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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include <qpa/qplatformnativeinterface.h>
#include <QtGui/QGuiApplication>
#include <QtCore/QList>
#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 std::move(framebufferImage).flipped(Qt::Vertical);
}
void QOpenVGContext::getConfigs()
{
EGLint configsAvailable = 0;
eglGetConfigs(m_display, 0, 0, &configsAvailable);
QList<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