i965: Mark is_tex() and friends as const.

Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>

diff --git a/src/mesa/drivers/dri/i965/brw_shader.cpp b/src/mesa/drivers/dri/i965/brw_shader.cpp
index bbc5f3d..ca448d0 100644 (file)
--- a/src/mesa/drivers/dri/i965/brw_shader.cpp
+++ b/src/mesa/drivers/dri/i965/brw_shader.cpp
@@ -552,7 +552,7 @@ backend_visitor::backend_visitor(struct brw_context *brw,
 }
 
 bool
-backend_instruction::is_tex()
+backend_instruction::is_tex() const
 {
    return (opcode == SHADER_OPCODE_TEX ||
            opcode == FS_OPCODE_TXB ||
@@ -569,7 +569,7 @@ backend_instruction::is_tex()
 }
 
 bool
-backend_instruction::is_math()
+backend_instruction::is_math() const
 {
    return (opcode == SHADER_OPCODE_RCP ||
            opcode == SHADER_OPCODE_RSQ ||
@@ -584,7 +584,7 @@ backend_instruction::is_math()
 }
 
 bool
-backend_instruction::is_control_flow()
+backend_instruction::is_control_flow() const
 {
    switch (opcode) {
    case BRW_OPCODE_DO:
@@ -601,7 +601,7 @@ backend_instruction::is_control_flow()
 }
 
 bool
-backend_instruction::can_do_source_mods()
+backend_instruction::can_do_source_mods() const
 {
    switch (opcode) {
    case BRW_OPCODE_ADDC:
@@ -620,7 +620,7 @@ backend_instruction::can_do_source_mods()
 }
 
 bool
-backend_instruction::can_do_saturate()
+backend_instruction::can_do_saturate() const
 {
    switch (opcode) {
    case BRW_OPCODE_ADD:

diff --git a/src/mesa/drivers/dri/i965/brw_shader.h b/src/mesa/drivers/dri/i965/brw_shader.h
index 086d042..6bd7dc8 100644 (file)
--- a/src/mesa/drivers/dri/i965/brw_shader.h
+++ b/src/mesa/drivers/dri/i965/brw_shader.h
@@ -42,11 +42,11 @@ enum PACKED register_file {
 
 class backend_instruction : public exec_node {
 public:
-   bool is_tex();
-   bool is_math();
-   bool is_control_flow();
-   bool can_do_source_mods();
-   bool can_do_saturate();
+   bool is_tex() const;
+   bool is_math() const;
+   bool is_control_flow() const;
+   bool can_do_source_mods() const;
+   bool can_do_saturate() const;
 
    /**
     * True if the instruction has side effects other than writing to