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/eglinfo.c.c

Created Feb 8, 2014
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eglinfo.c
/*
* 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.
*/
#define EGL_EGLEXT_PROTOTYPES
#include <EGL/egl.h>
#include <EGL/eglext.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
/* These are X visual types, so if you're running eglinfo under
* something not X, they probably don't make sense. */
static const char *vnames[] = { "SG", "GS", "SC", "PC", "TC", "DC" };
static const char* getErrorString(EGLint error)
{
switch (error)
{
case EGL_SUCCESS:
return "Success";
case EGL_NOT_INITIALIZED:
return "EGL is not or could not be initialized";
case EGL_BAD_ACCESS:
return "EGL cannot access a requested resource";
case EGL_BAD_ALLOC:
return "EGL failed to allocate resources for the requested operation";
case EGL_BAD_ATTRIBUTE:
return "An unrecognized attribute or attribute value was passed "
"in the attribute list";
case EGL_BAD_CONTEXT:
return "An EGLContext argument does not name a valid EGL "
"rendering context";
case EGL_BAD_CONFIG:
return "An EGLConfig argument does not name a valid EGL frame "
"buffer configuration";
case EGL_BAD_CURRENT_SURFACE:
return "The current surface of the calling thread is a window, pixel "
"buffer or pixmap that is no longer valid";
case EGL_BAD_DISPLAY:
return "An EGLDisplay argument does not name a valid EGL display "
"connection";
case EGL_BAD_SURFACE:
return "An EGLSurface argument does not name a valid surface "
"configured for GL rendering";
case EGL_BAD_MATCH:
return "Arguments are inconsistent";
case EGL_BAD_PARAMETER:
return "One or more argument values are invalid";
case EGL_BAD_NATIVE_PIXMAP:
return "A NativePixmapType argument does not refer to a valid "
"native pixmap";
case EGL_BAD_NATIVE_WINDOW:
return "A NativeWindowType argument does not refer to a valid "
"native window";
case EGL_CONTEXT_LOST:
return "The application must destroy all contexts and reinitialise";
}
return "UNKNOWN EGL ERROR";
}
/**
* Print table of all available configurations.
*/
static void
PrintConfigs(EGLDisplay d)
{
EGLConfig configs[MAX_CONFIGS];
EGLint numConfigs, i;
eglBindAPI(EGL_OPENGL_ES_API);
eglGetConfigs(d, configs, MAX_CONFIGS, &numConfigs);
printf("Configurations:\n");
printf(" bf lv colorbuffer dp st ms vis cav bi renderable supported supported\n");
printf(" id sz l r g b a th cl ns b id eat nd gl es es2 vg config surfaces \n");
printf("----------------------------------------------------------------------------------\n");
for (i = 0; i < numConfigs; i++) {
EGLint id, size, level;
EGLint red, green, blue, alpha;
EGLint depth, stencil;
EGLint renderable, surfaces;
EGLint vid, vtype, caveat, bindRgb, bindRgba;
EGLint samples, sampleBuffers;
EGLint attribs [] = {
EGL_CONTEXT_CLIENT_VERSION, 2,
EGL_NONE
};
EGLContext context;
EGLint context_error = EGL_SUCCESS;
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_NATIVE_VISUAL_TYPE, &vtype);
eglGetConfigAttrib(d, configs[i], EGL_CONFIG_CAVEAT, &caveat);
eglGetConfigAttrib(d, configs[i], EGL_BIND_TO_TEXTURE_RGB, &bindRgb);
eglGetConfigAttrib(d, configs[i], EGL_BIND_TO_TEXTURE_RGBA, &bindRgba);
eglGetConfigAttrib(d, configs[i], EGL_RENDERABLE_TYPE, &renderable);
eglGetConfigAttrib(d, configs[i], EGL_SURFACE_TYPE, &surfaces);
eglGetConfigAttrib(d, configs[i], EGL_SAMPLES, &samples);
eglGetConfigAttrib(d, configs[i], EGL_SAMPLE_BUFFERS, &sampleBuffers);
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;
context = eglCreateContext(d, configs[i], EGL_NO_CONTEXT, attribs);
context_error = eglGetError();
printf("0x%02x %2d %2d %2d %2d %2d %2d %2d %2d %2d%2d 0x%02x%s ",
id, size, level,
red, green, blue, alpha,
depth, stencil,
samples, sampleBuffers, vid, vtype < 6 ? vnames[vtype] : "--");
printf(" %c %c %c %c %c %c %c %s ",
(caveat != EGL_NONE) ? 'y' : 'n',
(bindRgba) ? 'a' : (bindRgb) ? 'y' : 'n',
(renderable & EGL_OPENGL_BIT) ? 'y' : 'n',
(renderable & EGL_OPENGL_ES_BIT) ? 'y' : 'n',
(renderable & EGL_OPENGL_ES2_BIT) ? 'y' : 'n',
(renderable & EGL_OPENVG_BIT) ? 'y' : 'n',
(context != EGL_NO_CONTEXT) ? 'y' : 'n',
surfString);
if (context != EGL_NO_CONTEXT)
{
printf("\n");
eglDestroyContext(d, context);
} else
{
printf(" eglCreateContext: %s\n", getErrorString(context_error));
}
}
}
/**
* Print table of all available configurations.
*/
static void
PrintModes(EGLDisplay d)
{
}
static void
PrintExtensions(EGLDisplay d)
{
const char *extensions, *p, *end, *next;
int column;
printf("EGL extensions string:\n");
extensions = eglQueryString(d, EGL_EXTENSIONS);
column = 0;
end = extensions + strlen(extensions);
for (p = extensions; p < end; p = next + 1) {
next = strchr(p, ' ');
if (next == NULL)
next = end;
if (column > 0 && column + next - p + 1 > 70) {
printf("\n");
column = 0;
}
if (column == 0)
printf(" ");
else
printf(" ");
column += next - p + 1;
printf("%.*s", (int) (next - p), p);
p = next + 1;
}
if (column > 0)
printf("\n");
}
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
PrintExtensions(d);
PrintConfigs(d);
PrintModes(d);
eglTerminate(d);
return 0;
}
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