/* -*- 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_DARWIN #include #include #include struct _CGLContextObject; typedef _CGLContextObject* CGLContextObj; typedef struct CGContext* CGContextRef; typedef struct CGImage* CGImageRef; typedef uint32_t IOSurfaceID; #ifdef XP_IOS typedef kern_return_t IOReturn; typedef int CGLError; #endif typedef CFTypeRef IOSurfacePtr; typedef IOSurfacePtr (*IOSurfaceCreateFunc) (CFDictionaryRef properties); typedef IOSurfacePtr (*IOSurfaceLookupFunc) (uint32_t io_surface_id); typedef IOSurfaceID (*IOSurfaceGetIDFunc)(IOSurfacePtr io_surface); typedef void (*IOSurfaceVoidFunc)(IOSurfacePtr io_surface); typedef IOReturn (*IOSurfaceLockFunc)(IOSurfacePtr io_surface, uint32_t options, uint32_t *seed); typedef IOReturn (*IOSurfaceUnlockFunc)(IOSurfacePtr io_surface, uint32_t options, uint32_t *seed); typedef void* (*IOSurfaceGetBaseAddressFunc)(IOSurfacePtr io_surface); typedef void* (*IOSurfaceGetBaseAddressOfPlaneFunc)(IOSurfacePtr io_surface, size_t planeIndex); typedef size_t (*IOSurfaceSizeTFunc)(IOSurfacePtr io_surface); typedef size_t (*IOSurfaceSizePlaneTFunc)(IOSurfacePtr io_surface, size_t plane); typedef size_t (*IOSurfaceGetPropertyMaximumFunc) (CFStringRef property); 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); typedef IOSurfacePtr (*CVPixelBufferGetIOSurfaceFunc)( CVPixelBufferRef pixelBuffer); typedef OSType (*IOSurfacePixelFormatFunc)(IOSurfacePtr io_surface); #ifdef XP_MACOSX #import #else #import #endif #include "2D.h" #include "mozilla/RefPtr.h" #include "mozilla/RefCounted.h" 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 final : public mozilla::external::AtomicRefCounted { public: MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(MacIOSurface) typedef mozilla::gfx::SourceSurface SourceSurface; // The usage count of the IOSurface is increased by 1 during the lifetime // of the MacIOSurface instance. // MacIOSurface holds a reference to the corresponding IOSurface. static already_AddRefed CreateIOSurface(int aWidth, int aHeight, double aContentsScaleFactor = 1.0, bool aHasAlpha = true); static void ReleaseIOSurface(MacIOSurface *aIOSurface); static already_AddRefed LookupSurface(IOSurfaceID aSurfaceID, double aContentsScaleFactor = 1.0, bool aHasAlpha = true); explicit MacIOSurface(const void *aIOSurfacePtr, double aContentsScaleFactor = 1.0, bool aHasAlpha = true); ~MacIOSurface(); IOSurfaceID GetIOSurfaceID(); void *GetBaseAddress(); void *GetBaseAddressOfPlane(size_t planeIndex); size_t GetPlaneCount(); OSType GetPixelFormat(); // 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 plane = 0); size_t GetHeight(size_t plane = 0); double GetContentsScaleFactor() { return mContentsScaleFactor; } size_t GetDevicePixelWidth(size_t plane = 0); size_t GetDevicePixelHeight(size_t plane = 0); size_t GetBytesPerRow(size_t plane = 0); void Lock(); void Unlock(); void IncrementUseCount(); void DecrementUseCount(); bool HasAlpha() { return mHasAlpha; } mozilla::gfx::SurfaceFormat GetFormat(); // 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, size_t plane = 0); already_AddRefed GetAsSurface(); CGContextRef CreateIOSurfaceContext(); // FIXME This doesn't really belong here static CGImageRef CreateImageFromIOSurfaceContext(CGContextRef aContext); static already_AddRefed IOSurfaceContextGetSurface(CGContextRef aContext, double aContentsScaleFactor = 1.0, bool aHasAlpha = true); static size_t GetMaxWidth(); static size_t GetMaxHeight(); private: friend class nsCARenderer; const void* mIOSurfacePtr; double mContentsScaleFactor; bool mHasAlpha; }; class MacIOSurfaceLib { public: MacIOSurfaceLib() = delete; static void *sIOSurfaceFramework; static void *sOpenGLFramework; static void *sCoreGraphicsFramework; static void *sCoreVideoFramework; static bool isLoaded; static IOSurfaceCreateFunc sCreate; static IOSurfaceGetIDFunc sGetID; static IOSurfaceLookupFunc sLookup; static IOSurfaceGetBaseAddressFunc sGetBaseAddress; static IOSurfaceGetBaseAddressOfPlaneFunc sGetBaseAddressOfPlane; static IOSurfaceSizeTFunc sPlaneCount; static IOSurfaceLockFunc sLock; static IOSurfaceUnlockFunc sUnlock; static IOSurfaceVoidFunc sIncrementUseCount; static IOSurfaceVoidFunc sDecrementUseCount; static IOSurfaceSizePlaneTFunc sWidth; static IOSurfaceSizePlaneTFunc sHeight; static IOSurfaceSizePlaneTFunc sBytesPerRow; static IOSurfaceGetPropertyMaximumFunc sGetPropertyMaximum; static CGLTexImageIOSurface2DFunc sTexImage; static IOSurfaceContextCreateFunc sIOSurfaceContextCreate; static IOSurfaceContextCreateImageFunc sIOSurfaceContextCreateImage; static IOSurfaceContextGetSurfaceFunc sIOSurfaceContextGetSurface; static CVPixelBufferGetIOSurfaceFunc sCVPixelBufferGetIOSurface; static IOSurfacePixelFormatFunc sPixelFormat; 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 void* IOSurfaceGetBaseAddressOfPlane(IOSurfacePtr aIOSurfacePtr, size_t aPlaneIndex); static size_t IOSurfaceGetPlaneCount(IOSurfacePtr aIOSurfacePtr); static size_t IOSurfaceGetWidth(IOSurfacePtr aIOSurfacePtr, size_t plane); static size_t IOSurfaceGetHeight(IOSurfacePtr aIOSurfacePtr, size_t plane); static size_t IOSurfaceGetBytesPerRow(IOSurfacePtr aIOSurfacePtr, size_t plane); static size_t IOSurfaceGetPropertyMaximum(CFStringRef property); static IOReturn IOSurfaceLock(IOSurfacePtr aIOSurfacePtr, uint32_t options, uint32_t *seed); static IOReturn IOSurfaceUnlock(IOSurfacePtr aIOSurfacePtr, uint32_t options, uint32_t *seed); static void IOSurfaceIncrementUseCount(IOSurfacePtr aIOSurfacePtr); static void IOSurfaceDecrementUseCount(IOSurfacePtr aIOSurfacePtr); 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 IOSurfacePtr CVPixelBufferGetIOSurface(CVPixelBufferRef apixelBuffer); static OSType IOSurfaceGetPixelFormat(IOSurfacePtr aIOSurfacePtr); static unsigned int (*sCGContextGetTypePtr) (CGContextRef); static void LoadLibrary(); static void CloseLibrary(); // Static deconstructor static class LibraryUnloader { public: ~LibraryUnloader() { CloseLibrary(); } } sLibraryUnloader; }; #endif #endif