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#include <gbm.h>
#include <wlr/util/log.h>
#include <xf86drm.h>
#include <xf86drmMode.h>
#include "backend/drm/drm.h"
#include "backend/drm/iface.h"
#include "backend/drm/util.h"
static bool legacy_crtc_pageflip(struct wlr_drm_backend *drm,
struct wlr_drm_connector *conn, drmModeModeInfo *mode) {
struct wlr_drm_crtc *crtc = conn->crtc;
struct wlr_drm_plane *cursor = crtc->cursor;
struct wlr_drm_fb *fb = plane_get_next_fb(crtc->primary);
struct gbm_bo *bo = drm_fb_acquire(fb, drm, &crtc->primary->mgpu_surf);
if (!bo) {
return false;
}
uint32_t fb_id = get_fb_for_bo(bo, drm->addfb2_modifiers);
if (!fb_id) {
return false;
}
if (mode) {
if (drmModeSetCrtc(drm->fd, crtc->id, fb_id, 0, 0,
&conn->id, 1, mode)) {
wlr_log_errno(WLR_ERROR, "%s: Failed to set CRTC", conn->output.name);
return false;
}
}
if (cursor != NULL && cursor->cursor_enabled && drmModeMoveCursor(drm->fd,
crtc->id, conn->cursor_x, conn->cursor_y) != 0) {
wlr_log_errno(WLR_ERROR, "%s: failed to move cursor", conn->output.name);
return false;
}
if (drmModePageFlip(drm->fd, crtc->id, fb_id, DRM_MODE_PAGE_FLIP_EVENT, drm)) {
wlr_log_errno(WLR_ERROR, "%s: Failed to page flip", conn->output.name);
return false;
}
return true;
}
static bool legacy_conn_enable(struct wlr_drm_backend *drm,
struct wlr_drm_connector *conn, bool enable) {
int ret = drmModeConnectorSetProperty(drm->fd, conn->id, conn->props.dpms,
enable ? DRM_MODE_DPMS_ON : DRM_MODE_DPMS_OFF);
if (!enable) {
drmModeSetCrtc(drm->fd, conn->crtc->id, 0, 0, 0, NULL, 0,
NULL);
}
return ret >= 0;
}
bool legacy_crtc_set_cursor(struct wlr_drm_backend *drm,
struct wlr_drm_crtc *crtc, struct gbm_bo *bo) {
if (!crtc || !crtc->cursor) {
return true;
}
if (!bo) {
if (drmModeSetCursor(drm->fd, crtc->id, 0, 0, 0)) {
wlr_log_errno(WLR_DEBUG, "Failed to clear hardware cursor");
return false;
}
return true;
}
struct wlr_drm_plane *plane = crtc->cursor;
if (drmModeSetCursor(drm->fd, crtc->id, gbm_bo_get_handle(bo).u32,
plane->surf.width, plane->surf.height)) {
wlr_log_errno(WLR_DEBUG, "Failed to set hardware cursor");
return false;
}
drm_fb_move(&crtc->cursor->queued_fb, &crtc->cursor->pending_fb);
return true;
}
static bool legacy_crtc_set_gamma(struct wlr_drm_backend *drm,
struct wlr_drm_crtc *crtc, size_t size,
uint16_t *r, uint16_t *g, uint16_t *b) {
return !drmModeCrtcSetGamma(drm->fd, crtc->id, (uint32_t)size, r, g, b);
}
static size_t legacy_crtc_get_gamma_size(struct wlr_drm_backend *drm,
struct wlr_drm_crtc *crtc) {
return (size_t)crtc->legacy_crtc->gamma_size;
}
const struct wlr_drm_interface legacy_iface = {
.conn_enable = legacy_conn_enable,
.crtc_pageflip = legacy_crtc_pageflip,
.crtc_set_cursor = legacy_crtc_set_cursor,
.crtc_set_gamma = legacy_crtc_set_gamma,
.crtc_get_gamma_size = legacy_crtc_get_gamma_size,
};
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