diff options
Diffstat (limited to 'window.c')
| -rw-r--r-- | window.c | 78 |
1 files changed, 72 insertions, 6 deletions
@@ -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) |