2 * Copyright © 2015 Intel Corporation
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
24 * Jason Ekstrand (jason@jlekstrand.net)
29 * A simple executable that opens a SPIR-V shader, converts it to NIR, and
30 * dumps out the result. This should be useful for testing the
34 #include "spirv/nir_spirv.h"
37 #include <sys/types.h>
46 int main(int argc
, char **argv
)
48 int fd
= open(argv
[1], O_RDONLY
);
51 fprintf(stderr
, "Failed to open %s\n", argv
[1]);
55 off_t len
= lseek(fd
, 0, SEEK_END
);
56 if (len
% WORD_SIZE
!= 0)
58 fprintf(stderr
, "File length isn't a multiple of the word size\n");
59 fprintf(stderr
, "Are you sure this is a valid SPIR-V shader?\n");
64 size_t word_count
= len
/ WORD_SIZE
;
66 const void *map
= mmap(NULL
, len
, PROT_READ
, MAP_PRIVATE
, fd
, 0);
67 if (map
== MAP_FAILED
)
69 fprintf(stderr
, "Failed to mmap the file: errno=%d, %s\n",
70 errno
, strerror(errno
));
75 glsl_type_singleton_init_or_ref();
77 struct spirv_to_nir_options spirv_opts
= {0};
79 nir_shader
*nir
= spirv_to_nir(map
, word_count
, NULL
, 0,
80 MESA_SHADER_FRAGMENT
, "main",
82 nir_print_shader(nir
, stderr
);
84 glsl_type_singleton_decref();