/* * Copyright (C) 1999-2001 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. */ /* * Stolen from eglgears * * Creates a surface and show that on the first screen */ #define EGL_EGLEXT_PROTOTYPES #include <assert.h> #include <math.h> #include <stdlib.h> #include <stdio.h> #include <string.h> #include <unistd.h> #include <GL/gl.h> #include <EGL/egl.h> #include <EGL/eglext.h> #define MAX_CONFIGS 10 #define MAX_MODES 100 int main(int argc, char *argv[]) { int maj, min; EGLSurface screen_surf; EGLConfig configs[MAX_CONFIGS]; EGLint numConfigs, i; EGLBoolean b; EGLDisplay d; EGLint screenAttribs[10]; EGLModeMESA mode[MAX_MODES]; EGLScreenMESA screen; EGLint count, chosenMode; EGLint width = 0, height = 0; d = eglGetDisplay((EGLNativeDisplayType)"!EGL_i915"); assert(d); if (!eglInitialize(d, &maj, &min)) { printf("eglscreen: eglInitialize failed\n"); exit(1); } printf("eglscreen: EGL version = %d.%d\n", maj, min); printf("eglscreen: EGL_VENDOR = %s\n", eglQueryString(d, EGL_VENDOR)); /* XXX use ChooseConfig */ eglGetConfigs(d, configs, MAX_CONFIGS, &numConfigs); eglGetScreensMESA(d, &screen, 1, &count); if (!eglGetModesMESA(d, screen, mode, MAX_MODES, &count) || count == 0) { printf("eglscreen: eglGetModesMESA failed!\n"); return 0; } /* Print list of modes, and find the one to use */ printf("eglscreen: Found %d modes:\n", count); for (i = 0; i < count; i++) { EGLint w, h; eglGetModeAttribMESA(d, mode[i], EGL_WIDTH, &w); eglGetModeAttribMESA(d, mode[i], EGL_HEIGHT, &h); printf("%3d: %d x %d\n", i, w, h); if (w > width && h > height) { width = w; height = h; chosenMode = i; } } printf("eglscreen: Using screen mode/size %d: %d x %d\n", chosenMode, width, height); /* build up screenAttribs array */ i = 0; screenAttribs[i++] = EGL_WIDTH; screenAttribs[i++] = width; screenAttribs[i++] = EGL_HEIGHT; screenAttribs[i++] = height; screenAttribs[i++] = EGL_NONE; screen_surf = eglCreateScreenSurfaceMESA(d, configs[0], screenAttribs); if (screen_surf == EGL_NO_SURFACE) { printf("eglscreen: Failed to create screen surface\n"); return 0; } b = eglShowScreenSurfaceMESA(d, screen, screen_surf, mode[chosenMode]); if (!b) { printf("eglscreen: Show surface failed\n"); return 0; } usleep(5000000); eglDestroySurface(d, screen_surf); eglTerminate(d); return 0; }