gecko-dev/gfx/thebes/nsCoreAnimationSupport.h
2012-05-21 12:12:37 +01:00

81 lines
2.9 KiB
Objective-C

/* -*- 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 "ApplicationServices/ApplicationServices.h"
#include "nscore.h"
#include "gfxTypes.h"
#include "nsAutoPtr.h"
#include "nsIOSurface.h"
// Get the system color space.
CGColorSpaceRef THEBES_API CreateSystemColorSpace();
// Manages a CARenderer
struct _CGLPBufferObject;
struct _CGLContextObject;
enum AllowOfflineRendererEnum { ALLOW_OFFLINE_RENDERER, DISALLOW_OFFLINE_RENDERER };
class THEBES_API nsCARenderer {
NS_INLINE_DECL_REFCOUNTING(nsCARenderer)
public:
nsCARenderer() : mCARenderer(nsnull), mFBOTexture(nsnull), mOpenGLContext(nsnull),
mCGImage(nsnull), mCGData(nsnull), mIOSurface(nsnull), mFBO(nsnull),
mIOTexture(nsnull),
mUnsupportedWidth(UINT32_MAX), mUnsupportedHeight(UINT32_MAX),
mAllowOfflineRenderer(DISALLOW_OFFLINE_RENDERER) {}
~nsCARenderer();
nsresult SetupRenderer(void* aCALayer, int aWidth, int aHeight,
AllowOfflineRendererEnum aAllowOfflineRenderer);
nsresult Render(int aWidth, int aHeight, CGImageRef *aOutCAImage);
bool isInit() { return mCARenderer != nsnull; }
/*
* Render the CALayer to an IOSurface. If no IOSurface
* is attached then an internal pixel buffer will be
* used.
*/
void AttachIOSurface(nsRefPtr<nsIOSurface> aSurface);
IOSurfaceID GetIOSurfaceID();
static nsresult DrawSurfaceToCGContext(CGContextRef aContext,
nsIOSurface *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 DettachCALayer();
void AttachCALayer(void *aCALayer);
#ifdef DEBUG
static void SaveToDisk(nsIOSurface *surf);
#endif
private:
void SetBounds(int aWidth, int aHeight);
void SetViewport(int aWidth, int aHeight);
void Destroy();
void *mCARenderer;
GLuint mFBOTexture;
_CGLContextObject *mOpenGLContext;
CGImageRef mCGImage;
void *mCGData;
nsRefPtr<nsIOSurface> mIOSurface;
uint32_t mFBO;
uint32_t mIOTexture;
uint32_t mUnsupportedWidth;
uint32_t mUnsupportedHeight;
AllowOfflineRendererEnum mAllowOfflineRenderer;
};
#endif // XP_MACOSX
#endif // nsCoreAnimationSupport_h__