gfx/2d/QuartzSupport.h

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/gfx/2d/QuartzSupport.h	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,99 @@
     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 nsCoreAnimationSupport_h__
    1.11 +#define nsCoreAnimationSupport_h__
    1.12 +#ifdef XP_MACOSX
    1.13 +
    1.14 +#import <OpenGL/OpenGL.h>
    1.15 +#import <OpenGL/gl.h>
    1.16 +#import "ApplicationServices/ApplicationServices.h"
    1.17 +#include "gfxTypes.h"
    1.18 +#include "mozilla/RefPtr.h"
    1.19 +#include "mozilla/gfx/MacIOSurface.h"
    1.20 +#include "nsError.h"
    1.21 +
    1.22 +// Get the system color space.
    1.23 +CGColorSpaceRef CreateSystemColorSpace();
    1.24 +
    1.25 +// Manages a CARenderer
    1.26 +struct _CGLPBufferObject;
    1.27 +struct _CGLContextObject;
    1.28 +
    1.29 +enum AllowOfflineRendererEnum { ALLOW_OFFLINE_RENDERER, DISALLOW_OFFLINE_RENDERER };
    1.30 +
    1.31 +class nsCARenderer : public mozilla::RefCounted<nsCARenderer> {
    1.32 +public:
    1.33 +  MOZ_DECLARE_REFCOUNTED_TYPENAME(nsCARenderer)
    1.34 +  nsCARenderer() : mCARenderer(nullptr), mWrapperCALayer(nullptr), mFBOTexture(0),
    1.35 +                   mOpenGLContext(nullptr), mCGImage(nullptr), mCGData(nullptr),
    1.36 +                   mIOSurface(nullptr), mFBO(0), mIOTexture(0),
    1.37 +                   mUnsupportedWidth(UINT32_MAX), mUnsupportedHeight(UINT32_MAX),
    1.38 +                   mAllowOfflineRenderer(DISALLOW_OFFLINE_RENDERER),
    1.39 +                   mContentsScaleFactor(1.0) {}
    1.40 +  ~nsCARenderer();
    1.41 +  // aWidth and aHeight are in "display pixels".  A "display pixel" is the
    1.42 +  // smallest fully addressable part of a display.  But in HiDPI modes each
    1.43 +  // "display pixel" corresponds to more than one device pixel.  Multiply
    1.44 +  // display pixels by aContentsScaleFactor to get device pixels.
    1.45 +  nsresult SetupRenderer(void* aCALayer, int aWidth, int aHeight,
    1.46 +                         double aContentsScaleFactor,
    1.47 +                         AllowOfflineRendererEnum aAllowOfflineRenderer);
    1.48 +  // aWidth and aHeight are in "display pixels".  Multiply by
    1.49 +  // aContentsScaleFactor to get device pixels.
    1.50 +  nsresult Render(int aWidth, int aHeight,
    1.51 +                  double aContentsScaleFactor,
    1.52 +                  CGImageRef *aOutCAImage);
    1.53 +  bool isInit() { return mCARenderer != nullptr; }
    1.54 +  /*
    1.55 +   * Render the CALayer to an IOSurface. If no IOSurface
    1.56 +   * is attached then an internal pixel buffer will be
    1.57 +   * used.
    1.58 +   */
    1.59 +  void AttachIOSurface(mozilla::RefPtr<MacIOSurface> aSurface);
    1.60 +  IOSurfaceID GetIOSurfaceID();
    1.61 +  // aX, aY, aWidth and aHeight are in "display pixels".  Multiply by
    1.62 +  // surf->GetContentsScaleFactor() to get device pixels.
    1.63 +  static nsresult DrawSurfaceToCGContext(CGContextRef aContext,
    1.64 +                                         MacIOSurface *surf,
    1.65 +                                         CGColorSpaceRef aColorSpace,
    1.66 +                                         int aX, int aY,
    1.67 +                                         size_t aWidth, size_t aHeight);
    1.68 +
    1.69 +  // Remove & Add the layer without destroying
    1.70 +  // the renderer for fast back buffer swapping.
    1.71 +  void DetachCALayer();
    1.72 +  void AttachCALayer(void *aCALayer);
    1.73 +#ifdef DEBUG
    1.74 +  static void SaveToDisk(MacIOSurface *surf);
    1.75 +#endif
    1.76 +private:
    1.77 +  // aWidth and aHeight are in "display pixels".  Multiply by
    1.78 +  // mContentsScaleFactor to get device pixels.
    1.79 +  void SetBounds(int aWidth, int aHeight);
    1.80 +  // aWidth and aHeight are in "display pixels".  Multiply by
    1.81 +  // mContentsScaleFactor to get device pixels.
    1.82 +  void SetViewport(int aWidth, int aHeight);
    1.83 +  void Destroy();
    1.84 +
    1.85 +  void *mCARenderer;
    1.86 +  void *mWrapperCALayer;
    1.87 +  GLuint                    mFBOTexture;
    1.88 +  _CGLContextObject        *mOpenGLContext;
    1.89 +  CGImageRef                mCGImage;
    1.90 +  void                     *mCGData;
    1.91 +  mozilla::RefPtr<MacIOSurface> mIOSurface;
    1.92 +  uint32_t                  mFBO;
    1.93 +  uint32_t                  mIOTexture;
    1.94 +  int                       mUnsupportedWidth;
    1.95 +  int                       mUnsupportedHeight;
    1.96 +  AllowOfflineRendererEnum  mAllowOfflineRenderer;
    1.97 +  double                    mContentsScaleFactor;
    1.98 +};
    1.99 +
   1.100 +#endif // XP_MACOSX
   1.101 +#endif // nsCoreAnimationSupport_h__
   1.102 +

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