1 /*
2 * Copyright © 2015 Intel Corporation
3 * Copyright © Microsoft Corporation
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
14 * Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
22 * IN THE SOFTWARE.
23 */
24
25 /*
26 * A simple executable that opens a SPIR-V shader, converts it to DXIL via
27 * NIR, and dumps out the result. This should be useful for testing the
28 * nir_to_dxil code. Based on spirv2nir.c.
29 */
30
31 #include "nir_to_dxil.h"
32 #include "spirv/nir_spirv.h"
33 #include "spirv_to_dxil.h"
34
35 #include "util/os_file.h"
36 #include <errno.h>
37 #include <getopt.h>
38 #include <stdio.h>
39 #include <string.h>
40
41 #define WORD_SIZE 4
42
43 static gl_shader_stage
stage_to_enum(char * stage)44 stage_to_enum(char *stage)
45 {
46 if (!strcmp(stage, "vertex"))
47 return MESA_SHADER_VERTEX;
48 else if (!strcmp(stage, "tess-ctrl"))
49 return MESA_SHADER_TESS_CTRL;
50 else if (!strcmp(stage, "tess-eval"))
51 return MESA_SHADER_TESS_EVAL;
52 else if (!strcmp(stage, "geometry"))
53 return MESA_SHADER_GEOMETRY;
54 else if (!strcmp(stage, "fragment"))
55 return MESA_SHADER_FRAGMENT;
56 else if (!strcmp(stage, "compute"))
57 return MESA_SHADER_COMPUTE;
58 else if (!strcmp(stage, "kernel"))
59 return MESA_SHADER_KERNEL;
60 else
61 return MESA_SHADER_NONE;
62 }
63
64 int
main(int argc,char ** argv)65 main(int argc, char **argv)
66 {
67 gl_shader_stage shader_stage = MESA_SHADER_FRAGMENT;
68 char *entry_point = "main";
69 char *output_file = "";
70 int ch;
71
72 static struct option long_options[] = {
73 {"stage", required_argument, 0, 's'},
74 {"entry", required_argument, 0, 'e'},
75 {"output", required_argument, 0, 'o'},
76 {0, 0, 0, 0}};
77
78 while ((ch = getopt_long(argc, argv, "s:e:o:", long_options, NULL)) !=
79 -1) {
80 switch (ch) {
81 case 's':
82 shader_stage = stage_to_enum(optarg);
83 if (shader_stage == MESA_SHADER_NONE) {
84 fprintf(stderr, "Unknown stage %s\n", optarg);
85 return 1;
86 }
87 break;
88 case 'e':
89 entry_point = optarg;
90 break;
91 case 'o':
92 output_file = optarg;
93 break;
94 default:
95 fprintf(stderr, "Unrecognized option.\n");
96 return 1;
97 }
98 }
99
100 if (optind != argc - 1) {
101 if (optind < argc)
102 fprintf(stderr, "Please specify only one input file.");
103 else
104 fprintf(stderr, "Please specify an input file.");
105 return 1;
106 }
107
108 const char *filename = argv[optind];
109 size_t file_size;
110 char *file_contents = os_read_file(filename, &file_size);
111 if (!file_contents) {
112 fprintf(stderr, "Failed to open %s\n", filename);
113 return 1;
114 }
115
116 if (file_size % WORD_SIZE != 0) {
117 fprintf(stderr, "%s size == %zu is not a multiple of %d\n", filename,
118 file_size, WORD_SIZE);
119 return 1;
120 }
121
122 size_t word_count = file_size / WORD_SIZE;
123
124 struct dxil_spirv_runtime_conf conf;
125 memset(&conf, 0, sizeof(conf));
126 conf.runtime_data_cbv.base_shader_register = 0;
127 conf.runtime_data_cbv.register_space = 31;
128 conf.zero_based_vertex_instance_id = true;
129
130 struct dxil_spirv_object obj;
131 memset(&obj, 0, sizeof(obj));
132 if (spirv_to_dxil((uint32_t *)file_contents, word_count, NULL, 0,
133 (dxil_spirv_shader_stage)shader_stage, entry_point,
134 &conf, &obj)) {
135 FILE *file = fopen(output_file, "wb");
136 if (!file) {
137 fprintf(stderr, "Failed to open %s, %s\n", output_file,
138 strerror(errno));
139 spirv_to_dxil_free(&obj);
140 free(file_contents);
141 return 1;
142 }
143
144 fwrite(obj.binary.buffer, sizeof(char), obj.binary.size, file);
145 fclose(file);
146 spirv_to_dxil_free(&obj);
147 } else {
148 fprintf(stderr, "Compilation failed\n");
149 return 1;
150 }
151
152 free(file_contents);
153
154 return 0;
155 }
156