/*
- * 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.
+ * Copyright © 2008 Kristian Høgsberg
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission. The copyright holders make no representations
+ * about the suitability of this software for any purpose. It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
*/
+#include <stdint.h>
+#include <stdio.h>
#include <stdlib.h>
+#include <string.h>
+#include <fcntl.h>
+#include <unistd.h>
#include <math.h>
+#include <time.h>
+#include <cairo.h>
+#include <glib.h>
+
#include <GL/gl.h>
-#include "gears.h"
+#include <eagle.h>
+
+#include "wayland-client.h"
+#include "wayland-glib.h"
+
+#include "cairo-util.h"
+#include "window.h"
+
+static const char gem_device[] = "/dev/dri/card0";
+static const char socket_name[] = "\0wayland";
struct gears {
- GLint gear1, gear2, gear3;
+ struct window *window;
+
+ struct wl_display *wl_display;
+ struct rectangle rectangle;
+
+ EGLDisplay display;
+ EGLConfig config;
+ EGLSurface surface;
+ EGLContext context;
+ int resized;
+ int fd;
+ GLfloat angle;
+ struct buffer *buffer;
+
+ GLint gear_list[3];
};
+struct gear_template {
+ GLfloat material[4];
+ GLfloat inner_radius;
+ GLfloat outer_radius;
+ GLfloat width;
+ GLint teeth;
+ GLfloat tooth_depth;
+};
+
+const static 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
-gear(GLfloat inner_radius, GLfloat outer_radius, GLfloat width,
- GLint teeth, GLfloat tooth_depth)
+make_gear(const struct gear_template *t)
{
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;
+ glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, t->material);
- da = 2.0 * M_PI / teeth / 4.0;
+ 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);
/* 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);
+ 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 / 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);
+ 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();
/* 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);
+ 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 / 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);
+ 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 < teeth; i++) {
- angle = i * 2.0 * M_PI / teeth;
+ for (i = 0; i < t->teeth; i++) {
+ angle = i * 2.0 * M_PI / t->teeth;
- glVertex3f(r1 * cos(angle), r1 * sin(angle), width * 0.5);
- glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5);
+ 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), width * 0.5);
- glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), -width * 0.5);
+ 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), width * 0.5);
- 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), 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), width * 0.5);
- 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), 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), width * 0.5);
- glVertex3f(r1 * cos(0), r1 * sin(0), -width * 0.5);
+ glVertex3f(r1 * cos(0), r1 * sin(0), t->width * 0.5);
+ glVertex3f(r1 * cos(0), r1 * sin(0), -t->width * 0.5);
glEnd();
/* draw inside radius cylinder */
glBegin(GL_QUAD_STRIP);
- for (i = 0; i <= teeth; i++) {
- angle = i * 2.0 * M_PI / teeth;
+ 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), -width * 0.5);
- glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5);
+ glVertex3f(r0 * cos(angle), r0 * sin(angle), -t->width * 0.5);
+ glVertex3f(r0 * cos(angle), r0 * sin(angle), t->width * 0.5);
}
glEnd();
}
-struct gears *
-gears_create(GLfloat clear_red, GLfloat clear_green,
- GLfloat clear_blue, GLfloat clear_alpha)
-{
- 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};
- static GLfloat pos[4] = {5.0, 5.0, 10.0, 0.0};
- struct gears *gears;
-
- gears = malloc(sizeof *gears);
- /* make the gears */
- gears->gear1 = glGenLists(1);
- glNewList(gears->gear1, GL_COMPILE);
- glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, red);
- gear(1.0, 4.0, 1.0, 20, 0.7);
- glEndList();
-
- gears->gear2 = glGenLists(1);
- glNewList(gears->gear2, GL_COMPILE);
- glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, green);
- gear(0.5, 2.0, 2.0, 10, 0.7);
- glEndList();
-
- gears->gear3 = glGenLists(1);
- glNewList(gears->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);
-
- 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, pos);
- glEnable(GL_CULL_FACE);
- glEnable(GL_LIGHTING);
- glEnable(GL_LIGHT0);
- glEnable(GL_DEPTH_TEST);
-
- /* We're generating premultiplied alpha so multiply in the
- * alpha. The gears are solid color and doesn't have
- * anti-aliased edges, they're ok. */
- glClearColor(clear_red * clear_alpha,
- clear_green * clear_alpha,
- clear_blue * clear_alpha,
- clear_alpha);
-
- return gears;
-}
-
-void
-gears_draw(struct gears *gears, GLfloat angle)
+static void
+draw_gears(struct gears *gears)
{
GLfloat view_rotx = 20.0, view_roty = 30.0, view_rotz = 0.0;
glPushMatrix();
glTranslatef(-3.0, -2.0, 0.0);
- glRotatef(angle, 0.0, 0.0, 1.0);
- glCallList(gears->gear1);
+ 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 * angle - 9.0, 0.0, 0.0, 1.0);
- glCallList(gears->gear2);
+ 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 * angle - 25.0, 0.0, 0.0, 1.0);
- glCallList(gears->gear3);
+ glRotatef(-2.0 * gears->angle - 25.0, 0.0, 0.0, 1.0);
+ glCallList(gears->gear_list[2]);
glPopMatrix();
glPopMatrix();
glFlush();
}
+
+static void
+resize_window(struct gears *gears)
+{
+ window_draw(gears->window);
+ window_get_child_rectangle(gears->window, &gears->rectangle);
+
+ if (gears->buffer != NULL)
+ buffer_destroy(gears->buffer, gears->fd);
+
+ gears->buffer = buffer_create(gears->fd,
+ gears->rectangle.width,
+ gears->rectangle.height,
+ (gears->rectangle.width * 4 + 15) & ~15);
+
+ gears->surface = eglCreateSurfaceForName(gears->display,
+ gears->config,
+ gears->buffer->name,
+ gears->buffer->width,
+ gears->buffer->height,
+ gears->buffer->stride, NULL);
+
+ eglMakeCurrent(gears->display,
+ gears->surface, gears->surface, gears->context);
+
+ glViewport(0, 0, gears->rectangle.width, gears->rectangle.height);
+ gears->resized = 0;
+}
+
+static void
+resize_handler(struct window *window, int32_t width, int32_t height, void *data)
+{
+ struct gears *gears = data;
+
+ /* Right now, resizing the window from the per-frame callback
+ * is fine, since the window drawing code is so slow that we
+ * can't draw more than one window per frame anyway. However,
+ * once we implement faster resizing, this will show lag
+ * between pointer motion and window size even if resizing is
+ * fast. We need to keep processing motion events and posting
+ * new frames as fast as possible so when the server
+ * composites the next frame it will have the most recent size
+ * possible, like what we do for window moves. */
+
+ gears->resized = 1;
+}
+
+static void
+acknowledge_handler(struct window *window, uint32_t key, void *data)
+{
+ struct gears *gears = data;
+
+ if (key != 0)
+ return;
+
+ if (gears->resized)
+ resize_window(gears);
+
+ draw_gears(gears);
+}
+
+static void
+frame_handler(struct window *window, uint32_t frame, uint32_t timestamp, void *data)
+{
+ struct gears *gears = data;
+
+ window_copy(gears->window,
+ &gears->rectangle,
+ gears->buffer->name, gears->buffer->stride);
+
+ wl_display_commit(gears->wl_display, 0);
+
+ gears->angle += 1;
+}
+
+static struct gears *
+gears_create(struct wl_display *display, int fd)
+{
+ const int x = 200, y = 200, width = 450, height = 500;
+ EGLint major, minor, count;
+ EGLConfig configs[64];
+ struct gears *gears;
+ int i;
+
+ gears = malloc(sizeof *gears);
+ memset(gears, 0, sizeof *gears);
+ gears->wl_display = display;
+ gears->fd = fd;
+ gears->window = window_create(display, fd, "Wayland Gears",
+ x, y, width, height);
+
+ gears->display = eglCreateDisplayNative("/dev/dri/card0", "i965");
+ if (gears->display == NULL)
+ die("failed to create egl display\n");
+
+ if (!eglInitialize(gears->display, &major, &minor))
+ die("failed to initialize display\n");
+
+ if (!eglGetConfigs(gears->display, configs, 64, &count))
+ die("failed to get configs\n");
+
+ gears->config = configs[24];
+ gears->context = eglCreateContext(gears->display, gears->config, NULL, NULL);
+ if (gears->context == NULL)
+ die("failed to create context\n");
+
+ resize_window(gears);
+
+ 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();
+ }
+
+ 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);
+
+ draw_gears(gears);
+ gears->angle += 1;
+
+ frame_handler(gears->window, 0, 0, gears);
+
+ window_set_resize_handler(gears->window, resize_handler, gears);
+ window_set_frame_handler(gears->window, frame_handler, gears);
+ window_set_acknowledge_handler(gears->window, acknowledge_handler, gears);
+
+ return gears;
+}
+
+int main(int argc, char *argv[])
+{
+ struct wl_display *display;
+ int fd;
+ GMainLoop *loop;
+ GSource *source;
+ struct gears *gears;
+
+ fd = open(gem_device, O_RDWR);
+ if (fd < 0) {
+ fprintf(stderr, "drm open failed: %m\n");
+ return -1;
+ }
+
+ display = wl_display_create(socket_name, sizeof socket_name);
+ if (display == NULL) {
+ fprintf(stderr, "failed to create display: %m\n");
+ return -1;
+ }
+
+ loop = g_main_loop_new(NULL, FALSE);
+ source = wl_glib_source_new(display);
+ g_source_attach(source, NULL);
+
+ gears = gears_create(display, fd);
+
+ g_main_loop_run(loop);
+
+ return 0;
+}
#include <cairo.h>
#include <glib.h>
-#include <GL/gl.h>
-#include <eagle.h>
-
#include "wayland-client.h"
#include "wayland-glib.h"
-#include "gears.h"
#include "cairo-util.h"
-static const char gem_device[] = "/dev/dri/card0";
-static const char socket_name[] = "\0wayland";
-
-static void die(const char *msg)
-{
- fprintf(stderr, "%s", msg);
- exit(EXIT_FAILURE);
-}
+#include "window.h"
struct window {
struct wl_display *display;
struct wl_surface *surface;
+ const char *title;
int x, y, width, height;
+ int minimum_width, minimum_height;
int margin;
int drag_x, drag_y, last_x, last_y;
int state;
uint32_t name;
int fd;
- int resized;
- cairo_pattern_t *background;
struct buffer *buffer;
- struct buffer *egl_buffer;
-
- GLfloat gears_angle;
- struct gears *gears;
- EGLDisplay egl_display;
- EGLContext context;
- EGLConfig config;
- EGLSurface egl_surface;
+
+ window_resize_handler_t resize_handler;
+ window_frame_handler_t frame_handler;
+ window_acknowledge_handler_t acknowledge_handler;
+ void *user_data;
};
static void
cairo_close_path(cr);
}
-static gboolean
-draw_window(void *data)
+void
+window_draw(struct window *window)
{
- struct window *window = data;
cairo_surface_t *surface;
cairo_t *cr;
int border = 2, radius = 5;
cairo_text_extents_t extents;
cairo_pattern_t *gradient, *outline, *bright, *dim;
- const static char title[] = "Wayland First Post";
- struct buffer *buffer;
- int width, height;
surface = cairo_image_surface_create(CAIRO_FORMAT_RGB24,
window->width + window->margin * 2,
cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
cairo_set_font_size(cr, 14);
- cairo_text_extents(cr, title, &extents);
+ cairo_text_extents(cr, window->title, &extents);
cairo_move_to(cr, (window->width - extents.width) / 2, 10 - extents.y_bearing);
cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND);
cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND);
cairo_set_line_width (cr, 4);
- cairo_text_path(cr, title);
+ cairo_text_path(cr, window->title);
cairo_set_source_rgb(cr, 0.1, 0.1, 0.1);
cairo_stroke_preserve(cr);
cairo_set_source_rgb(cr, 1, 1, 1);
window->y - window->margin,
window->width + 2 * window->margin,
window->height + 2 * window->margin);
-
- width = window->width - 20;
- height = window->height - 60;
- buffer = buffer_create(window->fd, width, height, (width * 4 + 15) & ~15);
- window->egl_buffer = buffer;
- window->egl_surface = eglCreateSurfaceForName(window->egl_display,
- window->config, buffer->name,
- buffer->width, buffer->height,
- buffer->stride, NULL);
- if (!eglMakeCurrent(window->egl_display,
- window->egl_surface, window->egl_surface, window->context))
- die("failed to make context current\n");
-
- glViewport(0, 0, width, height);
- window->resized = 0;
-
- return FALSE;
}
enum window_state {
LOCATION_OUTSIDE
};
-static int
-update_gears(void *data)
-{
- struct window *window = data;
-
- if (window->resized)
- draw_window(window);
- gears_draw(window->gears, window->gears_angle);
-
- return FALSE;
-}
-
static void
event_handler(struct wl_display *display,
uint32_t object, uint32_t opcode,
uint32_t size, uint32_t *p, void *data)
{
struct window *window = data;
- struct buffer *buffer;
int location;
int grip_size = 16;
buffer_destroy(window->buffer, window->fd);
window->buffer = NULL;
}
- g_idle_add(update_gears, window);
+ if (window->acknowledge_handler)
+ (*window->acknowledge_handler)(window, key,
+ window->user_data);
+
} else if (object == 1 && opcode == 4) {
/* The frame event means that the previous frame was
* composited, and we can now send the request to copy
* the frame we've rendered in the mean time into the
* servers surface buffer. */
- buffer = window->egl_buffer;
- wl_surface_copy(window->surface,
- 10 + window->margin, 50 + window->margin,
- buffer->name, buffer->stride,
- 0, 0, buffer->width, buffer->height);
- wl_display_commit(window->display, 0);
- window->gears_angle += 1;
-
+ if (window->frame_handler)
+ (*window->frame_handler)(window, p[0], p[1],
+ window->user_data);
} else if (object == 1) {
fprintf(stderr, "unexpected event from display: %d\n",
opcode);
case WINDOW_RESIZING_LOWER_RIGHT:
window->width = window->drag_x + x;
window->height = window->drag_y + y;
- if (window->width < 400)
- window->width = 400;
- if (window->height < 400)
- window->height = 400;
-
- /* Right now, resizing the window from the
- * per-frame callback is fine, since the
- * window drawing code is so slow that we
- * can't draw more than one window per frame
- * anyway. However, once we implement faster
- * resizing, this will show lag between
- * pointer motion and window size even if
- * resizing is fast. We need to keep
- * processing motion events and posting new
- * frames as fast as possible so when the
- * server composites the next frame it will
- * have the most recent size possible, like
- * what we do for window moves. */
-
- window->resized = 1;
+ if (window->width < window->minimum_width)
+ window->width = window->minimum_width;
+ if (window->height < window->minimum_height)
+ window->height = window->minimum_height;
+
+ if (window->resize_handler)
+ (*window->resize_handler)(window,
+ window->width,
+ window->height,
+ window->user_data);
break;
}
} else if (opcode == 1) {
}
}
-static struct window *
-window_create(struct wl_display *display, int fd)
+void
+window_get_child_rectangle(struct window *window,
+ struct rectangle *rectangle)
+{
+ rectangle->x = 10;
+ rectangle->y = 50;
+ rectangle->width = window->width - 20;
+ rectangle->height = window->height - 60;
+}
+
+void
+window_copy(struct window *window,
+ struct rectangle *rectangle,
+ uint32_t name, uint32_t stride)
+{
+ wl_surface_copy(window->surface,
+ window->margin + rectangle->x,
+ window->margin + rectangle->y,
+ name, stride,
+ 0, 0, rectangle->width, rectangle->height);
+}
+
+void
+window_set_resize_handler(struct window *window,
+ window_resize_handler_t handler, void *data)
+{
+ window->resize_handler = handler;
+ window->user_data = data;
+}
+
+void
+window_set_frame_handler(struct window *window,
+ window_frame_handler_t handler, void *data)
+{
+ window->frame_handler = handler;
+ window->user_data = data;
+}
+
+void
+window_set_acknowledge_handler(struct window *window,
+ window_acknowledge_handler_t handler, void *data)
+{
+ window->acknowledge_handler = handler;
+ window->user_data = data;
+}
+
+void
+window_set_minimum_size(struct window *window, uint32_t width, int32_t height)
+{
+ window->minimum_width = width;
+ window->minimum_height = height;
+}
+
+struct window *
+window_create(struct wl_display *display, int fd,
+ const char *title,
+ int32_t x, int32_t y, int32_t width, int32_t height)
{
- EGLint major, minor, count;
- EGLConfig configs[64];
struct window *window;
- const GLfloat red = 0, green = 0, blue = 0, alpha = 0.92;
window = malloc(sizeof *window);
if (window == NULL)
memset(window, 0, sizeof *window);
window->display = display;
+ window->title = strdup(title);
window->surface = wl_display_create_surface(display);
- window->x = 200;
- window->y = 200;
- window->width = 450;
- window->height = 500;
+ window->x = x;
+ window->y = y;
+ window->minimum_width = 100;
+ window->minimum_height = 100;
+ window->width = width;
+ window->height = height;
window->margin = 16;
window->state = WINDOW_STABLE;
window->fd = fd;
- window->background = cairo_pattern_create_rgba (red, green, blue, alpha);
-
- window->egl_display = eglCreateDisplayNative("/dev/dri/card0", "i965");
- if (window->egl_display == NULL)
- die("failed to create egl display\n");
-
- if (!eglInitialize(window->egl_display, &major, &minor))
- die("failed to initialize display\n");
-
- if (!eglGetConfigs(window->egl_display, configs, 64, &count))
- die("failed to get configs\n");
-
- window->config = configs[24];
- window->context = eglCreateContext(window->egl_display, window->config, NULL, NULL);
- if (window->context == NULL)
- die("failed to create context\n");
-
- draw_window(window);
- window->gears = gears_create(0, 0, 0, 0.92);
- gears_draw(window->gears, window->gears_angle);
- window->gears_angle += 1;
- wl_display_commit(window->display, 0);
-
- return window;
-}
-
-int main(int argc, char *argv[])
-{
- struct wl_display *display;
- int fd;
- struct window *window;
- GMainLoop *loop;
- GSource *source;
-
- fd = open(gem_device, O_RDWR);
- if (fd < 0) {
- fprintf(stderr, "drm open failed: %m\n");
- return -1;
- }
-
- display = wl_display_create(socket_name, sizeof socket_name);
- if (display == NULL) {
- fprintf(stderr, "failed to create display: %m\n");
- return -1;
- }
-
- loop = g_main_loop_new(NULL, FALSE);
- source = wl_glib_source_new(display);
- g_source_attach(source, NULL);
-
- window = window_create(display, fd);
wl_display_set_event_handler(display, event_handler, window);
- g_main_loop_run(loop);
-
- return 0;
+ return window;
}