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Fix crash when running tst_qlbuffers under Angle

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Angle does not support glGetBufferSubData.

Task-number: QTQAINFRA-1199
Change-Id: I17f99027cc374131965d6589d2babacb75f9174a
Reviewed-by: Laszlo Agocs <laszlo.agocs@qt.io>
This commit is contained in:
Simon Hausmann 2017-06-19 16:31:50 +02:00
parent 0c7e4b97a7
commit dcaa2d057b
1 changed files with 1 additions and 1 deletions
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2
src/opengl/qglbuffer.cpp
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@ -343,7 +343,7 @@ bool QGLBuffer::read(int offset, void *data, int count)
{ {
#if !defined(QT_OPENGL_ES) #if !defined(QT_OPENGL_ES)
Q_D(QGLBuffer); Q_D(QGLBuffer);
if (!d->funcs->hasOpenGLFeature(QOpenGLFunctions::Buffers) || !d->guard->id()) if (!d->funcs->hasOpenGLFeature(QOpenGLFunctions::Buffers) || !d->guard->id() || !d->funcs->d()->GetBufferSubData)
return false; return false;
while (d->funcs->glGetError() != GL_NO_ERROR) ; // Clear error state. while (d->funcs->glGetError() != GL_NO_ERROR) ; // Clear error state.
d->funcs->glGetBufferSubData(d->type, offset, count, data); d->funcs->glGetBufferSubData(d->type, offset, count, data);