From: Eric Anholt <eric@anholt.net>
Date: Tue, 28 Sep 2010 04:25:55 +0000 (-0700)
Subject: i965: Actually track the "if" depth in loop in the new FS backend.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=e10508812aed4c41c62ea27ac540c8d079bece07;p=mesa.git

i965: Actually track the "if" depth in loop in the new FS backend.

Fixes:
glsl-fs-if-nested-loop.
---

diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp
index d05aa29014f..c324be210a0 100644
--- a/src/mesa/drivers/dri/i965/brw_fs.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs.cpp
@@ -1789,6 +1789,7 @@ fs_visitor::generate_code()
       case BRW_OPCODE_IF:
 	 assert(if_stack_depth < 16);
 	 if_stack[if_stack_depth] = brw_IF(p, BRW_EXECUTE_8);
+	 if_depth_in_loop[loop_stack_depth]++;
 	 if_stack_depth++;
 	 break;
       case BRW_OPCODE_ELSE:
@@ -1798,6 +1799,7 @@ fs_visitor::generate_code()
       case BRW_OPCODE_ENDIF:
 	 if_stack_depth--;
 	 brw_ENDIF(p , if_stack[if_stack_depth]);
+	 if_depth_in_loop[loop_stack_depth]--;
 	 break;
 
       case BRW_OPCODE_DO: