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synced 2025-11-03 09:01:40 -05:00
06d5aa5780
GAMMA_LUT_SIZE isn't an atomic property. It can be used with the legacy interface too. So we can unify both codepaths and remove wlr_drm_interface.crtc_get_gamma_size. It's no guaranteed to exist though, so we still need to keep the fallback.
122 lines
3.1 KiB
C
122 lines
3.1 KiB
C
#include <gbm.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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static bool legacy_crtc_commit(struct wlr_drm_backend *drm,
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struct wlr_drm_connector *conn, uint32_t flags) {
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struct wlr_drm_crtc *crtc = conn->crtc;
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struct wlr_drm_plane *cursor = crtc->cursor;
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uint32_t fb_id = 0;
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if (crtc->active) {
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struct wlr_drm_fb *fb = plane_get_next_fb(crtc->primary);
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struct gbm_bo *bo = drm_fb_acquire(fb, drm, &crtc->primary->mgpu_surf);
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if (!bo) {
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return false;
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}
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fb_id = get_fb_for_bo(bo, drm->addfb2_modifiers);
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if (!fb_id) {
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return false;
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}
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}
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if (crtc->pending & WLR_DRM_CRTC_MODE) {
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uint32_t *conns = NULL;
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size_t conns_len = 0;
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drmModeModeInfo *mode = NULL;
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if (crtc->active) {
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conns = &conn->id;
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conns_len = 1;
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mode = &crtc->mode;
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}
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if (drmModeConnectorSetProperty(drm->fd, conn->id, conn->props.dpms,
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crtc->active ? DRM_MODE_DPMS_ON : DRM_MODE_DPMS_OFF) != 0) {
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wlr_log_errno(WLR_ERROR, "%s: failed to set DPMS property",
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conn->output.name);
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return false;
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}
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if (drmModeSetCrtc(drm->fd, crtc->id, fb_id, 0, 0,
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conns, conns_len, mode)) {
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wlr_log_errno(WLR_ERROR, "%s: failed to set CRTC",
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conn->output.name);
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return false;
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}
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}
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if (crtc->pending & WLR_DRM_CRTC_GAMMA_LUT) {
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if (!drm_legacy_crtc_set_gamma(drm, crtc)) {
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return false;
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}
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}
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if (cursor != NULL && cursor->cursor_enabled) {
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struct wlr_drm_fb *cursor_fb = plane_get_next_fb(cursor);
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struct gbm_bo *cursor_bo =
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drm_fb_acquire(cursor_fb, drm, &cursor->mgpu_surf);
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if (!cursor_bo) {
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wlr_log_errno(WLR_DEBUG, "%s: failed to acquire cursor FB",
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conn->output.name);
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return false;
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}
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if (drmModeSetCursor(drm->fd, crtc->id,
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gbm_bo_get_handle(cursor_bo).u32,
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cursor->surf.width, cursor->surf.height)) {
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wlr_log_errno(WLR_DEBUG, "%s: failed to set hardware cursor",
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conn->output.name);
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return false;
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}
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if (drmModeMoveCursor(drm->fd,
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crtc->id, conn->cursor_x, conn->cursor_y) != 0) {
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wlr_log_errno(WLR_ERROR, "%s: failed to move cursor",
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conn->output.name);
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return false;
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}
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} else {
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if (drmModeSetCursor(drm->fd, crtc->id, 0, 0, 0)) {
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wlr_log_errno(WLR_DEBUG, "%s: failed to unset hardware cursor",
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conn->output.name);
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return false;
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}
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}
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if (flags & DRM_MODE_PAGE_FLIP_EVENT) {
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if (drmModePageFlip(drm->fd, crtc->id, fb_id,
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DRM_MODE_PAGE_FLIP_EVENT, drm)) {
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wlr_log_errno(WLR_ERROR, "%s: Failed to page flip", conn->output.name);
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return false;
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}
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}
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return true;
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}
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bool drm_legacy_crtc_set_gamma(struct wlr_drm_backend *drm,
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struct wlr_drm_crtc *crtc) {
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uint32_t size = crtc->gamma_table_size;
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uint16_t *r = NULL, *g = NULL, *b = NULL;
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if (size > 0) {
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r = crtc->gamma_table;
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g = crtc->gamma_table + crtc->gamma_table_size;
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b = crtc->gamma_table + 2 * crtc->gamma_table_size;
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}
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if (drmModeCrtcSetGamma(drm->fd, crtc->id, size, r, g, b) != 0) {
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wlr_log_errno(WLR_ERROR, "Failed to set gamma LUT on CRTC %"PRIu32,
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crtc->id);
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return false;
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}
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return true;
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}
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const struct wlr_drm_interface legacy_iface = {
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.crtc_commit = legacy_crtc_commit,
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};
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