src/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       if (surfaces & EGL_STREAM_BIT_KHR)
  97          strcat(surfString, "str,");
  98       if (strlen(surfString) > 0)
  99          surfString[strlen(surfString) - 1] = 0;
 100
 101       printf("0x%02x %2d %2d %2d %2d %2d %2d %2d %2d %2d%2d 0x%02x%s ",
 102              id, size, level,
 103              red, green, blue, alpha,
 104              depth, stencil,
 105              samples, sampleBuffers, vid, vtype < 6 ? vnames[vtype] : "--");
 106       printf("  %c  %c  %c  %c  %c   %c %s\n",
 107              (caveat != EGL_NONE) ? 'y' : ' ',
 108              (bindRgba) ? 'a' : (bindRgb) ? 'y' : ' ',
 109              (renderable & EGL_OPENGL_BIT) ? 'y' : ' ',
 110              (renderable & EGL_OPENGL_ES_BIT) ? 'y' : ' ',
 111              (renderable & EGL_OPENGL_ES2_BIT) ? 'y' : ' ',
 112              (renderable & EGL_OPENVG_BIT) ? 'y' : ' ',
 113              surfString);
 114    }
 115 }
 116
 117
 118 static void
 119 PrintExtensions(EGLDisplay d)
 120 {
 121    const char *extensions, *p, *end, *next;
 122    int column;
 123
 124    puts(d == EGL_NO_DISPLAY ? "EGL client extensions string:" :
 125                               "EGL extensions string:");
 126
 127    extensions = eglQueryString(d, EGL_EXTENSIONS);
 128    if (!extensions)
 129       return;
 130
 131    column = 0;
 132    end = extensions + strlen(extensions);
 133
 134    for (p = extensions; p < end; p = next + 1) {
 135       next = strchr(p, ' ');
 136       if (next == NULL)
 137          next = end;
 138
 139       if (column > 0 && column + next - p + 1 > 70) {
 140          printf("\n");
 141          column = 0;
 142       }
 143       if (column == 0)
 144          printf("    ");
 145       else
 146          printf(" ");
 147       column += next - p + 1;
 148
 149       printf("%.*s", (int) (next - p), p);
 150
 151       p = next + 1;
 152    }
 153
 154    if (column > 0)
 155       printf("\n");
 156 }
 157
 158 int
 159 main(int argc, char *argv[])
 160 {
 161    int maj, min;
 162    EGLDisplay d = eglGetDisplay(EGL_DEFAULT_DISPLAY);
 163
 164    if (!eglInitialize(d, &maj, &min)) {
 165       printf("eglinfo: eglInitialize failed\n");
 166       exit(1);
 167    }
 168
 169    printf("EGL API version: %d.%d\n", maj, min);
 170    printf("EGL vendor string: %s\n", eglQueryString(d, EGL_VENDOR));
 171    printf("EGL version string: %s\n", eglQueryString(d, EGL_VERSION));
 172 #ifdef EGL_VERSION_1_2
 173    printf("EGL client APIs: %s\n", eglQueryString(d, EGL_CLIENT_APIS));
 174 #endif
 175
 176    PrintExtensions(d);
 177    PrintExtensions(EGL_NO_DISPLAY);
 178
 179    PrintConfigs(d);
 180
 181    eglTerminate(d);
 182
 183    return 0;
 184 }