| 0,0 → 1,335 |
|---|
| /* |
| * Copyright (C) 2010 LunarG Inc. |
| * |
| * 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 |
| * THE AUTHORS OR COPYRIGHT HOLDERS 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. |
| * |
| * Authors: |
| * Chia-I Wu <olv@lunarg.com> |
| */ |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <stdarg.h> |
| #include <sys/time.h> |
| |
| #include "EGL/egl.h" |
| #include "EGL/eglext.h" |
| |
| #include "render.h" |
| #include "eglutint.h" |
| #include <kos32sys.h> |
| |
| static struct eglut_state _eglut_state = { |
| .api_mask = EGLUT_OPENGL_BIT, |
| .window_width = 300, |
| .window_height = 300, |
| .verbose = 0, |
| .num_windows = 0, |
| }; |
| |
| struct eglut_state *_eglut = &_eglut_state; |
| |
| void |
| _eglutFatal(char *format, ...) |
| { |
| va_list args; |
| |
| va_start(args, format); |
| |
| fprintf(stderr, "EGLUT: "); |
| vfprintf(stderr, format, args); |
| va_end(args); |
| putc('\n', stderr); |
| |
| exit(1); |
| } |
| |
| /* return current time (in milliseconds) */ |
| int |
| _eglutNow(void) |
| { |
| struct timeval tv; |
| #ifdef __VMS |
| (void) gettimeofday(&tv, NULL ); |
| #else |
| struct timezone tz; |
| (void) gettimeofday(&tv, &tz); |
| #endif |
| return tv.tv_sec * 1000 + tv.tv_usec / 1000; |
| } |
| |
| static void |
| _eglutDestroyWindow(struct eglut_window *win) |
| { |
| eglDestroySurface(_eglut->dpy, win->surface); |
| _eglutNativeFiniWindow(win); |
| eglDestroyContext(_eglut->dpy, win->context); |
| } |
| |
| static EGLConfig |
| _eglutChooseConfig(void) |
| { |
| EGLConfig config; |
| EGLint config_attribs[32]; |
| EGLint num_configs, i; |
| |
| i = 0; |
| config_attribs[i++] = EGL_RED_SIZE; |
| config_attribs[i++] = 1; |
| config_attribs[i++] = EGL_GREEN_SIZE; |
| config_attribs[i++] = 1; |
| config_attribs[i++] = EGL_BLUE_SIZE; |
| config_attribs[i++] = 1; |
| config_attribs[i++] = EGL_DEPTH_SIZE; |
| config_attribs[i++] = 1; |
| |
| config_attribs[i++] = EGL_SURFACE_TYPE; |
| config_attribs[i++] = EGL_WINDOW_BIT; |
| |
| config_attribs[i++] = EGL_RENDERABLE_TYPE; |
| config_attribs[i++] = EGL_OPENGL_BIT; |
| config_attribs[i] = EGL_NONE; |
| |
| // renderable_type = 0x0; |
| // if (_eglut->api_mask & EGLUT_OPENGL_BIT) |
| // renderable_type |= EGL_OPENGL_BIT; |
| // if (_eglut->api_mask & EGLUT_OPENGL_ES1_BIT) |
| // renderable_type |= EGL_OPENGL_ES_BIT; |
| // if (_eglut->api_mask & EGLUT_OPENGL_ES2_BIT) |
| // renderable_type |= EGL_OPENGL_ES2_BIT; |
| // if (_eglut->api_mask & EGLUT_OPENVG_BIT) |
| // renderable_type |= EGL_OPENVG_BIT; |
| |
| if (!eglChooseConfig(_eglut->dpy, |
| config_attribs, &config, 1, &num_configs) || !num_configs) |
| _eglutFatal("failed to choose a config"); |
| |
| return config; |
| } |
| |
| static struct eglut_window * |
| _eglutCreateWindow(const char *title, int x, int y, int w, int h) |
| { |
| struct eglut_window *win; |
| |
| win = calloc(1, sizeof(*win)); |
| if (!win) |
| _eglutFatal("failed to allocate window"); |
| |
| win->config = _eglutChooseConfig(); |
| |
| eglBindAPI(EGL_OPENGL_API); |
| win->context = eglCreateContext(_eglut->dpy, win->config, EGL_NO_CONTEXT, NULL); |
| if (!win->context) |
| _eglutFatal("failed to create context"); |
| |
| _eglutNativeInitWindow(win, title, x, y, w, h); |
| switch (_eglut->surface_type) { |
| case EGL_WINDOW_BIT: |
| win->surface = eglCreateWindowSurface(_eglut->dpy, |
| win->config, win->native.u.window, NULL); |
| break; |
| default: |
| break; |
| } |
| if (win->surface == EGL_NO_SURFACE) |
| _eglutFatal("failed to create surface"); |
| |
| return win; |
| } |
| |
| void |
| eglutInitAPIMask(int mask) |
| { |
| _eglut->api_mask = mask; |
| } |
| |
| void |
| eglutInitWindowSize(int width, int height) |
| { |
| _eglut->window_width = width; |
| _eglut->window_height = height; |
| } |
| |
| void |
| eglutInit(int argc, char **argv) |
| { |
| int i; |
| |
| for (i = 1; i < argc; i++) { |
| if (strcmp(argv[i], "-display") == 0) |
| _eglut->display_name = argv[++i]; |
| else if (strcmp(argv[i], "-info") == 0) { |
| _eglut->verbose = 1; |
| } |
| } |
| |
| _eglutNativeInitDisplay(); |
| _eglut->dpy = eglGetDisplay(_eglut->native_dpy); |
| |
| if (!eglInitialize(_eglut->dpy, &_eglut->major, &_eglut->minor)) |
| _eglutFatal("failed to initialize EGL display"); |
| |
| _eglut->init_time = _eglutNow(); |
| |
| printf("EGL_VERSION = %s\n", eglQueryString(_eglut->dpy, EGL_VERSION)); |
| if (_eglut->verbose) { |
| printf("EGL_VENDOR = %s\n", eglQueryString(_eglut->dpy, EGL_VENDOR)); |
| printf("EGL_EXTENSIONS = %s\n", |
| eglQueryString(_eglut->dpy, EGL_EXTENSIONS)); |
| printf("EGL_CLIENT_APIS = %s\n", |
| eglQueryString(_eglut->dpy, EGL_CLIENT_APIS)); |
| } |
| } |
| |
| int |
| eglutGet(int state) |
| { |
| int val; |
| |
| switch (state) { |
| case EGLUT_ELAPSED_TIME: |
| val = _eglutNow() - _eglut->init_time; |
| break; |
| default: |
| val = -1; |
| break; |
| } |
| |
| return val; |
| } |
| |
| void |
| eglutIdleFunc(EGLUTidleCB func) |
| { |
| _eglut->idle_cb = func; |
| } |
| |
| void |
| eglutPostRedisplay(void) |
| { |
| _eglut->redisplay = 1; |
| } |
| |
| void |
| eglutMainLoop(void) |
| { |
| struct eglut_window *win = _eglut->current; |
| |
| if (!win) |
| _eglutFatal("no window is created\n"); |
| |
| if (win->reshape_cb) |
| win->reshape_cb(win->native.width, win->native.height); |
| |
| _eglutNativeEventLoop(); |
| } |
| |
| void |
| eglutFini(void) |
| { |
| eglTerminate(_eglut->dpy); |
| _eglutNativeFiniDisplay(); |
| } |
| |
| void |
| eglutDestroyWindow(int win) |
| { |
| eglMakeCurrent(_eglut->dpy, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT); |
| _eglutDestroyWindow(_eglut->current); |
| } |
| |
| static void |
| _eglutDefaultKeyboard(unsigned char key) |
| { |
| } |
| |
| int |
| eglutCreateWindow(const char *title) |
| { |
| struct eglut_window *win; |
| int skinh; |
| |
| win = _eglutCreateWindow(title, 20, 20, |
| _eglut->window_width, _eglut->window_height); |
| |
| win->index = _eglut->num_windows++; |
| win->reshape_cb = NULL; |
| win->display_cb = NULL; |
| win->keyboard_cb = _eglutDefaultKeyboard; |
| win->special_cb = NULL; |
| |
| if (!eglMakeCurrent(_eglut->dpy, win->surface, win->surface, win->context)) |
| _eglutFatal("failed to make window current"); |
| _eglut->current = win; |
| |
| skinh = get_skin_height(); |
| |
| _eglut->render = create_render(_eglut->dpy, win->surface, TYPE_3_BORDER_WIDTH, skinh); |
| return win->index; |
| } |
| |
| int |
| eglutGetWindowWidth(void) |
| { |
| struct eglut_window *win = _eglut->current; |
| return win->native.width; |
| } |
| |
| int |
| eglutGetWindowHeight(void) |
| { |
| struct eglut_window *win = _eglut->current; |
| return win->native.height; |
| } |
| |
| void |
| eglutDisplayFunc(EGLUTdisplayCB func) |
| { |
| struct eglut_window *win = _eglut->current; |
| win->display_cb = func; |
| |
| } |
| |
| void |
| eglutReshapeFunc(EGLUTreshapeCB func) |
| { |
| struct eglut_window *win = _eglut->current; |
| win->reshape_cb = func; |
| } |
| |
| void |
| eglutKeyboardFunc(EGLUTkeyboardCB func) |
| { |
| struct eglut_window *win = _eglut->current; |
| win->keyboard_cb = func; |
| } |
| |
| void |
| eglutSpecialFunc(EGLUTspecialCB func) |
| { |
| struct eglut_window *win = _eglut->current; |
| win->special_cb = func; |
| } |
| |
| int atexit(void (*func)(void)) |
| { |
| return 0; |
| }; |