[Mesa-dev] [PATCH 2/8] i965/fs: Set has_control_flow to true on an IF or WHILE instruction.

[Matt Turner]

All of the other control flow instructions are dependent on the
existence of an IF or WHILE instruction.
---
 src/mesa/drivers/dri/i965/brw_fs_generator.cpp  | 2 ++
 src/mesa/drivers/dri/i965/gen8_fs_generator.cpp | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/src/mesa/drivers/dri/i965/brw_fs_generator.cpp 
b/src/mesa/drivers/dri/i965/brw_fs_generator.cpp
index ae89a50..651b708 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_generator.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_generator.cpp
@@ -1606,6 +1606,7 @@ fs_generator::generate_code(exec_list *instructions, bool 
*has_control_flow,
          break;
 
       case BRW_OPCODE_IF:
+         *has_control_flow = true;
         if (inst->src[0].file != BAD_FILE) {
            /* The instruction has an embedded compare (only allowed on gen6) */
            assert(brw->gen == 6);
@@ -1640,6 +1641,7 @@ fs_generator::generate_code(exec_list *instructions, bool 
*has_control_flow,
         break;
 
       case BRW_OPCODE_WHILE:
+         *has_control_flow = true;
         brw_WHILE(p);
         break;
 
diff --git a/src/mesa/drivers/dri/i965/gen8_fs_generator.cpp 
b/src/mesa/drivers/dri/i965/gen8_fs_generator.cpp
index 7009c6b..086c84c 100644
--- a/src/mesa/drivers/dri/i965/gen8_fs_generator.cpp
+++ b/src/mesa/drivers/dri/i965/gen8_fs_generator.cpp
@@ -1057,6 +1057,7 @@ gen8_fs_generator::generate_code(exec_list *instructions,
          break;
 
       case BRW_OPCODE_IF:
+         *has_control_flow = true;
          IF(BRW_PREDICATE_NORMAL);
          break;
 
@@ -1081,6 +1082,7 @@ gen8_fs_generator::generate_code(exec_list *instructions,
          break;
 
       case BRW_OPCODE_WHILE:
+         *has_control_flow = true;
          WHILE();
          break;
 
-- 
1.8.3.2

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