gecko-dev/gfx/thebes/nsIOSurface.h
2012-05-21 12:12:37 +01:00

48 lines
1.5 KiB
Objective-C

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
// vim:set ts=2 sts=2 sw=2 et cin:
/* 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 nsIOSurface_h__
#define nsIOSurface_h__
#ifdef XP_MACOSX
#import <OpenGL/OpenGL.h>
class gfxASurface;
struct _CGLContextObject;
typedef _CGLContextObject* CGLContextObj;
typedef uint32_t IOSurfaceID;
class THEBES_API nsIOSurface {
NS_INLINE_DECL_REFCOUNTING(nsIOSurface)
public:
static already_AddRefed<nsIOSurface> CreateIOSurface(int aWidth, int aHeight);
static void ReleaseIOSurface(nsIOSurface *aIOSurface);
static already_AddRefed<nsIOSurface> LookupSurface(IOSurfaceID aSurfaceID);
nsIOSurface(const void *aIOSurfacePtr) : mIOSurfacePtr(aIOSurfacePtr) {}
~nsIOSurface();
IOSurfaceID GetIOSurfaceID();
void *GetBaseAddress();
size_t GetWidth();
size_t GetHeight();
size_t GetBytesPerRow();
void Lock();
void Unlock();
// We would like to forward declare NSOpenGLContext, but it is an @interface
// and this file is also used from c++, so we use a void *.
CGLError CGLTexImageIOSurface2D(void *ctxt,
GLenum internalFormat, GLenum format,
GLenum type, GLuint plane);
already_AddRefed<gfxASurface> GetAsSurface();
private:
friend class nsCARenderer;
const void* mIOSurfacePtr;
};
#endif
#endif