Mesa (master): i965/fs: generate fs programs also without any 8-width instructions

[Topi Pohjolainen]

Module: Mesa
Branch: master
Commit: ca53704f4be2d1c8317512b96fbc9540d2856f98
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=ca53704f4be2d1c8317512b96fbc9540d2856f98

Author: Topi Pohjolainen <topi.pohjolainen at intel.com>
Date:   Wed Nov 27 14:32:41 2013 +0200

i965/fs: generate fs programs also without any 8-width instructions

Signed-off-by: Topi Pohjolainen <topi.pohjolainen at intel.com>
Reviewed-by: Matt Turner <mattst88 at gmail.com>

---

 src/mesa/drivers/dri/i965/brw_fs_generator.cpp |    8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/brw_fs_generator.cpp b/src/mesa/drivers/dri/i965/brw_fs_generator.cpp
index 0cc574c..2381fb0 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_generator.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_generator.cpp
@@ -1809,8 +1809,12 @@ fs_generator::generate_assembly(exec_list *simd8_instructions,
                                 exec_list *simd16_instructions,
                                 unsigned *assembly_size)
 {
-   dispatch_width = 8;
-   generate_code(simd8_instructions);
+   assert(simd8_instructions || simd16_instructions);
+
+   if (simd8_instructions) {
+      dispatch_width = 8;
+      generate_code(simd8_instructions);
+   }
 
    if (simd16_instructions) {
       /* We have to do a compaction pass now, or the one at the end of