gecko-dev/gfx/layers/ipc/LayersSurfaces.ipdlh

/* 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 protocol PGrallocBuffer;

include "gfxipc/ShadowLayerUtils.h";

using gfx3DMatrix;
using gfxIntSize;
using gfxPoint;
using gfxRGBA;
using nsIntPoint;
using nsIntRect;
using nsIntRegion;
using nsIntSize;
using mozilla::gfxContentType;
using mozilla::GraphicsFilterType;
using mozilla::layers::FrameMetrics;
using mozilla::layers::MagicGrallocBufferHandle;
using mozilla::layers::SurfaceDescriptorX11;
using mozilla::null_t;
using mozilla::WindowsHandle;
using mozilla::gl::SharedTextureHandle;
using mozilla::gl::GLContext::SharedTextureShareType;

namespace mozilla {
namespace layers {

union MaybeMagicGrallocBufferHandle {
  MagicGrallocBufferHandle;
  null_t;
};

struct SurfaceDescriptorD3D10 {
  WindowsHandle handle;
};

struct SharedTextureDescriptor {
  SharedTextureShareType shareType;
  SharedTextureHandle handle;
  nsIntSize size;
  bool inverted;
};

struct SurfaceDescriptorGralloc {
  PGrallocBuffer buffer;

  /**
   * We can have one source producing gralloc buffers and sharing them
   * with another source that may also produce its own gralloc buffers.
   * This happens for camera preview buffers sent to video code.  When
   * that happens, the producer can mark the buffer as "external" to
   * prevent its consumer from mistakenly freeing the buffer.
   */
  bool external;
};

struct SharedImageID {
  uint64_t id;
};

union SurfaceDescriptor {
  Shmem;
  SurfaceDescriptorD3D10;
  SurfaceDescriptorGralloc;
  SurfaceDescriptorX11;
  SharedTextureDescriptor;
};

struct YCbCrImage {
  Shmem data;
  size_t offset;
  nsIntRect picture;
};

// Will be removed in the near future
struct YUVImage {
  Shmem Ydata;
  Shmem Udata;
  Shmem Vdata;
  nsIntRect picture;
};

union SharedImage {
  SurfaceDescriptor;
  YCbCrImage;
  YUVImage;
  SharedImageID;
  null_t;
};

} // namespace
} // namespace