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48 lines
1.5 KiB
Objective-C
48 lines
1.5 KiB
Objective-C
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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// vim:set ts=2 sts=2 sw=2 et cin:
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsIOSurface_h__
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#define nsIOSurface_h__
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#ifdef XP_MACOSX
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#import <OpenGL/OpenGL.h>
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class gfxASurface;
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struct _CGLContextObject;
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typedef _CGLContextObject* CGLContextObj;
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typedef uint32_t IOSurfaceID;
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class THEBES_API nsIOSurface {
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NS_INLINE_DECL_REFCOUNTING(nsIOSurface)
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public:
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static already_AddRefed<nsIOSurface> CreateIOSurface(int aWidth, int aHeight);
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static void ReleaseIOSurface(nsIOSurface *aIOSurface);
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static already_AddRefed<nsIOSurface> LookupSurface(IOSurfaceID aSurfaceID);
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nsIOSurface(const void *aIOSurfacePtr) : mIOSurfacePtr(aIOSurfacePtr) {}
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~nsIOSurface();
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IOSurfaceID GetIOSurfaceID();
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void *GetBaseAddress();
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size_t GetWidth();
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size_t GetHeight();
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size_t GetBytesPerRow();
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void Lock();
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void Unlock();
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// We would like to forward declare NSOpenGLContext, but it is an @interface
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// and this file is also used from c++, so we use a void *.
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CGLError CGLTexImageIOSurface2D(void *ctxt,
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GLenum internalFormat, GLenum format,
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GLenum type, GLuint plane);
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already_AddRefed<gfxASurface> GetAsSurface();
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private:
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friend class nsCARenderer;
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const void* mIOSurfacePtr;
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};
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#endif
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#endif
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