diff --git a/clients/gears.c b/clients/gears.c deleted file mode 100644 index ef19a480..00000000 --- a/clients/gears.c +++ /dev/null @@ -1,504 +0,0 @@ -/* - * Copyright © 2008 Kristian Høgsberg - * - * 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 (including the next - * paragraph) 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 - * THE AUTHORS OR COPYRIGHT HOLDERS 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. - */ - -#include "config.h" - -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include - -#include -#include - -#include "window.h" - -struct gears { - struct window *window; - struct widget *widget; - - struct display *d; - - EGLDisplay display; - EGLDisplay config; - EGLContext context; - GLfloat angle; - - struct { - GLfloat rotx; - GLfloat roty; - } view; - - int button_down; - int last_x, last_y; - - GLint gear_list[3]; - int fullscreen; - int frames; - uint32_t last_fps; -}; - -struct gear_template { - GLfloat material[4]; - GLfloat inner_radius; - GLfloat outer_radius; - GLfloat width; - GLint teeth; - GLfloat tooth_depth; -}; - -static const struct gear_template gear_templates[] = { - { { 0.8, 0.1, 0.0, 1.0 }, 1.0, 4.0, 1.0, 20, 0.7 }, - { { 0.0, 0.8, 0.2, 1.0 }, 0.5, 2.0, 2.0, 10, 0.7 }, - { { 0.2, 0.2, 1.0, 1.0 }, 1.3, 2.0, 0.5, 10, 0.7 }, -}; - -static GLfloat light_pos[4] = {5.0, 5.0, 10.0, 0.0}; - -static void die(const char *msg) -{ - fprintf(stderr, "%s", msg); - exit(EXIT_FAILURE); -} - -static void -make_gear(const struct gear_template *t) -{ - GLint i; - GLfloat r0, r1, r2; - GLfloat angle, da; - GLfloat u, v, len; - - glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, t->material); - - r0 = t->inner_radius; - r1 = t->outer_radius - t->tooth_depth / 2.0; - r2 = t->outer_radius + t->tooth_depth / 2.0; - - da = 2.0 * M_PI / t->teeth / 4.0; - - glShadeModel(GL_FLAT); - - glNormal3f(0.0, 0.0, 1.0); - - /* draw front face */ - glBegin(GL_QUAD_STRIP); - for (i = 0; i <= t->teeth; i++) { - angle = i * 2.0 * M_PI / t->teeth; - glVertex3f(r0 * cos(angle), r0 * sin(angle), t->width * 0.5); - glVertex3f(r1 * cos(angle), r1 * sin(angle), t->width * 0.5); - if (i < t->teeth) { - glVertex3f(r0 * cos(angle), r0 * sin(angle), t->width * 0.5); - glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), t->width * 0.5); - } - } - glEnd(); - - /* draw front sides of teeth */ - glBegin(GL_QUADS); - da = 2.0 * M_PI / t->teeth / 4.0; - for (i = 0; i < t->teeth; i++) { - angle = i * 2.0 * M_PI / t->teeth; - - glVertex3f(r1 * cos(angle), r1 * sin(angle), t->width * 0.5); - glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), t->width * 0.5); - glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da), t->width * 0.5); - glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), t->width * 0.5); - } - glEnd(); - - glNormal3f(0.0, 0.0, -1.0); - - /* draw back face */ - glBegin(GL_QUAD_STRIP); - for (i = 0; i <= t->teeth; i++) { - angle = i * 2.0 * M_PI / t->teeth; - glVertex3f(r1 * cos(angle), r1 * sin(angle), -t->width * 0.5); - glVertex3f(r0 * cos(angle), r0 * sin(angle), -t->width * 0.5); - if (i < t->teeth) { - glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), -t->width * 0.5); - glVertex3f(r0 * cos(angle), r0 * sin(angle), -t->width * 0.5); - } - } - glEnd(); - - /* draw back sides of teeth */ - glBegin(GL_QUADS); - da = 2.0 * M_PI / t->teeth / 4.0; - for (i = 0; i < t->teeth; i++) { - angle = i * 2.0 * M_PI / t->teeth; - - glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), -t->width * 0.5); - glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da), -t->width * 0.5); - glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), -t->width * 0.5); - glVertex3f(r1 * cos(angle), r1 * sin(angle), -t->width * 0.5); - } - glEnd(); - - /* draw outward faces of teeth */ - glBegin(GL_QUAD_STRIP); - for (i = 0; i < t->teeth; i++) { - angle = i * 2.0 * M_PI / t->teeth; - - glVertex3f(r1 * cos(angle), r1 * sin(angle), t->width * 0.5); - glVertex3f(r1 * cos(angle), r1 * sin(angle), -t->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), t->width * 0.5); - glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), -t->width * 0.5); - glNormal3f(cos(angle), sin(angle), 0.0); - glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da), t->width * 0.5); - glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da), -t->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), t->width * 0.5); - glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), -t->width * 0.5); - glNormal3f(cos(angle), sin(angle), 0.0); - } - - glVertex3f(r1 * cos(0), r1 * sin(0), t->width * 0.5); - glVertex3f(r1 * cos(0), r1 * sin(0), -t->width * 0.5); - - glEnd(); - - glShadeModel(GL_SMOOTH); - - /* draw inside radius cylinder */ - glBegin(GL_QUAD_STRIP); - for (i = 0; i <= t->teeth; i++) { - angle = i * 2.0 * M_PI / t->teeth; - glNormal3f(-cos(angle), -sin(angle), 0.0); - glVertex3f(r0 * cos(angle), r0 * sin(angle), -t->width * 0.5); - glVertex3f(r0 * cos(angle), r0 * sin(angle), t->width * 0.5); - } - glEnd(); -} - -static void -update_fps(struct gears *gears, uint32_t time) -{ - long diff_ms; - static bool first_call = true; - - if (first_call) { - gears->last_fps = time; - first_call = false; - } else - gears->frames++; - - diff_ms = time - gears->last_fps; - - if (diff_ms > 5000) { - float seconds = diff_ms / 1000.0; - float fps = gears->frames / seconds; - - printf("%d frames in %6.3f seconds = %6.3f FPS\n", gears->frames, seconds, fps); - fflush(stdout); - - gears->frames = 0; - gears->last_fps = time; - } -} - -static void -frame_callback(void *data, struct wl_callback *callback, uint32_t time) -{ - struct gears *gears = data; - - update_fps(gears, time); - - gears->angle = (GLfloat) (time % 8192) * 360 / 8192.0; - - window_schedule_redraw(gears->window); - - if (callback) - wl_callback_destroy(callback); -} - -static const struct wl_callback_listener listener = { - frame_callback -}; - -static int -motion_handler(struct widget *widget, struct input *input, - uint32_t time, float x, float y, void *data) -{ - struct gears *gears = data; - int offset_x, offset_y; - float step = 0.5; - - if (gears->button_down) { - offset_x = x - gears->last_x; - offset_y = y - gears->last_y; - gears->last_x = x; - gears->last_y = y; - gears->view.roty += offset_x * step; - gears->view.rotx += offset_y * step; - if (gears->view.roty >= 360) - gears->view.roty = gears->view.roty - 360; - if (gears->view.roty <= 0) - gears->view.roty = gears->view.roty + 360; - if (gears->view.rotx >= 360) - gears->view.rotx = gears->view.rotx - 360; - if (gears->view.rotx <= 0) - gears->view.rotx = gears->view.rotx + 360; - } - - return CURSOR_LEFT_PTR; -} - -static void -button_handler(struct widget *widget, struct input *input, - uint32_t time, uint32_t button, - enum wl_pointer_button_state state, void *data) -{ - struct gears *gears = data; - - if (button == BTN_LEFT) { - if (state == WL_POINTER_BUTTON_STATE_PRESSED) { - gears->button_down = 1; - input_get_position(input, - &gears->last_x, &gears->last_y); - } else { - gears->button_down = 0; - } - } -} - -static void -redraw_handler(struct widget *widget, void *data) -{ - struct rectangle window_allocation; - struct rectangle allocation; - struct wl_callback *callback; - struct gears *gears = data; - - widget_get_allocation(gears->widget, &allocation); - window_get_allocation(gears->window, &window_allocation); - - if (display_acquire_window_surface(gears->d, - gears->window, - gears->context) < 0) { - die("Unable to acquire window surface, " - "compiled without cairo-egl?\n"); - } - - glViewport(allocation.x, - window_allocation.height - allocation.height - allocation.y, - allocation.width, allocation.height); - glScissor(allocation.x, - window_allocation.height - allocation.height - allocation.y, - allocation.width, allocation.height); - - glEnable(GL_SCISSOR_TEST); - glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); - - glPushMatrix(); - - glTranslatef(0.0, 0.0, -50); - - glRotatef(gears->view.rotx, 1.0, 0.0, 0.0); - glRotatef(gears->view.roty, 0.0, 1.0, 0.0); - - glPushMatrix(); - glTranslatef(-3.0, -2.0, 0.0); - glRotatef(gears->angle, 0.0, 0.0, 1.0); - glCallList(gears->gear_list[0]); - glPopMatrix(); - - glPushMatrix(); - glTranslatef(3.1, -2.0, 0.0); - glRotatef(-2.0 * gears->angle - 9.0, 0.0, 0.0, 1.0); - glCallList(gears->gear_list[1]); - glPopMatrix(); - - glPushMatrix(); - glTranslatef(-3.1, 4.2, 0.0); - glRotatef(-2.0 * gears->angle - 25.0, 0.0, 0.0, 1.0); - glCallList(gears->gear_list[2]); - glPopMatrix(); - - glPopMatrix(); - - glFlush(); - - display_release_window_surface(gears->d, gears->window); - - callback = wl_surface_frame(window_get_wl_surface(gears->window)); - wl_callback_add_listener(callback, &listener, gears); -} - -static void -resize_handler(struct widget *widget, - int32_t width, int32_t height, void *data) -{ - struct gears *gears = data; - int32_t size, big, small; - - /* Constrain child size to be square and at least 300x300 */ - if (width < height) { - small = width; - big = height; - } else { - small = height; - big = width; - } - - if (gears->fullscreen) - size = small; - else - size = big; - - widget_set_size(gears->widget, size, size); -} - -static void -keyboard_focus_handler(struct window *window, - struct input *device, void *data) -{ - window_schedule_redraw(window); -} - -static void -fullscreen_handler(struct window *window, void *data) -{ - struct gears *gears = data; - - gears->fullscreen ^= 1; - window_set_fullscreen(window, gears->fullscreen); -} - -static struct gears * -gears_create(struct display *display) -{ - const int width = 450, height = 500; - struct gears *gears; - int i; - - gears = zalloc(sizeof *gears); - gears->d = display; - gears->window = window_create(display); - gears->widget = window_frame_create(gears->window, gears); - window_set_title(gears->window, "Wayland Gears"); - window_set_appid(gears->window, "org.freedesktop.weston.wayland-gears"); - - gears->display = display_get_egl_display(gears->d); - if (gears->display == NULL) - die("failed to create egl display\n"); - - eglBindAPI(EGL_OPENGL_API); - - gears->config = display_get_argb_egl_config(gears->d); - - gears->context = eglCreateContext(gears->display, gears->config, - EGL_NO_CONTEXT, NULL); - if (gears->context == NULL) - die("failed to create context\n"); - - if (!eglMakeCurrent(gears->display, NULL, NULL, gears->context)) - die("failed to make context current\n"); - - for (i = 0; i < 3; i++) { - gears->gear_list[i] = glGenLists(1); - glNewList(gears->gear_list[i], GL_COMPILE); - make_gear(&gear_templates[i]); - glEndList(); - } - - gears->button_down = 0; - gears->last_x = 0; - gears->last_y = 0; - - gears->view.rotx = 20.0; - gears->view.roty = 30.0; - - printf("Warning: FPS count is limited by the wayland compositor or monitor refresh rate\n"); - - glEnable(GL_NORMALIZE); - - glMatrixMode(GL_PROJECTION); - glLoadIdentity(); - glFrustum(-1.0, 1.0, -1.0, 1.0, 5.0, 200.0); - glMatrixMode(GL_MODELVIEW); - - glLightfv(GL_LIGHT0, GL_POSITION, light_pos); - glEnable(GL_CULL_FACE); - glEnable(GL_LIGHTING); - glEnable(GL_LIGHT0); - glEnable(GL_DEPTH_TEST); - glClearColor(0, 0, 0, 0.92); - - window_set_user_data(gears->window, gears); - widget_set_resize_handler(gears->widget, resize_handler); - widget_set_redraw_handler(gears->widget, redraw_handler); - widget_set_button_handler(gears->widget, button_handler); - widget_set_motion_handler(gears->widget, motion_handler); - window_set_keyboard_focus_handler(gears->window, - keyboard_focus_handler); - window_set_fullscreen_handler(gears->window, fullscreen_handler); - - window_schedule_resize(gears->window, width, height); - - return gears; -} - -static void -gears_destroy(struct gears *gears) -{ - widget_destroy(gears->widget); - window_destroy(gears->window); - free(gears); -} - -int main(int argc, char *argv[]) -{ - struct display *d; - struct gears *gears; - - d = display_create(&argc, argv); - if (d == NULL) { - fprintf(stderr, "failed to create display: %s\n", - strerror(errno)); - return -1; - } - gears = gears_create(d); - display_run(d); - - gears_destroy(gears); - display_destroy(d); - - return 0; -}