+++ /dev/null
-#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 "eglutint.h"
-
-static struct eglut_state _eglut_state = {
- .api_mask = EGLUT_OPENGL_ES1_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)
-{
- if (_eglut->surface_type != EGL_PBUFFER_BIT &&
- _eglut->surface_type != EGL_SCREEN_BIT_MESA)
- eglDestroySurface(_eglut->dpy, win->surface);
-
- _eglutNativeFiniWindow(win);
-
- eglDestroyContext(_eglut->dpy, win->context);
-}
-
-static EGLConfig
-_eglutChooseConfig(void)
-{
- EGLConfig config;
- EGLint config_attribs[32];
- EGLint renderable_type, 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++] = _eglut->surface_type;
-
- config_attribs[i++] = EGL_RENDERABLE_TYPE;
- 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;
- config_attribs[i++] = renderable_type;
-
- config_attribs[i] = EGL_NONE;
-
- 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;
- EGLint context_attribs[4];
- EGLint api, i;
-
- win = calloc(1, sizeof(*win));
- if (!win)
- _eglutFatal("failed to allocate window");
-
- win->config = _eglutChooseConfig();
-
- i = 0;
- context_attribs[i] = EGL_NONE;
-
- /* multiple APIs? */
-
- api = EGL_OPENGL_ES_API;
- if (_eglut->api_mask & EGLUT_OPENGL_BIT) {
- api = EGL_OPENGL_API;
- }
- else if (_eglut->api_mask & EGLUT_OPENVG_BIT) {
- api = EGL_OPENVG_API;
- }
- else if (_eglut->api_mask & EGLUT_OPENGL_ES2_BIT) {
- context_attribs[i++] = EGL_CONTEXT_CLIENT_VERSION;
- context_attribs[i++] = 2;
- }
-
- context_attribs[i] = EGL_NONE;
-
- eglBindAPI(api);
- win->context = eglCreateContext(_eglut->dpy,
- win->config, EGL_NO_CONTEXT, context_attribs);
- 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;
- case EGL_PIXMAP_BIT:
- win->surface = eglCreatePixmapSurface(_eglut->dpy,
- win->config, win->native.u.pixmap, NULL);
- break;
- case EGL_PBUFFER_BIT:
- case EGL_SCREEN_BIT_MESA:
- win->surface = win->native.u.surface;
- 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();
-}
-
-static void
-_eglutFini(void)
-{
- eglTerminate(_eglut->dpy);
- _eglutNativeFiniDisplay();
-}
-
-void
-eglutDestroyWindow(int win)
-{
- struct eglut_window *window = _eglut->current;
-
- if (window->index != win)
- return;
-
- /* XXX it causes some bug in st/egl KMS backend */
- if ( _eglut->surface_type != EGL_SCREEN_BIT_MESA)
- eglMakeCurrent(_eglut->dpy, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
-
- _eglutDestroyWindow(_eglut->current);
-}
-
-static void
-_eglutDefaultKeyboard(unsigned char key)
-{
- if (key == 27) {
- if (_eglut->current)
- eglutDestroyWindow(_eglut->current->index);
- _eglutFini();
-
- exit(0);
- }
-}
-
-int
-eglutCreateWindow(const char *title)
-{
- struct eglut_window *win;
-
- win = _eglutCreateWindow(title, 0, 0,
- _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;
-
- 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;
-}
projects / mesa.git / blobdiff