Created
April 30, 2021 00:39
-
-
Save UniversalSuperBox/0657831f311e2e39c6beed02b01d1797 to your computer and use it in GitHub Desktop.
Patch to print EGL/GL errors around eglSwapBuffers calls in QtUbuntu
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
diff --git a/src/ubuntumirclient/qmirclientglcontext.cpp b/src/ubuntumirclient/qmirclientglcontext.cpp | |
index 3c67461..5f78e59 100644 | |
--- a/src/ubuntumirclient/qmirclientglcontext.cpp | |
+++ b/src/ubuntumirclient/qmirclientglcontext.cpp | |
@@ -47,6 +47,8 @@ | |
#include <QtEglSupport/private/qeglpbuffer_p.h> | |
#include <QtGui/private/qopenglcontext_p.h> | |
+#include <QElapsedTimer> | |
+ | |
Q_LOGGING_CATEGORY(mirclientGraphics, "qt.qpa.mirclient.graphics", QtWarningMsg) | |
namespace { | |
@@ -122,11 +124,41 @@ EGLSurface QMirClientOpenGLContext::eglSurfaceForPlatformSurface(QPlatformSurfac | |
void QMirClientOpenGLContext::swapBuffers(QPlatformSurface *surface) | |
{ | |
+ QElapsedTimer timer; | |
+ EGLint error = EGL_SUCCESS; | |
+ do { | |
+ error = eglGetError(); | |
+ qDebug() << "BEFORE!"; | |
+ if (error != EGL_SUCCESS) { | |
+ qDebug() << "EGL ERROR BEFORE!" << error; | |
+ } | |
+ } while (error != EGL_SUCCESS); | |
+ GLenum glerror = GL_NO_ERROR; | |
+ do { | |
+ glerror = glGetError(); | |
+ if (glerror != GL_NO_ERROR) | |
+ qDebug() << "GL ERROR BEFORE!" << glerror; | |
+ } while (glerror != GL_NO_ERROR); | |
+ | |
+ timer.start(); | |
QEGLPlatformContext::swapBuffers(surface); | |
+ qDebug() << "AFTER!" << timer.elapsed(); | |
if (surface->surface()->surfaceClass() == QSurface::Window) { | |
// notify window on swap completion | |
auto platformWindow = static_cast<QMirClientWindow *>(surface); | |
platformWindow->onSwapBuffersDone(); | |
} | |
+ | |
+ do { | |
+ glerror = glGetError(); | |
+ if (glerror != GL_NO_ERROR) | |
+ qDebug() << "GL ERROR BEFORE!" << glerror; | |
+ } while (glerror != GL_NO_ERROR); | |
+ do { | |
+ error = eglGetError(); | |
+ if (error != EGL_SUCCESS) { | |
+ qDebug() << "EGL ERROR AFTER!" << error; | |
+ } | |
+ } while (error != EGL_SUCCESS); | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment