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-rw-r--r--src/hardwareintegration/client/wayland-egl/qwaylandglcontext.cpp322
1 files changed, 101 insertions, 221 deletions
diff --git a/src/hardwareintegration/client/wayland-egl/qwaylandglcontext.cpp b/src/hardwareintegration/client/wayland-egl/qwaylandglcontext.cpp
index 5bd2760d0..02789b305 100644
--- a/src/hardwareintegration/client/wayland-egl/qwaylandglcontext.cpp
+++ b/src/hardwareintegration/client/wayland-egl/qwaylandglcontext.cpp
@@ -1,60 +1,24 @@
-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the plugins 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 "qwaylandglcontext.h"
+// 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 "qwaylandglcontext_p.h"
#include <QtWaylandClient/private/qwaylanddisplay_p.h>
#include <QtWaylandClient/private/qwaylandwindow_p.h>
#include <QtWaylandClient/private/qwaylandsubsurface_p.h>
#include <QtWaylandClient/private/qwaylandabstractdecoration_p.h>
#include <QtWaylandClient/private/qwaylandintegration_p.h>
-#include "qwaylandeglwindow.h"
+#include "qwaylandeglwindow_p.h"
#include <QDebug>
-#include <QtEglSupport/private/qeglconvenience_p.h>
+#include <QtGui/private/qeglconvenience_p.h>
#include <QtGui/private/qopenglcontext_p.h>
-#include <QtGui/private/qopengltexturecache_p.h>
+#include <QtOpenGL/private/qopengltexturecache_p.h>
#include <QtGui/private/qguiapplication_p.h>
#include <qpa/qplatformopenglcontext.h>
#include <QtGui/QSurfaceFormat>
-#include <QtGui/QOpenGLShaderProgram>
+#include <QtOpenGL/QOpenGLShaderProgram>
#include <QtGui/QOpenGLFunctions>
#include <QOpenGLBuffer>
@@ -192,22 +156,23 @@ public:
}
void blit(QWaylandEglWindow *window)
{
- Q_ASSERT(window->wlSurface());
QOpenGLTextureCache *cache = QOpenGLTextureCache::cacheForContext(m_context->context());
QSize surfaceSize = window->surfaceSize();
- int scale = window->scale() ;
+ qreal scale = window->scale() ;
glViewport(0, 0, surfaceSize.width() * scale, surfaceSize.height() * scale);
//Draw Decoration
- m_blitProgram->setAttributeBuffer(0, GL_FLOAT, m_inverseSquareVerticesOffset, 2);
- QImage decorationImage = window->decoration()->contentImage();
- cache->bindTexture(m_context->context(), decorationImage);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, m_textureWrap);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, m_textureWrap);
- glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
+ if (auto *decoration = window->decoration()) {
+ m_blitProgram->setAttributeBuffer(0, GL_FLOAT, m_inverseSquareVerticesOffset, 2);
+ QImage decorationImage = decoration->contentImage();
+ cache->bindTexture(m_context->context(), decorationImage);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, m_textureWrap);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, m_textureWrap);
+ glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
+ }
//Draw Content
m_blitProgram->setAttributeBuffer(0, GL_FLOAT, m_squareVerticesOffset, 2);
@@ -226,179 +191,105 @@ public:
int m_textureWrap;
};
-
-
-QWaylandGLContext::QWaylandGLContext(EGLDisplay eglDisplay, QWaylandDisplay *display, const QSurfaceFormat &format, QPlatformOpenGLContext *share)
- : QPlatformOpenGLContext()
- , m_eglDisplay(eglDisplay)
- , m_display(display)
+QWaylandGLContext::QWaylandGLContext(EGLDisplay eglDisplay, QWaylandDisplay *display,
+ const QSurfaceFormat &fmt, QPlatformOpenGLContext *share)
+ : QEGLPlatformContext(fmt, share, eglDisplay), m_display(display)
{
- QSurfaceFormat fmt = format;
- if (static_cast<QWaylandIntegration *>(QGuiApplicationPrivate::platformIntegration())->display()->supportsWindowDecoration())
- fmt.setAlphaBufferSize(8);
- m_config = q_configFromGLFormat(m_eglDisplay, fmt);
- m_format = q_glFormatFromConfig(m_eglDisplay, m_config, fmt);
- m_shareEGLContext = share ? static_cast<QWaylandGLContext *>(share)->eglContext() : EGL_NO_CONTEXT;
-
- QVector<EGLint> eglContextAttrs;
- eglContextAttrs.append(EGL_CONTEXT_CLIENT_VERSION);
- eglContextAttrs.append(format.majorVersion());
- const bool hasKHRCreateContext = q_hasEglExtension(m_eglDisplay, "EGL_KHR_create_context");
- if (hasKHRCreateContext) {
- eglContextAttrs.append(EGL_CONTEXT_MINOR_VERSION_KHR);
- eglContextAttrs.append(format.minorVersion());
- int flags = 0;
- // The debug bit is supported both for OpenGL and OpenGL ES.
- if (format.testOption(QSurfaceFormat::DebugContext))
- flags |= EGL_CONTEXT_OPENGL_DEBUG_BIT_KHR;
- // The fwdcompat bit is only for OpenGL 3.0+.
- if (m_format.renderableType() == QSurfaceFormat::OpenGL
- && format.majorVersion() >= 3
- && !format.testOption(QSurfaceFormat::DeprecatedFunctions))
- flags |= EGL_CONTEXT_OPENGL_FORWARD_COMPATIBLE_BIT_KHR;
- if (flags) {
- eglContextAttrs.append(EGL_CONTEXT_FLAGS_KHR);
- eglContextAttrs.append(flags);
- }
- // Profiles are OpenGL only and mandatory in 3.2+. The value is silently ignored for < 3.2.
- if (m_format.renderableType() == QSurfaceFormat::OpenGL) {
- switch (format.profile()) {
- case QSurfaceFormat::NoProfile:
- break;
- case QSurfaceFormat::CoreProfile:
- eglContextAttrs.append(EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR);
- eglContextAttrs.append(EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR);
- break;
- case QSurfaceFormat::CompatibilityProfile:
- eglContextAttrs.append(EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR);
- eglContextAttrs.append(EGL_CONTEXT_OPENGL_COMPATIBILITY_PROFILE_BIT_KHR);
- break;
- }
- }
- }
- eglContextAttrs.append(EGL_NONE);
+ m_reconnectionWatcher = QObject::connect(m_display, &QWaylandDisplay::connected,
+ m_display, [this] { invalidateContext(); });
- switch (m_format.renderableType()) {
+ switch (format().renderableType()) {
case QSurfaceFormat::OpenVG:
m_api = EGL_OPENVG_API;
break;
#ifdef EGL_VERSION_1_4
-# if !defined(QT_OPENGL_ES_2)
- case QSurfaceFormat::DefaultRenderableType:
-# endif
case QSurfaceFormat::OpenGL:
m_api = EGL_OPENGL_API;
break;
-#endif
- case QSurfaceFormat::OpenGLES:
+#endif // EGL_VERSION_1_4
default:
m_api = EGL_OPENGL_ES_API;
break;
}
- eglBindAPI(m_api);
-
- m_context = eglCreateContext(m_eglDisplay, m_config, m_shareEGLContext, eglContextAttrs.constData());
-
- if (m_context == EGL_NO_CONTEXT) {
- m_context = eglCreateContext(m_eglDisplay, m_config, EGL_NO_CONTEXT, eglContextAttrs.constData());
- m_shareEGLContext = EGL_NO_CONTEXT;
- }
-
- EGLint error = eglGetError();
- if (error != EGL_SUCCESS) {
- qWarning("QWaylandGLContext: failed to create EGLContext, error=%x", error);
- return;
- }
// Create an EGL context for the decorations blitter. By using a dedicated context we don't need to make sure to not
// change the context state and we also use OpenGL ES 2 API independently to what the app is using to draw.
- QVector<EGLint> eglDecorationsContextAttrs = { EGL_CONTEXT_CLIENT_VERSION, 1, EGL_NONE };
- m_decorationsContext = eglCreateContext(m_eglDisplay, m_config, m_context, eglDecorationsContextAttrs.constData());
+ QList<EGLint> eglDecorationsContextAttrs = { EGL_CONTEXT_CLIENT_VERSION, 2, EGL_NONE };
+ m_decorationsContext = eglCreateContext(eglDisplay, eglConfig(), eglContext(),
+ eglDecorationsContextAttrs.constData());
if (m_decorationsContext == EGL_NO_CONTEXT)
qWarning("QWaylandGLContext: Failed to create the decorations EGLContext. Decorations will not be drawn.");
EGLint a = EGL_MIN_SWAP_INTERVAL;
EGLint b = EGL_MAX_SWAP_INTERVAL;
- if (!eglGetConfigAttrib(m_eglDisplay, m_config, a, &a) ||
- !eglGetConfigAttrib(m_eglDisplay, m_config, b, &b) ||
- a > 0) {
- mSupportNonBlockingSwap = false;
+ if (!eglGetConfigAttrib(eglDisplay, eglConfig(), a, &a)
+ || !eglGetConfigAttrib(eglDisplay, eglConfig(), b, &b) || a > 0) {
+ m_supportNonBlockingSwap = false;
}
- if (!mSupportNonBlockingSwap) {
+ {
+ bool ok;
+ int supportNonBlockingSwap = qEnvironmentVariableIntValue("QT_WAYLAND_FORCE_NONBLOCKING_SWAP_SUPPORT", &ok);
+ if (ok)
+ m_supportNonBlockingSwap = supportNonBlockingSwap != 0;
+ }
+ if (!m_supportNonBlockingSwap) {
qWarning(lcQpaWayland) << "Non-blocking swap buffers not supported."
<< "Subsurface rendering can be affected."
<< "It may also cause the event loop to freeze in some situations";
}
+}
- updateGLFormat();
+EGLSurface QWaylandGLContext::createTemporaryOffscreenSurface()
+{
+ m_wlSurface = m_display->createSurface(nullptr);
+ m_eglWindow = wl_egl_window_create(m_wlSurface, 1, 1);
+#if QT_CONFIG(egl_extension_platform_wayland)
+ EGLSurface eglSurface =
+ eglCreatePlatformWindowSurface(eglDisplay(), eglConfig(), m_eglWindow, nullptr);
+#else
+ EGLSurface eglSurface = eglCreateWindowSurface(eglDisplay(), eglConfig(), m_eglWindow, nullptr);
+#endif
+ return eglSurface;
}
-void QWaylandGLContext::updateGLFormat()
+void QWaylandGLContext::destroyTemporaryOffscreenSurface(EGLSurface eglSurface)
{
- // Have to save & restore to prevent QOpenGLContext::currentContext() from becoming
- // inconsistent after QOpenGLContext::create().
- EGLDisplay prevDisplay = eglGetCurrentDisplay();
- if (prevDisplay == EGL_NO_DISPLAY) // when no context is current
- prevDisplay = m_eglDisplay;
- EGLContext prevContext = eglGetCurrentContext();
- EGLSurface prevSurfaceDraw = eglGetCurrentSurface(EGL_DRAW);
- EGLSurface prevSurfaceRead = eglGetCurrentSurface(EGL_READ);
-
- wl_surface *wlSurface = m_display->createSurface(nullptr);
- wl_egl_window *eglWindow = wl_egl_window_create(wlSurface, 1, 1);
- EGLSurface eglSurface = eglCreateWindowSurface(m_eglDisplay, m_config, eglWindow, 0);
-
- if (eglMakeCurrent(m_eglDisplay, eglSurface, eglSurface, m_context)) {
- if (m_format.renderableType() == QSurfaceFormat::OpenGL
- || m_format.renderableType() == QSurfaceFormat::OpenGLES) {
- const GLubyte *s = glGetString(GL_VERSION);
- if (s) {
- QByteArray version = QByteArray(reinterpret_cast<const char *>(s));
- int major, minor;
- if (QPlatformOpenGLContext::parseOpenGLVersion(version, major, minor)) {
- m_format.setMajorVersion(major);
- m_format.setMinorVersion(minor);
- }
- }
- m_format.setProfile(QSurfaceFormat::NoProfile);
- m_format.setOptions(QSurfaceFormat::FormatOptions());
- if (m_format.renderableType() == QSurfaceFormat::OpenGL) {
- // Check profile and options.
- if (m_format.majorVersion() < 3) {
- m_format.setOption(QSurfaceFormat::DeprecatedFunctions);
- } else {
- GLint value = 0;
- glGetIntegerv(GL_CONTEXT_FLAGS, &value);
- if (!(value & GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT))
- m_format.setOption(QSurfaceFormat::DeprecatedFunctions);
- if (value & GL_CONTEXT_FLAG_DEBUG_BIT)
- m_format.setOption(QSurfaceFormat::DebugContext);
- if (m_format.version() >= qMakePair(3, 2)) {
- value = 0;
- glGetIntegerv(GL_CONTEXT_PROFILE_MASK, &value);
- if (value & GL_CONTEXT_CORE_PROFILE_BIT)
- m_format.setProfile(QSurfaceFormat::CoreProfile);
- else if (value & GL_CONTEXT_COMPATIBILITY_PROFILE_BIT)
- m_format.setProfile(QSurfaceFormat::CompatibilityProfile);
- }
- }
- }
- }
- eglMakeCurrent(prevDisplay, prevSurfaceDraw, prevSurfaceRead, prevContext);
- }
- eglDestroySurface(m_eglDisplay, eglSurface);
- wl_egl_window_destroy(eglWindow);
- wl_surface_destroy(wlSurface);
+ eglDestroySurface(eglDisplay(), eglSurface);
+ wl_egl_window_destroy(m_eglWindow);
+ m_eglWindow = nullptr;
+ wl_surface_destroy(m_wlSurface);
+ m_wlSurface = nullptr;
}
QWaylandGLContext::~QWaylandGLContext()
{
+ QObject::disconnect(m_reconnectionWatcher);
delete m_blitter;
- eglDestroyContext(m_eglDisplay, m_context);
+ m_blitter = nullptr;
+ if (m_decorationsContext != EGL_NO_CONTEXT)
+ eglDestroyContext(eglDisplay(), m_decorationsContext);
+}
+
+void QWaylandGLContext::beginFrame()
+{
+ Q_ASSERT(m_currentWindow != nullptr);
+ if (m_supportNonBlockingSwap)
+ m_currentWindow->beginFrame();
+}
+
+void QWaylandGLContext::endFrame()
+{
+ Q_ASSERT(m_currentWindow != nullptr);
+ if (m_supportNonBlockingSwap)
+ m_currentWindow->endFrame();
}
bool QWaylandGLContext::makeCurrent(QPlatformSurface *surface)
{
+ if (!isValid()) {
+ return false;
+ }
+
// in QWaylandGLContext() we called eglBindAPI with the correct value. However,
// eglBindAPI's documentation says:
// "eglBindAPI defines the current rendering API for EGL in the thread it is called from"
@@ -408,44 +299,42 @@ bool QWaylandGLContext::makeCurrent(QPlatformSurface *surface)
eglBindAPI(m_api);
}
- QWaylandEglWindow *window = static_cast<QWaylandEglWindow *>(surface);
- EGLSurface eglSurface = window->eglSurface();
+ m_currentWindow = static_cast<QWaylandEglWindow *>(surface);
+ EGLSurface eglSurface = m_currentWindow->eglSurface();
- if (!window->needToUpdateContentFBO() && (eglSurface != EGL_NO_SURFACE)) {
- if (!eglMakeCurrent(m_eglDisplay, eglSurface, eglSurface, m_context)) {
- qWarning("QWaylandGLContext::makeCurrent: eglError: %x, this: %p \n", eglGetError(), this);
+ if (!m_currentWindow->needToUpdateContentFBO() && (eglSurface != EGL_NO_SURFACE)) {
+ if (!eglMakeCurrent(eglDisplay(), eglSurface, eglSurface, eglContext())) {
+ qWarning("QWaylandGLContext::makeCurrent: eglError: %#x, this: %p \n", eglGetError(), this);
return false;
}
return true;
}
- if (window->isExposed())
- window->setCanResize(false);
- if (m_decorationsContext != EGL_NO_CONTEXT && !window->decoration())
- window->createDecoration();
+ if (m_currentWindow->isExposed())
+ m_currentWindow->setCanResize(false);
if (eglSurface == EGL_NO_SURFACE) {
- window->updateSurface(true);
- eglSurface = window->eglSurface();
+ m_currentWindow->updateSurface(true);
+ eglSurface = m_currentWindow->eglSurface();
}
- if (!eglMakeCurrent(m_eglDisplay, eglSurface, eglSurface, m_context)) {
- qWarning("QWaylandGLContext::makeCurrent: eglError: %x, this: %p \n", eglGetError(), this);
- window->setCanResize(true);
+ if (!eglMakeCurrent(eglDisplay(), eglSurface, eglSurface, eglContext())) {
+ qWarning("QWaylandGLContext::makeCurrent: eglError: %#x, this: %p \n", eglGetError(), this);
+ m_currentWindow->setCanResize(true);
return false;
}
//### setCurrentContext will be called in QOpenGLContext::makeCurrent after this function
// returns, but that's too late, as we need a current context in order to bind the content FBO.
QOpenGLContextPrivate::setCurrentContext(context());
- window->bindContentFBO();
+ m_currentWindow->bindContentFBO();
return true;
}
void QWaylandGLContext::doneCurrent()
{
- eglMakeCurrent(m_eglDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
+ eglMakeCurrent(eglDisplay(), EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
}
void QWaylandGLContext::swapBuffers(QPlatformSurface *surface)
@@ -463,7 +352,7 @@ void QWaylandGLContext::swapBuffers(QPlatformSurface *surface)
EGLContext currentContext = eglGetCurrentContext();
EGLSurface currentSurfaceDraw = eglGetCurrentSurface(EGL_DRAW);
EGLSurface currentSurfaceRead = eglGetCurrentSurface(EGL_READ);
- eglMakeCurrent(m_eglDisplay, eglSurface, eglSurface, m_decorationsContext);
+ eglMakeCurrent(eglDisplay(), eglSurface, eglSurface, m_decorationsContext);
if (!m_blitter)
m_blitter = new DecorationsBlitter(this);
@@ -474,15 +363,16 @@ void QWaylandGLContext::swapBuffers(QPlatformSurface *surface)
eglMakeCurrent(currentDisplay, currentSurfaceDraw, currentSurfaceRead, currentContext);
}
- int swapInterval = mSupportNonBlockingSwap ? 0 : m_format.swapInterval();
- eglSwapInterval(m_eglDisplay, swapInterval);
- if (swapInterval == 0 && m_format.swapInterval() > 0) {
+ int swapInterval = m_supportNonBlockingSwap ? 0 : format().swapInterval();
+ eglSwapInterval(eglDisplay(), swapInterval);
+ if (swapInterval == 0 && format().swapInterval() > 0) {
// Emulating a blocking swap
glFlush(); // Flush before waiting so we can swap more quickly when the frame event arrives
window->waitForFrameSync(100);
}
window->handleUpdate();
- eglSwapBuffers(m_eglDisplay, eglSurface);
+ if (!eglSwapBuffers(eglDisplay(), eglSurface))
+ qCWarning(lcQpaWayland, "eglSwapBuffers failed with %#x, surface: %p", eglGetError(), eglSurface);
window->setCanResize(true);
}
@@ -492,16 +382,6 @@ GLuint QWaylandGLContext::defaultFramebufferObject(QPlatformSurface *surface) co
return static_cast<QWaylandEglWindow *>(surface)->contentFBO();
}
-bool QWaylandGLContext::isSharing() const
-{
- return m_shareEGLContext != EGL_NO_CONTEXT;
-}
-
-bool QWaylandGLContext::isValid() const
-{
- return m_context != EGL_NO_CONTEXT;
-}
-
QFunctionPointer QWaylandGLContext::getProcAddress(const char *procName)
{
QFunctionPointer proc = (QFunctionPointer) eglGetProcAddress(procName);
@@ -510,9 +390,9 @@ QFunctionPointer QWaylandGLContext::getProcAddress(const char *procName)
return proc;
}
-EGLConfig QWaylandGLContext::eglConfig() const
+EGLSurface QWaylandGLContext::eglSurfaceForPlatformSurface(QPlatformSurface *surface)
{
- return m_config;
+ return static_cast<QWaylandEglWindow *>(surface)->eglSurface();
}
}