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124 lines
3.3 KiB
124 lines
3.3 KiB
#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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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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uint32_t 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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if (crtc->pending & WLR_DRM_CRTC_MODE) {
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if (drmModeSetCrtc(drm->fd, crtc->id, fb_id, 0, 0,
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&conn->id, 1, &crtc->mode)) {
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wlr_log_errno(WLR_ERROR, "%s: Failed to set CRTC", 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 && 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", conn->output.name);
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return false;
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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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static bool legacy_conn_enable(struct wlr_drm_backend *drm,
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struct wlr_drm_connector *conn, bool enable) {
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int ret = drmModeConnectorSetProperty(drm->fd, conn->id, conn->props.dpms,
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enable ? DRM_MODE_DPMS_ON : DRM_MODE_DPMS_OFF);
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if (!enable) {
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drmModeSetCrtc(drm->fd, conn->crtc->id, 0, 0, 0, NULL, 0,
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NULL);
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}
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return ret >= 0;
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}
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bool legacy_crtc_set_cursor(struct wlr_drm_backend *drm,
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struct wlr_drm_crtc *crtc, struct gbm_bo *bo) {
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if (!crtc || !crtc->cursor) {
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return true;
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}
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if (!bo) {
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if (drmModeSetCursor(drm->fd, crtc->id, 0, 0, 0)) {
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wlr_log_errno(WLR_DEBUG, "Failed to clear hardware cursor");
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return false;
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}
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return true;
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}
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struct wlr_drm_plane *plane = crtc->cursor;
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if (drmModeSetCursor(drm->fd, crtc->id, gbm_bo_get_handle(bo).u32,
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plane->surf.width, plane->surf.height)) {
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wlr_log_errno(WLR_DEBUG, "Failed to set hardware cursor");
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return false;
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}
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drm_fb_move(&crtc->cursor->queued_fb, &crtc->cursor->pending_fb);
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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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static size_t legacy_crtc_get_gamma_size(struct wlr_drm_backend *drm,
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struct wlr_drm_crtc *crtc) {
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return (size_t)crtc->legacy_crtc->gamma_size;
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}
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const struct wlr_drm_interface legacy_iface = {
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.conn_enable = legacy_conn_enable,
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.crtc_commit = legacy_crtc_commit,
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.crtc_set_cursor = legacy_crtc_set_cursor,
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.crtc_get_gamma_size = legacy_crtc_get_gamma_size,
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};
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