mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
134 lines
3.8 KiB
C++
134 lines
3.8 KiB
C++
/* 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/. */
|
|
|
|
#ifndef SHAREDRGBIMAGE_H_
|
|
#define SHAREDRGBIMAGE_H_
|
|
|
|
#include <stddef.h> // for size_t
|
|
#include <stdint.h> // for uint8_t
|
|
#include "ImageContainer.h" // for ISharedImage, Image, etc
|
|
#include "gfxTypes.h"
|
|
#include "gfxPoint.h" // for gfxIntSize
|
|
#include "mozilla/Attributes.h" // for MOZ_OVERRIDE
|
|
#include "mozilla/RefPtr.h" // for RefPtr
|
|
#include "mozilla/gfx/Point.h" // for IntSize
|
|
#include "mozilla/gfx/Types.h" // for SurfaceFormat
|
|
#include "nsCOMPtr.h" // for already_AddRefed
|
|
|
|
class gfxASurface;
|
|
|
|
namespace mozilla {
|
|
namespace ipc {
|
|
class Shmem;
|
|
}
|
|
|
|
namespace layers {
|
|
|
|
class BufferTextureClient;
|
|
class ImageClient;
|
|
class ISurfaceAllocator;
|
|
class TextureClient;
|
|
class SurfaceDescriptor;
|
|
|
|
already_AddRefed<Image> CreateSharedRGBImage(ImageContainer* aImageContainer,
|
|
nsIntSize aSize,
|
|
gfxImageFormat aImageFormat);
|
|
|
|
/**
|
|
* Stores RGB data in shared memory
|
|
* It is assumed that the image width and stride are equal
|
|
*/
|
|
class DeprecatedSharedRGBImage : public Image,
|
|
public ISharedImage
|
|
{
|
|
friend already_AddRefed<Image> CreateSharedRGBImage(ImageContainer* aImageContainer,
|
|
nsIntSize aSize,
|
|
gfxImageFormat aImageFormat);
|
|
public:
|
|
struct Header {
|
|
gfxImageFormat mImageFormat;
|
|
};
|
|
|
|
DeprecatedSharedRGBImage(ISurfaceAllocator *aAllocator);
|
|
~DeprecatedSharedRGBImage();
|
|
|
|
virtual ISharedImage* AsSharedImage() MOZ_OVERRIDE { return this; }
|
|
|
|
virtual uint8_t *GetBuffer() MOZ_OVERRIDE;
|
|
|
|
gfxIntSize GetSize();
|
|
size_t GetBufferSize();
|
|
|
|
static uint8_t BytesPerPixel(gfxImageFormat aImageFormat);
|
|
already_AddRefed<gfxASurface> GetAsSurface();
|
|
|
|
/**
|
|
* Setup the Surface descriptor to contain this image's shmem, while keeping
|
|
* ownership of the shmem.
|
|
* if the operation succeeds, return true and AddRef this DeprecatedSharedRGBImage.
|
|
*/
|
|
bool ToSurfaceDescriptor(SurfaceDescriptor& aResult);
|
|
|
|
/**
|
|
* Setup the Surface descriptor to contain this image's shmem, and loose
|
|
* ownership of the shmem.
|
|
* if the operation succeeds, return true (and does _not_ AddRef this
|
|
* DeprecatedSharedRGBImage).
|
|
*/
|
|
bool DropToSurfaceDescriptor(SurfaceDescriptor& aResult);
|
|
|
|
/**
|
|
* Returns a DeprecatedSharedRGBImage* iff the descriptor was initialized with
|
|
* ToSurfaceDescriptor.
|
|
*/
|
|
static DeprecatedSharedRGBImage* FromSurfaceDescriptor(const SurfaceDescriptor& aDescriptor);
|
|
|
|
bool AllocateBuffer(nsIntSize aSize, gfxImageFormat aImageFormat);
|
|
|
|
TextureClient* GetTextureClient() MOZ_OVERRIDE { return nullptr; }
|
|
|
|
protected:
|
|
gfxIntSize mSize;
|
|
gfxImageFormat mImageFormat;
|
|
ISurfaceAllocator* mSurfaceAllocator;
|
|
|
|
bool mAllocated;
|
|
ipc::Shmem *mShmem;
|
|
};
|
|
|
|
/**
|
|
* Stores RGB data in shared memory
|
|
* It is assumed that the image width and stride are equal
|
|
*/
|
|
class SharedRGBImage : public Image
|
|
, public ISharedImage
|
|
{
|
|
public:
|
|
SharedRGBImage(ImageClient* aCompositable);
|
|
~SharedRGBImage();
|
|
|
|
virtual ISharedImage* AsSharedImage() MOZ_OVERRIDE { return this; }
|
|
|
|
virtual TextureClient* GetTextureClient() MOZ_OVERRIDE;
|
|
|
|
virtual uint8_t* GetBuffer() MOZ_OVERRIDE;
|
|
|
|
gfxIntSize GetSize();
|
|
|
|
size_t GetBufferSize();
|
|
|
|
already_AddRefed<gfxASurface> GetAsSurface();
|
|
|
|
bool Allocate(gfx::IntSize aSize, gfx::SurfaceFormat aFormat);
|
|
private:
|
|
gfx::IntSize mSize;
|
|
RefPtr<ImageClient> mCompositable;
|
|
RefPtr<BufferTextureClient> mTextureClient;
|
|
};
|
|
|
|
} // namespace layers
|
|
} // namespace mozilla
|
|
|
|
#endif
|