progs/egl: Port drawtex and torus to eglut.
This brings the demos also to KMS and removes about 400 duplicated lines of code.
This commit is contained in:
+24
-4
@@ -195,6 +195,13 @@ eglutInit(int argc, char **argv)
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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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if (_eglut->verbose) {
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printf("EGL_VENDOR = %s\n", eglQueryString(_eglut->dpy, EGL_VENDOR));
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printf("EGL_EXTENSIONS = %s\n",
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eglQueryString(_eglut->dpy, EGL_EXTENSIONS));
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printf("EGL_CLIENT_APIS = %s\n",
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eglQueryString(_eglut->dpy, EGL_CLIENT_APIS));
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}
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}
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int
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@@ -247,14 +254,27 @@ _eglutFini(void)
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_eglutNativeFiniDisplay();
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}
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void
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eglutDestroyWindow(int win)
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{
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struct eglut_window *window = _eglut->current;
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if (window->index != win)
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return;
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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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}
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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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if (_eglut->current)
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eglutDestroyWindow(_eglut->current->index);
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_eglutFini();
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exit(0);
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@@ -55,6 +55,7 @@ void eglutPostRedisplay(void);
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void eglutMainLoop(void);
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int eglutCreateWindow(const char *title);
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void eglutDestroyWindow(int win);
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int eglutGetWindowWidth(void);
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int eglutGetWindowHeight(void);
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@@ -1,12 +1,15 @@
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bindtex
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drawtex
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drawtex_x11
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drawtex_screen
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es1_info
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gears_x11
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gears_screen
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msaa
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pbuffer
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render_tex
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torus
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texture_from_pixmap
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torus_x11
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torus_screen
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tri_x11
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tri_screen
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two_win
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@@ -22,7 +22,9 @@ ES1_LIBS = \
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EGLUT_DIR = $(TOP)/progs/egl/eglut
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EGLUT_DEMOS = \
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drawtex \
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gears \
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torus \
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tri
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EGLUT_X11_DEMOS := $(addsuffix _x11,$(EGLUT_DEMOS))
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@@ -30,13 +32,11 @@ EGLUT_SCREEN_DEMOS := $(addsuffix _screen,$(EGLUT_DEMOS))
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PROGRAMS = \
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bindtex \
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drawtex \
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es1_info \
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msaa \
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pbuffer \
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render_tex \
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texture_from_pixmap \
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torus \
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two_win
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@@ -53,10 +53,6 @@ bindtex: bindtex.o $(ES1_LIB_DEPS)
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$(CC) $(CFLAGS) bindtex.o $(ES1_LIBS) -o $@
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drawtex: drawtex.o $(ES1_LIB_DEPS)
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$(CC) $(CFLAGS) drawtex.o $(ES1_LIBS) -o $@
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es1_info: es1_info.o $(ES1_LIB_DEPS)
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$(CC) $(CFLAGS) es1_info.o $(ES1_LIBS) -o $@
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+62
-272
@@ -10,22 +10,20 @@
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#define GL_GLEXT_PROTOTYPES
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#include <assert.h>
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#include <math.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#include <X11/keysym.h>
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#include <GLES/gl.h>
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#include <GLES/glext.h>
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#include <EGL/egl.h>
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#include "eglut.h"
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static GLfloat view_posx = 10.0, view_posy = 20.0;
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static GLfloat width = 200, height = 200;
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static GLboolean animate = GL_FALSE;
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static int win;
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static void
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@@ -137,291 +135,83 @@ init(void)
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}
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/*
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* Create an RGB, double-buffered X window.
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* Return the window and context handles.
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*/
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static void
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make_x_window(Display *x_dpy, EGLDisplay egl_dpy,
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const char *name,
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int x, int y, int width, int height,
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Window *winRet,
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EGLContext *ctxRet,
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EGLSurface *surfRet)
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idle(void)
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{
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static const EGLint attribs[] = {
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EGL_RED_SIZE, 1,
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EGL_GREEN_SIZE, 1,
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EGL_BLUE_SIZE, 1,
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EGL_NONE
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};
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int scrnum;
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XSetWindowAttributes attr;
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unsigned long mask;
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Window root;
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Window win;
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XVisualInfo *visInfo, visTemplate;
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int num_visuals;
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EGLContext ctx;
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EGLConfig config;
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EGLint num_configs;
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EGLint vid;
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scrnum = DefaultScreen( x_dpy );
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root = RootWindow( x_dpy, scrnum );
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if (!eglChooseConfig( egl_dpy, attribs, &config, 1, &num_configs)) {
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printf("Error: couldn't get an EGL visual config\n");
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exit(1);
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}
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assert(config);
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assert(num_configs > 0);
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if (!eglGetConfigAttrib(egl_dpy, config, EGL_NATIVE_VISUAL_ID, &vid)) {
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printf("Error: eglGetConfigAttrib() failed\n");
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exit(1);
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}
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/* The X window visual must match the EGL config */
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visTemplate.visualid = vid;
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visInfo = XGetVisualInfo(x_dpy, VisualIDMask, &visTemplate, &num_visuals);
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if (!visInfo) {
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printf("Error: couldn't get X visual\n");
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exit(1);
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}
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/* window attributes */
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attr.background_pixel = 0;
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attr.border_pixel = 0;
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attr.colormap = XCreateColormap( x_dpy, root, visInfo->visual, AllocNone);
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attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask;
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mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
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win = XCreateWindow( x_dpy, root, 0, 0, width, height,
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0, visInfo->depth, InputOutput,
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visInfo->visual, mask, &attr );
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/* set hints and properties */
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{
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XSizeHints sizehints;
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sizehints.x = x;
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sizehints.y = y;
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sizehints.width = width;
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sizehints.height = height;
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sizehints.flags = USSize | USPosition;
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XSetNormalHints(x_dpy, win, &sizehints);
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XSetStandardProperties(x_dpy, win, name, name,
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None, (char **)NULL, 0, &sizehints);
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}
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eglBindAPI(EGL_OPENGL_ES_API);
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ctx = eglCreateContext(egl_dpy, config, EGL_NO_CONTEXT, NULL );
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if (!ctx) {
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printf("Error: eglCreateContext failed\n");
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exit(1);
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}
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*surfRet = eglCreateWindowSurface(egl_dpy, config, win, NULL);
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if (!*surfRet) {
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printf("Error: eglCreateWindowSurface failed\n");
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exit(1);
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}
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XFree(visInfo);
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*winRet = win;
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*ctxRet = ctx;
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}
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static void
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event_loop(Display *dpy, Window win,
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EGLDisplay egl_dpy, EGLSurface egl_surf)
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{
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int anim = 0;
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while (1) {
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int redraw = 0;
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if (!anim || XPending(dpy)) {
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XEvent event;
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XNextEvent(dpy, &event);
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switch (event.type) {
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case Expose:
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redraw = 1;
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break;
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case ConfigureNotify:
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reshape(event.xconfigure.width, event.xconfigure.height);
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break;
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case KeyPress:
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{
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char buffer[10];
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int r, code;
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code = XLookupKeysym(&event.xkey, 0);
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if (code == XK_Left) {
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view_posx -= 1.0;
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}
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else if (code == XK_Right) {
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view_posx += 1.0;
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}
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else if (code == XK_Up) {
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view_posy += 1.0;
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}
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else if (code == XK_Down) {
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view_posy -= 1.0;
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}
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else {
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r = XLookupString(&event.xkey, buffer, sizeof(buffer),
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NULL, NULL);
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if (buffer[0] == ' ') {
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anim = !anim;
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}
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else if (buffer[0] == 'w') {
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width -= 1.0f;
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}
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else if (buffer[0] == 'W') {
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width += 1.0f;
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}
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else if (buffer[0] == 'h') {
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height -= 1.0f;
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}
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else if (buffer[0] == 'H') {
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height += 1.0f;
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}
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else if (buffer[0] == 27) {
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/* escape */
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return;
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}
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}
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}
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redraw = 1;
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break;
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default:
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; /*no-op*/
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}
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}
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if (anim) {
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view_posx += 1.0;
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view_posy += 2.0;
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redraw = 1;
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}
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if (redraw) {
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draw();
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eglSwapBuffers(egl_dpy, egl_surf);
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}
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if (animate) {
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view_posx += 1.0;
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view_posy += 2.0;
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eglutPostRedisplay();
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}
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}
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static void
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key(unsigned char key)
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{
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switch (key) {
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case ' ':
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animate = !animate;
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break;
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case 'w':
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width -= 1.0f;
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break;
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case 'W':
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width += 1.0f;
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break;
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case 'h':
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height -= 1.0f;
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break;
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case 'H':
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height += 1.0f;
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break;
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case 27:
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eglutDestroyWindow(win);
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exit(0);
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break;
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default:
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break;
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}
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}
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static void
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usage(void)
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special_key(int key)
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{
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printf("Usage:\n");
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printf(" -display <displayname> set the display to run on\n");
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printf(" -info display OpenGL renderer info\n");
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switch (key) {
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case EGLUT_KEY_LEFT:
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view_posx -= 1.0;
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break;
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case EGLUT_KEY_RIGHT:
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view_posx += 1.0;
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break;
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case EGLUT_KEY_UP:
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view_posy += 1.0;
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break;
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case EGLUT_KEY_DOWN:
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view_posy -= 1.0;
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break;
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default:
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break;
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}
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}
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int
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main(int argc, char *argv[])
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{
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const int winWidth = 400, winHeight = 300;
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Display *x_dpy;
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Window win;
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EGLSurface egl_surf;
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EGLContext egl_ctx;
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EGLDisplay egl_dpy;
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char *dpyName = NULL;
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GLboolean printInfo = GL_FALSE;
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EGLint egl_major, egl_minor;
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int i;
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const char *s;
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eglutInitWindowSize(400, 300);
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eglutInitAPIMask(EGLUT_OPENGL_ES1_BIT);
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eglutInit(argc, argv);
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for (i = 1; i < argc; i++) {
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if (strcmp(argv[i], "-display") == 0) {
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dpyName = argv[i+1];
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i++;
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}
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else if (strcmp(argv[i], "-info") == 0) {
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printInfo = GL_TRUE;
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}
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else {
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usage();
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return -1;
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}
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}
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win = eglutCreateWindow("drawtex");
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x_dpy = XOpenDisplay(dpyName);
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if (!x_dpy) {
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printf("Error: couldn't open display %s\n",
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dpyName ? dpyName : getenv("DISPLAY"));
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return -1;
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}
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egl_dpy = eglGetDisplay(x_dpy);
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if (!egl_dpy) {
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printf("Error: eglGetDisplay() failed\n");
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return -1;
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}
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if (!eglInitialize(egl_dpy, &egl_major, &egl_minor)) {
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printf("Error: eglInitialize() failed\n");
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return -1;
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}
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s = eglQueryString(egl_dpy, EGL_VERSION);
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printf("EGL_VERSION = %s\n", s);
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s = eglQueryString(egl_dpy, EGL_VENDOR);
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printf("EGL_VENDOR = %s\n", s);
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s = eglQueryString(egl_dpy, EGL_EXTENSIONS);
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printf("EGL_EXTENSIONS = %s\n", s);
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s = eglQueryString(egl_dpy, EGL_CLIENT_APIS);
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printf("EGL_CLIENT_APIS = %s\n", s);
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make_x_window(x_dpy, egl_dpy,
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"drawtex", 0, 0, winWidth, winHeight,
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&win, &egl_ctx, &egl_surf);
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XMapWindow(x_dpy, win);
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if (!eglMakeCurrent(egl_dpy, egl_surf, egl_surf, egl_ctx)) {
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printf("Error: eglMakeCurrent() failed\n");
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return -1;
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}
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if (printInfo) {
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printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
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printf("GL_VERSION = %s\n", (char *) glGetString(GL_VERSION));
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printf("GL_VENDOR = %s\n", (char *) glGetString(GL_VENDOR));
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printf("GL_EXTENSIONS = %s\n", (char *) glGetString(GL_EXTENSIONS));
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}
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eglutIdleFunc(idle);
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eglutReshapeFunc(reshape);
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eglutDisplayFunc(draw);
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eglutKeyboardFunc(key);
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eglutSpecialFunc(special_key);
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init();
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/* Set initial projection/viewing transformation.
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* We can't be sure we'll get a ConfigureNotify event when the window
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* first appears.
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*/
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reshape(winWidth, winHeight);
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event_loop(x_dpy, win, egl_dpy, egl_surf);
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eglDestroyContext(egl_dpy, egl_ctx);
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eglDestroySurface(egl_dpy, egl_surf);
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eglTerminate(egl_dpy);
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XDestroyWindow(x_dpy, win);
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XCloseDisplay(x_dpy);
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eglutMainLoop();
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return 0;
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}
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+60
-268
@@ -13,14 +13,9 @@
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#include <math.h>
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#include <stdlib.h>
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#include <stdio.h>
|
||||
#include <string.h>
|
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#include <X11/Xlib.h>
|
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#include <X11/Xutil.h>
|
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#include <X11/keysym.h>
|
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#include <GLES/gl.h>
|
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#include <GLES/glext.h>
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#include <EGL/egl.h>
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|
||||
#include "eglut.h"
|
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||||
static const struct {
|
||||
GLenum internalFormat;
|
||||
@@ -43,6 +38,8 @@ static const struct {
|
||||
|
||||
static GLfloat view_rotx = 0.0, view_roty = 0.0, view_rotz = 0.0;
|
||||
static GLint tex_format = NUM_CPAL_FORMATS;
|
||||
static GLboolean animate = GL_TRUE;
|
||||
static int win;
|
||||
|
||||
|
||||
static void
|
||||
@@ -364,293 +361,88 @@ init(void)
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}
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/*
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* Create an RGB, double-buffered X window.
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* Return the window and context handles.
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*/
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static void
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make_x_window(Display *x_dpy, EGLDisplay egl_dpy,
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const char *name,
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int x, int y, int width, int height,
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Window *winRet,
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EGLContext *ctxRet,
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EGLSurface *surfRet)
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idle(void)
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{
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static const EGLint attribs[] = {
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EGL_RED_SIZE, 1,
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EGL_GREEN_SIZE, 1,
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EGL_BLUE_SIZE, 1,
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EGL_DEPTH_SIZE, 1,
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EGL_NONE
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};
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int scrnum;
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XSetWindowAttributes attr;
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unsigned long mask;
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Window root;
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Window win;
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XVisualInfo *visInfo, visTemplate;
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int num_visuals;
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EGLContext ctx;
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EGLConfig config;
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EGLint num_configs;
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EGLint vid;
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scrnum = DefaultScreen( x_dpy );
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root = RootWindow( x_dpy, scrnum );
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if (!eglChooseConfig( egl_dpy, attribs, &config, 1, &num_configs)) {
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printf("Error: couldn't get an EGL visual config\n");
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exit(1);
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if (animate) {
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view_rotx += 1.0;
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view_roty += 2.0;
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eglutPostRedisplay();
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}
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assert(config);
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assert(num_configs > 0);
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if (!eglGetConfigAttrib(egl_dpy, config, EGL_NATIVE_VISUAL_ID, &vid)) {
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printf("Error: eglGetConfigAttrib() failed\n");
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exit(1);
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}
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/* The X window visual must match the EGL config */
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visTemplate.visualid = vid;
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visInfo = XGetVisualInfo(x_dpy, VisualIDMask, &visTemplate, &num_visuals);
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if (!visInfo) {
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printf("Error: couldn't get X visual\n");
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exit(1);
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}
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/* window attributes */
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attr.background_pixel = 0;
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attr.border_pixel = 0;
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attr.colormap = XCreateColormap( x_dpy, root, visInfo->visual, AllocNone);
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attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask;
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mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
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win = XCreateWindow( x_dpy, root, 0, 0, width, height,
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0, visInfo->depth, InputOutput,
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visInfo->visual, mask, &attr );
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/* set hints and properties */
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{
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XSizeHints sizehints;
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sizehints.x = x;
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sizehints.y = y;
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sizehints.width = width;
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sizehints.height = height;
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sizehints.flags = USSize | USPosition;
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XSetNormalHints(x_dpy, win, &sizehints);
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XSetStandardProperties(x_dpy, win, name, name,
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None, (char **)NULL, 0, &sizehints);
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}
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eglBindAPI(EGL_OPENGL_ES_API);
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ctx = eglCreateContext(egl_dpy, config, EGL_NO_CONTEXT, NULL );
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if (!ctx) {
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printf("Error: eglCreateContext failed\n");
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exit(1);
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}
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*surfRet = eglCreateWindowSurface(egl_dpy, config, win, NULL);
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if (!*surfRet) {
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printf("Error: eglCreateWindowSurface failed\n");
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exit(1);
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}
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XFree(visInfo);
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*winRet = win;
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*ctxRet = ctx;
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}
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static void
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event_loop(Display *dpy, Window win,
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EGLDisplay egl_dpy, EGLSurface egl_surf)
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key(unsigned char key)
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{
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int anim = 1;
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while (1) {
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int redraw = 0;
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if (!anim || XPending(dpy)) {
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XEvent event;
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XNextEvent(dpy, &event);
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switch (event.type) {
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case Expose:
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redraw = 1;
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break;
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case ConfigureNotify:
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reshape(event.xconfigure.width, event.xconfigure.height);
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break;
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case KeyPress:
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{
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char buffer[10];
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int r, code;
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code = XLookupKeysym(&event.xkey, 0);
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if (code == XK_Left) {
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view_roty += 5.0;
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}
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else if (code == XK_Right) {
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view_roty -= 5.0;
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}
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else if (code == XK_Up) {
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view_rotx += 5.0;
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}
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else if (code == XK_Down) {
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view_rotx -= 5.0;
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}
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else if (code == XK_t) {
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GLint size;
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tex_format = (tex_format + 1) % (NUM_CPAL_FORMATS + 1);
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if (tex_format < NUM_CPAL_FORMATS) {
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size = make_cpal_texture(tex_format);
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printf("Using %s (%d bytes)\n",
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cpal_formats[tex_format].name, size);
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}
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else {
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size = make_texture();
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printf("Using uncompressed texture (%d bytes)\n", size);
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}
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}
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else {
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r = XLookupString(&event.xkey, buffer, sizeof(buffer),
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NULL, NULL);
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if (buffer[0] == ' ') {
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anim = !anim;
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}
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else if (buffer[0] == 27) {
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/* escape */
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return;
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}
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}
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}
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redraw = 1;
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break;
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default:
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; /*no-op*/
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switch (key) {
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case ' ':
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animate = !animate;
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break;
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case 't':
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{
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GLint size;
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tex_format = (tex_format + 1) % (NUM_CPAL_FORMATS + 1);
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if (tex_format < NUM_CPAL_FORMATS) {
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size = make_cpal_texture(tex_format);
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printf("Using %s (%d bytes)\n",
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cpal_formats[tex_format].name, size);
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}
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else {
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size = make_texture();
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printf("Using uncompressed texture (%d bytes)\n", size);
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}
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}
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if (anim) {
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view_rotx += 1.0;
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view_roty += 2.0;
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redraw = 1;
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}
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if (redraw) {
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draw();
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eglSwapBuffers(egl_dpy, egl_surf);
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eglutPostRedisplay();
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}
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break;
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case 27:
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eglutDestroyWindow(win);
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exit(0);
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break;
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default:
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break;
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}
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}
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static void
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usage(void)
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special_key(int key)
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{
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printf("Usage:\n");
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printf(" -display <displayname> set the display to run on\n");
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printf(" -info display OpenGL renderer info\n");
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switch (key) {
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case EGLUT_KEY_LEFT:
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view_roty += 5.0;
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break;
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case EGLUT_KEY_RIGHT:
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view_roty -= 5.0;
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break;
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case EGLUT_KEY_UP:
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view_rotx += 5.0;
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break;
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case EGLUT_KEY_DOWN:
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view_rotx -= 5.0;
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break;
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default:
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break;
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}
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}
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int
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main(int argc, char *argv[])
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{
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const int winWidth = 300, winHeight = 300;
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Display *x_dpy;
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Window win;
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EGLSurface egl_surf;
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EGLContext egl_ctx;
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EGLDisplay egl_dpy;
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char *dpyName = NULL;
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GLboolean printInfo = GL_FALSE;
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EGLint egl_major, egl_minor;
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int i;
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const char *s;
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eglutInitWindowSize(300, 300);
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eglutInitAPIMask(EGLUT_OPENGL_ES1_BIT);
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eglutInit(argc, argv);
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for (i = 1; i < argc; i++) {
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if (strcmp(argv[i], "-display") == 0) {
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dpyName = argv[i+1];
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i++;
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}
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else if (strcmp(argv[i], "-info") == 0) {
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printInfo = GL_TRUE;
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}
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else {
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usage();
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return -1;
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}
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}
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win = eglutCreateWindow("torus");
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x_dpy = XOpenDisplay(dpyName);
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if (!x_dpy) {
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printf("Error: couldn't open display %s\n",
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dpyName ? dpyName : getenv("DISPLAY"));
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return -1;
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}
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egl_dpy = eglGetDisplay(x_dpy);
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if (!egl_dpy) {
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printf("Error: eglGetDisplay() failed\n");
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return -1;
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}
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if (!eglInitialize(egl_dpy, &egl_major, &egl_minor)) {
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printf("Error: eglInitialize() failed\n");
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return -1;
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}
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s = eglQueryString(egl_dpy, EGL_VERSION);
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printf("EGL_VERSION = %s\n", s);
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s = eglQueryString(egl_dpy, EGL_VENDOR);
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printf("EGL_VENDOR = %s\n", s);
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s = eglQueryString(egl_dpy, EGL_EXTENSIONS);
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printf("EGL_EXTENSIONS = %s\n", s);
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s = eglQueryString(egl_dpy, EGL_CLIENT_APIS);
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printf("EGL_CLIENT_APIS = %s\n", s);
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make_x_window(x_dpy, egl_dpy,
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"torus", 0, 0, winWidth, winHeight,
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&win, &egl_ctx, &egl_surf);
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XMapWindow(x_dpy, win);
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if (!eglMakeCurrent(egl_dpy, egl_surf, egl_surf, egl_ctx)) {
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printf("Error: eglMakeCurrent() failed\n");
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return -1;
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}
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if (printInfo) {
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printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
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printf("GL_VERSION = %s\n", (char *) glGetString(GL_VERSION));
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printf("GL_VENDOR = %s\n", (char *) glGetString(GL_VENDOR));
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printf("GL_EXTENSIONS = %s\n", (char *) glGetString(GL_EXTENSIONS));
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}
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eglutIdleFunc(idle);
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eglutReshapeFunc(reshape);
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eglutDisplayFunc(draw);
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eglutKeyboardFunc(key);
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eglutSpecialFunc(special_key);
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init();
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/* Set initial projection/viewing transformation.
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* We can't be sure we'll get a ConfigureNotify event when the window
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* first appears.
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*/
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reshape(winWidth, winHeight);
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event_loop(x_dpy, win, egl_dpy, egl_surf);
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eglDestroyContext(egl_dpy, egl_ctx);
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eglDestroySurface(egl_dpy, egl_surf);
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eglTerminate(egl_dpy);
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||||
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||||
XDestroyWindow(x_dpy, win);
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XCloseDisplay(x_dpy);
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||||
eglutMainLoop();
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return 0;
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}
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Reference in New Issue
Block a user