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. */
42static const char *vnames[] = { "SG", "GS", "SC", "PC", "TC", "DC" };
43
44/**
45 * Print table of all available configurations.
46 */
47static void
48PrintConfigs(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   /*        ^  ^   ^  ^  ^  ^  ^ ^  ^  ^  ^    ^    ^   ^  ^  ^  ^   ^  ^
59    *        |  |   |  |  |  |  | |  |  |  |    |    |   |  |  |  |   |  |
60    *        |  |   |  |  |  |  | |  |  |  |    |    |   |  |  |  |   |  EGL_SURFACE_TYPE
61    *        |  |   |  |  |  |  | |  |  |  |    |    |   |  EGL_RENDERABLE_TYPE
62    *        |  |   |  |  |  |  | |  |  |  |    |    |   EGL_BIND_TO_TEXTURE_RGB/EGL_BIND_TO_TEXTURE_RGBA
63    *        |  |   |  |  |  |  | |  |  |  |    |    EGL_CONFIG_CAVEAT
64    *        |  |   |  |  |  |  | |  |  |  |    EGL_NATIVE_VISUAL_ID/EGL_NATIVE_VISUAL_TYPE
65    *        |  |   |  |  |  |  | |  |  |  EGL_SAMPLE_BUFFERS
66    *        |  |   |  |  |  |  | |  |  EGL_SAMPLES
67    *        |  |   |  |  |  |  | |  EGL_STENCIL_SIZE
68    *        |  |   |  |  |  |  | EGL_DEPTH_SIZE
69    *        |  |   |  |  |  |  EGL_ALPHA_SIZE
70    *        |  |   |  |  |  EGL_BLUE_SIZE
71    *        |  |   |  |  EGL_GREEN_SIZE
72    *        |  |   |  EGL_RED_SIZE
73    *        |  |   EGL_LEVEL
74    *        |  EGL_BUFFER_SIZE
75    *        EGL_CONFIG_ID
76    */
77   printf("---------------------------------------------------------------------\n");
78   for (i = 0; i < numConfigs; i++) {
79      EGLint id, size, level;
80      EGLint red, green, blue, alpha;
81      EGLint depth, stencil;
82      EGLint renderable, surfaces;
83      EGLint vid, vtype, caveat, bindRgb, bindRgba;
84      EGLint samples, sampleBuffers;
85      char surfString[100] = "";
86
87      eglGetConfigAttrib(d, configs[i], EGL_CONFIG_ID, &id);
88      eglGetConfigAttrib(d, configs[i], EGL_BUFFER_SIZE, &size);
89      eglGetConfigAttrib(d, configs[i], EGL_LEVEL, &level);
90
91      eglGetConfigAttrib(d, configs[i], EGL_RED_SIZE, &red);
92      eglGetConfigAttrib(d, configs[i], EGL_GREEN_SIZE, &green);
93      eglGetConfigAttrib(d, configs[i], EGL_BLUE_SIZE, &blue);
94      eglGetConfigAttrib(d, configs[i], EGL_ALPHA_SIZE, &alpha);
95      eglGetConfigAttrib(d, configs[i], EGL_DEPTH_SIZE, &depth);
96      eglGetConfigAttrib(d, configs[i], EGL_STENCIL_SIZE, &stencil);
97      eglGetConfigAttrib(d, configs[i], EGL_NATIVE_VISUAL_ID, &vid);
98      eglGetConfigAttrib(d, configs[i], EGL_NATIVE_VISUAL_TYPE, &vtype);
99
100      eglGetConfigAttrib(d, configs[i], EGL_CONFIG_CAVEAT, &caveat);
101      eglGetConfigAttrib(d, configs[i], EGL_BIND_TO_TEXTURE_RGB, &bindRgb);
102      eglGetConfigAttrib(d, configs[i], EGL_BIND_TO_TEXTURE_RGBA, &bindRgba);
103      eglGetConfigAttrib(d, configs[i], EGL_RENDERABLE_TYPE, &renderable);
104      eglGetConfigAttrib(d, configs[i], EGL_SURFACE_TYPE, &surfaces);
105
106      eglGetConfigAttrib(d, configs[i], EGL_SAMPLES, &samples);
107      eglGetConfigAttrib(d, configs[i], EGL_SAMPLE_BUFFERS, &sampleBuffers);
108
109      if (surfaces & EGL_WINDOW_BIT)
110         strcat(surfString, "win,");
111      if (surfaces & EGL_PBUFFER_BIT)
112         strcat(surfString, "pb,");
113      if (surfaces & EGL_PIXMAP_BIT)
114         strcat(surfString, "pix,");
115      if (surfaces & EGL_STREAM_BIT_KHR)
116         strcat(surfString, "str,");
117      if (strlen(surfString) > 0)
118         surfString[strlen(surfString) - 1] = 0;
119
120      printf("0x%02x %2d %2d %2d %2d %2d %2d %2d %2d %2d%2d 0x%02x%s ",
121             id, size, level,
122             red, green, blue, alpha,
123             depth, stencil,
124             samples, sampleBuffers, vid, vtype < 6 ? vnames[vtype] : "--");
125      printf("  %c  %c  %c  %c  %c   %c %s\n",
126             (caveat != EGL_NONE) ? 'y' : ' ',
127             (bindRgba) ? 'a' : (bindRgb) ? 'y' : ' ',
128             (renderable & EGL_OPENGL_BIT) ? 'y' : ' ',
129             (renderable & EGL_OPENGL_ES_BIT) ? 'y' : ' ',
130             (renderable & EGL_OPENGL_ES2_BIT) ? 'y' : ' ',
131             (renderable & EGL_OPENVG_BIT) ? 'y' : ' ',
132             surfString);
133   }
134}
135
136
137static const char *
138PrintExtensions(EGLDisplay d)
139{
140   const char *extensions, *p, *end, *next;
141   int column;
142
143   puts(d == EGL_NO_DISPLAY ? "EGL client extensions string:" :
144                              "EGL extensions string:");
145
146   extensions = eglQueryString(d, EGL_EXTENSIONS);
147   if (!extensions)
148      return NULL;
149
150   column = 0;
151   end = extensions + strlen(extensions);
152
153   for (p = extensions; p < end; p = next + 1) {
154      next = strchr(p, ' ');
155      if (next == NULL)
156         next = end;
157
158      if (column > 0 && column + next - p + 1 > 70) {
159	 printf("\n");
160	 column = 0;
161      }
162      if (column == 0)
163	 printf("    ");
164      else
165	 printf(" ");
166      column += next - p + 1;
167
168      printf("%.*s", (int) (next - p), p);
169
170      p = next + 1;
171   }
172
173   if (column > 0)
174      printf("\n");
175
176   return extensions;
177}
178
179static int
180doOneDisplay(EGLDisplay d, const char *name)
181{
182   int maj, min;
183
184   printf("%s:\n", name);
185   if (!eglInitialize(d, &maj, &min)) {
186      printf("eglinfo: eglInitialize failed\n\n");
187      return 1;
188   }
189
190   printf("EGL API version: %d.%d\n", maj, min);
191   printf("EGL vendor string: %s\n", eglQueryString(d, EGL_VENDOR));
192   printf("EGL version string: %s\n", eglQueryString(d, EGL_VERSION));
193#ifdef EGL_VERSION_1_2
194   printf("EGL client APIs: %s\n", eglQueryString(d, EGL_CLIENT_APIS));
195#endif
196
197   PrintExtensions(d);
198
199   PrintConfigs(d);
200   eglTerminate(d);
201   printf("\n");
202   return 0;
203}
204
205int
206main(int argc, char *argv[])
207{
208   int ret = 0;
209   const char *clientext;
210
211   clientext = PrintExtensions(EGL_NO_DISPLAY);
212   printf("\n");
213
214   if (strstr(clientext, "EGL_EXT_platform_base")) {
215       PFNEGLGETPLATFORMDISPLAYEXTPROC getPlatformDisplay =
216           (PFNEGLGETPLATFORMDISPLAYEXTPROC)
217           eglGetProcAddress("eglGetPlatformDisplayEXT");
218       if (strstr(clientext, "EGL_KHR_platform_android"))
219           ret += doOneDisplay(getPlatformDisplay(EGL_PLATFORM_ANDROID_KHR,
220                                                  EGL_DEFAULT_DISPLAY,
221                                                  NULL), "Android platform");
222       if (strstr(clientext, "EGL_MESA_platform_gbm") ||
223           strstr(clientext, "EGL_KHR_platform_gbm"))
224           ret += doOneDisplay(getPlatformDisplay(EGL_PLATFORM_GBM_MESA,
225                                                  EGL_DEFAULT_DISPLAY,
226                                                  NULL), "GBM platform");
227       if (strstr(clientext, "EGL_EXT_platform_wayland") ||
228           strstr(clientext, "EGL_KHR_platform_wayland"))
229           ret += doOneDisplay(getPlatformDisplay(EGL_PLATFORM_WAYLAND_EXT,
230                                                  EGL_DEFAULT_DISPLAY,
231                                                  NULL), "Wayland platform");
232       if (strstr(clientext, "EGL_EXT_platform_x11") ||
233           strstr(clientext, "EGL_KHR_platform_x11"))
234           ret += doOneDisplay(getPlatformDisplay(EGL_PLATFORM_X11_EXT,
235                                                  EGL_DEFAULT_DISPLAY,
236                                                  NULL), "X11 platform");
237       if (strstr(clientext, "EGL_EXT_platform_device"))
238           ret += doOneDisplay(getPlatformDisplay(EGL_PLATFORM_DEVICE_EXT,
239                                                  EGL_DEFAULT_DISPLAY,
240                                                  NULL), "Device platform");
241   }
242   else {
243      ret = doOneDisplay(eglGetDisplay(EGL_DEFAULT_DISPLAY), "Default display");
244   }
245
246   return ret;
247}
248