Mesa (master): i965/fs: Handle explicit flag sources in flags_read()
Matt Turner
mattst88 at kemper.freedesktop.org
Fri Jul 21 00:03:33 UTC 2017
Module: Mesa
Branch: master
Commit: f1b7c47913344338a8730cf3561ce95527b53c4c
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=f1b7c47913344338a8730cf3561ce95527b53c4c
Author: Francisco Jerez <currojerez at riseup.net>
Date: Thu Jun 22 16:42:34 2017 -0700
i965/fs: Handle explicit flag sources in flags_read()
The implementations of the ARB_shader_ballot intrinsics will explicitly
read the flag as a source register.
Reviewed-by: Matt Turner <mattst88 at gmail.com>
---
src/intel/compiler/brw_fs.cpp | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/src/intel/compiler/brw_fs.cpp b/src/intel/compiler/brw_fs.cpp
index f3bb3835d9..38b5e52dc4 100644
--- a/src/intel/compiler/brw_fs.cpp
+++ b/src/intel/compiler/brw_fs.cpp
@@ -880,9 +880,6 @@ namespace {
unsigned
fs_inst::flags_read(const gen_device_info *devinfo) const
{
- /* XXX - This doesn't consider explicit uses of the flag register as source
- * region.
- */
if (predicate == BRW_PREDICATE_ALIGN1_ANYV ||
predicate == BRW_PREDICATE_ALIGN1_ALLV) {
/* The vertical predication modes combine corresponding bits from
@@ -893,7 +890,11 @@ fs_inst::flags_read(const gen_device_info *devinfo) const
} else if (predicate) {
return flag_mask(this);
} else {
- return 0;
+ unsigned mask = 0;
+ for (int i = 0; i < sources; i++) {
+ mask |= flag_mask(src[i], size_read(i));
+ }
+ return mask;
}
}
More information about the mesa-commit
mailing list