextureClient(CompositableClient* aClient) | |
| 112 { | |
| 113 return mTextureClient.get(); | |
| 114 } | |
| 115 | |
| 116 TemporaryRef<gfx::SourceSurface> | |
| 117 SharedRGBImage::GetAsSourceSurface() | |
| 118 { | |
| 119 return nullptr; | |
| 120 } | |
| 121 | |
| 122 } // namespace layers | |
| 123 } // namespace mozilla |
