зеркало из https://github.com/mozilla/gecko-dev.git
238 строки
10 KiB
Objective-C
238 строки
10 KiB
Objective-C
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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_DARWIN
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#include <QuartzCore/QuartzCore.h>
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#include <CoreVideo/CoreVideo.h>
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#include <dlfcn.h>
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namespace mozilla {
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namespace gl {
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class GLContext;
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}
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} // namespace mozilla
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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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#ifdef XP_IOS
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typedef kern_return_t IOReturn;
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typedef int CGLError;
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#endif
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typedef CFTypeRef IOSurfacePtr;
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typedef IOSurfacePtr (*IOSurfaceCreateFunc)(CFDictionaryRef properties);
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typedef IOSurfacePtr (*IOSurfaceLookupFunc)(uint32_t io_surface_id);
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typedef IOSurfaceID (*IOSurfaceGetIDFunc)(IOSurfacePtr io_surface);
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typedef void (*IOSurfaceVoidFunc)(IOSurfacePtr io_surface);
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typedef IOReturn (*IOSurfaceLockFunc)(IOSurfacePtr io_surface, uint32_t options,
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uint32_t* seed);
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typedef IOReturn (*IOSurfaceUnlockFunc)(IOSurfacePtr io_surface,
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uint32_t options, uint32_t* seed);
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typedef void* (*IOSurfaceGetBaseAddressFunc)(IOSurfacePtr io_surface);
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typedef void* (*IOSurfaceGetBaseAddressOfPlaneFunc)(IOSurfacePtr io_surface,
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size_t planeIndex);
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typedef size_t (*IOSurfaceSizeTFunc)(IOSurfacePtr io_surface);
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typedef size_t (*IOSurfaceSizePlaneTFunc)(IOSurfacePtr io_surface,
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size_t plane);
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typedef size_t (*IOSurfaceGetPropertyMaximumFunc)(CFStringRef property);
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typedef CGLError (*CGLTexImageIOSurface2DFunc)(
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CGLContextObj ctxt, GLenum target, GLenum internalFormat, GLsizei width,
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GLsizei height, GLenum format, GLenum type, IOSurfacePtr ioSurface,
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GLuint plane);
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typedef CGContextRef (*IOSurfaceContextCreateFunc)(
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CFTypeRef io_surface, unsigned width, unsigned height,
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unsigned bitsPerComponent, unsigned bytes, CGColorSpaceRef colorSpace,
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CGBitmapInfo bitmapInfo);
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typedef CGImageRef (*IOSurfaceContextCreateImageFunc)(CGContextRef ref);
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typedef IOSurfacePtr (*IOSurfaceContextGetSurfaceFunc)(CGContextRef ref);
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typedef IOSurfacePtr (*CVPixelBufferGetIOSurfaceFunc)(
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CVPixelBufferRef pixelBuffer);
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typedef OSType (*IOSurfacePixelFormatFunc)(IOSurfacePtr io_surface);
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#ifdef XP_MACOSX
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#import <OpenGL/OpenGL.h>
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#else
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#import <OpenGLES/ES2/gl.h>
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#endif
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#include "2D.h"
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#include "mozilla/RefPtr.h"
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#include "mozilla/RefCounted.h"
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enum CGContextType {
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CG_CONTEXT_TYPE_UNKNOWN = 0,
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// These are found by inspection, it's possible they could be changed
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CG_CONTEXT_TYPE_BITMAP = 4,
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CG_CONTEXT_TYPE_IOSURFACE = 8
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};
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CGContextType GetContextType(CGContextRef ref);
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class MacIOSurface final
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: public mozilla::external::AtomicRefCounted<MacIOSurface> {
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public:
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MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(MacIOSurface)
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typedef mozilla::gfx::SourceSurface SourceSurface;
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// The usage count of the IOSurface is increased by 1 during the lifetime
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// of the MacIOSurface instance.
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// MacIOSurface holds a reference to the corresponding IOSurface.
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static already_AddRefed<MacIOSurface> CreateIOSurface(
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int aWidth, int aHeight, double aContentsScaleFactor = 1.0,
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bool aHasAlpha = true);
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static void ReleaseIOSurface(MacIOSurface* aIOSurface);
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static already_AddRefed<MacIOSurface> LookupSurface(
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IOSurfaceID aSurfaceID, double aContentsScaleFactor = 1.0,
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bool aHasAlpha = true);
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explicit MacIOSurface(IOSurfacePtr aIOSurfacePtr,
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double aContentsScaleFactor = 1.0,
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bool aHasAlpha = true);
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~MacIOSurface();
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IOSurfaceID GetIOSurfaceID();
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void* GetBaseAddress();
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void* GetBaseAddressOfPlane(size_t planeIndex);
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size_t GetPlaneCount();
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OSType GetPixelFormat();
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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(size_t plane = 0);
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size_t GetHeight(size_t plane = 0);
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double GetContentsScaleFactor() { return mContentsScaleFactor; }
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size_t GetDevicePixelWidth(size_t plane = 0);
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size_t GetDevicePixelHeight(size_t plane = 0);
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size_t GetBytesPerRow(size_t plane = 0);
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void Lock(bool aReadOnly = true);
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void Unlock(bool aReadOnly = true);
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void IncrementUseCount();
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void DecrementUseCount();
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bool HasAlpha() { return mHasAlpha; }
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mozilla::gfx::SurfaceFormat GetFormat();
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mozilla::gfx::SurfaceFormat GetReadFormat();
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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(
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mozilla::gl::GLContext* aGL, CGLContextObj ctxt, size_t plane,
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mozilla::gfx::SurfaceFormat* aOutReadFormat = nullptr);
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CGLError CGLTexImageIOSurface2D(CGLContextObj ctxt, GLenum target,
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GLenum internalFormat, GLsizei width,
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GLsizei height, GLenum format, GLenum type,
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GLuint plane) const;
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already_AddRefed<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 already_AddRefed<MacIOSurface> IOSurfaceContextGetSurface(
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CGContextRef aContext, double aContentsScaleFactor = 1.0,
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bool aHasAlpha = true);
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static size_t GetMaxWidth();
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static size_t GetMaxHeight();
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const void* GetIOSurfacePtr() { return mIOSurfacePtr; }
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private:
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friend class nsCARenderer;
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const IOSurfacePtr mIOSurfacePtr;
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double mContentsScaleFactor;
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bool mHasAlpha;
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};
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class MacIOSurfaceLib {
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public:
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MacIOSurfaceLib() = delete;
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static void* sIOSurfaceFramework;
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static void* sOpenGLFramework;
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static void* sCoreGraphicsFramework;
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static void* sCoreVideoFramework;
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static bool isLoaded;
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static IOSurfaceCreateFunc sCreate;
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static IOSurfaceGetIDFunc sGetID;
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static IOSurfaceLookupFunc sLookup;
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static IOSurfaceGetBaseAddressFunc sGetBaseAddress;
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static IOSurfaceGetBaseAddressOfPlaneFunc sGetBaseAddressOfPlane;
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static IOSurfaceSizeTFunc sPlaneCount;
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static IOSurfaceLockFunc sLock;
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static IOSurfaceUnlockFunc sUnlock;
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static IOSurfaceVoidFunc sIncrementUseCount;
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static IOSurfaceVoidFunc sDecrementUseCount;
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static IOSurfaceSizePlaneTFunc sWidth;
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static IOSurfaceSizePlaneTFunc sHeight;
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static IOSurfaceSizePlaneTFunc sBytesPerRow;
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static IOSurfaceGetPropertyMaximumFunc sGetPropertyMaximum;
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static CGLTexImageIOSurface2DFunc sTexImage;
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static IOSurfaceContextCreateFunc sIOSurfaceContextCreate;
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static IOSurfaceContextCreateImageFunc sIOSurfaceContextCreateImage;
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static IOSurfaceContextGetSurfaceFunc sIOSurfaceContextGetSurface;
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static CVPixelBufferGetIOSurfaceFunc sCVPixelBufferGetIOSurface;
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static IOSurfacePixelFormatFunc sPixelFormat;
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static CFStringRef kPropWidth;
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static CFStringRef kPropHeight;
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static CFStringRef kPropBytesPerElem;
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static CFStringRef kPropBytesPerRow;
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static CFStringRef kPropIsGlobal;
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static bool isInit();
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static CFStringRef GetIOConst(const char* symbole);
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static IOSurfacePtr IOSurfaceCreate(CFDictionaryRef properties);
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static IOSurfacePtr IOSurfaceLookup(IOSurfaceID aIOSurfaceID);
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static IOSurfaceID IOSurfaceGetID(IOSurfacePtr aIOSurfacePtr);
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static void* IOSurfaceGetBaseAddress(IOSurfacePtr aIOSurfacePtr);
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static void* IOSurfaceGetBaseAddressOfPlane(IOSurfacePtr aIOSurfacePtr,
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size_t aPlaneIndex);
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static size_t IOSurfaceGetPlaneCount(IOSurfacePtr aIOSurfacePtr);
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static size_t IOSurfaceGetWidth(IOSurfacePtr aIOSurfacePtr, size_t plane);
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static size_t IOSurfaceGetHeight(IOSurfacePtr aIOSurfacePtr, size_t plane);
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static size_t IOSurfaceGetBytesPerRow(IOSurfacePtr aIOSurfacePtr,
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size_t plane);
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static size_t IOSurfaceGetPropertyMaximum(CFStringRef property);
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static IOReturn IOSurfaceLock(IOSurfacePtr aIOSurfacePtr, uint32_t options,
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uint32_t* seed);
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static IOReturn IOSurfaceUnlock(IOSurfacePtr aIOSurfacePtr, uint32_t options,
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uint32_t* seed);
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static void IOSurfaceIncrementUseCount(IOSurfacePtr aIOSurfacePtr);
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static void IOSurfaceDecrementUseCount(IOSurfacePtr aIOSurfacePtr);
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static CGLError CGLTexImageIOSurface2D(CGLContextObj ctxt, GLenum target,
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GLenum internalFormat, GLsizei width,
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GLsizei height, GLenum format,
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GLenum type, IOSurfacePtr ioSurface,
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GLuint plane);
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static CGContextRef IOSurfaceContextCreate(IOSurfacePtr aIOSurfacePtr,
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unsigned aWidth, unsigned aHeight,
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unsigned aBitsPerCompoent,
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unsigned aBytes,
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CGColorSpaceRef aColorSpace,
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CGBitmapInfo bitmapInfo);
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static CGImageRef IOSurfaceContextCreateImage(CGContextRef ref);
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static IOSurfacePtr IOSurfaceContextGetSurface(CGContextRef ref);
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static IOSurfacePtr CVPixelBufferGetIOSurface(CVPixelBufferRef apixelBuffer);
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static OSType IOSurfaceGetPixelFormat(IOSurfacePtr aIOSurfacePtr);
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static unsigned int (*sCGContextGetTypePtr)(CGContextRef);
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static void LoadLibrary();
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static void CloseLibrary();
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// Static deconstructor
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static class LibraryUnloader {
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public:
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~LibraryUnloader() { CloseLibrary(); }
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} sLibraryUnloader;
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};
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#endif
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#endif
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