From 02551cab472fae0359f4f432e4ad05ba2f241ba6 Mon Sep 17 00:00:00 2001 From: Chia-I Wu Date: Thu, 1 Apr 2010 13:12:16 +0800 Subject: progs/egl: Porg xegl_tri to eglut. --- progs/egl/opengl/Makefile | 10 +- progs/egl/opengl/xegl_tri.c | 274 +++++--------------------------------------- 2 files changed, 30 insertions(+), 254 deletions(-) (limited to 'progs') diff --git a/progs/egl/opengl/Makefile b/progs/egl/opengl/Makefile index 6a4cea870d..04a89b1d4a 100644 --- a/progs/egl/opengl/Makefile +++ b/progs/egl/opengl/Makefile @@ -14,7 +14,8 @@ LIBS = -L$(TOP)/$(LIB_DIR) -lEGL -lGL -lm EGLUT_DIR = $(TOP)/progs/egl/eglut EGLUT_DEMOS = \ - eglgears + eglgears \ + xegl_tri EGLUT_X11_DEMOS := $(addsuffix _x11,$(EGLUT_DEMOS)) EGLUT_SCREEN_DEMOS := $(addsuffix _screen,$(EGLUT_DEMOS)) @@ -28,8 +29,7 @@ PROGRAMS = \ eglscreen \ peglgears \ xeglgears \ - xeglthreads \ - xegl_tri + xeglthreads .c.o: @@ -66,10 +66,6 @@ xeglgears: xeglgears.o $(HEADERS) $(LIB_DEP) xeglthreads: xeglthreads.o $(HEADERS) $(LIB_DEP) $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< $(LIBS) -lpthread -lm $(X11_LIBS) -xegl_tri: xegl_tri.o $(HEADERS) $(LIB_DEP) - $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< $(LIBS) -lm $(X11_LIBS) - - $(EGLUT_DIR)/libeglut-x11.a $(EGLUT_DIR)/libeglut-screen.a: @$(MAKE) -C $(EGLUT_DIR) diff --git a/progs/egl/opengl/xegl_tri.c b/progs/egl/opengl/xegl_tri.c index 1f1a005a21..fb1dde3529 100644 --- a/progs/egl/opengl/xegl_tri.c +++ b/progs/egl/opengl/xegl_tri.c @@ -26,16 +26,12 @@ */ -#include #include #include -#include #include -#include -#include -#include -#include /* using full OpenGL for now */ -#include +#include + +#include "eglut.h" static GLfloat view_rotx = 0.0, view_roty = 0.0, view_rotz = 0.0; @@ -103,259 +99,43 @@ init(void) } -/* - * Create an RGB, double-buffered X window. - * Return the window and context handles. - */ static void -make_x_window(Display *x_dpy, EGLDisplay egl_dpy, - const char *name, - int x, int y, int width, int height, - Window *winRet, - EGLContext *ctxRet, - EGLSurface *surfRet) +special_key(int special) { - static const EGLint attribs[] = { - EGL_RED_SIZE, 1, - EGL_GREEN_SIZE, 1, - EGL_BLUE_SIZE, 1, - EGL_DEPTH_SIZE, 1, - EGL_RENDERABLE_TYPE, EGL_OPENGL_BIT, - EGL_NONE - }; - - int scrnum; - XSetWindowAttributes attr; - unsigned long mask; - Window root; - Window win; - XVisualInfo *visInfo, visTemplate; - int num_visuals; - EGLContext ctx; - EGLConfig config; - EGLint num_configs; - EGLint vid; - - scrnum = DefaultScreen( x_dpy ); - root = RootWindow( x_dpy, scrnum ); - - if (!eglChooseConfig( egl_dpy, attribs, &config, 1, &num_configs) || - !num_configs) { - printf("Error: couldn't get an EGL visual config\n"); - exit(1); - } - - assert(config); - assert(num_configs > 0); - - if (!eglGetConfigAttrib(egl_dpy, config, EGL_NATIVE_VISUAL_ID, &vid)) { - printf("Error: eglGetConfigAttrib() failed\n"); - exit(1); - } - - /* The X window visual must match the EGL config */ - visTemplate.visualid = vid; - visInfo = XGetVisualInfo(x_dpy, VisualIDMask, &visTemplate, &num_visuals); - if (!visInfo) { - printf("Error: couldn't get X visual\n"); - exit(1); - } - - /* window attributes */ - attr.background_pixel = 0; - attr.border_pixel = 0; - attr.colormap = XCreateColormap( x_dpy, root, visInfo->visual, AllocNone); - attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask; - mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask; - - win = XCreateWindow( x_dpy, root, 0, 0, width, height, - 0, visInfo->depth, InputOutput, - visInfo->visual, mask, &attr ); - - /* set hints and properties */ - { - XSizeHints sizehints; - sizehints.x = x; - sizehints.y = y; - sizehints.width = width; - sizehints.height = height; - sizehints.flags = USSize | USPosition; - XSetNormalHints(x_dpy, win, &sizehints); - XSetStandardProperties(x_dpy, win, name, name, - None, (char **)NULL, 0, &sizehints); - } - - eglBindAPI(EGL_OPENGL_API); - - ctx = eglCreateContext(egl_dpy, config, EGL_NO_CONTEXT, NULL ); - if (!ctx) { - printf("Error: glXCreateContext failed\n"); - exit(1); - } - - *surfRet = eglCreateWindowSurface(egl_dpy, config, win, NULL); - - if (!*surfRet) { - printf("Error: eglCreateWindowSurface failed\n"); - exit(1); + switch (special) { + case EGLUT_KEY_LEFT: + view_roty += 5.0; + break; + case EGLUT_KEY_RIGHT: + view_roty -= 5.0; + break; + case EGLUT_KEY_UP: + view_rotx += 5.0; + break; + case EGLUT_KEY_DOWN: + view_rotx -= 5.0; + break; + default: + break; } - - XFree(visInfo); - - *winRet = win; - *ctxRet = ctx; } - -static void -event_loop(Display *dpy, Window win, - EGLDisplay egl_dpy, EGLSurface egl_surf) -{ - while (1) { - int redraw = 0; - XEvent event; - - XNextEvent(dpy, &event); - - switch (event.type) { - case Expose: - redraw = 1; - break; - case ConfigureNotify: - reshape(event.xconfigure.width, event.xconfigure.height); - break; - case KeyPress: - { - char buffer[10]; - int r, code; - code = XLookupKeysym(&event.xkey, 0); - if (code == XK_Left) { - view_roty += 5.0; - } - else if (code == XK_Right) { - view_roty -= 5.0; - } - else if (code == XK_Up) { - view_rotx += 5.0; - } - else if (code == XK_Down) { - view_rotx -= 5.0; - } - else { - r = XLookupString(&event.xkey, buffer, sizeof(buffer), - NULL, NULL); - if (buffer[0] == 27) { - /* escape */ - return; - } - } - } - redraw = 1; - break; - default: - ; /*no-op*/ - } - - if (redraw) { - draw(); - eglSwapBuffers(egl_dpy, egl_surf); - } - } -} - - -static void -usage(void) -{ - printf("Usage:\n"); - printf(" -display set the display to run on\n"); - printf(" -info display OpenGL renderer info\n"); -} - - int main(int argc, char *argv[]) { - const int winWidth = 300, winHeight = 300; - Display *x_dpy; - Window win; - EGLSurface egl_surf; - EGLContext egl_ctx; - EGLDisplay egl_dpy; - char *dpyName = NULL; - GLboolean printInfo = GL_FALSE; - EGLint egl_major, egl_minor; - int i; - const char *s; + eglutInitWindowSize(300, 300); + eglutInitAPIMask(EGLUT_OPENGL_BIT); + eglutInit(argc, argv); - for (i = 1; i < argc; i++) { - if (strcmp(argv[i], "-display") == 0) { - dpyName = argv[i+1]; - i++; - } - else if (strcmp(argv[i], "-info") == 0) { - printInfo = GL_TRUE; - } - else { - usage(); - return -1; - } - } + eglutCreateWindow("egltri"); - x_dpy = XOpenDisplay(dpyName); - if (!x_dpy) { - printf("Error: couldn't open display %s\n", - dpyName ? dpyName : getenv("DISPLAY")); - return -1; - } - - egl_dpy = eglGetDisplay(x_dpy); - if (!egl_dpy) { - printf("Error: eglGetDisplay() failed\n"); - return -1; - } - - if (!eglInitialize(egl_dpy, &egl_major, &egl_minor)) { - printf("Error: eglInitialize() failed\n"); - return -1; - } - - s = eglQueryString(egl_dpy, EGL_VERSION); - printf("EGL_VERSION = %s\n", s); - - make_x_window(x_dpy, egl_dpy, - "xegl_tri", 0, 0, winWidth, winHeight, - &win, &egl_ctx, &egl_surf); - - XMapWindow(x_dpy, win); - if (!eglMakeCurrent(egl_dpy, egl_surf, egl_surf, egl_ctx)) { - printf("Error: eglMakeCurrent() failed\n"); - return -1; - } - - if (printInfo) { - printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER)); - printf("GL_VERSION = %s\n", (char *) glGetString(GL_VERSION)); - printf("GL_VENDOR = %s\n", (char *) glGetString(GL_VENDOR)); - } + eglutReshapeFunc(reshape); + eglutDisplayFunc(draw); + eglutSpecialFunc(special_key); init(); - /* Set initial projection/viewing transformation. - * We can't be sure we'll get a ConfigureNotify event when the window - * first appears. - */ - reshape(winWidth, winHeight); - - event_loop(x_dpy, win, egl_dpy, egl_surf); - - eglDestroyContext(egl_dpy, egl_ctx); - eglDestroySurface(egl_dpy, egl_surf); - eglTerminate(egl_dpy); - - - XDestroyWindow(x_dpy, win); - XCloseDisplay(x_dpy); + eglutMainLoop(); return 0; } -- cgit v1.2.3