From af67966d9261178bebc7a3019881fc1576d311e3 Mon Sep 17 00:00:00 2001 From: Scott Anderson Date: Wed, 9 Aug 2017 20:43:01 +1200 Subject: Atomic modesetting --- backend/drm/drm-legacy.c | 58 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 backend/drm/drm-legacy.c (limited to 'backend/drm/drm-legacy.c') diff --git a/backend/drm/drm-legacy.c b/backend/drm/drm-legacy.c new file mode 100644 index 00000000..f7adac86 --- /dev/null +++ b/backend/drm/drm-legacy.c @@ -0,0 +1,58 @@ +#include +#include +#include +#include +#include "backend/drm.h" +#include "backend/drm-util.h" + +static bool legacy_crtc_pageflip(struct wlr_backend_state *drm, struct wlr_output_state *output, + struct wlr_drm_crtc *crtc, uint32_t fb_id, drmModeModeInfo *mode) { + if (mode) { + drmModeSetCrtc(drm->fd, crtc->id, fb_id, 0, 0, + &output->connector, 1, mode); + } + + drmModePageFlip(drm->fd, crtc->id, fb_id, DRM_MODE_PAGE_FLIP_EVENT, output); + + return true; +} + +static void legacy_conn_enable(struct wlr_backend_state *drm, struct wlr_output_state *output, + bool enable) { + drmModeConnectorSetProperty(drm->fd, output->connector, output->props.dpms, + enable ? DRM_MODE_DPMS_ON : DRM_MODE_DPMS_OFF); +} + +bool legacy_crtc_set_cursor(struct wlr_backend_state *drm, struct wlr_drm_crtc *crtc, + struct gbm_bo *bo) { + if (!crtc || !crtc->cursor) { + return true; + } + + if (!bo) { + drmModeSetCursor(drm->fd, crtc->id, 0, 0, 0); + return true; + } + + struct wlr_drm_plane *plane = crtc->cursor; + + if (drmModeSetCursor(drm->fd, crtc->id, gbm_bo_get_handle(bo).u32, + plane->width, plane->height)) { + wlr_log_errno(L_ERROR, "Failed to set hardware cursor"); + return false; + } + + return true; +} + +bool legacy_crtc_move_cursor(struct wlr_backend_state *drm, struct wlr_drm_crtc *crtc, + int x, int y) { + return !drmModeMoveCursor(drm->fd, crtc->id, x, y); +} + +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_move_cursor = legacy_crtc_move_cursor, +}; -- cgit v1.2.3