i965: Make fs/vec4_visitor inherit from ir_visitor directly

This is using multiple inheritance in C++.  However, ir_visitor is really
just an interface with no data so it shouldn't be so bad.

Reviewed-by: Matt Turner <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>

3 files changed, 3 insertions, 3 deletions

diff --git a/src/mesa/drivers/dri/i965/brw_fs.h b/src/mesa/drivers/dri/i965/brw_fs.h
index f63b149dfcf..6f16c3140ac 100644
--- a/src/mesa/drivers/dri/i965/brw_fs.h
+++ b/src/mesa/drivers/dri/i965/brw_fs.h
@@ -66,7 +66,7 @@ namespace brw {
  *
  * Translates either GLSL IR or Mesa IR (for ARB_fragment_program) into FS IR.
  */
-class fs_visitor : public backend_shader
+class fs_visitor : public backend_shader, public ir_visitor
 {
 public:
    const fs_reg reg_null_f;
diff --git a/src/mesa/drivers/dri/i965/brw_shader.h b/src/mesa/drivers/dri/i965/brw_shader.h
index ac9acfc8cd9..da01d2f7185 100644
--- a/src/mesa/drivers/dri/i965/brw_shader.h
+++ b/src/mesa/drivers/dri/i965/brw_shader.h
@@ -211,7 +211,7 @@ enum instruction_scheduler_mode {
    SCHEDULE_POST,
 };
 
-class backend_shader : public ir_visitor {
+class backend_shader {
 protected:
 
    backend_shader(struct brw_context *brw,
diff --git a/src/mesa/drivers/dri/i965/brw_vec4.h b/src/mesa/drivers/dri/i965/brw_vec4.h
index f78134339ea..06a16a49b6f 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4.h
+++ b/src/mesa/drivers/dri/i965/brw_vec4.h
@@ -73,7 +73,7 @@ class vec4_live_variables;
  * Translates either GLSL IR or Mesa IR (for ARB_vertex_program and
  * fixed-function) into VS IR.
  */
-class vec4_visitor : public backend_shader
+class vec4_visitor : public backend_shader, public ir_visitor
 {
 public:
    vec4_visitor(struct brw_context *brw,