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62 lines
1.4 KiB
C++
62 lines
1.4 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef SHAREDRGBIMAGE_H_
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#define SHAREDRGBIMAGE_H_
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#include "ImageContainer.h"
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namespace mozilla {
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namespace ipc {
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class Shmem;
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}
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namespace layers {
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class ImageContainerChild;
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class SharedImage;
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/**
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* Stores RGB data in shared memory
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* It is assumed that the image width and stride are equal
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*/
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class SharedRGBImage : public Image
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{
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typedef gfxASurface::gfxImageFormat gfxImageFormat;
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public:
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struct Header {
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gfxImageFormat mImageFormat;
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};
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SharedRGBImage(ImageContainerChild *aImageContainerChild);
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~SharedRGBImage();
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static already_AddRefed<SharedRGBImage> Create(ImageContainer *aImageContainer,
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nsIntSize aSize,
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gfxImageFormat aImageFormat);
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uint8_t *GetBuffer();
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gfxIntSize GetSize();
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size_t GetBufferSize();
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static uint8_t BytesPerPixel(gfxImageFormat aImageFormat);
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already_AddRefed<gfxASurface> GetAsSurface();
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SharedImage *ToSharedImage();
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private:
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bool AllocateBuffer(nsIntSize aSize, gfxImageFormat aImageFormat);
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gfxIntSize mSize;
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gfxImageFormat mImageFormat;
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ImageContainerChild *mImageContainerChild;
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bool mAllocated;
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ipc::Shmem *mShmem;
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};
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} // namespace layers
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} // namespace mozilla
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#endif
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