diff -r 41300fa6a67c -r 2f34d5167611 src/gui/egl/qegl.cpp --- a/src/gui/egl/qegl.cpp Tue Feb 02 00:43:10 2010 +0200 +++ b/src/gui/egl/qegl.cpp Fri Apr 16 15:50:13 2010 +0300 @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** @@ -54,9 +54,10 @@ static QEglContext * volatile currentGLContext = 0; static QEglContext * volatile currentVGContext = 0; +EGLDisplay QEglContext::dpy = EGL_NO_DISPLAY; + QEglContext::QEglContext() : apiType(QEgl::OpenGL) - , dpy(EGL_NO_DISPLAY) , ctx(EGL_NO_CONTEXT) , cfg(0) , currentSurface(EGL_NO_SURFACE) @@ -68,7 +69,7 @@ QEglContext::~QEglContext() { - destroy(); + destroyContext(); if (currentGLContext == this) currentGLContext = 0; @@ -86,14 +87,6 @@ return current; } -// Open the EGL display associated with "device". -bool QEglContext::openDisplay(QPaintDevice *device) -{ - if (dpy == EGL_NO_DISPLAY) - dpy = defaultDisplay(device); - return (dpy != EGL_NO_DISPLAY); -} - // Choose a configuration that matches "properties". bool QEglContext::chooseConfig (const QEglProperties& properties, QEgl::PixelFormatMatch match) @@ -102,13 +95,13 @@ do { // Get the number of matching configurations for this set of properties. EGLint matching = 0; - if (!eglChooseConfig(dpy, props.properties(), 0, 0, &matching) || !matching) + if (!eglChooseConfig(display(), props.properties(), 0, 0, &matching) || !matching) continue; // If we want the best pixel format, then return the first // matching configuration. if (match == QEgl::BestPixelFormat) { - eglChooseConfig(dpy, props.properties(), &cfg, 1, &matching); + eglChooseConfig(display(), props.properties(), &cfg, 1, &matching); if (matching < 1) continue; return true; @@ -118,13 +111,13 @@ // first that matches the pixel format we wanted. EGLint size = matching; EGLConfig *configs = new EGLConfig [size]; - eglChooseConfig(dpy, props.properties(), configs, size, &matching); + eglChooseConfig(display(), props.properties(), configs, size, &matching); for (EGLint index = 0; index < size; ++index) { EGLint red, green, blue, alpha; - eglGetConfigAttrib(dpy, configs[index], EGL_RED_SIZE, &red); - eglGetConfigAttrib(dpy, configs[index], EGL_GREEN_SIZE, &green); - eglGetConfigAttrib(dpy, configs[index], EGL_BLUE_SIZE, &blue); - eglGetConfigAttrib(dpy, configs[index], EGL_ALPHA_SIZE, &alpha); + eglGetConfigAttrib(display(), configs[index], EGL_RED_SIZE, &red); + eglGetConfigAttrib(display(), configs[index], EGL_GREEN_SIZE, &green); + eglGetConfigAttrib(display(), configs[index], EGL_BLUE_SIZE, &blue); + eglGetConfigAttrib(display(), configs[index], EGL_ALPHA_SIZE, &alpha); if (red == props.value(EGL_RED_SIZE) && green == props.value(EGL_GREEN_SIZE) && blue == props.value(EGL_BLUE_SIZE) && @@ -179,7 +172,7 @@ if (shareContext && shareContext->ctx == EGL_NO_CONTEXT) shareContext = 0; if (shareContext) { - ctx = eglCreateContext(dpy, cfg, shareContext->ctx, contextProps.properties()); + ctx = eglCreateContext(display(), cfg, shareContext->ctx, contextProps.properties()); if (ctx == EGL_NO_CONTEXT) { qWarning() << "QEglContext::createContext(): Could not share context:" << errorString(eglGetError()); shareContext = 0; @@ -188,7 +181,7 @@ } } if (ctx == EGL_NO_CONTEXT) { - ctx = eglCreateContext(dpy, cfg, 0, contextProps.properties()); + ctx = eglCreateContext(display(), cfg, 0, contextProps.properties()); if (ctx == EGL_NO_CONTEXT) { qWarning() << "QEglContext::createContext(): Unable to create EGL context:" << errorString(eglGetError()); return false; @@ -204,16 +197,15 @@ if (surface != EGL_NO_SURFACE) { if (surface == currentSurface) doneCurrent(); - eglDestroySurface(dpy, surface); + eglDestroySurface(display(), surface); } } // Destroy the context. Note: this does not destroy the surface. -void QEglContext::destroy() +void QEglContext::destroyContext() { if (ctx != EGL_NO_CONTEXT && ownsContext) - eglDestroyContext(dpy, ctx); - dpy = EGL_NO_DISPLAY; + eglDestroyContext(display(), ctx); ctx = EGL_NO_CONTEXT; cfg = 0; } @@ -248,7 +240,7 @@ eglBindAPI(EGL_OPENVG_API); #endif - bool ok = eglMakeCurrent(dpy, surface, surface, ctx); + bool ok = eglMakeCurrent(display(), surface, surface, ctx); if (!ok) qWarning() << "QEglContext::makeCurrent():" << errorString(eglGetError()); return ok; @@ -277,7 +269,7 @@ eglBindAPI(EGL_OPENVG_API); #endif - bool ok = eglMakeCurrent(dpy, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT); + bool ok = eglMakeCurrent(display(), EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT); if (!ok) qWarning() << "QEglContext::doneCurrent():" << errorString(eglGetError()); return ok; @@ -299,7 +291,7 @@ if(ctx == EGL_NO_CONTEXT) return false; - bool ok = eglSwapBuffers(dpy, surface); + bool ok = eglSwapBuffers(display(), surface); if (!ok) qWarning() << "QEglContext::swapBuffers():" << errorString(eglGetError()); return ok; @@ -338,7 +330,7 @@ // Query the value of a configuration attribute. bool QEglContext::configAttrib(int name, EGLint *value) const { - return eglGetConfigAttrib(dpy, cfg, name, value); + return eglGetConfigAttrib(display(), cfg, name, value); } // Retrieve all of the properties on "cfg". If zero, return @@ -350,34 +342,45 @@ QEglProperties props; for (int name = 0x3020; name <= 0x304F; ++name) { EGLint value; - if (name != EGL_NONE && eglGetConfigAttrib(dpy, cfg, name, &value)) + if (name != EGL_NONE && eglGetConfigAttrib(display(), cfg, name, &value)) props.setValue(name, value); } eglGetError(); // Clear the error state. return props; } -// Initialize and return the default display. -EGLDisplay QEglContext::defaultDisplay(QPaintDevice *device) +EGLDisplay QEglContext::display() { - static EGLDisplay dpy = EGL_NO_DISPLAY; - if (dpy == EGL_NO_DISPLAY) { - dpy = getDisplay(device); + static bool openedDisplay = false; + + if (!openedDisplay) { + dpy = eglGetDisplay(nativeDisplay()); + openedDisplay = true; if (dpy == EGL_NO_DISPLAY) { - qWarning() << "QEglContext::defaultDisplay(): Cannot open EGL display"; + qWarning("QEglContext::display(): Falling back to EGL_DEFAULT_DISPLAY"); + dpy = eglGetDisplay(EGLNativeDisplayType(EGL_DEFAULT_DISPLAY)); + } + if (dpy == EGL_NO_DISPLAY) { + qWarning("QEglContext::display(): Can't even open the default display"); return EGL_NO_DISPLAY; } + if (!eglInitialize(dpy, NULL, NULL)) { - qWarning() << "QEglContext::defaultDisplay(): Cannot initialize EGL display:" << errorString(eglGetError()); + qWarning() << "QEglContext::display(): Cannot initialize EGL display:" << errorString(eglGetError()); return EGL_NO_DISPLAY; } -#ifdef EGL_OPENGL_ES_API - eglBindAPI(EGL_OPENGL_ES_API); -#endif } + return dpy; } +#if !defined(Q_WS_X11) && !defined(Q_WS_WINCE) // WinCE & X11 implement this properly +EGLNativeDisplayType QEglContext::nativeDisplay() +{ + return EGL_DEFAULT_DISPLAY; +} +#endif + // Return the error string associated with a specific code. QString QEglContext::errorString(EGLint code) { @@ -410,10 +413,10 @@ { QEglProperties props; EGLint count = 0; - if (!eglGetConfigs(dpy, 0, 0, &count) || count < 1) + if (!eglGetConfigs(display(), 0, 0, &count) || count < 1) return; EGLConfig *configs = new EGLConfig [count]; - eglGetConfigs(dpy, configs, count, &count); + eglGetConfigs(display(), configs, count, &count); for (EGLint index = 0; index < count; ++index) { props = configProperties(configs[index]); qWarning() << props.toString(); @@ -423,7 +426,7 @@ QString QEglContext::extensions() { - const char* exts = eglQueryString(QEglContext::defaultDisplay(0), EGL_EXTENSIONS); + const char* exts = eglQueryString(QEglContext::display(), EGL_EXTENSIONS); return QString(QLatin1String(exts)); } @@ -431,7 +434,7 @@ { QList extensions = QByteArray(reinterpret_cast - (eglQueryString(QEglContext::defaultDisplay(0), EGL_EXTENSIONS))).split(' '); + (eglQueryString(QEglContext::display(), EGL_EXTENSIONS))).split(' '); return extensions.contains(extensionName); }