progs/egl/opengl/eglinfo.c

   1 /*
   2  * eglinfo - like glxinfo but for EGL
   3  *
   4  * Brian Paul
   5  * 11 March 2005
   6  *
   7  * Copyright (C) 2005  Brian Paul   All Rights Reserved.
   8  *
   9  * Permission is hereby granted, free of charge, to any person obtaining a
  10  * copy of this software and associated documentation files (the "Software"),
  11  * to deal in the Software without restriction, including without limitation
  12  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  13  * and/or sell copies of the Software, and to permit persons to whom the
  14  * Software is furnished to do so, subject to the following conditions:
  15  *
  16  * The above copyright notice and this permission notice shall be included
  17  * in all copies or substantial portions of the Software.
  18  *
  19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  20  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  21  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  22  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  23  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  24  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  */
  26
  27 #define EGL_EGLEXT_PROTOTYPES
  28
  29 #include <EGL/egl.h>
  30 #include <EGL/eglext.h>
  31 #include <assert.h>
  32 #include <stdio.h>
  33 #include <stdlib.h>
  34 #include <string.h>
  35
  36 #define MAX_CONFIGS 1000
  37 #define MAX_MODES 1000
  38 #define MAX_SCREENS 10
  39
  40 /* These are X visual types, so if you're running eglinfo under
  41  * something not X, they probably don't make sense. */
  42 static const char *vnames[] = { "SG", "GS", "SC", "PC", "TC", "DC" };
  43
  44 /**
  45  * Print table of all available configurations.
  46  */
  47 static void
  48 PrintConfigs(EGLDisplay d)
  49 {
  50    EGLConfig configs[MAX_CONFIGS];
  51    EGLint numConfigs, i;
  52
  53    eglGetConfigs(d, configs, MAX_CONFIGS, &numConfigs);
  54
  55    printf("Configurations:\n");
  56    printf("     bf lv colorbuffer dp st  ms    vis   cav bi  renderable  supported\n");
  57    printf("  id sz  l  r  g  b  a th cl ns b    id   eat nd gl es es2 vg surfaces \n");
  58    printf("---------------------------------------------------------------------\n");
  59    for (i = 0; i < numConfigs; i++) {
  60       EGLint id, size, level;
  61       EGLint red, green, blue, alpha;
  62       EGLint depth, stencil;
  63       EGLint renderable, surfaces;
  64       EGLint vid, vtype, caveat, bindRgb, bindRgba;
  65       EGLint samples, sampleBuffers;
  66       char surfString[100] = "";
  67
  68       eglGetConfigAttrib(d, configs[i], EGL_CONFIG_ID, &id);
  69       eglGetConfigAttrib(d, configs[i], EGL_BUFFER_SIZE, &size);
  70       eglGetConfigAttrib(d, configs[i], EGL_LEVEL, &level);
  71
  72       eglGetConfigAttrib(d, configs[i], EGL_RED_SIZE, &red);
  73       eglGetConfigAttrib(d, configs[i], EGL_GREEN_SIZE, &green);
  74       eglGetConfigAttrib(d, configs[i], EGL_BLUE_SIZE, &blue);
  75       eglGetConfigAttrib(d, configs[i], EGL_ALPHA_SIZE, &alpha);
  76       eglGetConfigAttrib(d, configs[i], EGL_DEPTH_SIZE, &depth);
  77       eglGetConfigAttrib(d, configs[i], EGL_STENCIL_SIZE, &stencil);
  78       eglGetConfigAttrib(d, configs[i], EGL_NATIVE_VISUAL_ID, &vid);
  79       eglGetConfigAttrib(d, configs[i], EGL_NATIVE_VISUAL_TYPE, &vtype);
  80
  81       eglGetConfigAttrib(d, configs[i], EGL_CONFIG_CAVEAT, &caveat);
  82       eglGetConfigAttrib(d, configs[i], EGL_BIND_TO_TEXTURE_RGB, &bindRgb);
  83       eglGetConfigAttrib(d, configs[i], EGL_BIND_TO_TEXTURE_RGBA, &bindRgba);
  84       eglGetConfigAttrib(d, configs[i], EGL_RENDERABLE_TYPE, &renderable);
  85       eglGetConfigAttrib(d, configs[i], EGL_SURFACE_TYPE, &surfaces);
  86
  87       eglGetConfigAttrib(d, configs[i], EGL_SAMPLES, &samples);
  88       eglGetConfigAttrib(d, configs[i], EGL_SAMPLE_BUFFERS, &sampleBuffers);
  89
  90       if (surfaces & EGL_WINDOW_BIT)
  91          strcat(surfString, "win,");
  92       if (surfaces & EGL_PBUFFER_BIT)
  93          strcat(surfString, "pb,");
  94       if (surfaces & EGL_PIXMAP_BIT)
  95          strcat(surfString, "pix,");
  96 #ifdef EGL_MESA_screen_surface
  97       if (surfaces & EGL_SCREEN_BIT_MESA)
  98          strcat(surfString, "scrn,");
  99 #endif
 100       if (strlen(surfString) > 0)
 101          surfString[strlen(surfString) - 1] = 0;
 102
 103       printf("0x%02x %2d %2d %2d %2d %2d %2d %2d %2d %2d%2d 0x%02x%s ",
 104              id, size, level,
 105              red, green, blue, alpha,
 106              depth, stencil,
 107              samples, sampleBuffers, vid, vtype < 6 ? vnames[vtype] : "--");
 108       printf("  %c  %c  %c  %c  %c   %c %s\n",
 109              (caveat != EGL_NONE) ? 'y' : ' ',
 110              (bindRgba) ? 'a' : (bindRgb) ? 'y' : ' ',
 111              (renderable & EGL_OPENGL_BIT) ? 'y' : ' ',
 112              (renderable & EGL_OPENGL_ES_BIT) ? 'y' : ' ',
 113              (renderable & EGL_OPENGL_ES2_BIT) ? 'y' : ' ',
 114              (renderable & EGL_OPENVG_BIT) ? 'y' : ' ',
 115              surfString);
 116    }
 117 }
 118
 119
 120 /**
 121  * Print table of all available configurations.
 122  */
 123 static void
 124 PrintModes(EGLDisplay d)
 125 {
 126 #ifdef EGL_MESA_screen_surface
 127    const char *extensions = eglQueryString(d, EGL_EXTENSIONS);
 128    if (strstr(extensions, "EGL_MESA_screen_surface")) {
 129       EGLScreenMESA screens[MAX_SCREENS];
 130       EGLint numScreens = 1, scrn;
 131       EGLModeMESA modes[MAX_MODES];
 132
 133       eglGetScreensMESA(d, screens, MAX_SCREENS, &numScreens);
 134       printf("Number of Screens: %d\n\n", numScreens);
 135
 136       for (scrn = 0; scrn < numScreens; scrn++) {
 137          EGLint numModes, i;
 138
 139          eglGetModesMESA(d, screens[scrn], modes, MAX_MODES, &numModes);
 140
 141          printf("Screen %d Modes:\n", scrn);
 142          printf("  id  width height refresh  name\n");
 143          printf("-----------------------------------------\n");
 144          for (i = 0; i < numModes; i++) {
 145             EGLint id, w, h, r;
 146             const char *str;
 147             eglGetModeAttribMESA(d, modes[i], EGL_MODE_ID_MESA, &id);
 148             eglGetModeAttribMESA(d, modes[i], EGL_WIDTH, &w);
 149             eglGetModeAttribMESA(d, modes[i], EGL_HEIGHT, &h);
 150             eglGetModeAttribMESA(d, modes[i], EGL_REFRESH_RATE_MESA, &r);
 151             str = eglQueryModeStringMESA(d, modes[i]);
 152             printf("0x%02x %5d  %5d   %.3f  %s\n", id, w, h, r / 1000.0, str);
 153          }
 154       }
 155    }
 156 #endif
 157 }
 158
 159 static void
 160 PrintExtensions(EGLDisplay d)
 161 {
 162    const char *extensions, *p, *end, *next;
 163    int column;
 164
 165    printf("EGL extensions string:\n");
 166
 167    extensions = eglQueryString(d, EGL_EXTENSIONS);
 168
 169    column = 0;
 170    end = extensions + strlen(extensions);
 171
 172    for (p = extensions; p < end; p = next + 1) {
 173       next = strchr(p, ' ');
 174       if (next == NULL)
 175          next = end;
 176
 177       if (column > 0 && column + next - p + 1 > 70) {
 178          printf("\n");
 179          column = 0;
 180       }
 181       if (column == 0)
 182          printf("    ");
 183       else
 184          printf(" ");
 185       column += next - p + 1;
 186
 187       printf("%.*s", (int) (next - p), p);
 188
 189       p = next + 1;
 190    }
 191
 192    if (column > 0)
 193       printf("\n");
 194 }
 195
 196 int
 197 main(int argc, char *argv[])
 198 {
 199    int maj, min;
 200    EGLDisplay d = eglGetDisplay(EGL_DEFAULT_DISPLAY);
 201
 202    if (!eglInitialize(d, &maj, &min)) {
 203       printf("eglinfo: eglInitialize failed\n");
 204       exit(1);
 205    }
 206
 207    printf("EGL API version: %d.%d\n", maj, min);
 208    printf("EGL vendor string: %s\n", eglQueryString(d, EGL_VENDOR));
 209    printf("EGL version string: %s\n", eglQueryString(d, EGL_VERSION));
 210 #ifdef EGL_VERSION_1_2
 211    printf("EGL client APIs: %s\n", eglQueryString(d, EGL_CLIENT_APIS));
 212 #endif
 213
 214    PrintExtensions(d);
 215
 216    PrintConfigs(d);
 217
 218    PrintModes(d);
 219
 220    eglTerminate(d);
 221
 222    return 0;
 223 }