From: Kenneth Graunke <kenneth@whitecape.org>
Date: Mon, 9 Jan 2012 04:42:22 +0000 (-0800)
Subject: i965: Enable SIMD16 mode for shaders with loops on Gen6+.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=99cd475cc9d3bd54140f84c24b55b9e05d7310a1;p=mesa.git

i965: Enable SIMD16 mode for shaders with loops on Gen6+.

The hardware supports it; there's no reason not to.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
---

diff --git a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
index 15eae43f487..b4ef80b6546 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
@@ -1676,7 +1676,7 @@ fs_visitor::visit(ir_loop *ir)
 {
    fs_reg counter = reg_undef;
 
-   if (c->dispatch_width == 16) {
+   if (intel->gen < 6 && c->dispatch_width == 16) {
       fail("Can't support (non-uniform) control flow on 16-wide\n");
    }