progs/egl: Add eglut.
eglut is a simple library with GLUT-like API. It is intended to be used by simple EGL demos.
This commit is contained in:
Chia-I Wu
35
progs/egl/eglut/Makefile
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35
progs/egl/eglut/Makefile
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@@ -0,0 +1,35 @@
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# progs/egl/eglut
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TOP = ../../..
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include $(TOP)/configs/current
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INCLUDES = \
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-I$(TOP)/include
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SOURCES = $(wildcard *.c)
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EGLUT_X11_OBJECTS = eglut.o eglut_x11.o
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EGLUT_SCREEN_OBJECTS = eglut.o eglut_screen.o
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default: depend libeglut-x11.a libeglut-screen.a
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libeglut-x11.a: $(EGLUT_X11_OBJECTS)
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$(MKLIB) -o eglut-x11 -static $(EGLUT_X11_OBJECTS)
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libeglut-screen.a: $(EGLUT_SCREEN_OBJECTS)
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$(MKLIB) -o eglut-screen -static $(EGLUT_SCREEN_OBJECTS)
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.c.o:
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$(CC) -c -o $@ $< $(INCLUDES) $(DEFINES) $(CFLAGS)
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depend: $(SOURCES)
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@rm -f depend
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@touch depend
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@$(MKDEP) $(MKDEP_OPTIONS) $(INCLUDES) $(SOURCES) \
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> /dev/null 2>/dev/null
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clean:
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rm -f *.o *.a
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rm -f depend depend.bak
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sinclude depend
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326
progs/egl/eglut/eglut.c
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326
progs/egl/eglut/eglut.c
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@@ -0,0 +1,326 @@
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdarg.h>
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#include <sys/time.h>
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#include "EGL/egl.h"
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#include "EGL/eglext.h"
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#include "eglutint.h"
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static struct eglut_state _eglut_state = {
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.api_mask = EGLUT_OPENGL_ES1_BIT,
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.window_width = 300,
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.window_height = 300,
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.verbose = 0,
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.num_windows = 0,
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};
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struct eglut_state *_eglut = &_eglut_state;
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void
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_eglutFatal(char *format, ...)
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{
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va_list args;
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va_start(args, format);
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fprintf(stderr, "EGLUT: ");
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vfprintf(stderr, format, args);
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va_end(args);
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putc('\n', stderr);
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exit(1);
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}
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/* return current time (in milliseconds) */
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int
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_eglutNow(void)
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{
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struct timeval tv;
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#ifdef __VMS
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(void) gettimeofday(&tv, NULL );
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#else
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struct timezone tz;
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(void) gettimeofday(&tv, &tz);
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#endif
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return tv.tv_sec * 1000 + tv.tv_usec / 1000;
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}
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static void
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_eglutDestroyWindow(struct eglut_window *win)
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{
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if (_eglut->surface_type != EGL_PBUFFER_BIT &&
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_eglut->surface_type != EGL_SCREEN_BIT_MESA)
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eglDestroySurface(_eglut->dpy, win->surface);
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_eglutNativeFiniWindow(win);
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eglDestroyContext(_eglut->dpy, win->context);
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}
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static EGLConfig
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_eglutChooseConfig(void)
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{
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EGLConfig config;
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EGLint config_attribs[32];
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EGLint renderable_type, num_configs, i;
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i = 0;
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config_attribs[i++] = EGL_RED_SIZE;
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config_attribs[i++] = 1;
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config_attribs[i++] = EGL_GREEN_SIZE;
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config_attribs[i++] = 1;
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config_attribs[i++] = EGL_BLUE_SIZE;
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config_attribs[i++] = 1;
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config_attribs[i++] = EGL_DEPTH_SIZE;
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config_attribs[i++] = 1;
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config_attribs[i++] = EGL_SURFACE_TYPE;
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config_attribs[i++] = _eglut->surface_type;
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config_attribs[i++] = EGL_RENDERABLE_TYPE;
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renderable_type = 0x0;
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if (_eglut->api_mask & EGLUT_OPENGL_BIT)
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renderable_type |= EGL_OPENGL_BIT;
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if (_eglut->api_mask & (EGLUT_OPENGL_ES1_BIT | EGLUT_OPENGL_ES2_BIT))
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renderable_type |= EGL_OPENGL_ES_BIT;
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if (_eglut->api_mask & EGLUT_OPENVG_BIT)
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renderable_type |= EGL_OPENVG_BIT;
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config_attribs[i++] = renderable_type;
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config_attribs[i] = EGL_NONE;
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if (!eglChooseConfig(_eglut->dpy,
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config_attribs, &config, 1, &num_configs) || !num_configs)
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_eglutFatal("failed to choose a config");
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return config;
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}
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static struct eglut_window *
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_eglutCreateWindow(const char *title, int x, int y, int w, int h)
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{
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struct eglut_window *win;
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EGLint context_attribs[4];
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EGLint api, i;
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win = calloc(1, sizeof(*win));
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if (!win)
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_eglutFatal("failed to allocate window");
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win->config = _eglutChooseConfig();
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i = 0;
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context_attribs[i] = EGL_NONE;
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/* multiple APIs? */
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api = EGL_OPENGL_ES_API;
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if (_eglut->api_mask & EGLUT_OPENGL_BIT) {
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api = EGL_OPENGL_API;
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}
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else if (_eglut->api_mask & EGLUT_OPENVG_BIT) {
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api = EGL_OPENVG_API;
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}
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else if (_eglut->api_mask & EGLUT_OPENGL_ES2_BIT) {
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context_attribs[i++] = EGL_CONTEXT_CLIENT_VERSION;
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context_attribs[i++] = 2;
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}
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context_attribs[i] = EGL_NONE;
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eglBindAPI(api);
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win->context = eglCreateContext(_eglut->dpy,
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win->config, EGL_NO_CONTEXT, context_attribs);
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if (!win->context)
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_eglutFatal("failed to create context");
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_eglutNativeInitWindow(win, title, x, y, w, h);
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switch (_eglut->surface_type) {
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case EGL_WINDOW_BIT:
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win->surface = eglCreateWindowSurface(_eglut->dpy,
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win->config, win->native.u.window, NULL);
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break;
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case EGL_PIXMAP_BIT:
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win->surface = eglCreatePixmapSurface(_eglut->dpy,
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win->config, win->native.u.pixmap, NULL);
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break;
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case EGL_PBUFFER_BIT:
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case EGL_SCREEN_BIT_MESA:
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win->surface = win->native.u.surface;
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break;
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default:
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break;
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}
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if (win->surface == EGL_NO_SURFACE)
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_eglutFatal("failed to create surface");
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return win;
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}
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void
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eglutInitAPIMask(int mask)
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{
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_eglut->api_mask = mask;
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}
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void
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eglutInitWindowSize(int width, int height)
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{
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_eglut->window_width = width;
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_eglut->window_height = height;
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}
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void
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eglutInit(int argc, char **argv)
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{
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int i;
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for (i = 1; i < argc; i++) {
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if (strcmp(argv[i], "-display") == 0)
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_eglut->display_name = argv[++i];
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else if (strcmp(argv[i], "-info") == 0) {
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_eglut->verbose = 1;
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}
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}
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_eglutNativeInitDisplay();
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_eglut->dpy = eglGetDisplay(_eglut->native_dpy);
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if (!eglInitialize(_eglut->dpy, &_eglut->major, &_eglut->minor))
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_eglutFatal("failed to initialize EGL display");
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_eglut->init_time = _eglutNow();
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printf("EGL_VERSION = %s\n", eglQueryString(_eglut->dpy, EGL_VERSION));
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}
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int
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eglutGet(int state)
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{
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int val;
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switch (state) {
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case EGLUT_ELAPSED_TIME:
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val = _eglutNow() - _eglut->init_time;
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break;
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default:
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val = -1;
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break;
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}
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return val;
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}
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void
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eglutIdleFunc(EGLUTidleCB func)
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{
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_eglut->idle_cb = func;
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}
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void
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eglutPostRedisplay(void)
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{
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_eglut->redisplay = 1;
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}
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void
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eglutMainLoop(void)
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{
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struct eglut_window *win = _eglut->current;
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if (!win)
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_eglutFatal("no window is created\n");
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if (win->reshape_cb)
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win->reshape_cb(win->native.width, win->native.height);
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_eglutNativeEventLoop();
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}
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static void
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_eglutFini(void)
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{
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eglTerminate(_eglut->dpy);
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_eglutNativeFiniDisplay();
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}
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static void
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_eglutDefaultKeyboard(unsigned char key)
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{
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if (key == 27) {
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/* XXX it causes some bug in st/egl KMS backend */
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if ( _eglut->surface_type != EGL_SCREEN_BIT_MESA)
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eglMakeCurrent(_eglut->dpy, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
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_eglutDestroyWindow(_eglut->current);
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_eglutFini();
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exit(0);
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}
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}
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int
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eglutCreateWindow(const char *title)
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{
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struct eglut_window *win;
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win = _eglutCreateWindow(title, 0, 0,
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_eglut->window_width, _eglut->window_height);
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win->index = _eglut->num_windows++;
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win->reshape_cb = NULL;
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win->display_cb = NULL;
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win->keyboard_cb = _eglutDefaultKeyboard;
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win->special_cb = NULL;
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if (!eglMakeCurrent(_eglut->dpy, win->surface, win->surface, win->context))
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_eglutFatal("failed to make window current");
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_eglut->current = win;
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return win->index;
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}
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int
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eglutGetWindowWidth(void)
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{
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struct eglut_window *win = _eglut->current;
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return win->native.width;
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}
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int
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eglutGetWindowHeight(void)
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{
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struct eglut_window *win = _eglut->current;
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return win->native.height;
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}
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void
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eglutDisplayFunc(EGLUTdisplayCB func)
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{
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struct eglut_window *win = _eglut->current;
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win->display_cb = func;
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}
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void
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eglutReshapeFunc(EGLUTreshapeCB func)
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{
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struct eglut_window *win = _eglut->current;
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win->reshape_cb = func;
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}
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void
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eglutKeyboardFunc(EGLUTkeyboardCB func)
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{
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struct eglut_window *win = _eglut->current;
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win->keyboard_cb = func;
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}
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void
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eglutSpecialFunc(EGLUTspecialCB func)
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{
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struct eglut_window *win = _eglut->current;
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win->special_cb = func;
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}
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67
progs/egl/eglut/eglut.h
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67
progs/egl/eglut/eglut.h
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@@ -0,0 +1,67 @@
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#ifndef EGLUT_H
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#define EGLUT_H
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/* used by eglutInitAPIMask */
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enum {
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EGLUT_OPENGL_BIT = 0x1,
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EGLUT_OPENGL_ES1_BIT = 0x2,
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EGLUT_OPENGL_ES2_BIT = 0x4,
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EGLUT_OPENVG_BIT = 0x8
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};
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/* used by EGLUTspecialCB */
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enum {
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/* function keys */
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EGLUT_KEY_F1,
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EGLUT_KEY_F2,
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EGLUT_KEY_F3,
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EGLUT_KEY_F4,
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EGLUT_KEY_F5,
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EGLUT_KEY_F6,
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EGLUT_KEY_F7,
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EGLUT_KEY_F8,
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EGLUT_KEY_F9,
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EGLUT_KEY_F10,
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EGLUT_KEY_F11,
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EGLUT_KEY_F12,
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/* directional keys */
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EGLUT_KEY_LEFT,
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EGLUT_KEY_UP,
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EGLUT_KEY_RIGHT,
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EGLUT_KEY_DOWN,
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};
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/* used by eglutGet */
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enum {
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EGLUT_ELAPSED_TIME
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};
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typedef void (*EGLUTidleCB)(void);
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typedef void (*EGLUTreshapeCB)(int, int);
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typedef void (*EGLUTdisplayCB)(void);
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typedef void (*EGLUTkeyboardCB)(unsigned char);
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typedef void (*EGLUTspecialCB)(int);
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void eglutInitAPIMask(int mask);
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void eglutInitWindowSize(int width, int height);
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void eglutInit(int argc, char **argv);
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int eglutGet(int state);
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void eglutIdleFunc(EGLUTidleCB func);
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void eglutPostRedisplay(void);
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void eglutMainLoop(void);
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int eglutCreateWindow(const char *title);
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int eglutGetWindowWidth(void);
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int eglutGetWindowHeight(void);
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void eglutDisplayFunc(EGLUTdisplayCB func);
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void eglutReshapeFunc(EGLUTreshapeCB func);
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void eglutKeyboardFunc(EGLUTkeyboardCB func);
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void eglutSpecialFunc(EGLUTspecialCB func);
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#endif /* EGLUT_H */
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154
progs/egl/eglut/eglut_screen.c
Normal file
154
progs/egl/eglut/eglut_screen.c
Normal file
@@ -0,0 +1,154 @@
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#include <stdio.h>
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#include <string.h>
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#include <sys/time.h>
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#define EGL_EGLEXT_PROTOTYPES
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#include "EGL/egl.h"
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#include "EGL/eglext.h"
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#include "eglutint.h"
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#define MAX_MODES 100
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static EGLScreenMESA kms_screen;
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static EGLModeMESA kms_mode;
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static EGLint kms_width, kms_height;
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void
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_eglutNativeInitDisplay(void)
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{
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_eglut->native_dpy = EGL_DEFAULT_DISPLAY;
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_eglut->surface_type = EGL_SCREEN_BIT_MESA;
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}
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void
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_eglutNativeFiniDisplay(void)
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{
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kms_screen = 0;
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kms_mode = 0;
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kms_width = 0;
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kms_height = 0;
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}
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static void
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init_kms(void)
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{
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EGLModeMESA modes[MAX_MODES];
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EGLint num_screens, num_modes;
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EGLint width, height, best_mode;
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EGLint i;
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if (!eglGetScreensMESA(_eglut->dpy, &kms_screen, 1, &num_screens) ||
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!num_screens)
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_eglutFatal("eglGetScreensMESA failed\n");
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if (!eglGetModesMESA(_eglut->dpy, kms_screen,
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modes, MAX_MODES, &num_modes) || !num_modes)
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_eglutFatal("eglGetModesMESA failed!\n");
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printf("Found %d modes:\n", num_modes);
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best_mode = 0;
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width = 0;
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height = 0;
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for (i = 0; i < num_modes; i++) {
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EGLint w, h;
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eglGetModeAttribMESA(_eglut->dpy, modes[i], EGL_WIDTH, &w);
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eglGetModeAttribMESA(_eglut->dpy, modes[i], EGL_HEIGHT, &h);
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printf("%3d: %d x %d\n", i, w, h);
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if (w > width && h > height) {
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width = w;
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height = h;
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best_mode = i;
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}
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}
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printf("Will use screen size: %d x %d\n", width, height);
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kms_mode = modes[best_mode];
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kms_width = width;
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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++;
|
||||
}
|
||||
}
|
||||
}
|
||||
220
progs/egl/eglut/eglut_x11.c
Normal file
220
progs/egl/eglut/eglut_x11.c
Normal file
@@ -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);
|
||||
}
|
||||
}
|
||||
}
|
||||
78
progs/egl/eglut/eglutint.h
Normal file
78
progs/egl/eglut/eglutint.h
Normal file
@@ -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_ */
|
||||
Reference in New Issue
Block a user