| /* |
| * 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(EGL_DEFAULT_DISPLAY); |
| 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; |
| } |