9b89a3d967
This makes our QPlatformOpenGLContext private subclass simpler. As a slightly unrelated change, this patch also fixes a bug where our platform opengl context may return a wrong surface format if surfaceless contexts are unsupported.
71 lines
1.5 KiB
C++
71 lines
1.5 KiB
C++
/*
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KWin - the KDE window manager
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This file is part of the KDE project.
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SPDX-FileCopyrightText: 2019 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
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SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "offscreensurface.h"
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#include "eglhelpers.h"
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#include "main.h"
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#include "platform.h"
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#include <QOffscreenSurface>
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namespace KWin
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{
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namespace QPA
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{
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OffscreenSurface::OffscreenSurface(QOffscreenSurface *surface)
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: QPlatformOffscreenSurface(surface)
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, m_eglDisplay(kwinApp()->platform()->sceneEglDisplay())
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{
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const QSize size = surface->size();
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EGLConfig config = configFromFormat(m_eglDisplay, surface->requestedFormat(), EGL_PBUFFER_BIT);
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if (config == EGL_NO_CONFIG_KHR) {
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return;
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}
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const EGLint attributes[] = {
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EGL_WIDTH, size.width(),
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EGL_HEIGHT, size.height(),
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EGL_NONE
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};
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m_surface = eglCreatePbufferSurface(m_eglDisplay, config, attributes);
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if (m_surface == EGL_NO_SURFACE) {
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return;
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}
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// Requested and actual surface format might be different.
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m_format = formatFromConfig(m_eglDisplay, config);
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}
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OffscreenSurface::~OffscreenSurface()
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{
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if (m_surface != EGL_NO_SURFACE) {
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eglDestroySurface(m_eglDisplay, m_surface);
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}
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}
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QSurfaceFormat OffscreenSurface::format() const
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{
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return m_format;
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}
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bool OffscreenSurface::isValid() const
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{
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return m_surface != EGL_NO_SURFACE;
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}
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EGLSurface OffscreenSurface::eglSurface() const
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{
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return m_surface;
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}
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} // namespace QPA
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} // namespace KWin
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