mirror of
				https://gitlab.freedesktop.org/wayland/wayland.git
				synced 2025-11-03 09:01:42 -05:00 
			
		
		
		
	Split out per-output state, use libudev for enumerating hardware.
This paves the way for proper multi-head support and removes more hardcoded i965 defaults by using udev to discover output devices and their PCI IDs.
This commit is contained in:
		
							parent
							
								
									890bc05763
								
							
						
					
					
						commit
						81ce09a6c4
					
				
					 1 changed files with 283 additions and 170 deletions
				
			
		| 
						 | 
				
			
			@ -59,8 +59,18 @@ struct wl_visual {
 | 
			
		|||
	struct wl_object base;
 | 
			
		||||
};
 | 
			
		||||
 | 
			
		||||
struct wl_output {
 | 
			
		||||
struct wlsc_output {
 | 
			
		||||
	struct wl_object base;
 | 
			
		||||
	struct wl_list link;
 | 
			
		||||
	struct egl_compositor *ec;
 | 
			
		||||
	struct egl_surface *background;
 | 
			
		||||
	EGLSurface surface;
 | 
			
		||||
	int32_t x, y, width, height, stride;
 | 
			
		||||
 | 
			
		||||
	struct drm_mode_modeinfo *mode;
 | 
			
		||||
	uint32_t fb_id;
 | 
			
		||||
	uint32_t crtc_id;
 | 
			
		||||
	uint32_t connector_id;
 | 
			
		||||
};
 | 
			
		||||
 | 
			
		||||
struct wlsc_input_device {
 | 
			
		||||
| 
						 | 
				
			
			@ -77,17 +87,14 @@ struct wlsc_input_device {
 | 
			
		|||
 | 
			
		||||
struct egl_compositor {
 | 
			
		||||
	struct wl_compositor base;
 | 
			
		||||
	struct wl_output output;
 | 
			
		||||
	struct wl_visual argb_visual, premultiplied_argb_visual, rgb_visual;
 | 
			
		||||
 | 
			
		||||
	EGLDisplay display;
 | 
			
		||||
	EGLSurface surface;
 | 
			
		||||
	EGLContext context;
 | 
			
		||||
	EGLConfig config;
 | 
			
		||||
	struct wl_display *wl_display;
 | 
			
		||||
	int width, height, stride;
 | 
			
		||||
	struct egl_surface *background;
 | 
			
		||||
 | 
			
		||||
	struct wl_list output_list;
 | 
			
		||||
	struct wl_list input_device_list;
 | 
			
		||||
	struct wl_list surface_list;
 | 
			
		||||
 | 
			
		||||
| 
						 | 
				
			
			@ -102,12 +109,6 @@ struct egl_compositor {
 | 
			
		|||
	struct wl_event_source *enter_vt_source;
 | 
			
		||||
	struct wl_event_source *leave_vt_source;
 | 
			
		||||
 | 
			
		||||
	/* Modesetting info. */
 | 
			
		||||
	struct drm_mode_modeinfo *mode;
 | 
			
		||||
	uint32_t fb_id;
 | 
			
		||||
	uint32_t crtc_id;
 | 
			
		||||
	uint32_t connector_id;
 | 
			
		||||
 | 
			
		||||
	struct udev *udev;
 | 
			
		||||
 | 
			
		||||
	/* Repaint state. */
 | 
			
		||||
| 
						 | 
				
			
			@ -129,6 +130,15 @@ struct egl_surface {
 | 
			
		|||
	struct wl_list link;
 | 
			
		||||
};
 | 
			
		||||
 | 
			
		||||
static const char *option_background = "background.jpg";
 | 
			
		||||
 | 
			
		||||
static const GOptionEntry option_entries[] = {
 | 
			
		||||
	{ "background", 'b', 0, G_OPTION_ARG_STRING,
 | 
			
		||||
	  &option_background, "Background image" },
 | 
			
		||||
	{ NULL }
 | 
			
		||||
};
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
struct screenshooter {
 | 
			
		||||
	struct wl_object base;
 | 
			
		||||
	struct egl_compositor *ec;
 | 
			
		||||
| 
						 | 
				
			
			@ -142,17 +152,27 @@ static void
 | 
			
		|||
screenshooter_shoot(struct wl_client *client, struct screenshooter *shooter)
 | 
			
		||||
{
 | 
			
		||||
	struct egl_compositor *ec = shooter->ec;
 | 
			
		||||
	struct wlsc_output *output;
 | 
			
		||||
	GLuint stride;
 | 
			
		||||
	static const char filename[]  = "wayland-screenshot.png";
 | 
			
		||||
	char buffer[256];
 | 
			
		||||
	GdkPixbuf *pixbuf;
 | 
			
		||||
	GError *error = NULL;
 | 
			
		||||
	void *data;
 | 
			
		||||
	int i;
 | 
			
		||||
 | 
			
		||||
	data = eglReadBuffer(ec->display, ec->surface, GL_FRONT_LEFT, &stride);
 | 
			
		||||
	i = 0;
 | 
			
		||||
	output = container_of(ec->output_list.next, struct wlsc_output, link);
 | 
			
		||||
	while (&output->link != &ec->output_list) {
 | 
			
		||||
		snprintf(buffer, sizeof buffer, "wayland-screenshot-%d.png", i++);
 | 
			
		||||
		data = eglReadBuffer(ec->display, output->surface, GL_FRONT_LEFT, &stride);
 | 
			
		||||
		pixbuf = gdk_pixbuf_new_from_data(data, GDK_COLORSPACE_RGB, TRUE,
 | 
			
		||||
					  8, ec->width, ec->height, stride,
 | 
			
		||||
						  8, output->width, output->height, stride,
 | 
			
		||||
						  NULL, NULL);
 | 
			
		||||
	gdk_pixbuf_save(pixbuf, filename, "png", &error, NULL);
 | 
			
		||||
		gdk_pixbuf_save(pixbuf, buffer, "png", &error, NULL);
 | 
			
		||||
 | 
			
		||||
		output = container_of(output->link.next,
 | 
			
		||||
				      struct wlsc_output, link);
 | 
			
		||||
	}
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
static const struct wl_message screenshooter_methods[] = {
 | 
			
		||||
| 
						 | 
				
			
			@ -283,8 +303,7 @@ pointer_create(struct egl_compositor *ec, int x, int y, int width, int height)
 | 
			
		|||
}
 | 
			
		||||
 | 
			
		||||
static struct egl_surface *
 | 
			
		||||
background_create(struct egl_compositor *ec,
 | 
			
		||||
		  const char *filename, int width, int height)
 | 
			
		||||
background_create(struct wlsc_output *output, const char *filename)
 | 
			
		||||
{
 | 
			
		||||
	struct egl_surface *background;
 | 
			
		||||
	GdkPixbuf *pixbuf;
 | 
			
		||||
| 
						 | 
				
			
			@ -299,7 +318,8 @@ background_create(struct egl_compositor *ec,
 | 
			
		|||
	g_type_init();
 | 
			
		||||
 | 
			
		||||
	pixbuf = gdk_pixbuf_new_from_file_at_scale(filename,
 | 
			
		||||
						   width, height,
 | 
			
		||||
						   output->width,
 | 
			
		||||
						   output->height,
 | 
			
		||||
						   FALSE, &error);
 | 
			
		||||
	if (error != NULL) {
 | 
			
		||||
		free(background);
 | 
			
		||||
| 
						 | 
				
			
			@ -320,16 +340,17 @@ background_create(struct egl_compositor *ec,
 | 
			
		|||
	else
 | 
			
		||||
		format = GL_RGB;
 | 
			
		||||
 | 
			
		||||
	glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, width, height, 0,
 | 
			
		||||
	glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB,
 | 
			
		||||
		     output->width, output->height, 0,
 | 
			
		||||
		     format, GL_UNSIGNED_BYTE, data);
 | 
			
		||||
 | 
			
		||||
	background->compositor = ec;
 | 
			
		||||
	background->map.x = 0;
 | 
			
		||||
	background->map.y = 0;
 | 
			
		||||
	background->map.width = width;
 | 
			
		||||
	background->map.height = height;
 | 
			
		||||
	background->compositor = output->ec;
 | 
			
		||||
	background->map.x = output->x;
 | 
			
		||||
	background->map.y = output->y;
 | 
			
		||||
	background->map.width = output->width;
 | 
			
		||||
	background->map.height = output->height;
 | 
			
		||||
	background->surface = EGL_NO_SURFACE;
 | 
			
		||||
	background->visual = &ec->rgb_visual;
 | 
			
		||||
	background->visual = &output->ec->rgb_visual;
 | 
			
		||||
 | 
			
		||||
	return background;
 | 
			
		||||
}
 | 
			
		||||
| 
						 | 
				
			
			@ -378,24 +399,26 @@ draw_surface(struct egl_surface *es)
 | 
			
		|||
}
 | 
			
		||||
 | 
			
		||||
static void
 | 
			
		||||
schedule_repaint(struct egl_compositor *ec);
 | 
			
		||||
 | 
			
		||||
static void
 | 
			
		||||
repaint(void *data)
 | 
			
		||||
repaint_output(struct wlsc_output *output)
 | 
			
		||||
{
 | 
			
		||||
	struct egl_compositor *ec = data;
 | 
			
		||||
	struct egl_compositor *ec = output->ec;
 | 
			
		||||
	struct egl_surface *es;
 | 
			
		||||
	struct wlsc_input_device *eid;
 | 
			
		||||
	struct timespec ts;
 | 
			
		||||
	uint32_t msecs;
 | 
			
		||||
 | 
			
		||||
	if (!ec->repaint_needed) {
 | 
			
		||||
		ec->repaint_on_timeout = 0;
 | 
			
		||||
	if (!eglMakeCurrent(ec->display, output->surface, output->surface, ec->context)) {
 | 
			
		||||
		fprintf(stderr, "failed to make context current\n");
 | 
			
		||||
		return;
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	if (ec->background)
 | 
			
		||||
		draw_surface(ec->background);
 | 
			
		||||
	glViewport(0, 0, output->width, output->height);
 | 
			
		||||
	glMatrixMode(GL_PROJECTION);
 | 
			
		||||
	glLoadIdentity();
 | 
			
		||||
	glOrtho(0, output->width, output->height, 0, 0, 1000.0);
 | 
			
		||||
	glMatrixMode(GL_MODELVIEW);
 | 
			
		||||
	glClearColor(0, 0, 0.2, 1);
 | 
			
		||||
 | 
			
		||||
	if (output->background)
 | 
			
		||||
		draw_surface(output->background);
 | 
			
		||||
	else
 | 
			
		||||
		glClear(GL_COLOR_BUFFER_BIT);
 | 
			
		||||
 | 
			
		||||
| 
						 | 
				
			
			@ -417,7 +440,29 @@ repaint(void *data)
 | 
			
		|||
				   struct wlsc_input_device, link);
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	eglSwapBuffers(ec->display, ec->surface);
 | 
			
		||||
	eglSwapBuffers(ec->display, output->surface);
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
static void
 | 
			
		||||
repaint(void *data)
 | 
			
		||||
{
 | 
			
		||||
	struct egl_compositor *ec = data;
 | 
			
		||||
	struct wlsc_output *output;
 | 
			
		||||
	struct timespec ts;
 | 
			
		||||
	uint32_t msecs;
 | 
			
		||||
 | 
			
		||||
	if (!ec->repaint_needed) {
 | 
			
		||||
		ec->repaint_on_timeout = 0;
 | 
			
		||||
		return;
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	output = container_of(ec->output_list.next, struct wlsc_output, link);
 | 
			
		||||
	while (&output->link != &ec->output_list) {
 | 
			
		||||
		repaint_output(output);
 | 
			
		||||
		output = container_of(output->link.next,
 | 
			
		||||
				      struct wlsc_output, link);
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	ec->repaint_needed = 0;
 | 
			
		||||
 | 
			
		||||
	clock_gettime(CLOCK_MONOTONIC, &ts);
 | 
			
		||||
| 
						 | 
				
			
			@ -610,20 +655,23 @@ notify_motion(struct wlsc_input_device *device, int x, int y)
 | 
			
		|||
{
 | 
			
		||||
	struct egl_surface *es;
 | 
			
		||||
	struct egl_compositor *ec = device->ec;
 | 
			
		||||
	struct wlsc_output *output;
 | 
			
		||||
	const int hotspot_x = 16, hotspot_y = 16;
 | 
			
		||||
	int32_t sx, sy;
 | 
			
		||||
 | 
			
		||||
	if (!ec->vt_active)
 | 
			
		||||
		return;
 | 
			
		||||
 | 
			
		||||
	if (x < 0)
 | 
			
		||||
	/* FIXME: We need some multi head love here. */
 | 
			
		||||
	output = container_of(ec->output_list.next, struct wlsc_output, link);
 | 
			
		||||
	if (x < output->x)
 | 
			
		||||
		x = 0;
 | 
			
		||||
	if (y < 0)
 | 
			
		||||
	if (y < output->y)
 | 
			
		||||
		y = 0;
 | 
			
		||||
	if (x >= ec->width)
 | 
			
		||||
		x = ec->width - 1;
 | 
			
		||||
	if (y >= ec->height)
 | 
			
		||||
		y = ec->height - 1;
 | 
			
		||||
	if (x >= output->x + output->width)
 | 
			
		||||
		x = output->x + output->width - 1;
 | 
			
		||||
	if (y >= output->y + output->height)
 | 
			
		||||
		y = output->y + output->height - 1;
 | 
			
		||||
 | 
			
		||||
	device->x = x;
 | 
			
		||||
	device->y = y;
 | 
			
		||||
| 
						 | 
				
			
			@ -708,8 +756,6 @@ create_input_device(struct egl_compositor *ec)
 | 
			
		|||
	wl_display_add_global(ec->wl_display, &device->base, NULL);
 | 
			
		||||
	device->x = 100;
 | 
			
		||||
	device->y = 100;
 | 
			
		||||
	device->pointer_surface =
 | 
			
		||||
		pointer_create(ec, device->x, device->y, 64, 64);
 | 
			
		||||
	device->ec = ec;
 | 
			
		||||
 | 
			
		||||
	wl_list_insert(ec->input_device_list.prev, &device->link);
 | 
			
		||||
| 
						 | 
				
			
			@ -724,22 +770,141 @@ wlsc_device_get_position(struct wlsc_input_device *device, int32_t *x, int32_t *
 | 
			
		|||
	*y = device->y;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
static uint32_t
 | 
			
		||||
create_frontbuffer(struct egl_compositor *ec)
 | 
			
		||||
static void
 | 
			
		||||
post_output_geometry(struct wl_client *client, struct wl_object *global)
 | 
			
		||||
{
 | 
			
		||||
	struct wlsc_output *output =
 | 
			
		||||
		container_of(global, struct wlsc_output, base);
 | 
			
		||||
 | 
			
		||||
	wl_client_post_event(client, global,
 | 
			
		||||
			     WL_OUTPUT_GEOMETRY,
 | 
			
		||||
			     output->width, output->height);
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
static const char *
 | 
			
		||||
get_udev_property(struct udev_device *device, const char *name)
 | 
			
		||||
{
 | 
			
		||||
        struct udev_list_entry *entry;
 | 
			
		||||
 | 
			
		||||
	udev_list_entry_foreach(entry, udev_device_get_properties_list_entry(device))
 | 
			
		||||
		if (strcmp(udev_list_entry_get_name(entry), name) == 0)
 | 
			
		||||
			return udev_list_entry_get_value(entry);
 | 
			
		||||
 | 
			
		||||
	return NULL;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
struct dri_driver_entry {
 | 
			
		||||
	uint32_t vendor_id;
 | 
			
		||||
	uint32_t chip_id;
 | 
			
		||||
	const char *driver;
 | 
			
		||||
};
 | 
			
		||||
 | 
			
		||||
static const struct dri_driver_entry driver_map[] = {
 | 
			
		||||
	/* FIXME: We need to extract this table from the dri drivers
 | 
			
		||||
	 * and store it on disk.  For now, map my i965 to i965,
 | 
			
		||||
	 * anything else intel to i915 and that's that. */
 | 
			
		||||
 | 
			
		||||
	{ 0x8086, 0x2a02, "i965" },
 | 
			
		||||
	{ 0x8086, ~0, "i915" },
 | 
			
		||||
	{ 0, }
 | 
			
		||||
};
 | 
			
		||||
 | 
			
		||||
static const char *
 | 
			
		||||
get_driver_for_device(struct udev_device *device)
 | 
			
		||||
{
 | 
			
		||||
	struct udev_device *parent;
 | 
			
		||||
	const char *pci_id;
 | 
			
		||||
	uint32_t vendor_id, chip_id;
 | 
			
		||||
	int i;
 | 
			
		||||
 | 
			
		||||
	parent = udev_device_get_parent(device);
 | 
			
		||||
	pci_id = get_udev_property(parent, "PCI_ID");
 | 
			
		||||
	if (sscanf(pci_id, "%x:%x", &vendor_id, &chip_id) != 2)
 | 
			
		||||
		return NULL;
 | 
			
		||||
 | 
			
		||||
	for (i = 0; i < ARRAY_LENGTH(driver_map); i++) {
 | 
			
		||||
		if (driver_map[i].vendor_id == vendor_id &&
 | 
			
		||||
		    (driver_map[i].chip_id == ~0 || driver_map[i].chip_id == chip_id)) 
 | 
			
		||||
			return driver_map[i].driver;
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	return NULL;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
static int
 | 
			
		||||
init_egl(struct egl_compositor *ec, struct udev_device *device)
 | 
			
		||||
{
 | 
			
		||||
	static const EGLint config_attribs[] = {
 | 
			
		||||
		EGL_DEPTH_SIZE, 0,
 | 
			
		||||
		EGL_STENCIL_SIZE, 0,
 | 
			
		||||
		EGL_CONFIG_CAVEAT, EGL_NONE,
 | 
			
		||||
		EGL_NONE		
 | 
			
		||||
	};
 | 
			
		||||
 | 
			
		||||
	const char *path, *driver;
 | 
			
		||||
	EGLint major, minor;
 | 
			
		||||
 | 
			
		||||
	path = udev_device_get_devnode(device);
 | 
			
		||||
	driver = get_driver_for_device(device);
 | 
			
		||||
	if (driver == NULL) {
 | 
			
		||||
		fprintf(stderr, "didn't find driver for %s\n",
 | 
			
		||||
			udev_device_get_devpath(device));
 | 
			
		||||
		return -1;
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	ec->display = eglCreateDisplayNative(path, driver);
 | 
			
		||||
	if (ec->display == NULL) {
 | 
			
		||||
		fprintf(stderr, "failed to create display\n");
 | 
			
		||||
		return -1;
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	if (!eglInitialize(ec->display, &major, &minor)) {
 | 
			
		||||
		fprintf(stderr, "failed to initialize display\n");
 | 
			
		||||
		return -1;
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	if (!eglChooseConfig(ec->display, config_attribs, &ec->config, 1, NULL))
 | 
			
		||||
		return -1;
 | 
			
		||||
 | 
			
		||||
	ec->context = eglCreateContext(ec->display, ec->config, NULL, NULL);
 | 
			
		||||
	if (ec->context == NULL) {
 | 
			
		||||
		fprintf(stderr, "failed to create context\n");
 | 
			
		||||
		return -1;
 | 
			
		||||
	}
 | 
			
		||||
	return 0;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
static int
 | 
			
		||||
create_output(struct egl_compositor *ec, struct udev_device *device)
 | 
			
		||||
{
 | 
			
		||||
	const static EGLint surface_attribs[] = {
 | 
			
		||||
		EGL_RENDER_BUFFER, EGL_BACK_BUFFER,
 | 
			
		||||
		EGL_NONE
 | 
			
		||||
	};
 | 
			
		||||
 | 
			
		||||
	drmModeConnector *connector;
 | 
			
		||||
	drmModeRes *resources;
 | 
			
		||||
	drmModeEncoder *encoder;
 | 
			
		||||
	struct drm_mode_modeinfo *mode;
 | 
			
		||||
	struct drm_i915_gem_create create;
 | 
			
		||||
	struct drm_gem_flink flink;
 | 
			
		||||
	struct wlsc_output *output;
 | 
			
		||||
	int i, ret, fd;
 | 
			
		||||
 | 
			
		||||
	if (ec->display == NULL && init_egl(ec, device) < 0) {
 | 
			
		||||
		fprintf(stderr, "failed to initialize egl\n");
 | 
			
		||||
		return -1;
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	output = malloc(sizeof *output);
 | 
			
		||||
	if (output == NULL)
 | 
			
		||||
		return -1;
 | 
			
		||||
 | 
			
		||||
	fd = eglGetDisplayFD(ec->display);
 | 
			
		||||
	resources = drmModeGetResources(fd);
 | 
			
		||||
	if (!resources) {
 | 
			
		||||
		fprintf(stderr, "drmModeGetResources failed\n");
 | 
			
		||||
		return 0;
 | 
			
		||||
		return -1;
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	for (i = 0; i < resources->count_connectors; i++) {
 | 
			
		||||
| 
						 | 
				
			
			@ -777,37 +942,60 @@ create_frontbuffer(struct egl_compositor *ec)
 | 
			
		|||
	create.size = mode->hdisplay * mode->vdisplay * 4;
 | 
			
		||||
	if (ioctl(fd, DRM_IOCTL_I915_GEM_CREATE, &create) != 0) {
 | 
			
		||||
		fprintf(stderr, "gem create failed: %m\n");
 | 
			
		||||
		return 0;
 | 
			
		||||
		return -1;
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	ret = drmModeAddFB(fd, mode->hdisplay, mode->vdisplay,
 | 
			
		||||
			   32, 32, mode->hdisplay * 4, create.handle, &ec->fb_id);
 | 
			
		||||
			   32, 32, mode->hdisplay * 4, create.handle, &output->fb_id);
 | 
			
		||||
	if (ret) {
 | 
			
		||||
		fprintf(stderr, "failed to add fb: %m\n");
 | 
			
		||||
		return 0;
 | 
			
		||||
		return -1;
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	ret = drmModeSetCrtc(fd, encoder->crtc_id, ec->fb_id, 0, 0,
 | 
			
		||||
	ret = drmModeSetCrtc(fd, encoder->crtc_id, output->fb_id, 0, 0,
 | 
			
		||||
			     &connector->connector_id, 1, mode);
 | 
			
		||||
	if (ret) {
 | 
			
		||||
		fprintf(stderr, "failed to set mode: %m\n");
 | 
			
		||||
		return 0;
 | 
			
		||||
		return -1;
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	flink.handle = create.handle;
 | 
			
		||||
	if (ioctl(fd, DRM_IOCTL_GEM_FLINK, &flink) != 0) {
 | 
			
		||||
		fprintf(stderr, "gem flink failed: %m\n");
 | 
			
		||||
		return 0;
 | 
			
		||||
		return -1;
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	ec->crtc_id = encoder->crtc_id;
 | 
			
		||||
	ec->connector_id = connector->connector_id;
 | 
			
		||||
	ec->mode = mode;
 | 
			
		||||
	ec->width = mode->hdisplay;
 | 
			
		||||
	ec->height = mode->vdisplay;
 | 
			
		||||
	ec->stride = mode->hdisplay * 4;
 | 
			
		||||
	output->ec = ec;
 | 
			
		||||
	output->crtc_id = encoder->crtc_id;
 | 
			
		||||
	output->connector_id = connector->connector_id;
 | 
			
		||||
	output->mode = mode;
 | 
			
		||||
	output->width = mode->hdisplay;
 | 
			
		||||
	output->height = mode->vdisplay;
 | 
			
		||||
	output->stride = mode->hdisplay * 4;
 | 
			
		||||
 | 
			
		||||
	return flink.name;
 | 
			
		||||
	output->surface = eglCreateSurfaceForName(ec->display, ec->config,
 | 
			
		||||
						  flink.name,
 | 
			
		||||
						  output->width, output->height,
 | 
			
		||||
						  output->stride,
 | 
			
		||||
						  surface_attribs);
 | 
			
		||||
	if (output->surface == NULL) {
 | 
			
		||||
		fprintf(stderr, "failed to create surface\n");
 | 
			
		||||
		return -1;
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	output->base.interface = &wl_output_interface;
 | 
			
		||||
	wl_display_add_object(ec->wl_display, &output->base);
 | 
			
		||||
	wl_display_add_global(ec->wl_display, &output->base, post_output_geometry);
 | 
			
		||||
	wl_list_insert(ec->output_list.prev, &output->link);
 | 
			
		||||
 | 
			
		||||
	if (!eglMakeCurrent(ec->display, output->surface, output->surface, ec->context)) {
 | 
			
		||||
		fprintf(stderr, "failed to make context current\n");
 | 
			
		||||
		return -1;
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	output->background = background_create(output, option_background);
 | 
			
		||||
 | 
			
		||||
	return 0;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
static const struct wl_interface visual_interface = {
 | 
			
		||||
| 
						 | 
				
			
			@ -835,40 +1023,26 @@ add_visuals(struct egl_compositor *ec)
 | 
			
		|||
	wl_display_add_global(ec->wl_display, &ec->rgb_visual.base, NULL);
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
static void
 | 
			
		||||
post_output_geometry(struct wl_client *client, struct wl_object *global)
 | 
			
		||||
{
 | 
			
		||||
	struct egl_compositor *ec =
 | 
			
		||||
		container_of(global, struct egl_compositor, output.base);
 | 
			
		||||
 | 
			
		||||
	wl_client_post_event(client, global,
 | 
			
		||||
			     WL_OUTPUT_GEOMETRY, ec->width, ec->height);
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
static const char gem_device[] = "/dev/dri/card0";
 | 
			
		||||
 | 
			
		||||
static const char *option_background = "background.jpg";
 | 
			
		||||
 | 
			
		||||
static const GOptionEntry option_entries[] = {
 | 
			
		||||
	{ "background", 'b', 0, G_OPTION_ARG_STRING,
 | 
			
		||||
	  &option_background, "Background image" },
 | 
			
		||||
	{ NULL }
 | 
			
		||||
};
 | 
			
		||||
 | 
			
		||||
static void on_enter_vt(int signal_number, void *data)
 | 
			
		||||
{
 | 
			
		||||
	struct egl_compositor *ec = data;
 | 
			
		||||
	struct wlsc_output *output;
 | 
			
		||||
	int ret, fd;
 | 
			
		||||
 | 
			
		||||
	ioctl(ec->tty_fd, VT_RELDISP, VT_ACKACQ);
 | 
			
		||||
	ec->vt_active = TRUE;
 | 
			
		||||
 | 
			
		||||
	fd = eglGetDisplayFD(ec->display);
 | 
			
		||||
	ret = drmModeSetCrtc(fd, ec->crtc_id, ec->fb_id, 0, 0,
 | 
			
		||||
			     &ec->connector_id, 1, ec->mode);
 | 
			
		||||
	if (ret) {
 | 
			
		||||
		fprintf(stderr, "failed to set mode: %m\n");
 | 
			
		||||
		return;
 | 
			
		||||
	output = container_of(ec->output_list.next, struct wlsc_output, link);
 | 
			
		||||
	while (&output->link != &ec->output_list) {
 | 
			
		||||
		ret = drmModeSetCrtc(fd, output->crtc_id, output->fb_id, 0, 0,
 | 
			
		||||
				     &output->connector_id, 1, output->mode);
 | 
			
		||||
		if (ret)
 | 
			
		||||
			fprintf(stderr, "failed to set mode for connector %d: %m\n",
 | 
			
		||||
				output->connector_id);
 | 
			
		||||
 | 
			
		||||
		output = container_of(output->link.next,
 | 
			
		||||
				      struct wlsc_output, link);
 | 
			
		||||
	}
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
| 
						 | 
				
			
			@ -949,19 +1123,7 @@ static int setup_tty(struct egl_compositor *ec, struct wl_event_loop *loop)
 | 
			
		|||
	return 0;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
static const char *
 | 
			
		||||
get_udev_property(struct udev_device *device, const char *name)
 | 
			
		||||
{
 | 
			
		||||
        struct udev_list_entry *entry;
 | 
			
		||||
 | 
			
		||||
	udev_list_entry_foreach(entry, udev_device_get_properties_list_entry(device))
 | 
			
		||||
		if (strcmp(udev_list_entry_get_name(entry), name) == 0)
 | 
			
		||||
			return udev_list_entry_get_value(entry);
 | 
			
		||||
 | 
			
		||||
	return NULL;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
static void
 | 
			
		||||
static int
 | 
			
		||||
init_libudev(struct egl_compositor *ec)
 | 
			
		||||
{
 | 
			
		||||
	struct udev_enumerate *e;
 | 
			
		||||
| 
						 | 
				
			
			@ -983,7 +1145,7 @@ init_libudev(struct egl_compositor *ec)
 | 
			
		|||
	ec->udev = udev_new();
 | 
			
		||||
	if (ec->udev == NULL) {
 | 
			
		||||
		fprintf(stderr, "failed to initialize udev context\n");
 | 
			
		||||
		return;
 | 
			
		||||
		return -1;
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	input_device = create_input_device(ec);
 | 
			
		||||
| 
						 | 
				
			
			@ -998,97 +1160,51 @@ init_libudev(struct egl_compositor *ec)
 | 
			
		|||
		seat = get_udev_property(device, "WAYLAND_SEAT");
 | 
			
		||||
		if (!seat || strcmp(seat, "1") != 0)
 | 
			
		||||
			continue;
 | 
			
		||||
 | 
			
		||||
		if (strcmp(udev_device_get_subsystem(device), "input") == 0) {
 | 
			
		||||
			evdev_input_device_create(input_device, ec->wl_display,
 | 
			
		||||
						  udev_device_get_devnode(device));
 | 
			
		||||
			continue;
 | 
			
		||||
		} else if (strcmp(udev_device_get_subsystem(device), "drm") == 0) {
 | 
			
		||||
			if (create_output(ec, device) < 0) {
 | 
			
		||||
				fprintf(stderr, "failed to create output for %s\n", path);
 | 
			
		||||
				return -1;
 | 
			
		||||
			}
 | 
			
		||||
		}
 | 
			
		||||
	}
 | 
			
		||||
        udev_enumerate_unref(e);
 | 
			
		||||
 | 
			
		||||
	/* Create the pointer surface now that we have a current EGL context. */
 | 
			
		||||
	input_device->pointer_surface =
 | 
			
		||||
		pointer_create(ec, input_device->x, input_device->y, 64, 64);
 | 
			
		||||
 | 
			
		||||
	return 0;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
static struct egl_compositor *
 | 
			
		||||
egl_compositor_create(struct wl_display *display)
 | 
			
		||||
{
 | 
			
		||||
	static const EGLint config_attribs[] = {
 | 
			
		||||
		EGL_DEPTH_SIZE, 0,
 | 
			
		||||
		EGL_STENCIL_SIZE, 0,
 | 
			
		||||
		EGL_CONFIG_CAVEAT, EGL_NONE,
 | 
			
		||||
		EGL_NONE		
 | 
			
		||||
	};
 | 
			
		||||
 | 
			
		||||
	const static EGLint attribs[] = {
 | 
			
		||||
		EGL_RENDER_BUFFER, EGL_BACK_BUFFER,
 | 
			
		||||
		EGL_NONE
 | 
			
		||||
	};
 | 
			
		||||
 | 
			
		||||
	EGLint major, minor;
 | 
			
		||||
	struct egl_compositor *ec;
 | 
			
		||||
	struct screenshooter *shooter;
 | 
			
		||||
	uint32_t fb_name;
 | 
			
		||||
	struct wl_event_loop *loop;
 | 
			
		||||
 | 
			
		||||
	ec = malloc(sizeof *ec);
 | 
			
		||||
	if (ec == NULL)
 | 
			
		||||
		return NULL;
 | 
			
		||||
 | 
			
		||||
	memset(ec, 0, sizeof *ec);
 | 
			
		||||
	ec->wl_display = display;
 | 
			
		||||
 | 
			
		||||
	ec->display = eglCreateDisplayNative(gem_device, "i965");
 | 
			
		||||
	if (ec->display == NULL) {
 | 
			
		||||
		fprintf(stderr, "failed to create display\n");
 | 
			
		||||
		return NULL;
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	if (!eglInitialize(ec->display, &major, &minor)) {
 | 
			
		||||
		fprintf(stderr, "failed to initialize display\n");
 | 
			
		||||
		return NULL;
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	if (!eglChooseConfig(ec->display, config_attribs, &ec->config, 1, NULL))
 | 
			
		||||
		return NULL;
 | 
			
		||||
 
 | 
			
		||||
	fb_name = create_frontbuffer(ec);
 | 
			
		||||
	ec->surface = eglCreateSurfaceForName(ec->display, ec->config,
 | 
			
		||||
					      fb_name, ec->width, ec->height, ec->stride, attribs);
 | 
			
		||||
	if (ec->surface == NULL) {
 | 
			
		||||
		fprintf(stderr, "failed to create surface\n");
 | 
			
		||||
		return NULL;
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	ec->context = eglCreateContext(ec->display, ec->config, NULL, NULL);
 | 
			
		||||
	if (ec->context == NULL) {
 | 
			
		||||
		fprintf(stderr, "failed to create context\n");
 | 
			
		||||
		return NULL;
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	if (!eglMakeCurrent(ec->display, ec->surface, ec->surface, ec->context)) {
 | 
			
		||||
		fprintf(stderr, "failed to make context current\n");
 | 
			
		||||
		return NULL;
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	glViewport(0, 0, ec->width, ec->height);
 | 
			
		||||
	glMatrixMode(GL_PROJECTION);
 | 
			
		||||
	glLoadIdentity();
 | 
			
		||||
	glOrtho(0, ec->width, ec->height, 0, 0, 1000.0);
 | 
			
		||||
	glMatrixMode(GL_MODELVIEW);
 | 
			
		||||
	glClearColor(0, 0, 0.2, 1);
 | 
			
		||||
 | 
			
		||||
	wl_display_set_compositor(display, &ec->base, &compositor_interface); 
 | 
			
		||||
 | 
			
		||||
	/* FIXME: This needs to be much more expressive... something like randr 1.2. */
 | 
			
		||||
	ec->output.base.interface = &wl_output_interface;
 | 
			
		||||
	wl_display_add_object(display, &ec->output.base);
 | 
			
		||||
	wl_display_add_global(display, &ec->output.base, post_output_geometry);
 | 
			
		||||
 | 
			
		||||
	add_visuals(ec);
 | 
			
		||||
 | 
			
		||||
	wl_list_init(&ec->input_device_list);
 | 
			
		||||
	init_libudev(ec);
 | 
			
		||||
 | 
			
		||||
	wl_list_init(&ec->surface_list);
 | 
			
		||||
	ec->background = background_create(ec, option_background,
 | 
			
		||||
					   ec->width, ec->height);
 | 
			
		||||
	wl_list_init(&ec->input_device_list);
 | 
			
		||||
	wl_list_init(&ec->output_list);
 | 
			
		||||
	if (init_libudev(ec) < 0) {
 | 
			
		||||
		fprintf(stderr, "failed to initialize devices\n");
 | 
			
		||||
		return NULL;
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	shooter = screenshooter_create(ec);
 | 
			
		||||
	wl_display_add_object(display, &shooter->base);
 | 
			
		||||
| 
						 | 
				
			
			@ -1099,9 +1215,6 @@ egl_compositor_create(struct wl_display *display)
 | 
			
		|||
	setup_tty(ec, loop);
 | 
			
		||||
 | 
			
		||||
	ec->timer_source = wl_event_loop_add_timer(loop, repaint, ec);
 | 
			
		||||
	ec->repaint_needed = 0;
 | 
			
		||||
	ec->repaint_on_timeout = 0;
 | 
			
		||||
 | 
			
		||||
	schedule_repaint(ec);
 | 
			
		||||
 | 
			
		||||
	return ec;
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
		Loading…
	
	Add table
		Add a link
		
	
		Reference in a new issue