1 /* -*- mesa-c++ -*-
2 * Copyright 2019 Collabora LTD
3 * Author: Gert Wollny <[email protected]>
4 * SPDX-License-Identifier: MIT
5 */
6
7 #ifndef SFN_NIR_H
8 #define SFN_NIR_H
9
10 #include "gallium/include/pipe/p_state.h"
11
12 #include "amd_family.h"
13 #include "nir.h"
14 #include "nir_builder.h"
15
16 #ifdef __cplusplus
17 #include "sfn_shader.h"
18
19 #include <vector>
20
21 namespace r600 {
22
23 class NirLowerInstruction {
24 public:
25 NirLowerInstruction();
26
27 bool run(nir_shader *shader);
28
29 private:
30 static bool filter_instr(const nir_instr *instr, const void *data);
31 static nir_def *lower_instr(nir_builder *b, nir_instr *instr, void *data);
32
set_builder(nir_builder * _b)33 void set_builder(nir_builder *_b) { b = _b; }
34
35 virtual bool filter(const nir_instr *instr) const = 0;
36 virtual nir_def *lower(nir_instr *instr) = 0;
37
38 protected:
39 nir_builder *b;
40 };
41
42 bool
43 r600_lower_scratch_addresses(nir_shader *shader);
44
45 bool
46 r600_lower_ubo_to_align16(nir_shader *shader);
47
48 bool
49 r600_nir_split_64bit_io(nir_shader *sh);
50
51 bool
52 r600_nir_64_to_vec2(nir_shader *sh);
53
54 bool
55 r600_merge_vec2_stores(nir_shader *shader);
56
57 bool
58 r600_split_64bit_uniforms_and_ubo(nir_shader *sh);
59 bool
60 r600_lower_64bit_to_vec2(nir_shader *sh);
61 bool
62 r600_split_64bit_alu_and_phi(nir_shader *sh);
63 bool
64 r600_lower_clipvertex_to_clipdist(nir_shader *sh);
65
66 class AssemblyFromShader {
67 public:
68 virtual ~AssemblyFromShader();
69 bool lower(const Shader& s);
70
71 private:
72 virtual bool do_lower(const Shader& s) = 0;
73 };
74
75 } // namespace r600
76
77 static inline nir_def *
r600_imm_ivec3(nir_builder * build,int x,int y,int z)78 r600_imm_ivec3(nir_builder *build, int x, int y, int z)
79 {
80 nir_const_value v[3] = {
81 nir_const_value_for_int(x, 32),
82 nir_const_value_for_int(y, 32),
83 nir_const_value_for_int(z, 32),
84 };
85
86 return nir_build_imm(build, 3, 32, v);
87 }
88
89 bool
90 r600_lower_tess_io(nir_shader *shader, enum mesa_prim prim_type);
91 bool
92 r600_append_tcs_TF_emission(nir_shader *shader, enum mesa_prim prim_type);
93
94 bool
95 r600_legalize_image_load_store(nir_shader *shader);
96
97 void
98 r600_finalize_and_optimize_shader(r600::Shader *shader);
99 r600::Shader *
100 r600_schedule_shader(r600::Shader *shader);
101
102 #else
103 #include "gallium/drivers/r600/r600_shader.h"
104 #endif
105
106 #ifdef __cplusplus
107 extern "C" {
108 #endif
109
110 bool
111 r600_vectorize_vs_inputs(nir_shader *shader);
112
113 bool
114 r600_lower_to_scalar_instr_filter(const nir_instr *instr, const void *);
115
116 void
117 r600_lower_and_optimize_nir(nir_shader *sh,
118 const union r600_shader_key *key,
119 enum amd_gfx_level gfx_level,
120 struct pipe_stream_output_info *so_info);
121
122 void
123 r600_finalize_nir_common(nir_shader *nir, enum amd_gfx_level gfx_level);
124
125 #ifdef __cplusplus
126 }
127 #endif
128
129 #endif // SFN_NIR_H
130