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authorTrond Kjernåsen <trond.kjernasen@nokia.com>2010-09-24 11:16:01 (GMT)
committerTrond Kjernåsen <trond.kjernasen@nokia.com>2010-09-24 11:17:14 (GMT)
commit4e781b65c60c6bdf0917fe9983a4f1e699643e55 (patch)
tree7bb9305e4c6ccabe6ef3218514605075daa663f7 /src
parentd31dcaf0c17d56f74d4faeaae3b5ce54ed847ee6 (diff)
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Don't pretend to support single buffered EGL surfaces.
Task-number: QTBUG-12865 Reviewed-by: Samuel
Diffstat (limited to 'src')
-rw-r--r--src/opengl/qgl.cpp3
-rw-r--r--src/opengl/qgl_egl.cpp1
2 files changed, 4 insertions, 0 deletions
diff --git a/src/opengl/qgl.cpp b/src/opengl/qgl.cpp
index 0d1a66e..b678790 100644
--- a/src/opengl/qgl.cpp
+++ b/src/opengl/qgl.cpp
@@ -509,6 +509,9 @@ QGLFormat::~QGLFormat()
exchange the screen contents with the buffer. The result is
flicker-free drawing and often better performance.
+ Note that single buffered contexts are currently not supported
+ with EGL.
+
\sa doubleBuffer(), QGLContext::swapBuffers(),
QGLWidget::swapBuffers()
*/
diff --git a/src/opengl/qgl_egl.cpp b/src/opengl/qgl_egl.cpp
index ebd1169..c79c4cd 100644
--- a/src/opengl/qgl_egl.cpp
+++ b/src/opengl/qgl_egl.cpp
@@ -143,6 +143,7 @@ void qt_glformat_from_eglconfig(QGLFormat& format, const EGLConfig config)
format.setRgba(true); // EGL doesn't support colour index rendering
format.setStereo(false); // EGL doesn't support stereo buffers
format.setAccumBufferSize(0); // EGL doesn't support accululation buffers
+ format.setDoubleBuffer(true); // We don't support single buffered EGL contexts
// Clear the EGL error state because some of the above may
// have errored out because the attribute is not applicable