mirror of
https://github.com/hyprwm/wlroots-hyprland.git
synced 2024-11-02 03:45:58 +01:00
1441 lines
39 KiB
C
1441 lines
39 KiB
C
#define _POSIX_C_SOURCE 200112L
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#include <assert.h>
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#include <drm_fourcc.h>
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#include <drm_mode.h>
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#include <EGL/egl.h>
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#include <EGL/eglext.h>
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#include <errno.h>
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#include <gbm.h>
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#include <GLES2/gl2.h>
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#include <GLES2/gl2ext.h>
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#include <inttypes.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <wayland-server.h>
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#include <wayland-util.h>
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#include <wlr/backend/interface.h>
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#include <wlr/interfaces/wlr_output.h>
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#include <wlr/render/gles2.h>
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#include <wlr/render/wlr_renderer.h>
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#include <wlr/types/wlr_matrix.h>
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#include <wlr/util/log.h>
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#include <xf86drm.h>
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#include <xf86drmMode.h>
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#include "backend/drm/drm.h"
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#include "backend/drm/iface.h"
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#include "backend/drm/util.h"
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#include "util/signal.h"
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bool check_drm_features(struct wlr_drm_backend *drm) {
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uint64_t cap;
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if (drm->parent) {
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if (drmGetCap(drm->fd, DRM_CAP_PRIME, &cap) ||
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!(cap & DRM_PRIME_CAP_IMPORT)) {
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wlr_log(WLR_ERROR,
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"PRIME import not supported on secondary GPU");
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return false;
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}
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if (drmGetCap(drm->parent->fd, DRM_CAP_PRIME, &cap) ||
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!(cap & DRM_PRIME_CAP_EXPORT)) {
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wlr_log(WLR_ERROR,
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"PRIME export not supported on primary GPU");
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return false;
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}
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}
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if (drmSetClientCap(drm->fd, DRM_CLIENT_CAP_UNIVERSAL_PLANES, 1)) {
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wlr_log(WLR_ERROR, "DRM universal planes unsupported");
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return false;
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}
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const char *no_atomic = getenv("WLR_DRM_NO_ATOMIC");
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if (no_atomic && strcmp(no_atomic, "1") == 0) {
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wlr_log(WLR_DEBUG,
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"WLR_DRM_NO_ATOMIC set, forcing legacy DRM interface");
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drm->iface = &legacy_iface;
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} else if (drmSetClientCap(drm->fd, DRM_CLIENT_CAP_ATOMIC, 1)) {
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wlr_log(WLR_DEBUG,
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"Atomic modesetting unsupported, using legacy DRM interface");
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drm->iface = &legacy_iface;
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} else {
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wlr_log(WLR_DEBUG, "Using atomic DRM interface");
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drm->iface = &atomic_iface;
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}
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int ret = drmGetCap(drm->fd, DRM_CAP_TIMESTAMP_MONOTONIC, &cap);
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drm->clock = (ret == 0 && cap == 1) ? CLOCK_MONOTONIC : CLOCK_REALTIME;
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return true;
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}
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static int cmp_plane(const void *arg1, const void *arg2) {
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const struct wlr_drm_plane *a = arg1;
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const struct wlr_drm_plane *b = arg2;
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return (int)a->type - (int)b->type;
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}
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static bool init_planes(struct wlr_drm_backend *drm) {
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drmModePlaneRes *plane_res = drmModeGetPlaneResources(drm->fd);
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if (!plane_res) {
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wlr_log_errno(WLR_ERROR, "Failed to get DRM plane resources");
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return false;
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}
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wlr_log(WLR_INFO, "Found %"PRIu32" DRM planes", plane_res->count_planes);
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if (plane_res->count_planes == 0) {
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drmModeFreePlaneResources(plane_res);
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return true;
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}
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drm->num_planes = plane_res->count_planes;
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drm->planes = calloc(drm->num_planes, sizeof(*drm->planes));
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if (!drm->planes) {
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wlr_log_errno(WLR_ERROR, "Allocation failed");
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goto error_res;
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}
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for (size_t i = 0; i < drm->num_planes; ++i) {
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struct wlr_drm_plane *p = &drm->planes[i];
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drmModePlane *plane = drmModeGetPlane(drm->fd, plane_res->planes[i]);
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if (!plane) {
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wlr_log_errno(WLR_ERROR, "Failed to get DRM plane");
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goto error_planes;
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}
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p->id = plane->plane_id;
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p->possible_crtcs = plane->possible_crtcs;
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uint64_t type;
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if (!get_drm_plane_props(drm->fd, p->id, &p->props) ||
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!get_drm_prop(drm->fd, p->id, p->props.type, &type)) {
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drmModeFreePlane(plane);
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goto error_planes;
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}
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p->type = type;
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drm->num_type_planes[type]++;
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// Choose an RGB format for the plane
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uint32_t rgb_format = DRM_FORMAT_INVALID;
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for (size_t j = 0; j < plane->count_formats; ++j) {
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uint32_t fmt = plane->formats[j];
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if (fmt == DRM_FORMAT_ARGB8888) {
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// Prefer formats with alpha channel
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rgb_format = fmt;
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break;
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} else if (fmt == DRM_FORMAT_XRGB8888) {
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rgb_format = fmt;
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}
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}
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if (rgb_format == DRM_FORMAT_INVALID) {
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wlr_log(WLR_ERROR, "Failed to find an RGB format for plane %zu", i);
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drmModeFreePlane(plane);
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goto error_planes;
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}
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p->drm_format = rgb_format;
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drmModeFreePlane(plane);
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}
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wlr_log(WLR_INFO, "(%zu overlay, %zu primary, %zu cursor)",
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drm->num_overlay_planes,
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drm->num_primary_planes,
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drm->num_cursor_planes);
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qsort(drm->planes, drm->num_planes, sizeof(*drm->planes), cmp_plane);
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drm->overlay_planes = drm->planes;
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drm->primary_planes = drm->overlay_planes
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+ drm->num_overlay_planes;
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drm->cursor_planes = drm->primary_planes
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+ drm->num_primary_planes;
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drmModeFreePlaneResources(plane_res);
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return true;
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error_planes:
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free(drm->planes);
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error_res:
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drmModeFreePlaneResources(plane_res);
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return false;
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}
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bool init_drm_resources(struct wlr_drm_backend *drm) {
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drmModeRes *res = drmModeGetResources(drm->fd);
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if (!res) {
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wlr_log_errno(WLR_ERROR, "Failed to get DRM resources");
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return false;
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}
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wlr_log(WLR_INFO, "Found %d DRM CRTCs", res->count_crtcs);
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drm->num_crtcs = res->count_crtcs;
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if (drm->num_crtcs == 0) {
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drmModeFreeResources(res);
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return true;
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}
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drm->crtcs = calloc(drm->num_crtcs, sizeof(drm->crtcs[0]));
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if (!drm->crtcs) {
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wlr_log_errno(WLR_ERROR, "Allocation failed");
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goto error_res;
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}
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for (size_t i = 0; i < drm->num_crtcs; ++i) {
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struct wlr_drm_crtc *crtc = &drm->crtcs[i];
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crtc->id = res->crtcs[i];
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crtc->legacy_crtc = drmModeGetCrtc(drm->fd, crtc->id);
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get_drm_crtc_props(drm->fd, crtc->id, &crtc->props);
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}
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if (!init_planes(drm)) {
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goto error_crtcs;
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}
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drmModeFreeResources(res);
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return true;
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error_crtcs:
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free(drm->crtcs);
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error_res:
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drmModeFreeResources(res);
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return false;
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}
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void finish_drm_resources(struct wlr_drm_backend *drm) {
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if (!drm) {
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return;
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}
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for (size_t i = 0; i < drm->num_crtcs; ++i) {
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struct wlr_drm_crtc *crtc = &drm->crtcs[i];
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drmModeAtomicFree(crtc->atomic);
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drmModeFreeCrtc(crtc->legacy_crtc);
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if (crtc->mode_id) {
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drmModeDestroyPropertyBlob(drm->fd, crtc->mode_id);
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}
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if (crtc->gamma_lut) {
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drmModeDestroyPropertyBlob(drm->fd, crtc->gamma_lut);
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}
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free(crtc->gamma_table);
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}
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free(drm->crtcs);
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free(drm->planes);
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}
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static struct wlr_drm_connector *get_drm_connector_from_output(
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struct wlr_output *wlr_output) {
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assert(wlr_output_is_drm(wlr_output));
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return (struct wlr_drm_connector *)wlr_output;
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}
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static bool drm_connector_make_current(struct wlr_output *output,
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int *buffer_age) {
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struct wlr_drm_connector *conn = get_drm_connector_from_output(output);
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return make_drm_surface_current(&conn->crtc->primary->surf, buffer_age);
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}
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static bool drm_connector_swap_buffers(struct wlr_output *output,
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pixman_region32_t *damage) {
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struct wlr_drm_connector *conn = get_drm_connector_from_output(output);
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struct wlr_drm_backend *drm = get_drm_backend_from_backend(output->backend);
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if (!drm->session->active) {
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return false;
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}
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struct wlr_drm_crtc *crtc = conn->crtc;
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if (!crtc) {
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return false;
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}
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struct wlr_drm_plane *plane = crtc->primary;
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struct gbm_bo *bo = swap_drm_surface_buffers(&plane->surf, damage);
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if (drm->parent) {
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bo = copy_drm_surface_mgpu(&plane->mgpu_surf, bo);
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}
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uint32_t fb_id = get_fb_for_bo(bo, plane->drm_format);
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if (conn->pageflip_pending) {
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wlr_log(WLR_ERROR, "Skipping pageflip on output '%s'", conn->output.name);
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return false;
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}
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if (!drm->iface->crtc_pageflip(drm, conn, crtc, fb_id, NULL)) {
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return false;
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}
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conn->pageflip_pending = true;
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wlr_output_update_enabled(output, true);
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return true;
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}
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static void fill_empty_gamma_table(size_t size,
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uint16_t *r, uint16_t *g, uint16_t *b) {
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for (uint32_t i = 0; i < size; ++i) {
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uint16_t val = (uint32_t)0xffff * i / (size - 1);
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r[i] = g[i] = b[i] = val;
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}
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}
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static size_t drm_connector_get_gamma_size(struct wlr_output *output) {
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struct wlr_drm_connector *conn = get_drm_connector_from_output(output);
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struct wlr_drm_backend *drm = get_drm_backend_from_backend(output->backend);
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if (conn->crtc) {
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return drm->iface->crtc_get_gamma_size(drm, conn->crtc);
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}
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return 0;
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}
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bool set_drm_connector_gamma(struct wlr_output *output, size_t size,
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const uint16_t *r, const uint16_t *g, const uint16_t *b) {
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struct wlr_drm_connector *conn = get_drm_connector_from_output(output);
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struct wlr_drm_backend *drm = get_drm_backend_from_backend(output->backend);
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if (!conn->crtc) {
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return false;
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}
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bool reset = false;
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if (size == 0) {
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reset = true;
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size = drm_connector_get_gamma_size(output);
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if (size == 0) {
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return false;
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}
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}
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uint16_t *gamma_table = malloc(3 * size * sizeof(uint16_t));
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if (gamma_table == NULL) {
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wlr_log(WLR_ERROR, "Failed to allocate gamma table");
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return false;
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}
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uint16_t *_r = gamma_table;
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uint16_t *_g = gamma_table + size;
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uint16_t *_b = gamma_table + 2 * size;
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if (reset) {
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fill_empty_gamma_table(size, _r, _g, _b);
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} else {
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memcpy(_r, r, size * sizeof(uint16_t));
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memcpy(_g, g, size * sizeof(uint16_t));
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memcpy(_b, b, size * sizeof(uint16_t));
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}
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bool ok = drm->iface->crtc_set_gamma(drm, conn->crtc, size, _r, _g, _b);
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if (ok) {
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wlr_output_update_needs_swap(output);
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free(conn->crtc->gamma_table);
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conn->crtc->gamma_table = gamma_table;
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conn->crtc->gamma_table_size = size;
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} else {
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free(gamma_table);
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}
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return ok;
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}
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static bool drm_connector_export_dmabuf(struct wlr_output *output,
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struct wlr_dmabuf_attributes *attribs) {
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struct wlr_drm_connector *conn = get_drm_connector_from_output(output);
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struct wlr_drm_backend *drm = get_drm_backend_from_backend(output->backend);
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if (!drm->session->active) {
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return false;
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}
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struct wlr_drm_crtc *crtc = conn->crtc;
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if (!crtc) {
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return false;
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}
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struct wlr_drm_plane *plane = crtc->primary;
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struct wlr_drm_surface *surf = &plane->surf;
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return export_drm_bo(surf->back, attribs);
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}
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static void drm_connector_start_renderer(struct wlr_drm_connector *conn) {
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if (conn->state != WLR_DRM_CONN_CONNECTED) {
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return;
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}
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wlr_log(WLR_DEBUG, "Starting renderer on output '%s'", conn->output.name);
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struct wlr_drm_backend *drm =
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get_drm_backend_from_backend(conn->output.backend);
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struct wlr_drm_crtc *crtc = conn->crtc;
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if (!crtc) {
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return;
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}
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struct wlr_drm_plane *plane = crtc->primary;
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struct gbm_bo *bo = get_drm_surface_front(
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drm->parent ? &plane->mgpu_surf : &plane->surf);
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uint32_t fb_id = get_fb_for_bo(bo, plane->drm_format);
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struct wlr_drm_mode *mode = (struct wlr_drm_mode *)conn->output.current_mode;
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if (drm->iface->crtc_pageflip(drm, conn, crtc, fb_id, &mode->drm_mode)) {
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conn->pageflip_pending = true;
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wlr_output_update_enabled(&conn->output, true);
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} else {
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wl_event_source_timer_update(conn->retry_pageflip,
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1000000.0f / conn->output.current_mode->refresh);
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}
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}
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static bool drm_connector_set_mode(struct wlr_output *output,
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struct wlr_output_mode *mode);
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static void realloc_crtcs(struct wlr_drm_backend *drm, bool *changed_outputs);
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static void attempt_enable_needs_modeset(struct wlr_drm_backend *drm) {
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// Try to modeset any output that has a desired mode and a CRTC (ie. was
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// lacking a CRTC on last modeset)
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struct wlr_drm_connector *conn;
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wl_list_for_each(conn, &drm->outputs, link) {
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if (conn->state == WLR_DRM_CONN_NEEDS_MODESET &&
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conn->crtc != NULL && conn->desired_mode != NULL &&
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conn->desired_enabled) {
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wlr_log(WLR_DEBUG, "Output %s has a desired mode and a CRTC, "
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"attempting a modeset", conn->output.name);
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drm_connector_set_mode(&conn->output, conn->desired_mode);
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}
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}
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}
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bool enable_drm_connector(struct wlr_output *output, bool enable) {
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struct wlr_drm_connector *conn = get_drm_connector_from_output(output);
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struct wlr_drm_backend *drm = get_drm_backend_from_backend(output->backend);
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if (conn->state != WLR_DRM_CONN_CONNECTED
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&& conn->state != WLR_DRM_CONN_NEEDS_MODESET) {
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return false;
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}
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conn->desired_enabled = enable;
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if (enable && conn->crtc == NULL) {
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// Maybe we can steal a CRTC from a disabled output
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realloc_crtcs(drm, NULL);
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}
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bool ok = drm->iface->conn_enable(drm, conn, enable);
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if (!ok) {
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return false;
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}
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if (enable) {
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drm_connector_start_renderer(conn);
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} else {
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realloc_crtcs(drm, NULL);
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attempt_enable_needs_modeset(drm);
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}
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wlr_output_update_enabled(&conn->output, enable);
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return true;
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}
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static ssize_t connector_index_from_crtc(struct wlr_drm_backend *drm,
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struct wlr_drm_crtc *crtc) {
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size_t i = 0;
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struct wlr_drm_connector *conn;
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wl_list_for_each(conn, &drm->outputs, link) {
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if (conn->crtc == crtc) {
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return i;
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}
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++i;
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}
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return -1;
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}
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static void realloc_planes(struct wlr_drm_backend *drm, const uint32_t *crtc_in,
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bool *changed_outputs) {
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wlr_log(WLR_DEBUG, "Reallocating planes");
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// overlay, primary, cursor
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for (size_t type = 0; type < 3; ++type) {
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if (drm->num_type_planes[type] == 0) {
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continue;
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}
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|
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uint32_t possible[drm->num_type_planes[type] + 1];
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uint32_t crtc[drm->num_crtcs + 1];
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uint32_t crtc_res[drm->num_crtcs + 1];
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for (size_t i = 0; i < drm->num_type_planes[type]; ++i) {
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possible[i] = drm->type_planes[type][i].possible_crtcs;
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}
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for (size_t i = 0; i < drm->num_crtcs; ++i) {
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if (crtc_in[i] == UNMATCHED) {
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crtc[i] = SKIP;
|
|
} else if (drm->crtcs[i].planes[type]) {
|
|
crtc[i] = drm->crtcs[i].planes[type]
|
|
- drm->type_planes[type];
|
|
} else {
|
|
crtc[i] = UNMATCHED;
|
|
}
|
|
}
|
|
|
|
match_obj(drm->num_type_planes[type], possible,
|
|
drm->num_crtcs, crtc, crtc_res);
|
|
|
|
for (size_t i = 0; i < drm->num_crtcs; ++i) {
|
|
if (crtc_res[i] == UNMATCHED || crtc_res[i] == SKIP) {
|
|
continue;
|
|
}
|
|
|
|
struct wlr_drm_crtc *c = &drm->crtcs[i];
|
|
struct wlr_drm_plane **old = &c->planes[type];
|
|
struct wlr_drm_plane *new = &drm->type_planes[type][crtc_res[i]];
|
|
|
|
if (*old != new) {
|
|
wlr_log(WLR_DEBUG,
|
|
"Assigning plane %d -> %d (type %zu) to CRTC %d",
|
|
*old ? (int)(*old)->id : -1,
|
|
new ? (int)new->id : -1,
|
|
type,
|
|
c->id);
|
|
|
|
ssize_t conn_idx = connector_index_from_crtc(drm, c);
|
|
if (conn_idx >= 0) {
|
|
changed_outputs[conn_idx] = true;
|
|
}
|
|
if (*old) {
|
|
finish_drm_surface(&(*old)->surf);
|
|
}
|
|
finish_drm_surface(&new->surf);
|
|
*old = new;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void drm_connector_cleanup(struct wlr_drm_connector *conn);
|
|
|
|
static bool drm_connector_set_mode(struct wlr_output *output,
|
|
struct wlr_output_mode *mode) {
|
|
struct wlr_drm_connector *conn = get_drm_connector_from_output(output);
|
|
struct wlr_drm_backend *drm = get_drm_backend_from_backend(output->backend);
|
|
if (conn->crtc == NULL) {
|
|
// Maybe we can steal a CRTC from a disabled output
|
|
realloc_crtcs(drm, NULL);
|
|
}
|
|
if (conn->crtc == NULL) {
|
|
wlr_log(WLR_ERROR, "Cannot modeset '%s': no CRTC for this connector",
|
|
conn->output.name);
|
|
// Save the desired mode for later, when we'll get a proper CRTC
|
|
conn->desired_mode = mode;
|
|
return false;
|
|
}
|
|
if (conn->output.current_mode == mode) {
|
|
// Nothing to do
|
|
return true;
|
|
}
|
|
|
|
wlr_log(WLR_INFO, "Modesetting '%s' with '%ux%u@%u mHz'",
|
|
conn->output.name, mode->width, mode->height, mode->refresh);
|
|
|
|
if (!init_drm_plane_surfaces(conn->crtc->primary, drm,
|
|
mode->width, mode->height, drm->renderer.gbm_format)) {
|
|
wlr_log(WLR_ERROR, "Failed to initialize renderer for plane");
|
|
return false;
|
|
}
|
|
|
|
conn->state = WLR_DRM_CONN_CONNECTED;
|
|
conn->desired_mode = NULL;
|
|
wlr_output_update_mode(&conn->output, mode);
|
|
wlr_output_update_enabled(&conn->output, true);
|
|
conn->desired_enabled = true;
|
|
|
|
drm_connector_start_renderer(conn);
|
|
|
|
// When switching VTs, the mode is not updated but the buffers become
|
|
// invalid, so we need to manually damage the output here
|
|
wlr_output_damage_whole(&conn->output);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool wlr_drm_connector_add_mode(struct wlr_output *output,
|
|
const drmModeModeInfo *modeinfo) {
|
|
struct wlr_drm_connector *conn = get_drm_connector_from_output(output);
|
|
|
|
if (modeinfo->type != DRM_MODE_TYPE_USERDEF) {
|
|
return false;
|
|
}
|
|
|
|
struct wlr_output_mode *wlr_mode;
|
|
wl_list_for_each(wlr_mode, &conn->output.modes, link) {
|
|
struct wlr_drm_mode *mode = (struct wlr_drm_mode *)wlr_mode;
|
|
if (memcmp(&mode->drm_mode, modeinfo, sizeof(*modeinfo)) == 0) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
struct wlr_drm_mode *mode = calloc(1, sizeof(*mode));
|
|
if (!mode) {
|
|
return false;
|
|
}
|
|
memcpy(&mode->drm_mode, modeinfo, sizeof(*modeinfo));
|
|
|
|
mode->wlr_mode.width = mode->drm_mode.hdisplay;
|
|
mode->wlr_mode.height = mode->drm_mode.vdisplay;
|
|
mode->wlr_mode.refresh = calculate_refresh_rate(modeinfo);
|
|
|
|
wlr_log(WLR_INFO, "Registered custom mode "
|
|
"%"PRId32"x%"PRId32"@%"PRId32,
|
|
mode->wlr_mode.width, mode->wlr_mode.height,
|
|
mode->wlr_mode.refresh);
|
|
wl_list_insert(&conn->output.modes, &mode->wlr_mode.link);
|
|
return true;
|
|
}
|
|
|
|
static void drm_connector_transform(struct wlr_output *output,
|
|
enum wl_output_transform transform) {
|
|
output->transform = transform;
|
|
}
|
|
|
|
static bool drm_connector_set_cursor(struct wlr_output *output,
|
|
struct wlr_texture *texture, int32_t scale,
|
|
enum wl_output_transform transform,
|
|
int32_t hotspot_x, int32_t hotspot_y, bool update_texture) {
|
|
struct wlr_drm_connector *conn = get_drm_connector_from_output(output);
|
|
struct wlr_drm_backend *drm = get_drm_backend_from_backend(output->backend);
|
|
|
|
struct wlr_drm_crtc *crtc = conn->crtc;
|
|
if (!crtc) {
|
|
return false;
|
|
}
|
|
|
|
struct wlr_drm_plane *plane = crtc->cursor;
|
|
if (!plane) {
|
|
// We don't have a real cursor plane, so we make a fake one
|
|
plane = calloc(1, sizeof(*plane));
|
|
if (!plane) {
|
|
wlr_log_errno(WLR_ERROR, "Allocation failed");
|
|
return false;
|
|
}
|
|
crtc->cursor = plane;
|
|
}
|
|
|
|
if (!plane->surf.gbm) {
|
|
int ret;
|
|
uint64_t w, h;
|
|
ret = drmGetCap(drm->fd, DRM_CAP_CURSOR_WIDTH, &w);
|
|
w = ret ? 64 : w;
|
|
ret = drmGetCap(drm->fd, DRM_CAP_CURSOR_HEIGHT, &h);
|
|
h = ret ? 64 : h;
|
|
|
|
|
|
if (!drm->parent) {
|
|
if (!init_drm_surface(&plane->surf, &drm->renderer, w, h,
|
|
drm->renderer.gbm_format, GBM_BO_USE_LINEAR | GBM_BO_USE_SCANOUT)) {
|
|
wlr_log(WLR_ERROR, "Cannot allocate cursor resources");
|
|
return false;
|
|
}
|
|
} else {
|
|
if (!init_drm_surface(&plane->surf, &drm->parent->renderer, w, h,
|
|
drm->parent->renderer.gbm_format, GBM_BO_USE_LINEAR)) {
|
|
wlr_log(WLR_ERROR, "Cannot allocate cursor resources");
|
|
return false;
|
|
}
|
|
|
|
if (!init_drm_surface(&plane->mgpu_surf, &drm->renderer, w, h,
|
|
drm->renderer.gbm_format, GBM_BO_USE_LINEAR | GBM_BO_USE_SCANOUT)) {
|
|
wlr_log(WLR_ERROR, "Cannot allocate cursor resources");
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
|
|
wlr_matrix_projection(plane->matrix, plane->surf.width,
|
|
plane->surf.height, output->transform);
|
|
|
|
struct wlr_box hotspot = { .x = hotspot_x, .y = hotspot_y };
|
|
wlr_box_transform(&hotspot, &hotspot,
|
|
wlr_output_transform_invert(output->transform),
|
|
plane->surf.width, plane->surf.height);
|
|
|
|
if (plane->cursor_hotspot_x != hotspot.x ||
|
|
plane->cursor_hotspot_y != hotspot.y) {
|
|
// Update cursor hotspot
|
|
conn->cursor_x -= hotspot.x - plane->cursor_hotspot_x;
|
|
conn->cursor_y -= hotspot.y - plane->cursor_hotspot_y;
|
|
plane->cursor_hotspot_x = hotspot.x;
|
|
plane->cursor_hotspot_y = hotspot.y;
|
|
|
|
if (!drm->iface->crtc_move_cursor(drm, conn->crtc, conn->cursor_x,
|
|
conn->cursor_y)) {
|
|
return false;
|
|
}
|
|
|
|
wlr_output_update_needs_swap(output);
|
|
}
|
|
|
|
if (!update_texture) {
|
|
// Don't update cursor image
|
|
return true;
|
|
}
|
|
|
|
plane->cursor_enabled = false;
|
|
if (texture != NULL) {
|
|
int width, height;
|
|
wlr_texture_get_size(texture, &width, &height);
|
|
width = width * output->scale / scale;
|
|
height = height * output->scale / scale;
|
|
|
|
if (width > (int)plane->surf.width || height > (int)plane->surf.height) {
|
|
wlr_log(WLR_ERROR, "Cursor too large (max %dx%d)",
|
|
(int)plane->surf.width, (int)plane->surf.height);
|
|
return false;
|
|
}
|
|
|
|
make_drm_surface_current(&plane->surf, NULL);
|
|
|
|
struct wlr_renderer *rend = plane->surf.renderer->wlr_rend;
|
|
|
|
struct wlr_box cursor_box = { .width = width, .height = height };
|
|
|
|
float matrix[9];
|
|
wlr_matrix_project_box(matrix, &cursor_box, transform, 0, plane->matrix);
|
|
|
|
wlr_renderer_begin(rend, plane->surf.width, plane->surf.height);
|
|
wlr_renderer_clear(rend, (float[]){ 0.0, 0.0, 0.0, 0.0 });
|
|
wlr_render_texture_with_matrix(rend, texture, matrix, 1.0);
|
|
wlr_renderer_end(rend);
|
|
|
|
swap_drm_surface_buffers(&plane->surf, NULL);
|
|
|
|
plane->cursor_enabled = true;
|
|
}
|
|
|
|
if (!drm->session->active) {
|
|
return true; // will be committed when session is resumed
|
|
}
|
|
|
|
struct gbm_bo *bo = plane->cursor_enabled ? plane->surf.back : NULL;
|
|
|
|
if (drm->parent) {
|
|
bo = copy_drm_surface_mgpu(&plane->mgpu_surf, plane->surf.back);
|
|
}
|
|
|
|
bool ok = drm->iface->crtc_set_cursor(drm, crtc, bo);
|
|
if (ok) {
|
|
wlr_output_update_needs_swap(output);
|
|
}
|
|
return ok;
|
|
}
|
|
|
|
static bool drm_connector_move_cursor(struct wlr_output *output,
|
|
int x, int y) {
|
|
struct wlr_drm_connector *conn = get_drm_connector_from_output(output);
|
|
struct wlr_drm_backend *drm = get_drm_backend_from_backend(output->backend);
|
|
if (!conn->crtc) {
|
|
return false;
|
|
}
|
|
struct wlr_drm_plane *plane = conn->crtc->cursor;
|
|
|
|
struct wlr_box box = { .x = x, .y = y };
|
|
|
|
int width, height;
|
|
wlr_output_transformed_resolution(output, &width, &height);
|
|
|
|
enum wl_output_transform transform =
|
|
wlr_output_transform_invert(output->transform);
|
|
wlr_box_transform(&box, &box, transform, width, height);
|
|
|
|
if (plane != NULL) {
|
|
box.x -= plane->cursor_hotspot_x;
|
|
box.y -= plane->cursor_hotspot_y;
|
|
}
|
|
|
|
conn->cursor_x = box.x;
|
|
conn->cursor_y = box.y;
|
|
|
|
if (!drm->session->active) {
|
|
return true; // will be committed when session is resumed
|
|
}
|
|
|
|
bool ok = drm->iface->crtc_move_cursor(drm, conn->crtc, box.x, box.y);
|
|
if (ok) {
|
|
wlr_output_update_needs_swap(output);
|
|
}
|
|
return ok;
|
|
}
|
|
|
|
static bool drm_connector_schedule_frame(struct wlr_output *output) {
|
|
struct wlr_drm_connector *conn = get_drm_connector_from_output(output);
|
|
struct wlr_drm_backend *drm = get_drm_backend_from_backend(output->backend);
|
|
if (!drm->session->active) {
|
|
return false;
|
|
}
|
|
|
|
// We need to figure out where we are in the vblank cycle
|
|
// TODO: try using drmWaitVBlank and fallback to pageflipping
|
|
|
|
struct wlr_drm_crtc *crtc = conn->crtc;
|
|
if (!crtc) {
|
|
return false;
|
|
}
|
|
struct wlr_drm_plane *plane = crtc->primary;
|
|
struct gbm_bo *bo = plane->surf.back;
|
|
if (!bo) {
|
|
// We haven't swapped buffers yet -- can't do a pageflip
|
|
wlr_output_send_frame(output);
|
|
return true;
|
|
}
|
|
if (drm->parent) {
|
|
bo = copy_drm_surface_mgpu(&plane->mgpu_surf, bo);
|
|
}
|
|
|
|
if (conn->pageflip_pending) {
|
|
wlr_log(WLR_ERROR, "Skipping pageflip on output '%s'",
|
|
conn->output.name);
|
|
return true;
|
|
}
|
|
|
|
uint32_t fb_id = get_fb_for_bo(bo, plane->drm_format);
|
|
if (!drm->iface->crtc_pageflip(drm, conn, crtc, fb_id, NULL)) {
|
|
return false;
|
|
}
|
|
|
|
conn->pageflip_pending = true;
|
|
wlr_output_update_enabled(output, true);
|
|
return true;
|
|
}
|
|
|
|
static void drm_connector_destroy(struct wlr_output *output) {
|
|
struct wlr_drm_connector *conn = get_drm_connector_from_output(output);
|
|
drm_connector_cleanup(conn);
|
|
drmModeFreeCrtc(conn->old_crtc);
|
|
wl_event_source_remove(conn->retry_pageflip);
|
|
wl_list_remove(&conn->link);
|
|
free(conn);
|
|
}
|
|
|
|
static const struct wlr_output_impl output_impl = {
|
|
.enable = enable_drm_connector,
|
|
.set_mode = drm_connector_set_mode,
|
|
.transform = drm_connector_transform,
|
|
.set_cursor = drm_connector_set_cursor,
|
|
.move_cursor = drm_connector_move_cursor,
|
|
.destroy = drm_connector_destroy,
|
|
.make_current = drm_connector_make_current,
|
|
.swap_buffers = drm_connector_swap_buffers,
|
|
.set_gamma = set_drm_connector_gamma,
|
|
.get_gamma_size = drm_connector_get_gamma_size,
|
|
.export_dmabuf = drm_connector_export_dmabuf,
|
|
.schedule_frame = drm_connector_schedule_frame,
|
|
};
|
|
|
|
bool wlr_output_is_drm(struct wlr_output *output) {
|
|
return output->impl == &output_impl;
|
|
}
|
|
|
|
static int retry_pageflip(void *data) {
|
|
struct wlr_drm_connector *conn = data;
|
|
wlr_log(WLR_INFO, "%s: Retrying pageflip", conn->output.name);
|
|
drm_connector_start_renderer(conn);
|
|
return 0;
|
|
}
|
|
|
|
static const int32_t subpixel_map[] = {
|
|
[DRM_MODE_SUBPIXEL_UNKNOWN] = WL_OUTPUT_SUBPIXEL_UNKNOWN,
|
|
[DRM_MODE_SUBPIXEL_HORIZONTAL_RGB] = WL_OUTPUT_SUBPIXEL_HORIZONTAL_RGB,
|
|
[DRM_MODE_SUBPIXEL_HORIZONTAL_BGR] = WL_OUTPUT_SUBPIXEL_HORIZONTAL_BGR,
|
|
[DRM_MODE_SUBPIXEL_VERTICAL_RGB] = WL_OUTPUT_SUBPIXEL_VERTICAL_RGB,
|
|
[DRM_MODE_SUBPIXEL_VERTICAL_BGR] = WL_OUTPUT_SUBPIXEL_VERTICAL_BGR,
|
|
[DRM_MODE_SUBPIXEL_NONE] = WL_OUTPUT_SUBPIXEL_NONE,
|
|
};
|
|
|
|
static void dealloc_crtc(struct wlr_drm_connector *conn) {
|
|
struct wlr_drm_backend *drm =
|
|
get_drm_backend_from_backend(conn->output.backend);
|
|
if (conn->crtc == NULL) {
|
|
return;
|
|
}
|
|
|
|
wlr_log(WLR_DEBUG, "De-allocating CRTC %zu for output '%s'",
|
|
conn->crtc - drm->crtcs, conn->output.name);
|
|
|
|
set_drm_connector_gamma(&conn->output, 0, NULL, NULL, NULL);
|
|
|
|
for (size_t type = 0; type < 3; ++type) {
|
|
struct wlr_drm_plane *plane = conn->crtc->planes[type];
|
|
if (plane == NULL) {
|
|
continue;
|
|
}
|
|
|
|
finish_drm_surface(&plane->surf);
|
|
conn->crtc->planes[type] = NULL;
|
|
}
|
|
|
|
drm->iface->conn_enable(drm, conn, false);
|
|
|
|
conn->crtc = NULL;
|
|
}
|
|
|
|
static void realloc_crtcs(struct wlr_drm_backend *drm, bool *changed_outputs) {
|
|
size_t num_outputs = wl_list_length(&drm->outputs);
|
|
|
|
if (changed_outputs == NULL) {
|
|
changed_outputs = calloc(num_outputs, sizeof(bool));
|
|
if (changed_outputs == NULL) {
|
|
wlr_log(WLR_ERROR, "Allocation failed");
|
|
return;
|
|
}
|
|
}
|
|
|
|
wlr_log(WLR_DEBUG, "Reallocating CRTCs");
|
|
|
|
uint32_t crtc[drm->num_crtcs + 1];
|
|
for (size_t i = 0; i < drm->num_crtcs; ++i) {
|
|
crtc[i] = UNMATCHED;
|
|
}
|
|
|
|
struct wlr_drm_connector *connectors[num_outputs + 1];
|
|
|
|
uint32_t possible_crtc[num_outputs + 1];
|
|
memset(possible_crtc, 0, sizeof(possible_crtc));
|
|
|
|
wlr_log(WLR_DEBUG, "State before reallocation:");
|
|
ssize_t i = -1;
|
|
struct wlr_drm_connector *conn;
|
|
wl_list_for_each(conn, &drm->outputs, link) {
|
|
i++;
|
|
connectors[i] = conn;
|
|
|
|
wlr_log(WLR_DEBUG, " '%s' crtc=%d state=%d desired_enabled=%d",
|
|
conn->output.name,
|
|
conn->crtc ? (int)(conn->crtc - drm->crtcs) : -1,
|
|
conn->state, conn->desired_enabled);
|
|
|
|
if (conn->crtc) {
|
|
crtc[conn->crtc - drm->crtcs] = i;
|
|
}
|
|
|
|
// Only search CRTCs for user-enabled outputs (that are already
|
|
// connected or in need of a modeset)
|
|
if ((conn->state == WLR_DRM_CONN_CONNECTED ||
|
|
conn->state == WLR_DRM_CONN_NEEDS_MODESET) &&
|
|
conn->desired_enabled) {
|
|
possible_crtc[i] = conn->possible_crtc;
|
|
}
|
|
}
|
|
|
|
uint32_t crtc_res[drm->num_crtcs + 1];
|
|
match_obj(wl_list_length(&drm->outputs), possible_crtc,
|
|
drm->num_crtcs, crtc, crtc_res);
|
|
|
|
bool matched[num_outputs + 1];
|
|
memset(matched, false, sizeof(matched));
|
|
for (size_t i = 0; i < drm->num_crtcs; ++i) {
|
|
if (crtc_res[i] != UNMATCHED) {
|
|
matched[crtc_res[i]] = true;
|
|
}
|
|
}
|
|
|
|
for (size_t i = 0; i < drm->num_crtcs; ++i) {
|
|
// We don't want any of the current monitors to be deactivated
|
|
if (crtc[i] != UNMATCHED && !matched[crtc[i]] &&
|
|
connectors[crtc[i]]->desired_enabled) {
|
|
wlr_log(WLR_DEBUG, "Could not match a CRTC for connected output %d",
|
|
crtc[i]);
|
|
return;
|
|
}
|
|
}
|
|
|
|
for (size_t i = 0; i < drm->num_crtcs; ++i) {
|
|
if (crtc_res[i] == crtc[i]) {
|
|
continue;
|
|
}
|
|
|
|
// De-allocate this CRTC on previous output
|
|
if (crtc[i] != UNMATCHED) {
|
|
changed_outputs[crtc[i]] = true;
|
|
dealloc_crtc(connectors[crtc[i]]);
|
|
}
|
|
|
|
// Assign this CRTC to next output
|
|
if (crtc_res[i] != UNMATCHED) {
|
|
changed_outputs[crtc_res[i]] = true;
|
|
|
|
struct wlr_drm_connector *conn = connectors[crtc_res[i]];
|
|
dealloc_crtc(conn);
|
|
conn->crtc = &drm->crtcs[i];
|
|
|
|
wlr_log(WLR_DEBUG, "Assigning CRTC %zu to output %d -> %d '%s'",
|
|
i, crtc[i], crtc_res[i], conn->output.name);
|
|
}
|
|
}
|
|
|
|
wlr_log(WLR_DEBUG, "State after reallocation:");
|
|
wl_list_for_each(conn, &drm->outputs, link) {
|
|
wlr_log(WLR_DEBUG, " '%s' crtc=%d state=%d desired_enabled=%d",
|
|
conn->output.name,
|
|
conn->crtc ? (int)(conn->crtc - drm->crtcs) : -1,
|
|
conn->state, conn->desired_enabled);
|
|
}
|
|
|
|
realloc_planes(drm, crtc_res, changed_outputs);
|
|
|
|
// We need to reinitialize any plane that has changed
|
|
i = -1;
|
|
wl_list_for_each(conn, &drm->outputs, link) {
|
|
i++;
|
|
struct wlr_output_mode *mode = conn->output.current_mode;
|
|
|
|
if (conn->state != WLR_DRM_CONN_CONNECTED || !changed_outputs[i]) {
|
|
continue;
|
|
}
|
|
|
|
if (conn->crtc == NULL) {
|
|
wlr_log(WLR_DEBUG, "Output has %s lost its CRTC",
|
|
conn->output.name);
|
|
conn->state = WLR_DRM_CONN_NEEDS_MODESET;
|
|
wlr_output_update_enabled(&conn->output, false);
|
|
conn->desired_mode = conn->output.current_mode;
|
|
wlr_output_update_mode(&conn->output, NULL);
|
|
continue;
|
|
}
|
|
|
|
if (!init_drm_plane_surfaces(conn->crtc->primary, drm,
|
|
mode->width, mode->height, drm->renderer.gbm_format)) {
|
|
wlr_log(WLR_ERROR, "Failed to initialize renderer for plane");
|
|
drm_connector_cleanup(conn);
|
|
break;
|
|
}
|
|
|
|
drm_connector_start_renderer(conn);
|
|
|
|
wlr_output_damage_whole(&conn->output);
|
|
}
|
|
}
|
|
|
|
static uint32_t get_possible_crtcs(int fd, drmModeRes *res,
|
|
drmModeConnector *conn, bool is_mst) {
|
|
uint32_t ret = 0;
|
|
|
|
for (int i = 0; i < conn->count_encoders; ++i) {
|
|
drmModeEncoder *enc = drmModeGetEncoder(fd, conn->encoders[i]);
|
|
if (!enc) {
|
|
continue;
|
|
}
|
|
|
|
ret |= enc->possible_crtcs;
|
|
|
|
drmModeFreeEncoder(enc);
|
|
}
|
|
|
|
// Sometimes DP MST connectors report no encoders, so we'll loop though
|
|
// all of the encoders of the MST type instead.
|
|
// TODO: See if there is a better solution.
|
|
|
|
if (!is_mst || ret) {
|
|
return ret;
|
|
}
|
|
|
|
for (int i = 0; i < res->count_encoders; ++i) {
|
|
drmModeEncoder *enc = drmModeGetEncoder(fd, res->encoders[i]);
|
|
if (!enc) {
|
|
continue;
|
|
}
|
|
|
|
if (enc->encoder_type == DRM_MODE_ENCODER_DPMST) {
|
|
ret |= enc->possible_crtcs;
|
|
}
|
|
|
|
drmModeFreeEncoder(enc);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
void scan_drm_connectors(struct wlr_drm_backend *drm) {
|
|
wlr_log(WLR_INFO, "Scanning DRM connectors");
|
|
|
|
drmModeRes *res = drmModeGetResources(drm->fd);
|
|
if (!res) {
|
|
wlr_log_errno(WLR_ERROR, "Failed to get DRM resources");
|
|
return;
|
|
}
|
|
|
|
size_t seen_len = wl_list_length(&drm->outputs);
|
|
// +1 so length can never be 0, which is undefined behaviour.
|
|
// Last element isn't used.
|
|
bool seen[seen_len + 1];
|
|
memset(seen, false, sizeof(seen));
|
|
size_t new_outputs_len = 0;
|
|
struct wlr_drm_connector *new_outputs[res->count_connectors + 1];
|
|
|
|
for (int i = 0; i < res->count_connectors; ++i) {
|
|
drmModeConnector *drm_conn = drmModeGetConnector(drm->fd,
|
|
res->connectors[i]);
|
|
if (!drm_conn) {
|
|
wlr_log_errno(WLR_ERROR, "Failed to get DRM connector");
|
|
continue;
|
|
}
|
|
drmModeEncoder *curr_enc = drmModeGetEncoder(drm->fd,
|
|
drm_conn->encoder_id);
|
|
|
|
ssize_t index = -1;
|
|
struct wlr_drm_connector *c, *wlr_conn = NULL;
|
|
wl_list_for_each(c, &drm->outputs, link) {
|
|
index++;
|
|
if (c->id == drm_conn->connector_id) {
|
|
wlr_conn = c;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!wlr_conn) {
|
|
wlr_conn = calloc(1, sizeof(*wlr_conn));
|
|
if (!wlr_conn) {
|
|
wlr_log_errno(WLR_ERROR, "Allocation failed");
|
|
drmModeFreeEncoder(curr_enc);
|
|
drmModeFreeConnector(drm_conn);
|
|
continue;
|
|
}
|
|
wlr_output_init(&wlr_conn->output, &drm->backend, &output_impl,
|
|
drm->display);
|
|
|
|
struct wl_event_loop *ev = wl_display_get_event_loop(drm->display);
|
|
wlr_conn->retry_pageflip = wl_event_loop_add_timer(ev, retry_pageflip,
|
|
wlr_conn);
|
|
|
|
wlr_conn->state = WLR_DRM_CONN_DISCONNECTED;
|
|
wlr_conn->id = drm_conn->connector_id;
|
|
|
|
snprintf(wlr_conn->output.name, sizeof(wlr_conn->output.name),
|
|
"%s-%"PRIu32, conn_get_name(drm_conn->connector_type),
|
|
drm_conn->connector_type_id);
|
|
|
|
if (curr_enc) {
|
|
wlr_conn->old_crtc = drmModeGetCrtc(drm->fd, curr_enc->crtc_id);
|
|
}
|
|
|
|
wl_list_insert(drm->outputs.prev, &wlr_conn->link);
|
|
wlr_log(WLR_INFO, "Found connector '%s'", wlr_conn->output.name);
|
|
} else {
|
|
seen[index] = true;
|
|
}
|
|
|
|
if (curr_enc) {
|
|
for (size_t i = 0; i < drm->num_crtcs; ++i) {
|
|
if (drm->crtcs[i].id == curr_enc->crtc_id) {
|
|
wlr_conn->crtc = &drm->crtcs[i];
|
|
break;
|
|
}
|
|
}
|
|
} else {
|
|
wlr_conn->crtc = NULL;
|
|
}
|
|
|
|
// This can only happen *after* hotplug, since we haven't read the
|
|
// connector properties yet
|
|
if (wlr_conn->props.link_status != 0) {
|
|
uint64_t link_status;
|
|
if (!get_drm_prop(drm->fd, wlr_conn->id,
|
|
wlr_conn->props.link_status, &link_status)) {
|
|
wlr_log(WLR_ERROR, "Failed to get link status for '%s'",
|
|
wlr_conn->output.name);
|
|
continue;
|
|
}
|
|
|
|
if (link_status == DRM_MODE_LINK_STATUS_BAD) {
|
|
// We need to reload our list of modes and force a modeset
|
|
wlr_log(WLR_INFO, "Bad link for '%s'", wlr_conn->output.name);
|
|
drm_connector_cleanup(wlr_conn);
|
|
}
|
|
}
|
|
|
|
if (wlr_conn->state == WLR_DRM_CONN_DISCONNECTED &&
|
|
drm_conn->connection == DRM_MODE_CONNECTED) {
|
|
wlr_log(WLR_INFO, "'%s' connected", wlr_conn->output.name);
|
|
wlr_log(WLR_DEBUG, "Current CRTC: %d",
|
|
wlr_conn->crtc ? (int)wlr_conn->crtc->id : -1);
|
|
|
|
wlr_conn->output.phys_width = drm_conn->mmWidth;
|
|
wlr_conn->output.phys_height = drm_conn->mmHeight;
|
|
wlr_log(WLR_INFO, "Physical size: %"PRId32"x%"PRId32,
|
|
wlr_conn->output.phys_width, wlr_conn->output.phys_height);
|
|
wlr_conn->output.subpixel = subpixel_map[drm_conn->subpixel];
|
|
|
|
get_drm_connector_props(drm->fd, wlr_conn->id, &wlr_conn->props);
|
|
|
|
size_t edid_len = 0;
|
|
uint8_t *edid = get_drm_prop_blob(drm->fd,
|
|
wlr_conn->id, wlr_conn->props.edid, &edid_len);
|
|
parse_edid(&wlr_conn->output, edid_len, edid);
|
|
free(edid);
|
|
|
|
wlr_log(WLR_INFO, "Detected modes:");
|
|
|
|
for (int i = 0; i < drm_conn->count_modes; ++i) {
|
|
struct wlr_drm_mode *mode = calloc(1, sizeof(*mode));
|
|
if (!mode) {
|
|
wlr_log_errno(WLR_ERROR, "Allocation failed");
|
|
continue;
|
|
}
|
|
|
|
if (drm_conn->modes[i].flags & DRM_MODE_FLAG_INTERLACE) {
|
|
free(mode);
|
|
continue;
|
|
}
|
|
|
|
mode->drm_mode = drm_conn->modes[i];
|
|
mode->wlr_mode.width = mode->drm_mode.hdisplay;
|
|
mode->wlr_mode.height = mode->drm_mode.vdisplay;
|
|
mode->wlr_mode.refresh = calculate_refresh_rate(&mode->drm_mode);
|
|
|
|
wlr_log(WLR_INFO, " %"PRId32"x%"PRId32"@%"PRId32,
|
|
mode->wlr_mode.width, mode->wlr_mode.height,
|
|
mode->wlr_mode.refresh);
|
|
|
|
wl_list_insert(&wlr_conn->output.modes, &mode->wlr_mode.link);
|
|
}
|
|
|
|
wlr_conn->possible_crtc = get_possible_crtcs(drm->fd, res, drm_conn,
|
|
wlr_conn->props.path != 0);
|
|
if (wlr_conn->possible_crtc == 0) {
|
|
wlr_log(WLR_ERROR, "No CRTC possible for connector '%s'",
|
|
wlr_conn->output.name);
|
|
}
|
|
|
|
wlr_output_update_enabled(&wlr_conn->output, wlr_conn->crtc != NULL);
|
|
wlr_conn->desired_enabled = true;
|
|
|
|
wlr_conn->state = WLR_DRM_CONN_NEEDS_MODESET;
|
|
new_outputs[new_outputs_len++] = wlr_conn;
|
|
} else if ((wlr_conn->state == WLR_DRM_CONN_CONNECTED ||
|
|
wlr_conn->state == WLR_DRM_CONN_NEEDS_MODESET) &&
|
|
drm_conn->connection != DRM_MODE_CONNECTED) {
|
|
wlr_log(WLR_INFO, "'%s' disconnected", wlr_conn->output.name);
|
|
|
|
drm_connector_cleanup(wlr_conn);
|
|
}
|
|
|
|
drmModeFreeEncoder(curr_enc);
|
|
drmModeFreeConnector(drm_conn);
|
|
}
|
|
|
|
drmModeFreeResources(res);
|
|
|
|
// Iterate in reverse order because we'll remove items from the list and
|
|
// still want indices to remain correct.
|
|
struct wlr_drm_connector *conn, *tmp_conn;
|
|
size_t index = wl_list_length(&drm->outputs);
|
|
wl_list_for_each_reverse_safe(conn, tmp_conn, &drm->outputs, link) {
|
|
index--;
|
|
if (index >= seen_len || seen[index]) {
|
|
continue;
|
|
}
|
|
|
|
wlr_log(WLR_INFO, "'%s' disappeared", conn->output.name);
|
|
drm_connector_cleanup(conn);
|
|
|
|
if (conn->pageflip_pending) {
|
|
conn->state = WLR_DRM_CONN_DISAPPEARED;
|
|
} else {
|
|
wlr_output_destroy(&conn->output);
|
|
}
|
|
}
|
|
|
|
bool changed_outputs[wl_list_length(&drm->outputs) + 1];
|
|
memset(changed_outputs, false, sizeof(changed_outputs));
|
|
for (size_t i = 0; i < new_outputs_len; ++i) {
|
|
struct wlr_drm_connector *conn = new_outputs[i];
|
|
|
|
ssize_t pos = -1;
|
|
struct wlr_drm_connector *c;
|
|
wl_list_for_each(c, &drm->outputs, link) {
|
|
++pos;
|
|
if (c == conn) {
|
|
break;
|
|
}
|
|
}
|
|
assert(pos >= 0);
|
|
|
|
changed_outputs[pos] = true;
|
|
}
|
|
|
|
realloc_crtcs(drm, changed_outputs);
|
|
|
|
for (size_t i = 0; i < new_outputs_len; ++i) {
|
|
struct wlr_drm_connector *conn = new_outputs[i];
|
|
|
|
wlr_log(WLR_INFO, "Requesting modeset for '%s'",
|
|
conn->output.name);
|
|
wlr_signal_emit_safe(&drm->backend.events.new_output,
|
|
&conn->output);
|
|
}
|
|
|
|
attempt_enable_needs_modeset(drm);
|
|
}
|
|
|
|
static int mhz_to_nsec(int mhz) {
|
|
return 1000000000000LL / mhz;
|
|
}
|
|
|
|
static void page_flip_handler(int fd, unsigned seq,
|
|
unsigned tv_sec, unsigned tv_usec, void *data) {
|
|
struct wlr_drm_connector *conn = data;
|
|
struct wlr_drm_backend *drm =
|
|
get_drm_backend_from_backend(conn->output.backend);
|
|
|
|
conn->pageflip_pending = false;
|
|
|
|
if (conn->state == WLR_DRM_CONN_DISAPPEARED) {
|
|
wlr_output_destroy(&conn->output);
|
|
return;
|
|
}
|
|
|
|
if (conn->state != WLR_DRM_CONN_CONNECTED || conn->crtc == NULL) {
|
|
return;
|
|
}
|
|
|
|
post_drm_surface(&conn->crtc->primary->surf);
|
|
if (drm->parent) {
|
|
post_drm_surface(&conn->crtc->primary->mgpu_surf);
|
|
}
|
|
|
|
struct timespec present_time = {
|
|
.tv_sec = tv_sec,
|
|
.tv_nsec = tv_usec * 1000,
|
|
};
|
|
struct wlr_output_event_present present_event = {
|
|
.when = &present_time,
|
|
.seq = seq,
|
|
.refresh = mhz_to_nsec(conn->output.refresh),
|
|
.flags = WLR_OUTPUT_PRESENT_VSYNC | WLR_OUTPUT_PRESENT_HW_CLOCK |
|
|
WLR_OUTPUT_PRESENT_HW_COMPLETION,
|
|
};
|
|
wlr_output_send_present(&conn->output, &present_event);
|
|
|
|
if (drm->session->active) {
|
|
wlr_output_send_frame(&conn->output);
|
|
}
|
|
}
|
|
|
|
int handle_drm_event(int fd, uint32_t mask, void *data) {
|
|
drmEventContext event = {
|
|
.version = 2,
|
|
.page_flip_handler = page_flip_handler,
|
|
};
|
|
|
|
drmHandleEvent(fd, &event);
|
|
return 1;
|
|
}
|
|
|
|
void restore_drm_outputs(struct wlr_drm_backend *drm) {
|
|
uint64_t to_close = (1L << wl_list_length(&drm->outputs)) - 1;
|
|
|
|
struct wlr_drm_connector *conn;
|
|
wl_list_for_each(conn, &drm->outputs, link) {
|
|
if (conn->state == WLR_DRM_CONN_CONNECTED) {
|
|
conn->state = WLR_DRM_CONN_CLEANUP;
|
|
}
|
|
}
|
|
|
|
time_t timeout = time(NULL) + 5;
|
|
|
|
while (to_close && time(NULL) < timeout) {
|
|
handle_drm_event(drm->fd, 0, NULL);
|
|
size_t i = 0;
|
|
struct wlr_drm_connector *conn;
|
|
wl_list_for_each(conn, &drm->outputs, link) {
|
|
if (conn->state != WLR_DRM_CONN_CLEANUP || !conn->pageflip_pending) {
|
|
to_close &= ~(1 << i);
|
|
}
|
|
i++;
|
|
}
|
|
}
|
|
|
|
if (to_close) {
|
|
wlr_log(WLR_ERROR, "Timed out stopping output renderers");
|
|
}
|
|
|
|
wl_list_for_each(conn, &drm->outputs, link) {
|
|
drmModeCrtc *crtc = conn->old_crtc;
|
|
if (!crtc) {
|
|
continue;
|
|
}
|
|
|
|
drmModeSetCrtc(drm->fd, crtc->crtc_id, crtc->buffer_id, crtc->x, crtc->y,
|
|
&conn->id, 1, &crtc->mode);
|
|
}
|
|
}
|
|
|
|
static void drm_connector_cleanup(struct wlr_drm_connector *conn) {
|
|
if (!conn) {
|
|
return;
|
|
}
|
|
|
|
switch (conn->state) {
|
|
case WLR_DRM_CONN_CONNECTED:
|
|
case WLR_DRM_CONN_CLEANUP:;
|
|
struct wlr_drm_crtc *crtc = conn->crtc;
|
|
if (crtc != NULL) {
|
|
for (int i = 0; i < 3; ++i) {
|
|
if (!crtc->planes[i]) {
|
|
continue;
|
|
}
|
|
|
|
finish_drm_surface(&crtc->planes[i]->surf);
|
|
finish_drm_surface(&crtc->planes[i]->mgpu_surf);
|
|
if (crtc->planes[i]->id == 0) {
|
|
free(crtc->planes[i]);
|
|
crtc->planes[i] = NULL;
|
|
}
|
|
}
|
|
}
|
|
|
|
conn->output.current_mode = NULL;
|
|
conn->desired_mode = NULL;
|
|
struct wlr_drm_mode *mode, *tmp;
|
|
wl_list_for_each_safe(mode, tmp, &conn->output.modes, wlr_mode.link) {
|
|
wl_list_remove(&mode->wlr_mode.link);
|
|
free(mode);
|
|
}
|
|
|
|
conn->output.enabled = false;
|
|
conn->output.width = conn->output.height = conn->output.refresh = 0;
|
|
|
|
memset(&conn->output.make, 0, sizeof(conn->output.make));
|
|
memset(&conn->output.model, 0, sizeof(conn->output.model));
|
|
memset(&conn->output.serial, 0, sizeof(conn->output.serial));
|
|
|
|
if (conn->output.idle_frame != NULL) {
|
|
wl_event_source_remove(conn->output.idle_frame);
|
|
conn->output.idle_frame = NULL;
|
|
}
|
|
conn->output.needs_swap = false;
|
|
conn->output.frame_pending = false;
|
|
|
|
/* Fallthrough */
|
|
case WLR_DRM_CONN_NEEDS_MODESET:
|
|
wlr_log(WLR_INFO, "Emitting destruction signal for '%s'",
|
|
conn->output.name);
|
|
dealloc_crtc(conn);
|
|
conn->possible_crtc = 0;
|
|
conn->desired_mode = NULL;
|
|
wlr_signal_emit_safe(&conn->output.events.destroy, &conn->output);
|
|
break;
|
|
case WLR_DRM_CONN_DISCONNECTED:
|
|
break;
|
|
case WLR_DRM_CONN_DISAPPEARED:
|
|
return; // don't change state
|
|
}
|
|
|
|
conn->state = WLR_DRM_CONN_DISCONNECTED;
|
|
}
|