/* * Copyright 2017 Józef Kucia for CodeWeavers * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ #include #include #include #include #include "vkd3d_common.h" #include "vkd3d_shader.h" static bool read_shader(struct vkd3d_shader_code *shader, const char *filename) { struct stat st; void *code; FILE *fd; memset(shader, 0, sizeof(*shader)); if (stat(filename, &st) == -1) { fprintf(stderr, "Could not stat file: '%s'.\n", filename); return false; } shader->size = st.st_size; if (!(fd = fopen(filename, "rb"))) { fprintf(stderr, "Cannot open file for reading: '%s'.\n", filename); return false; } if (!(code = malloc(sizeof(uint32_t) * shader->size))) { fprintf(stderr, "Out of memory.\n"); fclose(fd); return false; } shader->code = code; if (fread(code, 1, shader->size, fd) != shader->size) { fprintf(stderr, "Could not read shader bytecode from file: '%s'.\n", filename); free(code); fclose(fd); return false; } fclose(fd); return true; } static bool write_shader(const struct vkd3d_shader_code *shader, const char *filename) { FILE *fd; if (!(fd = fopen(filename, "wb"))) { fprintf(stderr, "Cannot open file for writing: '%s'.\n", filename); return false; } if (fwrite(shader->code, 1, shader->size, fd) != shader->size) fprintf(stderr, "Could not write shader bytecode to file: '%s'.\n", filename); fclose(fd); return true; } static const struct { const char *name; enum vkd3d_shader_compiler_option compiler_option; } compiler_options[] = { {"--flip-y", VKD3D_SHADER_FLIP_Y}, {"--strip-debug", VKD3D_SHADER_STRIP_DEBUG}, }; struct options { const char *filename; const char *output_filename; uint32_t compiler_options; }; static bool parse_command_line(int argc, char **argv, struct options *options) { unsigned int i, j; if (argc < 2) return false; memset(options, 0, sizeof(*options)); for (i = 1; i < argc - 1; ++i) { if (!strcmp(argv[i], "-o")) { if (i + 1 >= argc - 1) return false; options->output_filename = argv[++i]; continue; } for (j = 0; j < ARRAY_SIZE(compiler_options); ++j) { if (!strcmp(argv[i], compiler_options[j].name)) { options->compiler_options |= compiler_options[j].compiler_option; break; } } if (j == ARRAY_SIZE(compiler_options)) return false; } options->filename = argv[argc - 1]; return true; } int main(int argc, char **argv) { struct vkd3d_shader_code dxbc, spirv; struct options options; HRESULT hr; if (!parse_command_line(argc, argv, &options)) { fprintf(stderr, "usage: %s [--strip-degug] [--flip-y] [-o ] \n", argv[0]); return 1; } if (!read_shader(&dxbc, options.filename)) { fprintf(stderr, "Failed to read DXBC shader.\n"); return 1; } hr = vkd3d_shader_compile_dxbc(&dxbc, &spirv, options.compiler_options); vkd3d_shader_free_shader_code(&dxbc); if (FAILED(hr)) { fprintf(stderr, "Failed to compile DXBC shader, hr %#x.\n", hr); return 1; } if (options.output_filename) write_shader(&spirv, options.output_filename); vkd3d_shader_free_shader_code(&spirv); return 0; }