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authorKenneth Graunke <[email protected]>2010-11-18 17:54:07 -0800
committerIan Romanick <[email protected]>2010-11-19 15:56:28 -0800
commit63684a9ae7a66f68df1f2c68cd9358e5622122a3 (patch)
tree40a926458dc68e96bf9ffa9197e0a448b4c9a265 /src/glsl/ir_optimization.h
parentb943fb94bf50f20b773dc63558feb6b9480b8a28 (diff)
glsl: Combine many instruction lowering passes into one.
This should save on the overhead of tree-walking and provide a convenient place to add more instruction lowering in the future. Signed-off-by: Ian Romanick <[email protected]>
Diffstat (limited to 'src/glsl/ir_optimization.h')
-rw-r--r--src/glsl/ir_optimization.h10
1 files changed, 8 insertions, 2 deletions
diff --git a/src/glsl/ir_optimization.h b/src/glsl/ir_optimization.h
index 1f8da16bcb2..fa497a45551 100644
--- a/src/glsl/ir_optimization.h
+++ b/src/glsl/ir_optimization.h
@@ -28,6 +28,13 @@
* Prototypes for optimization passes to be called by the compiler and drivers.
*/
+/* Operations for lower_instructions() */
+#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
+
bool do_common_optimization(exec_list *ir, bool linked, unsigned max_unroll_iterations);
bool do_algebraic(exec_list *instructions);
@@ -40,8 +47,6 @@ bool do_dead_code(exec_list *instructions);
bool do_dead_code_local(exec_list *instructions);
bool do_dead_code_unlinked(exec_list *instructions);
bool do_dead_functions(exec_list *instructions);
-bool do_div_to_mul_rcp(exec_list *instructions);
-bool do_explog_to_explog2(exec_list *instructions);
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);
@@ -56,6 +61,7 @@ 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_instructions(exec_list *instructions, unsigned what_to_lower);
bool lower_noise(exec_list *instructions);
bool lower_variable_index_to_cond_assign(exec_list *instructions,
bool lower_input, bool lower_output, bool lower_temp, bool lower_uniform);