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/. */

using struct gfxPoint from "gfxPoint.h";
using nsIntRegion from "nsRegion.h";
using struct mozilla::layers::SurfaceDescriptorX11 from "gfxipc/ShadowLayerUtils.h";
using mozilla::StereoMode from "ImageTypes.h";
using struct mozilla::null_t from "ipc/IPCMessageUtils.h";
using mozilla::WindowsHandle from "ipc/IPCMessageUtils.h";
using mozilla::gfx::YUVColorSpace from "mozilla/gfx/Types.h";
using mozilla::gfx::ColorDepth from "mozilla/gfx/Types.h";
using mozilla::gfx::SurfaceFormat from "mozilla/gfx/Types.h";
using mozilla::gfx::IntRect from "mozilla/gfx/Rect.h";
using mozilla::gfx::IntSize from "mozilla/gfx/Point.h";
using mozilla::ipc::SharedMemoryBasic::Handle from "mozilla/ipc/SharedMemoryBasic.h";
using gfxImageFormat from "gfxTypes.h";

namespace mozilla {
namespace layers {

struct SurfaceDescriptorFileMapping {
  WindowsHandle handle;
  SurfaceFormat format;
  IntSize size;
};

struct SurfaceDescriptorDIB {
  // gfxWindowsSurface*
  uintptr_t surface;
};

struct SurfaceDescriptorD3D10 {
  WindowsHandle handle;
  SurfaceFormat format;
  IntSize size;
  YUVColorSpace yUVColorSpace;
};

struct SurfaceDescriptorDXGIYCbCr {
  WindowsHandle handleY;
  WindowsHandle handleCb;
  WindowsHandle handleCr;
  IntSize size;
  IntSize sizeY;
  IntSize sizeCbCr;
  ColorDepth colorDepth;
  YUVColorSpace yUVColorSpace;
};

struct SurfaceDescriptorMacIOSurface {
  uint32_t surfaceId;
  double scaleFactor;
  bool isOpaque;
  YUVColorSpace yUVColorSpace;
};

struct SurfaceTextureDescriptor {
  uint64_t handle;
  IntSize size;
  SurfaceFormat format;
  bool continuous;
  bool ignoreTransform;
};

struct EGLImageDescriptor {
  uintptr_t image; // `EGLImage` is a `void*`.
  uintptr_t fence;
  IntSize size;
  bool hasAlpha;
};

struct SurfaceDescriptorSharedGLTexture {
  uint32_t texture;
  uint32_t target;
  uintptr_t fence;
  IntSize size;
  bool hasAlpha;
};


union GPUVideoSubDescriptor {
  SurfaceDescriptorD3D10;
  SurfaceDescriptorDXGIYCbCr;
  null_t;
};

struct SurfaceDescriptorGPUVideo {
  uint64_t handle;
  GPUVideoSubDescriptor subdesc;
};

struct RGBDescriptor {
  IntSize size;
  SurfaceFormat format;
  bool hasIntermediateBuffer;
};

struct YCbCrDescriptor {
  IntSize ySize;
  uint32_t yStride;
  IntSize cbCrSize;
  uint32_t cbCrStride;
  uint32_t yOffset;
  uint32_t cbOffset;
  uint32_t crOffset;
  StereoMode stereoMode;
  ColorDepth colorDepth;
  YUVColorSpace yUVColorSpace;
  bool hasIntermediateBuffer;
};

union BufferDescriptor {
  RGBDescriptor;
  YCbCrDescriptor;
};

union MemoryOrShmem {
  uintptr_t;
  Shmem;
};

struct SurfaceDescriptorBuffer {
  BufferDescriptor desc;
  MemoryOrShmem data;
};

struct SurfaceDescriptorShared
{
  IntSize size;
  int32_t stride;
  SurfaceFormat format;
  Handle handle;
};

union SurfaceDescriptor {
  SurfaceDescriptorBuffer;
  SurfaceDescriptorDIB;
  SurfaceDescriptorD3D10;
  SurfaceDescriptorFileMapping;
  SurfaceDescriptorDXGIYCbCr;
  SurfaceDescriptorX11;
  SurfaceTextureDescriptor;
  EGLImageDescriptor;
  SurfaceDescriptorMacIOSurface;
  SurfaceDescriptorSharedGLTexture;
  SurfaceDescriptorGPUVideo;
  null_t;
};

} // namespace
} // namespace