79c35d0164
Prevents the possiblity of using shaders modified for color correction without valid data from KolorManager. If that happened, everthing blacked out. Now the color correction shaders are enabled only after successfuly contacting KolorManager. The issue was highlighted after ab7e228d. BUG: 321217
2509 lines
88 KiB
C++
2509 lines
88 KiB
C++
/********************************************************************
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KWin - the KDE window manager
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This file is part of the KDE project.
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Copyright (C) 2006 Lubos Lunak <l.lunak@kde.org>
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Copyright (C) 2009, 2010, 2011 Martin Gräßlin <mgraesslin@kde.org>
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Based on glcompmgr code by Felix Bellaby.
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Using code from Compiz and Beryl.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*********************************************************************/
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#include "scene_opengl.h"
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#ifdef KWIN_HAVE_EGL
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#include "eglonxbackend.h"
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// for Wayland
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#include "config-workspace.h"
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#ifdef WAYLAND_FOUND
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#include "egl_wayland_backend.h"
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#endif
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#endif
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#ifndef KWIN_HAVE_OPENGLES
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#include "glxbackend.h"
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#endif
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#include <kxerrorhandler.h>
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#include <kwinglcolorcorrection.h>
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#include <kwinglplatform.h>
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#include "utils.h"
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#include "client.h"
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#include "composite.h"
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#include "deleted.h"
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#include "effects.h"
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#include "lanczosfilter.h"
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#include "overlaywindow.h"
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#include "paintredirector.h"
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#include "screens.h"
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#include "workspace.h"
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#include <math.h>
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#include <unistd.h>
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#include <stddef.h>
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// turns on checks for opengl errors in various places (for easier finding of them)
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// normally only few of them are enabled
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//#define CHECK_GL_ERROR
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#include <X11/extensions/Xcomposite.h>
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#include <qpainter.h>
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#include <QDBusConnection>
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#include <QDBusConnectionInterface>
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#include <QDBusInterface>
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#include <QGraphicsScale>
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#include <QStringList>
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#include <QVector2D>
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#include <QVector4D>
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#include <QMatrix4x4>
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#include <KDE/KLocalizedString>
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#include <KDE/KNotification>
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#include <KProcess>
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namespace KWin
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{
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extern int currentRefreshRate();
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//****************************************
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// SceneOpenGL
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//****************************************
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OpenGLBackend::OpenGLBackend()
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: m_overlayWindow(new OverlayWindow()) // TODO: maybe create only if needed?
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, m_syncsToVBlank(false)
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, m_blocksForRetrace(false)
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, m_directRendering(false)
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, m_failed(false)
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{
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}
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OpenGLBackend::~OpenGLBackend()
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{
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if (isFailed()) {
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m_overlayWindow->destroy();
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}
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delete m_overlayWindow;
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}
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void OpenGLBackend::setFailed(const QString &reason)
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{
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kWarning(1212) << "Creating the OpenGL rendering failed: " << reason;
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m_failed = true;
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}
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void OpenGLBackend::idle()
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{
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if (hasPendingFlush())
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present();
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}
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/************************************************
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* SceneOpenGL
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***********************************************/
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SceneOpenGL::SceneOpenGL(Workspace* ws, OpenGLBackend *backend)
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: Scene(ws)
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, init_ok(true)
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, m_backend(backend)
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{
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if (m_backend->isFailed()) {
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init_ok = false;
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return;
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}
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if (!viewportLimitsMatched(QSize(displayWidth(), displayHeight())))
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return;
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// perform Scene specific checks
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GLPlatform *glPlatform = GLPlatform::instance();
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#ifndef KWIN_HAVE_OPENGLES
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if (!hasGLExtension("GL_ARB_texture_non_power_of_two")
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&& !hasGLExtension("GL_ARB_texture_rectangle")) {
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kError(1212) << "GL_ARB_texture_non_power_of_two and GL_ARB_texture_rectangle missing";
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init_ok = false;
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return; // error
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}
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#endif
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if (glPlatform->isMesaDriver() && glPlatform->mesaVersion() < kVersionNumber(8, 0)) {
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kError(1212) << "KWin requires at least Mesa 8.0 for OpenGL compositing.";
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init_ok = false;
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return;
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}
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#ifndef KWIN_HAVE_OPENGLES
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glDrawBuffer(GL_BACK);
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#endif
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m_debug = qstrcmp(qgetenv("KWIN_GL_DEBUG"), "1") == 0;
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// set strict binding
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if (options->isGlStrictBindingFollowsDriver()) {
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options->setGlStrictBinding(!glPlatform->supports(LooseBinding));
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}
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}
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SceneOpenGL::~SceneOpenGL()
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{
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if (init_ok) {
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// backend might be still needed for a different scene
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delete m_backend;
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}
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foreach (Window * w, windows) {
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delete w;
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}
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// do cleanup after initBuffer()
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SceneOpenGL::EffectFrame::cleanup();
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checkGLError("Cleanup");
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}
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SceneOpenGL *SceneOpenGL::createScene()
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{
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OpenGLBackend *backend = NULL;
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OpenGLPlatformInterface platformInterface = NoOpenGLPlatformInterface;
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// should we use glx?
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#ifndef KWIN_HAVE_OPENGLES
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// on OpenGL we default to glx
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platformInterface = GlxPlatformInterface;
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#endif
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const QByteArray envOpenGLInterface(qgetenv("KWIN_OPENGL_INTERFACE"));
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#ifdef KWIN_HAVE_EGL
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#ifdef KWIN_HAVE_OPENGLES
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// for OpenGL ES we need to use the Egl Backend
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platformInterface = EglPlatformInterface;
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#else
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// check environment variable
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if (qstrcmp(envOpenGLInterface, "egl") == 0 ||
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qstrcmp(envOpenGLInterface, "egl_wayland") == 0) {
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kDebug(1212) << "Forcing EGL native interface through environment variable";
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platformInterface = EglPlatformInterface;
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}
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#endif
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#endif
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switch (platformInterface) {
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case GlxPlatformInterface:
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#ifndef KWIN_HAVE_OPENGLES
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backend = new GlxBackend();
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#endif
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break;
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case EglPlatformInterface:
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#ifdef KWIN_HAVE_EGL
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#ifdef WAYLAND_FOUND
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if (qstrcmp(envOpenGLInterface, "egl_wayland") == 0) {
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backend = new EglWaylandBackend();
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} else {
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backend = new EglOnXBackend();
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}
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#else
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backend = new EglOnXBackend();
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#endif
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#endif
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break;
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default:
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// no backend available
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return NULL;
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}
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if (!backend || backend->isFailed()) {
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delete backend;
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return NULL;
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}
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SceneOpenGL *scene = NULL;
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// first let's try an OpenGL 2 scene
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if (SceneOpenGL2::supported(backend)) {
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scene = new SceneOpenGL2(backend);
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if (scene->initFailed()) {
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delete scene;
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scene = NULL;
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} else {
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return scene;
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}
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}
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#ifdef KWIN_HAVE_OPENGL_1
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if (SceneOpenGL1::supported(backend)) {
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scene = new SceneOpenGL1(backend);
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if (scene->initFailed()) {
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delete scene;
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scene = NULL;
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}
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}
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#endif
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if (!scene) {
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if (GLPlatform::instance()->recommendedCompositor() == XRenderCompositing) {
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kError(1212) << "OpenGL driver recommends XRender based compositing. Falling back to XRender.";
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kError(1212) << "To overwrite the detection use the environment variable KWIN_COMPOSE";
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kError(1212) << "For more information see http://community.kde.org/KWin/Environment_Variables#KWIN_COMPOSE";
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QTimer::singleShot(0, Compositor::self(), SLOT(fallbackToXRenderCompositing()));
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}
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delete backend;
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}
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return scene;
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}
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OverlayWindow *SceneOpenGL::overlayWindow()
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{
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return m_backend->overlayWindow();
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}
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bool SceneOpenGL::syncsToVBlank() const
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{
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return m_backend->syncsToVBlank();
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}
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bool SceneOpenGL::blocksForRetrace() const
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{
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return m_backend->blocksForRetrace();
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}
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void SceneOpenGL::idle()
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{
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m_backend->idle();
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Scene::idle();
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}
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bool SceneOpenGL::initFailed() const
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{
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return !init_ok;
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}
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#ifndef KWIN_HAVE_OPENGLES
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void SceneOpenGL::copyPixels(const QRegion ®ion)
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{
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foreach (const QRect &r, region.rects()) {
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const int x0 = r.x();
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const int y0 = displayHeight() - r.y() - r.height();
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const int x1 = r.x() + r.width();
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const int y1 = displayHeight() - r.y();
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glBlitFramebuffer(x0, y0, x1, y1, x0, y0, x1, y1, GL_COLOR_BUFFER_BIT, GL_NEAREST);
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}
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}
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#endif
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#ifndef KWIN_HAVE_OPENGLES
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# define GL_GUILTY_CONTEXT_RESET_KWIN GL_GUILTY_CONTEXT_RESET_ARB
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# define GL_INNOCENT_CONTEXT_RESET_KWIN GL_INNOCENT_CONTEXT_RESET_ARB
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# define GL_UNKNOWN_CONTEXT_RESET_KWIN GL_UNKNOWN_CONTEXT_RESET_ARB
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#else
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# define GL_GUILTY_CONTEXT_RESET_KWIN GL_GUILTY_CONTEXT_RESET_EXT
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# define GL_INNOCENT_CONTEXT_RESET_KWIN GL_INNOCENT_CONTEXT_RESET_EXT
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# define GL_UNKNOWN_CONTEXT_RESET_KWIN GL_UNKNOWN_CONTEXT_RESET_EXT
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#endif
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void SceneOpenGL::handleGraphicsReset(GLenum status)
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{
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switch (status) {
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case GL_GUILTY_CONTEXT_RESET_KWIN:
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kDebug(1212) << "A graphics reset attributable to the current GL context occurred.";
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break;
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case GL_INNOCENT_CONTEXT_RESET_KWIN:
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kDebug(1212) << "A graphics reset not attributable to the current GL context occurred.";
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break;
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case GL_UNKNOWN_CONTEXT_RESET_KWIN:
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kDebug(1212) << "A graphics reset of an unknown cause occurred.";
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break;
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default:
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break;
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}
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QElapsedTimer timer;
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timer.start();
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// Wait until the reset is completed or max 10 seconds
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while (timer.elapsed() < 10000 && glGetGraphicsResetStatus() != GL_NO_ERROR)
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usleep(50);
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kDebug(1212) << "Attempting to reset compositing.";
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QMetaObject::invokeMethod(this, "resetCompositing", Qt::QueuedConnection);
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KNotification::event("graphicsreset", i18n("Desktop effects were restarted due to a graphics reset"));
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}
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qint64 SceneOpenGL::paint(QRegion damage, ToplevelList toplevels)
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{
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// actually paint the frame, flushed with the NEXT frame
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foreach (Toplevel * c, toplevels) {
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// TODO: cache the stacking_order in case it has not changed
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assert(windows.contains(c));
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stacking_order.append(windows[ c ]);
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}
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m_backend->prepareRenderingFrame();
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const GLenum status = glGetGraphicsResetStatus();
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if (status != GL_NO_ERROR) {
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handleGraphicsReset(status);
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return 0;
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}
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int mask = 0;
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#ifdef CHECK_GL_ERROR
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checkGLError("Paint1");
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#endif
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paintScreen(&mask, &damage); // call generic implementation
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#ifndef KWIN_HAVE_OPENGLES
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const QRegion displayRegion(0, 0, displayWidth(), displayHeight());
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// copy dirty parts from front to backbuffer
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if (options->glPreferBufferSwap() == Options::CopyFrontBuffer && damage != displayRegion) {
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glReadBuffer(GL_FRONT);
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copyPixels(displayRegion - damage);
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glReadBuffer(GL_BACK);
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damage = displayRegion;
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}
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#endif
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#ifdef CHECK_GL_ERROR
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checkGLError("Paint2");
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#endif
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m_backend->endRenderingFrame(damage);
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// do cleanup
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stacking_order.clear();
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checkGLError("PostPaint");
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return m_backend->renderTime();
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}
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QMatrix4x4 SceneOpenGL::transformation(int mask, const ScreenPaintData &data) const
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{
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QMatrix4x4 matrix;
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if (!(mask & PAINT_SCREEN_TRANSFORMED))
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return matrix;
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matrix.translate(data.translation());
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data.scale().applyTo(&matrix);
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if (data.rotationAngle() == 0.0)
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return matrix;
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// Apply the rotation
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// cannot use data.rotation->applyTo(&matrix) as QGraphicsRotation uses projectedRotate to map back to 2D
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matrix.translate(data.rotationOrigin());
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const QVector3D axis = data.rotationAxis();
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matrix.rotate(data.rotationAngle(), axis.x(), axis.y(), axis.z());
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matrix.translate(-data.rotationOrigin());
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return matrix;
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}
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void SceneOpenGL::paintBackground(QRegion region)
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{
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PaintClipper pc(region);
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if (!PaintClipper::clip()) {
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glClearColor(0, 0, 0, 1);
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glClear(GL_COLOR_BUFFER_BIT);
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return;
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}
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if (pc.clip() && pc.paintArea().isEmpty())
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return; // no background to paint
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QVector<float> verts;
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for (PaintClipper::Iterator iterator; !iterator.isDone(); iterator.next()) {
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QRect r = iterator.boundingRect();
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verts << r.x() + r.width() << r.y();
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verts << r.x() << r.y();
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verts << r.x() << r.y() + r.height();
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verts << r.x() << r.y() + r.height();
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verts << r.x() + r.width() << r.y() + r.height();
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verts << r.x() + r.width() << r.y();
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}
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doPaintBackground(verts);
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}
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void SceneOpenGL::extendPaintRegion(QRegion ®ion, bool opaqueFullscreen)
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{
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if (options->glPreferBufferSwap() == Options::ExtendDamage) { // only Extend "large" repaints
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const QRegion displayRegion(0, 0, displayWidth(), displayHeight());
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uint damagedPixels = 0;
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const uint fullRepaintLimit = (opaqueFullscreen?0.49f:0.748f)*displayWidth()*displayHeight();
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// 16:9 is 75% of 4:3 and 2.55:1 is 49.01% of 5:4
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// (5:4 is the most square format and 2.55:1 is Cinemascope55 - the widest ever shot
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// movie aspect - two times ;-) It's a Fox format, though, so maybe we want to restrict
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// to 2.20:1 - Panavision - which has actually been used for interesting movies ...)
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// would be 57% of 5/4
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foreach (const QRect &r, region.rects()) {
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// damagedPixels += r.width() * r.height(); // combined window damage test
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damagedPixels = r.width() * r.height(); // experimental single window damage testing
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if (damagedPixels > fullRepaintLimit) {
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region = displayRegion;
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return;
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}
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}
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} else if (options->glPreferBufferSwap() == Options::PaintFullScreen) { // forced full rePaint
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region = QRegion(0, 0, displayWidth(), displayHeight());
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}
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}
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void SceneOpenGL::windowAdded(Toplevel* c)
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{
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assert(!windows.contains(c));
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Window *w = createWindow(c);
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windows[ c ] = w;
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w->setScene(this);
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connect(c, SIGNAL(opacityChanged(KWin::Toplevel*,qreal)), SLOT(windowOpacityChanged(KWin::Toplevel*)));
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connect(c, SIGNAL(geometryShapeChanged(KWin::Toplevel*,QRect)), SLOT(windowGeometryShapeChanged(KWin::Toplevel*)));
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connect(c, SIGNAL(windowClosed(KWin::Toplevel*,KWin::Deleted*)), SLOT(windowClosed(KWin::Toplevel*,KWin::Deleted*)));
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c->effectWindow()->setSceneWindow(windows[ c ]);
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c->getShadow();
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windows[ c ]->updateShadow(c->shadow());
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}
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void SceneOpenGL::windowClosed(KWin::Toplevel* c, KWin::Deleted* deleted)
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{
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assert(windows.contains(c));
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if (deleted != NULL) {
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// replace c with deleted
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Window* w = windows.take(c);
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w->updateToplevel(deleted);
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if (w->shadow()) {
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w->shadow()->setToplevel(deleted);
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}
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windows[ deleted ] = w;
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} else {
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delete windows.take(c);
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c->effectWindow()->setSceneWindow(NULL);
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}
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}
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void SceneOpenGL::windowDeleted(Deleted* c)
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{
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assert(windows.contains(c));
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delete windows.take(c);
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c->effectWindow()->setSceneWindow(NULL);
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}
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void SceneOpenGL::windowGeometryShapeChanged(KWin::Toplevel* c)
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{
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if (!windows.contains(c)) // this is ok, shape is not valid
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return; // by default
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Window* w = windows[ c ];
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w->discardShape();
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}
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void SceneOpenGL::windowOpacityChanged(KWin::Toplevel* t)
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{
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Q_UNUSED(t)
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#if 0 // not really needed, windows are painted on every repaint
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// and opacity is used when applying texture, not when
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// creating it
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if (!windows.contains(c)) // this is ok, texture is created
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return; // on demand
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Window* w = windows[ c ];
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w->discardTexture();
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#endif
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}
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SceneOpenGL::Texture *SceneOpenGL::createTexture()
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{
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return new Texture(m_backend);
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}
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SceneOpenGL::Texture *SceneOpenGL::createTexture(const QPixmap &pix, GLenum target)
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{
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return new Texture(m_backend, pix, target);
|
|
}
|
|
|
|
bool SceneOpenGL::viewportLimitsMatched(const QSize &size) const {
|
|
GLint limit[2];
|
|
glGetIntegerv(GL_MAX_VIEWPORT_DIMS, limit);
|
|
if (limit[0] < size.width() || limit[1] < size.height()) {
|
|
QMetaObject::invokeMethod(Compositor::self(), "suspend",
|
|
Qt::QueuedConnection, Q_ARG(Compositor::SuspendReason, Compositor::AllReasonSuspend));
|
|
const QString message = i18n("<h1>OpenGL desktop effects not possible</h1>"
|
|
"Your system cannot perform OpenGL Desktop Effects at the "
|
|
"current resolution<br><br>"
|
|
"You can try to select the XRender backend, but it "
|
|
"might be very slow for this resolution as well.<br>"
|
|
"Alternatively, lower the combined resolution of all screens "
|
|
"to %1x%2 ", limit[0], limit[1]);
|
|
const QString details = i18n("The demanded resolution exceeds the GL_MAX_VIEWPORT_DIMS "
|
|
"limitation of your GPU and is therefore not compatible "
|
|
"with the OpenGL compositor.<br>"
|
|
"XRender does not know such limitation, but the performance "
|
|
"will usually be impacted by the hardware limitations that "
|
|
"restrict the OpenGL viewport size.");
|
|
const int oldTimeout = QDBusConnection::sessionBus().interface()->timeout();
|
|
QDBusConnection::sessionBus().interface()->setTimeout(500);
|
|
if (QDBusConnection::sessionBus().interface()->isServiceRegistered("org.kde.kwinCompositingDialog").value()) {
|
|
QDBusInterface dialog( "org.kde.kwinCompositingDialog", "/CompositorSettings", "org.kde.kwinCompositingDialog" );
|
|
dialog.asyncCall("warn", message, details, "");
|
|
} else {
|
|
const QString args = "warn " + message.toLocal8Bit().toBase64() + " details " + details.toLocal8Bit().toBase64();
|
|
KProcess::startDetached("kcmshell4", QStringList() << "kwincompositing" << "--args" << args);
|
|
}
|
|
QDBusConnection::sessionBus().interface()->setTimeout(oldTimeout);
|
|
return false;
|
|
}
|
|
glGetIntegerv(GL_MAX_TEXTURE_SIZE, limit);
|
|
if (limit[0] < size.width() || limit[0] < size.height()) {
|
|
KConfig cfg("kwin_dialogsrc");
|
|
|
|
if (!KConfigGroup(&cfg, "Notification Messages").readEntry("max_tex_warning", true))
|
|
return true;
|
|
|
|
const QString message = i18n("<h1>OpenGL desktop effects might be unusable</h1>"
|
|
"OpenGL Desktop Effects at the current resolution are supported "
|
|
"but might be exceptionally slow.<br>"
|
|
"Also large windows will turn entirely black.<br><br>"
|
|
"Consider to suspend compositing, switch to the XRender backend "
|
|
"or lower the resolution to %1x%1." , limit[0]);
|
|
const QString details = i18n("The demanded resolution exceeds the GL_MAX_TEXTURE_SIZE "
|
|
"limitation of your GPU, thus windows of that size cannot be "
|
|
"assigned to textures and will be entirely black.<br>"
|
|
"Also this limit will often be a performance level barrier despite "
|
|
"below GL_MAX_VIEWPORT_DIMS, because the driver might fall back to "
|
|
"software rendering in this case.");
|
|
const int oldTimeout = QDBusConnection::sessionBus().interface()->timeout();
|
|
QDBusConnection::sessionBus().interface()->setTimeout(500);
|
|
if (QDBusConnection::sessionBus().interface()->isServiceRegistered("org.kde.kwinCompositingDialog").value()) {
|
|
QDBusInterface dialog( "org.kde.kwinCompositingDialog", "/CompositorSettings", "org.kde.kwinCompositingDialog" );
|
|
dialog.asyncCall("warn", message, details, "kwin_dialogsrc:max_tex_warning");
|
|
} else {
|
|
const QString args = "warn " + message.toLocal8Bit().toBase64() + " details " +
|
|
details.toLocal8Bit().toBase64() + " dontagain kwin_dialogsrc:max_tex_warning";
|
|
KProcess::startDetached("kcmshell4", QStringList() << "kwincompositing" << "--args" << args);
|
|
}
|
|
QDBusConnection::sessionBus().interface()->setTimeout(oldTimeout);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
void SceneOpenGL::screenGeometryChanged(const QSize &size)
|
|
{
|
|
if (!viewportLimitsMatched(size))
|
|
return;
|
|
Scene::screenGeometryChanged(size);
|
|
glViewport(0,0, size.width(), size.height());
|
|
m_backend->screenGeometryChanged(size);
|
|
ShaderManager::instance()->resetAllShaders();
|
|
}
|
|
|
|
void SceneOpenGL::paintDesktop(int desktop, int mask, const QRegion ®ion, ScreenPaintData &data)
|
|
{
|
|
const QRect r = region.boundingRect();
|
|
glEnable(GL_SCISSOR_TEST);
|
|
glScissor(r.x(), displayHeight() - r.y() - r.height(), r.width(), r.height());
|
|
KWin::Scene::paintDesktop(desktop, mask, region, data);
|
|
glDisable(GL_SCISSOR_TEST);
|
|
}
|
|
|
|
//****************************************
|
|
// SceneOpenGL2
|
|
//****************************************
|
|
bool SceneOpenGL2::supported(OpenGLBackend *backend)
|
|
{
|
|
const QByteArray forceEnv = qgetenv("KWIN_COMPOSE");
|
|
if (!forceEnv.isEmpty()) {
|
|
if (qstrcmp(forceEnv, "O2") == 0) {
|
|
kDebug(1212) << "OpenGL 2 compositing enforced by environment variable";
|
|
return true;
|
|
} else {
|
|
// OpenGL 2 disabled by environment variable
|
|
return false;
|
|
}
|
|
}
|
|
if (!backend->isDirectRendering()) {
|
|
return false;
|
|
}
|
|
if (GLPlatform::instance()->recommendedCompositor() < OpenGL2Compositing) {
|
|
kDebug(1212) << "Driver does not recommend OpenGL 2 compositing";
|
|
#ifndef KWIN_HAVE_OPENGLES
|
|
return false;
|
|
#endif
|
|
}
|
|
if (options->isGlLegacy()) {
|
|
kDebug(1212) << "OpenGL 2 disabled by config option";
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
SceneOpenGL2::SceneOpenGL2(OpenGLBackend *backend)
|
|
: SceneOpenGL(Workspace::self(), backend)
|
|
, m_lanczosFilter(NULL)
|
|
, m_colorCorrection(new ColorCorrection(this))
|
|
{
|
|
if (!init_ok) {
|
|
// base ctor already failed
|
|
return;
|
|
}
|
|
// Initialize color correction before the shaders
|
|
kDebug(1212) << "Color correction:" << options->isColorCorrected();
|
|
m_colorCorrection->setEnabled(options->isColorCorrected());
|
|
connect(m_colorCorrection, SIGNAL(changed()), Compositor::self(), SLOT(addRepaintFull()));
|
|
connect(m_colorCorrection, SIGNAL(errorOccured()), options, SLOT(setColorCorrected()), Qt::QueuedConnection);
|
|
connect(options, SIGNAL(colorCorrectedChanged()), this, SLOT(slotColorCorrectedChanged()), Qt::QueuedConnection);
|
|
|
|
if (!ShaderManager::instance()->isValid()) {
|
|
kDebug(1212) << "No Scene Shaders available";
|
|
init_ok = false;
|
|
return;
|
|
}
|
|
|
|
// push one shader on the stack so that one is always bound
|
|
ShaderManager::instance()->pushShader(ShaderManager::SimpleShader);
|
|
if (checkGLError("Init")) {
|
|
kError(1212) << "OpenGL 2 compositing setup failed";
|
|
init_ok = false;
|
|
return; // error
|
|
}
|
|
|
|
kDebug(1212) << "OpenGL 2 compositing successfully initialized";
|
|
|
|
#ifndef KWIN_HAVE_OPENGLES
|
|
// It is not legal to not have a vertex array object bound in a core context
|
|
if (hasGLExtension("GL_ARB_vertex_array_object")) {
|
|
glGenVertexArrays(1, &vao);
|
|
glBindVertexArray(vao);
|
|
}
|
|
#endif
|
|
|
|
init_ok = true;
|
|
}
|
|
|
|
SceneOpenGL2::~SceneOpenGL2()
|
|
{
|
|
}
|
|
|
|
void SceneOpenGL2::paintGenericScreen(int mask, ScreenPaintData data)
|
|
{
|
|
ShaderBinder binder(ShaderManager::GenericShader);
|
|
|
|
binder.shader()->setUniform(GLShader::ScreenTransformation, transformation(mask, data));
|
|
|
|
Scene::paintGenericScreen(mask, data);
|
|
}
|
|
|
|
void SceneOpenGL2::paintDesktop(int desktop, int mask, const QRegion ®ion, ScreenPaintData &data)
|
|
{
|
|
ShaderBinder binder(ShaderManager::GenericShader);
|
|
GLShader *shader = binder.shader();
|
|
QMatrix4x4 screenTransformation = shader->getUniformMatrix4x4("screenTransformation");
|
|
|
|
KWin::SceneOpenGL::paintDesktop(desktop, mask, region, data);
|
|
|
|
shader->setUniform(GLShader::ScreenTransformation, screenTransformation);
|
|
}
|
|
|
|
void SceneOpenGL2::doPaintBackground(const QVector< float >& vertices)
|
|
{
|
|
GLVertexBuffer *vbo = GLVertexBuffer::streamingBuffer();
|
|
vbo->reset();
|
|
vbo->setUseColor(true);
|
|
vbo->setData(vertices.count() / 2, 2, vertices.data(), NULL);
|
|
|
|
ShaderBinder binder(ShaderManager::ColorShader);
|
|
binder.shader()->setUniform(GLShader::Offset, QVector2D(0, 0));
|
|
|
|
vbo->render(GL_TRIANGLES);
|
|
}
|
|
|
|
SceneOpenGL::Window *SceneOpenGL2::createWindow(Toplevel *t)
|
|
{
|
|
return new SceneOpenGL2Window(t);
|
|
}
|
|
|
|
void SceneOpenGL2::finalDrawWindow(EffectWindowImpl* w, int mask, QRegion region, WindowPaintData& data)
|
|
{
|
|
if (m_colorCorrection->isEnabled()) {
|
|
// Split the painting for separate screens
|
|
const int numScreens = screens()->count();
|
|
for (int screen = 0; screen < numScreens; ++ screen) {
|
|
QRegion regionForScreen(region);
|
|
if (numScreens > 1)
|
|
regionForScreen = region.intersected(screens()->geometry(screen));
|
|
|
|
data.setScreen(screen);
|
|
performPaintWindow(w, mask, regionForScreen, data);
|
|
}
|
|
} else {
|
|
performPaintWindow(w, mask, region, data);
|
|
}
|
|
}
|
|
|
|
void SceneOpenGL2::performPaintWindow(EffectWindowImpl* w, int mask, QRegion region, WindowPaintData& data)
|
|
{
|
|
if (mask & PAINT_WINDOW_LANCZOS) {
|
|
if (!m_lanczosFilter) {
|
|
m_lanczosFilter = new LanczosFilter(this);
|
|
// recreate the lanczos filter when the screen gets resized
|
|
connect(screens(), SIGNAL(changed()), SLOT(resetLanczosFilter()));
|
|
}
|
|
m_lanczosFilter->performPaint(w, mask, region, data);
|
|
} else
|
|
w->sceneWindow()->performPaint(mask, region, data);
|
|
}
|
|
|
|
void SceneOpenGL2::resetLanczosFilter()
|
|
{
|
|
// TODO: Qt5 - replace by a lambda slot
|
|
delete m_lanczosFilter;
|
|
m_lanczosFilter = NULL;
|
|
}
|
|
|
|
ColorCorrection *SceneOpenGL2::colorCorrection()
|
|
{
|
|
return m_colorCorrection;
|
|
}
|
|
|
|
void SceneOpenGL2::slotColorCorrectedChanged()
|
|
{
|
|
m_colorCorrection->setEnabled(options->isColorCorrected());
|
|
}
|
|
|
|
|
|
//****************************************
|
|
// SceneOpenGL1
|
|
//****************************************
|
|
#ifdef KWIN_HAVE_OPENGL_1
|
|
bool SceneOpenGL1::supported(OpenGLBackend *backend)
|
|
{
|
|
Q_UNUSED(backend)
|
|
const QByteArray forceEnv = qgetenv("KWIN_COMPOSE");
|
|
if (!forceEnv.isEmpty()) {
|
|
if (qstrcmp(forceEnv, "O1") == 0) {
|
|
kDebug(1212) << "OpenGL 1 compositing enforced by environment variable";
|
|
return true;
|
|
} else {
|
|
// OpenGL 1 disabled by environment variable
|
|
return false;
|
|
}
|
|
}
|
|
if (GLPlatform::instance()->recommendedCompositor() < OpenGL1Compositing) {
|
|
kDebug(1212) << "Driver does not recommend OpenGL 1 compositing";
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
SceneOpenGL1::SceneOpenGL1(OpenGLBackend *backend)
|
|
: SceneOpenGL(Workspace::self(), backend)
|
|
, m_resetModelViewProjectionMatrix(true)
|
|
{
|
|
if (!init_ok) {
|
|
// base ctor already failed
|
|
return;
|
|
}
|
|
ShaderManager::disable();
|
|
setupModelViewProjectionMatrix();
|
|
if (checkGLError("Init")) {
|
|
kError(1212) << "OpenGL 1 compositing setup failed";
|
|
init_ok = false;
|
|
return; // error
|
|
}
|
|
|
|
kDebug(1212) << "OpenGL 1 compositing successfully initialized";
|
|
}
|
|
|
|
SceneOpenGL1::~SceneOpenGL1()
|
|
{
|
|
}
|
|
|
|
qint64 SceneOpenGL1::paint(QRegion damage, ToplevelList windows)
|
|
{
|
|
if (m_resetModelViewProjectionMatrix) {
|
|
// reset model view projection matrix if required
|
|
setupModelViewProjectionMatrix();
|
|
}
|
|
return SceneOpenGL::paint(damage, windows);
|
|
}
|
|
|
|
void SceneOpenGL1::paintGenericScreen(int mask, ScreenPaintData data)
|
|
{
|
|
pushMatrix(transformation(mask, data));
|
|
Scene::paintGenericScreen(mask, data);
|
|
popMatrix();
|
|
}
|
|
|
|
void SceneOpenGL1::doPaintBackground(const QVector< float >& vertices)
|
|
{
|
|
GLVertexBuffer *vbo = GLVertexBuffer::streamingBuffer();
|
|
vbo->reset();
|
|
vbo->setUseColor(true);
|
|
vbo->setData(vertices.count() / 2, 2, vertices.data(), NULL);
|
|
vbo->render(GL_TRIANGLES);
|
|
}
|
|
|
|
void SceneOpenGL1::setupModelViewProjectionMatrix()
|
|
{
|
|
glMatrixMode(GL_PROJECTION);
|
|
glLoadIdentity();
|
|
float fovy = 60.0f;
|
|
float aspect = 1.0f;
|
|
float zNear = 0.1f;
|
|
float zFar = 100.0f;
|
|
float ymax = zNear * tan(fovy * M_PI / 360.0f);
|
|
float ymin = -ymax;
|
|
float xmin = ymin * aspect;
|
|
float xmax = ymax * aspect;
|
|
// swap top and bottom to have OpenGL coordinate system match X system
|
|
glFrustum(xmin, xmax, ymin, ymax, zNear, zFar);
|
|
glMatrixMode(GL_MODELVIEW);
|
|
glLoadIdentity();
|
|
float scaleFactor = 1.1 * tan(fovy * M_PI / 360.0f) / ymax;
|
|
glTranslatef(xmin * scaleFactor, ymax * scaleFactor, -1.1);
|
|
glScalef((xmax - xmin)*scaleFactor / displayWidth(), -(ymax - ymin)*scaleFactor / displayHeight(), 0.001);
|
|
m_resetModelViewProjectionMatrix = false;
|
|
}
|
|
|
|
void SceneOpenGL1::screenGeometryChanged(const QSize &size)
|
|
{
|
|
SceneOpenGL::screenGeometryChanged(size);
|
|
m_resetModelViewProjectionMatrix = true;
|
|
}
|
|
|
|
SceneOpenGL::Window *SceneOpenGL1::createWindow(Toplevel *t)
|
|
{
|
|
return new SceneOpenGL1Window(t);
|
|
}
|
|
|
|
#endif
|
|
|
|
//****************************************
|
|
// SceneOpenGL::Texture
|
|
//****************************************
|
|
|
|
SceneOpenGL::Texture::Texture(OpenGLBackend *backend)
|
|
: GLTexture(*backend->createBackendTexture(this))
|
|
{
|
|
}
|
|
|
|
SceneOpenGL::Texture::Texture(OpenGLBackend *backend, const QPixmap &pix, GLenum target)
|
|
: GLTexture(*backend->createBackendTexture(this))
|
|
{
|
|
load(pix, target);
|
|
}
|
|
|
|
SceneOpenGL::Texture::~Texture()
|
|
{
|
|
}
|
|
|
|
SceneOpenGL::Texture& SceneOpenGL::Texture::operator = (const SceneOpenGL::Texture& tex)
|
|
{
|
|
d_ptr = tex.d_ptr;
|
|
return *this;
|
|
}
|
|
|
|
void SceneOpenGL::Texture::discard()
|
|
{
|
|
d_ptr = d_func()->backend()->createBackendTexture(this);
|
|
}
|
|
|
|
bool SceneOpenGL::Texture::load(const Pixmap& pix, const QSize& size,
|
|
int depth)
|
|
{
|
|
if (pix == None)
|
|
return false;
|
|
return load(pix, size, depth,
|
|
QRegion(0, 0, size.width(), size.height()));
|
|
}
|
|
|
|
bool SceneOpenGL::Texture::load(const QImage& image, GLenum target)
|
|
{
|
|
if (image.isNull())
|
|
return false;
|
|
return load(QPixmap::fromImage(image), target);
|
|
}
|
|
|
|
bool SceneOpenGL::Texture::load(const QPixmap& pixmap, GLenum target)
|
|
{
|
|
if (pixmap.isNull())
|
|
return false;
|
|
|
|
// Checking whether QPixmap comes with its own X11 Pixmap
|
|
if (Extensions::nonNativePixmaps()) {
|
|
return GLTexture::load(pixmap.toImage(), target);
|
|
}
|
|
|
|
// use the X11 pixmap provided by Qt
|
|
return load(pixmap.handle(), pixmap.size(), pixmap.depth());
|
|
}
|
|
|
|
void SceneOpenGL::Texture::findTarget()
|
|
{
|
|
Q_D(Texture);
|
|
d->findTarget();
|
|
}
|
|
|
|
bool SceneOpenGL::Texture::load(const Pixmap& pix, const QSize& size,
|
|
int depth, QRegion region)
|
|
{
|
|
Q_UNUSED(region)
|
|
// decrease the reference counter for the old texture
|
|
d_ptr = d_func()->backend()->createBackendTexture(this); //new TexturePrivate();
|
|
|
|
Q_D(Texture);
|
|
return d->loadTexture(pix, size, depth);
|
|
}
|
|
|
|
bool SceneOpenGL::Texture::update(const QRegion &damage)
|
|
{
|
|
Q_D(Texture);
|
|
return d->update(damage);
|
|
}
|
|
|
|
//****************************************
|
|
// SceneOpenGL::Texture
|
|
//****************************************
|
|
SceneOpenGL::TexturePrivate::TexturePrivate()
|
|
{
|
|
}
|
|
|
|
SceneOpenGL::TexturePrivate::~TexturePrivate()
|
|
{
|
|
}
|
|
|
|
bool SceneOpenGL::TexturePrivate::update(const QRegion &damage)
|
|
{
|
|
Q_UNUSED(damage)
|
|
return true;
|
|
}
|
|
|
|
//****************************************
|
|
// SceneOpenGL::Window
|
|
//****************************************
|
|
|
|
SceneOpenGL::Window::Window(Toplevel* c)
|
|
: Scene::Window(c)
|
|
, m_scene(NULL)
|
|
{
|
|
}
|
|
|
|
SceneOpenGL::Window::~Window()
|
|
{
|
|
}
|
|
|
|
static SceneOpenGL::Texture *s_frameTexture = NULL;
|
|
// Bind the window pixmap to an OpenGL texture.
|
|
bool SceneOpenGL::Window::bindTexture()
|
|
{
|
|
s_frameTexture = NULL;
|
|
OpenGLWindowPixmap *pixmap = windowPixmap<OpenGLWindowPixmap>();
|
|
if (!pixmap) {
|
|
return false;
|
|
}
|
|
s_frameTexture = pixmap->texture();
|
|
if (pixmap->isDiscarded()) {
|
|
return !pixmap->texture()->isNull();
|
|
}
|
|
return pixmap->bind();
|
|
}
|
|
|
|
QMatrix4x4 SceneOpenGL::Window::transformation(int mask, const WindowPaintData &data) const
|
|
{
|
|
QMatrix4x4 matrix;
|
|
matrix.translate(x(), y());
|
|
|
|
if (!(mask & PAINT_WINDOW_TRANSFORMED))
|
|
return matrix;
|
|
|
|
matrix.translate(data.translation());
|
|
data.scale().applyTo(&matrix);
|
|
|
|
if (data.rotationAngle() == 0.0)
|
|
return matrix;
|
|
|
|
// Apply the rotation
|
|
// cannot use data.rotation.applyTo(&matrix) as QGraphicsRotation uses projectedRotate to map back to 2D
|
|
matrix.translate(data.rotationOrigin());
|
|
const QVector3D axis = data.rotationAxis();
|
|
matrix.rotate(data.rotationAngle(), axis.x(), axis.y(), axis.z());
|
|
matrix.translate(-data.rotationOrigin());
|
|
|
|
return matrix;
|
|
}
|
|
|
|
bool SceneOpenGL::Window::beginRenderWindow(int mask, const QRegion ®ion, WindowPaintData &data)
|
|
{
|
|
if (region.isEmpty())
|
|
return false;
|
|
|
|
m_hardwareClipping = region != infiniteRegion() && (mask & PAINT_WINDOW_TRANSFORMED) && !(mask & PAINT_SCREEN_TRANSFORMED);
|
|
if (region != infiniteRegion() && !m_hardwareClipping) {
|
|
WindowQuadList quads;
|
|
quads.reserve(data.quads.count());
|
|
|
|
const QRegion filterRegion = region.translated(-x(), -y());
|
|
// split all quads in bounding rect with the actual rects in the region
|
|
foreach (const WindowQuad &quad, data.quads) {
|
|
foreach (const QRect &r, filterRegion.rects()) {
|
|
const QRectF rf(r);
|
|
const QRectF quadRect(QPointF(quad.left(), quad.top()), QPointF(quad.right(), quad.bottom()));
|
|
// case 1: completely contains, include and do not check other rects
|
|
if (rf.contains(quadRect)) {
|
|
quads << quad;
|
|
break;
|
|
}
|
|
// case 2: intersection
|
|
if (rf.intersects(quadRect)) {
|
|
const QRectF intersected = rf.intersected(quadRect);
|
|
quads << quad.makeSubQuad(intersected.left(), intersected.top(), intersected.right(), intersected.bottom());
|
|
}
|
|
}
|
|
}
|
|
data.quads = quads;
|
|
}
|
|
|
|
if (data.quads.isEmpty())
|
|
return false;
|
|
|
|
if (!bindTexture() || !s_frameTexture) {
|
|
return false;
|
|
}
|
|
|
|
if (m_hardwareClipping) {
|
|
glEnable(GL_SCISSOR_TEST);
|
|
}
|
|
|
|
// Update the texture filter
|
|
if (options->glSmoothScale() != 0 &&
|
|
(mask & (PAINT_WINDOW_TRANSFORMED | PAINT_SCREEN_TRANSFORMED)))
|
|
filter = ImageFilterGood;
|
|
else
|
|
filter = ImageFilterFast;
|
|
|
|
s_frameTexture->setFilter(filter == ImageFilterGood ? GL_LINEAR : GL_NEAREST);
|
|
|
|
const GLVertexAttrib attribs[] = {
|
|
{ VA_Position, 2, GL_FLOAT, offsetof(GLVertex2D, position) },
|
|
{ VA_TexCoord, 2, GL_FLOAT, offsetof(GLVertex2D, texcoord) },
|
|
};
|
|
|
|
GLVertexBuffer *vbo = GLVertexBuffer::streamingBuffer();
|
|
vbo->reset();
|
|
vbo->setAttribLayout(attribs, 2, sizeof(GLVertex2D));
|
|
|
|
return true;
|
|
}
|
|
|
|
void SceneOpenGL::Window::endRenderWindow()
|
|
{
|
|
if (m_hardwareClipping) {
|
|
glDisable(GL_SCISSOR_TEST);
|
|
}
|
|
}
|
|
|
|
|
|
OpenGLPaintRedirector *SceneOpenGL::Window::paintRedirector() const
|
|
{
|
|
if (toplevel->isClient()) {
|
|
Client *client = static_cast<Client *>(toplevel);
|
|
if (client->noBorder())
|
|
return 0;
|
|
|
|
return static_cast<OpenGLPaintRedirector *>(client->decorationPaintRedirector());
|
|
}
|
|
|
|
if (toplevel->isDeleted()) {
|
|
Deleted *deleted = static_cast<Deleted *>(toplevel);
|
|
if (deleted->noBorder())
|
|
return 0;
|
|
|
|
return static_cast<OpenGLPaintRedirector *>(deleted->decorationPaintRedirector());
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
bool SceneOpenGL::Window::getDecorationTextures(GLTexture **textures) const
|
|
{
|
|
OpenGLPaintRedirector *redirector = paintRedirector();
|
|
if (!redirector)
|
|
return false;
|
|
|
|
redirector->ensurePixmapsPainted();
|
|
|
|
textures[0] = redirector->leftRightTexture();
|
|
textures[1] = redirector->topBottomTexture();
|
|
|
|
redirector->markAsRepainted();
|
|
return true;
|
|
}
|
|
|
|
void SceneOpenGL::Window::paintDecorations(const WindowPaintData &data, const QRegion ®ion)
|
|
{
|
|
GLTexture *textures[2];
|
|
if (!getDecorationTextures(textures))
|
|
return;
|
|
|
|
WindowQuadList quads[2]; // left-right, top-bottom
|
|
|
|
// Split the quads into two lists
|
|
foreach (const WindowQuad &quad, data.quads) {
|
|
switch (quad.type()) {
|
|
case WindowQuadDecorationLeftRight:
|
|
quads[0].append(quad);
|
|
continue;
|
|
|
|
case WindowQuadDecorationTopBottom:
|
|
quads[1].append(quad);
|
|
continue;
|
|
|
|
default:
|
|
continue;
|
|
}
|
|
}
|
|
|
|
TextureType type[] = { DecorationLeftRight, DecorationTopBottom };
|
|
for (int i = 0; i < 2; i++)
|
|
paintDecoration(textures[i], type[i], region, data, quads[i]);
|
|
}
|
|
|
|
void SceneOpenGL::Window::paintDecoration(GLTexture *texture, TextureType type,
|
|
const QRegion ®ion, const WindowPaintData &data,
|
|
const WindowQuadList &quads)
|
|
{
|
|
if (!texture || quads.isEmpty())
|
|
return;
|
|
|
|
if (filter == ImageFilterGood)
|
|
texture->setFilter(GL_LINEAR);
|
|
else
|
|
texture->setFilter(GL_NEAREST);
|
|
|
|
texture->setWrapMode(GL_CLAMP_TO_EDGE);
|
|
texture->bind();
|
|
|
|
prepareStates(type, data.opacity() * data.decorationOpacity(), data.brightness(), data.saturation(), data.screen());
|
|
renderQuads(0, region, quads, texture, false);
|
|
restoreStates(type, data.opacity() * data.decorationOpacity(), data.brightness(), data.saturation());
|
|
|
|
texture->unbind();
|
|
|
|
#ifndef KWIN_HAVE_OPENGLES
|
|
if (m_scene && m_scene->debug()) {
|
|
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
|
|
GLVertexBuffer::streamingBuffer()->render(region, GL_TRIANGLES, m_hardwareClipping);
|
|
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
void SceneOpenGL::Window::paintShadow(const QRegion ®ion, const WindowPaintData &data)
|
|
{
|
|
WindowQuadList quads;
|
|
|
|
foreach (const WindowQuad &quad, data.quads) {
|
|
switch (quad.type()) {
|
|
case WindowQuadShadowTopLeft:
|
|
case WindowQuadShadowTop:
|
|
case WindowQuadShadowTopRight:
|
|
case WindowQuadShadowLeft:
|
|
case WindowQuadShadowRight:
|
|
case WindowQuadShadowBottomLeft:
|
|
case WindowQuadShadowBottom:
|
|
case WindowQuadShadowBottomRight:
|
|
quads.append(quad);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (quads.isEmpty())
|
|
return;
|
|
|
|
GLTexture *texture = static_cast<SceneOpenGLShadow*>(m_shadow)->shadowTexture();
|
|
if (!texture) {
|
|
return;
|
|
}
|
|
if (filter == ImageFilterGood)
|
|
texture->setFilter(GL_LINEAR);
|
|
else
|
|
texture->setFilter(GL_NEAREST);
|
|
texture->setWrapMode(GL_CLAMP_TO_EDGE);
|
|
texture->bind();
|
|
prepareStates(Shadow, data.opacity(), data.brightness(), data.saturation(), data.screen());
|
|
renderQuads(0, region, quads, texture, true);
|
|
restoreStates(Shadow, data.opacity(), data.brightness(), data.saturation());
|
|
texture->unbind();
|
|
#ifndef KWIN_HAVE_OPENGLES
|
|
if (m_scene && m_scene->debug()) {
|
|
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
|
|
renderQuads(0, region, quads, texture, true);
|
|
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
void SceneOpenGL::Window::renderQuads(int, const QRegion& region, const WindowQuadList& quads,
|
|
GLTexture *tex, bool normalized)
|
|
{
|
|
if (quads.isEmpty())
|
|
return;
|
|
|
|
const QMatrix4x4 matrix = tex->matrix(normalized ? NormalizedCoordinates : UnnormalizedCoordinates);
|
|
|
|
// Render geometry
|
|
GLenum primitiveType;
|
|
int primcount;
|
|
|
|
if (GLVertexBuffer::supportsIndexedQuads()) {
|
|
primitiveType = GL_QUADS_KWIN;
|
|
primcount = quads.count() * 4;
|
|
} else {
|
|
primitiveType = GL_TRIANGLES;
|
|
primcount = quads.count() * 6;
|
|
}
|
|
|
|
GLVertexBuffer *vbo = GLVertexBuffer::streamingBuffer();
|
|
vbo->setVertexCount(primcount);
|
|
|
|
GLVertex2D *map = (GLVertex2D *) vbo->map(primcount * sizeof(GLVertex2D));
|
|
quads.makeInterleavedArrays(primitiveType, map, matrix);
|
|
vbo->unmap();
|
|
|
|
vbo->render(region, primitiveType, m_hardwareClipping);
|
|
}
|
|
|
|
GLTexture *SceneOpenGL::Window::textureForType(SceneOpenGL::Window::TextureType type)
|
|
{
|
|
GLTexture *tex = NULL;
|
|
OpenGLPaintRedirector *redirector = NULL;
|
|
|
|
if (type != Content && type != Shadow) {
|
|
if (toplevel->isClient()) {
|
|
Client *client = static_cast<Client*>(toplevel);
|
|
redirector = static_cast<OpenGLPaintRedirector*>(client->decorationPaintRedirector());
|
|
} else if (toplevel->isDeleted()) {
|
|
Deleted *deleted = static_cast<Deleted*>(toplevel);
|
|
redirector = static_cast<OpenGLPaintRedirector*>(deleted->decorationPaintRedirector());
|
|
}
|
|
}
|
|
|
|
switch(type) {
|
|
case Content:
|
|
tex = s_frameTexture;
|
|
break;
|
|
|
|
case DecorationLeftRight:
|
|
tex = redirector ? redirector->leftRightTexture() : 0;
|
|
break;
|
|
|
|
case DecorationTopBottom:
|
|
tex = redirector ? redirector->topBottomTexture() : 0;
|
|
break;
|
|
|
|
case Shadow:
|
|
tex = static_cast<SceneOpenGLShadow*>(m_shadow)->shadowTexture();
|
|
}
|
|
return tex;
|
|
}
|
|
|
|
WindowPixmap* SceneOpenGL::Window::createWindowPixmap()
|
|
{
|
|
return new OpenGLWindowPixmap(this, m_scene);
|
|
}
|
|
|
|
//***************************************
|
|
// SceneOpenGL2Window
|
|
//***************************************
|
|
SceneOpenGL2Window::SceneOpenGL2Window(Toplevel *c)
|
|
: SceneOpenGL::Window(c)
|
|
, m_blendingEnabled(false)
|
|
{
|
|
}
|
|
|
|
SceneOpenGL2Window::~SceneOpenGL2Window()
|
|
{
|
|
}
|
|
|
|
QVector4D SceneOpenGL2Window::modulate(float opacity, float brightness) const
|
|
{
|
|
const float a = opacity;
|
|
const float rgb = opacity * brightness;
|
|
|
|
return QVector4D(rgb, rgb, rgb, a);
|
|
}
|
|
|
|
void SceneOpenGL2Window::setBlendEnabled(bool enabled)
|
|
{
|
|
if (enabled && !m_blendingEnabled)
|
|
glEnable(GL_BLEND);
|
|
else if (!enabled && m_blendingEnabled)
|
|
glDisable(GL_BLEND);
|
|
|
|
m_blendingEnabled = enabled;
|
|
}
|
|
|
|
void SceneOpenGL2Window::setupLeafNodes(LeafNode *nodes, const WindowQuadList *quads, const WindowPaintData &data)
|
|
{
|
|
if (!quads[ShadowLeaf].isEmpty()) {
|
|
nodes[ShadowLeaf].texture = static_cast<SceneOpenGLShadow *>(m_shadow)->shadowTexture();
|
|
nodes[ShadowLeaf].opacity = data.opacity();
|
|
nodes[ShadowLeaf].hasAlpha = true;
|
|
nodes[ShadowLeaf].coordinateType = NormalizedCoordinates;
|
|
}
|
|
|
|
if (!quads[LeftRightLeaf].isEmpty() || !quads[TopBottomLeaf].isEmpty()) {
|
|
GLTexture *textures[2];
|
|
getDecorationTextures(textures);
|
|
|
|
nodes[LeftRightLeaf].texture = textures[0];
|
|
nodes[LeftRightLeaf].opacity = data.opacity() * data.decorationOpacity();
|
|
nodes[LeftRightLeaf].hasAlpha = true;
|
|
nodes[LeftRightLeaf].coordinateType = UnnormalizedCoordinates;
|
|
|
|
nodes[TopBottomLeaf].texture = textures[1];
|
|
nodes[TopBottomLeaf].opacity = data.opacity() * data.decorationOpacity();
|
|
nodes[TopBottomLeaf].hasAlpha = true;
|
|
nodes[TopBottomLeaf].coordinateType = UnnormalizedCoordinates;
|
|
}
|
|
|
|
nodes[ContentLeaf].texture = s_frameTexture;
|
|
nodes[ContentLeaf].hasAlpha = !isOpaque();
|
|
nodes[ContentLeaf].opacity = data.opacity();
|
|
nodes[ContentLeaf].coordinateType = UnnormalizedCoordinates;
|
|
|
|
if (data.crossFadeProgress() != 1.0) {
|
|
OpenGLWindowPixmap *previous = previousWindowPixmap<OpenGLWindowPixmap>();
|
|
nodes[PreviousContentLeaf].texture = previous ? previous->texture() : NULL;
|
|
nodes[PreviousContentLeaf].hasAlpha = !isOpaque();
|
|
nodes[PreviousContentLeaf].opacity = 1.0 - data.crossFadeProgress();
|
|
nodes[PreviousContentLeaf].coordinateType = NormalizedCoordinates;
|
|
}
|
|
}
|
|
|
|
void SceneOpenGL2Window::performPaint(int mask, QRegion region, WindowPaintData data)
|
|
{
|
|
if (!beginRenderWindow(mask, region, data))
|
|
return;
|
|
|
|
GLShader *shader = data.shader;
|
|
if (!shader) {
|
|
if ((mask & Scene::PAINT_WINDOW_TRANSFORMED) || (mask & Scene::PAINT_SCREEN_TRANSFORMED)) {
|
|
shader = ShaderManager::instance()->pushShader(ShaderManager::GenericShader);
|
|
} else {
|
|
shader = ShaderManager::instance()->pushShader(ShaderManager::SimpleShader);
|
|
shader->setUniform(GLShader::Offset, QVector2D(x(), y()));
|
|
}
|
|
}
|
|
|
|
static_cast<SceneOpenGL2*>(m_scene)->colorCorrection()->setupForOutput(data.screen());
|
|
|
|
shader->setUniform(GLShader::WindowTransformation, transformation(mask, data));
|
|
shader->setUniform(GLShader::Saturation, data.saturation());
|
|
|
|
const GLenum filter = (mask & (Effect::PAINT_WINDOW_TRANSFORMED | Effect::PAINT_SCREEN_TRANSFORMED))
|
|
&& options->glSmoothScale() != 0 ? GL_LINEAR : GL_NEAREST;
|
|
|
|
WindowQuadList quads[LeafCount];
|
|
|
|
// Split the quads into separate lists for each type
|
|
foreach (const WindowQuad &quad, data.quads) {
|
|
switch (quad.type()) {
|
|
case WindowQuadDecorationLeftRight:
|
|
quads[LeftRightLeaf].append(quad);
|
|
continue;
|
|
|
|
case WindowQuadDecorationTopBottom:
|
|
quads[TopBottomLeaf].append(quad);
|
|
continue;
|
|
|
|
case WindowQuadContents:
|
|
quads[ContentLeaf].append(quad);
|
|
continue;
|
|
|
|
case WindowQuadShadowTopLeft:
|
|
case WindowQuadShadowTop:
|
|
case WindowQuadShadowTopRight:
|
|
case WindowQuadShadowLeft:
|
|
case WindowQuadShadowRight:
|
|
case WindowQuadShadowBottomLeft:
|
|
case WindowQuadShadowBottom:
|
|
case WindowQuadShadowBottomRight:
|
|
quads[ShadowLeaf].append(quad);
|
|
continue;
|
|
|
|
default:
|
|
continue;
|
|
}
|
|
}
|
|
|
|
if (data.crossFadeProgress() != 1.0) {
|
|
OpenGLWindowPixmap *previous = previousWindowPixmap<OpenGLWindowPixmap>();
|
|
if (previous) {
|
|
const QRect &oldGeometry = previous->contentsRect();
|
|
Q_FOREACH (const WindowQuad &quad, quads[ContentLeaf]) {
|
|
// we need to create new window quads with normalize texture coordinates
|
|
// normal quads divide the x/y position by width/height. This would not work as the texture
|
|
// is larger than the visible content in case of a decorated Client resulting in garbage being shown.
|
|
// So we calculate the normalized texture coordinate in the Client's new content space and map it to
|
|
// the previous Client's content space.
|
|
WindowQuad newQuad(WindowQuadContents);
|
|
for (int i = 0; i < 4; ++i) {
|
|
const qreal xFactor = qreal(quad[i].textureX() - toplevel->clientPos().x())/qreal(toplevel->clientSize().width());
|
|
const qreal yFactor = qreal(quad[i].textureY() - toplevel->clientPos().y())/qreal(toplevel->clientSize().height());
|
|
WindowVertex vertex(quad[i].x(), quad[i].y(),
|
|
(xFactor * oldGeometry.width() + oldGeometry.x())/qreal(previous->size().width()),
|
|
(yFactor * oldGeometry.height() + oldGeometry.y())/qreal(previous->size().height()));
|
|
newQuad[i] = vertex;
|
|
}
|
|
quads[PreviousContentLeaf].append(newQuad);
|
|
}
|
|
}
|
|
}
|
|
|
|
const bool indexedQuads = GLVertexBuffer::supportsIndexedQuads();
|
|
const GLenum primitiveType = indexedQuads ? GL_QUADS_KWIN : GL_TRIANGLES;
|
|
const int verticesPerQuad = indexedQuads ? 4 : 6;
|
|
|
|
const size_t size = verticesPerQuad *
|
|
(quads[0].count() + quads[1].count() + quads[2].count() + quads[3].count() + quads[4].count()) * sizeof(GLVertex2D);
|
|
|
|
GLVertexBuffer *vbo = GLVertexBuffer::streamingBuffer();
|
|
GLVertex2D *map = (GLVertex2D *) vbo->map(size);
|
|
|
|
LeafNode nodes[LeafCount];
|
|
setupLeafNodes(nodes, quads, data);
|
|
|
|
for (int i = 0, v = 0; i < LeafCount; i++) {
|
|
if (quads[i].isEmpty() || !nodes[i].texture)
|
|
continue;
|
|
|
|
nodes[i].firstVertex = v;
|
|
nodes[i].vertexCount = quads[i].count() * verticesPerQuad;
|
|
|
|
const QMatrix4x4 matrix = nodes[i].texture->matrix(nodes[i].coordinateType);
|
|
|
|
quads[i].makeInterleavedArrays(primitiveType, &map[v], matrix);
|
|
v += quads[i].count() * verticesPerQuad;
|
|
}
|
|
|
|
vbo->unmap();
|
|
vbo->bindArrays();
|
|
|
|
// Make sure the blend function is set up correctly in case we will be doing blending
|
|
glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
|
|
|
|
float opacity = -1.0;
|
|
|
|
for (int i = 0; i < LeafCount; i++) {
|
|
if (nodes[i].vertexCount == 0)
|
|
continue;
|
|
|
|
setBlendEnabled(nodes[i].hasAlpha || nodes[i].opacity < 1.0);
|
|
|
|
if (opacity != nodes[i].opacity) {
|
|
shader->setUniform(GLShader::ModulationConstant,
|
|
modulate(nodes[i].opacity, data.brightness()));
|
|
opacity = nodes[i].opacity;
|
|
}
|
|
|
|
nodes[i].texture->setFilter(filter);
|
|
nodes[i].texture->setWrapMode(GL_CLAMP_TO_EDGE);
|
|
nodes[i].texture->bind();
|
|
|
|
vbo->draw(region, primitiveType, nodes[i].firstVertex, nodes[i].vertexCount, m_hardwareClipping);
|
|
}
|
|
|
|
vbo->unbindArrays();
|
|
|
|
setBlendEnabled(false);
|
|
|
|
if (!data.shader)
|
|
ShaderManager::instance()->popShader();
|
|
|
|
endRenderWindow();
|
|
}
|
|
|
|
void SceneOpenGL2Window::prepareStates(TextureType type, qreal opacity, qreal brightness, qreal saturation, int screen)
|
|
{
|
|
// setup blending of transparent windows
|
|
bool opaque = isOpaque() && opacity == 1.0;
|
|
bool alpha = toplevel->hasAlpha() || type != Content;
|
|
if (type != Content) {
|
|
if (type == Shadow) {
|
|
opaque = false;
|
|
} else {
|
|
if (opacity == 1.0 && toplevel->isClient()) {
|
|
opaque = !(static_cast<Client*>(toplevel)->decorationHasAlpha());
|
|
} else {
|
|
// TODO: add support in Deleted
|
|
opaque = false;
|
|
}
|
|
}
|
|
}
|
|
if (!opaque) {
|
|
glEnable(GL_BLEND);
|
|
if (alpha) {
|
|
glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
|
|
} else {
|
|
glBlendColor((float)opacity, (float)opacity, (float)opacity, (float)opacity);
|
|
glBlendFunc(GL_ONE, GL_ONE_MINUS_CONSTANT_ALPHA);
|
|
}
|
|
}
|
|
m_blendingEnabled = !opaque;
|
|
|
|
const qreal rgb = brightness * opacity;
|
|
const qreal a = opacity;
|
|
|
|
GLShader *shader = ShaderManager::instance()->getBoundShader();
|
|
shader->setUniform(GLShader::ModulationConstant, QVector4D(rgb, rgb, rgb, a));
|
|
shader->setUniform(GLShader::Saturation, saturation);
|
|
|
|
static_cast<SceneOpenGL2*>(m_scene)->colorCorrection()->setupForOutput(screen);
|
|
}
|
|
|
|
void SceneOpenGL2Window::restoreStates(TextureType type, qreal opacity, qreal brightness, qreal saturation)
|
|
{
|
|
Q_UNUSED(type);
|
|
Q_UNUSED(opacity);
|
|
Q_UNUSED(brightness);
|
|
Q_UNUSED(saturation);
|
|
if (m_blendingEnabled) {
|
|
glDisable(GL_BLEND);
|
|
}
|
|
|
|
static_cast<SceneOpenGL2*>(m_scene)->colorCorrection()->setupForOutput(-1);
|
|
}
|
|
|
|
//***************************************
|
|
// SceneOpenGL1Window
|
|
//***************************************
|
|
#ifdef KWIN_HAVE_OPENGL_1
|
|
SceneOpenGL1Window::SceneOpenGL1Window(Toplevel *c)
|
|
: SceneOpenGL::Window(c)
|
|
{
|
|
}
|
|
|
|
SceneOpenGL1Window::~SceneOpenGL1Window()
|
|
{
|
|
}
|
|
|
|
// paint the window
|
|
void SceneOpenGL1Window::performPaint(int mask, QRegion region, WindowPaintData data)
|
|
{
|
|
if (!beginRenderWindow(mask, region, data))
|
|
return;
|
|
|
|
pushMatrix(transformation(mask, data));
|
|
|
|
// shadow
|
|
if (m_shadow) {
|
|
paintShadow(region, data);
|
|
}
|
|
// decorations
|
|
paintDecorations(data, region);
|
|
|
|
// paint the content
|
|
OpenGLWindowPixmap *previous = previousWindowPixmap<OpenGLWindowPixmap>();
|
|
const WindowQuadList contentQuads = data.quads.select(WindowQuadContents);
|
|
if (previous && data.crossFadeProgress() != 1.0) {
|
|
paintContent(s_frameTexture, region, mask, data.opacity(), data, contentQuads, false);
|
|
previous->texture()->setFilter(filter == Scene::ImageFilterGood ? GL_LINEAR : GL_NEAREST);
|
|
WindowQuadList oldContents;
|
|
const QRect &oldGeometry = previous->contentsRect();
|
|
Q_FOREACH (const WindowQuad &quad, contentQuads) {
|
|
// we need to create new window quads with normalize texture coordinates
|
|
// normal quads divide the x/y position by width/height. This would not work as the texture
|
|
// is larger than the visible content in case of a decorated Client resulting in garbage being shown.
|
|
// So we calculate the normalized texture coordinate in the Client's new content space and map it to
|
|
// the previous Client's content space.
|
|
WindowQuad newQuad(WindowQuadContents);
|
|
for (int i = 0; i < 4; ++i) {
|
|
const qreal xFactor = qreal(quad[i].textureX() - toplevel->clientPos().x())/qreal(toplevel->clientSize().width());
|
|
const qreal yFactor = qreal(quad[i].textureY() - toplevel->clientPos().y())/qreal(toplevel->clientSize().height());
|
|
WindowVertex vertex(quad[i].x(), quad[i].y(),
|
|
(xFactor * oldGeometry.width() + oldGeometry.x())/qreal(previous->size().width()),
|
|
(yFactor * oldGeometry.height() + oldGeometry.y())/qreal(previous->size().height()));
|
|
newQuad[i] = vertex;
|
|
}
|
|
oldContents.append(newQuad);
|
|
}
|
|
paintContent(previous->texture(), region, mask, 1.0 - data.crossFadeProgress(), data, oldContents, true);
|
|
} else {
|
|
paintContent(s_frameTexture, region, mask, data.opacity(), data, contentQuads, false);
|
|
}
|
|
|
|
popMatrix();
|
|
|
|
endRenderWindow();
|
|
}
|
|
|
|
void SceneOpenGL1Window::paintContent(SceneOpenGL::Texture* content, const QRegion& region, int mask,
|
|
qreal opacity, const WindowPaintData& data, const WindowQuadList &contentQuads, bool normalized)
|
|
{
|
|
if (contentQuads.isEmpty()) {
|
|
return;
|
|
}
|
|
content->bind();
|
|
prepareStates(Content, opacity, data.brightness(), data.saturation(), data.screen());
|
|
renderQuads(mask, region, contentQuads, content, normalized);
|
|
restoreStates(Content, opacity, data.brightness(), data.saturation());
|
|
content->unbind();
|
|
#ifndef KWIN_HAVE_OPENGLES
|
|
if (m_scene && m_scene->debug()) {
|
|
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
|
|
renderQuads(mask, region, contentQuads, content, normalized);
|
|
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
void SceneOpenGL1Window::prepareStates(TextureType type, qreal opacity, qreal brightness, qreal saturation, int screen)
|
|
{
|
|
Q_UNUSED(screen)
|
|
|
|
GLTexture *tex = textureForType(type);
|
|
bool alpha = false;
|
|
bool opaque = true;
|
|
if (type == Content) {
|
|
alpha = toplevel->hasAlpha();
|
|
opaque = isOpaque() && opacity == 1.0;
|
|
} else {
|
|
alpha = true;
|
|
opaque = false;
|
|
}
|
|
// setup blending of transparent windows
|
|
glPushAttrib(GL_ENABLE_BIT);
|
|
if (!opaque) {
|
|
glEnable(GL_BLEND);
|
|
glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
|
|
}
|
|
if (saturation != 1.0 && tex->saturationSupported()) {
|
|
// First we need to get the color from [0; 1] range to [0.5; 1] range
|
|
glActiveTexture(GL_TEXTURE0);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB, GL_INTERPOLATE);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB, GL_TEXTURE);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB, GL_SRC_COLOR);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB, GL_CONSTANT);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_RGB, GL_SRC_COLOR);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_RGB, GL_CONSTANT);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_RGB, GL_SRC_ALPHA);
|
|
const float scale_constant[] = { 1.0, 1.0, 1.0, 0.5};
|
|
glTexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_COLOR, scale_constant);
|
|
tex->bind();
|
|
|
|
// Then we take dot product of the result of previous pass and
|
|
// saturation_constant. This gives us completely unsaturated
|
|
// (greyscale) image
|
|
// Note that both operands have to be in range [0.5; 1] since opengl
|
|
// automatically substracts 0.5 from them
|
|
glActiveTexture(GL_TEXTURE1);
|
|
float saturation_constant[] = { 0.5 + 0.5 * 0.30, 0.5 + 0.5 * 0.59, 0.5 + 0.5 * 0.11,
|
|
static_cast<float>(saturation) };
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB, GL_DOT3_RGB);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB, GL_PREVIOUS);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB, GL_SRC_COLOR);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB, GL_CONSTANT);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_RGB, GL_SRC_COLOR);
|
|
glTexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_COLOR, saturation_constant);
|
|
tex->bind();
|
|
|
|
// Finally we need to interpolate between the original image and the
|
|
// greyscale image to get wanted level of saturation
|
|
glActiveTexture(GL_TEXTURE2);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB, GL_INTERPOLATE);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB, GL_TEXTURE0);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB, GL_SRC_COLOR);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB, GL_PREVIOUS);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_RGB, GL_SRC_COLOR);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_RGB, GL_CONSTANT);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_RGB, GL_SRC_ALPHA);
|
|
glTexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_COLOR, saturation_constant);
|
|
// Also replace alpha by primary color's alpha here
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA, GL_REPLACE);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA, GL_PRIMARY_COLOR);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA, GL_SRC_ALPHA);
|
|
// And make primary color contain the wanted opacity
|
|
glColor4f(opacity, opacity, opacity, opacity);
|
|
tex->bind();
|
|
|
|
if (alpha || brightness != 1.0f) {
|
|
glActiveTexture(GL_TEXTURE3);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB, GL_MODULATE);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB, GL_PREVIOUS);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB, GL_SRC_COLOR);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB, GL_PRIMARY_COLOR);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_RGB, GL_SRC_COLOR);
|
|
// The color has to be multiplied by both opacity and brightness
|
|
float opacityByBrightness = opacity * brightness;
|
|
glColor4f(opacityByBrightness, opacityByBrightness, opacityByBrightness, opacity);
|
|
if (alpha) {
|
|
// Multiply original texture's alpha by our opacity
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA, GL_MODULATE);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA, GL_TEXTURE0);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA, GL_SRC_ALPHA);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_ALPHA, GL_PRIMARY_COLOR);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_ALPHA, GL_SRC_ALPHA);
|
|
} else {
|
|
// Alpha will be taken from previous stage
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA, GL_REPLACE);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA, GL_PREVIOUS);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA, GL_SRC_ALPHA);
|
|
}
|
|
tex->bind();
|
|
}
|
|
|
|
glActiveTexture(GL_TEXTURE0);
|
|
} else if (opacity != 1.0 || brightness != 1.0) {
|
|
// the window is additionally configured to have its opacity adjusted,
|
|
// do it
|
|
float opacityByBrightness = opacity * brightness;
|
|
if (alpha) {
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
|
|
glColor4f(opacityByBrightness, opacityByBrightness, opacityByBrightness,
|
|
opacity);
|
|
} else {
|
|
// Multiply color by brightness and replace alpha by opacity
|
|
float constant[] = { opacityByBrightness, opacityByBrightness, opacityByBrightness,
|
|
static_cast<float>(opacity) };
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB, GL_MODULATE);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB, GL_TEXTURE);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB, GL_SRC_COLOR);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB, GL_CONSTANT);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_RGB, GL_SRC_COLOR);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA, GL_REPLACE);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA, GL_CONSTANT);
|
|
glTexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_COLOR, constant);
|
|
}
|
|
} else if (!alpha && opaque) {
|
|
float constant[] = { 1.0, 1.0, 1.0, 1.0 };
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB, GL_REPLACE);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB, GL_TEXTURE);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA, GL_REPLACE);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA, GL_CONSTANT);
|
|
glTexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_COLOR, constant);
|
|
}
|
|
}
|
|
|
|
void SceneOpenGL1Window::restoreStates(TextureType type, qreal opacity, qreal brightness, qreal saturation)
|
|
{
|
|
GLTexture *tex = textureForType(type);
|
|
if (opacity != 1.0 || saturation != 1.0 || brightness != 1.0f) {
|
|
if (saturation != 1.0 && tex->saturationSupported()) {
|
|
glActiveTexture(GL_TEXTURE3);
|
|
glDisable(tex->target());
|
|
glActiveTexture(GL_TEXTURE2);
|
|
glDisable(tex->target());
|
|
glActiveTexture(GL_TEXTURE1);
|
|
glDisable(tex->target());
|
|
glActiveTexture(GL_TEXTURE0);
|
|
}
|
|
}
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
|
|
glColor4f(0, 0, 0, 0);
|
|
|
|
glPopAttrib(); // ENABLE_BIT
|
|
}
|
|
#endif
|
|
|
|
//****************************************
|
|
// OpenGLWindowPixmap
|
|
//****************************************
|
|
|
|
OpenGLWindowPixmap::OpenGLWindowPixmap(Scene::Window *window, SceneOpenGL* scene)
|
|
: WindowPixmap(window)
|
|
, m_scene(scene)
|
|
, m_texture(scene->createTexture())
|
|
{
|
|
}
|
|
|
|
OpenGLWindowPixmap::~OpenGLWindowPixmap()
|
|
{
|
|
}
|
|
|
|
bool OpenGLWindowPixmap::bind()
|
|
{
|
|
if (!m_texture->isNull()) {
|
|
if (!toplevel()->damage().isEmpty()) {
|
|
const bool success = m_texture->update(toplevel()->damage());
|
|
// mipmaps need to be updated
|
|
m_texture->setDirty();
|
|
toplevel()->resetDamage();
|
|
return success;
|
|
}
|
|
return true;
|
|
}
|
|
if (!isValid()) {
|
|
return false;
|
|
}
|
|
|
|
bool success = m_texture->load(pixmap(), toplevel()->size(), toplevel()->depth(), toplevel()->damage());
|
|
|
|
if (success)
|
|
toplevel()->resetDamage();
|
|
else
|
|
kDebug(1212) << "Failed to bind window";
|
|
return success;
|
|
}
|
|
|
|
//****************************************
|
|
// SceneOpenGL::EffectFrame
|
|
//****************************************
|
|
|
|
GLTexture* SceneOpenGL::EffectFrame::m_unstyledTexture = NULL;
|
|
QPixmap* SceneOpenGL::EffectFrame::m_unstyledPixmap = NULL;
|
|
|
|
SceneOpenGL::EffectFrame::EffectFrame(EffectFrameImpl* frame, SceneOpenGL *scene)
|
|
: Scene::EffectFrame(frame)
|
|
, m_texture(NULL)
|
|
, m_textTexture(NULL)
|
|
, m_oldTextTexture(NULL)
|
|
, m_textPixmap(NULL)
|
|
, m_iconTexture(NULL)
|
|
, m_oldIconTexture(NULL)
|
|
, m_selectionTexture(NULL)
|
|
, m_unstyledVBO(NULL)
|
|
, m_scene(scene)
|
|
{
|
|
if (m_effectFrame->style() == EffectFrameUnstyled && !m_unstyledTexture) {
|
|
updateUnstyledTexture();
|
|
}
|
|
}
|
|
|
|
SceneOpenGL::EffectFrame::~EffectFrame()
|
|
{
|
|
delete m_texture;
|
|
delete m_textTexture;
|
|
delete m_textPixmap;
|
|
delete m_oldTextTexture;
|
|
delete m_iconTexture;
|
|
delete m_oldIconTexture;
|
|
delete m_selectionTexture;
|
|
delete m_unstyledVBO;
|
|
}
|
|
|
|
void SceneOpenGL::EffectFrame::free()
|
|
{
|
|
glFlush();
|
|
delete m_texture;
|
|
m_texture = NULL;
|
|
delete m_textTexture;
|
|
m_textTexture = NULL;
|
|
delete m_textPixmap;
|
|
m_textPixmap = NULL;
|
|
delete m_iconTexture;
|
|
m_iconTexture = NULL;
|
|
delete m_selectionTexture;
|
|
m_selectionTexture = NULL;
|
|
delete m_unstyledVBO;
|
|
m_unstyledVBO = NULL;
|
|
delete m_oldIconTexture;
|
|
m_oldIconTexture = NULL;
|
|
delete m_oldTextTexture;
|
|
m_oldTextTexture = NULL;
|
|
}
|
|
|
|
void SceneOpenGL::EffectFrame::freeIconFrame()
|
|
{
|
|
delete m_iconTexture;
|
|
m_iconTexture = NULL;
|
|
}
|
|
|
|
void SceneOpenGL::EffectFrame::freeTextFrame()
|
|
{
|
|
delete m_textTexture;
|
|
m_textTexture = NULL;
|
|
delete m_textPixmap;
|
|
m_textPixmap = NULL;
|
|
}
|
|
|
|
void SceneOpenGL::EffectFrame::freeSelection()
|
|
{
|
|
delete m_selectionTexture;
|
|
m_selectionTexture = NULL;
|
|
}
|
|
|
|
void SceneOpenGL::EffectFrame::crossFadeIcon()
|
|
{
|
|
delete m_oldIconTexture;
|
|
m_oldIconTexture = m_iconTexture;
|
|
m_iconTexture = NULL;
|
|
}
|
|
|
|
void SceneOpenGL::EffectFrame::crossFadeText()
|
|
{
|
|
delete m_oldTextTexture;
|
|
m_oldTextTexture = m_textTexture;
|
|
m_textTexture = NULL;
|
|
}
|
|
|
|
void SceneOpenGL::EffectFrame::render(QRegion region, double opacity, double frameOpacity)
|
|
{
|
|
if (m_effectFrame->geometry().isEmpty())
|
|
return; // Nothing to display
|
|
|
|
region = infiniteRegion(); // TODO: Old region doesn't seem to work with OpenGL
|
|
|
|
GLShader* shader = m_effectFrame->shader();
|
|
bool sceneShader = false;
|
|
if (!shader && ShaderManager::instance()->isValid()) {
|
|
shader = ShaderManager::instance()->pushShader(ShaderManager::SimpleShader);
|
|
sceneShader = true;
|
|
} else if (shader) {
|
|
ShaderManager::instance()->pushShader(shader);
|
|
}
|
|
|
|
if (shader) {
|
|
if (sceneShader)
|
|
shader->setUniform(GLShader::Offset, QVector2D(0, 0));
|
|
|
|
shader->setUniform(GLShader::ModulationConstant, QVector4D(1.0, 1.0, 1.0, 1.0));
|
|
shader->setUniform(GLShader::Saturation, 1.0f);
|
|
}
|
|
|
|
glEnable(GL_BLEND);
|
|
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
|
|
#ifdef KWIN_HAVE_OPENGL_1
|
|
if (!shader)
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
|
|
#endif
|
|
|
|
// Render the actual frame
|
|
if (m_effectFrame->style() == EffectFrameUnstyled) {
|
|
if (!m_unstyledVBO) {
|
|
m_unstyledVBO = new GLVertexBuffer(GLVertexBuffer::Static);
|
|
QRect area = m_effectFrame->geometry();
|
|
area.moveTo(0, 0);
|
|
area.adjust(-5, -5, 5, 5);
|
|
|
|
const int roundness = 5;
|
|
QVector<float> verts, texCoords;
|
|
verts.reserve(84);
|
|
texCoords.reserve(84);
|
|
|
|
// top left
|
|
verts << area.left() << area.top();
|
|
texCoords << 0.0f << 0.0f;
|
|
verts << area.left() << area.top() + roundness;
|
|
texCoords << 0.0f << 0.5f;
|
|
verts << area.left() + roundness << area.top();
|
|
texCoords << 0.5f << 0.0f;
|
|
verts << area.left() + roundness << area.top() + roundness;
|
|
texCoords << 0.5f << 0.5f;
|
|
verts << area.left() << area.top() + roundness;
|
|
texCoords << 0.0f << 0.5f;
|
|
verts << area.left() + roundness << area.top();
|
|
texCoords << 0.5f << 0.0f;
|
|
// top
|
|
verts << area.left() + roundness << area.top();
|
|
texCoords << 0.5f << 0.0f;
|
|
verts << area.left() + roundness << area.top() + roundness;
|
|
texCoords << 0.5f << 0.5f;
|
|
verts << area.right() - roundness << area.top();
|
|
texCoords << 0.5f << 0.0f;
|
|
verts << area.left() + roundness << area.top() + roundness;
|
|
texCoords << 0.5f << 0.5f;
|
|
verts << area.right() - roundness << area.top() + roundness;
|
|
texCoords << 0.5f << 0.5f;
|
|
verts << area.right() - roundness << area.top();
|
|
texCoords << 0.5f << 0.0f;
|
|
// top right
|
|
verts << area.right() - roundness << area.top();
|
|
texCoords << 0.5f << 0.0f;
|
|
verts << area.right() - roundness << area.top() + roundness;
|
|
texCoords << 0.5f << 0.5f;
|
|
verts << area.right() << area.top();
|
|
texCoords << 1.0f << 0.0f;
|
|
verts << area.right() - roundness << area.top() + roundness;
|
|
texCoords << 0.5f << 0.5f;
|
|
verts << area.right() << area.top() + roundness;
|
|
texCoords << 1.0f << 0.5f;
|
|
verts << area.right() << area.top();
|
|
texCoords << 1.0f << 0.0f;
|
|
// bottom left
|
|
verts << area.left() << area.bottom() - roundness;
|
|
texCoords << 0.0f << 0.5f;
|
|
verts << area.left() << area.bottom();
|
|
texCoords << 0.0f << 1.0f;
|
|
verts << area.left() + roundness << area.bottom() - roundness;
|
|
texCoords << 0.5f << 0.5f;
|
|
verts << area.left() + roundness << area.bottom();
|
|
texCoords << 0.5f << 1.0f;
|
|
verts << area.left() << area.bottom();
|
|
texCoords << 0.0f << 1.0f;
|
|
verts << area.left() + roundness << area.bottom() - roundness;
|
|
texCoords << 0.5f << 0.5f;
|
|
// bottom
|
|
verts << area.left() + roundness << area.bottom() - roundness;
|
|
texCoords << 0.5f << 0.5f;
|
|
verts << area.left() + roundness << area.bottom();
|
|
texCoords << 0.5f << 1.0f;
|
|
verts << area.right() - roundness << area.bottom() - roundness;
|
|
texCoords << 0.5f << 0.5f;
|
|
verts << area.left() + roundness << area.bottom();
|
|
texCoords << 0.5f << 1.0f;
|
|
verts << area.right() - roundness << area.bottom();
|
|
texCoords << 0.5f << 1.0f;
|
|
verts << area.right() - roundness << area.bottom() - roundness;
|
|
texCoords << 0.5f << 0.5f;
|
|
// bottom right
|
|
verts << area.right() - roundness << area.bottom() - roundness;
|
|
texCoords << 0.5f << 0.5f;
|
|
verts << area.right() - roundness << area.bottom();
|
|
texCoords << 0.5f << 1.0f;
|
|
verts << area.right() << area.bottom() - roundness;
|
|
texCoords << 1.0f << 0.5f;
|
|
verts << area.right() - roundness << area.bottom();
|
|
texCoords << 0.5f << 1.0f;
|
|
verts << area.right() << area.bottom();
|
|
texCoords << 1.0f << 1.0f;
|
|
verts << area.right() << area.bottom() - roundness;
|
|
texCoords << 1.0f << 0.5f;
|
|
// center
|
|
verts << area.left() << area.top() + roundness;
|
|
texCoords << 0.0f << 0.5f;
|
|
verts << area.left() << area.bottom() - roundness;
|
|
texCoords << 0.0f << 0.5f;
|
|
verts << area.right() << area.top() + roundness;
|
|
texCoords << 1.0f << 0.5f;
|
|
verts << area.left() << area.bottom() - roundness;
|
|
texCoords << 0.0f << 0.5f;
|
|
verts << area.right() << area.bottom() - roundness;
|
|
texCoords << 1.0f << 0.5f;
|
|
verts << area.right() << area.top() + roundness;
|
|
texCoords << 1.0f << 0.5f;
|
|
|
|
m_unstyledVBO->setData(verts.count() / 2, 2, verts.data(), texCoords.data());
|
|
}
|
|
|
|
if (shader) {
|
|
const float a = opacity * frameOpacity;
|
|
shader->setUniform(GLShader::ModulationConstant, QVector4D(a, a, a, a));
|
|
}
|
|
#ifdef KWIN_HAVE_OPENGL_1
|
|
else
|
|
glColor4f(0.0, 0.0, 0.0, opacity * frameOpacity);
|
|
#endif
|
|
|
|
m_unstyledTexture->bind();
|
|
const QPoint pt = m_effectFrame->geometry().topLeft();
|
|
if (sceneShader) {
|
|
shader->setUniform(GLShader::Offset, QVector2D(pt.x(), pt.y()));
|
|
} else {
|
|
QMatrix4x4 translation;
|
|
translation.translate(pt.x(), pt.y());
|
|
if (shader) {
|
|
shader->setUniform(GLShader::WindowTransformation, translation);
|
|
} else {
|
|
pushMatrix(translation);
|
|
}
|
|
}
|
|
m_unstyledVBO->render(region, GL_TRIANGLES);
|
|
if (!sceneShader) {
|
|
if (shader) {
|
|
shader->setUniform(GLShader::WindowTransformation, QMatrix4x4());
|
|
} else {
|
|
popMatrix();
|
|
}
|
|
}
|
|
m_unstyledTexture->unbind();
|
|
} else if (m_effectFrame->style() == EffectFrameStyled) {
|
|
if (!m_texture) // Lazy creation
|
|
updateTexture();
|
|
|
|
if (shader) {
|
|
const float a = opacity * frameOpacity;
|
|
shader->setUniform(GLShader::ModulationConstant, QVector4D(a, a, a, a));
|
|
}
|
|
#ifdef KWIN_HAVE_OPENGL_1
|
|
else
|
|
glColor4f(1.0, 1.0, 1.0, opacity * frameOpacity);
|
|
#endif
|
|
m_texture->bind();
|
|
qreal left, top, right, bottom;
|
|
m_effectFrame->frame().getMargins(left, top, right, bottom); // m_geometry is the inner geometry
|
|
m_texture->render(region, m_effectFrame->geometry().adjusted(-left, -top, right, bottom));
|
|
m_texture->unbind();
|
|
|
|
}
|
|
if (!m_effectFrame->selection().isNull()) {
|
|
if (!m_selectionTexture) { // Lazy creation
|
|
QPixmap pixmap = m_effectFrame->selectionFrame().framePixmap();
|
|
if (!pixmap.isNull())
|
|
m_selectionTexture = m_scene->createTexture(pixmap);
|
|
}
|
|
if (m_selectionTexture) {
|
|
if (shader) {
|
|
const float a = opacity * frameOpacity;
|
|
shader->setUniform(GLShader::ModulationConstant, QVector4D(a, a, a, a));
|
|
}
|
|
#ifdef KWIN_HAVE_OPENGL_1
|
|
else
|
|
glColor4f(1.0, 1.0, 1.0, opacity * frameOpacity);
|
|
#endif
|
|
glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
|
|
m_selectionTexture->bind();
|
|
m_selectionTexture->render(region, m_effectFrame->selection());
|
|
m_selectionTexture->unbind();
|
|
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
|
|
}
|
|
}
|
|
|
|
// Render icon
|
|
if (!m_effectFrame->icon().isNull() && !m_effectFrame->iconSize().isEmpty()) {
|
|
QPoint topLeft(m_effectFrame->geometry().x(),
|
|
m_effectFrame->geometry().center().y() - m_effectFrame->iconSize().height() / 2);
|
|
|
|
if (m_effectFrame->isCrossFade() && m_oldIconTexture) {
|
|
if (shader) {
|
|
const float a = opacity * (1.0 - m_effectFrame->crossFadeProgress());
|
|
shader->setUniform(GLShader::ModulationConstant, QVector4D(a, a, a, a));
|
|
}
|
|
#ifdef KWIN_HAVE_OPENGL_1
|
|
else
|
|
glColor4f(1.0, 1.0, 1.0, opacity * (1.0 - m_effectFrame->crossFadeProgress()));
|
|
#endif
|
|
|
|
m_oldIconTexture->bind();
|
|
m_oldIconTexture->render(region, QRect(topLeft, m_effectFrame->iconSize()));
|
|
m_oldIconTexture->unbind();
|
|
if (shader) {
|
|
const float a = opacity * m_effectFrame->crossFadeProgress();
|
|
shader->setUniform(GLShader::ModulationConstant, QVector4D(a, a, a, a));
|
|
}
|
|
#ifdef KWIN_HAVE_OPENGL_1
|
|
else
|
|
glColor4f(1.0, 1.0, 1.0, opacity * m_effectFrame->crossFadeProgress());
|
|
#endif
|
|
} else {
|
|
if (shader) {
|
|
const QVector4D constant(opacity, opacity, opacity, opacity);
|
|
shader->setUniform(GLShader::ModulationConstant, constant);
|
|
}
|
|
#ifdef KWIN_HAVE_OPENGL_1
|
|
else
|
|
glColor4f(1.0, 1.0, 1.0, opacity);
|
|
#endif
|
|
}
|
|
|
|
if (!m_iconTexture) { // lazy creation
|
|
m_iconTexture = m_scene->createTexture(m_effectFrame->icon());
|
|
}
|
|
m_iconTexture->bind();
|
|
m_iconTexture->render(region, QRect(topLeft, m_effectFrame->iconSize()));
|
|
m_iconTexture->unbind();
|
|
}
|
|
|
|
// Render text
|
|
if (!m_effectFrame->text().isEmpty()) {
|
|
if (m_effectFrame->isCrossFade() && m_oldTextTexture) {
|
|
if (shader) {
|
|
const float a = opacity * (1.0 - m_effectFrame->crossFadeProgress());
|
|
shader->setUniform(GLShader::ModulationConstant, QVector4D(a, a, a, a));
|
|
}
|
|
#ifdef KWIN_HAVE_OPENGL_1
|
|
else
|
|
glColor4f(1.0, 1.0, 1.0, opacity *(1.0 - m_effectFrame->crossFadeProgress()));
|
|
#endif
|
|
|
|
m_oldTextTexture->bind();
|
|
m_oldTextTexture->render(region, m_effectFrame->geometry());
|
|
m_oldTextTexture->unbind();
|
|
if (shader) {
|
|
const float a = opacity * m_effectFrame->crossFadeProgress();
|
|
shader->setUniform(GLShader::ModulationConstant, QVector4D(a, a, a, a));
|
|
}
|
|
#ifdef KWIN_HAVE_OPENGL_1
|
|
else
|
|
glColor4f(1.0, 1.0, 1.0, opacity * m_effectFrame->crossFadeProgress());
|
|
#endif
|
|
} else {
|
|
if (shader) {
|
|
const QVector4D constant(opacity, opacity, opacity, opacity);
|
|
shader->setUniform(GLShader::ModulationConstant, constant);
|
|
}
|
|
#ifdef KWIN_HAVE_OPENGL_1
|
|
else
|
|
glColor4f(1.0, 1.0, 1.0, opacity);
|
|
#endif
|
|
}
|
|
if (!m_textTexture) // Lazy creation
|
|
updateTextTexture();
|
|
m_textTexture->bind();
|
|
m_textTexture->render(region, m_effectFrame->geometry());
|
|
m_textTexture->unbind();
|
|
}
|
|
|
|
if (shader) {
|
|
ShaderManager::instance()->popShader();
|
|
}
|
|
glDisable(GL_BLEND);
|
|
}
|
|
|
|
void SceneOpenGL::EffectFrame::updateTexture()
|
|
{
|
|
delete m_texture;
|
|
m_texture = 0L;
|
|
if (m_effectFrame->style() == EffectFrameStyled) {
|
|
QPixmap pixmap = m_effectFrame->frame().framePixmap();
|
|
m_texture = m_scene->createTexture(pixmap);
|
|
}
|
|
}
|
|
|
|
void SceneOpenGL::EffectFrame::updateTextTexture()
|
|
{
|
|
delete m_textTexture;
|
|
m_textTexture = 0L;
|
|
delete m_textPixmap;
|
|
m_textPixmap = 0L;
|
|
|
|
if (m_effectFrame->text().isEmpty())
|
|
return;
|
|
|
|
// Determine position on texture to paint text
|
|
QRect rect(QPoint(0, 0), m_effectFrame->geometry().size());
|
|
if (!m_effectFrame->icon().isNull() && !m_effectFrame->iconSize().isEmpty())
|
|
rect.setLeft(m_effectFrame->iconSize().width());
|
|
|
|
// If static size elide text as required
|
|
QString text = m_effectFrame->text();
|
|
if (m_effectFrame->isStatic()) {
|
|
QFontMetrics metrics(m_effectFrame->font());
|
|
text = metrics.elidedText(text, Qt::ElideRight, rect.width());
|
|
}
|
|
|
|
m_textPixmap = new QPixmap(m_effectFrame->geometry().size());
|
|
m_textPixmap->fill(Qt::transparent);
|
|
QPainter p(m_textPixmap);
|
|
p.setFont(m_effectFrame->font());
|
|
if (m_effectFrame->style() == EffectFrameStyled)
|
|
p.setPen(m_effectFrame->styledTextColor());
|
|
else // TODO: What about no frame? Custom color setting required
|
|
p.setPen(Qt::white);
|
|
p.drawText(rect, m_effectFrame->alignment(), text);
|
|
p.end();
|
|
m_textTexture = m_scene->createTexture(*m_textPixmap);
|
|
}
|
|
|
|
void SceneOpenGL::EffectFrame::updateUnstyledTexture()
|
|
{
|
|
delete m_unstyledTexture;
|
|
m_unstyledTexture = 0L;
|
|
delete m_unstyledPixmap;
|
|
m_unstyledPixmap = 0L;
|
|
// Based off circle() from kwinxrenderutils.cpp
|
|
#define CS 8
|
|
m_unstyledPixmap = new QPixmap(2 * CS, 2 * CS);
|
|
m_unstyledPixmap->fill(Qt::transparent);
|
|
QPainter p(m_unstyledPixmap);
|
|
p.setRenderHint(QPainter::Antialiasing);
|
|
p.setPen(Qt::NoPen);
|
|
p.setBrush(Qt::black);
|
|
p.drawEllipse(m_unstyledPixmap->rect());
|
|
p.end();
|
|
#undef CS
|
|
m_unstyledTexture = new GLTexture(*m_unstyledPixmap);
|
|
}
|
|
|
|
void SceneOpenGL::EffectFrame::cleanup()
|
|
{
|
|
delete m_unstyledTexture;
|
|
m_unstyledTexture = NULL;
|
|
delete m_unstyledPixmap;
|
|
m_unstyledPixmap = NULL;
|
|
}
|
|
|
|
//****************************************
|
|
// SceneOpenGL::Shadow
|
|
//****************************************
|
|
SceneOpenGLShadow::SceneOpenGLShadow(Toplevel *toplevel)
|
|
: Shadow(toplevel)
|
|
, m_texture(NULL)
|
|
{
|
|
}
|
|
|
|
SceneOpenGLShadow::~SceneOpenGLShadow()
|
|
{
|
|
delete m_texture;
|
|
}
|
|
|
|
void SceneOpenGLShadow::buildQuads()
|
|
{
|
|
// prepare window quads
|
|
m_shadowQuads.clear();
|
|
const QSizeF top(shadowPixmap(ShadowElementTop).size());
|
|
const QSizeF topRight(shadowPixmap(ShadowElementTopRight).size());
|
|
const QSizeF right(shadowPixmap(ShadowElementRight).size());
|
|
const QSizeF bottomRight(shadowPixmap(ShadowElementBottomRight).size());
|
|
const QSizeF bottom(shadowPixmap(ShadowElementBottom).size());
|
|
const QSizeF bottomLeft(shadowPixmap(ShadowElementBottomLeft).size());
|
|
const QSizeF left(shadowPixmap(ShadowElementLeft).size());
|
|
const QSizeF topLeft(shadowPixmap(ShadowElementTopLeft).size());
|
|
if ((left.width() - leftOffset() > topLevel()->width()) ||
|
|
(right.width() - rightOffset() > topLevel()->width()) ||
|
|
(top.height() - topOffset() > topLevel()->height()) ||
|
|
(bottom.height() - bottomOffset() > topLevel()->height())) {
|
|
// if our shadow is bigger than the window, we don't render the shadow
|
|
setShadowRegion(QRegion());
|
|
return;
|
|
}
|
|
|
|
const QRectF outerRect(QPointF(-leftOffset(), -topOffset()),
|
|
QPointF(topLevel()->width() + rightOffset(), topLevel()->height() + bottomOffset()));
|
|
|
|
const qreal width = topLeft.width() + top.width() + topRight.width();
|
|
const qreal height = topLeft.height() + left.height() + bottomLeft.height();
|
|
|
|
qreal tx1(0.0), tx2(0.0), ty1(0.0), ty2(0.0);
|
|
|
|
tx2 = topLeft.width()/width;
|
|
ty2 = topLeft.height()/height;
|
|
WindowQuad topLeftQuad(WindowQuadShadowTopLeft);
|
|
topLeftQuad[ 0 ] = WindowVertex(outerRect.x(), outerRect.y(), tx1, ty1);
|
|
topLeftQuad[ 1 ] = WindowVertex(outerRect.x() + topLeft.width(), outerRect.y(), tx2, ty1);
|
|
topLeftQuad[ 2 ] = WindowVertex(outerRect.x() + topLeft.width(), outerRect.y() + topLeft.height(), tx2, ty2);
|
|
topLeftQuad[ 3 ] = WindowVertex(outerRect.x(), outerRect.y() + topLeft.height(), tx1, ty2);
|
|
m_shadowQuads.append(topLeftQuad);
|
|
|
|
tx1 = tx2;
|
|
tx2 = (topLeft.width() + top.width())/width;
|
|
ty2 = top.height()/height;
|
|
WindowQuad topQuad(WindowQuadShadowTop);
|
|
topQuad[ 0 ] = WindowVertex(outerRect.x() + topLeft.width(), outerRect.y(), tx1, ty1);
|
|
topQuad[ 1 ] = WindowVertex(outerRect.right() - topRight.width(), outerRect.y(), tx2, ty1);
|
|
topQuad[ 2 ] = WindowVertex(outerRect.right() - topRight.width(), outerRect.y() + top.height(),tx2, ty2);
|
|
topQuad[ 3 ] = WindowVertex(outerRect.x() + topLeft.width(), outerRect.y() + top.height(), tx1, ty2);
|
|
m_shadowQuads.append(topQuad);
|
|
|
|
tx1 = tx2;
|
|
tx2 = 1.0;
|
|
ty2 = topRight.height()/height;
|
|
WindowQuad topRightQuad(WindowQuadShadowTopRight);
|
|
topRightQuad[ 0 ] = WindowVertex(outerRect.right() - topRight.width(), outerRect.y(), tx1, ty1);
|
|
topRightQuad[ 1 ] = WindowVertex(outerRect.right(), outerRect.y(), tx2, ty1);
|
|
topRightQuad[ 2 ] = WindowVertex(outerRect.right(), outerRect.y() + topRight.height(), tx2, ty2);
|
|
topRightQuad[ 3 ] = WindowVertex(outerRect.right() - topRight.width(), outerRect.y() + topRight.height(), tx1, ty2);
|
|
m_shadowQuads.append(topRightQuad);
|
|
|
|
tx1 = (width - right.width())/width;
|
|
ty1 = topRight.height()/height;
|
|
ty2 = (topRight.height() + right.height())/height;
|
|
WindowQuad rightQuad(WindowQuadShadowRight);
|
|
rightQuad[ 0 ] = WindowVertex(outerRect.right() - right.width(), outerRect.y() + topRight.height(), tx1, ty1);
|
|
rightQuad[ 1 ] = WindowVertex(outerRect.right(), outerRect.y() + topRight.height(), tx2, ty1);
|
|
rightQuad[ 2 ] = WindowVertex(outerRect.right(), outerRect.bottom() - bottomRight.height(), tx2, ty2);
|
|
rightQuad[ 3 ] = WindowVertex(outerRect.right() - right.width(), outerRect.bottom() - bottomRight.height(), tx1, ty2);
|
|
m_shadowQuads.append(rightQuad);
|
|
|
|
tx1 = (width - bottomRight.width())/width;
|
|
ty1 = ty2;
|
|
ty2 = 1.0;
|
|
WindowQuad bottomRightQuad(WindowQuadShadowBottomRight);
|
|
bottomRightQuad[ 0 ] = WindowVertex(outerRect.right() - bottomRight.width(), outerRect.bottom() - bottomRight.height(), tx1, ty1);
|
|
bottomRightQuad[ 1 ] = WindowVertex(outerRect.right(), outerRect.bottom() - bottomRight.height(), tx2, ty1);
|
|
bottomRightQuad[ 2 ] = WindowVertex(outerRect.right(), outerRect.bottom(), tx2, ty2);
|
|
bottomRightQuad[ 3 ] = WindowVertex(outerRect.right() - bottomRight.width(), outerRect.bottom(), tx1, ty2);
|
|
m_shadowQuads.append(bottomRightQuad);
|
|
|
|
tx2 = tx1;
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tx1 = bottomLeft.width()/width;
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ty1 = (height - bottom.height())/height;
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|
WindowQuad bottomQuad(WindowQuadShadowBottom);
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|
bottomQuad[ 0 ] = WindowVertex(outerRect.x() + bottomLeft.width(), outerRect.bottom() - bottom.height(), tx1, ty1);
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bottomQuad[ 1 ] = WindowVertex(outerRect.right() - bottomRight.width(), outerRect.bottom() - bottom.height(), tx2, ty1);
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bottomQuad[ 2 ] = WindowVertex(outerRect.right() - bottomRight.width(), outerRect.bottom(), tx2, ty2);
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bottomQuad[ 3 ] = WindowVertex(outerRect.x() + bottomLeft.width(), outerRect.bottom(), tx1, ty2);
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|
m_shadowQuads.append(bottomQuad);
|
|
|
|
tx1 = 0.0;
|
|
tx2 = bottomLeft.width()/width;
|
|
ty1 = (height - bottomLeft.height())/height;
|
|
WindowQuad bottomLeftQuad(WindowQuadShadowBottomLeft);
|
|
bottomLeftQuad[ 0 ] = WindowVertex(outerRect.x(), outerRect.bottom() - bottomLeft.height(), tx1, ty1);
|
|
bottomLeftQuad[ 1 ] = WindowVertex(outerRect.x() + bottomLeft.width(), outerRect.bottom() - bottomLeft.height(), tx2, ty1);
|
|
bottomLeftQuad[ 2 ] = WindowVertex(outerRect.x() + bottomLeft.width(), outerRect.bottom(), tx2, ty2);
|
|
bottomLeftQuad[ 3 ] = WindowVertex(outerRect.x(), outerRect.bottom(), tx1, ty2);
|
|
m_shadowQuads.append(bottomLeftQuad);
|
|
|
|
tx2 = left.width()/width;
|
|
ty2 = ty1;
|
|
ty1 = topLeft.height()/height;
|
|
WindowQuad leftQuad(WindowQuadShadowLeft);
|
|
leftQuad[ 0 ] = WindowVertex(outerRect.x(), outerRect.y() + topLeft.height(), tx1, ty1);
|
|
leftQuad[ 1 ] = WindowVertex(outerRect.x() + left.width(), outerRect.y() + topLeft.height(), tx2, ty1);
|
|
leftQuad[ 2 ] = WindowVertex(outerRect.x() + left.width(), outerRect.bottom() - bottomLeft.height(), tx2, ty2);
|
|
leftQuad[ 3 ] = WindowVertex(outerRect.x(), outerRect.bottom() - bottomLeft.height(), tx1, ty2);
|
|
m_shadowQuads.append(leftQuad);
|
|
}
|
|
|
|
bool SceneOpenGLShadow::prepareBackend()
|
|
{
|
|
const QSize top(shadowPixmap(ShadowElementTop).size());
|
|
const QSize topRight(shadowPixmap(ShadowElementTopRight).size());
|
|
const QSize right(shadowPixmap(ShadowElementRight).size());
|
|
const QSize bottomRight(shadowPixmap(ShadowElementBottomRight).size());
|
|
const QSize bottom(shadowPixmap(ShadowElementBottom).size());
|
|
const QSize bottomLeft(shadowPixmap(ShadowElementBottomLeft).size());
|
|
const QSize left(shadowPixmap(ShadowElementLeft).size());
|
|
const QSize topLeft(shadowPixmap(ShadowElementTopLeft).size());
|
|
|
|
const int width = topLeft.width() + top.width() + topRight.width();
|
|
const int height = topLeft.height() + left.height() + bottomLeft.height();
|
|
|
|
QImage image(width, height, QImage::Format_ARGB32);
|
|
image.fill(Qt::transparent);
|
|
QPainter p;
|
|
p.begin(&image);
|
|
p.drawPixmap(0, 0, shadowPixmap(ShadowElementTopLeft));
|
|
p.drawPixmap(topLeft.width(), 0, shadowPixmap(ShadowElementTop));
|
|
p.drawPixmap(topLeft.width() + top.width(), 0, shadowPixmap(ShadowElementTopRight));
|
|
p.drawPixmap(0, topLeft.height(), shadowPixmap(ShadowElementLeft));
|
|
p.drawPixmap(width - right.width(), topRight.height(), shadowPixmap(ShadowElementRight));
|
|
p.drawPixmap(0, topLeft.height() + left.height(), shadowPixmap(ShadowElementBottomLeft));
|
|
p.drawPixmap(bottomLeft.width(), height - bottom.height(), shadowPixmap(ShadowElementBottom));
|
|
p.drawPixmap(bottomLeft.width() + bottom.width(), topRight.height() + right.height(), shadowPixmap(ShadowElementBottomRight));
|
|
p.end();
|
|
|
|
delete m_texture;
|
|
m_texture = new GLTexture(image);
|
|
|
|
return true;
|
|
}
|
|
|
|
SwapProfiler::SwapProfiler()
|
|
{
|
|
init();
|
|
}
|
|
|
|
void SwapProfiler::init()
|
|
{
|
|
m_time = 2 * 1000*1000; // we start with a long time mean of 2ms ...
|
|
m_counter = 0;
|
|
}
|
|
|
|
void SwapProfiler::begin()
|
|
{
|
|
m_timer.start();
|
|
}
|
|
|
|
char SwapProfiler::end()
|
|
{
|
|
// .. and blend in actual values.
|
|
// this way we prevent extremes from killing our long time mean
|
|
m_time = (10*m_time + m_timer.nsecsElapsed())/11;
|
|
if (++m_counter > 500) {
|
|
const bool blocks = m_time > 1000 * 1000; // 1ms, i get ~250µs and ~7ms w/o triple buffering...
|
|
kDebug(1212) << "Triple buffering detection:" << QString(blocks ? "NOT available" : "Available") <<
|
|
" - Mean block time:" << m_time/(1000.0*1000.0) << "ms";
|
|
return blocks ? 'd' : 't';
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
} // namespace
|