/* -*- 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 MacIOSurface_h__ #define MacIOSurface_h__ #ifdef XP_MACOSX #include #include #include "mozilla/RefPtr.h" typedef CFTypeRef IOSurfacePtr; typedef IOSurfacePtr (*IOSurfaceCreateFunc) (CFDictionaryRef properties); typedef IOSurfacePtr (*IOSurfaceLookupFunc) (uint32_t io_surface_id); typedef IOSurfaceID (*IOSurfaceGetIDFunc) (CFTypeRef io_surface); typedef IOReturn (*IOSurfaceLockFunc) (CFTypeRef io_surface, uint32_t options, uint32_t *seed); typedef IOReturn (*IOSurfaceUnlockFunc) (CFTypeRef io_surface, uint32_t options, uint32_t *seed); typedef void* (*IOSurfaceGetBaseAddressFunc) (CFTypeRef io_surface); typedef size_t (*IOSurfaceGetWidthFunc) (IOSurfacePtr io_surface); typedef size_t (*IOSurfaceGetHeightFunc) (IOSurfacePtr io_surface); typedef size_t (*IOSurfaceGetBytesPerRowFunc) (IOSurfacePtr io_surface); typedef CGLError (*CGLTexImageIOSurface2DFunc) (CGLContextObj ctxt, GLenum target, GLenum internalFormat, GLsizei width, GLsizei height, GLenum format, GLenum type, IOSurfacePtr ioSurface, GLuint plane); typedef CGContextRef (*IOSurfaceContextCreateFunc)(CFTypeRef io_surface, unsigned width, unsigned height, unsigned bitsPerComponent, unsigned bytes, CGColorSpaceRef colorSpace, CGBitmapInfo bitmapInfo); typedef CGImageRef (*IOSurfaceContextCreateImageFunc)(CGContextRef ref); typedef IOSurfacePtr (*IOSurfaceContextGetSurfaceFunc)(CGContextRef ref); #import #include "2D.h" #include "mozilla/RefPtr.h" struct _CGLContextObject; typedef _CGLContextObject* CGLContextObj; typedef struct CGContext* CGContextRef; typedef struct CGImage* CGImageRef; typedef uint32_t IOSurfaceID; enum CGContextType { CG_CONTEXT_TYPE_UNKNOWN = 0, // These are found by inspection, it's possible they could be changed CG_CONTEXT_TYPE_BITMAP = 4, CG_CONTEXT_TYPE_IOSURFACE = 8 }; CGContextType GetContextType(CGContextRef ref); class MacIOSurface : public mozilla::RefCounted { public: MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(MacIOSurface) typedef mozilla::gfx::SourceSurface SourceSurface; static mozilla::TemporaryRef CreateIOSurface(int aWidth, int aHeight, double aContentsScaleFactor = 1.0, bool aHasAlpha = true); static void ReleaseIOSurface(MacIOSurface *aIOSurface); static mozilla::TemporaryRef LookupSurface(IOSurfaceID aSurfaceID, double aContentsScaleFactor = 1.0, bool aHasAlpha = true); MacIOSurface(const void *aIOSurfacePtr, double aContentsScaleFactor = 1.0, bool aHasAlpha = true) : mIOSurfacePtr(aIOSurfacePtr), mContentsScaleFactor(aContentsScaleFactor), mHasAlpha(aHasAlpha) {} virtual ~MacIOSurface(); IOSurfaceID GetIOSurfaceID(); void *GetBaseAddress(); // GetWidth() and GetHeight() return values in "display pixels". A // "display pixel" is the smallest fully addressable part of a display. // But in HiDPI modes each "display pixel" corresponds to more than one // device pixel. Use GetDevicePixel**() to get device pixels. size_t GetWidth(); size_t GetHeight(); double GetContentsScaleFactor() { return mContentsScaleFactor; } size_t GetDevicePixelWidth(); size_t GetDevicePixelHeight(); size_t GetBytesPerRow(); void Lock(); void Unlock(); bool HasAlpha() { return mHasAlpha; } // 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(CGLContextObj ctxt); mozilla::TemporaryRef GetAsSurface(); CGContextRef CreateIOSurfaceContext(); // FIXME This doesn't really belong here static CGImageRef CreateImageFromIOSurfaceContext(CGContextRef aContext); static mozilla::TemporaryRef IOSurfaceContextGetSurface(CGContextRef aContext, double aContentsScaleFactor = 1.0, bool aHasAlpha = true); private: friend class nsCARenderer; const void* mIOSurfacePtr; double mContentsScaleFactor; bool mHasAlpha; }; class MacIOSurfaceLib: public MacIOSurface { public: MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(MacIOSurfaceLib) static void *sIOSurfaceFramework; static void *sOpenGLFramework; static void *sCoreGraphicsFramework; static bool isLoaded; static IOSurfaceCreateFunc sCreate; static IOSurfaceGetIDFunc sGetID; static IOSurfaceLookupFunc sLookup; static IOSurfaceGetBaseAddressFunc sGetBaseAddress; static IOSurfaceLockFunc sLock; static IOSurfaceUnlockFunc sUnlock; static IOSurfaceGetWidthFunc sWidth; static IOSurfaceGetHeightFunc sHeight; static IOSurfaceGetBytesPerRowFunc sBytesPerRow; static CGLTexImageIOSurface2DFunc sTexImage; static IOSurfaceContextCreateFunc sIOSurfaceContextCreate; static IOSurfaceContextCreateImageFunc sIOSurfaceContextCreateImage; static IOSurfaceContextGetSurfaceFunc sIOSurfaceContextGetSurface; static CFStringRef kPropWidth; static CFStringRef kPropHeight; static CFStringRef kPropBytesPerElem; static CFStringRef kPropBytesPerRow; static CFStringRef kPropIsGlobal; static bool isInit(); static CFStringRef GetIOConst(const char* symbole); static IOSurfacePtr IOSurfaceCreate(CFDictionaryRef properties); static IOSurfacePtr IOSurfaceLookup(IOSurfaceID aIOSurfaceID); static IOSurfaceID IOSurfaceGetID(IOSurfacePtr aIOSurfacePtr); static void *IOSurfaceGetBaseAddress(IOSurfacePtr aIOSurfacePtr); static size_t IOSurfaceGetWidth(IOSurfacePtr aIOSurfacePtr); static size_t IOSurfaceGetHeight(IOSurfacePtr aIOSurfacePtr); static size_t IOSurfaceGetBytesPerRow(IOSurfacePtr aIOSurfacePtr); static IOReturn IOSurfaceLock(IOSurfacePtr aIOSurfacePtr, uint32_t options, uint32_t *seed); static IOReturn IOSurfaceUnlock(IOSurfacePtr aIOSurfacePtr, uint32_t options, uint32_t *seed); static CGLError CGLTexImageIOSurface2D(CGLContextObj ctxt, GLenum target, GLenum internalFormat, GLsizei width, GLsizei height, GLenum format, GLenum type, IOSurfacePtr ioSurface, GLuint plane); static CGContextRef IOSurfaceContextCreate(IOSurfacePtr aIOSurfacePtr, unsigned aWidth, unsigned aHeight, unsigned aBitsPerCompoent, unsigned aBytes, CGColorSpaceRef aColorSpace, CGBitmapInfo bitmapInfo); static CGImageRef IOSurfaceContextCreateImage(CGContextRef ref); static IOSurfacePtr IOSurfaceContextGetSurface(CGContextRef ref); static unsigned int (*sCGContextGetTypePtr) (CGContextRef); static void LoadLibrary(); static void CloseLibrary(); // Static deconstructor static class LibraryUnloader { public: ~LibraryUnloader() { CloseLibrary(); } } sLibraryUnloader; }; #endif #endif