ARB_geometry_shader4 spec Errors:
"The error INVALID_VALUE is generated by ProgramParameteriARB if <pname>
is GEOMETRY_VERTICES_OUT_ARB and <value> is negative."
Reviewed-by: Paul Berry <stereotype441@gmail.com>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
if (!_mesa_is_desktop_gl(ctx) || !ctx->Extensions.ARB_geometry_shader4)
break;
- if (value < 1 ||
+ if (value < 0 ||
(unsigned) value > ctx->Const.MaxGeometryOutputVertices) {
_mesa_error(ctx, GL_INVALID_VALUE,
"glProgramParameteri(GL_GEOMETRY_VERTICES_OUT_ARB=%d)",