pjs/gfx/thebes/nsIOSurface.h

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3.0 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:
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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* 1.1 (the "License"); you may not use this file except in compliance with
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* Contributor(s):
* bgirard <b56girard@gmail.com>
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#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