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Diffstat (limited to 'src/opengl/qegl.cpp')
| -rw-r--r-- | src/opengl/qegl.cpp | 842 |
1 files changed, 0 insertions, 842 deletions
diff --git a/src/opengl/qegl.cpp b/src/opengl/qegl.cpp deleted file mode 100644 index 290f77c..0000000 --- a/src/opengl/qegl.cpp +++ /dev/null @@ -1,842 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** Contact: Qt Software Information (qt-info@nokia.com) -** -** This file is part of the QtOpenGL module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** No Commercial Usage -** This file contains pre-release code and may not be distributed. -** You may use this file in accordance with the terms and conditions -** contained in the either Technology Preview License Agreement or the -** Beta Release License Agreement. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 2.1 requirements -** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain -** additional rights. These rights are described in the Nokia Qt LGPL -** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this -** package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 3.0 as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU General Public License version 3.0 requirements will be -** met: http://www.gnu.org/copyleft/gpl.html. -** -** If you are unsure which license is appropriate for your use, please -** contact the sales department at qt-sales@nokia.com. -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include <QtGui/qpaintdevice.h> -#include <QtGui/qpixmap.h> -#include <QtGui/qwidget.h> -#include <QtCore/qdebug.h> -#include "qegl_p.h" - -#if defined(QT_OPENGL_ES) || defined(QT_OPENVG) - -QT_BEGIN_NAMESPACE - -QEglContext::QEglContext() -{ - apiType = OpenGL; - dpy = EGL_NO_DISPLAY; - ctx = EGL_NO_CONTEXT; - surf = EGL_NO_SURFACE; - cfg = 0; - share = false; - reserved = 0; -} - -QEglContext::~QEglContext() -{ - destroy(); -} - -bool QEglContext::isValid() const -{ - return (ctx != EGL_NO_CONTEXT); -} - -bool QEglContext::isSharing() const -{ - return share; -} - -// 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, PixelFormatMatch match) -{ - QEglProperties props(properties); - EGLConfig *configs; - EGLint matching, size; - do { - // Get the number of matching configurations for this set of properties. - matching = 0; - if (!eglChooseConfig(dpy, props.properties(), 0, 256, &matching) || !matching) - continue; - - // If we want the best pixel format, then return the first - // matching configuration. - if (match == BestPixelFormat) { - eglChooseConfig(dpy, props.properties(), &cfg, 1, &matching); - if (matching < 1) - continue; - return true; - } - - // Fetch all of the matching configurations and find the - // first that matches the pixel format we wanted. - size = matching; - configs = new EGLConfig [size]; - eglChooseConfig(dpy, 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); - if (red == props.value(EGL_RED_SIZE) && - green == props.value(EGL_GREEN_SIZE) && - blue == props.value(EGL_BLUE_SIZE) && - (props.value(EGL_ALPHA_SIZE) == 0 || - alpha == props.value(EGL_ALPHA_SIZE))) { - cfg = configs[index]; - delete [] configs; - return true; - } - } - delete [] configs; - } while (props.reduceConfiguration()); - -#ifdef EGL_BIND_TO_TEXTURE_RGBA - // Don't report an error just yet if we failed to get a pbuffer - // configuration with texture rendering. Only report failure if - // we cannot get any pbuffer configurations at all. - if (props.value(EGL_BIND_TO_TEXTURE_RGBA) == EGL_DONT_CARE && - props.value(EGL_BIND_TO_TEXTURE_RGB) == EGL_DONT_CARE) -#endif - { - qWarning() << "QEglContext::chooseConfig(): Could not find a suitable EGL configuration"; - qWarning() << "Requested:" << props.toString(); - qWarning() << "Available:"; - dumpAllConfigs(); - } - return false; -} - -// Create the EGLContext. -bool QEglContext::createContext(QEglContext *shareContext) -{ - // We need to select the correct API before calling eglCreateContext(). -#ifdef EGL_OPENGL_ES_API - if (apiType == OpenGL) - eglBindAPI(EGL_OPENGL_ES_API); -#endif -#ifdef EGL_OPENVG_API - if (apiType == OpenVG) - eglBindAPI(EGL_OPENVG_API); -#endif - - // Create a new context for the configuration. - QEglProperties contextProps; -#if defined(QT_OPENGL_ES_2) - if (apiType == OpenGL) - contextProps.setValue(EGL_CONTEXT_CLIENT_VERSION, 2); -#endif - if (shareContext && shareContext->ctx == EGL_NO_CONTEXT) - shareContext = 0; - if (shareContext) { - ctx = eglCreateContext(dpy, cfg, shareContext->ctx, contextProps.properties()); - if (ctx == EGL_NO_CONTEXT) { - qWarning() << "QEglContext::createContext(): Could not share context:" << errorString(eglGetError()); - shareContext = 0; - } - } - if (ctx == EGL_NO_CONTEXT) { - ctx = eglCreateContext(dpy, cfg, 0, contextProps.properties()); - if (ctx == EGL_NO_CONTEXT) { - qWarning() << "QEglContext::createContext(): Unable to create EGL context:" << errorString(eglGetError()); - return false; - } - } - share = (shareContext != 0); - return true; -} - -// Recreate the surface for a paint device because the native id has changed. -bool QEglContext::recreateSurface(QPaintDevice *device) -{ - // Bail out if the surface has not been created for the first time yet. - if (surf == EGL_NO_SURFACE) - return true; - - // Destroy the old surface. - eglDestroySurface(dpy, surf); - - // Create a new one. - return createSurface(device); -} - -void QEglContext::destroy() -{ - if (ctx != EGL_NO_CONTEXT) - eglDestroyContext(dpy, ctx); - dpy = EGL_NO_DISPLAY; - ctx = EGL_NO_CONTEXT; - surf = EGL_NO_SURFACE; - cfg = 0; - share = false; -} - -bool QEglContext::makeCurrent() -{ - if(ctx == EGL_NO_CONTEXT) { - qWarning() << "QEglContext::makeCurrent(): Cannot make invalid context current"; - return false; - } - - bool ok = eglMakeCurrent(dpy, surf, surf, ctx); - if (!ok) { - EGLint err = eglGetError(); - qWarning() << "QEglContext::makeCurrent():" << errorString(err); - } - return ok; -} - -bool QEglContext::doneCurrent() -{ - // If the context is invalid, we assume that an error was reported - // when makeCurrent() was called. - if (ctx == EGL_NO_CONTEXT) - return false; - - // We need to select the correct API before calling eglMakeCurrent() - // with EGL_NO_CONTEXT because threads can have both OpenGL and OpenVG - // contexts active at the same time. -#ifdef EGL_OPENGL_ES_API - if (apiType == OpenGL) - eglBindAPI(EGL_OPENGL_ES_API); -#endif -#ifdef EGL_OPENVG_API - if (apiType == OpenVG) - eglBindAPI(EGL_OPENVG_API); -#endif - - bool ok = eglMakeCurrent(dpy, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT); - if (!ok) { - EGLint err = eglGetError(); - qWarning() << "QEglContext::doneCurrent():" << errorString(err); - } - return ok; -} - -bool QEglContext::swapBuffers() -{ - if(ctx == EGL_NO_CONTEXT) - return false; - - bool ok = eglSwapBuffers(dpy, surf); - if (!ok) { - EGLint err = eglGetError(); - qWarning() << "QEglContext::swapBuffers():" << errorString(err); - } - return ok; -} - -// Wait for native rendering operations to complete before starting -// to use OpenGL/OpenVG operations. -void QEglContext::waitNative() -{ -#ifdef EGL_CORE_NATIVE_ENGINE - eglWaitNative(EGL_CORE_NATIVE_ENGINE); -#endif -} - -// Wait for client OpenGL/OpenVG operations to complete before -// using native rendering operations. -void QEglContext::waitClient() -{ -#ifdef EGL_OPENGL_ES_API - if (apiType == OpenGL) { - eglBindAPI(EGL_OPENGL_ES_API); - eglWaitClient(); - } -#else - if (apiType == OpenGL) - eglWaitGL(); -#endif -#ifdef EGL_OPENVG_API - if (apiType == OpenVG) { - eglBindAPI(EGL_OPENVG_API); - eglWaitClient(); - } -#endif -} - -// Query the actual size of the EGL surface. -QSize QEglContext::surfaceSize() const -{ - int w, h; - eglQuerySurface(dpy, surf, EGL_WIDTH, &w); - eglQuerySurface(dpy, surf, EGL_HEIGHT, &h); - return QSize(w, h); -} - -// Query the value of a configuration attribute. -bool QEglContext::configAttrib(int name, EGLint *value) const -{ - return eglGetConfigAttrib(dpy, cfg, name, value); -} - -// Retrieve all of the properties on "cfg". If zero, return -// the context's configuration. -QEglProperties QEglContext::configProperties(EGLConfig cfg) const -{ - if (!cfg) - cfg = config(); - QEglProperties props; - for (int name = 0x3020; name <= 0x304F; ++name) { - EGLint value; - if (name != EGL_NONE && eglGetConfigAttrib(dpy, 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) -{ - static EGLDisplay dpy = EGL_NO_DISPLAY; - if (dpy == EGL_NO_DISPLAY) { - dpy = getDisplay(device); - if (dpy == EGL_NO_DISPLAY) { - qWarning() << "QEglContext::defaultDisplay(): Cannot open EGL display"; - return EGL_NO_DISPLAY; - } - if (!eglInitialize(dpy, NULL, NULL)) { - EGLint err = eglGetError(); - qWarning() << "QEglContext::defaultDisplay(): Cannot initialize EGL display:" << errorString(err); - return EGL_NO_DISPLAY; - } -#ifdef EGL_OPENGL_ES_API - eglBindAPI(EGL_OPENGL_ES_API); -#endif - } - return dpy; -} - -// Return the error string associated with a specific code. -QString QEglContext::errorString(int code) -{ - static const char * const errors[] = { - "Success (0x3000)", // No tr - "Not initialized (0x3001)", // No tr - "Bad access (0x3002)", // No tr - "Bad alloc (0x3003)", // No tr - "Bad attribute (0x3004)", // No tr - "Bad config (0x3005)", // No tr - "Bad context (0x3006)", // No tr - "Bad current surface (0x3007)", // No tr - "Bad display (0x3008)", // No tr - "Bad match (0x3009)", // No tr - "Bad native pixmap (0x300A)", // No tr - "Bad native window (0x300B)", // No tr - "Bad parameter (0x300C)", // No tr - "Bad surface (0x300D)", // No tr - "Context lost (0x300E)" // No tr - }; - if (code >= 0x3000 && code <= 0x300E) { - return QString::fromLatin1(errors[code - 0x3000]); - } else { - return QLatin1String("0x") + QString::number(code, 16); - } -} - -// Dump all of the EGL configurations supported by the system. -void QEglContext::dumpAllConfigs() -{ - QEglProperties props; - EGLint count = 0; - if (!eglGetConfigs(dpy, 0, 0, &count)) - return; - if (count < 1) - return; - EGLConfig *configs = new EGLConfig [count]; - eglGetConfigs(dpy, configs, count, &count); - for (EGLint index = 0; index < count; ++index) { - props = configProperties(configs[index]); - qWarning() << props.toString(); - } - delete [] configs; -} - -// Initialize a property block. -QEglProperties::QEglProperties() -{ - props.append(EGL_NONE); -} - -// Fetch the current value associated with a property. -int QEglProperties::value(int name) const -{ - for (int index = 0; index < (props.size() - 1); index += 2) { - if (props[index] == name) - return props[index + 1]; - } - - // If the attribute has not been explicitly set, return the EGL default - // The following defaults were taken from the EGL 1.4 spec: - switch(name) { - case EGL_BUFFER_SIZE: return 0; - case EGL_RED_SIZE: return 0; - case EGL_GREEN_SIZE: return 0; - case EGL_BLUE_SIZE: return 0; - case EGL_ALPHA_SIZE: return 0; -#if defined(EGL_LUMINANCE_SIZE) - case EGL_LUMINANCE_SIZE: return 0; -#endif -#if defined(EGL_ALPHA_MASK_SIZE) - case EGL_ALPHA_MASK_SIZE: return 0; -#endif - case EGL_BIND_TO_TEXTURE_RGB: return EGL_DONT_CARE; - case EGL_BIND_TO_TEXTURE_RGBA: return EGL_DONT_CARE; -#if defined(EGL_COLOR_BUFFER_TYPE) - case EGL_COLOR_BUFFER_TYPE: return EGL_RGB_BUFFER; -#endif - case EGL_CONFIG_CAVEAT: return EGL_DONT_CARE; - case EGL_CONFIG_ID: return EGL_DONT_CARE; - case EGL_DEPTH_SIZE: return 0; - case EGL_LEVEL: return 0; - case EGL_NATIVE_RENDERABLE: return EGL_DONT_CARE; - case EGL_NATIVE_VISUAL_TYPE: return EGL_DONT_CARE; - case EGL_MAX_SWAP_INTERVAL: return EGL_DONT_CARE; - case EGL_MIN_SWAP_INTERVAL: return EGL_DONT_CARE; -#if defined(EGL_RENDERABLE_TYPE) - case EGL_RENDERABLE_TYPE: return EGL_OPENGL_ES_BIT; -#endif - case EGL_SAMPLE_BUFFERS: return 0; - case EGL_SAMPLES: return 0; - case EGL_STENCIL_SIZE: return 0; - case EGL_SURFACE_TYPE: return EGL_WINDOW_BIT; - case EGL_TRANSPARENT_TYPE: return EGL_NONE; - case EGL_TRANSPARENT_RED_VALUE: return EGL_DONT_CARE; - case EGL_TRANSPARENT_GREEN_VALUE: return EGL_DONT_CARE; - case EGL_TRANSPARENT_BLUE_VALUE: return EGL_DONT_CARE; - -#if defined(EGL_VERSION_1_3) - case EGL_CONFORMANT: return 0; - case EGL_MATCH_NATIVE_PIXMAP: return EGL_NONE; -#endif - - case EGL_MAX_PBUFFER_HEIGHT: - case EGL_MAX_PBUFFER_WIDTH: - case EGL_MAX_PBUFFER_PIXELS: - case EGL_NATIVE_VISUAL_ID: - case EGL_NONE: - qWarning("QEglProperties::value() - Attibute %d does not affect config selection", name); - return EGL_DONT_CARE; - default: - qWarning("QEglProperties::value() - Attibute %d is unknown in EGL <=1.4", name); - return EGL_DONT_CARE; - } -} - -// Set the value associated with a property, replacing an existing -// value if there is one. -void QEglProperties::setValue(int name, int value) -{ - for (int index = 0; index < (props.size() - 1); index += 2) { - if (props[index] == name) { - props[index + 1] = value; - return; - } - } - props[props.size() - 1] = name; - props.append(value); - props.append(EGL_NONE); -} - -// Remove a property value. Returns false if the property is not present. -bool QEglProperties::removeValue(int name) -{ - for (int index = 0; index < (props.size() - 1); index += 2) { - if (props[index] == name) { - while ((index + 2) < props.size()) { - props[index] = props[index + 2]; - ++index; - } - props.resize(props.size() - 2); - return true; - } - } - return false; -} - -// Sets the red, green, blue, and alpha sizes based on a pixel format. -// Normally used to match a configuration request to the screen format. -void QEglProperties::setPixelFormat(QImage::Format pixelFormat) -{ - int red, green, blue, alpha; - switch (pixelFormat) { - case QImage::Format_RGB32: - case QImage::Format_RGB888: - red = green = blue = 8; alpha = 0; break; - case QImage::Format_ARGB32: - case QImage::Format_ARGB32_Premultiplied: - red = green = blue = alpha = 8; break; - case QImage::Format_RGB16: - red = 5; green = 6; blue = 5; alpha = 0; break; - case QImage::Format_ARGB8565_Premultiplied: - red = 5; green = 6; blue = 5; alpha = 8; break; - case QImage::Format_RGB666: - red = green = blue = 6; alpha = 0; break; - case QImage::Format_ARGB6666_Premultiplied: - red = green = blue = alpha = 6; break; - case QImage::Format_RGB555: - red = green = blue = 5; alpha = 0; break; - case QImage::Format_ARGB8555_Premultiplied: - red = green = blue = 5; alpha = 8; break; - case QImage::Format_RGB444: - red = green = blue = 4; alpha = 0; break; - case QImage::Format_ARGB4444_Premultiplied: - red = green = blue = alpha = 4; break; - default: - qWarning() << "QEglProperties::setPixelFormat(): Unsupported pixel format"; - red = green = blue = alpha = 1; break; - } - setValue(EGL_RED_SIZE, red); - setValue(EGL_GREEN_SIZE, green); - setValue(EGL_BLUE_SIZE, blue); - setValue(EGL_ALPHA_SIZE, alpha); -} - -void QEglProperties::setRenderableType(int api) -{ -#if defined(EGL_RENDERABLE_TYPE) -#if defined(QT_OPENGL_ES_2) - if (api == QEglContext::OpenGL) - setValue(EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT); -#elif defined(QT_OPENGL_ES) - if (api == QEglContext::OpenGL) - setValue(EGL_RENDERABLE_TYPE, EGL_OPENGL_ES_BIT); -#endif -#if defined(EGL_OPENVG_BIT) - if (api == QEglContext::OpenVG) - setValue(EGL_RENDERABLE_TYPE, EGL_OPENVG_BIT); -#endif -#else - Q_UNUSED(api); -#endif -} - -// Reduce the complexity of a configuration request to ask for less -// because the previous request did not result in success. Returns -// true if the complexity was reduced, or false if no further -// reductions in complexity are possible. -bool QEglProperties::reduceConfiguration() -{ - if (removeValue(EGL_SAMPLE_BUFFERS)) { - removeValue(EGL_SAMPLES); - return true; - } - if (removeValue(EGL_ALPHA_SIZE)) - return true; - if (removeValue(EGL_STENCIL_SIZE)) - return true; - if (removeValue(EGL_DEPTH_SIZE)) - return true; - return false; -} - -static void addTag(QString& str, const QString& tag) -{ - int lastnl = str.lastIndexOf(QLatin1String("\n")); - if (lastnl == -1) - lastnl = 0; - if ((str.length() - lastnl) >= 50) - str += QLatin1String("\n "); - str += tag; -} - -// Convert a property list to a string suitable for debug output. -QString QEglProperties::toString() const -{ - QString str; - int val; - - val = value(EGL_CONFIG_ID); - if (val != EGL_DONT_CARE) { - str += QLatin1String("id="); - str += QString::number(val); - str += QLatin1Char(' '); - } - -#ifdef EGL_RENDERABLE_TYPE - val = value(EGL_RENDERABLE_TYPE); - if (val != EGL_DONT_CARE) { - str += QLatin1String("type="); - QStringList types; - if ((val & EGL_OPENGL_ES_BIT) != 0) - types += QLatin1String("es1"); -#ifdef EGL_OPENGL_ES2_BIT - if ((val & EGL_OPENGL_ES2_BIT) != 0) - types += QLatin1String("es2"); -#endif - if ((val & EGL_OPENVG_BIT) != 0) - types += QLatin1String("vg"); - if ((val & ~7) != 0) - types += QString::number(val); - str += types.join(QLatin1String(",")); - } else { - str += QLatin1String("type=any"); - } -#else - str += QLatin1String("type=es1"); -#endif - - int red = value(EGL_RED_SIZE); - int green = value(EGL_GREEN_SIZE); - int blue = value(EGL_BLUE_SIZE); - int alpha = value(EGL_ALPHA_SIZE); - int bufferSize = value(EGL_BUFFER_SIZE); - if (bufferSize == (red + green + blue + alpha)) - bufferSize = EGL_DONT_CARE; - str += QLatin1String(" rgba="); - str += QString::number(red); - str += QLatin1Char(','); - str += QString::number(green); - str += QLatin1Char(','); - str += QString::number(blue); - str += QLatin1Char(','); - str += QString::number(alpha); - if (bufferSize != EGL_DONT_CARE) { - // Only report buffer size if different than r+g+b+a. - str += QLatin1String(" buffer-size="); - str += QString::number(bufferSize); - } - -#ifdef EGL_COLOR_BUFFER_TYPE - val = value(EGL_COLOR_BUFFER_TYPE); - if (val == EGL_LUMINANCE_BUFFER) { - addTag(str, QLatin1String(" color-buffer-type=luminance")); - } else if (val != EGL_DONT_CARE && val != EGL_RGB_BUFFER) { - addTag(str, QLatin1String(" color-buffer-type=")); - str += QString::number(val, 16); - } -#endif - - val = value(EGL_DEPTH_SIZE); - if (val != 0) { - addTag(str, QLatin1String(" depth=")); - str += QString::number(val); - } - - val = value(EGL_STENCIL_SIZE); - if (val != 0) { - addTag(str, QLatin1String(" stencil=")); - str += QString::number(val); - } - - val = value(EGL_SURFACE_TYPE); - if (val != EGL_DONT_CARE) { - addTag(str, QLatin1String(" surface-type=")); - QStringList types; - if ((val & EGL_WINDOW_BIT) != 0) - types += QLatin1String("window"); - if ((val & EGL_PIXMAP_BIT) != 0) - types += QLatin1String("pixmap"); - if ((val & EGL_PBUFFER_BIT) != 0) - types += QLatin1String("pbuffer"); -#ifdef EGL_VG_COLORSPACE_LINEAR_BIT - if ((val & EGL_VG_COLORSPACE_LINEAR_BIT) != 0) - types += QLatin1String("vg-colorspace-linear"); -#endif -#ifdef EGL_VG_ALPHA_FORMAT_PRE_BIT - if ((val & EGL_VG_ALPHA_FORMAT_PRE_BIT) != 0) - types += QLatin1String("vg-alpha-format-pre"); -#endif - if ((val & ~(EGL_WINDOW_BIT | EGL_PIXMAP_BIT | EGL_PBUFFER_BIT -#ifdef EGL_VG_COLORSPACE_LINEAR_BIT - | EGL_VG_COLORSPACE_LINEAR_BIT -#endif -#ifdef EGL_VG_ALPHA_FORMAT_PRE_BIT - | EGL_VG_ALPHA_FORMAT_PRE_BIT -#endif - )) != 0) { - types += QString::number(val); - } - str += types.join(QLatin1String(",")); - } - - val = value(EGL_CONFIG_CAVEAT); - if (val != EGL_DONT_CARE) { - addTag(str, QLatin1String(" caveat=")); - if (val == EGL_NONE) - str += QLatin1String("none"); - else if (val == EGL_SLOW_CONFIG) - str += QLatin1String("slow"); - else if (val == EGL_NON_CONFORMANT_CONFIG) - str += QLatin1String("non-conformant"); - else - str += QString::number(val, 16); - } - - val = value(EGL_LEVEL); - if (val != 0) { - addTag(str, QLatin1String(" level=")); - str += QString::number(val); - } - - int width, height, pixels; - width = value(EGL_MAX_PBUFFER_WIDTH); - height = value(EGL_MAX_PBUFFER_HEIGHT); - pixels = value(EGL_MAX_PBUFFER_PIXELS); - if (height != EGL_DONT_CARE || width != EGL_DONT_CARE) { - addTag(str, QLatin1String(" max-pbuffer-size=")); - str += QString::number(width); - str += QLatin1Char('x'); - str += QString::number(height); - if (pixels != (width * height)) { - addTag(str, QLatin1String(" max-pbuffer-pixels=")); - str += QString::number(pixels); - } - } - - val = value(EGL_NATIVE_RENDERABLE); - if (val != EGL_DONT_CARE) { - if (val) - addTag(str, QLatin1String(" native-renderable=true")); - else - addTag(str, QLatin1String(" native-renderable=false")); - } - - val = value(EGL_NATIVE_VISUAL_ID); - if (val != EGL_DONT_CARE) { - addTag(str, QLatin1String(" visual-id=")); - str += QString::number(val); - } - - val = value(EGL_NATIVE_VISUAL_TYPE); - if (val != EGL_DONT_CARE) { - addTag(str, QLatin1String(" visual-type=")); - str += QString::number(val); - } - -#ifdef EGL_PRESERVED_RESOURCES - val = value(EGL_PRESERVED_RESOURCES); - if (val != EGL_DONT_CARE) { - if (val) - addTag(str, QLatin1String(" preserved-resources=true")); - else - addTag(str, QLatin1String(" preserved-resources=false")); - } -#endif - - val = value(EGL_SAMPLES); - if (val != 0) { - addTag(str, QLatin1String(" samples=")); - str += QString::number(val); - } - - val = value(EGL_SAMPLE_BUFFERS); - if (val != 0) { - addTag(str, QLatin1String(" sample-buffers=")); - str += QString::number(val); - } - - val = value(EGL_TRANSPARENT_TYPE); - if (val == EGL_TRANSPARENT_RGB) { - addTag(str, QLatin1String(" transparent-rgb=")); - str += QString::number(value(EGL_TRANSPARENT_RED_VALUE)); - str += QLatin1Char(','); - str += QString::number(value(EGL_TRANSPARENT_GREEN_VALUE)); - str += QLatin1Char(','); - str += QString::number(value(EGL_TRANSPARENT_BLUE_VALUE)); - } - -#if defined(EGL_BIND_TO_TEXTURE_RGB) && defined(EGL_BIND_TO_TEXTURE_RGBA) - val = value(EGL_BIND_TO_TEXTURE_RGB); - int val2 = value(EGL_BIND_TO_TEXTURE_RGBA); - if (val != EGL_DONT_CARE || val2 != EGL_DONT_CARE) { - addTag(str, QLatin1String(" bind-texture=")); - if (val == EGL_TRUE) - str += QLatin1String("rgb"); - else - str += QLatin1String("no-rgb"); - if (val2 == EGL_TRUE) - str += QLatin1String(",rgba"); - else - str += QLatin1String(",no-rgba"); - } -#endif - -#ifdef EGL_MIN_SWAP_INTERVAL - val = value(EGL_MIN_SWAP_INTERVAL); - if (val != EGL_DONT_CARE) { - addTag(str, QLatin1String(" min-swap-interval=")); - str += QString::number(val); - } -#endif - -#ifdef EGL_MIN_SWAP_INTERVAL - val = value(EGL_MAX_SWAP_INTERVAL); - if (val != EGL_DONT_CARE) { - addTag(str, QLatin1String(" max-swap-interval=")); - str += QString::number(val); - } -#endif - -#ifdef EGL_LUMINANCE_SIZE - val = value(EGL_LUMINANCE_SIZE); - if (val != 0) { - addTag(str, QLatin1String(" luminance=")); - str += QString::number(val); - } -#endif - -#ifdef EGL_ALPHA_MASK_SIZE - val = value(EGL_ALPHA_MASK_SIZE); - if (val != 0) { - addTag(str, QLatin1String(" alpha-mask=")); - str += QString::number(val); - } -#endif - -#ifdef EGL_CONFORMANT - val = value(EGL_CONFORMANT); - if (val != 0) { - if (val) - addTag(str, QLatin1String(" conformant=true")); - else - addTag(str, QLatin1String(" conformant=false")); - } -#endif - - return str; -} - -QT_END_NAMESPACE - -#endif // QT_OPENGL_ES || QT_OPENVG |