1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/2d/MacIOSurface.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,176 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +// vim:set ts=2 sts=2 sw=2 et cin:
1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +#ifndef MacIOSurface_h__
1.11 +#define MacIOSurface_h__
1.12 +#ifdef XP_MACOSX
1.13 +#include <QuartzCore/QuartzCore.h>
1.14 +#include <dlfcn.h>
1.15 +#include "mozilla/RefPtr.h"
1.16 +
1.17 +typedef CFTypeRef IOSurfacePtr;
1.18 +typedef IOSurfacePtr (*IOSurfaceCreateFunc) (CFDictionaryRef properties);
1.19 +typedef IOSurfacePtr (*IOSurfaceLookupFunc) (uint32_t io_surface_id);
1.20 +typedef IOSurfaceID (*IOSurfaceGetIDFunc) (CFTypeRef io_surface);
1.21 +typedef IOReturn (*IOSurfaceLockFunc) (CFTypeRef io_surface,
1.22 + uint32_t options,
1.23 + uint32_t *seed);
1.24 +typedef IOReturn (*IOSurfaceUnlockFunc) (CFTypeRef io_surface,
1.25 + uint32_t options,
1.26 + uint32_t *seed);
1.27 +typedef void* (*IOSurfaceGetBaseAddressFunc) (CFTypeRef io_surface);
1.28 +typedef size_t (*IOSurfaceGetWidthFunc) (IOSurfacePtr io_surface);
1.29 +typedef size_t (*IOSurfaceGetHeightFunc) (IOSurfacePtr io_surface);
1.30 +typedef size_t (*IOSurfaceGetBytesPerRowFunc) (IOSurfacePtr io_surface);
1.31 +typedef CGLError (*CGLTexImageIOSurface2DFunc) (CGLContextObj ctxt,
1.32 + GLenum target, GLenum internalFormat,
1.33 + GLsizei width, GLsizei height,
1.34 + GLenum format, GLenum type,
1.35 + IOSurfacePtr ioSurface, GLuint plane);
1.36 +typedef CGContextRef (*IOSurfaceContextCreateFunc)(CFTypeRef io_surface,
1.37 + unsigned width, unsigned height,
1.38 + unsigned bitsPerComponent, unsigned bytes,
1.39 + CGColorSpaceRef colorSpace, CGBitmapInfo bitmapInfo);
1.40 +typedef CGImageRef (*IOSurfaceContextCreateImageFunc)(CGContextRef ref);
1.41 +typedef IOSurfacePtr (*IOSurfaceContextGetSurfaceFunc)(CGContextRef ref);
1.42 +
1.43 +
1.44 +
1.45 +#import <OpenGL/OpenGL.h>
1.46 +#include "2D.h"
1.47 +#include "mozilla/RefPtr.h"
1.48 +
1.49 +struct _CGLContextObject;
1.50 +
1.51 +typedef _CGLContextObject* CGLContextObj;
1.52 +typedef struct CGContext* CGContextRef;
1.53 +typedef struct CGImage* CGImageRef;
1.54 +typedef uint32_t IOSurfaceID;
1.55 +
1.56 +enum CGContextType {
1.57 + CG_CONTEXT_TYPE_UNKNOWN = 0,
1.58 + // These are found by inspection, it's possible they could be changed
1.59 + CG_CONTEXT_TYPE_BITMAP = 4,
1.60 + CG_CONTEXT_TYPE_IOSURFACE = 8
1.61 +};
1.62 +
1.63 +CGContextType GetContextType(CGContextRef ref);
1.64 +
1.65 +class MacIOSurface : public mozilla::RefCounted<MacIOSurface> {
1.66 +public:
1.67 + MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(MacIOSurface)
1.68 + typedef mozilla::gfx::SourceSurface SourceSurface;
1.69 +
1.70 + static mozilla::TemporaryRef<MacIOSurface> CreateIOSurface(int aWidth, int aHeight,
1.71 + double aContentsScaleFactor = 1.0,
1.72 + bool aHasAlpha = true);
1.73 + static void ReleaseIOSurface(MacIOSurface *aIOSurface);
1.74 + static mozilla::TemporaryRef<MacIOSurface> LookupSurface(IOSurfaceID aSurfaceID,
1.75 + double aContentsScaleFactor = 1.0,
1.76 + bool aHasAlpha = true);
1.77 +
1.78 + MacIOSurface(const void *aIOSurfacePtr, double aContentsScaleFactor = 1.0, bool aHasAlpha = true)
1.79 + : mIOSurfacePtr(aIOSurfacePtr), mContentsScaleFactor(aContentsScaleFactor), mHasAlpha(aHasAlpha) {}
1.80 + virtual ~MacIOSurface();
1.81 + IOSurfaceID GetIOSurfaceID();
1.82 + void *GetBaseAddress();
1.83 + // GetWidth() and GetHeight() return values in "display pixels". A
1.84 + // "display pixel" is the smallest fully addressable part of a display.
1.85 + // But in HiDPI modes each "display pixel" corresponds to more than one
1.86 + // device pixel. Use GetDevicePixel**() to get device pixels.
1.87 + size_t GetWidth();
1.88 + size_t GetHeight();
1.89 + double GetContentsScaleFactor() { return mContentsScaleFactor; }
1.90 + size_t GetDevicePixelWidth();
1.91 + size_t GetDevicePixelHeight();
1.92 + size_t GetBytesPerRow();
1.93 + void Lock();
1.94 + void Unlock();
1.95 + bool HasAlpha() { return mHasAlpha; }
1.96 + // We would like to forward declare NSOpenGLContext, but it is an @interface
1.97 + // and this file is also used from c++, so we use a void *.
1.98 + CGLError CGLTexImageIOSurface2D(CGLContextObj ctxt);
1.99 + mozilla::TemporaryRef<SourceSurface> GetAsSurface();
1.100 + CGContextRef CreateIOSurfaceContext();
1.101 +
1.102 + // FIXME This doesn't really belong here
1.103 + static CGImageRef CreateImageFromIOSurfaceContext(CGContextRef aContext);
1.104 + static mozilla::TemporaryRef<MacIOSurface> IOSurfaceContextGetSurface(CGContextRef aContext,
1.105 + double aContentsScaleFactor = 1.0,
1.106 + bool aHasAlpha = true);
1.107 +
1.108 +private:
1.109 + friend class nsCARenderer;
1.110 + const void* mIOSurfacePtr;
1.111 + double mContentsScaleFactor;
1.112 + bool mHasAlpha;
1.113 +};
1.114 +
1.115 +class MacIOSurfaceLib: public MacIOSurface {
1.116 +public:
1.117 + MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(MacIOSurfaceLib)
1.118 + static void *sIOSurfaceFramework;
1.119 + static void *sOpenGLFramework;
1.120 + static void *sCoreGraphicsFramework;
1.121 + static bool isLoaded;
1.122 + static IOSurfaceCreateFunc sCreate;
1.123 + static IOSurfaceGetIDFunc sGetID;
1.124 + static IOSurfaceLookupFunc sLookup;
1.125 + static IOSurfaceGetBaseAddressFunc sGetBaseAddress;
1.126 + static IOSurfaceLockFunc sLock;
1.127 + static IOSurfaceUnlockFunc sUnlock;
1.128 + static IOSurfaceGetWidthFunc sWidth;
1.129 + static IOSurfaceGetHeightFunc sHeight;
1.130 + static IOSurfaceGetBytesPerRowFunc sBytesPerRow;
1.131 + static CGLTexImageIOSurface2DFunc sTexImage;
1.132 + static IOSurfaceContextCreateFunc sIOSurfaceContextCreate;
1.133 + static IOSurfaceContextCreateImageFunc sIOSurfaceContextCreateImage;
1.134 + static IOSurfaceContextGetSurfaceFunc sIOSurfaceContextGetSurface;
1.135 + static CFStringRef kPropWidth;
1.136 + static CFStringRef kPropHeight;
1.137 + static CFStringRef kPropBytesPerElem;
1.138 + static CFStringRef kPropBytesPerRow;
1.139 + static CFStringRef kPropIsGlobal;
1.140 +
1.141 + static bool isInit();
1.142 + static CFStringRef GetIOConst(const char* symbole);
1.143 + static IOSurfacePtr IOSurfaceCreate(CFDictionaryRef properties);
1.144 + static IOSurfacePtr IOSurfaceLookup(IOSurfaceID aIOSurfaceID);
1.145 + static IOSurfaceID IOSurfaceGetID(IOSurfacePtr aIOSurfacePtr);
1.146 + static void *IOSurfaceGetBaseAddress(IOSurfacePtr aIOSurfacePtr);
1.147 + static size_t IOSurfaceGetWidth(IOSurfacePtr aIOSurfacePtr);
1.148 + static size_t IOSurfaceGetHeight(IOSurfacePtr aIOSurfacePtr);
1.149 + static size_t IOSurfaceGetBytesPerRow(IOSurfacePtr aIOSurfacePtr);
1.150 + static IOReturn IOSurfaceLock(IOSurfacePtr aIOSurfacePtr,
1.151 + uint32_t options, uint32_t *seed);
1.152 + static IOReturn IOSurfaceUnlock(IOSurfacePtr aIOSurfacePtr,
1.153 + uint32_t options, uint32_t *seed);
1.154 + static CGLError CGLTexImageIOSurface2D(CGLContextObj ctxt,
1.155 + GLenum target, GLenum internalFormat,
1.156 + GLsizei width, GLsizei height,
1.157 + GLenum format, GLenum type,
1.158 + IOSurfacePtr ioSurface, GLuint plane);
1.159 + static CGContextRef IOSurfaceContextCreate(IOSurfacePtr aIOSurfacePtr,
1.160 + unsigned aWidth, unsigned aHeight,
1.161 + unsigned aBitsPerCompoent, unsigned aBytes,
1.162 + CGColorSpaceRef aColorSpace, CGBitmapInfo bitmapInfo);
1.163 + static CGImageRef IOSurfaceContextCreateImage(CGContextRef ref);
1.164 + static IOSurfacePtr IOSurfaceContextGetSurface(CGContextRef ref);
1.165 + static unsigned int (*sCGContextGetTypePtr) (CGContextRef);
1.166 + static void LoadLibrary();
1.167 + static void CloseLibrary();
1.168 +
1.169 + // Static deconstructor
1.170 + static class LibraryUnloader {
1.171 + public:
1.172 + ~LibraryUnloader() {
1.173 + CloseLibrary();
1.174 + }
1.175 + } sLibraryUnloader;
1.176 +};
1.177 +
1.178 +#endif
1.179 +#endif
