progs/egl/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
  28 #include <GLES/egl.h>
  29 #include <assert.h>
  30 #include <stdio.h>
  31 #include <stdlib.h>
  32 #include <string.h>
  33
  34 #define MAX_CONFIGS 1000
  35 #define MAX_MODES 1000
  36 #define MAX_SCREENS 10
  37
  38
  39 /**
  40  * Print table of all available configurations.
  41  */
  42 static void
  43 PrintConfigs(EGLDisplay d)
  44 {
  45    EGLConfig configs[MAX_CONFIGS];
  46    EGLint numConfigs, i;
  47
  48    eglGetConfigs(d, configs, MAX_CONFIGS, &numConfigs);
  49
  50    printf("Configurations:\n");
  51    printf("     bf lv d st colorbuffer dp st   supported\n");
  52    printf("  id sz  l b ro  r  g  b  a th cl   surfaces  \n");
  53    printf("---------------------------------------------------\n");
  54    for (i = 0; i < numConfigs; i++) {
  55       EGLint id, size, level;
  56       EGLint red, green, blue, alpha;
  57       EGLint depth, stencil;
  58       EGLint surfaces;
  59       EGLint doubleBuf = 1, stereo = 0;
  60       char surfString[100] = "";
  61
  62       eglGetConfigAttrib(d, configs[i], EGL_CONFIG_ID, &id);
  63       eglGetConfigAttrib(d, configs[i], EGL_BUFFER_SIZE, &size);
  64       eglGetConfigAttrib(d, configs[i], EGL_LEVEL, &level);
  65
  66       eglGetConfigAttrib(d, configs[i], EGL_RED_SIZE, &red);
  67       eglGetConfigAttrib(d, configs[i], EGL_GREEN_SIZE, &green);
  68       eglGetConfigAttrib(d, configs[i], EGL_BLUE_SIZE, &blue);
  69       eglGetConfigAttrib(d, configs[i], EGL_ALPHA_SIZE, &alpha);
  70       eglGetConfigAttrib(d, configs[i], EGL_DEPTH_SIZE, &depth);
  71       eglGetConfigAttrib(d, configs[i], EGL_STENCIL_SIZE, &stencil);
  72       eglGetConfigAttrib(d, configs[i], EGL_SURFACE_TYPE, &surfaces);
  73
  74       if (surfaces & EGL_WINDOW_BIT)
  75          strcat(surfString, "win,");
  76       if (surfaces & EGL_PBUFFER_BIT)
  77          strcat(surfString, "pb,");
  78       if (surfaces & EGL_PIXMAP_BIT)
  79          strcat(surfString, "pix,");
  80 #ifdef EGL_MESA_screen_surface
  81       if (surfaces & EGL_SCREEN_BIT_MESA)
  82          strcat(surfString, "scrn,");
  83 #endif
  84       if (strlen(surfString) > 0)
  85          surfString[strlen(surfString) - 1] = 0;
  86
  87       printf("0x%02x %2d %2d %c  %c %2d %2d %2d %2d %2d %2d   %-12s\n",
  88              id, size, level,
  89              doubleBuf ? 'y' : '.',
  90              stereo ? 'y' : '.',
  91              red, green, blue, alpha,
  92              depth, stencil, surfString);
  93    }
  94 }
  95
  96
  97 /**
  98  * Print table of all available configurations.
  99  */
 100 static void
 101 PrintModes(EGLDisplay d)
 102 {
 103 #ifdef EGL_MESA_screen_surface
 104    const char *extensions = eglQueryString(d, EGL_EXTENSIONS);
 105    if (strstr(extensions, "EGL_MESA_screen_surface")) {
 106       EGLScreenMESA screens[MAX_SCREENS];
 107       EGLint numScreens = 1, scrn;
 108       EGLModeMESA modes[MAX_MODES];
 109
 110       eglGetScreensMESA(d, screens, MAX_SCREENS, &numScreens);
 111       printf("Number of Screens: %d\n\n", numScreens);
 112
 113       for (scrn = 0; scrn < numScreens; scrn++) {
 114          EGLint numModes, i;
 115
 116          eglGetModesMESA(d, screens[scrn], modes, MAX_MODES, &numModes);
 117
 118          printf("Screen %d Modes:\n", scrn);
 119          printf("  id  width height refresh  name\n");
 120          printf("-----------------------------------------\n");
 121          for (i = 0; i < numModes; i++) {
 122             EGLint id, w, h, r;
 123             const char *str;
 124             eglGetModeAttribMESA(d, modes[i], EGL_MODE_ID_MESA, &id);
 125             eglGetModeAttribMESA(d, modes[i], EGL_WIDTH, &w);
 126             eglGetModeAttribMESA(d, modes[i], EGL_HEIGHT, &h);
 127             eglGetModeAttribMESA(d, modes[i], EGL_REFRESH_RATE_MESA, &r);
 128             str = eglQueryModeStringMESA(d, modes[i]);
 129             printf("0x%02x %5d  %5d   %.3f  %s\n", id, w, h, r / 1000.0, str);
 130          }
 131       }
 132    }
 133 #endif
 134 }
 135
 136
 137
 138 int
 139 main(int argc, char *argv[])
 140 {
 141    int maj, min;
 142    /*EGLDisplay d = eglGetDisplay(EGL_DEFAULT_DISPLAY);*/
 143    EGLDisplay d = eglGetDisplay("!EGL_i915");
 144
 145    if (!eglInitialize(d, &maj, &min)) {
 146       printf("eglinfo: eglInitialize failed\n");
 147       exit(1);
 148    }
 149
 150    printf("EGL API version: %d.%d\n", maj, min);
 151    printf("EGL vendor string: %s\n", eglQueryString(d, EGL_VENDOR));
 152    printf("EGL version string: %s\n", eglQueryString(d, EGL_VERSION));
 153    printf("EGL extensions string:\n");
 154    printf("    %s\n", eglQueryString(d, EGL_EXTENSIONS));
 155    printf("\n");
 156
 157    PrintConfigs(d);
 158
 159    printf("\n");
 160
 161    PrintModes(d);
 162
 163    eglTerminate(d);
 164
 165    return 0;
 166 }