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81 lines
2.9 KiB
Objective-C
81 lines
2.9 KiB
Objective-C
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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// vim:set ts=2 sts=2 sw=2 et cin:
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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 nsCoreAnimationSupport_h__
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#define nsCoreAnimationSupport_h__
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#ifdef XP_MACOSX
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#import <OpenGL/OpenGL.h>
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#import "ApplicationServices/ApplicationServices.h"
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#include "nscore.h"
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#include "gfxTypes.h"
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#include "nsAutoPtr.h"
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#include "nsIOSurface.h"
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// Get the system color space.
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CGColorSpaceRef THEBES_API CreateSystemColorSpace();
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// Manages a CARenderer
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struct _CGLPBufferObject;
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struct _CGLContextObject;
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enum AllowOfflineRendererEnum { ALLOW_OFFLINE_RENDERER, DISALLOW_OFFLINE_RENDERER };
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class THEBES_API nsCARenderer {
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NS_INLINE_DECL_REFCOUNTING(nsCARenderer)
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public:
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nsCARenderer() : mCARenderer(nsnull), mFBOTexture(nsnull), mOpenGLContext(nsnull),
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mCGImage(nsnull), mCGData(nsnull), mIOSurface(nsnull), mFBO(nsnull),
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mIOTexture(nsnull),
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mUnsupportedWidth(UINT32_MAX), mUnsupportedHeight(UINT32_MAX),
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mAllowOfflineRenderer(DISALLOW_OFFLINE_RENDERER) {}
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~nsCARenderer();
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nsresult SetupRenderer(void* aCALayer, int aWidth, int aHeight,
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AllowOfflineRendererEnum aAllowOfflineRenderer);
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nsresult Render(int aWidth, int aHeight, CGImageRef *aOutCAImage);
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bool isInit() { return mCARenderer != nsnull; }
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/*
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* Render the CALayer to an IOSurface. If no IOSurface
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* is attached then an internal pixel buffer will be
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* used.
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*/
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void AttachIOSurface(nsRefPtr<nsIOSurface> aSurface);
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IOSurfaceID GetIOSurfaceID();
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static nsresult DrawSurfaceToCGContext(CGContextRef aContext,
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nsIOSurface *surf,
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CGColorSpaceRef aColorSpace,
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int aX, int aY,
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size_t aWidth, size_t aHeight);
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// Remove & Add the layer without destroying
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// the renderer for fast back buffer swapping.
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void DettachCALayer();
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void AttachCALayer(void *aCALayer);
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#ifdef DEBUG
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static void SaveToDisk(nsIOSurface *surf);
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#endif
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private:
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void SetBounds(int aWidth, int aHeight);
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void SetViewport(int aWidth, int aHeight);
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void Destroy();
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void *mCARenderer;
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GLuint mFBOTexture;
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_CGLContextObject *mOpenGLContext;
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CGImageRef mCGImage;
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void *mCGData;
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nsRefPtr<nsIOSurface> mIOSurface;
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uint32_t mFBO;
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uint32_t mIOTexture;
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uint32_t mUnsupportedWidth;
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uint32_t mUnsupportedHeight;
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AllowOfflineRendererEnum mAllowOfflineRenderer;
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};
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#endif // XP_MACOSX
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#endif // nsCoreAnimationSupport_h__
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