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 #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 /**
  41  * Print table of all available configurations.
  42  */
  43 static void
  44 PrintConfigs(EGLDisplay d)
  45 {
  46    EGLConfig configs[MAX_CONFIGS];
  47    EGLint numConfigs, i;
  48
  49    eglGetConfigs(d, configs, MAX_CONFIGS, &numConfigs);
  50
  51    printf("Configurations:\n");
  52    printf("     bf lv d st colorbuffer dp st  ms    vis   supported\n");
  53    printf("  id sz  l b ro  r  g  b  a th cl ns b    id   surfaces \n");
  54    printf("--------------------------------------------------------\n");
  55    for (i = 0; i < numConfigs; i++) {
  56       EGLint id, size, level;
  57       EGLint red, green, blue, alpha;
  58       EGLint depth, stencil;
  59       EGLint surfaces;
  60       EGLint doubleBuf = 1, stereo = 0;
  61       EGLint vid;
  62       EGLint samples, sampleBuffers;
  63       char surfString[100] = "";
  64
  65       eglGetConfigAttrib(d, configs[i], EGL_CONFIG_ID, &id);
  66       eglGetConfigAttrib(d, configs[i], EGL_BUFFER_SIZE, &size);
  67       eglGetConfigAttrib(d, configs[i], EGL_LEVEL, &level);
  68
  69       eglGetConfigAttrib(d, configs[i], EGL_RED_SIZE, &red);
  70       eglGetConfigAttrib(d, configs[i], EGL_GREEN_SIZE, &green);
  71       eglGetConfigAttrib(d, configs[i], EGL_BLUE_SIZE, &blue);
  72       eglGetConfigAttrib(d, configs[i], EGL_ALPHA_SIZE, &alpha);
  73       eglGetConfigAttrib(d, configs[i], EGL_DEPTH_SIZE, &depth);
  74       eglGetConfigAttrib(d, configs[i], EGL_STENCIL_SIZE, &stencil);
  75       eglGetConfigAttrib(d, configs[i], EGL_NATIVE_VISUAL_ID, &vid);
  76       eglGetConfigAttrib(d, configs[i], EGL_SURFACE_TYPE, &surfaces);
  77
  78       eglGetConfigAttrib(d, configs[i], EGL_SAMPLES, &samples);
  79       eglGetConfigAttrib(d, configs[i], EGL_SAMPLE_BUFFERS, &sampleBuffers);
  80
  81       if (surfaces & EGL_WINDOW_BIT)
  82          strcat(surfString, "win,");
  83       if (surfaces & EGL_PBUFFER_BIT)
  84          strcat(surfString, "pb,");
  85       if (surfaces & EGL_PIXMAP_BIT)
  86          strcat(surfString, "pix,");
  87 #ifdef EGL_MESA_screen_surface
  88       if (surfaces & EGL_SCREEN_BIT_MESA)
  89          strcat(surfString, "scrn,");
  90 #endif
  91       if (strlen(surfString) > 0)
  92          surfString[strlen(surfString) - 1] = 0;
  93
  94       printf("0x%02x %2d %2d %c  %c %2d %2d %2d %2d %2d %2d %2d%2d  0x%02x   %-12s\n",
  95              id, size, level,
  96              doubleBuf ? 'y' : '.',
  97              stereo ? 'y' : '.',
  98              red, green, blue, alpha,
  99              depth, stencil,
 100              samples, sampleBuffers, vid, surfString);
 101    }
 102 }
 103
 104
 105 /**
 106  * Print table of all available configurations.
 107  */
 108 static void
 109 PrintModes(EGLDisplay d)
 110 {
 111 #ifdef EGL_MESA_screen_surface
 112    const char *extensions = eglQueryString(d, EGL_EXTENSIONS);
 113    if (strstr(extensions, "EGL_MESA_screen_surface")) {
 114       EGLScreenMESA screens[MAX_SCREENS];
 115       EGLint numScreens = 1, scrn;
 116       EGLModeMESA modes[MAX_MODES];
 117
 118       eglGetScreensMESA(d, screens, MAX_SCREENS, &numScreens);
 119       printf("Number of Screens: %d\n\n", numScreens);
 120
 121       for (scrn = 0; scrn < numScreens; scrn++) {
 122          EGLint numModes, i;
 123
 124          eglGetModesMESA(d, screens[scrn], modes, MAX_MODES, &numModes);
 125
 126          printf("Screen %d Modes:\n", scrn);
 127          printf("  id  width height refresh  name\n");
 128          printf("-----------------------------------------\n");
 129          for (i = 0; i < numModes; i++) {
 130             EGLint id, w, h, r;
 131             const char *str;
 132             eglGetModeAttribMESA(d, modes[i], EGL_MODE_ID_MESA, &id);
 133             eglGetModeAttribMESA(d, modes[i], EGL_WIDTH, &w);
 134             eglGetModeAttribMESA(d, modes[i], EGL_HEIGHT, &h);
 135             eglGetModeAttribMESA(d, modes[i], EGL_REFRESH_RATE_MESA, &r);
 136             str = eglQueryModeStringMESA(d, modes[i]);
 137             printf("0x%02x %5d  %5d   %.3f  %s\n", id, w, h, r / 1000.0, str);
 138          }
 139       }
 140    }
 141 #endif
 142 }
 143
 144
 145
 146 int
 147 main(int argc, char *argv[])
 148 {
 149    int maj, min;
 150    //EGLDisplay d = eglGetDisplay((EGLNativeDisplayType)"!EGL_i915");
 151    EGLDisplay d = eglGetDisplay((EGLNativeDisplayType)"!EGL_i915");
 152
 153    if (!eglInitialize(d, &maj, &min)) {
 154       printf("eglinfo: eglInitialize failed\n");
 155       exit(1);
 156    }
 157
 158    printf("EGL API version: %d.%d\n", maj, min);
 159    printf("EGL vendor string: %s\n", eglQueryString(d, EGL_VENDOR));
 160    printf("EGL version string: %s\n", eglQueryString(d, EGL_VERSION));
 161 #ifdef EGL_VERSION_1_2
 162    printf("EGL client APIs: %s\n", eglQueryString(d, EGL_CLIENT_APIS));
 163 #endif
 164    printf("EGL extensions string:\n");
 165    printf("    %s\n", eglQueryString(d, EGL_EXTENSIONS));
 166
 167    PrintConfigs(d);
 168
 169    PrintModes(d);
 170
 171    eglTerminate(d);
 172
 173    return 0;
 174 }