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fix nvidia crash

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This commit is contained in:
David Rose 2005-04-21 14:45:12 +00:00
parent f2789d20f0
commit f49a862037
1 changed files with 12 additions and 0 deletions
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12
panda/src/glstuff/glGraphicsStateGuardian_src.cxx
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@ -2316,6 +2316,18 @@ begin_draw_primitives(const qpGeom *geom, const qpGeomMunger *munger,
display_lists && (!hardware_animation || display_list_animation)) {
// If the geom claims to be totally static, try to build it into
// a display list.
// Before we compile or call a display list, make sure the current
// buffers are unbound, or the nVidia drivers may crash.
if (_current_vbuffer_index != 0) {
_glBindBuffer(GL_ARRAY_BUFFER, 0);
_current_vbuffer_index = 0;
}
if (_current_ibuffer_index != 0) {
_glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
_current_ibuffer_index = 0;
}
GeomContext *gc = ((qpGeom *)geom)->prepare_now(get_prepared_objects(), this);
nassertr(gc != (GeomContext *)NULL, false);
CLP(GeomContext) *ggc = DCAST(CLP(GeomContext), gc);