#include <xf86drm.h>
#include <xf86drmMode.h>
#include <drm_fourcc.h>
+#ifdef VK_USE_PLATFORM_XLIB_XRANDR_EXT
+#include <xcb/randr.h>
+#include <X11/Xlib-xcb.h>
+#endif
#include "util/hash_table.h"
#include "util/list.h"
struct list_head display_modes;
wsi_display_mode *current_mode;
drmModeModeInfo current_drm_mode;
+#ifdef VK_USE_PLATFORM_XLIB_XRANDR_EXT
+ xcb_randr_output_t output;
+#endif
} wsi_display_connector;
struct wsi_display {
close(wsi->fd);
wsi->fd = -1;
}
+#ifdef VK_USE_PLATFORM_XLIB_XRANDR_EXT
+ wsi_display_connector_from_handle(display)->output = None;
+#endif
+
+ return VK_SUCCESS;
+}
+
+#ifdef VK_USE_PLATFORM_XLIB_XRANDR_EXT
+
+static struct wsi_display_connector *
+wsi_display_find_output(struct wsi_device *wsi_device,
+ xcb_randr_output_t output)
+{
+ struct wsi_display *wsi =
+ (struct wsi_display *) wsi_device->wsi[VK_ICD_WSI_PLATFORM_DISPLAY];
+
+ wsi_for_each_connector(connector, wsi) {
+ if (connector->output == output)
+ return connector;
+ }
+
+ return NULL;
+}
+
+/*
+ * Given a RandR output, find the associated kernel connector_id by
+ * looking at the CONNECTOR_ID property provided by the X server
+ */
+
+static uint32_t
+wsi_display_output_to_connector_id(xcb_connection_t *connection,
+ xcb_atom_t *connector_id_atom_p,
+ xcb_randr_output_t output)
+{
+ uint32_t connector_id = 0;
+ xcb_atom_t connector_id_atom = *connector_id_atom_p;
+
+ if (connector_id_atom == 0) {
+ /* Go dig out the CONNECTOR_ID property */
+ xcb_intern_atom_cookie_t ia_c = xcb_intern_atom(connection,
+ true,
+ 12,
+ "CONNECTOR_ID");
+ xcb_intern_atom_reply_t *ia_r = xcb_intern_atom_reply(connection,
+ ia_c,
+ NULL);
+ if (ia_r) {
+ *connector_id_atom_p = connector_id_atom = ia_r->atom;
+ free(ia_r);
+ }
+ }
+
+ /* If there's an CONNECTOR_ID atom in the server, then there may be a
+ * CONNECTOR_ID property. Otherwise, there will not be and we don't even
+ * need to bother.
+ */
+ if (connector_id_atom) {
+
+ xcb_randr_query_version_cookie_t qv_c =
+ xcb_randr_query_version(connection, 1, 6);
+ xcb_randr_get_output_property_cookie_t gop_c =
+ xcb_randr_get_output_property(connection,
+ output,
+ connector_id_atom,
+ 0,
+ 0,
+ 0xffffffffUL,
+ 0,
+ 0);
+ xcb_randr_query_version_reply_t *qv_r =
+ xcb_randr_query_version_reply(connection, qv_c, NULL);
+ free(qv_r);
+ xcb_randr_get_output_property_reply_t *gop_r =
+ xcb_randr_get_output_property_reply(connection, gop_c, NULL);
+ if (gop_r) {
+ if (gop_r->num_items == 1 && gop_r->format == 32)
+ memcpy(&connector_id, xcb_randr_get_output_property_data(gop_r), 4);
+ free(gop_r);
+ }
+ }
+ return connector_id;
+}
+
+static bool
+wsi_display_check_randr_version(xcb_connection_t *connection)
+{
+ xcb_randr_query_version_cookie_t qv_c =
+ xcb_randr_query_version(connection, 1, 6);
+ xcb_randr_query_version_reply_t *qv_r =
+ xcb_randr_query_version_reply(connection, qv_c, NULL);
+ bool ret = false;
+
+ if (!qv_r)
+ return false;
+
+ /* Check for version 1.6 or newer */
+ ret = (qv_r->major_version > 1 ||
+ (qv_r->major_version == 1 && qv_r->minor_version >= 6));
+
+ free(qv_r);
+ return ret;
+}
+
+/*
+ * Given a kernel connector id, find the associated RandR output using the
+ * CONNECTOR_ID property
+ */
+
+static xcb_randr_output_t
+wsi_display_connector_id_to_output(xcb_connection_t *connection,
+ uint32_t connector_id)
+{
+ if (!wsi_display_check_randr_version(connection))
+ return 0;
+
+ const xcb_setup_t *setup = xcb_get_setup(connection);
+
+ xcb_atom_t connector_id_atom = 0;
+ xcb_randr_output_t output = 0;
+
+ /* Search all of the screens for the provided output */
+ xcb_screen_iterator_t iter;
+ for (iter = xcb_setup_roots_iterator(setup);
+ output == 0 && iter.rem;
+ xcb_screen_next(&iter))
+ {
+ xcb_randr_get_screen_resources_cookie_t gsr_c =
+ xcb_randr_get_screen_resources(connection, iter.data->root);
+ xcb_randr_get_screen_resources_reply_t *gsr_r =
+ xcb_randr_get_screen_resources_reply(connection, gsr_c, NULL);
+
+ if (!gsr_r)
+ return 0;
+
+ xcb_randr_output_t *ro = xcb_randr_get_screen_resources_outputs(gsr_r);
+ int o;
+
+ for (o = 0; o < gsr_r->num_outputs; o++) {
+ if (wsi_display_output_to_connector_id(connection,
+ &connector_id_atom, ro[o])
+ == connector_id)
+ {
+ output = ro[o];
+ break;
+ }
+ }
+ free(gsr_r);
+ }
+ return output;
+}
+
+/*
+ * Given a RandR output, find out which screen it's associated with
+ */
+static xcb_window_t
+wsi_display_output_to_root(xcb_connection_t *connection,
+ xcb_randr_output_t output)
+{
+ if (!wsi_display_check_randr_version(connection))
+ return 0;
+
+ const xcb_setup_t *setup = xcb_get_setup(connection);
+ xcb_window_t root = 0;
+
+ /* Search all of the screens for the provided output */
+ for (xcb_screen_iterator_t iter = xcb_setup_roots_iterator(setup);
+ root == 0 && iter.rem;
+ xcb_screen_next(&iter))
+ {
+ xcb_randr_get_screen_resources_cookie_t gsr_c =
+ xcb_randr_get_screen_resources(connection, iter.data->root);
+ xcb_randr_get_screen_resources_reply_t *gsr_r =
+ xcb_randr_get_screen_resources_reply(connection, gsr_c, NULL);
+
+ if (!gsr_r)
+ return 0;
+
+ xcb_randr_output_t *ro = xcb_randr_get_screen_resources_outputs(gsr_r);
+
+ for (int o = 0; o < gsr_r->num_outputs; o++) {
+ if (ro[o] == output) {
+ root = iter.data->root;
+ break;
+ }
+ }
+ free(gsr_r);
+ }
+ return root;
+}
+
+static bool
+wsi_display_mode_matches_x(struct wsi_display_mode *wsi,
+ xcb_randr_mode_info_t *xcb)
+{
+ return wsi->clock == (xcb->dot_clock + 500) / 1000 &&
+ wsi->hdisplay == xcb->width &&
+ wsi->hsync_start == xcb->hsync_start &&
+ wsi->hsync_end == xcb->hsync_end &&
+ wsi->htotal == xcb->htotal &&
+ wsi->hskew == xcb->hskew &&
+ wsi->vdisplay == xcb->height &&
+ wsi->vsync_start == xcb->vsync_start &&
+ wsi->vsync_end == xcb->vsync_end &&
+ wsi->vtotal == xcb->vtotal &&
+ wsi->vscan <= 1 &&
+ wsi->flags == xcb->mode_flags;
+}
+
+static struct wsi_display_mode *
+wsi_display_find_x_mode(struct wsi_device *wsi_device,
+ struct wsi_display_connector *connector,
+ xcb_randr_mode_info_t *mode)
+{
+ wsi_for_each_display_mode(display_mode, connector) {
+ if (wsi_display_mode_matches_x(display_mode, mode))
+ return display_mode;
+ }
+ return NULL;
+}
+
+static VkResult
+wsi_display_register_x_mode(struct wsi_device *wsi_device,
+ struct wsi_display_connector *connector,
+ xcb_randr_mode_info_t *x_mode,
+ bool preferred)
+{
+ struct wsi_display *wsi =
+ (struct wsi_display *) wsi_device->wsi[VK_ICD_WSI_PLATFORM_DISPLAY];
+ struct wsi_display_mode *display_mode =
+ wsi_display_find_x_mode(wsi_device, connector, x_mode);
+
+ if (display_mode) {
+ display_mode->valid = true;
+ return VK_SUCCESS;
+ }
+
+ display_mode = vk_zalloc(wsi->alloc, sizeof (struct wsi_display_mode),
+ 8, VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE);
+ if (!display_mode)
+ return VK_ERROR_OUT_OF_HOST_MEMORY;
+
+ display_mode->connector = connector;
+ display_mode->valid = true;
+ display_mode->preferred = preferred;
+ display_mode->clock = (x_mode->dot_clock + 500) / 1000; /* kHz */
+ display_mode->hdisplay = x_mode->width;
+ display_mode->hsync_start = x_mode->hsync_start;
+ display_mode->hsync_end = x_mode->hsync_end;
+ display_mode->htotal = x_mode->htotal;
+ display_mode->hskew = x_mode->hskew;
+ display_mode->vdisplay = x_mode->height;
+ display_mode->vsync_start = x_mode->vsync_start;
+ display_mode->vsync_end = x_mode->vsync_end;
+ display_mode->vtotal = x_mode->vtotal;
+ display_mode->vscan = 0;
+ display_mode->flags = x_mode->mode_flags;
+
+ list_addtail(&display_mode->list, &connector->display_modes);
+ return VK_SUCCESS;
+}
+
+static struct wsi_display_connector *
+wsi_display_get_output(struct wsi_device *wsi_device,
+ xcb_connection_t *connection,
+ xcb_randr_output_t output)
+{
+ struct wsi_display *wsi =
+ (struct wsi_display *) wsi_device->wsi[VK_ICD_WSI_PLATFORM_DISPLAY];
+ struct wsi_display_connector *connector;
+ uint32_t connector_id;
+
+ xcb_window_t root = wsi_display_output_to_root(connection, output);
+ if (!root)
+ return NULL;
+
+ /* See if we already have a connector for this output */
+ connector = wsi_display_find_output(wsi_device, output);
+
+ if (!connector) {
+ xcb_atom_t connector_id_atom = 0;
+
+ /*
+ * Go get the kernel connector ID for this X output
+ */
+ connector_id = wsi_display_output_to_connector_id(connection,
+ &connector_id_atom,
+ output);
+
+ /* Any X server with lease support will have this atom */
+ if (!connector_id) {
+ return NULL;
+ }
+
+ /* See if we already have a connector for this id */
+ connector = wsi_display_find_connector(wsi_device, connector_id);
+
+ if (connector == NULL) {
+ connector = wsi_display_alloc_connector(wsi, connector_id);
+ if (!connector) {
+ return NULL;
+ }
+ list_addtail(&connector->list, &wsi->connectors);
+ }
+ connector->output = output;
+ }
+
+ xcb_randr_get_screen_resources_cookie_t src =
+ xcb_randr_get_screen_resources(connection, root);
+ xcb_randr_get_output_info_cookie_t oic =
+ xcb_randr_get_output_info(connection, output, XCB_CURRENT_TIME);
+ xcb_randr_get_screen_resources_reply_t *srr =
+ xcb_randr_get_screen_resources_reply(connection, src, NULL);
+ xcb_randr_get_output_info_reply_t *oir =
+ xcb_randr_get_output_info_reply(connection, oic, NULL);
+
+ if (oir && srr) {
+ /* Get X modes and add them */
+
+ connector->connected =
+ oir->connection != XCB_RANDR_CONNECTION_DISCONNECTED;
+
+ wsi_display_invalidate_connector_modes(wsi_device, connector);
+
+ xcb_randr_mode_t *x_modes = xcb_randr_get_output_info_modes(oir);
+ for (int m = 0; m < oir->num_modes; m++) {
+ xcb_randr_mode_info_iterator_t i =
+ xcb_randr_get_screen_resources_modes_iterator(srr);
+ while (i.rem) {
+ xcb_randr_mode_info_t *mi = i.data;
+ if (mi->id == x_modes[m]) {
+ VkResult result = wsi_display_register_x_mode(
+ wsi_device, connector, mi, m < oir->num_preferred);
+ if (result != VK_SUCCESS) {
+ free(oir);
+ free(srr);
+ return NULL;
+ }
+ break;
+ }
+ xcb_randr_mode_info_next(&i);
+ }
+ }
+ }
+
+ free(oir);
+ free(srr);
+ return connector;
+}
+
+static xcb_randr_crtc_t
+wsi_display_find_crtc_for_output(xcb_connection_t *connection,
+ xcb_window_t root,
+ xcb_randr_output_t output)
+{
+ xcb_randr_get_screen_resources_cookie_t gsr_c =
+ xcb_randr_get_screen_resources(connection, root);
+ xcb_randr_get_screen_resources_reply_t *gsr_r =
+ xcb_randr_get_screen_resources_reply(connection, gsr_c, NULL);
+
+ if (!gsr_r)
+ return 0;
+
+ xcb_randr_crtc_t *rc = xcb_randr_get_screen_resources_crtcs(gsr_r);
+ xcb_randr_crtc_t idle_crtc = 0;
+ xcb_randr_crtc_t active_crtc = 0;
+
+ /* Find either a crtc already connected to the desired output or idle */
+ for (int c = 0; active_crtc == 0 && c < gsr_r->num_crtcs; c++) {
+ xcb_randr_get_crtc_info_cookie_t gci_c =
+ xcb_randr_get_crtc_info(connection, rc[c], gsr_r->config_timestamp);
+ xcb_randr_get_crtc_info_reply_t *gci_r =
+ xcb_randr_get_crtc_info_reply(connection, gci_c, NULL);
+
+ if (gci_r) {
+ if (gci_r->mode) {
+ int num_outputs = xcb_randr_get_crtc_info_outputs_length(gci_r);
+ xcb_randr_output_t *outputs =
+ xcb_randr_get_crtc_info_outputs(gci_r);
+
+ if (num_outputs == 1 && outputs[0] == output)
+ active_crtc = rc[c];
+
+ } else if (idle_crtc == 0) {
+ int num_possible = xcb_randr_get_crtc_info_possible_length(gci_r);
+ xcb_randr_output_t *possible =
+ xcb_randr_get_crtc_info_possible(gci_r);
+
+ for (int p = 0; p < num_possible; p++)
+ if (possible[p] == output) {
+ idle_crtc = rc[c];
+ break;
+ }
+ }
+ free(gci_r);
+ }
+ }
+ free(gsr_r);
+
+ if (active_crtc)
+ return active_crtc;
+ return idle_crtc;
+}
+
+VkResult
+wsi_acquire_xlib_display(VkPhysicalDevice physical_device,
+ struct wsi_device *wsi_device,
+ Display *dpy,
+ VkDisplayKHR display)
+{
+ struct wsi_display *wsi =
+ (struct wsi_display *) wsi_device->wsi[VK_ICD_WSI_PLATFORM_DISPLAY];
+ xcb_connection_t *connection = XGetXCBConnection(dpy);
+ struct wsi_display_connector *connector =
+ wsi_display_connector_from_handle(display);
+ xcb_window_t root;
+
+ /* XXX no support for multiple leases yet */
+ if (wsi->fd >= 0)
+ return VK_ERROR_INITIALIZATION_FAILED;
+
+ if (!connector->output) {
+ connector->output = wsi_display_connector_id_to_output(connection,
+ connector->id);
+
+ /* Check and see if we found the output */
+ if (!connector->output)
+ return VK_ERROR_INITIALIZATION_FAILED;
+ }
+
+ root = wsi_display_output_to_root(connection, connector->output);
+ if (!root)
+ return VK_ERROR_INITIALIZATION_FAILED;
+
+ xcb_randr_crtc_t crtc = wsi_display_find_crtc_for_output(connection,
+ root,
+ connector->output);
+
+ if (!crtc)
+ return VK_ERROR_INITIALIZATION_FAILED;
+
+ xcb_randr_lease_t lease = xcb_generate_id(connection);
+ xcb_randr_create_lease_cookie_t cl_c =
+ xcb_randr_create_lease(connection, root, lease, 1, 1,
+ &crtc, &connector->output);
+ xcb_randr_create_lease_reply_t *cl_r =
+ xcb_randr_create_lease_reply(connection, cl_c, NULL);
+ if (!cl_r)
+ return VK_ERROR_INITIALIZATION_FAILED;
+
+ int fd = -1;
+ if (cl_r->nfd > 0) {
+ int *rcl_f = xcb_randr_create_lease_reply_fds(connection, cl_r);
+
+ fd = rcl_f[0];
+ }
+ free (cl_r);
+ if (fd < 0)
+ return VK_ERROR_INITIALIZATION_FAILED;
+
+ wsi->fd = fd;
+
+ return VK_SUCCESS;
+}
+
+VkResult
+wsi_get_randr_output_display(VkPhysicalDevice physical_device,
+ struct wsi_device *wsi_device,
+ Display *dpy,
+ RROutput output,
+ VkDisplayKHR *display)
+{
+ xcb_connection_t *connection = XGetXCBConnection(dpy);
+ struct wsi_display_connector *connector =
+ wsi_display_get_output(wsi_device, connection, (xcb_randr_output_t) output);
+
+ if (connector)
+ *display = wsi_display_connector_to_handle(connector);
+ else
+ *display = NULL;
return VK_SUCCESS;
}
+
+#endif
projects / mesa.git / commitdiff