wlroots/backend/drm/legacy.c

130 lines
3.3 KiB
C

#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_commit(struct wlr_drm_backend *drm,
struct wlr_drm_connector *conn, uint32_t flags) {
struct wlr_drm_crtc *crtc = conn->crtc;
struct wlr_drm_plane *cursor = crtc->cursor;
uint32_t fb_id = 0;
if (crtc->active) {
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;
}
fb_id = get_fb_for_bo(bo, drm->addfb2_modifiers);
if (!fb_id) {
return false;
}
}
if (crtc->pending & WLR_DRM_CRTC_MODE) {
uint32_t *conns = NULL;
size_t conns_len = 0;
drmModeModeInfo *mode = NULL;
if (crtc->active) {
conns = &conn->id;
conns_len = 1;
mode = &crtc->mode;
}
if (drmModeConnectorSetProperty(drm->fd, conn->id, conn->props.dpms,
crtc->active ? DRM_MODE_DPMS_ON : DRM_MODE_DPMS_OFF) != 0) {
wlr_log_errno(WLR_ERROR, "%s: failed to set DPMS property",
conn->output.name);
return false;
}
if (drmModeSetCrtc(drm->fd, crtc->id, fb_id, 0, 0,
conns, conns_len, mode)) {
wlr_log_errno(WLR_ERROR, "%s: failed to set CRTC",
conn->output.name);
return false;
}
}
if (crtc->pending & WLR_DRM_CRTC_GAMMA_LUT) {
if (!drm_legacy_crtc_set_gamma(drm, crtc)) {
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 (flags & DRM_MODE_PAGE_FLIP_EVENT) {
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;
}
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;
}
bool drm_legacy_crtc_set_gamma(struct wlr_drm_backend *drm,
struct wlr_drm_crtc *crtc) {
uint32_t size = crtc->gamma_table_size;
uint16_t *r = NULL, *g = NULL, *b = NULL;
if (size > 0) {
r = crtc->gamma_table;
g = crtc->gamma_table + crtc->gamma_table_size;
b = crtc->gamma_table + 2 * crtc->gamma_table_size;
}
if (drmModeCrtcSetGamma(drm->fd, crtc->id, size, r, g, b) != 0) {
wlr_log_errno(WLR_ERROR, "Failed to set gamma LUT on CRTC %"PRIu32,
crtc->id);
return false;
}
return true;
}
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 = {
.crtc_commit = legacy_crtc_commit,
.crtc_set_cursor = legacy_crtc_set_cursor,
.crtc_get_gamma_size = legacy_crtc_get_gamma_size,
};