src/gallium/drivers/etnaviv/etnaviv_compiler_cmdline.c

   1 /*
   2  * Copyright (c) 2015 Etnaviv Project
   3  *
   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, sub license,
   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:
  10  *
  11  * The above copyright notice and this permission notice (including the
  12  * next paragraph) shall be included in all copies or substantial portions
  13  * of the Software.
  14  *
  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 NON-INFRINGEMENT. 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
  21  * DEALINGS IN THE SOFTWARE.
  22  *
  23  * Authors:
  24  *    Rob Clark <robclark@freedesktop.org>
  25  *    Christian Gmeiner <christian.gmeiner@gmail.com>
  26  */
  27
  28 #include <err.h>
  29 #include <fcntl.h>
  30 #include <sys/mman.h>
  31 #include <sys/stat.h>
  32 #include <unistd.h>
  33
  34 #include "tgsi/tgsi_dump.h"
  35 #include "tgsi/tgsi_parse.h"
  36 #include "tgsi/tgsi_text.h"
  37
  38 #include "etnaviv_compiler.h"
  39 #include "etnaviv_debug.h"
  40 #include "etnaviv_internal.h"
  41 #include "etnaviv_shader.h"
  42
  43 #include "util/u_memory.h"
  44
  45 static const struct etna_specs specs_gc2000 = {
  46    .vs_need_z_div = 0,
  47    .has_sin_cos_sqrt = 1,
  48    .has_sign_floor_ceil = 1,
  49    .vertex_sampler_offset = 8,
  50    .vertex_output_buffer_size = 512,
  51    .vertex_cache_size = 16,
  52    .shader_core_count = 4,
  53    .max_instructions = 512,
  54    .max_varyings = 12,
  55    .max_registers = 64,
  56    .max_vs_uniforms = 168,
  57    .max_ps_uniforms = 128,
  58    .num_constants = 168,
  59 };
  60
  61 static int
  62 read_file(const char *filename, void **ptr, size_t *size)
  63 {
  64    int fd, ret;
  65    struct stat st;
  66
  67    *ptr = MAP_FAILED;
  68
  69    fd = open(filename, O_RDONLY);
  70    if (fd == -1) {
  71       warnx("couldn't open `%s'", filename);
  72       return 1;
  73    }
  74
  75    ret = fstat(fd, &st);
  76    if (ret)
  77       errx(1, "couldn't stat `%s'", filename);
  78
  79    *size = st.st_size;
  80    *ptr = mmap(NULL, st.st_size, PROT_READ, MAP_SHARED, fd, 0);
  81    if (*ptr == MAP_FAILED)
  82       errx(1, "couldn't map `%s'", filename);
  83
  84    close(fd);
  85
  86    return 0;
  87 }
  88
  89 static void
  90 print_usage(void)
  91 {
  92    printf("Usage: etnaviv_compiler [OPTIONS]... FILE\n");
  93    printf("    --verbose         - verbose compiler/debug messages\n");
  94    printf("    --frag-rb-swap    - swap rb in color output (FRAG)\n");
  95    printf("    --help            - show this message\n");
  96 }
  97
  98 int
  99 main(int argc, char **argv)
 100 {
 101    int ret = 0, n = 1;
 102    const char *filename;
 103    struct tgsi_token toks[65536];
 104    struct tgsi_parse_context parse;
 105    struct etna_shader s = {};
 106    struct etna_shader_key key = {};
 107    void *ptr;
 108    size_t size;
 109
 110    struct etna_shader_variant *v = CALLOC_STRUCT(etna_shader_variant);
 111    if (!v) {
 112       fprintf(stderr, "malloc failed!\n");
 113       return 1;
 114    }
 115
 116    etna_mesa_debug = ETNA_DBG_MSGS;
 117
 118    while (n < argc) {
 119       if (!strcmp(argv[n], "--verbose")) {
 120          etna_mesa_debug |= ETNA_DBG_COMPILER_MSGS;
 121          n++;
 122          continue;
 123       }
 124
 125       if (!strcmp(argv[n], "--frag-rb-swap")) {
 126          debug_printf(" %s", argv[n]);
 127          key.frag_rb_swap = true;
 128          n++;
 129          continue;
 130       }
 131
 132       if (!strcmp(argv[n], "--help")) {
 133          print_usage();
 134          return 0;
 135       }
 136
 137       break;
 138    }
 139
 140    filename = argv[n];
 141
 142    ret = read_file(filename, &ptr, &size);
 143    if (ret) {
 144       print_usage();
 145       return ret;
 146    }
 147
 148    debug_printf("%s\n", (char *)ptr);
 149
 150    if (!tgsi_text_translate(ptr, toks, ARRAY_SIZE(toks)))
 151       errx(1, "could not parse `%s'", filename);
 152
 153    tgsi_parse_init(&parse, toks);
 154
 155    s.specs = &specs_gc2000;
 156    s.tokens = toks;
 157
 158    v->shader = &s;
 159    v->key = key;
 160
 161    if (!etna_compile_shader(v)) {
 162       fprintf(stderr, "compiler failed!\n");
 163       return 1;
 164    }
 165
 166    etna_dump_shader(v);
 167    etna_destroy_shader(v);
 168 }