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Diffstat (limited to 'Source/WebCore/platform/graphics/openvg/SurfaceOpenVG.h')
| -rw-r--r-- | Source/WebCore/platform/graphics/openvg/SurfaceOpenVG.h | 158 |
1 files changed, 0 insertions, 158 deletions
diff --git a/Source/WebCore/platform/graphics/openvg/SurfaceOpenVG.h b/Source/WebCore/platform/graphics/openvg/SurfaceOpenVG.h deleted file mode 100644 index 19d95d875..000000000 --- a/Source/WebCore/platform/graphics/openvg/SurfaceOpenVG.h +++ /dev/null @@ -1,158 +0,0 @@ -/* - * Copyright (C) Research In Motion Limited 2009-2010. All rights reserved. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public License - * along with this library; see the file COPYING.LIB. If not, write to - * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, - * Boston, MA 02110-1301, USA. - */ - -#ifndef SurfaceOpenVG_h -#define SurfaceOpenVG_h - -#if PLATFORM(EGL) -#include <egl.h> -#endif - -#include <wtf/Noncopyable.h> - -namespace WebCore { - -#if PLATFORM(EGL) -class EGLDisplayOpenVG; -#endif -class PainterOpenVG; -class IntSize; - -/** - * SurfaceOpenVG provides the functionality of surfaces and contexts that are - * underlying the OpenVG implementation. In the vast majority of cases, that - * underlying technology is EGL, but OpenVG doesn't depend on EGL per se. - * Wrapping surface/context functionality into a separate class avoids lots - * of #ifdefs and should make it easy to add different surface/context - * implementations than EGL. - */ -class SurfaceOpenVG { - WTF_MAKE_NONCOPYABLE(SurfaceOpenVG); -public: - enum MakeCurrentMode { - ApplyPainterStateOnSurfaceSwitch, - DontApplyPainterState, - DontSaveOrApplyPainterState - }; - - static SurfaceOpenVG* currentSurface(); - -#if PLATFORM(EGL) - friend class EGLDisplayOpenVG; - - /** - * Create a new EGL pbuffer surface with the specified size and config on - * the given display. If config is not specified, the display's default - * pbuffer config is used. - * - * This constructor will trigger an assertion if creation of the surface - * fails, unless you pledge to manually process the error code by passing - * a non-zero pointer as errorCode parameter. The error code returned by - * eglGetError() will be written to that variable. - */ - SurfaceOpenVG(const IntSize& size, const EGLDisplay& display, EGLConfig* config = 0, EGLint* errorCode = 0); - - /** - * Create a new EGL pbuffer surface that will be bound to the given - * client buffer (read: VGImage), with the specified config on the - * given display. If config is not specified, the display's default - * pbuffer config is used. - * - * After the surface is created, you will only be able to access the - * client buffer image if the surface is not current. The recommended way - * to ensure this is to call surface->sharedSurface()->makeCurrent() if you - * simply want to access the image's pixel contents, or if you intend to - * draw the image directly, making the draw target surface current. - * - * This constructor will trigger an assertion if creation of the surface - * fails, unless you pledge to manually process the error code by passing - * a non-zero pointer as errorCode parameter. The error code returned by - * eglGetError() will be written to that variable. - */ - SurfaceOpenVG(EGLClientBuffer buffer, EGLenum bufferType, - const EGLDisplay& display, EGLConfig* config = 0, EGLint* errorCode = 0); - - /** - * Create a new EGL window surface with the specified native window handle - * and config on the given display. If config is not specified, the - * display's default window config is used. - */ - SurfaceOpenVG(EGLNativeWindowType window, const EGLDisplay& display, EGLConfig* config = 0); - - EGLDisplay eglDisplay() const { return m_eglDisplay; } - EGLSurface eglSurface() const { return m_eglSurface; } - EGLContext eglContext() const { return m_eglContext; } -#endif - - ~SurfaceOpenVG(); - - /** - * If a surface is invalid (could not be created), all method calls will - * crash horribly. - */ - bool isValid() const; - - int width() const; - int height() const; - - SurfaceOpenVG* sharedSurface() const; - - /** - * Make the associated GL/EGL context the current one, so that subsequent - * OpenVG commands apply to it. - */ - void makeCurrent(MakeCurrentMode mode = ApplyPainterStateOnSurfaceSwitch); - - /** - * Make a surface/context combination current that is "compatible" - * (i.e. can access its shared resources) to the given one. If no - * surface/context is current, the given one is made current. - * - * This method is meant to avoid context changes if they're not - * necessary, particularly tailored for the case where something - * compatible to the shared surface is requested while actual painting - * happens on another surface. - */ - void makeCompatibleCurrent(); - - /** - * Empty the OpenVG pipeline and make sure all the performed paint - * operations show up on the surface as actual drawn pixels. - */ - void flush(); - - void setActivePainter(PainterOpenVG*); - PainterOpenVG* activePainter(); - -private: - PainterOpenVG* m_activePainter; - static PainterOpenVG* s_currentPainter; // global currently active painter - -#if PLATFORM(EGL) - SurfaceOpenVG(); // for EGLDisplayOpenVG - - EGLDisplay m_eglDisplay; - EGLSurface m_eglSurface; - EGLContext m_eglContext; -#endif -}; - -} - -#endif |