eglinfo.c revision 32001f49 
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   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 */
123static void
124PrintModes(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
159static void
160PrintExtensions(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
196int
197main(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}
224