diff options
Diffstat (limited to 'src/plugins/platforms/eglfs/qeglfsscreen.cpp')
| -rw-r--r-- | src/plugins/platforms/eglfs/qeglfsscreen.cpp | 244 |
1 files changed, 244 insertions, 0 deletions
diff --git a/src/plugins/platforms/eglfs/qeglfsscreen.cpp b/src/plugins/platforms/eglfs/qeglfsscreen.cpp new file mode 100644 index 0000000000..b6f2805ee0 --- /dev/null +++ b/src/plugins/platforms/eglfs/qeglfsscreen.cpp @@ -0,0 +1,244 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the plugins of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qeglfsscreen.h" + +#include "../eglconvenience/qeglconvenience.h" +#include "../eglconvenience/qeglplatformcontext.h" + +#ifdef Q_OPENKODE +#include <KD/kd.h> +#include <KD/NV_initialize.h> +#endif //Q_OPENKODE + +QT_BEGIN_NAMESPACE + +// #define QEGL_EXTRA_DEBUG + +#ifdef QEGL_EXTRA_DEBUG +struct AttrInfo { EGLint attr; const char *name; }; +static struct AttrInfo attrs[] = { + {EGL_BUFFER_SIZE, "EGL_BUFFER_SIZE"}, + {EGL_ALPHA_SIZE, "EGL_ALPHA_SIZE"}, + {EGL_BLUE_SIZE, "EGL_BLUE_SIZE"}, + {EGL_GREEN_SIZE, "EGL_GREEN_SIZE"}, + {EGL_RED_SIZE, "EGL_RED_SIZE"}, + {EGL_DEPTH_SIZE, "EGL_DEPTH_SIZE"}, + {EGL_STENCIL_SIZE, "EGL_STENCIL_SIZE"}, + {EGL_CONFIG_CAVEAT, "EGL_CONFIG_CAVEAT"}, + {EGL_CONFIG_ID, "EGL_CONFIG_ID"}, + {EGL_LEVEL, "EGL_LEVEL"}, + {EGL_MAX_PBUFFER_HEIGHT, "EGL_MAX_PBUFFER_HEIGHT"}, + {EGL_MAX_PBUFFER_PIXELS, "EGL_MAX_PBUFFER_PIXELS"}, + {EGL_MAX_PBUFFER_WIDTH, "EGL_MAX_PBUFFER_WIDTH"}, + {EGL_NATIVE_RENDERABLE, "EGL_NATIVE_RENDERABLE"}, + {EGL_NATIVE_VISUAL_ID, "EGL_NATIVE_VISUAL_ID"}, + {EGL_NATIVE_VISUAL_TYPE, "EGL_NATIVE_VISUAL_TYPE"}, + {EGL_SAMPLES, "EGL_SAMPLES"}, + {EGL_SAMPLE_BUFFERS, "EGL_SAMPLE_BUFFERS"}, + {EGL_SURFACE_TYPE, "EGL_SURFACE_TYPE"}, + {EGL_TRANSPARENT_TYPE, "EGL_TRANSPARENT_TYPE"}, + {EGL_TRANSPARENT_BLUE_VALUE, "EGL_TRANSPARENT_BLUE_VALUE"}, + {EGL_TRANSPARENT_GREEN_VALUE, "EGL_TRANSPARENT_GREEN_VALUE"}, + {EGL_TRANSPARENT_RED_VALUE, "EGL_TRANSPARENT_RED_VALUE"}, + {EGL_BIND_TO_TEXTURE_RGB, "EGL_BIND_TO_TEXTURE_RGB"}, + {EGL_BIND_TO_TEXTURE_RGBA, "EGL_BIND_TO_TEXTURE_RGBA"}, + {EGL_MIN_SWAP_INTERVAL, "EGL_MIN_SWAP_INTERVAL"}, + {EGL_MAX_SWAP_INTERVAL, "EGL_MAX_SWAP_INTERVAL"}, + {-1, 0}}; +#endif //QEGL_EXTRA_DEBUG + +QEglFSScreen::QEglFSScreen(EGLNativeDisplayType display) + : m_depth(32) + , m_format(QImage::Format_Invalid) + , m_platformContext(0) + , m_surface(0) +{ +#ifdef QEGL_EXTRA_DEBUG + qWarning("QEglScreen %p\n", this); +#endif + + EGLint major, minor; +#ifdef QEGL_EXTRA_DEBUG + EGLint index; +#endif + if (!eglBindAPI(EGL_OPENGL_ES_API)) { + qWarning("Could not bind GL_ES API\n"); + qFatal("EGL error"); + } + + m_dpy = eglGetDisplay(display); + if (m_dpy == EGL_NO_DISPLAY) { + qWarning("Could not open egl display\n"); + qFatal("EGL error"); + } + qWarning("Opened display %p\n", m_dpy); + + if (!eglInitialize(m_dpy, &major, &minor)) { + qWarning("Could not initialize egl display\n"); + qFatal("EGL error"); + } + + qWarning("Initialized display %d %d\n", major, minor); + + int swapInterval = 1; + QByteArray swapIntervalString = qgetenv("QT_QPA_EGLFS_SWAPINTERVAL"); + if (!swapIntervalString.isEmpty()) { + bool ok; + swapInterval = swapIntervalString.toInt(&ok); + if (!ok) + swapInterval = 1; + } + eglSwapInterval(m_dpy, swapInterval); +} + +void QEglFSScreen::createAndSetPlatformContext() const { + const_cast<QEglFSScreen *>(this)->createAndSetPlatformContext(); +} + +void QEglFSScreen::createAndSetPlatformContext() +{ + QPlatformWindowFormat platformFormat = QPlatformWindowFormat::defaultFormat(); + + platformFormat.setWindowApi(QPlatformWindowFormat::OpenGL); + + QByteArray depthString = qgetenv("QT_QPA_EGLFS_DEPTH"); + if (depthString.toInt() == 16) { + platformFormat.setDepth(16); + platformFormat.setRedBufferSize(5); + platformFormat.setGreenBufferSize(6); + platformFormat.setBlueBufferSize(5); + m_depth = 16; + m_format = QImage::Format_RGB16; + } else { + platformFormat.setDepth(32); + platformFormat.setRedBufferSize(8); + platformFormat.setGreenBufferSize(8); + platformFormat.setBlueBufferSize(8); + m_depth = 32; + m_format = QImage::Format_RGB32; + } + if (!qgetenv("QT_QPA_EGLFS_MULTISAMPLE").isEmpty()) { + platformFormat.setSampleBuffers(true); + } + + + EGLConfig config = q_configFromQPlatformWindowFormat(m_dpy, platformFormat); + + EGLNativeWindowType eglWindow = 0; +#ifdef Q_OPENKODE + if (kdInitializeNV() == KD_ENOTINITIALIZED) { + qFatal("Did not manage to initialize openkode"); + } + KDWindow *window = kdCreateWindow(m_dpy,config,0); + + kdRealizeWindow(window,&eglWindow); +#endif + + m_surface = eglCreateWindowSurface(m_dpy, config, eglWindow, NULL); + if (m_surface == EGL_NO_SURFACE) { + qWarning("Could not create the egl surface: error = 0x%x\n", eglGetError()); + eglTerminate(m_dpy); + qFatal("EGL error"); + } + // qWarning("Created surface %dx%d\n", w, h); + +#ifdef QEGL_EXTRA_DEBUG + qWarning("Configuration %d matches requirements\n", (int)config); + + for (index = 0; attrs[index].attr != -1; ++index) { + EGLint value; + if (eglGetConfigAttrib(m_dpy, config, attrs[index].attr, &value)) { + qWarning("\t%s: %d\n", attrs[index].name, (int)value); + } + } + qWarning("\n"); +#endif + + EGLint temp; + EGLint attribList[32]; + + temp = 0; + + attribList[temp++] = EGL_CONTEXT_CLIENT_VERSION; + attribList[temp++] = 2; // GLES version 2 + attribList[temp++] = EGL_NONE; + + QEGLPlatformContext *platformContext = new QEGLPlatformContext(m_dpy,config,attribList,m_surface,EGL_OPENGL_ES_API); + m_platformContext = platformContext; + + EGLint w,h; // screen size detection + eglQuerySurface(m_dpy, m_surface, EGL_WIDTH, &w); + eglQuerySurface(m_dpy, m_surface, EGL_HEIGHT, &h); + + m_geometry = QRect(0,0,w,h); + +} + +QRect QEglFSScreen::geometry() const +{ + if (m_geometry.isNull()) { + createAndSetPlatformContext(); + } + return m_geometry; +} + +int QEglFSScreen::depth() const +{ + return m_depth; +} + +QImage::Format QEglFSScreen::format() const +{ + if (m_format == QImage::Format_Invalid) + createAndSetPlatformContext(); + return m_format; +} +QPlatformGLContext *QEglFSScreen::platformContext() const +{ + if (!m_platformContext) { + QEglFSScreen *that = const_cast<QEglFSScreen *>(this); + that->createAndSetPlatformContext(); + } + return m_platformContext; +} + +QT_END_NAMESPACE |