diff options
Diffstat (limited to 'src/plugins/platforms/eglfs/qeglfscompositor.cpp')
| -rw-r--r-- | src/plugins/platforms/eglfs/qeglfscompositor.cpp | 203 |
1 files changed, 0 insertions, 203 deletions
diff --git a/src/plugins/platforms/eglfs/qeglfscompositor.cpp b/src/plugins/platforms/eglfs/qeglfscompositor.cpp deleted file mode 100644 index 845bb5b3b5..0000000000 --- a/src/plugins/platforms/eglfs/qeglfscompositor.cpp +++ /dev/null @@ -1,203 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). -** Contact: http://www.qt-project.org/legal -** -** This file is part of the plugins of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and Digia. For licensing terms and -** conditions see http://qt.digia.com/licensing. For further information -** use the contact form at http://qt.digia.com/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 2.1 requirements -** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Digia gives you certain additional -** rights. These rights are described in the Digia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 3.0 as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU General Public License version 3.0 requirements will be -** met: http://www.gnu.org/copyleft/gpl.html. -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qeglfscompositor.h" -#include "qeglfswindow.h" -#include "qeglfscontext.h" - -#include <QtGui/QOpenGLContext> -#include <QtGui/QOpenGLShaderProgram> -#include <QtGui/QOpenGLFramebufferObject> - -QT_BEGIN_NAMESPACE - -static QEglFSCompositor *compositor = 0; - -QEglFSCompositor::QEglFSCompositor() - : m_screen(0), - m_program(0), - m_initialized(false) -{ - Q_ASSERT(!compositor); - m_updateTimer.setSingleShot(true); - m_updateTimer.setInterval(0); - connect(&m_updateTimer, SIGNAL(timeout()), SLOT(renderAll())); -} - -QEglFSCompositor::~QEglFSCompositor() -{ - Q_ASSERT(compositor == this); - delete m_program; - compositor = 0; -} - -void QEglFSCompositor::schedule(QEglFSScreen *screen) -{ - m_screen = screen; - if (!m_updateTimer.isActive()) - m_updateTimer.start(); -} - -void QEglFSCompositor::renderAll() -{ - QEglFSWindow *rootWin = m_screen->rootWindow(); - if (!rootWin) - return; - - Q_ASSERT(rootWin->hasNativeWindow()); - QOpenGLContext *context = m_screen->rootContext(); - Q_ASSERT(context); - - context->makeCurrent(rootWin->window()); - if (!m_initialized) { - initializeOpenGLFunctions(); - m_initialized = true; - } - ensureProgram(); - m_program->bind(); - - QList<QEglFSWindow *> windows = m_screen->windows(); - for (int i = 0; i < windows.size(); ++i) { - QEglFSWindow *window = windows.at(i); - uint texture = window->texture(); - if (texture) - render(window, texture, window->isRaster()); - } - - m_program->release(); - context->swapBuffers(rootWin->window()); -} - -void QEglFSCompositor::ensureProgram() -{ - if (!m_program) { - static const char *textureVertexProgram = - "attribute highp vec2 vertexCoordEntry;\n" - "attribute highp vec2 textureCoordEntry;\n" - "varying highp vec2 textureCoord;\n" - "void main() {\n" - " textureCoord = textureCoordEntry;\n" - " gl_Position = vec4(vertexCoordEntry, 0.0, 1.0);\n" - "}\n"; - - static const char *textureFragmentProgram = - "uniform sampler2D texture;\n" - "varying highp vec2 textureCoord;\n" - "uniform bool isRaster;\n" - "void main() {\n" - " lowp vec4 c = texture2D(texture, textureCoord);\n" - " gl_FragColor = isRaster ? c.bgra : c.rgba;\n" - "}\n"; - - m_program = new QOpenGLShaderProgram; - - m_program->addShaderFromSourceCode(QOpenGLShader::Vertex, textureVertexProgram); - m_program->addShaderFromSourceCode(QOpenGLShader::Fragment, textureFragmentProgram); - m_program->link(); - - m_vertexCoordEntry = m_program->attributeLocation("vertexCoordEntry"); - m_textureCoordEntry = m_program->attributeLocation("textureCoordEntry"); - m_isRasterEntry = m_program->uniformLocation("isRaster"); - } -} - -void QEglFSCompositor::render(QEglFSWindow *window, uint texture, bool raster) -{ - const GLfloat textureCoordinates[] = { - 0, 0, - 1, 0, - 1, 1, - 0, 1 - }; - - QRectF sr = window->screen()->geometry(); - QRect r = window->window()->geometry(); - QPoint tl = r.topLeft(); - QPoint br = r.bottomRight(); - - GLfloat x1 = (tl.x() / sr.width()) * 2 - 1; - GLfloat x2 = (br.x() / sr.width()) * 2 - 1; - GLfloat y1 = ((sr.height() - tl.y()) / sr.height()) * 2 - 1; - GLfloat y2 = ((sr.height() - br.y()) / sr.height()) * 2 - 1; - - if (!raster) - qSwap(y1, y2); - - const GLfloat vertexCoordinates[] = { - x1, y1, - x2, y1, - x2, y2, - x1, y2 - }; - - glViewport(0, 0, sr.width(), sr.height()); - - glEnableVertexAttribArray(m_vertexCoordEntry); - glEnableVertexAttribArray(m_textureCoordEntry); - - glVertexAttribPointer(m_vertexCoordEntry, 2, GL_FLOAT, GL_FALSE, 0, vertexCoordinates); - glVertexAttribPointer(m_textureCoordEntry, 2, GL_FLOAT, GL_FALSE, 0, textureCoordinates); - - glBindTexture(GL_TEXTURE_2D, texture); - - m_program->setUniformValue(m_isRasterEntry, raster); - - glDrawArrays(GL_TRIANGLE_FAN, 0, 4); - - glBindTexture(GL_TEXTURE_2D, 0); - glDisableVertexAttribArray(m_vertexCoordEntry); - glDisableVertexAttribArray(m_textureCoordEntry); -} - -QEglFSCompositor *QEglFSCompositor::instance() -{ - if (!compositor) - compositor = new QEglFSCompositor; - return compositor; -} - -void QEglFSCompositor::destroy() -{ - delete compositor; - compositor = 0; -} - -QT_END_NAMESPACE |