diff options
Diffstat (limited to 'src/plugins/platforms/openkode/qgraphicssystem_openkode.cpp')
| -rw-r--r-- | src/plugins/platforms/openkode/qgraphicssystem_openkode.cpp | 236 |
1 files changed, 236 insertions, 0 deletions
diff --git a/src/plugins/platforms/openkode/qgraphicssystem_openkode.cpp b/src/plugins/platforms/openkode/qgraphicssystem_openkode.cpp new file mode 100644 index 0000000..7a07776 --- /dev/null +++ b/src/plugins/platforms/openkode/qgraphicssystem_openkode.cpp @@ -0,0 +1,236 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the plugins of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at http://www.qtsoftware.com/contact. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qgraphicssystem_openkode.h" +#include "qwindowsurface_openkode.h" +#include <QtGui/private/qpixmap_raster_p.h> + +#include <QtCore/qdebug.h> +#include <QtCore/qthread.h> + +#include <KD/kd.h> +#include <KD/NV_display.h> +#include <KD/NV_initialize.h> + +#include "GLES2/gl2ext.h" + + +QT_BEGIN_NAMESPACE + +QOpenKODEGraphicsSystemScreen::QOpenKODEGraphicsSystemScreen() +{ + KDDesktopNV *kdDesktop = KD_NULL; + KDDisplayNV *kdDisplay = KD_NULL; + + qDebug() << "QOpenKODEGraphicsSystemScreen::QOpenKODEGraphicsSystemScreen()"; + + // Get the default desktop and display + kdDesktop = kdGetDesktopNV(KD_DEFAULT_DESKTOP_NV, KD_NULL); + if (!kdDesktop || kdDesktop == (void*)-1) { + qErrnoWarning(kdGetError(), "Could not obtain KDDesktopNV pointer"); + return; + } + + kdDisplay = kdGetDisplayNV(KD_DEFAULT_DISPLAY_NV, KD_NULL); + if (!kdDisplay || kdDisplay == (void*)-1) { + qErrnoWarning(kdGetError(), "Could not obtain KDDisplayNV pointer"); + kdReleaseDesktopNV(kdDesktop); + return; + } + + KDDisplayModeNV mode; + if (kdGetDisplayModeNV(kdDisplay, &mode)) { + qErrnoWarning(kdGetError(), "Could not get display mode"); + return; + } + + qDebug() << " - display mode " << mode.width << "x" << mode.height << " refresh " << mode.refresh; + + KDint desktopSize[] = { mode.width, mode.height }; + + if (kdSetDesktopPropertyivNV(kdDesktop, KD_DESKTOPPROPERTY_SIZE_NV, desktopSize)) { + qErrnoWarning(kdGetError(), "Could not set desktop size"); + return; + } + + // Once we've set up the desktop and display we don't need them anymore + kdReleaseDisplayNV(kdDisplay); + kdReleaseDesktopNV(kdDesktop); + + const int defaultDpi = 72; + mGeometry = QRect(0, 0, mode.width, mode.height); + mPhysicalSize = QSize(mode.width * 25.4 / defaultDpi, mode.height * 25.4 / defaultDpi); + + mDepth = 24; + mFormat = QImage::Format_RGB888; + + + QEglProperties properties; + properties.setPixelFormat(QImage::Format_RGB888); + properties.setValue(EGL_BUFFER_SIZE, EGL_DONT_CARE); + properties.setRenderableType(QEgl::OpenGL); + + if (!mContext.chooseConfig(properties, QEgl::BestPixelFormat)) { + qWarning("qEglContext: Unable to choose config!"); + return; + } + + if (!mContext.display()) { + qWarning("qEglContext: Unable to open display!"); + return; + } + + qDebug() << " - QEglContext::openDisplay OK"; +} + +static GLuint NvKdTestLoadShaders(const char *vertex_shader_binary, + const char *fragment_shader_binary, + GLuint vertex_shader_binary_size, + GLuint fragment_shader_binary_size) +{ + GLuint prog; + GLuint vertShader; + GLuint fragShader; + + // Create the program + prog = glCreateProgram(); + + // Create the GL shader objects + vertShader = glCreateShader(GL_VERTEX_SHADER); + fragShader = glCreateShader(GL_FRAGMENT_SHADER); + + // Load the binary data into the shader objects + glShaderBinary(1, &vertShader, + GL_NVIDIA_PLATFORM_BINARY_NV, vertex_shader_binary, vertex_shader_binary_size); + glShaderBinary(1, &fragShader, + GL_NVIDIA_PLATFORM_BINARY_NV, fragment_shader_binary, fragment_shader_binary_size); + + // Attach the shaders to the program + glAttachShader(prog, vertShader); + glAttachShader(prog, fragShader); + + // Delete the shaders + glDeleteShader(vertShader); + glDeleteShader(fragShader); + + // Link and validate the shader program + glLinkProgram(prog); + glValidateProgram(prog); + + return prog; +} + +class QOpenKODEEventLoopHelper : public QThread +{ +public: + QOpenKODEEventLoopHelper(QSemaphore *m) + : eventMutex(m) + { + m->acquire(); + } + +protected: + void run() + { + qDebug() << "initializing KD"; + kdInitializeNV(); + qDebug() << "done initializing KD"; + eventMutex->release(); + + const KDEvent *event; + while ((event = kdWaitEvent(-1)) != 0) { + qDebug() << "!!! received event!"; + kdDefaultEvent(event); + } + + qDebug() << "exiting event loop"; + } + +private: + QSemaphore *eventMutex; +}; + +QOpenKODEGraphicsSystem::QOpenKODEGraphicsSystem() + : eventMutex(1) +{ + QOpenKODEEventLoopHelper *loop = new QOpenKODEEventLoopHelper(&eventMutex); + loop->start(); + eventMutex.acquire(); // block until initialization done + + mPrimaryScreen = new QOpenKODEGraphicsSystemScreen(); + + mScreens.append(mPrimaryScreen); + +} + +QPixmapData *QOpenKODEGraphicsSystem::createPixmapData(QPixmapData::PixelType type) const +{ + return new QRasterPixmapData(type); +} + +QWindowSurface *QOpenKODEGraphicsSystem::createWindowSurface(QWidget *widget) const +{ + return new QOpenKODEWindowSurface(mPrimaryScreen, widget); +} + +GLuint QOpenKODEGraphicsSystem::blitterProgram() +{ + static GLuint shaderProgram = 0; + if (!shaderProgram) { + + const char vertShaderBinary[] = { +# include "vert.h" + }; + const char fragShaderBinary[] = { +# include "frag.h" + }; + + shaderProgram = NvKdTestLoadShaders(vertShaderBinary, fragShaderBinary, + sizeof(vertShaderBinary), sizeof(fragShaderBinary)); + + if (!shaderProgram) + qFatal("QOpenKodeGraphicsSystem(): Cannot load shaders!"); + } + return shaderProgram; +} + + +QT_END_NAMESPACE |