glsl: Skip processing of expression trees in discard simplification.

[mesa.git] / src / glsl / ir_optimization.h

diff --git a/src/glsl/ir_optimization.h b/src/glsl/ir_optimization.h
index fa497a45551419ac136c0ce04ba9c6d7dce6fc0d..dd265673c55ba24db0209e5afe5a5c8a58a7b98a 100644 (file)
--- a/src/glsl/ir_optimization.h
+++ b/src/glsl/ir_optimization.h
@@ -32,8 +32,9 @@
 #define SUB_TO_ADD_NEG 0x01
 #define DIV_TO_MUL_RCP 0x02
 #define EXP_TO_EXP2    0x04
-#define LOG_TO_LOG2    0x08
-#define MOD_TO_FRACT   0x10
+#define POW_TO_EXP2    0x08
+#define LOG_TO_LOG2    0x10
+#define MOD_TO_FRACT   0x20
 
 bool do_common_optimization(exec_list *ir, bool linked, unsigned max_unroll_iterations);
 
@@ -42,6 +43,7 @@ bool do_constant_folding(exec_list *instructions);
 bool do_constant_variable(exec_list *instructions);
 bool do_constant_variable_unlinked(exec_list *instructions);
 bool do_copy_propagation(exec_list *instructions);
+bool do_copy_propagation_elements(exec_list *instructions);
 bool do_constant_propagation(exec_list *instructions);
 bool do_dead_code(exec_list *instructions);
 bool do_dead_code_local(exec_list *instructions);
@@ -51,7 +53,8 @@ bool do_function_inlining(exec_list *instructions);
 bool do_lower_jumps(exec_list *instructions, bool pull_out_jumps = true, bool lower_sub_return = true, bool lower_main_return = false, bool lower_continue = false, bool lower_break = false);
 bool do_lower_texture_projection(exec_list *instructions);
 bool do_if_simplification(exec_list *instructions);
-bool do_if_to_cond_assign(exec_list *instructions);
+bool do_discard_simplification(exec_list *instructions);
+bool lower_if_to_cond_assign(exec_list *instructions, unsigned max_depth = 0);
 bool do_mat_op_to_vec(exec_list *instructions);
 bool do_mod_to_fract(exec_list *instructions);
 bool do_noop_swizzle(exec_list *instructions);
@@ -61,6 +64,7 @@ bool do_swizzle_swizzle(exec_list *instructions);
 bool do_tree_grafting(exec_list *instructions);
 bool do_vec_index_to_cond_assign(exec_list *instructions);
 bool do_vec_index_to_swizzle(exec_list *instructions);
+bool lower_discard(exec_list *instructions);
 bool lower_instructions(exec_list *instructions, unsigned what_to_lower);
 bool lower_noise(exec_list *instructions);
 bool lower_variable_index_to_cond_assign(exec_list *instructions,