From c727ef01083c873abfaf3c79b28d7cbcd6361bf3 Mon Sep 17 00:00:00 2001 From: Chia-I Wu Date: Thu, 1 Apr 2010 11:17:43 +0800 Subject: progs/egl: Move demos a level deeper. Move the demos to "opengl" subdirectory. --- progs/egl/xeglgears.c | 954 -------------------------------------------------- 1 file changed, 954 deletions(-) delete mode 100644 progs/egl/xeglgears.c (limited to 'progs/egl/xeglgears.c') diff --git a/progs/egl/xeglgears.c b/progs/egl/xeglgears.c deleted file mode 100644 index a6a977d9ff..0000000000 --- a/progs/egl/xeglgears.c +++ /dev/null @@ -1,954 +0,0 @@ -/* - * Copyright (C) 1999-2001 Brian Paul All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN - * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/* - * Ported to X/EGL/GLES. XXX Actually, uses full OpenGL ATM. - * Brian Paul - * 30 May 2008 - */ - -/* - * Command line options: - * -info print GL implementation information - * - */ - - -#define GL_GLEXT_PROTOTYPES -#define EGL_EGLEXT_PROTOTYPES - -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include - - -#define BENCHMARK - -#ifdef BENCHMARK - -/* XXX this probably isn't very portable */ - -#include -#include - -/* return current time (in seconds) */ -static double -current_time(void) -{ - struct timeval tv; -#ifdef __VMS - (void) gettimeofday(&tv, NULL ); -#else - struct timezone tz; - (void) gettimeofday(&tv, &tz); -#endif - return (double) tv.tv_sec + tv.tv_usec / 1000000.0; -} - -#else /*BENCHMARK*/ - -/* dummy */ -static double -current_time(void) -{ - /* update this function for other platforms! */ - static double t = 0.0; - static int warn = 1; - if (warn) { - fprintf(stderr, "Warning: current_time() not implemented!!\n"); - warn = 0; - } - return t += 1.0; -} - -#endif /*BENCHMARK*/ - - - -#ifndef M_PI -#define M_PI 3.14159265 -#endif - - -static GLfloat view_rotx = 20.0, view_roty = 30.0, view_rotz = 0.0; -static GLint gear1, gear2, gear3; -static GLfloat angle = 0.0; - -/* - * - * Draw a gear wheel. You'll probably want to call this function when - * building a display list since we do a lot of trig here. - * - * Input: inner_radius - radius of hole at center - * outer_radius - radius at center of teeth - * width - width of gear - * teeth - number of teeth - * tooth_depth - depth of tooth - */ -static void -gear(GLfloat inner_radius, GLfloat outer_radius, GLfloat width, - GLint teeth, GLfloat tooth_depth) -{ - GLint i; - GLfloat r0, r1, r2; - GLfloat angle, da; - GLfloat u, v, len; - - r0 = inner_radius; - r1 = outer_radius - tooth_depth / 2.0; - r2 = outer_radius + tooth_depth / 2.0; - - da = 2.0 * M_PI / teeth / 4.0; - - glShadeModel(GL_FLAT); - - glNormal3f(0.0, 0.0, 1.0); - - /* draw front face */ - glBegin(GL_QUAD_STRIP); - for (i = 0; i <= teeth; i++) { - angle = i * 2.0 * M_PI / teeth; - glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5); - glVertex3f(r1 * cos(angle), r1 * sin(angle), width * 0.5); - if (i < teeth) { - glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5); - glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), - width * 0.5); - } - } - glEnd(); - - /* draw front sides of teeth */ - glBegin(GL_QUADS); - da = 2.0 * M_PI / teeth / 4.0; - for (i = 0; i < teeth; i++) { - angle = i * 2.0 * M_PI / teeth; - - glVertex3f(r1 * cos(angle), r1 * sin(angle), width * 0.5); - glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), width * 0.5); - glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da), - width * 0.5); - glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), - width * 0.5); - } - glEnd(); - - glNormal3f(0.0, 0.0, -1.0); - - /* draw back face */ - glBegin(GL_QUAD_STRIP); - for (i = 0; i <= teeth; i++) { - angle = i * 2.0 * M_PI / teeth; - glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5); - glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5); - if (i < teeth) { - glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), - -width * 0.5); - glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5); - } - } - glEnd(); - - /* draw back sides of teeth */ - glBegin(GL_QUADS); - da = 2.0 * M_PI / teeth / 4.0; - for (i = 0; i < teeth; i++) { - angle = i * 2.0 * M_PI / teeth; - - glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), - -width * 0.5); - glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da), - -width * 0.5); - glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), -width * 0.5); - glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5); - } - glEnd(); - - /* draw outward faces of teeth */ - glBegin(GL_QUAD_STRIP); - for (i = 0; i < teeth; i++) { - angle = i * 2.0 * M_PI / teeth; - - glVertex3f(r1 * cos(angle), r1 * sin(angle), width * 0.5); - glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5); - u = r2 * cos(angle + da) - r1 * cos(angle); - v = r2 * sin(angle + da) - r1 * sin(angle); - len = sqrt(u * u + v * v); - u /= len; - v /= len; - glNormal3f(v, -u, 0.0); - glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), width * 0.5); - glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), -width * 0.5); - glNormal3f(cos(angle), sin(angle), 0.0); - glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da), - width * 0.5); - glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da), - -width * 0.5); - u = r1 * cos(angle + 3 * da) - r2 * cos(angle + 2 * da); - v = r1 * sin(angle + 3 * da) - r2 * sin(angle + 2 * da); - glNormal3f(v, -u, 0.0); - glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), - width * 0.5); - glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), - -width * 0.5); - glNormal3f(cos(angle), sin(angle), 0.0); - } - - glVertex3f(r1 * cos(0), r1 * sin(0), width * 0.5); - glVertex3f(r1 * cos(0), r1 * sin(0), -width * 0.5); - - glEnd(); - - glShadeModel(GL_SMOOTH); - - /* draw inside radius cylinder */ - glBegin(GL_QUAD_STRIP); - for (i = 0; i <= teeth; i++) { - angle = i * 2.0 * M_PI / teeth; - glNormal3f(-cos(angle), -sin(angle), 0.0); - glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5); - glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5); - } - glEnd(); -} - - -static void -draw(void) -{ - glClearColor(0.2, 0.2, 0.2, 0.2); - glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); - - glPushMatrix(); - glRotatef(view_rotx, 1.0, 0.0, 0.0); - glRotatef(view_roty, 0.0, 1.0, 0.0); - glRotatef(view_rotz, 0.0, 0.0, 1.0); - - glPushMatrix(); - glTranslatef(-3.0, -2.0, 0.0); - glRotatef(angle, 0.0, 0.0, 1.0); - glCallList(gear1); - glPopMatrix(); - - glPushMatrix(); - glTranslatef(3.1, -2.0, 0.0); - glRotatef(-2.0 * angle - 9.0, 0.0, 0.0, 1.0); - glCallList(gear2); - glPopMatrix(); - - glPushMatrix(); - glTranslatef(-3.1, 4.2, 0.0); - glRotatef(-2.0 * angle - 25.0, 0.0, 0.0, 1.0); - glCallList(gear3); - glPopMatrix(); - - glPopMatrix(); -} - - -/* new window size or exposure */ -static void -reshape(int width, int height) -{ - GLfloat ar = (GLfloat) width / (GLfloat) height; - - glViewport(0, 0, (GLint) width, (GLint) height); - - glMatrixMode(GL_PROJECTION); - glLoadIdentity(); - glFrustum(-ar, ar, -1, 1, 5.0, 60.0); - - glMatrixMode(GL_MODELVIEW); - glLoadIdentity(); - glTranslatef(0.0, 0.0, -40.0); -} - - - -static void -init(void) -{ - static GLfloat pos[4] = { 5.0, 5.0, 10.0, 0.0 }; - static GLfloat red[4] = { 0.8, 0.1, 0.0, 1.0 }; - static GLfloat green[4] = { 0.0, 0.8, 0.2, 1.0 }; - static GLfloat blue[4] = { 0.2, 0.2, 1.0, 1.0 }; - - glLightfv(GL_LIGHT0, GL_POSITION, pos); - glEnable(GL_CULL_FACE); - glEnable(GL_LIGHTING); - glEnable(GL_LIGHT0); - glEnable(GL_DEPTH_TEST); - - /* make the gears */ - gear1 = glGenLists(1); - glNewList(gear1, GL_COMPILE); - glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, red); - gear(1.0, 4.0, 1.0, 20, 0.7); - glEndList(); - - gear2 = glGenLists(1); - glNewList(gear2, GL_COMPILE); - glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, green); - gear(0.5, 2.0, 2.0, 10, 0.7); - glEndList(); - - gear3 = glGenLists(1); - glNewList(gear3, GL_COMPILE); - glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, blue); - gear(1.3, 2.0, 0.5, 10, 0.7); - glEndList(); - - glEnable(GL_NORMALIZE); -} - - -struct egl_manager { - EGLNativeDisplayType xdpy; - EGLNativeWindowType xwin; - EGLNativePixmapType xpix; - - EGLDisplay dpy; - EGLConfig conf; - EGLContext ctx; - - EGLSurface win; - EGLSurface pix; - EGLSurface pbuf; - EGLImageKHR image; - - EGLBoolean verbose; - EGLint major, minor; - - GC gc; - GLuint fbo; -}; - -static struct egl_manager * -egl_manager_new(EGLNativeDisplayType xdpy, const EGLint *attrib_list, - EGLBoolean verbose) -{ - struct egl_manager *eman; - const char *ver; - EGLint num_conf; - - eman = calloc(1, sizeof(*eman)); - if (!eman) - return NULL; - - eman->verbose = verbose; - eman->xdpy = xdpy; - - eman->dpy = eglGetDisplay(eman->xdpy); - if (eman->dpy == EGL_NO_DISPLAY) { - printf("eglGetDisplay() failed\n"); - free(eman); - return NULL; - } - - if (!eglInitialize(eman->dpy, &eman->major, &eman->minor)) { - printf("eglInitialize() failed\n"); - free(eman); - return NULL; - } - - ver = eglQueryString(eman->dpy, EGL_VERSION); - printf("EGL_VERSION = %s\n", ver); - - if (!eglChooseConfig(eman->dpy, attrib_list, &eman->conf, 1, &num_conf) || - !num_conf) { - printf("eglChooseConfig() failed\n"); - eglTerminate(eman->dpy); - free(eman); - return NULL; - } - - eman->ctx = eglCreateContext(eman->dpy, eman->conf, EGL_NO_CONTEXT, NULL); - if (eman->ctx == EGL_NO_CONTEXT) { - printf("eglCreateContext() failed\n"); - eglTerminate(eman->dpy); - free(eman); - return NULL; - } - - return eman; -} - -static EGLBoolean -egl_manager_create_window(struct egl_manager *eman, const char *name, - EGLint w, EGLint h, EGLBoolean need_surface, - EGLBoolean fullscreen, const EGLint *attrib_list) -{ - XVisualInfo vinfo_template, *vinfo = NULL; - EGLint val, num_vinfo; - Window root; - XSetWindowAttributes attrs; - unsigned long mask; - EGLint x = 0, y = 0; - - if (!eglGetConfigAttrib(eman->dpy, eman->conf, - EGL_NATIVE_VISUAL_ID, &val)) { - printf("eglGetConfigAttrib() failed\n"); - return EGL_FALSE; - } - if (val) { - vinfo_template.visualid = (VisualID) val; - vinfo = XGetVisualInfo(eman->xdpy, VisualIDMask, &vinfo_template, &num_vinfo); - } - /* try harder if window surface is not needed */ - if (!vinfo && !need_surface && - eglGetConfigAttrib(eman->dpy, eman->conf, EGL_BUFFER_SIZE, &val)) { - if (val == 32) - val = 24; - vinfo_template.depth = val; - vinfo = XGetVisualInfo(eman->xdpy, VisualDepthMask, &vinfo_template, &num_vinfo); - } - - if (!vinfo) { - printf("XGetVisualInfo() failed\n"); - return EGL_FALSE; - } - - root = DefaultRootWindow(eman->xdpy); - if (fullscreen) { - x = y = 0; - w = DisplayWidth(eman->xdpy, DefaultScreen(eman->xdpy)); - h = DisplayHeight(eman->xdpy, DefaultScreen(eman->xdpy)); - } - - /* window attributes */ - attrs.background_pixel = 0; - attrs.border_pixel = 0; - attrs.colormap = XCreateColormap(eman->xdpy, root, vinfo->visual, AllocNone); - attrs.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask; - attrs.override_redirect = fullscreen; - mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask | CWOverrideRedirect; - - eman->xwin = XCreateWindow(eman->xdpy, root, x, y, w, h, - 0, vinfo->depth, InputOutput, - vinfo->visual, mask, &attrs); - XFree(vinfo); - - /* set hints and properties */ - { - XSizeHints sizehints; - sizehints.x = x; - sizehints.y = y; - sizehints.width = w; - sizehints.height = h; - sizehints.flags = USSize | USPosition; - XSetNormalHints(eman->xdpy, eman->xwin, &sizehints); - XSetStandardProperties(eman->xdpy, eman->xwin, name, name, - None, (char **)NULL, 0, &sizehints); - } - - if (need_surface) { - eman->win = eglCreateWindowSurface(eman->dpy, eman->conf, - eman->xwin, attrib_list); - if (eman->win == EGL_NO_SURFACE) { - printf("eglCreateWindowSurface() failed\n"); - XDestroyWindow(eman->xdpy, eman->xwin); - eman->xwin = None; - return EGL_FALSE; - } - } - - eman->gc = XCreateGC(eman->xdpy, eman->xwin, 0, NULL); - - XMapWindow(eman->xdpy, eman->xwin); - - return EGL_TRUE; -} - -static EGLBoolean -egl_manager_create_pixmap(struct egl_manager *eman, EGLNativeWindowType xwin, - EGLBoolean need_surface, const EGLint *attrib_list) -{ - XWindowAttributes attrs; - - if (!XGetWindowAttributes(eman->xdpy, xwin, &attrs)) { - printf("XGetWindowAttributes() failed\n"); - return EGL_FALSE; - } - - eman->xpix = XCreatePixmap(eman->xdpy, xwin, - attrs.width, attrs.height, attrs.depth); - - if (need_surface) { - eman->pix = eglCreatePixmapSurface(eman->dpy, eman->conf, - eman->xpix, attrib_list); - if (eman->pix == EGL_NO_SURFACE) { - printf("eglCreatePixmapSurface() failed\n"); - XFreePixmap(eman->xdpy, eman->xpix); - eman->xpix = None; - return EGL_FALSE; - } - } - - return EGL_TRUE; -} - -static EGLBoolean -egl_manager_create_pbuffer(struct egl_manager *eman, const EGLint *attrib_list) -{ - eman->pbuf = eglCreatePbufferSurface(eman->dpy, eman->conf, attrib_list); - if (eman->pbuf == EGL_NO_SURFACE) { - printf("eglCreatePbufferSurface() failed\n"); - return EGL_FALSE; - } - - return EGL_TRUE; -} - -static void -egl_manager_destroy(struct egl_manager *eman) -{ - eglMakeCurrent(eman->dpy, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT); - eglTerminate(eman->dpy); - - if (eman->xwin != None) - XDestroyWindow(eman->xdpy, eman->xwin); - if (eman->xpix != None) - XFreePixmap(eman->xdpy, eman->xpix); - - XFreeGC(eman->xdpy, eman->gc); - - free(eman); -} - -enum { - GEARS_WINDOW, - GEARS_PIXMAP, - GEARS_PIXMAP_TEXTURE, - GEARS_PBUFFER, - GEARS_PBUFFER_TEXTURE, - GEARS_RENDERBUFFER -}; - -static void -texture_gears(struct egl_manager *eman, int surface_type) -{ - static const GLint verts[12] = - { -5, -6, -10, 5, -6, -10, -5, 4, 10, 5, 4, 10 }; - static const GLint tex_coords[8] = { 0, 0, 1, 0, 0, 1, 1, 1 }; - - eglMakeCurrent(eman->dpy, eman->win, eman->win, eman->ctx); - - glClearColor(0, 0, 0, 0); - glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); - - glEnable(GL_TEXTURE_2D); - glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); - glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_R, GL_REPEAT); - glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); - glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); - - glEnableClientState(GL_VERTEX_ARRAY); - glEnableClientState(GL_TEXTURE_COORD_ARRAY); - glVertexPointer(3, GL_INT, 0, verts); - glTexCoordPointer(2, GL_INT, 0, tex_coords); - - if (surface_type == GEARS_PBUFFER_TEXTURE) - eglBindTexImage(eman->dpy, eman->pbuf, EGL_BACK_BUFFER); - - glDrawArrays(GL_TRIANGLE_STRIP, 0, 4); - - glDisableClientState(GL_VERTEX_ARRAY); - glDisableClientState(GL_COLOR_ARRAY); - glDisable(GL_TEXTURE_2D); - - if (surface_type == GEARS_PBUFFER_TEXTURE) - eglReleaseTexImage(eman->dpy, eman->pbuf, EGL_BACK_BUFFER); - - eglSwapBuffers(eman->dpy, eman->win); -} - -static void -copy_gears(struct egl_manager *eman, - EGLint tile_w, EGLint tile_h, EGLint w, EGLint h) -{ - int x, y; - - eglWaitClient(); - - for (x = 0; x < w; x += tile_w) { - for (y = 0; y < h; y += tile_h) { - - XCopyArea(eman->xdpy, eman->xpix, eman->xwin, eman->gc, - 0, 0, tile_w, tile_h, x, y); - } - } -} - -static void -event_loop(struct egl_manager *eman, EGLint surface_type, EGLint w, EGLint h) -{ - int window_w = w, window_h = h; - - if (surface_type == EGL_PBUFFER_BIT) - printf("there will be no screen update if " - "eglCopyBuffers() is not implemented\n"); - - while (1) { - while (XPending(eman->xdpy) > 0) { - XEvent event; - XNextEvent(eman->xdpy, &event); - switch (event.type) { - case Expose: - /* we'll redraw below */ - break; - case ConfigureNotify: - window_w = event.xconfigure.width; - window_h = event.xconfigure.height; - if (surface_type == EGL_WINDOW_BIT) - reshape(window_w, window_h); - 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; - } - } - } - } - } - - { - static int frames = 0; - static double tRot0 = -1.0, tRate0 = -1.0; - double dt, t = current_time(); - if (tRot0 < 0.0) - tRot0 = t; - dt = t - tRot0; - tRot0 = t; - - /* advance rotation for next frame */ - angle += 70.0 * dt; /* 70 degrees per second */ - if (angle > 3600.0) - angle -= 3600.0; - - switch (surface_type) { - case GEARS_WINDOW: - draw(); - eglSwapBuffers(eman->dpy, eman->win); - break; - - case GEARS_PBUFFER: - draw(); - if (!eglCopyBuffers(eman->dpy, eman->pbuf, eman->xpix)) - break; - copy_gears(eman, w, h, window_w, window_h); - break; - - case GEARS_PBUFFER_TEXTURE: - eglMakeCurrent(eman->dpy, eman->pbuf, eman->pbuf, eman->ctx); - draw(); - texture_gears(eman, surface_type); - break; - - case GEARS_PIXMAP: - draw(); - copy_gears(eman, w, h, window_w, window_h); - break; - - case GEARS_PIXMAP_TEXTURE: - eglMakeCurrent(eman->dpy, eman->pix, eman->pix, eman->ctx); - draw(); - texture_gears(eman, surface_type); - break; - - case GEARS_RENDERBUFFER: - glBindFramebuffer(GL_FRAMEBUFFER_EXT, eman->fbo); - draw(); - glBindFramebuffer(GL_FRAMEBUFFER_EXT, 0); - texture_gears(eman, surface_type); - break; - } - - frames++; - - if (tRate0 < 0.0) - tRate0 = t; - if (t - tRate0 >= 5.0) { - GLfloat seconds = t - tRate0; - GLfloat fps = frames / seconds; - printf("%d frames in %3.1f seconds = %6.3f FPS\n", frames, seconds, - fps); - tRate0 = t; - frames = 0; - } - } - } -} - - -static void -usage(void) -{ - printf("Usage:\n"); - printf(" -display set the display to run on\n"); - printf(" -fullscreen run in fullscreen mode\n"); - printf(" -info display OpenGL renderer info\n"); - printf(" -pixmap use pixmap surface\n"); - printf(" -pixmap-texture use pixmap surface and texture using EGLImage\n"); - printf(" -pbuffer use pbuffer surface and eglCopyBuffers\n"); - printf(" -pbuffer-texture use pbuffer surface and eglBindTexImage\n"); - printf(" -renderbuffer renderbuffer as EGLImage and bind as texture from\n"); -} - -static const char *names[] = { - "window", - "pixmap", - "pixmap_texture", - "pbuffer", - "pbuffer_texture", - "renderbuffer" -}; - -int -main(int argc, char *argv[]) -{ - const int winWidth = 300, winHeight = 300; - Display *x_dpy; - char *dpyName = NULL; - struct egl_manager *eman; - EGLint attribs[] = { - EGL_SURFACE_TYPE, EGL_WINDOW_BIT, /* may be changed later */ - EGL_RED_SIZE, 1, - EGL_GREEN_SIZE, 1, - EGL_BLUE_SIZE, 1, - EGL_DEPTH_SIZE, 1, - EGL_RENDERABLE_TYPE, EGL_OPENGL_BIT, - EGL_NONE - }; - char win_title[] = "xeglgears (window/pixmap/pbuffer)"; - EGLint surface_type = GEARS_WINDOW; - GLboolean printInfo = GL_FALSE; - GLboolean fullscreen = GL_FALSE; - EGLBoolean ret; - GLuint texture, color_rb, depth_rb; - int i; - - 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 if (strcmp(argv[i], "-fullscreen") == 0) { - fullscreen = GL_TRUE; - } - else if (strcmp(argv[i], "-pixmap") == 0) { - surface_type = GEARS_PIXMAP; - attribs[1] = EGL_PIXMAP_BIT; - } - else if (strcmp(argv[i], "-pixmap-texture") == 0) { - surface_type = GEARS_PIXMAP_TEXTURE; - attribs[1] = EGL_PIXMAP_BIT; - } - else if (strcmp(argv[i], "-pbuffer") == 0) { - surface_type = GEARS_PBUFFER; - attribs[1] = EGL_PBUFFER_BIT; - } - else if (strcmp(argv[i], "-pbuffer-texture") == 0) { - surface_type = GEARS_PBUFFER_TEXTURE; - attribs[1] = EGL_PBUFFER_BIT; - } - else if (strcmp(argv[i], "-renderbuffer") == 0) { - surface_type = GEARS_RENDERBUFFER; - } - else { - usage(); - return -1; - } - } - - x_dpy = XOpenDisplay(dpyName); - if (!x_dpy) { - printf("Error: couldn't open display %s\n", - dpyName ? dpyName : getenv("DISPLAY")); - return -1; - } - - eglBindAPI(EGL_OPENGL_API); - - eman = egl_manager_new(x_dpy, attribs, printInfo); - if (!eman) { - XCloseDisplay(x_dpy); - return -1; - } - - snprintf(win_title, sizeof(win_title), - "xeglgears (%s)", names[surface_type]); - - ret = egl_manager_create_window(eman, win_title, winWidth, winHeight, - EGL_TRUE, fullscreen, NULL); - if (!ret) - return -1; - - /* create surface(s) */ - switch (surface_type) { - case GEARS_WINDOW: - if (ret) - ret = eglMakeCurrent(eman->dpy, eman->win, eman->win, eman->ctx); - break; - case GEARS_PIXMAP: - case GEARS_PIXMAP_TEXTURE: - ret = egl_manager_create_pixmap(eman, eman->xwin, EGL_TRUE, NULL); - if (surface_type == GEARS_PIXMAP_TEXTURE) - eman->image = eglCreateImageKHR (eman->dpy, eman->ctx, - EGL_NATIVE_PIXMAP_KHR, - (EGLClientBuffer) eman->xpix, NULL); - if (ret) - ret = eglMakeCurrent(eman->dpy, eman->pix, eman->pix, eman->ctx); - break; - case GEARS_PBUFFER: - case GEARS_PBUFFER_TEXTURE: - { - EGLint pbuf_attribs[] = { - EGL_WIDTH, winWidth, - EGL_HEIGHT, winHeight, - EGL_TEXTURE_FORMAT, EGL_TEXTURE_RGB, - EGL_TEXTURE_TARGET, EGL_TEXTURE_2D, - EGL_NONE - }; - ret = (egl_manager_create_pixmap(eman, eman->xwin, - EGL_TRUE, NULL) && - egl_manager_create_pbuffer(eman, pbuf_attribs)); - if (ret) - ret = eglMakeCurrent(eman->dpy, eman->pbuf, eman->pbuf, eman->ctx); - } - break; - - - case GEARS_RENDERBUFFER: - ret = eglMakeCurrent(eman->dpy, eman->win, eman->win, eman->ctx); - if (ret == EGL_FALSE) - printf("failed to make context current\n"); - - glGenFramebuffers(1, &eman->fbo); - glBindFramebuffer(GL_FRAMEBUFFER_EXT, eman->fbo); - - glGenRenderbuffers(1, &color_rb); - glBindRenderbuffer(GL_RENDERBUFFER_EXT, color_rb); - glRenderbufferStorage(GL_RENDERBUFFER_EXT, GL_RGBA, winWidth, winHeight); - glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, - GL_COLOR_ATTACHMENT0_EXT, - GL_RENDERBUFFER_EXT, - color_rb); - - eman->image = eglCreateImageKHR(eman->dpy, eman->ctx, - EGL_GL_RENDERBUFFER_KHR, - (EGLClientBuffer) color_rb, NULL); - - glGenRenderbuffers(1, &depth_rb); - glBindRenderbuffer(GL_RENDERBUFFER_EXT, depth_rb); - glRenderbufferStorage(GL_RENDERBUFFER_EXT, - GL_DEPTH_COMPONENT, winWidth, winHeight); - glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, - GL_DEPTH_ATTACHMENT_EXT, - GL_RENDERBUFFER_EXT, - depth_rb); - - if (glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT) != GL_FRAMEBUFFER_COMPLETE) { - printf("framebuffer not complete\n"); - exit(1); - } - - break; - - default: - ret = EGL_FALSE; - break; - } - - switch (surface_type) { - case GEARS_PIXMAP_TEXTURE: - case GEARS_RENDERBUFFER: - glGenTextures(1, &texture); - glBindTexture(GL_TEXTURE_2D, texture); - glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, eman->image); - break; - case GEARS_PBUFFER_TEXTURE: - glGenTextures(1, &texture); - glBindTexture(GL_TEXTURE_2D, texture); - break; - } - - if (!ret) { - egl_manager_destroy(eman); - XCloseDisplay(x_dpy); - 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)); - } - - 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(eman, surface_type, winWidth, winHeight); - - glDeleteLists(gear1, 1); - glDeleteLists(gear2, 1); - glDeleteLists(gear3, 1); - - egl_manager_destroy(eman); - XCloseDisplay(x_dpy); - - return 0; -} -- cgit v1.2.3