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
148
149
150
151
152
153
|
/*
* Copyright © Microsoft 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.
*/
#include "spirv_to_dxil.h"
#include "nir_to_dxil.h"
#include "dxil_nir.h"
#include "shader_enums.h"
#include "spirv/nir_spirv.h"
#include "util/blob.h"
bool
spirv_to_dxil(const uint32_t *words, size_t word_count,
struct dxil_spirv_specialization *specializations,
unsigned int num_specializations, dxil_spirv_shader_stage stage,
const char *entry_point_name, void **buffer, size_t *size)
{
if (stage == MESA_SHADER_NONE || stage == MESA_SHADER_KERNEL)
return false;
struct spirv_to_nir_options spirv_opts = {0};
spirv_opts.ubo_addr_format = nir_address_format_32bit_index_offset;
spirv_opts.ssbo_addr_format = nir_address_format_32bit_index_offset;
glsl_type_singleton_init_or_ref();
struct nir_shader_compiler_options nir_options = *dxil_get_nir_compiler_options();
// We will manually handle base_vertex
nir_options.lower_base_vertex = false;
nir_shader *nir = spirv_to_nir(
words, word_count, (struct nir_spirv_specialization *)specializations,
num_specializations, (gl_shader_stage)stage, entry_point_name,
&spirv_opts, &nir_options);
if (!nir) {
glsl_type_singleton_decref();
return false;
}
nir_validate_shader(nir,
"Validate before feeding NIR to the DXIL compiler");
NIR_PASS_V(nir, nir_lower_system_values);
// vertex_id and instance_id should have already been transformed to base
// zero before spirv_to_dxil was called. Also, WebGPU does not support
// base/firstVertex/Instance.
gl_system_value system_values[] = {
SYSTEM_VALUE_FIRST_VERTEX,
SYSTEM_VALUE_BASE_VERTEX,
SYSTEM_VALUE_BASE_INSTANCE
};
NIR_PASS_V(nir, dxil_nir_lower_system_values_to_zero, system_values, ARRAY_SIZE(system_values));
NIR_PASS_V(nir, nir_split_per_member_structs);
NIR_PASS_V(nir, nir_lower_explicit_io, nir_var_mem_ubo | nir_var_mem_ssbo,
nir_address_format_32bit_index_offset);
nir_variable_mode nir_var_function_temp =
nir_var_shader_in | nir_var_shader_out;
NIR_PASS_V(nir, nir_lower_variable_initializers,
nir_var_function_temp);
NIR_PASS_V(nir, nir_opt_deref);
NIR_PASS_V(nir, nir_lower_returns);
NIR_PASS_V(nir, nir_inline_functions);
NIR_PASS_V(nir, nir_lower_variable_initializers,
~nir_var_function_temp);
// Pick off the single entrypoint that we want.
nir_function *entrypoint;
foreach_list_typed_safe(nir_function, func, node, &nir->functions) {
if (func->is_entrypoint)
entrypoint = func;
else
exec_node_remove(&func->node);
}
assert(exec_list_length(&nir->functions) == 1);
NIR_PASS_V(nir, nir_lower_clip_cull_distance_arrays);
NIR_PASS_V(nir, nir_lower_io_to_temporaries, entrypoint->impl, true, true);
NIR_PASS_V(nir, nir_lower_global_vars_to_local);
NIR_PASS_V(nir, nir_split_var_copies);
NIR_PASS_V(nir, nir_lower_var_copies);
NIR_PASS_V(nir, nir_lower_io_arrays_to_elements_no_indirects, false);
NIR_PASS_V(nir, nir_lower_alu_to_scalar, NULL, NULL);
NIR_PASS_V(nir, nir_opt_dce);
NIR_PASS_V(nir, dxil_nir_lower_double_math);
{
bool progress;
do
{
progress = false;
NIR_PASS(progress, nir, nir_copy_prop);
NIR_PASS(progress, nir, nir_opt_copy_prop_vars);
NIR_PASS(progress, nir, nir_opt_deref);
NIR_PASS(progress, nir, nir_opt_dce);
NIR_PASS(progress, nir, nir_opt_undef);
NIR_PASS(progress, nir, nir_opt_constant_folding);
NIR_PASS(progress, nir, nir_opt_cse);
NIR_PASS(progress, nir, nir_lower_vars_to_ssa);
NIR_PASS(progress, nir, nir_opt_algebraic);
} while (progress);
}
NIR_PASS_V(nir, nir_lower_readonly_images_to_tex, true);
NIR_PASS_V(nir, dxil_nir_split_clip_cull_distance);
NIR_PASS_V(nir, dxil_nir_lower_loads_stores_to_dxil);
nir_shader_gather_info(nir, nir_shader_get_entrypoint(nir));
struct nir_to_dxil_options opts = {.vulkan_environment = true};
struct blob dxil_blob;
if (!nir_to_dxil(nir, &opts, &dxil_blob)) {
if (dxil_blob.allocated)
blob_finish(&dxil_blob);
glsl_type_singleton_decref();
return false;
}
blob_finish_get_buffer(&dxil_blob, buffer, size);
glsl_type_singleton_decref();
return true;
}
void
spirv_to_dxil_free(void* buffer)
{
free(buffer);
}
|
