Add the gears from glxgears.

This commit is contained in:
Kristian Høgsberg 2008-11-03 15:31:30 -05:00
parent 33a52bd07d
commit 8a9cda8cfb
4 changed files with 298 additions and 9 deletions

View file

@ -11,11 +11,21 @@
#include <time.h>
#include <cairo.h>
#include <GL/gl.h>
#include <eagle.h>
#include "wayland-client.h"
#include "gears.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);
}
static uint32_t name_cairo_surface(int fd, cairo_surface_t *surface)
{
struct drm_i915_gem_create create;
@ -75,6 +85,11 @@ struct window {
uint32_t name;
int fd;
int need_redraw;
EGLDisplay display;
EGLContext context;
EGLConfig config;
EGLSurface egl_surface;
};
static void *
@ -82,7 +97,7 @@ draw_window(struct window *window)
{
cairo_surface_t *surface;
cairo_t *cr;
int border = 2, radius = 5;
int border = 2, radius = 5, h;
int margin = (border + 1) / 2;
cairo_text_extents_t extents;
const static char title[] = "Wayland First Post";
@ -108,8 +123,9 @@ draw_window(struct window *window)
cairo_set_source_rgba(cr, 0, 0, 0, 1);
cairo_set_font_size(cr, 14);
cairo_text_extents(cr, title, &extents);
cairo_move_to(cr, margin, margin + radius + extents.height + 10);
cairo_line_to(cr, margin + window->width, margin + radius + extents.height + 10);
h = margin + radius + extents.height + 10;
cairo_move_to(cr, margin, h);
cairo_line_to(cr, margin + window->width, h);
cairo_stroke(cr);
cairo_move_to(cr, (window->width - extents.width) / 2, 10 - extents.y_bearing);
@ -129,6 +145,24 @@ draw_window(struct window *window)
window->x, window->y,
window->width, window->height);
if (window->egl_surface != EGL_NO_SURFACE)
eglDestroySurface(window->display, window->egl_surface);
/* FIXME: We need to get the stride right here in a chipset
* independent way. Maybe do it in name_cairo_surface(). */
window->egl_surface = eglCreatePixmapForName(window->display,
window->config, window->name,
window->width, window->height,
window->stride, NULL);
if (surface == NULL)
die("failed to create surface\n");
if (!eglMakeCurrent(window->display,
window->egl_surface, window->egl_surface, window->context))
die("failed to make context current\n");
glViewport(border, window->height - h - margin - 300, 300, 300);
return surface;
}
@ -226,6 +260,30 @@ void event_handler(struct wl_display *display,
}
}
static void
init_egl(struct window *window)
{
EGLint major, minor, count;
EGLConfig configs[64];
window->display = eglCreateDisplayNative("/dev/dri/card0", "i965");
if (window->display == NULL)
die("failed to create display\n");
if (!eglInitialize(window->display, &major, &minor))
die("failed to initialize display\n");
if (!eglGetConfigs(window->display, configs, 64, &count))
die("failed to get configs\n");
window->config = configs[24];
window->context = eglCreateContext(window->display, window->config, NULL, NULL);
if (window->context == NULL)
die("failed to create context\n");
window->egl_surface = EGL_NO_SURFACE;
}
int main(int argc, char *argv[])
{
struct wl_display *display;
@ -234,6 +292,8 @@ int main(int argc, char *argv[])
cairo_surface_t *s;
struct pollfd p[1];
struct window window;
struct gears *gears;
GLfloat angle = 0.0;
fd = open(gem_device, O_RDWR);
if (fd < 0) {
@ -252,17 +312,23 @@ int main(int argc, char *argv[])
window.surface = wl_display_create_surface(display);
window.x = 200;
window.y = 200;
window.width = 350;
window.height = 200;
window.width = 450;
window.height = 500;
window.state = WINDOW_STABLE;
window.fd = fd;
init_egl(&window);
s = draw_window(&window);
wl_display_set_event_handler(display, event_handler, &window);
while (ret = poll(p, 1, -1), ret >= 0) {
gears = gears_create();
while (ret = poll(p, 1, 20), ret >= 0) {
mask = 0;
gears_draw(gears, angle);
angle += 1;
if (p[0].revents & POLLIN)
mask |= WL_CONNECTION_READABLE;
if (p[0].revents & POLLOUT)