This prevents textureQueryLevels, which maps as LODQ, from ending up with a xyzw writemask, which is illegal.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=100061 Signed-off-by: Ilia Mirkin <imir...@alum.mit.edu> Cc: mesa-sta...@lists.freedesktop.org --- Untested beyond making sure that the shader in the above bug ends up with a .xy writemask. I don't have access to a reasonable testing rig right now, would be ideal if someone could give it a run through theirs... src/mesa/state_tracker/st_glsl_to_tgsi.cpp | 1 + 1 file changed, 1 insertion(+) diff --git a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp index af41bdb..63b681f 100644 --- a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp +++ b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp @@ -4165,6 +4165,7 @@ glsl_to_tgsi_visitor::visit(ir_texture *ir) */ result_src = get_temp(ir->type); result_dst = st_dst_reg(result_src); + result_dst.writemask = (1 << ir->type->vector_elements) - 1; switch (ir->op) { case ir_tex: -- 2.10.2 _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-dev