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/*
* Exercise EGL API functions
*/
#include <GLES/egl.h>
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
/**
* Test EGL_MESA_screen_surface functions
*/
static void
TestScreens(EGLDisplay dpy)
{
#define MAX 8
EGLScreenMESA screens[MAX];
EGLint numScreens;
EGLint i;
eglGetScreensMESA(dpy, screens, MAX, &numScreens);
printf("Found %d screens\n", numScreens);
for (i = 0; i < numScreens; i++) {
printf(" Screen %d handle: %d\n", i, (int) screens[i]);
}
}
int
main(int argc, char *argv[])
{
int maj, min;
EGLContext ctx;
EGLSurface pbuffer;
EGLConfig configs[10];
EGLint numConfigs, i;
EGLBoolean b;
const EGLint pbufAttribs[] = {
EGL_WIDTH, 500,
EGL_HEIGHT, 500,
EGL_NONE
};
/*
EGLDisplay d = eglGetDisplay(EGL_DEFAULT_DISPLAY);
*/
EGLDisplay d = eglGetDisplay("!demo");
assert(d);
if (!eglInitialize(d, &maj, &min)) {
printf("demo: eglInitialize failed\n");
exit(1);
}
printf("EGL version = %d.%d\n", maj, min);
printf("EGL_VENDOR = %s\n", eglQueryString(d, EGL_VENDOR));
eglGetConfigs(d, configs, 10, &numConfigs);
printf("Got %d EGL configs:\n", numConfigs);
for (i = 0; i < numConfigs; i++) {
EGLint id, red, depth;
eglGetConfigAttrib(d, configs[i], EGL_CONFIG_ID, &id);
eglGetConfigAttrib(d, configs[i], EGL_RED_SIZE, &red);
eglGetConfigAttrib(d, configs[i], EGL_DEPTH_SIZE, &depth);
printf("%2d: Red Size = %d Depth Size = %d\n", id, red, depth);
}
ctx = eglCreateContext(d, configs[0], EGL_NO_CONTEXT, NULL);
if (ctx == EGL_NO_CONTEXT) {
printf("failed to create context\n");
return 0;
}
pbuffer = eglCreatePbufferSurface(d, configs[0], pbufAttribs);
if (pbuffer == EGL_NO_SURFACE) {
printf("failed to create pbuffer\n");
return 0;
}
b = eglMakeCurrent(d, pbuffer, pbuffer, ctx);
if (!b) {
printf("make current failed\n");
return 0;
}
b = eglMakeCurrent(d, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
TestScreens(d);
eglDestroySurface(d, pbuffer);
eglDestroyContext(d, ctx);
eglTerminate(d);
return 0;
}
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