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/*
* eglinfo - like glxinfo but for EGL
*
* Brian Paul
* 11 March 2005
*
* Copyright (C) 2005 Brian Paul All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <EGL/egl.h>
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define MAX_CONFIGS 1000
#define MAX_MODES 1000
#define MAX_SCREENS 10
/**
* Print table of all available configurations.
*/
static void
PrintConfigs(EGLDisplay d)
{
EGLConfig configs[MAX_CONFIGS];
EGLint numConfigs, i;
eglGetConfigs(d, configs, MAX_CONFIGS, &numConfigs);
printf("Configurations:\n");
printf(" bf lv d st colorbuffer dp st vis supported\n");
printf(" id sz l b ro r g b a th cl id surfaces \n");
printf("---------------------------------------------------\n");
for (i = 0; i < numConfigs; i++) {
EGLint id, size, level;
EGLint red, green, blue, alpha;
EGLint depth, stencil;
EGLint surfaces;
EGLint doubleBuf = 1, stereo = 0;
EGLint vid;
char surfString[100] = "";
eglGetConfigAttrib(d, configs[i], EGL_CONFIG_ID, &id);
eglGetConfigAttrib(d, configs[i], EGL_BUFFER_SIZE, &size);
eglGetConfigAttrib(d, configs[i], EGL_LEVEL, &level);
eglGetConfigAttrib(d, configs[i], EGL_RED_SIZE, &red);
eglGetConfigAttrib(d, configs[i], EGL_GREEN_SIZE, &green);
eglGetConfigAttrib(d, configs[i], EGL_BLUE_SIZE, &blue);
eglGetConfigAttrib(d, configs[i], EGL_ALPHA_SIZE, &alpha);
eglGetConfigAttrib(d, configs[i], EGL_DEPTH_SIZE, &depth);
eglGetConfigAttrib(d, configs[i], EGL_STENCIL_SIZE, &stencil);
eglGetConfigAttrib(d, configs[i], EGL_NATIVE_VISUAL_ID, &vid);
eglGetConfigAttrib(d, configs[i], EGL_SURFACE_TYPE, &surfaces);
if (surfaces & EGL_WINDOW_BIT)
strcat(surfString, "win,");
if (surfaces & EGL_PBUFFER_BIT)
strcat(surfString, "pb,");
if (surfaces & EGL_PIXMAP_BIT)
strcat(surfString, "pix,");
#ifdef EGL_MESA_screen_surface
if (surfaces & EGL_SCREEN_BIT_MESA)
strcat(surfString, "scrn,");
#endif
if (strlen(surfString) > 0)
surfString[strlen(surfString) - 1] = 0;
printf("0x%02x %2d %2d %c %c %2d %2d %2d %2d %2d %2d 0x%02x %-12s\n",
id, size, level,
doubleBuf ? 'y' : '.',
stereo ? 'y' : '.',
red, green, blue, alpha,
depth, stencil, vid, surfString);
}
}
/**
* Print table of all available configurations.
*/
static void
PrintModes(EGLDisplay d)
{
#ifdef EGL_MESA_screen_surface
const char *extensions = eglQueryString(d, EGL_EXTENSIONS);
if (strstr(extensions, "EGL_MESA_screen_surface")) {
EGLScreenMESA screens[MAX_SCREENS];
EGLint numScreens = 1, scrn;
EGLModeMESA modes[MAX_MODES];
eglGetScreensMESA(d, screens, MAX_SCREENS, &numScreens);
printf("Number of Screens: %d\n\n", numScreens);
for (scrn = 0; scrn < numScreens; scrn++) {
EGLint numModes, i;
eglGetModesMESA(d, screens[scrn], modes, MAX_MODES, &numModes);
printf("Screen %d Modes:\n", scrn);
printf(" id width height refresh name\n");
printf("-----------------------------------------\n");
for (i = 0; i < numModes; i++) {
EGLint id, w, h, r;
const char *str;
eglGetModeAttribMESA(d, modes[i], EGL_MODE_ID_MESA, &id);
eglGetModeAttribMESA(d, modes[i], EGL_WIDTH, &w);
eglGetModeAttribMESA(d, modes[i], EGL_HEIGHT, &h);
eglGetModeAttribMESA(d, modes[i], EGL_REFRESH_RATE_MESA, &r);
str = eglQueryModeStringMESA(d, modes[i]);
printf("0x%02x %5d %5d %.3f %s\n", id, w, h, r / 1000.0, str);
}
}
}
#endif
}
int
main(int argc, char *argv[])
{
int maj, min;
EGLDisplay d = eglGetDisplay(EGL_DEFAULT_DISPLAY);
if (!eglInitialize(d, &maj, &min)) {
printf("eglinfo: eglInitialize failed\n");
exit(1);
}
printf("EGL API version: %d.%d\n", maj, min);
printf("EGL vendor string: %s\n", eglQueryString(d, EGL_VENDOR));
printf("EGL version string: %s\n", eglQueryString(d, EGL_VERSION));
#ifdef EGL_VERSION_1_2
printf("EGL client APIs: %s\n", eglQueryString(d, EGL_CLIENT_APIS));
#endif
printf("EGL extensions string:\n");
printf(" %s\n", eglQueryString(d, EGL_EXTENSIONS));
PrintConfigs(d);
PrintModes(d);
eglTerminate(d);
return 0;
}
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