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-rw-r--r--progs/egl/eglut/Makefile35
-rw-r--r--progs/egl/eglut/eglut.c326
-rw-r--r--progs/egl/eglut/eglut.h67
-rw-r--r--progs/egl/eglut/eglut_screen.c154
-rw-r--r--progs/egl/eglut/eglut_x11.c220
-rw-r--r--progs/egl/eglut/eglutint.h78
6 files changed, 880 insertions, 0 deletions
diff --git a/progs/egl/eglut/Makefile b/progs/egl/eglut/Makefile
new file mode 100644
index 0000000000..f5cafa7010
--- /dev/null
+++ b/progs/egl/eglut/Makefile
@@ -0,0 +1,35 @@
+# progs/egl/eglut
+
+TOP = ../../..
+include $(TOP)/configs/current
+
+INCLUDES = \
+ -I$(TOP)/include
+
+SOURCES = $(wildcard *.c)
+
+EGLUT_X11_OBJECTS = eglut.o eglut_x11.o
+EGLUT_SCREEN_OBJECTS = eglut.o eglut_screen.o
+
+default: depend libeglut-x11.a libeglut-screen.a
+
+libeglut-x11.a: $(EGLUT_X11_OBJECTS)
+ $(MKLIB) -o eglut-x11 -static $(EGLUT_X11_OBJECTS)
+
+libeglut-screen.a: $(EGLUT_SCREEN_OBJECTS)
+ $(MKLIB) -o eglut-screen -static $(EGLUT_SCREEN_OBJECTS)
+
+.c.o:
+ $(CC) -c -o $@ $< $(INCLUDES) $(DEFINES) $(CFLAGS)
+
+depend: $(SOURCES)
+ @rm -f depend
+ @touch depend
+ @$(MKDEP) $(MKDEP_OPTIONS) $(INCLUDES) $(SOURCES) \
+ > /dev/null 2>/dev/null
+
+clean:
+ rm -f *.o *.a
+ rm -f depend depend.bak
+
+sinclude depend
diff --git a/progs/egl/eglut/eglut.c b/progs/egl/eglut/eglut.c
new file mode 100644
index 0000000000..0bfd5d5b06
--- /dev/null
+++ b/progs/egl/eglut/eglut.c
@@ -0,0 +1,326 @@
+#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 | EGLUT_OPENGL_ES2_BIT))
+ renderable_type |= EGL_OPENGL_ES_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));
+}
+
+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();
+}
+
+static void
+_eglutDefaultKeyboard(unsigned char key)
+{
+ if (key == 27) {
+ /* 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);
+ _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;
+}
diff --git a/progs/egl/eglut/eglut.h b/progs/egl/eglut/eglut.h
new file mode 100644
index 0000000000..521cc12eab
--- /dev/null
+++ b/progs/egl/eglut/eglut.h
@@ -0,0 +1,67 @@
+#ifndef EGLUT_H
+#define EGLUT_H
+
+/* used by eglutInitAPIMask */
+enum {
+ EGLUT_OPENGL_BIT = 0x1,
+ EGLUT_OPENGL_ES1_BIT = 0x2,
+ EGLUT_OPENGL_ES2_BIT = 0x4,
+ EGLUT_OPENVG_BIT = 0x8
+};
+
+/* used by EGLUTspecialCB */
+enum {
+ /* function keys */
+ EGLUT_KEY_F1,
+ EGLUT_KEY_F2,
+ EGLUT_KEY_F3,
+ EGLUT_KEY_F4,
+ EGLUT_KEY_F5,
+ EGLUT_KEY_F6,
+ EGLUT_KEY_F7,
+ EGLUT_KEY_F8,
+ EGLUT_KEY_F9,
+ EGLUT_KEY_F10,
+ EGLUT_KEY_F11,
+ EGLUT_KEY_F12,
+
+ /* directional keys */
+ EGLUT_KEY_LEFT,
+ EGLUT_KEY_UP,
+ EGLUT_KEY_RIGHT,
+ EGLUT_KEY_DOWN,
+};
+
+/* used by eglutGet */
+enum {
+ EGLUT_ELAPSED_TIME
+};
+
+typedef void (*EGLUTidleCB)(void);
+typedef void (*EGLUTreshapeCB)(int, int);
+typedef void (*EGLUTdisplayCB)(void);
+typedef void (*EGLUTkeyboardCB)(unsigned char);
+typedef void (*EGLUTspecialCB)(int);
+
+void eglutInitAPIMask(int mask);
+void eglutInitWindowSize(int width, int height);
+void eglutInit(int argc, char **argv);
+
+int eglutGet(int state);
+
+void eglutIdleFunc(EGLUTidleCB func);
+void eglutPostRedisplay(void);
+
+void eglutMainLoop(void);
+
+int eglutCreateWindow(const char *title);
+
+int eglutGetWindowWidth(void);
+int eglutGetWindowHeight(void);
+
+void eglutDisplayFunc(EGLUTdisplayCB func);
+void eglutReshapeFunc(EGLUTreshapeCB func);
+void eglutKeyboardFunc(EGLUTkeyboardCB func);
+void eglutSpecialFunc(EGLUTspecialCB func);
+
+#endif /* EGLUT_H */
diff --git a/progs/egl/eglut/eglut_screen.c b/progs/egl/eglut/eglut_screen.c
new file mode 100644
index 0000000000..50549e4bcf
--- /dev/null
+++ b/progs/egl/eglut/eglut_screen.c
@@ -0,0 +1,154 @@
+#include <stdio.h>
+#include <string.h>
+#include <sys/time.h>
+
+#define EGL_EGLEXT_PROTOTYPES
+#include "EGL/egl.h"
+#include "EGL/eglext.h"
+
+#include "eglutint.h"
+
+#define MAX_MODES 100
+
+static EGLScreenMESA kms_screen;
+static EGLModeMESA kms_mode;
+static EGLint kms_width, kms_height;
+
+void
+_eglutNativeInitDisplay(void)
+{
+ _eglut->native_dpy = EGL_DEFAULT_DISPLAY;
+ _eglut->surface_type = EGL_SCREEN_BIT_MESA;
+}
+
+void
+_eglutNativeFiniDisplay(void)
+{
+ kms_screen = 0;
+ kms_mode = 0;
+ kms_width = 0;
+ kms_height = 0;
+}
+
+static void
+init_kms(void)
+{
+ EGLModeMESA modes[MAX_MODES];
+ EGLint num_screens, num_modes;
+ EGLint width, height, best_mode;
+ EGLint i;
+
+ if (!eglGetScreensMESA(_eglut->dpy, &kms_screen, 1, &num_screens) ||
+ !num_screens)
+ _eglutFatal("eglGetScreensMESA failed\n");
+
+ if (!eglGetModesMESA(_eglut->dpy, kms_screen,
+ modes, MAX_MODES, &num_modes) || !num_modes)
+ _eglutFatal("eglGetModesMESA failed!\n");
+
+ printf("Found %d modes:\n", num_modes);
+
+ best_mode = 0;
+ width = 0;
+ height = 0;
+ for (i = 0; i < num_modes; i++) {
+ EGLint w, h;
+ eglGetModeAttribMESA(_eglut->dpy, modes[i], EGL_WIDTH, &w);
+ eglGetModeAttribMESA(_eglut->dpy, modes[i], EGL_HEIGHT, &h);
+ printf("%3d: %d x %d\n", i, w, h);
+ if (w > width && h > height) {
+ width = w;
+ height = h;
+ best_mode = i;
+ }
+ }
+
+ printf("Will use screen size: %d x %d\n", width, height);
+
+ kms_mode = modes[best_mode];
+ kms_width = width;
+ kms_height = height;
+}
+
+void
+_eglutNativeInitWindow(struct eglut_window *win, const char *title,
+ int x, int y, int w, int h)
+{
+ EGLint surf_attribs[16];
+ EGLint i;
+ const char *exts;
+
+ exts = eglQueryString(_eglut->dpy, EGL_EXTENSIONS);
+ if (!exts || !strstr(exts, "EGL_MESA_screen_surface"))
+ _eglutFatal("EGL_MESA_screen_surface is not supported\n");
+
+ init_kms();
+
+ i = 0;
+ surf_attribs[i++] = EGL_WIDTH;
+ surf_attribs[i++] = kms_width;
+ surf_attribs[i++] = EGL_HEIGHT;
+ surf_attribs[i++] = kms_height;
+ surf_attribs[i++] = EGL_NONE;
+
+ /* create surface */
+ win->native.u.surface = eglCreateScreenSurfaceMESA(_eglut->dpy,
+ win->config, surf_attribs);
+ if (win->native.u.surface == EGL_NO_SURFACE)
+ _eglutFatal("eglCreateScreenSurfaceMESA failed\n");
+
+ if (!eglShowScreenSurfaceMESA(_eglut->dpy, kms_screen,
+ win->native.u.surface, kms_mode))
+ _eglutFatal("eglShowScreenSurfaceMESA failed\n");
+
+ win->native.width = kms_width;
+ win->native.height = kms_height;
+}
+
+void
+_eglutNativeFiniWindow(struct eglut_window *win)
+{
+ eglShowScreenSurfaceMESA(_eglut->dpy,
+ kms_screen, EGL_NO_SURFACE, 0);
+ eglDestroySurface(_eglut->dpy, win->native.u.surface);
+}
+
+void
+_eglutNativeEventLoop(void)
+{
+ int start = _eglutNow();
+ int frames = 0;
+
+ _eglut->redisplay = 1;
+
+ while (1) {
+ struct eglut_window *win = _eglut->current;
+ int now = _eglutNow();
+
+ if (now - start > 5000) {
+ double elapsed = (double) (now - start) / 1000.0;
+
+ printf("%d frames in %3.1f seconds = %6.3f FPS\n",
+ frames, elapsed, frames / elapsed);
+
+ start = now;
+ frames = 0;
+
+ /* send escape */
+ if (win->keyboard_cb)
+ win->keyboard_cb(27);
+ }
+
+ if (_eglut->idle_cb)
+ _eglut->idle_cb();
+
+ if (_eglut->redisplay) {
+ _eglut->redisplay = 0;
+
+ if (win->display_cb)
+ win->display_cb();
+ eglSwapBuffers(_eglut->dpy, win->surface);
+ frames++;
+ }
+ }
+}
diff --git a/progs/egl/eglut/eglut_x11.c b/progs/egl/eglut/eglut_x11.c
new file mode 100644
index 0000000000..f3b2280374
--- /dev/null
+++ b/progs/egl/eglut/eglut_x11.c
@@ -0,0 +1,220 @@
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <X11/keysym.h>
+
+#include "eglutint.h"
+
+void
+_eglutNativeInitDisplay(void)
+{
+ _eglut->native_dpy = XOpenDisplay(_eglut->display_name);
+ if (!_eglut->native_dpy)
+ _eglutFatal("failed to initialize native display");
+
+ _eglut->surface_type = EGL_WINDOW_BIT;
+}
+
+void
+_eglutNativeFiniDisplay(void)
+{
+ XCloseDisplay(_eglut->native_dpy);
+}
+
+void
+_eglutNativeInitWindow(struct eglut_window *win, const char *title,
+ int x, int y, int w, int h)
+{
+ XVisualInfo *visInfo, visTemplate;
+ int num_visuals;
+ Window root, xwin;
+ XSetWindowAttributes attr;
+ unsigned long mask;
+ EGLint vid;
+
+ if (!eglGetConfigAttrib(_eglut->dpy,
+ win->config, EGL_NATIVE_VISUAL_ID, &vid))
+ _eglutFatal("failed to get visual id");
+
+ /* The X window visual must match the EGL config */
+ visTemplate.visualid = vid;
+ visInfo = XGetVisualInfo(_eglut->native_dpy,
+ VisualIDMask, &visTemplate, &num_visuals);
+ if (!visInfo)
+ _eglutFatal("failed to get an visual of id 0x%x", vid);
+
+ root = RootWindow(_eglut->native_dpy, DefaultScreen(_eglut->native_dpy));
+
+ /* window attributes */
+ attr.background_pixel = 0;
+ attr.border_pixel = 0;
+ attr.colormap = XCreateColormap(_eglut->native_dpy,
+ root, visInfo->visual, AllocNone);
+ attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask;
+ mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
+
+ xwin = XCreateWindow(_eglut->native_dpy, root, x, y, w, h,
+ 0, visInfo->depth, InputOutput, visInfo->visual, mask, &attr);
+ if (!xwin)
+ _eglutFatal("failed to create a window");
+
+ XFree(visInfo);
+
+ /* set hints and properties */
+ {
+ XSizeHints sizehints;
+ sizehints.x = x;
+ sizehints.y = y;
+ sizehints.width = w;
+ sizehints.height = h;
+ sizehints.flags = USSize | USPosition;
+ XSetNormalHints(_eglut->native_dpy, xwin, &sizehints);
+ XSetStandardProperties(_eglut->native_dpy, xwin,
+ title, title, None, (char **) NULL, 0, &sizehints);
+ }
+
+ XMapWindow(_eglut->native_dpy, xwin);
+
+ win->native.u.window = xwin;
+ win->native.width = w;
+ win->native.height = h;
+}
+
+void
+_eglutNativeFiniWindow(struct eglut_window *win)
+{
+ XDestroyWindow(_eglut->native_dpy, win->native.u.window);
+}
+
+static int
+lookup_keysym(KeySym sym)
+{
+ int special;
+
+ switch (sym) {
+ case XK_F1:
+ special = EGLUT_KEY_F1;
+ break;
+ case XK_F2:
+ special = EGLUT_KEY_F2;
+ break;
+ case XK_F3:
+ special = EGLUT_KEY_F3;
+ break;
+ case XK_F4:
+ special = EGLUT_KEY_F4;
+ break;
+ case XK_F5:
+ special = EGLUT_KEY_F5;
+ break;
+ case XK_F6:
+ special = EGLUT_KEY_F6;
+ break;
+ case XK_F7:
+ special = EGLUT_KEY_F7;
+ break;
+ case XK_F8:
+ special = EGLUT_KEY_F8;
+ break;
+ case XK_F9:
+ special = EGLUT_KEY_F9;
+ break;
+ case XK_F10:
+ special = EGLUT_KEY_F10;
+ break;
+ case XK_F11:
+ special = EGLUT_KEY_F11;
+ break;
+ case XK_F12:
+ special = EGLUT_KEY_F12;
+ break;
+ case XK_KP_Left:
+ case XK_Left:
+ special = EGLUT_KEY_LEFT;
+ break;
+ case XK_KP_Up:
+ case XK_Up:
+ special = EGLUT_KEY_UP;
+ break;
+ case XK_KP_Right:
+ case XK_Right:
+ special = EGLUT_KEY_RIGHT;
+ break;
+ case XK_KP_Down:
+ case XK_Down:
+ special = EGLUT_KEY_DOWN;
+ break;
+ default:
+ special = -1;
+ break;
+ }
+
+ return special;
+}
+
+static void
+next_event(struct eglut_window *win)
+{
+ int redraw = 0;
+ XEvent event;
+
+ if (!XPending(_eglut->native_dpy)) {
+ if (_eglut->idle_cb)
+ _eglut->idle_cb();
+ return;
+ }
+
+ XNextEvent(_eglut->native_dpy, &event);
+
+ switch (event.type) {
+ case Expose:
+ redraw = 1;
+ break;
+ case ConfigureNotify:
+ win->native.width = event.xconfigure.width;
+ win->native.height = event.xconfigure.height;
+ if (win->reshape_cb)
+ win->reshape_cb(win->native.width, win->native.height);
+ break;
+ case KeyPress:
+ {
+ char buffer[1];
+ KeySym sym;
+ int r;
+
+ r = XLookupString(&event.xkey,
+ buffer, sizeof(buffer), &sym, NULL);
+ if (r && win->keyboard_cb) {
+ win->keyboard_cb(buffer[0]);
+ }
+ else if (!r && win->special_cb) {
+ r = lookup_keysym(sym);
+ if (r >= 0)
+ win->special_cb(r);
+ }
+ }
+ redraw = 1;
+ break;
+ default:
+ ; /*no-op*/
+ }
+
+ _eglut->redisplay = redraw;
+}
+
+void
+_eglutNativeEventLoop(void)
+{
+ while (1) {
+ struct eglut_window *win = _eglut->current;
+
+ next_event(win);
+
+ if (_eglut->redisplay) {
+ _eglut->redisplay = 0;
+
+ if (win->display_cb)
+ win->display_cb();
+ eglSwapBuffers(_eglut->dpy, win->surface);
+ }
+ }
+}
diff --git a/progs/egl/eglut/eglutint.h b/progs/egl/eglut/eglutint.h
new file mode 100644
index 0000000000..54d329f328
--- /dev/null
+++ b/progs/egl/eglut/eglutint.h
@@ -0,0 +1,78 @@
+#ifndef _EGLUTINT_H_
+#define _EGLUTINT_H_
+
+#include "EGL/egl.h"
+#include "eglut.h"
+
+struct eglut_window {
+ EGLConfig config;
+ EGLContext context;
+
+ /* initialized by native display */
+ struct {
+ union {
+ EGLNativeWindowType window;
+ EGLNativePixmapType pixmap;
+ EGLSurface surface; /* pbuffer or screen surface */
+ } u;
+ int width, height;
+ } native;
+
+ EGLSurface surface;
+
+ int index;
+
+ EGLUTreshapeCB reshape_cb;
+ EGLUTdisplayCB display_cb;
+ EGLUTkeyboardCB keyboard_cb;
+ EGLUTspecialCB special_cb;
+};
+
+struct eglut_state {
+ int api_mask;
+ int window_width, window_height;
+ const char *display_name;
+ int verbose;
+ int init_time;
+
+ EGLUTidleCB idle_cb;
+
+ int num_windows;
+
+ /* initialized by native display */
+ EGLNativeDisplayType native_dpy;
+ EGLint surface_type;
+
+ EGLDisplay dpy;
+ EGLint major, minor;
+
+ struct eglut_window *current;
+
+ int redisplay;
+};
+
+extern struct eglut_state *_eglut;
+
+void
+_eglutFatal(char *format, ...);
+
+int
+_eglutNow(void);
+
+void
+_eglutNativeInitDisplay(void);
+
+void
+_eglutNativeFiniDisplay(void);
+
+void
+_eglutNativeInitWindow(struct eglut_window *win, const char *title,
+ int x, int y, int w, int h);
+
+void
+_eglutNativeFiniWindow(struct eglut_window *win);
+
+void
+_eglutNativeEventLoop(void);
+
+#endif /* _EGLUTINT_H_ */