diff options
Diffstat (limited to 'src/plugins/scenegraph/openvg/qopenvgcontext.cpp')
| -rw-r--r-- | src/plugins/scenegraph/openvg/qopenvgcontext.cpp | 218 |
1 files changed, 218 insertions, 0 deletions
diff --git a/src/plugins/scenegraph/openvg/qopenvgcontext.cpp b/src/plugins/scenegraph/openvg/qopenvgcontext.cpp new file mode 100644 index 0000000000..ea2c24afdb --- /dev/null +++ b/src/plugins/scenegraph/openvg/qopenvgcontext.cpp @@ -0,0 +1,218 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the QtQuick module 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 The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/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 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <qpa/qplatformnativeinterface.h> +#include <QtGui/QGuiApplication> +#include <QtCore/QVector> +#include <QtCore/QDebug> + +#include "qopenvgcontext_p.h" + +QT_BEGIN_NAMESPACE + +QOpenVGContext::QOpenVGContext(QWindow *window) + : m_window(window) +{ + QPlatformNativeInterface *nativeInterface = QGuiApplication::platformNativeInterface(); + m_display = reinterpret_cast<EGLDisplay>(nativeInterface->nativeResourceForWindow("EglDisplay", window)); + m_surface = reinterpret_cast<EGLSurface>(nativeInterface->nativeResourceForWindow("EglSurface", window)); + + if (m_display == 0) + qFatal("QOpenVGContext: failed to get EGLDisplay"); + if (m_surface == 0) + qFatal("QOpenVGContext: failed to get EGLSurface"); + + EGLint configID = 0; + if (eglQuerySurface(m_display, m_surface, EGL_CONFIG_ID, &configID)) { + EGLint numConfigs; + const EGLint configAttribs[] = { + EGL_CONFIG_ID, configID, + EGL_NONE + }; + eglChooseConfig(m_display, configAttribs, &m_config, 1, &numConfigs); + } else { + qFatal("QOpenVGContext: failed to get surface config"); + } + + // Create an EGL Context + eglBindAPI(EGL_OPENVG_API); + m_context = eglCreateContext(m_display, m_config, EGL_NO_CONTEXT, 0); + if (!m_context) + qFatal("QOpenVGContext: eglCreateContext failed"); +} + +QOpenVGContext::~QOpenVGContext() +{ + doneCurrent(); + eglDestroyContext(m_display, m_context); +} + +void QOpenVGContext::makeCurrent() +{ + makeCurrent(m_surface); +} + +void QOpenVGContext::makeCurrent(EGLSurface surface) +{ + eglMakeCurrent(m_display, surface, surface, m_context); +} + +void QOpenVGContext::doneCurrent() +{ + eglMakeCurrent(m_display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT); +} + +void QOpenVGContext::swapBuffers() +{ + swapBuffers(m_surface); +} + +void QOpenVGContext::swapBuffers(EGLSurface surface) +{ + eglSwapBuffers(m_display, surface); +} + +QWindow *QOpenVGContext::window() const +{ + return m_window; +} + +QImage QOpenVGContext::readFramebuffer(const QSize &size) +{ + QImage framebufferImage(size, QImage::Format_RGB32); + vgReadPixels(framebufferImage.bits(), framebufferImage.bytesPerLine(), VG_sXRGB_8888, 0, 0, size.width(), size.height()); + return framebufferImage.mirrored(false, true); +} + +void QOpenVGContext::getConfigs() +{ + EGLint configsAvailable = 0; + eglGetConfigs(m_display, 0, 0, &configsAvailable); + + QVector<EGLConfig> configs(configsAvailable); + eglGetConfigs(m_display, configs.data(), configs.size(), &configsAvailable); + + for (EGLConfig config : configs) { + EGLint value; + eglGetConfigAttrib(m_display, config, EGL_CONFIG_ID, &value); + qDebug() << "#################\n" << "EGL_CONFIG_ID:" << value; + eglGetConfigAttrib(m_display, config, EGL_BUFFER_SIZE, &value); + qDebug() << "EGL_BUFFER_SIZE:" << value; + eglGetConfigAttrib(m_display, config, EGL_ALPHA_SIZE, &value); + qDebug() << "EGL_ALPHA_SIZE:" << value; + eglGetConfigAttrib(m_display, config, EGL_RED_SIZE, &value); + qDebug() << "EGL_RED_SIZE:" << value; + eglGetConfigAttrib(m_display, config, EGL_GREEN_SIZE, &value); + qDebug() << "EGL_GREEN_SIZE:" << value; + eglGetConfigAttrib(m_display, config, EGL_BLUE_SIZE, &value); + qDebug() << "EGL_BLUE_SIZE:" << value; + eglGetConfigAttrib(m_display, config, EGL_DEPTH_SIZE, &value); + qDebug() << "EGL_DEPTH_SIZE:" << value; + eglGetConfigAttrib(m_display, config, EGL_STENCIL_SIZE, &value); + qDebug() << "EGL_STENCIL_SIZE:" << value; + + eglGetConfigAttrib(m_display, config, EGL_ALPHA_MASK_SIZE, &value); + qDebug() << "EGL_ALPHA_MASK_SIZE:" << value; + eglGetConfigAttrib(m_display, config, EGL_BIND_TO_TEXTURE_RGB, &value); + qDebug() << "EGL_BIND_TO_TEXTURE_RGB:" << value; + eglGetConfigAttrib(m_display, config, EGL_BIND_TO_TEXTURE_RGBA, &value); + qDebug() << "EGL_BIND_TO_TEXTURE_RGBA:" << value; + + + eglGetConfigAttrib(m_display, config, EGL_COLOR_BUFFER_TYPE, &value); + qDebug() << "EGL_COLOR_BUFFER_TYPE:" << value; + eglGetConfigAttrib(m_display, config, EGL_CONFIG_CAVEAT, &value); + qDebug() << "EGL_CONFIG_CAVEAT:" << value; + eglGetConfigAttrib(m_display, config, EGL_CONFORMANT, &value); + qDebug() << "EGL_CONFORMANT:" << value; + + + eglGetConfigAttrib(m_display, config, EGL_LEVEL, &value); + qDebug() << "EGL_LEVEL:" << value; + eglGetConfigAttrib(m_display, config, EGL_LUMINANCE_SIZE, &value); + qDebug() << "EGL_LUMINANCE_SIZE:" << value; + eglGetConfigAttrib(m_display, config, EGL_MAX_PBUFFER_WIDTH, &value); + qDebug() << "EGL_MAX_PBUFFER_WIDTH:" << value; + eglGetConfigAttrib(m_display, config, EGL_MAX_PBUFFER_HEIGHT, &value); + qDebug() << "EGL_MAX_PBUFFER_HEIGHT:" << value; + eglGetConfigAttrib(m_display, config, EGL_MAX_PBUFFER_PIXELS, &value); + qDebug() << "EGL_MAX_PBUFFER_PIXELS:" << value; + eglGetConfigAttrib(m_display, config, EGL_MAX_SWAP_INTERVAL, &value); + qDebug() << "EGL_MAX_SWAP_INTERVAL:" << value; + eglGetConfigAttrib(m_display, config, EGL_MIN_SWAP_INTERVAL, &value); + qDebug() << "EGL_MIN_SWAP_INTERVAL:" << value; + eglGetConfigAttrib(m_display, config, EGL_NATIVE_RENDERABLE, &value); + qDebug() << "EGL_NATIVE_RENDERABLE:" << value; + eglGetConfigAttrib(m_display, config, EGL_NATIVE_VISUAL_ID, &value); + qDebug() << "EGL_NATIVE_VISUAL_ID:" << value; + eglGetConfigAttrib(m_display, config, EGL_NATIVE_VISUAL_TYPE, &value); + qDebug() << "EGL_NATIVE_VISUAL_TYPE:" << value; + eglGetConfigAttrib(m_display, config, EGL_RENDERABLE_TYPE, &value); + qDebug() << "EGL_RENDERABLE_TYPE:" << value; + eglGetConfigAttrib(m_display, config, EGL_SAMPLE_BUFFERS, &value); + qDebug() << "EGL_SAMPLE_BUFFERS:" << value; + eglGetConfigAttrib(m_display, config, EGL_SAMPLES, &value); + qDebug() << "EGL_SAMPLES:" << value; + + eglGetConfigAttrib(m_display, config, EGL_SURFACE_TYPE, &value); + qDebug() << "EGL_SURFACE_TYPE:" << value; + eglGetConfigAttrib(m_display, config, EGL_TRANSPARENT_TYPE, &value); + qDebug() << "EGL_TRANSPARENT_TYPE:" << value; + eglGetConfigAttrib(m_display, config, EGL_TRANSPARENT_RED_VALUE, &value); + qDebug() << "EGL_TRANSPARENT_RED_VALUE:" << value; + eglGetConfigAttrib(m_display, config, EGL_TRANSPARENT_GREEN_VALUE, &value); + qDebug() << "EGL_TRANSPARENT_GREEN_VALUE:" << value; + eglGetConfigAttrib(m_display, config, EGL_TRANSPARENT_BLUE_VALUE, &value); + qDebug() << "EGL_TRANSPARENT_BLUE_VALUE:" << value; + } +} + +void QOpenVGContext::checkErrors() +{ + VGErrorCode error; + EGLint eglError; + do { + error = vgGetError(); + eglError = eglGetError(); + qDebug() << "error: " << QString::number(error, 16); + qDebug() << "eglError: " << QString::number(eglError, 16); + } while (error != VG_NO_ERROR && eglError != EGL_SUCCESS); +} + +QT_END_NAMESPACE |