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Diffstat (limited to 'src/plugins/platforms/eglconvenience/qxlibeglintegration.cpp')
-rw-r--r--src/plugins/platforms/eglconvenience/qxlibeglintegration.cpp184
1 files changed, 0 insertions, 184 deletions
diff --git a/src/plugins/platforms/eglconvenience/qxlibeglintegration.cpp b/src/plugins/platforms/eglconvenience/qxlibeglintegration.cpp
deleted file mode 100644
index cbd8f7d7c6..0000000000
--- a/src/plugins/platforms/eglconvenience/qxlibeglintegration.cpp
+++ /dev/null
@@ -1,184 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
-** All rights reserved.
-** Contact: Nokia Corporation (qt-info@nokia.com)
-**
-** This file is part of the plugins of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** GNU Lesser General Public License Usage
-** 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 1.1, 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.
-**
-** Other Usage
-** Alternatively, this file may be used in accordance with the terms and
-** conditions contained in a signed written agreement between you and Nokia.
-**
-**
-**
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include "qxlibeglintegration.h"
-
-static int countBits(unsigned long mask)
-{
- int count = 0;
- while (mask != 0) {
- if (mask & 1)
- ++count;
- mask >>= 1;
- }
- return count;
-}
-
-VisualID QXlibEglIntegration::getCompatibleVisualId(Display *display, EGLDisplay eglDisplay, EGLConfig config)
-{
- VisualID visualId = 0;
- EGLint eglValue = 0;
-
- EGLint configRedSize = 0;
- eglGetConfigAttrib(eglDisplay, config, EGL_RED_SIZE, &configRedSize);
-
- EGLint configGreenSize = 0;
- eglGetConfigAttrib(eglDisplay, config, EGL_GREEN_SIZE, &configGreenSize);
-
- EGLint configBlueSize = 0;
- eglGetConfigAttrib(eglDisplay, config, EGL_BLUE_SIZE, &configBlueSize);
-
- EGLint configAlphaSize = 0;
- eglGetConfigAttrib(eglDisplay, config, EGL_ALPHA_SIZE, &configAlphaSize);
-
- eglGetConfigAttrib(eglDisplay, config, EGL_CONFIG_ID, &eglValue);
- int configId = eglValue;
-
- // See if EGL provided a valid VisualID:
- eglGetConfigAttrib(eglDisplay, config, EGL_NATIVE_VISUAL_ID, &eglValue);
- visualId = (VisualID)eglValue;
- if (visualId) {
- // EGL has suggested a visual id, so get the rest of the visual info for that id:
- XVisualInfo visualInfoTemplate;
- memset(&visualInfoTemplate, 0, sizeof(XVisualInfo));
- visualInfoTemplate.visualid = visualId;
-
- XVisualInfo *chosenVisualInfo;
- int matchingCount = 0;
- chosenVisualInfo = XGetVisualInfo(display, VisualIDMask, &visualInfoTemplate, &matchingCount);
- if (chosenVisualInfo) {
- // Skip size checks if implementation supports non-matching visual
- // and config (http://bugreports.qt.nokia.com/browse/QTBUG-9444).
- if (q_hasEglExtension(eglDisplay,"EGL_NV_post_convert_rounding")) {
- XFree(chosenVisualInfo);
- return visualId;
- }
-
- int visualRedSize = countBits(chosenVisualInfo->red_mask);
- int visualGreenSize = countBits(chosenVisualInfo->green_mask);
- int visualBlueSize = countBits(chosenVisualInfo->blue_mask);
- int visualAlphaSize = -1; // Need XRender to tell us the alpha channel size
-
- bool visualMatchesConfig = false;
- if ( visualRedSize == configRedSize &&
- visualGreenSize == configGreenSize &&
- visualBlueSize == configBlueSize )
- {
- // We need XRender to check the alpha channel size of the visual. If we don't have
- // the alpha size, we don't check it against the EGL config's alpha size.
- if (visualAlphaSize >= 0)
- visualMatchesConfig = visualAlphaSize == configAlphaSize;
- else
- visualMatchesConfig = true;
- }
-
- if (!visualMatchesConfig) {
- if (visualAlphaSize >= 0) {
- qWarning("Warning: EGL suggested using X Visual ID %d (ARGB%d%d%d%d) for EGL config %d (ARGB%d%d%d%d), but this is incompatable",
- (int)visualId, visualAlphaSize, visualRedSize, visualGreenSize, visualBlueSize,
- configId, configAlphaSize, configRedSize, configGreenSize, configBlueSize);
- } else {
- qWarning("Warning: EGL suggested using X Visual ID %d (RGB%d%d%d) for EGL config %d (RGB%d%d%d), but this is incompatable",
- (int)visualId, visualRedSize, visualGreenSize, visualBlueSize,
- configId, configRedSize, configGreenSize, configBlueSize);
- }
- visualId = 0;
- }
- } else {
- qWarning("Warning: EGL suggested using X Visual ID %d for EGL config %d, but that isn't a valid ID",
- (int)visualId, configId);
- visualId = 0;
- }
- XFree(chosenVisualInfo);
- }
-#ifdef QT_DEBUG_X11_VISUAL_SELECTION
- else
- qDebug("EGL did not suggest a VisualID (EGL_NATIVE_VISUAL_ID was zero) for EGLConfig %d", configId);
-#endif
-
- if (visualId) {
-#ifdef QT_DEBUG_X11_VISUAL_SELECTION
- if (configAlphaSize > 0)
- qDebug("Using ARGB Visual ID %d provided by EGL for config %d", (int)visualId, configId);
- else
- qDebug("Using Opaque Visual ID %d provided by EGL for config %d", (int)visualId, configId);
-#endif
- return visualId;
- }
-
- // Finally, try to
- // use XGetVisualInfo and only use the bit depths to match on:
- if (!visualId) {
- XVisualInfo visualInfoTemplate;
- memset(&visualInfoTemplate, 0, sizeof(XVisualInfo));
- XVisualInfo *matchingVisuals;
- int matchingCount = 0;
-
- visualInfoTemplate.depth = configRedSize + configGreenSize + configBlueSize + configAlphaSize;
- matchingVisuals = XGetVisualInfo(display,
- VisualDepthMask,
- &visualInfoTemplate,
- &matchingCount);
- if (!matchingVisuals) {
- // Try again without taking the alpha channel into account:
- visualInfoTemplate.depth = configRedSize + configGreenSize + configBlueSize;
- matchingVisuals = XGetVisualInfo(display,
- VisualDepthMask,
- &visualInfoTemplate,
- &matchingCount);
- }
-
- if (matchingVisuals) {
- visualId = matchingVisuals[0].visualid;
- XFree(matchingVisuals);
- }
- }
-
- if (visualId) {
-#ifdef QT_DEBUG_X11_VISUAL_SELECTION
- qDebug("Using Visual ID %d provided by XGetVisualInfo for EGL config %d", (int)visualId, configId);
-#endif
- return visualId;
- }
-
- qWarning("Unable to find an X11 visual which matches EGL config %d", configId);
- return (VisualID)0;
-}
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