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| ** |
| ** 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 |
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| ** GNU Lesser General Public License Usage |
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| ** General Public License version 3 as published by the Free Software |
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| ** |
| ** 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 |
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| ****************************************************************************/ |
| |
| #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 |