1 /* 2 * Copyright 2014 Intel Corporation 3 * Copyright 2016 Advanced Micro Devices, Inc. 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 22 * DEALINGS IN THE SOFTWARE. 23 */ 24 25 /** 26 * This program reads and compiles multiple GLSL shaders from one source file. 27 * Each shader must begin with the #shader directive. Syntax: 28 * #shader [vs|tcs|tes|gs|ps|cs] [name] 29 * 30 * The shader name is printed, followed by the stderr output from 31 * glCreateShaderProgramv. (radeonsi prints the shader disassembly there) 32 * 33 * The optional parameter -mcpu=[processor] forces radeonsi to compile for 34 * the specified GPU processor. (e.g. tahiti, bonaire, tonga) 35 * 36 * The program doesn't check if the underlying driver is really radeonsi. 37 * OpenGL 4.3 Core profile is required. 38 */ 39 40 /* for asprintf() */ 41 #define _GNU_SOURCE 42 43 #include <stdio.h> 44 #include <fcntl.h> 45 #include <string.h> 46 #include <stdlib.h> 47 48 #include <epoxy/gl.h> 49 #include <epoxy/egl.h> 50 #include <gbm.h> 51 52 #define unlikely(x) __builtin_expect(!!(x), 0) 53 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) 54 55 static int fd; 56 static EGLDisplay egl_dpy; 57 static EGLContext ctx; 58 59 static void 60 create_gl_core_context() 61 { 62 const char *client_extensions = eglQueryString(EGL_NO_DISPLAY, 63 EGL_EXTENSIONS); 64 if (!client_extensions) { 65 fprintf(stderr, "ERROR: Missing EGL_EXT_client_extensions\n"); 66 exit(1); 67 } 68 69 if (!strstr(client_extensions, "EGL_MESA_platform_gbm")) { 70 fprintf(stderr, "ERROR: Missing EGL_MESA_platform_gbm\n"); 71 exit(1); 72 } 73 74 fd = open("/dev/dri/renderD128", O_RDWR); 75 if (unlikely(fd < 0)) { 76 fprintf(stderr, "ERROR: Couldn't open /dev/dri/renderD128\n"); 77 exit(1); 78 } 79 80 struct gbm_device *gbm = gbm_create_device(fd); 81 if (unlikely(gbm == NULL)) { 82 fprintf(stderr, "ERROR: Couldn't create gbm device\n"); 83 exit(1); 84 } 85 86 egl_dpy = eglGetPlatformDisplayEXT(EGL_PLATFORM_GBM_MESA, 87 gbm, NULL); 88 if (unlikely(egl_dpy == EGL_NO_DISPLAY)) { 89 fprintf(stderr, "ERROR: eglGetDisplay() failed\n"); 90 exit(1); 91 } 92 93 if (unlikely(!eglInitialize(egl_dpy, NULL, NULL))) { 94 fprintf(stderr, "ERROR: eglInitialize() failed\n"); 95 exit(1); 96 } 97 98 static const char *egl_extension[] = { 99 "EGL_KHR_create_context", 100 "EGL_KHR_surfaceless_context" 101 }; 102 const char *extension_string = eglQueryString(egl_dpy, EGL_EXTENSIONS); 103 for (int i = 0; i < ARRAY_SIZE(egl_extension); i++) { 104 if (strstr(extension_string, egl_extension[i]) == NULL) { 105 fprintf(stderr, "ERROR: Missing %s\n", egl_extension[i]); 106 exit(1); 107 } 108 } 109 110 static const EGLint config_attribs[] = { 111 EGL_RENDERABLE_TYPE, EGL_OPENGL_BIT, 112 EGL_NONE 113 }; 114 EGLConfig cfg; 115 EGLint count; 116 117 if (!eglChooseConfig(egl_dpy, config_attribs, &cfg, 1, &count) || 118 count == 0) { 119 fprintf(stderr, "ERROR: eglChooseConfig() failed\n"); 120 exit(1); 121 } 122 eglBindAPI(EGL_OPENGL_API); 123 124 static const EGLint attribs[] = { 125 EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR, 126 EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR, 127 EGL_CONTEXT_MAJOR_VERSION_KHR, 4, 128 EGL_CONTEXT_MINOR_VERSION_KHR, 3, 129 EGL_NONE 130 }; 131 ctx = eglCreateContext(egl_dpy, cfg, EGL_NO_CONTEXT, attribs); 132 if (ctx == EGL_NO_CONTEXT) { 133 fprintf(stderr, "eglCreateContext(GL 3.2) failed.\n"); 134 exit(1); 135 } 136 137 if (!eglMakeCurrent(egl_dpy, EGL_NO_SURFACE, EGL_NO_SURFACE, ctx)) { 138 fprintf(stderr, "eglMakeCurrent failed.\n"); 139 exit(1); 140 } 141 } 142 143 static char * 144 read_file(const char *filename) 145 { 146 FILE *f = fopen(filename, "r"); 147 if (!f) { 148 fprintf(stderr, "Can't open file: %s\n", filename); 149 exit(1); 150 } 151 152 fseek(f, 0, SEEK_END); 153 int filesize = ftell(f); 154 fseek(f, 0, SEEK_SET); 155 156 char *input = (char*)malloc(filesize + 1); 157 if (!input) { 158 fprintf(stderr, "malloc failed\n"); 159 exit(1); 160 } 161 162 if (fread(input, filesize, 1, f) != 1) { 163 fprintf(stderr, "fread failed\n"); 164 exit(1); 165 } 166 fclose(f); 167 168 input[filesize] = 0; 169 return input; 170 } 171 172 static void addenv(const char *name, const char *value) 173 { 174 const char *orig = getenv(name); 175 if (orig) { 176 char *newval; 177 (void)!asprintf(&newval, "%s,%s", orig, value); 178 setenv(name, newval, 1); 179 free(newval); 180 } else { 181 setenv(name, value, 1); 182 } 183 } 184 185 int 186 main(int argc, char **argv) 187 { 188 const char *filename = NULL; 189 190 for (int i = 1; i < argc; i++) { 191 if (strstr(argv[i], "-mcpu=") == argv[i]) { 192 setenv("SI_FORCE_FAMILY", argv[i] + 6, 1); 193 } else if (filename == NULL) { 194 filename = argv[i]; 195 } else { 196 if (strcmp(argv[i], "--help") != 0 && strcmp(argv[i], "-h") != 0) 197 fprintf(stderr, "Unknown option: %s\n\n", argv[i]); 198 199 fprintf(stderr, "Usage: amdgcn_glslc -mcpu=[chip name] [glsl filename]\n"); 200 return 1; 201 } 202 } 203 204 if (filename == NULL) { 205 fprintf(stderr, "No filename specified.\n"); 206 return 1; 207 } 208 209 addenv("R600_DEBUG", "precompile,vs,tcs,tes,gs,ps,cs,noir,notgsi"); 210 211 create_gl_core_context(); 212 213 /* Read the source. */ 214 char *input = read_file(filename); 215 216 /* Comment out lines beginning with ; (FileCheck prefix). */ 217 if (input[0] == ';') 218 memcpy(input, "//", 2); 219 220 char *s = input; 221 while (s = strstr(s, "\n;")) 222 memcpy(s + 1, "//", 2); 223 224 s = input; 225 while (s && (s = strstr(s, "#shader "))) { 226 char type_str[16], name[128]; 227 GLenum type; 228 229 /* If #shader is not at the beginning of the line. */ 230 if (s != input && s[-1] != '\n' && s[-1] != 0) { 231 s = strstr(s, "\n"); 232 continue; 233 } 234 235 /* Parse the #shader directive. */ 236 if (sscanf(s + 8, "%s %s", type_str, name) != 2) { 237 fprintf(stderr, "Cannot parse #shader directive.\n"); 238 continue; 239 } 240 241 if (!strcmp(type_str, "vs")) 242 type = GL_VERTEX_SHADER; 243 else if (!strcmp(type_str, "tcs")) 244 type = GL_TESS_CONTROL_SHADER; 245 else if (!strcmp(type_str, "tes")) 246 type = GL_TESS_EVALUATION_SHADER; 247 else if (!strcmp(type_str, "gs")) 248 type = GL_GEOMETRY_SHADER; 249 else if (!strcmp(type_str, "fs")) 250 type = GL_FRAGMENT_SHADER; 251 else if (!strcmp(type_str, "cs")) 252 type = GL_COMPUTE_SHADER; 253 254 /* Go the next line. */ 255 s = strstr(s, "\n"); 256 if (!s) 257 break; 258 s++; 259 260 const char *source = s; 261 262 /* Cut the shader source at the end. */ 263 s = strstr(s, "#shader"); 264 if (s && s[-1] == '\n') 265 s[-1] = 0; 266 267 /* Compile the shader. */ 268 printf("@%s:\n", name); 269 270 /* Redirect stderr to stdout for the compiler. */ 271 FILE *stderr_original = stderr; 272 stderr = stdout; 273 GLuint prog = glCreateShaderProgramv(type, 1, &source); 274 stderr = stderr_original; 275 276 GLint linked; 277 glGetProgramiv(prog, GL_LINK_STATUS, &linked); 278 279 if (!linked) { 280 char log[4096]; 281 GLsizei length; 282 283 glGetProgramInfoLog(prog, sizeof(log), &length, log); 284 fprintf(stderr, "ERROR: Compile failure:\n\n%s\n%s\n", 285 source, log); 286 return 1; 287 } 288 289 glDeleteProgram(prog); 290 } 291 return 0; 292 } 293
