From 9b9dd22f4448da6a6e825faaa40cd601b6fb2b59 Mon Sep 17 00:00:00 2001 From: Anuj Phogat Date: Mon, 28 Jul 2014 19:27:59 -0700 Subject: [PATCH] i965: Bail on FS copy propagation for scratch writes with source modifiers Signed-off-by: Anuj Phogat Reviewed-by: Matt Turner --- src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp b/src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp index 498e0782f69..09f51bc0fa4 100644 --- a/src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp @@ -311,6 +311,10 @@ fs_visitor::try_copy_propagate(fs_inst *inst, int arg, acp_entry *entry) !inst->can_do_source_mods(brw)) return false; + if (has_source_modifiers && + inst->opcode == SHADER_OPCODE_GEN4_SCRATCH_WRITE) + return false; + /* Bail if the result of composing both strides would exceed the * hardware limit. */ -- 2.30.2