--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/opengl/qpixmapdata_x11gl_egl.cpp Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,252 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (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 Technology Preview License Agreement accompanying
+** this package.
+**
+** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <private/qgl_p.h>
+#include <private/qegl_p.h>
+#include <private/qeglproperties_p.h>
+#include <private/qpaintengineex_opengl2_p.h>
+
+#include "qpixmapdata_x11gl_p.h"
+
+QT_BEGIN_NAMESPACE
+
+extern EGLConfig qt_chooseEGLConfigForPixmap(bool hasAlpha, bool readOnly); // in qgl_x11egl.cpp
+extern bool qt_createEGLSurfaceForPixmap(QPixmapData* pmd, bool readOnly); // in qgl_x11egl.cpp
+
+// On 16bpp systems, RGB & ARGB pixmaps are different bit-depths and therefore need
+// different contexts:
+static EGLContext qPixmapARGBSharedEglContext = EGL_NO_CONTEXT;
+static EGLContext qPixmapRGBSharedEglContext = EGL_NO_CONTEXT;
+
+bool QX11GLPixmapData::hasX11GLPixmaps()
+{
+ static bool checkedForX11Pixmaps = false;
+ static bool haveX11Pixmaps = false;
+
+ if (checkedForX11Pixmaps)
+ return haveX11Pixmaps;
+
+ checkedForX11Pixmaps = true;
+
+ QX11PixmapData *argbPixmapData = 0;
+ QX11PixmapData *rgbPixmapData = 0;
+ do {
+ if (qgetenv("QT_USE_X11GL_PIXMAPS").isEmpty())
+ break;
+
+ // Check we actually have EGL configs which support pixmaps
+ EGLConfig argbConfig = qt_chooseEGLConfigForPixmap(true, false);
+ EGLConfig rgbConfig = qt_chooseEGLConfigForPixmap(false, false);
+
+ if (argbConfig == 0 || rgbConfig == 0)
+ break;
+
+ // Create the shared contexts:
+ eglBindAPI(EGL_OPENGL_ES_API);
+ EGLint contextAttribs[] = {
+#if defined(QT_OPENGL_ES_2)
+ EGL_CONTEXT_CLIENT_VERSION, 2,
+#endif
+ EGL_NONE
+ };
+ qPixmapARGBSharedEglContext = eglCreateContext(QEglContext::defaultDisplay(0),
+ argbConfig, 0, contextAttribs);
+
+ if (argbConfig == rgbConfig) {
+ // If the configs are the same, we can re-use the same context.
+ qPixmapRGBSharedEglContext = qPixmapARGBSharedEglContext;
+ } else {
+ qPixmapRGBSharedEglContext = eglCreateContext(QEglContext::defaultDisplay(0),
+ rgbConfig, 0, contextAttribs);
+ }
+
+ argbPixmapData = new QX11PixmapData(QPixmapData::PixmapType);
+ argbPixmapData->resize(100, 100);
+ argbPixmapData->fill(Qt::transparent); // Force ARGB
+
+ if (!qt_createEGLSurfaceForPixmap(argbPixmapData, false))
+ break;
+
+ haveX11Pixmaps = eglMakeCurrent(QEglContext::defaultDisplay(0),
+ (EGLSurface)argbPixmapData->gl_surface,
+ (EGLSurface)argbPixmapData->gl_surface,
+ qPixmapARGBSharedEglContext);
+ if (!haveX11Pixmaps) {
+ EGLint err = eglGetError();
+ qWarning() << "Unable to make pixmap config current:" << err << QEglContext::errorString(err);
+ break;
+ }
+
+ // If the ARGB & RGB configs are the same, we don't need to check RGB too
+ if (haveX11Pixmaps && (argbConfig != rgbConfig)) {
+ rgbPixmapData = new QX11PixmapData(QPixmapData::PixmapType);
+ rgbPixmapData->resize(100, 100);
+ rgbPixmapData->fill(Qt::red);
+
+ // Try to actually create an EGL pixmap surface
+ if (!qt_createEGLSurfaceForPixmap(rgbPixmapData, false))
+ break;
+
+ haveX11Pixmaps = eglMakeCurrent(QEglContext::defaultDisplay(0),
+ (EGLSurface)rgbPixmapData->gl_surface,
+ (EGLSurface)rgbPixmapData->gl_surface,
+ qPixmapRGBSharedEglContext);
+ if (!haveX11Pixmaps) {
+ EGLint err = eglGetError();
+ qWarning() << "Unable to make pixmap config current:" << err << QEglContext::errorString(err);
+ break;
+ }
+ }
+ } while (0);
+
+ if (qPixmapARGBSharedEglContext || qPixmapRGBSharedEglContext) {
+ eglMakeCurrent(QEglContext::defaultDisplay(0),
+ EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
+ }
+
+ if (argbPixmapData) {
+ if (argbPixmapData->gl_surface)
+ QGLContextPrivate::destroyGlSurfaceForPixmap(argbPixmapData);
+ delete argbPixmapData;
+ argbPixmapData = 0;
+ }
+ if (rgbPixmapData) {
+ if (rgbPixmapData->gl_surface)
+ QGLContextPrivate::destroyGlSurfaceForPixmap(rgbPixmapData);
+ delete rgbPixmapData;
+ rgbPixmapData = 0;
+ }
+
+ if (!haveX11Pixmaps) {
+ // Clean up the context(s) if we can't use X11GL pixmaps
+ if (qPixmapARGBSharedEglContext != EGL_NO_CONTEXT)
+ eglDestroyContext(QEglContext::defaultDisplay(0), qPixmapARGBSharedEglContext);
+
+ if (qPixmapRGBSharedEglContext != qPixmapARGBSharedEglContext &&
+ qPixmapRGBSharedEglContext != EGL_NO_CONTEXT)
+ {
+ eglDestroyContext(QEglContext::defaultDisplay(0), qPixmapRGBSharedEglContext);
+ }
+ qPixmapRGBSharedEglContext = EGL_NO_CONTEXT;
+ qPixmapARGBSharedEglContext = EGL_NO_CONTEXT;
+ }
+
+ if (haveX11Pixmaps)
+ qDebug("QX11GLPixmapData is supported");
+ else
+ qDebug("QX11GLPixmapData is *NOT* being used");
+
+ return haveX11Pixmaps;
+}
+
+QX11GLPixmapData::QX11GLPixmapData()
+ : QX11PixmapData(QPixmapData::PixmapType),
+ ctx(0)
+{
+}
+
+QX11GLPixmapData::~QX11GLPixmapData()
+{
+}
+
+static QGL2PaintEngineEx* qt_gl2_engine_for_pixmaps = 0;
+
+QPaintEngine* QX11GLPixmapData::paintEngine() const
+{
+ // We need to create the context before beginPaint - do it here:
+ if (!ctx) {
+ ctx = new QGLContext(glFormat());
+ if (ctx->d_func()->eglContext == 0)
+ ctx->d_func()->eglContext = new QEglContext();
+ ctx->d_func()->eglContext->openDisplay(0); // ;-)
+ ctx->d_func()->eglContext->setApi(QEgl::OpenGL);
+ ctx->d_func()->eglContext->setContext(hasAlphaChannel() ? qPixmapARGBSharedEglContext
+ : qPixmapRGBSharedEglContext);
+ }
+
+ if (!qt_gl2_engine_for_pixmaps)
+ qt_gl2_engine_for_pixmaps = new QGL2PaintEngineEx();
+
+ // Support multiple painters on multiple pixmaps simultaniously
+ if (qt_gl2_engine_for_pixmaps->isActive()) {
+ qWarning("Pixmap paint engine already active");
+ QPaintEngine* engine = new QGL2PaintEngineEx();
+ engine->setAutoDestruct(true);
+ return engine;
+ }
+
+ return qt_gl2_engine_for_pixmaps;
+}
+
+void QX11GLPixmapData::beginPaint()
+{
+// qDebug("QX11GLPixmapData::beginPaint()");
+ if ((EGLSurface)gl_surface == EGL_NO_SURFACE) {
+ qt_createEGLSurfaceForPixmap(this, false);
+ ctx->d_func()->eglSurface = (EGLSurface)gl_surface;
+ ctx->d_func()->valid = true; // ;-)
+ }
+ QGLPaintDevice::beginPaint();
+}
+
+void QX11GLPixmapData::endPaint()
+{
+ glFinish();
+ QGLPaintDevice::endPaint();
+}
+
+QGLContext* QX11GLPixmapData::context() const
+{
+ return ctx;
+}
+
+QSize QX11GLPixmapData::size() const
+{
+ return QSize(w, h);
+}
+
+
+QGLFormat QX11GLPixmapData::glFormat()
+{
+ return QGLFormat::defaultFormat(); //###
+}
+
+QT_END_NAMESPACE