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71 lines
2.7 KiB
Objective-C
71 lines
2.7 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 MacIOSurface_h__
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#define MacIOSurface_h__
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#ifdef XP_MACOSX
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#import <OpenGL/OpenGL.h>
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#include "2D.h"
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#include "mozilla/RefPtr.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 struct CGContext* CGContextRef;
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typedef struct CGImage* CGImageRef;
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typedef uint32_t IOSurfaceID;
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class MacIOSurface : public mozilla::RefCounted<MacIOSurface> {
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public:
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typedef mozilla::gfx::SourceSurface SourceSurface;
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static mozilla::TemporaryRef<MacIOSurface> CreateIOSurface(int aWidth, int aHeight,
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double aContentsScaleFactor = 1.0);
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static void ReleaseIOSurface(MacIOSurface *aIOSurface);
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static mozilla::TemporaryRef<MacIOSurface> LookupSurface(IOSurfaceID aSurfaceID,
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double aContentsScaleFactor = 1.0);
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MacIOSurface(const void *aIOSurfacePtr, double aContentsScaleFactor = 1.0)
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: mIOSurfacePtr(aIOSurfacePtr), mContentsScaleFactor(aContentsScaleFactor) {}
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~MacIOSurface();
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IOSurfaceID GetIOSurfaceID();
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void *GetBaseAddress();
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// GetWidth() and GetHeight() return values in "display pixels". A
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// "display pixel" is the smallest fully addressable part of a display.
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// But in HiDPI modes each "display pixel" corresponds to more than one
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// device pixel. Use GetDevicePixel**() to get device pixels.
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size_t GetWidth();
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size_t GetHeight();
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double GetContentsScaleFactor() { return mContentsScaleFactor; }
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size_t GetDevicePixelWidth();
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size_t GetDevicePixelHeight();
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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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mozilla::TemporaryRef<SourceSurface> GetAsSurface();
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CGContextRef CreateIOSurfaceContext();
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// FIXME This doesn't really belong here
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static CGImageRef CreateImageFromIOSurfaceContext(CGContextRef aContext);
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static mozilla::TemporaryRef<MacIOSurface> IOSurfaceContextGetSurface(CGContextRef aContext,
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double aContentsScaleFactor = 1.0);
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private:
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friend class nsCARenderer;
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const void* mIOSurfacePtr;
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double mContentsScaleFactor;
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};
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#endif
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#endif
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