1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
|
/*
* Copyright © 2010 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
/**
* \file ir_optimization.h
*
* 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 POW_TO_EXP2 0x08
#define LOG_TO_LOG2 0x10
#define MOD_TO_FLOOR 0x20
#define INT_DIV_TO_MUL_RCP 0x40
#define LDEXP_TO_ARITH 0x80
#define CARRY_TO_ARITH 0x100
#define BORROW_TO_ARITH 0x200
#define SAT_TO_CLAMP 0x400
#define DOPS_TO_DFRAC 0x800
#define DFREXP_DLDEXP_TO_ARITH 0x1000
/**
* \see class lower_packing_builtins_visitor
*/
enum lower_packing_builtins_op {
LOWER_PACK_UNPACK_NONE = 0x0000,
LOWER_PACK_SNORM_2x16 = 0x0001,
LOWER_UNPACK_SNORM_2x16 = 0x0002,
LOWER_PACK_UNORM_2x16 = 0x0004,
LOWER_UNPACK_UNORM_2x16 = 0x0008,
LOWER_PACK_HALF_2x16 = 0x0010,
LOWER_UNPACK_HALF_2x16 = 0x0020,
LOWER_PACK_HALF_2x16_TO_SPLIT = 0x0040,
LOWER_UNPACK_HALF_2x16_TO_SPLIT = 0x0080,
LOWER_PACK_SNORM_4x8 = 0x0100,
LOWER_UNPACK_SNORM_4x8 = 0x0200,
LOWER_PACK_UNORM_4x8 = 0x0400,
LOWER_UNPACK_UNORM_4x8 = 0x0800,
LOWER_PACK_USE_BFI = 0x1000,
LOWER_PACK_USE_BFE = 0x2000,
};
bool do_common_optimization(exec_list *ir, bool linked,
bool uniform_locations_assigned,
const struct gl_shader_compiler_options *options,
bool native_integers);
bool do_rebalance_tree(exec_list *instructions);
bool do_algebraic(exec_list *instructions, bool native_integers,
const struct gl_shader_compiler_options *options);
bool opt_conditional_discard(exec_list *instructions);
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);
void do_dead_builtin_varyings(struct gl_context *ctx,
gl_shader *producer, gl_shader *consumer,
unsigned num_tfeedback_decls,
class tfeedback_decl *tfeedback_decls);
bool do_dead_code(exec_list *instructions, bool uniform_locations_assigned);
bool do_dead_code_local(exec_list *instructions);
bool do_dead_code_unlinked(exec_list *instructions);
bool do_dead_functions(exec_list *instructions);
bool opt_flip_matrices(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);
bool do_if_simplification(exec_list *instructions);
bool opt_flatten_nested_if_blocks(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_minmax_prune(exec_list *instructions);
bool do_noop_swizzle(exec_list *instructions);
bool do_structure_splitting(exec_list *instructions);
bool do_swizzle_swizzle(exec_list *instructions);
bool do_vectorize(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);
void lower_discard_flow(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(gl_shader_stage stage,
exec_list *instructions, bool lower_input, bool lower_output,
bool lower_temp, bool lower_uniform);
bool lower_quadop_vector(exec_list *instructions, bool dont_lower_swz);
bool lower_const_arrays_to_uniforms(exec_list *instructions);
bool lower_clip_distance(gl_shader *shader);
void lower_output_reads(unsigned stage, exec_list *instructions);
bool lower_packing_builtins(exec_list *instructions, int op_mask);
void lower_shared_reference(struct gl_shader *shader, unsigned *shared_size);
void lower_ubo_reference(struct gl_shader *shader);
void lower_packed_varyings(void *mem_ctx,
unsigned locations_used, ir_variable_mode mode,
unsigned gs_input_vertices, gl_shader *shader);
bool lower_vector_insert(exec_list *instructions, bool lower_nonconstant_index);
bool lower_vector_derefs(gl_shader *shader);
void lower_named_interface_blocks(void *mem_ctx, gl_shader *shader);
bool optimize_redundant_jumps(exec_list *instructions);
bool optimize_split_arrays(exec_list *instructions, bool linked);
bool lower_offset_arrays(exec_list *instructions);
void optimize_dead_builtin_variables(exec_list *instructions,
enum ir_variable_mode other);
bool lower_tess_level(gl_shader *shader);
bool lower_vertex_id(gl_shader *shader);
bool lower_subroutine(exec_list *instructions, struct _mesa_glsl_parse_state *state);
ir_rvalue *
compare_index_block(exec_list *instructions, ir_variable *index,
unsigned base, unsigned components, void *mem_ctx);
|
