* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
+#define _GNU_SOURCE
+
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <fcntl.h>
#include <unistd.h>
-#include <signal.h>
-#include <linux/vt.h>
-#include <linux/input.h>
+#include <xf86drm.h>
+#include <xf86drmMode.h>
-#define GL_GLEXT_PROTOTYPES
-#define EGL_EGLEXT_PROTOTYPES
-#include <GLES2/gl2.h>
-#include <GLES2/gl2ext.h>
-#include <EGL/egl.h>
-#include <EGL/eglext.h>
+#include <gbm.h>
#include "compositor.h"
struct udev *udev;
struct wl_event_source *drm_source;
- struct wl_event_source *term_signal_source;
+ struct udev_monitor *udev_monitor;
+ struct wl_event_source *udev_drm_source;
- /* tty handling state */
- int tty_fd;
- uint32_t vt_active : 1;
+ struct {
+ int fd;
+ } drm;
+ struct gbm_device *gbm;
+ uint32_t crtc_allocator;
+ uint32_t connector_allocator;
+ struct tty *tty;
+};
- struct termios terminal_attributes;
- struct wl_event_source *tty_input_source;
- struct wl_event_source *enter_vt_source;
- struct wl_event_source *leave_vt_source;
+struct drm_mode {
+ struct wlsc_mode base;
+ drmModeModeInfo mode_info;
};
struct drm_output {
struct wlsc_output base;
- drmModeModeInfo mode;
uint32_t crtc_id;
uint32_t connector_id;
GLuint rbo[2];
uint32_t fb_id[2];
EGLImageKHR image[2];
+ struct gbm_bo *bo[2];
uint32_t current;
-};
-struct drm_input {
- struct wlsc_input_device base;
-};
+ struct wlsc_surface *scanout_surface;
-struct evdev_input_device {
- struct drm_input *master;
- struct wl_event_source *source;
- int tool, new_x, new_y;
- int base_x, base_y;
- int fd;
+ uint32_t fs_surf_fb_id;
+ uint32_t pending_fs_surf_fb_id;
};
-static void evdev_input_device_data(int fd, uint32_t mask, void *data)
+static int
+drm_output_prepare_render(struct wlsc_output *output_base)
{
- struct drm_compositor *c;
- struct evdev_input_device *device = data;
- struct input_event ev[8], *e, *end;
- int len, value, dx, dy, absolute_event;
- int x, y;
- uint32_t time;
-
- c = (struct drm_compositor *) device->master->base.ec;
- if (!c->vt_active)
- return;
+ struct drm_output *output = (struct drm_output *) output_base;
- dx = 0;
- dy = 0;
- absolute_event = 0;
- x = device->master->base.x;
- y = device->master->base.y;
+ glFramebufferRenderbuffer(GL_FRAMEBUFFER,
+ GL_COLOR_ATTACHMENT0,
+ GL_RENDERBUFFER,
+ output->rbo[output->current]);
- len = read(fd, &ev, sizeof ev);
- if (len < 0 || len % sizeof e[0] != 0) {
- /* FIXME: handle error... reopen device? */;
- return;
- }
+ if (glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE)
+ return -1;
- e = ev;
- end = (void *) ev + len;
- for (e = ev; e < end; e++) {
- /* Get the signed value, earlier kernels had this as unsigned */
- value = e->value;
- time = e->time.tv_sec * 1000 + e->time.tv_usec / 1000;
+ return 0;
+}
- switch (e->type) {
- case EV_REL:
- switch (e->code) {
- case REL_X:
- dx += value;
- break;
+static int
+drm_output_present(struct wlsc_output *output_base)
+{
+ struct drm_output *output = (struct drm_output *) output_base;
+ struct drm_compositor *c =
+ (struct drm_compositor *) output->base.compositor;
+ uint32_t fb_id = 0;
- case REL_Y:
- dy += value;
- break;
- }
- break;
+ if (drm_output_prepare_render(&output->base))
+ return -1;
+ glFlush();
- case EV_ABS:
- absolute_event = 1;
- switch (e->code) {
- case ABS_X:
- if (device->new_x) {
- device->base_x = x - value;
- device->new_x = 0;
- }
- x = device->base_x + value;
- break;
- case ABS_Y:
- if (device->new_y) {
- device->base_y = y - value;
- device->new_y = 0;
- }
- y = device->base_y + value;
- break;
- }
- break;
+ output->current ^= 1;
- case EV_KEY:
- if (value == 2)
- break;
-
- switch (e->code) {
- case BTN_TOUCH:
- case BTN_TOOL_PEN:
- case BTN_TOOL_RUBBER:
- case BTN_TOOL_BRUSH:
- case BTN_TOOL_PENCIL:
- case BTN_TOOL_AIRBRUSH:
- case BTN_TOOL_FINGER:
- case BTN_TOOL_MOUSE:
- case BTN_TOOL_LENS:
- if (device->tool == 0 && value) {
- device->new_x = 1;
- device->new_y = 1;
- }
- device->tool = value ? e->code : 0;
- break;
-
- case BTN_LEFT:
- case BTN_RIGHT:
- case BTN_MIDDLE:
- case BTN_SIDE:
- case BTN_EXTRA:
- case BTN_FORWARD:
- case BTN_BACK:
- case BTN_TASK:
- notify_button(&device->master->base,
- time, e->code, value);
- break;
-
- default:
- notify_key(&device->master->base,
- time, e->code, value);
- break;
- }
- }
+ if (output->scanout_surface != NULL) {
+ output->scanout_surface = NULL;
+ fb_id = output->fs_surf_fb_id;
+ } else {
+ fb_id = output->fb_id[output->current ^ 1];
}
- if (dx != 0 || dy != 0)
- notify_motion(&device->master->base, time, x + dx, y + dy);
- if (absolute_event && device->tool)
- notify_motion(&device->master->base, time, x, y);
+ drmModePageFlip(c->drm.fd, output->crtc_id,
+ fb_id,
+ DRM_MODE_PAGE_FLIP_EVENT, output);
+
+ return 0;
}
-static struct evdev_input_device *
-evdev_input_device_create(struct drm_input *master,
- struct wl_display *display, const char *path)
+static void
+page_flip_handler(int fd, unsigned int frame,
+ unsigned int sec, unsigned int usec, void *data)
{
- struct evdev_input_device *device;
- struct wl_event_loop *loop;
-
- device = malloc(sizeof *device);
- if (device == NULL)
- return NULL;
-
- device->tool = 1;
- device->new_x = 1;
- device->new_y = 1;
- device->master = master;
+ struct drm_output *output = (struct drm_output *) data;
+ struct drm_compositor *c =
+ (struct drm_compositor *) output->base.compositor;
+ uint32_t msecs;
- device->fd = open(path, O_RDONLY);
- if (device->fd < 0) {
- free(device);
- fprintf(stderr, "couldn't create pointer for %s: %m\n", path);
- return NULL;
+ if (output->pending_fs_surf_fb_id) {
+ drmModeRmFB(c->drm.fd, output->pending_fs_surf_fb_id);
+ output->pending_fs_surf_fb_id = 0;
}
- loop = wl_display_get_event_loop(display);
- device->source = wl_event_loop_add_fd(loop, device->fd,
- WL_EVENT_READABLE,
- evdev_input_device_data, device);
- if (device->source == NULL) {
- close(device->fd);
- free(device);
- return NULL;
+ if (output->fs_surf_fb_id) {
+ output->pending_fs_surf_fb_id = output->fs_surf_fb_id;
+ output->fs_surf_fb_id = 0;
}
- return device;
+ msecs = sec * 1000 + usec / 1000;
+ wlsc_output_finish_frame(&output->base, msecs);
}
-static void
-drm_input_create(struct drm_compositor *c)
+static int
+drm_output_prepare_scanout_surface(struct wlsc_output *output_base,
+ struct wlsc_surface *es)
{
- struct drm_input *input;
- struct udev_enumerate *e;
- struct udev_list_entry *entry;
- struct udev_device *device;
- const char *path;
+ struct drm_output *output = (struct drm_output *) output_base;
+ struct drm_compositor *c =
+ (struct drm_compositor *) output->base.compositor;
+ EGLint handle, stride;
+ int ret;
+ uint32_t fb_id = 0;
+ struct gbm_bo *bo;
+
+ if (es->x != output->base.x ||
+ es->y != output->base.y ||
+ es->width != output->base.current->width ||
+ es->height != output->base.current->height ||
+ es->image == EGL_NO_IMAGE_KHR)
+ return -1;
- input = malloc(sizeof *input);
- if (input == NULL)
- return;
+ bo = gbm_bo_create_from_egl_image(c->gbm,
+ c->base.display, es->image,
+ es->width, es->height,
+ GBM_BO_USE_SCANOUT);
- memset(input, 0, sizeof *input);
- wlsc_input_device_init(&input->base, &c->base);
+ handle = gbm_bo_get_handle(bo).s32;
+ stride = gbm_bo_get_pitch(bo);
- e = udev_enumerate_new(c->udev);
- udev_enumerate_add_match_subsystem(e, "input");
- udev_enumerate_add_match_property(e, "WAYLAND_SEAT", "1");
- udev_enumerate_scan_devices(e);
- udev_list_entry_foreach(entry, udev_enumerate_get_list_entry(e)) {
- path = udev_list_entry_get_name(entry);
- device = udev_device_new_from_syspath(c->udev, path);
- evdev_input_device_create(input, c->base.wl_display,
- udev_device_get_devnode(device));
- }
- udev_enumerate_unref(e);
+ gbm_bo_destroy(bo);
- c->base.input_device = &input->base;
-}
+ if (handle == 0)
+ return -1;
-static void
-drm_compositor_present(struct wlsc_compositor *ec)
-{
- struct drm_compositor *c = (struct drm_compositor *) ec;
- struct drm_output *output;
+ ret = drmModeAddFB(c->drm.fd,
+ output->base.current->width,
+ output->base.current->height,
+ 32, 32, stride, handle, &fb_id);
- wl_list_for_each(output, &ec->output_list, base.link) {
- output->current ^= 1;
+ if (ret)
+ return -1;
- glFramebufferRenderbuffer(GL_FRAMEBUFFER,
- GL_COLOR_ATTACHMENT0,
- GL_RENDERBUFFER,
- output->rbo[output->current]);
+ output->fs_surf_fb_id = fb_id;
+ output->scanout_surface = es;
- drmModePageFlip(c->base.drm.fd, output->crtc_id,
- output->fb_id[output->current ^ 1],
- DRM_MODE_PAGE_FLIP_EVENT, output);
- }
+ return 0;
}
-static void
-page_flip_handler(int fd, unsigned int frame,
- unsigned int sec, unsigned int usec, void *data)
+static int
+drm_output_set_cursor(struct wlsc_output *output_base,
+ struct wlsc_input_device *eid)
{
- struct wlsc_output *output = data;
- struct wlsc_compositor *compositor = output->compositor;
- uint32_t msecs;
+ struct drm_output *output = (struct drm_output *) output_base;
+ struct drm_compositor *c =
+ (struct drm_compositor *) output->base.compositor;
+ EGLint handle, stride;
+ int ret = -1;
+ pixman_region32_t cursor_region;
+ struct gbm_bo *bo;
+
+ if (eid == NULL) {
+ drmModeSetCursor(c->drm.fd, output->crtc_id, 0, 0, 0);
+ return 0;
+ }
- msecs = sec * 1000 + usec / 1000;
- wlsc_compositor_finish_frame(compositor, msecs);
+ pixman_region32_init_rect(&cursor_region,
+ eid->sprite->x, eid->sprite->y,
+ eid->sprite->width, eid->sprite->height);
+
+ pixman_region32_intersect_rect(&cursor_region, &cursor_region,
+ output->base.x, output->base.y,
+ output->base.current->width,
+ output->base.current->height);
+
+ if (!pixman_region32_not_empty(&cursor_region))
+ goto out;
+
+ if (eid->sprite->image == EGL_NO_IMAGE_KHR)
+ goto out;
+
+ if (eid->sprite->width > 64 || eid->sprite->height > 64)
+ goto out;
+
+ bo = gbm_bo_create_from_egl_image(c->gbm,
+ c->base.display,
+ eid->sprite->image, 64, 64,
+ GBM_BO_USE_CURSOR_64X64);
+
+ handle = gbm_bo_get_handle(bo).s32;
+ stride = gbm_bo_get_pitch(bo);
+
+ gbm_bo_destroy(bo);
+
+ if (stride != 64 * 4) {
+ fprintf(stderr, "info: cursor stride is != 64\n");
+ goto out;
+ }
+
+ ret = drmModeSetCursor(c->drm.fd, output->crtc_id, handle, 64, 64);
+ if (ret) {
+ fprintf(stderr, "failed to set cursor: %s\n", strerror(-ret));
+ goto out;
+ }
+
+ ret = drmModeMoveCursor(c->drm.fd, output->crtc_id,
+ eid->sprite->x - output->base.x,
+ eid->sprite->y - output->base.y);
+ if (ret) {
+ fprintf(stderr, "failed to move cursor: %s\n", strerror(-ret));
+ goto out;
+ }
+
+out:
+ pixman_region32_fini(&cursor_region);
+ if (ret)
+ drmModeSetCursor(c->drm.fd, output->crtc_id, 0, 0, 0);
+ return ret;
}
-static void
+static int
on_drm_input(int fd, uint32_t mask, void *data)
{
drmEventContext evctx;
evctx.version = DRM_EVENT_CONTEXT_VERSION;
evctx.page_flip_handler = page_flip_handler;
drmHandleEvent(fd, &evctx);
+
+ return 1;
}
static int
};
filename = udev_device_get_devnode(device);
- fd = open(filename, O_RDWR);
+ fd = open(filename, O_RDWR, O_CLOEXEC);
if (fd < 0) {
/* Probably permissions error */
fprintf(stderr, "couldn't open %s, skipping\n",
return -1;
}
- wlsc_drm_init(&ec->base, fd, filename);
-
- ec->base.display = eglGetDRMDisplayMESA(ec->base.drm.fd);
+ setenv("EGL_PLATFORM", "drm", 1);
+ ec->drm.fd = fd;
+ ec->gbm = gbm_create_device(ec->drm.fd);
+ ec->base.display = eglGetDisplay(ec->gbm);
if (ec->base.display == NULL) {
fprintf(stderr, "failed to create display\n");
return -1;
return -1;
}
- eglBindAPI(EGL_OPENGL_ES_API);
+ if (!eglBindAPI(EGL_OPENGL_ES_API)) {
+ fprintf(stderr, "failed to bind api EGL_OPENGL_ES_API\n");
+ return -1;
+ }
+
ec->base.context = eglCreateContext(ec->base.display, NULL,
EGL_NO_CONTEXT, context_attribs);
if (ec->base.context == NULL) {
"1024x768"
};
+
+static int
+drm_output_add_mode(struct drm_output *output, drmModeModeInfo *info)
+{
+ struct drm_mode *mode;
+
+ mode = malloc(sizeof *mode);
+ if (mode == NULL)
+ return -1;
+
+ mode->base.flags = 0;
+ mode->base.width = info->hdisplay;
+ mode->base.height = info->vdisplay;
+ mode->base.refresh = info->vrefresh;
+ mode->mode_info = *info;
+ wl_list_insert(output->base.mode_list.prev, &mode->base.link);
+
+ return 0;
+}
+
+static int
+drm_subpixel_to_wayland(int drm_value)
+{
+ switch (drm_value) {
+ default:
+ case DRM_MODE_SUBPIXEL_UNKNOWN:
+ return WL_OUTPUT_SUBPIXEL_UNKNOWN;
+ case DRM_MODE_SUBPIXEL_NONE:
+ return WL_OUTPUT_SUBPIXEL_NONE;
+ case DRM_MODE_SUBPIXEL_HORIZONTAL_RGB:
+ return WL_OUTPUT_SUBPIXEL_HORIZONTAL_RGB;
+ case DRM_MODE_SUBPIXEL_HORIZONTAL_BGR:
+ return WL_OUTPUT_SUBPIXEL_HORIZONTAL_BGR;
+ case DRM_MODE_SUBPIXEL_VERTICAL_RGB:
+ return WL_OUTPUT_SUBPIXEL_VERTICAL_RGB;
+ case DRM_MODE_SUBPIXEL_VERTICAL_BGR:
+ return WL_OUTPUT_SUBPIXEL_VERTICAL_BGR;
+ }
+}
+
static int
create_output_for_connector(struct drm_compositor *ec,
drmModeRes *resources,
- drmModeConnector *connector)
+ drmModeConnector *connector,
+ int x, int y)
{
struct drm_output *output;
+ struct drm_mode *drm_mode;
drmModeEncoder *encoder;
- drmModeModeInfo *mode;
int i, ret;
- EGLint handle, stride, attribs[] = {
- EGL_WIDTH, 0,
- EGL_HEIGHT, 0,
- EGL_DRM_BUFFER_FORMAT_MESA, EGL_DRM_BUFFER_FORMAT_ARGB32_MESA,
- EGL_DRM_BUFFER_USE_MESA, EGL_DRM_BUFFER_USE_SCANOUT_MESA,
- EGL_NONE
- };
+ unsigned handle, stride;
- output = malloc(sizeof *output);
- if (output == NULL)
- return -1;
-
- if (connector->count_modes > 0)
- mode = &connector->modes[0];
- else
- mode = &builtin_1024x768;
-
- encoder = drmModeGetEncoder(ec->base.drm.fd, connector->encoders[0]);
+ encoder = drmModeGetEncoder(ec->drm.fd, connector->encoders[0]);
if (encoder == NULL) {
fprintf(stderr, "No encoder for connector.\n");
return -1;
}
for (i = 0; i < resources->count_crtcs; i++) {
- if (encoder->possible_crtcs & (1 << i))
+ if (encoder->possible_crtcs & (1 << i) &&
+ !(ec->crtc_allocator & (1 << resources->crtcs[i])))
break;
}
if (i == resources->count_crtcs) {
return -1;
}
+ output = malloc(sizeof *output);
+ if (output == NULL)
+ return -1;
+
memset(output, 0, sizeof *output);
- wlsc_output_init(&output->base, &ec->base, 0, 0,
- mode->hdisplay, mode->vdisplay);
+ output->base.subpixel = drm_subpixel_to_wayland(connector->subpixel);
+ output->base.make = "unknown";
+ output->base.model = "unknown";
+ wl_list_init(&output->base.mode_list);
output->crtc_id = resources->crtcs[i];
+ ec->crtc_allocator |= (1 << output->crtc_id);
output->connector_id = connector->connector_id;
- output->mode = *mode;
+ ec->connector_allocator |= (1 << output->connector_id);
+
+ for (i = 0; i < connector->count_modes; i++)
+ drm_output_add_mode(output, &connector->modes[i]);
+ if (connector->count_modes == 0)
+ drm_output_add_mode(output, &builtin_1024x768);
+
+ drm_mode = container_of(output->base.mode_list.next,
+ struct drm_mode, base.link);
+ output->base.current = &drm_mode->base;
+ drm_mode->base.flags =
+ WL_OUTPUT_MODE_CURRENT | WL_OUTPUT_MODE_PREFERRED;
+
+ wlsc_output_init(&output->base, &ec->base, x, y,
+ connector->mmWidth, connector->mmHeight, 0);
+
+ wl_list_insert(ec->base.output_list.prev, &output->base.link);
drmModeFreeEncoder(encoder);
for (i = 0; i < 2; i++) {
glBindRenderbuffer(GL_RENDERBUFFER, output->rbo[i]);
- attribs[1] = output->base.width;
- attribs[3] = output->base.height;
- output->image[i] =
- eglCreateDRMImageMESA(ec->base.display, attribs);
- glEGLImageTargetRenderbufferStorageOES(GL_RENDERBUFFER,
- output->image[i]);
- eglExportDRMImageMESA(ec->base.display, output->image[i],
- NULL, &handle, &stride);
-
- ret = drmModeAddFB(ec->base.drm.fd,
- output->base.width, output->base.height,
+ output->bo[i] =
+ gbm_bo_create(ec->gbm,
+ output->base.current->width,
+ output->base.current->height,
+ GBM_BO_FORMAT_XRGB8888,
+ GBM_BO_USE_SCANOUT | GBM_BO_USE_RENDERING);
+ output->image[i] = ec->base.create_image(ec->base.display,
+ NULL,
+ EGL_NATIVE_PIXMAP_KHR,
+ output->bo[i], NULL);
+
+
+ ec->base.image_target_renderbuffer_storage(GL_RENDERBUFFER,
+ output->image[i]);
+ stride = gbm_bo_get_pitch(output->bo[i]);
+ handle = gbm_bo_get_handle(output->bo[i]).u32;
+
+ ret = drmModeAddFB(ec->drm.fd,
+ output->base.current->width,
+ output->base.current->height,
32, 32, stride, handle, &output->fb_id[i]);
if (ret) {
fprintf(stderr, "failed to add fb %d: %m\n", i);
GL_COLOR_ATTACHMENT0,
GL_RENDERBUFFER,
output->rbo[output->current]);
- ret = drmModeSetCrtc(ec->base.drm.fd, output->crtc_id,
+ ret = drmModeSetCrtc(ec->drm.fd, output->crtc_id,
output->fb_id[output->current ^ 1], 0, 0,
- &output->connector_id, 1, &output->mode);
+ &output->connector_id, 1,
+ &drm_mode->mode_info);
if (ret) {
fprintf(stderr, "failed to set mode: %m\n");
return -1;
}
- wl_list_insert(ec->base.output_list.prev, &output->base.link);
+ output->scanout_surface = NULL;
+ output->base.prepare_render = drm_output_prepare_render;
+ output->base.present = drm_output_present;
+ output->base.prepare_scanout_surface =
+ drm_output_prepare_scanout_surface;
+ output->base.set_hardware_cursor = drm_output_set_cursor;
return 0;
}
drmModeConnector *connector;
drmModeRes *resources;
int i;
+ int x = 0, y = 0;
- resources = drmModeGetResources(ec->base.drm.fd);
+ resources = drmModeGetResources(ec->drm.fd);
if (!resources) {
fprintf(stderr, "drmModeGetResources failed\n");
return -1;
}
for (i = 0; i < resources->count_connectors; i++) {
- connector = drmModeGetConnector(ec->base.drm.fd, resources->connectors[i]);
+ connector = drmModeGetConnector(ec->drm.fd, resources->connectors[i]);
if (connector == NULL)
continue;
if (connector->connection == DRM_MODE_CONNECTED &&
(option_connector == 0 ||
- connector->connector_id == option_connector))
- if (create_output_for_connector(ec, resources, connector) < 0)
+ connector->connector_id == option_connector)) {
+ if (create_output_for_connector(ec, resources,
+ connector, x, y) < 0)
return -1;
+ x += container_of(ec->base.output_list.prev,
+ struct wlsc_output,
+ link)->current->width;
+ }
+
drmModeFreeConnector(connector);
}
return 0;
}
-static void on_enter_vt(int signal_number, void *data)
+static int
+destroy_output(struct drm_output *output)
{
- struct drm_compositor *ec = data;
- struct drm_output *output;
- int ret;
+ struct drm_compositor *ec =
+ (struct drm_compositor *) output->base.compositor;
+ int i;
- ret = drmSetMaster(ec->base.drm.fd);
- if (ret) {
- fprintf(stderr, "failed to set drm master\n");
- kill(0, SIGTERM);
- return;
+ glFramebufferRenderbuffer(GL_FRAMEBUFFER,
+ GL_COLOR_ATTACHMENT0,
+ GL_RENDERBUFFER,
+ 0);
+
+ glBindRenderbuffer(GL_RENDERBUFFER, 0);
+ glDeleteRenderbuffers(2, output->rbo);
+
+ for (i = 0; i < 2; i++) {
+ ec->base.destroy_image(ec->base.display, output->image[i]);
+ drmModeRmFB(ec->drm.fd, output->fb_id[i]);
}
+
+ ec->crtc_allocator &= ~(1 << output->crtc_id);
+ ec->connector_allocator &= ~(1 << output->connector_id);
- fprintf(stderr, "enter vt\n");
+ wlsc_output_destroy(&output->base);
+ wl_list_remove(&output->base.link);
- ioctl(ec->tty_fd, VT_RELDISP, VT_ACKACQ);
- ec->vt_active = 1;
+ free(output);
- wl_list_for_each(output, &ec->base.output_list, base.link) {
- ret = drmModeSetCrtc(ec->base.drm.fd, output->crtc_id,
- output->fb_id[output->current ^ 1], 0, 0,
- &output->connector_id, 1, &output->mode);
- if (ret)
- fprintf(stderr,
- "failed to set mode for connector %d: %m\n",
- output->connector_id);
- }
+ return 0;
}
-static void on_leave_vt(int signal_number, void *data)
+static void
+update_outputs(struct drm_compositor *ec)
{
- struct drm_compositor *ec = data;
- int ret;
+ drmModeConnector *connector;
+ drmModeRes *resources;
+ struct drm_output *output, *next;
+ int x = 0, y = 0;
+ int x_offset = 0, y_offset = 0;
+ uint32_t connected = 0, disconnects = 0;
+ int i;
- ret = drmDropMaster(ec->base.drm.fd);
- if (ret) {
- fprintf(stderr, "failed to drop drm master\n");
- kill(0, SIGTERM);
+ resources = drmModeGetResources(ec->drm.fd);
+ if (!resources) {
+ fprintf(stderr, "drmModeGetResources failed\n");
return;
}
- ioctl (ec->tty_fd, VT_RELDISP, 1);
- ec->vt_active = 0;
-}
+ /* collect new connects */
+ for (i = 0; i < resources->count_connectors; i++) {
+ connector =
+ drmModeGetConnector(ec->drm.fd,
+ resources->connectors[i]);
+ if (connector == NULL ||
+ connector->connection != DRM_MODE_CONNECTED)
+ continue;
-static void
-on_tty_input(int fd, uint32_t mask, void *data)
-{
- struct drm_compositor *ec = data;
+ connected |= (1 << connector->connector_id);
+
+ if (!(ec->connector_allocator & (1 << connector->connector_id))) {
+ struct wlsc_output *last_output =
+ container_of(ec->base.output_list.prev,
+ struct wlsc_output, link);
+
+ /* XXX: not yet needed, we die with 0 outputs */
+ if (!wl_list_empty(&ec->base.output_list))
+ x = last_output->x + last_output->current->width;
+ else
+ x = 0;
+ y = 0;
+ create_output_for_connector(ec, resources,
+ connector, x, y);
+ printf("connector %d connected\n",
+ connector->connector_id);
+
+ }
+ drmModeFreeConnector(connector);
+ }
+ drmModeFreeResources(resources);
+
+ disconnects = ec->connector_allocator & ~connected;
+ if (disconnects) {
+ wl_list_for_each_safe(output, next, &ec->base.output_list,
+ base.link) {
+ if (x_offset != 0 || y_offset != 0) {
+ wlsc_output_move(&output->base,
+ output->base.x - x_offset,
+ output->base.y - y_offset);
+ }
+
+ if (disconnects & (1 << output->connector_id)) {
+ disconnects &= ~(1 << output->connector_id);
+ printf("connector %d disconnected\n",
+ output->connector_id);
+ x_offset += output->base.current->width;
+ destroy_output(output);
+ }
+ }
+ }
- /* Ignore input to tty. We get keyboard events from evdev
- */
- tcflush(ec->tty_fd, TCIFLUSH);
+ /* FIXME: handle zero outputs, without terminating */
+ if (ec->connector_allocator == 0)
+ wl_display_terminate(ec->base.wl_display);
}
-static void on_term_signal(int signal_number, void *data)
+static int
+udev_event_is_hotplug(struct udev_device *device)
{
- struct drm_compositor *ec = data;
+ struct udev_list_entry *list, *hotplug_entry;
+
+ list = udev_device_get_properties_list_entry(device);
- if (tcsetattr(ec->tty_fd, TCSANOW, &ec->terminal_attributes) < 0)
- fprintf(stderr, "could not restore terminal to canonical mode\n");
+ hotplug_entry = udev_list_entry_get_by_name(list, "HOTPLUG");
+ if (hotplug_entry == NULL)
+ return 0;
- exit(0);
+ return strcmp(udev_list_entry_get_value(hotplug_entry), "1") == 0;
}
-static int setup_tty(struct drm_compositor *ec, struct wl_event_loop *loop)
+static int
+udev_drm_event(int fd, uint32_t mask, void *data)
{
- struct termios raw_attributes;
- struct vt_mode mode = { 0 };
-
- ec->tty_fd = open("/dev/tty0", O_RDWR | O_NOCTTY);
- if (ec->tty_fd <= 0) {
- fprintf(stderr, "failed to open active tty: %m\n");
- return -1;
- }
-
- if (tcgetattr(ec->tty_fd, &ec->terminal_attributes) < 0) {
- fprintf(stderr, "could not get terminal attributes: %m\n");
- return -1;
- }
+ struct drm_compositor *ec = data;
+ struct udev_device *event;
- /* Ignore control characters and disable echo */
- raw_attributes = ec->terminal_attributes;
- cfmakeraw(&raw_attributes);
+ event = udev_monitor_receive_device(ec->udev_monitor);
+
+ if (udev_event_is_hotplug(event))
+ update_outputs(ec);
- /* Fix up line endings to be normal (cfmakeraw hoses them) */
- raw_attributes.c_oflag |= OPOST | OCRNL;
+ udev_device_unref(event);
- if (tcsetattr(ec->tty_fd, TCSANOW, &raw_attributes) < 0)
- fprintf(stderr, "could not put terminal into raw mode: %m\n");
+ return 1;
+}
- ec->term_signal_source =
- wl_event_loop_add_signal(loop, SIGTERM, on_term_signal, ec);
+static EGLImageKHR
+drm_compositor_create_cursor_image(struct wlsc_compositor *ec,
+ int32_t width, int32_t height)
+{
+ struct drm_compositor *c = (struct drm_compositor *) ec;
+ struct gbm_bo *bo;
+ EGLImageKHR image;
+ uint32_t *pixels;
+ GLuint tex;
+
+ if (width > 64 || height > 64)
+ return EGL_NO_IMAGE_KHR;
+
+ bo = gbm_bo_create(c->gbm,
+ /* width, height, */ 64, 64,
+ GBM_BO_FORMAT_ARGB8888,
+ GBM_BO_USE_CURSOR_64X64 | GBM_BO_USE_RENDERING);
+
+ image = ec->create_image(c->base.display, NULL,
+ EGL_NATIVE_PIXMAP_KHR, bo, NULL);
+ gbm_bo_destroy(bo);
+
+ /* If the requested size is smaller than the allocated one, make the
+ * whole image transparent. */
+ if (width != 64 || height != 64) {
+ pixels = calloc(64 * 64, sizeof *pixels);
+
+ glGenTextures(1, &tex);
+ glBindTexture(GL_TEXTURE_2D, tex);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+
+ c->base.image_target_texture_2d(GL_TEXTURE_2D, image);
+ glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 64, 64,
+ GL_BGRA_EXT, GL_UNSIGNED_BYTE, pixels);
+
+ glDeleteTextures(1, &tex);
+ free(pixels);
+ }
- ec->tty_input_source =
- wl_event_loop_add_fd(loop, ec->tty_fd,
- WL_EVENT_READABLE, on_tty_input, ec);
+ return image;
+}
- ec->vt_active = 1;
- mode.mode = VT_PROCESS;
- mode.relsig = SIGUSR1;
- mode.acqsig = SIGUSR2;
- if (!ioctl(ec->tty_fd, VT_SETMODE, &mode) < 0) {
- fprintf(stderr, "failed to take control of vt handling\n");
- }
+static void
+drm_destroy(struct wlsc_compositor *ec)
+{
+ struct drm_compositor *d = (struct drm_compositor *) ec;
- ec->leave_vt_source =
- wl_event_loop_add_signal(loop, SIGUSR1, on_leave_vt, ec);
- ec->enter_vt_source =
- wl_event_loop_add_signal(loop, SIGUSR2, on_enter_vt, ec);
+ tty_destroy(d->tty);
- return 0;
+ free(d);
}
-static int
-drm_authenticate(struct wlsc_compositor *c, uint32_t id)
+static void
+vt_func(struct wlsc_compositor *compositor, int event)
{
- struct drm_compositor *ec = (struct drm_compositor *) c;
+ struct drm_compositor *ec = (struct drm_compositor *) compositor;
+ struct wlsc_output *output;
+
+ switch (event) {
+ case TTY_ENTER_VT:
+ compositor->focus = 1;
+ drmSetMaster(ec->drm.fd);
+ compositor->state = WLSC_COMPOSITOR_ACTIVE;
+ wlsc_compositor_damage_all(compositor);
+ break;
+ case TTY_LEAVE_VT:
+ compositor->focus = 0;
+ compositor->state = WLSC_COMPOSITOR_SLEEPING;
+ drmDropMaster(ec->drm.fd);
+
+ wl_list_for_each(output, &ec->base.output_list, link)
+ drm_output_set_cursor(output, NULL);
- return drmAuthMagic(ec->base.drm.fd, id);
+ break;
+ };
}
-struct wlsc_compositor *
-drm_compositor_create(struct wl_display *display, int connector)
+static const char default_seat[] = "seat0";
+
+static struct wlsc_compositor *
+drm_compositor_create(struct wl_display *display,
+ int connector, const char *seat)
{
struct drm_compositor *ec;
struct udev_enumerate *e;
struct udev_list_entry *entry;
- struct udev_device *device;
- const char *path;
+ struct udev_device *device, *drm_device;
+ const char *path, *device_seat;
struct wl_event_loop *loop;
ec = malloc(sizeof *ec);
e = udev_enumerate_new(ec->udev);
udev_enumerate_add_match_subsystem(e, "drm");
- udev_enumerate_add_match_property(e, "WAYLAND_SEAT", "1");
+
udev_enumerate_scan_devices(e);
- device = NULL;
+ drm_device = NULL;
udev_list_entry_foreach(entry, udev_enumerate_get_list_entry(e)) {
path = udev_list_entry_get_name(entry);
device = udev_device_new_from_syspath(ec->udev, path);
- break;
+ device_seat =
+ udev_device_get_property_value(device, "ID_SEAT");
+ if (!device_seat)
+ device_seat = default_seat;
+ if (strcmp(device_seat, seat) == 0) {
+ drm_device = device;
+ break;
+ }
+ udev_device_unref(device);
}
+
udev_enumerate_unref(e);
- if (device == NULL) {
+ if (drm_device == NULL) {
fprintf(stderr, "no drm device found\n");
return NULL;
}
ec->base.wl_display = display;
- if (init_egl(ec, device) < 0) {
+ if (init_egl(ec, drm_device) < 0) {
fprintf(stderr, "failed to initialize egl\n");
return NULL;
}
-
+
+ udev_device_unref(drm_device);
+
+ ec->base.destroy = drm_destroy;
+ ec->base.create_cursor_image = drm_compositor_create_cursor_image;
+
+ ec->base.focus = 1;
+
+ glGenFramebuffers(1, &ec->base.fbo);
+ glBindFramebuffer(GL_FRAMEBUFFER, ec->base.fbo);
+
/* Can't init base class until we have a current egl context */
if (wlsc_compositor_init(&ec->base, display) < 0)
return NULL;
return NULL;
}
- drm_input_create(ec);
+ evdev_input_add_devices(&ec->base, ec->udev, seat);
loop = wl_display_get_event_loop(ec->base.wl_display);
ec->drm_source =
- wl_event_loop_add_fd(loop, ec->base.drm.fd,
+ wl_event_loop_add_fd(loop, ec->drm.fd,
WL_EVENT_READABLE, on_drm_input, ec);
- setup_tty(ec, loop);
- ec->base.authenticate = drm_authenticate;
- ec->base.present = drm_compositor_present;
- ec->base.focus = 1;
+ ec->tty = tty_create(&ec->base, vt_func);
+
+ ec->udev_monitor = udev_monitor_new_from_netlink(ec->udev, "udev");
+ if (ec->udev_monitor == NULL) {
+ fprintf(stderr, "failed to intialize udev monitor\n");
+ return NULL;
+ }
+ udev_monitor_filter_add_match_subsystem_devtype(ec->udev_monitor,
+ "drm", NULL);
+ ec->udev_drm_source =
+ wl_event_loop_add_fd(loop, udev_monitor_get_fd(ec->udev_monitor),
+ WL_EVENT_READABLE, udev_drm_event, ec);
+
+ if (udev_monitor_enable_receiving(ec->udev_monitor) < 0) {
+ fprintf(stderr, "failed to enable udev-monitor receiving\n");
+ return NULL;
+ }
return &ec->base;
}
+
+struct wlsc_compositor *
+backend_init(struct wl_display *display, char *options);
+
+WL_EXPORT struct wlsc_compositor *
+backend_init(struct wl_display *display, char *options)
+{
+ int connector = 0, i;
+ const char *seat;
+ char *p, *value;
+
+ static char * const tokens[] = { "connector", "seat", NULL };
+
+ p = options;
+ seat = default_seat;
+ while (i = getsubopt(&p, tokens, &value), i != -1) {
+ switch (i) {
+ case 0:
+ connector = strtol(value, NULL, 0);
+ break;
+ case 1:
+ seat = value;
+ break;
+ }
+ }
+
+ return drm_compositor_create(display, connector, seat);
+}