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-rw-r--r--src/opengl/qgl.cpp16
1 files changed, 13 insertions, 3 deletions
diff --git a/src/opengl/qgl.cpp b/src/opengl/qgl.cpp
index ffce551..9d4b488 100644
--- a/src/opengl/qgl.cpp
+++ b/src/opengl/qgl.cpp
@@ -1097,6 +1097,10 @@ int QGLFormat::stencilBufferSize() const
*/
void QGLFormat::setVersion(int major, int minor)
{
+ if (major < 1 || minor < 0) {
+ qWarning("QGLFormat::setVersion: Cannot set zero or negative version number %d.%d", major, minor);
+ return;
+ }
detach();
d->majorVersion = major;
d->minorVersion = minor;
@@ -1470,14 +1474,20 @@ void QGLFormat::setDefaultOverlayFormat(const QGLFormat &f)
bool operator==(const QGLFormat& a, const QGLFormat& b)
{
- return (int) a.d->opts == (int) b.d->opts && a.d->pln == b.d->pln && a.d->alphaSize == b.d->alphaSize
- && a.d->accumSize == b.d->accumSize && a.d->stencilSize == b.d->stencilSize
+ return (a.d == b.d) || ((int) a.d->opts == (int) b.d->opts
+ && a.d->pln == b.d->pln
+ && a.d->alphaSize == b.d->alphaSize
+ && a.d->accumSize == b.d->accumSize
+ && a.d->stencilSize == b.d->stencilSize
&& a.d->depthSize == b.d->depthSize
&& a.d->redSize == b.d->redSize
&& a.d->greenSize == b.d->greenSize
&& a.d->blueSize == b.d->blueSize
&& a.d->numSamples == b.d->numSamples
- && a.d->swapInterval == b.d->swapInterval;
+ && a.d->swapInterval == b.d->swapInterval
+ && a.d->majorVersion == b.d->majorVersion
+ && a.d->minorVersion == b.d->minorVersion
+ && a.d->profile == b.d->profile);
}