When doing software rendering (i.e. rendering to the selection buffer) we need to make sure that we have valid index bounds before calling _tnl_draw_prims(), otherwise we can crash.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=59455 --- src/mesa/drivers/dri/i965/brw_draw.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/src/mesa/drivers/dri/i965/brw_draw.c b/src/mesa/drivers/dri/i965/brw_draw.c index d684c17..498cfe2 100644 --- a/src/mesa/drivers/dri/i965/brw_draw.c +++ b/src/mesa/drivers/dri/i965/brw_draw.c @@ -554,7 +554,8 @@ void brw_draw_prims( struct gl_context *ctx, * get the minimum and maximum of their index buffer so we know what range * to upload. */ - if (!vbo_all_varyings_in_vbos(arrays) && !index_bounds_valid) { + if ((!vbo_all_varyings_in_vbos(arrays) || ctx->RenderMode != GL_RENDER) + && !index_bounds_valid) { perf_debug("Scanning index buffer to compute index buffer bounds. " "Use glDrawRangeElements() to avoid this.\n"); vbo_get_minmax_indices(ctx, prims, ib, &min_index, &max_index, nr_prims); -- 1.8.3.2 _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev
