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-rw-r--r--src/mesa/drivers/dri/i965/brw_wm_glsl.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_wm_glsl.c b/src/mesa/drivers/dri/i965/brw_wm_glsl.c
index 43646528f5f..eccbfd5fa3a 100644
--- a/src/mesa/drivers/dri/i965/brw_wm_glsl.c
+++ b/src/mesa/drivers/dri/i965/brw_wm_glsl.c
@@ -2040,6 +2040,7 @@ static void brw_wm_emit_glsl(struct brw_context *brw, struct brw_wm_compile *c)
if_inst[if_depth++] = brw_IF(p, BRW_EXECUTE_8);
break;
case OPCODE_ELSE:
+ assert(if_depth > 0);
if_inst[if_depth-1] = brw_ELSE(p, if_inst[if_depth-1]);
break;
case OPCODE_ENDIF:
@@ -2095,7 +2096,8 @@ static void brw_wm_emit_glsl(struct brw_context *brw, struct brw_wm_compile *c)
if (intel->is_ironlake)
br = 2;
-
+
+ assert(loop_depth > 0);
loop_depth--;
inst0 = inst1 = brw_WHILE(p, loop_inst[loop_depth]);
/* patch all the BREAK/CONT instructions from last BGNLOOP */