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authorLaszlo Agocs <laszlo.agocs@qt.io>2018-11-05 15:57:22 +0100
committerLaszlo Agocs <laszlo.agocs@qt.io>2019-08-14 15:40:27 +0200
commit1be4f6c32c9846a2343f94628ba9704cf22ec5b1 (patch)
tree54e5d40c201d74a221447ce265ccc27ad032061b /src/plugins/platforms/xcb
parent3d56572fe7c5111aa984e358d3c9a8c41ae87e56 (diff)
Avoid querying unknown RESET_NOTIFICATION_STRATEGY value on GL < 4.0
Fixes: QTBUG-55759 Change-Id: Ie2758859a6862a214691a5011761bf549a31a93e Reviewed-by: Christian Strømme <christian.stromme@qt.io>
Diffstat (limited to 'src/plugins/platforms/xcb')
-rw-r--r--src/plugins/platforms/xcb/gl_integrations/xcb_glx/qglxintegration.cpp12
1 files changed, 7 insertions, 5 deletions
diff --git a/src/plugins/platforms/xcb/gl_integrations/xcb_glx/qglxintegration.cpp b/src/plugins/platforms/xcb/gl_integrations/xcb_glx/qglxintegration.cpp
index f26f698e76..5e5fefca90 100644
--- a/src/plugins/platforms/xcb/gl_integrations/xcb_glx/qglxintegration.cpp
+++ b/src/plugins/platforms/xcb/gl_integrations/xcb_glx/qglxintegration.cpp
@@ -163,10 +163,12 @@ static void updateFormatFromContext(QSurfaceFormat &format)
format.setOption(QSurfaceFormat::StereoBuffers);
if (format.renderableType() == QSurfaceFormat::OpenGL) {
- GLint value = 0;
- glGetIntegerv(GL_RESET_NOTIFICATION_STRATEGY_ARB, &value);
- if (value == GL_LOSE_CONTEXT_ON_RESET_ARB)
- format.setOption(QSurfaceFormat::ResetNotification);
+ if (format.version() >= qMakePair(4, 0)) {
+ GLint value = 0;
+ glGetIntegerv(GL_RESET_NOTIFICATION_STRATEGY_ARB, &value);
+ if (value == GL_LOSE_CONTEXT_ON_RESET_ARB)
+ format.setOption(QSurfaceFormat::ResetNotification);
+ }
if (format.version() < qMakePair(3, 0)) {
format.setOption(QSurfaceFormat::DeprecatedFunctions);
@@ -175,7 +177,7 @@ static void updateFormatFromContext(QSurfaceFormat &format)
// Version 3.0 onwards - check if it includes deprecated functionality or is
// a debug context
- value = 0;
+ GLint value = 0;
glGetIntegerv(GL_CONTEXT_FLAGS, &value);
if (!(value & GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT))
format.setOption(QSurfaceFormat::DeprecatedFunctions);