src/panfrost/bifrost/cmdline.c

   1 /*
   2  * Copyright (C) 2019 Ryan Houdek <Sonicadvance1@gmail.com>
   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, 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:
  10  *
  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
  13  * 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 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 FROM,
  20  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  21  * SOFTWARE.
  22  */
  23
  24 #include "disassemble.h"
  25
  26 #include "main/mtypes.h"
  27 #include "compiler/glsl/standalone.h"
  28 #include "compiler/glsl/glsl_to_nir.h"
  29 #include "compiler/glsl/gl_nir.h"
  30 #include "compiler/nir_types.h"
  31 #include "util/u_dynarray.h"
  32
  33 #include "bifrost_compile.h"
  34
  35 static void
  36 compile_shader(char **argv)
  37 {
  38         struct gl_shader_program *prog;
  39         nir_shader *nir[2];
  40         unsigned shader_types[2] = {
  41                 MESA_SHADER_VERTEX,
  42                 MESA_SHADER_FRAGMENT,
  43         };
  44
  45         struct standalone_options options = {
  46                 .glsl_version = 430,
  47                 .do_link = true,
  48         };
  49
  50         static struct gl_context local_ctx;
  51
  52         prog = standalone_compile_shader(&options, 2, argv, &local_ctx);
  53         prog->_LinkedShaders[MESA_SHADER_FRAGMENT]->Program->info.stage = MESA_SHADER_FRAGMENT;
  54
  55         struct bifrost_program compiled;
  56         for (unsigned i = 0; i < 2; ++i) {
  57                 nir[i] = glsl_to_nir(&local_ctx, prog, shader_types[i], &bifrost_nir_options);
  58                 NIR_PASS_V(nir[i], nir_lower_global_vars_to_local);
  59                 NIR_PASS_V(nir[i], nir_split_var_copies);
  60                 NIR_PASS_V(nir[i], nir_lower_var_copies);
  61
  62                 NIR_PASS_V(nir[i], nir_lower_alu_to_scalar, NULL);
  63
  64                 /* before buffers and vars_to_ssa */
  65                 NIR_PASS_V(nir[i], gl_nir_lower_bindless_images);
  66
  67                 NIR_PASS_V(nir[i], gl_nir_lower_buffers, prog);
  68                 NIR_PASS_V(nir[i], nir_opt_constant_folding);
  69                 bifrost_compile_shader_nir(nir[i], &compiled);
  70         }
  71 }
  72
  73 static void
  74 disassemble(const char *filename)
  75 {
  76         FILE *fp = fopen(filename, "rb");
  77         assert(fp);
  78
  79         fseek(fp, 0, SEEK_END);
  80         int filesize = ftell(fp);
  81         rewind(fp);
  82
  83         unsigned char *code = malloc(filesize);
  84         int res = fread(code, 1, filesize, fp);
  85         if (res != filesize) {
  86                 printf("Couldn't read full file\n");
  87         }
  88         fclose(fp);
  89
  90         disassemble_bifrost(code, filesize, false);
  91         free(code);
  92 }
  93
  94 int
  95 main(int argc, char **argv)
  96 {
  97         if (argc < 2) {
  98                 printf("Pass a command\n");
  99                 exit(1);
 100         }
 101
 102         if (strcmp(argv[1], "compile") == 0)
 103                 compile_shader(&argv[2]);
 104         else if (strcmp(argv[1], "disasm") == 0)
 105                 disassemble(argv[2]);
 106         else
 107                 unreachable("Unknown command. Valid: compile/disasm");
 108
 109         return 0;
 110 }