gecko/gfx/thebes/nsIOSurface.h

81 lines
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:
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla.org code.
*
* The Initial Developer of the Original Code is
* Mozilla Corporation.
* Portions created by the Initial Developer are Copyright (C) 2011
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* bgirard <b56girard@gmail.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
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* the provisions above, a recipient may use your version of this file under
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*
* ***** END LICENSE BLOCK ***** */
#ifndef nsIOSurface_h__
#define nsIOSurface_h__
#ifdef XP_MACOSX
#import <OpenGL/OpenGL.h>
class gfxASurface;
class _CGLContextObject;
// We would like to forward declare NSOpenGLContext, but it is an @interface and this
// file is also used from c++.
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();
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