/* -*- 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 nsCoreAnimationSupport_h__ #define nsCoreAnimationSupport_h__ #ifdef XP_MACOSX #import <OpenGL/OpenGL.h> #import <OpenGL/gl.h> #import "ApplicationServices/ApplicationServices.h" #include "gfxTypes.h" #include "mozilla/RefPtr.h" #include "mozilla/gfx/MacIOSurface.h" #include "nsError.h" // Get the system color space. CGColorSpaceRef CreateSystemColorSpace(); // Manages a CARenderer struct _CGLContextObject; enum AllowOfflineRendererEnum { ALLOW_OFFLINE_RENDERER, DISALLOW_OFFLINE_RENDERER }; class nsCARenderer : public mozilla::RefCounted<nsCARenderer> { public: MOZ_DECLARE_REFCOUNTED_TYPENAME(nsCARenderer) nsCARenderer() : mCARenderer(nullptr), mWrapperCALayer(nullptr), mFBOTexture(0), mOpenGLContext(nullptr), mCGImage(nullptr), mCGData(nullptr), mIOSurface(nullptr), mFBO(0), mIOTexture(0), mUnsupportedWidth(UINT32_MAX), mUnsupportedHeight(UINT32_MAX), mAllowOfflineRenderer(DISALLOW_OFFLINE_RENDERER), mContentsScaleFactor(1.0) {} ~nsCARenderer(); // aWidth and aHeight are 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. Multiply // display pixels by aContentsScaleFactor to get device pixels. nsresult SetupRenderer(void* aCALayer, int aWidth, int aHeight, double aContentsScaleFactor, AllowOfflineRendererEnum aAllowOfflineRenderer); // aWidth and aHeight are in "display pixels". Multiply by // aContentsScaleFactor to get device pixels. nsresult Render(int aWidth, int aHeight, double aContentsScaleFactor, CGImageRef *aOutCAImage); bool isInit() { return mCARenderer != nullptr; } /* * Render the CALayer to an IOSurface. If no IOSurface * is attached then an internal pixel buffer will be * used. */ void AttachIOSurface(MacIOSurface *aSurface); IOSurfaceID GetIOSurfaceID(); // aX, aY, aWidth and aHeight are in "display pixels". Multiply by // surf->GetContentsScaleFactor() to get device pixels. static nsresult DrawSurfaceToCGContext(CGContextRef aContext, MacIOSurface *surf, CGColorSpaceRef aColorSpace, int aX, int aY, size_t aWidth, size_t aHeight); // Remove & Add the layer without destroying // the renderer for fast back buffer swapping. void DetachCALayer(); void AttachCALayer(void *aCALayer); #ifdef DEBUG static void SaveToDisk(MacIOSurface *surf); #endif private: // aWidth and aHeight are in "display pixels". Multiply by // mContentsScaleFactor to get device pixels. void SetBounds(int aWidth, int aHeight); // aWidth and aHeight are in "display pixels". Multiply by // mContentsScaleFactor to get device pixels. void SetViewport(int aWidth, int aHeight); void Destroy(); void *mCARenderer; void *mWrapperCALayer; GLuint mFBOTexture; _CGLContextObject *mOpenGLContext; CGImageRef mCGImage; void *mCGData; RefPtr<MacIOSurface> mIOSurface; uint32_t mFBO; uint32_t mIOTexture; int mUnsupportedWidth; int mUnsupportedHeight; AllowOfflineRendererEnum mAllowOfflineRenderer; double mContentsScaleFactor; }; #endif // XP_MACOSX #endif // nsCoreAnimationSupport_h__