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			80 lines
		
	
	
	
		
			2.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			80 lines
		
	
	
	
		
			2.2 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_pageflip(struct wlr_drm_backend *drm,
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		struct wlr_drm_connector *conn, struct wlr_drm_crtc *crtc,
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		uint32_t fb_id, drmModeModeInfo *mode) {
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	if (mode) {
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		if (drmModeSetCrtc(drm->fd, crtc->id, fb_id, 0, 0,
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				&conn->id, 1, 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 (drmModePageFlip(drm->fd, crtc->id, fb_id, DRM_MODE_PAGE_FLIP_EVENT, conn)) {
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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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	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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	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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		drmModeSetCursor(drm->fd, crtc->id, 0, 0, 0);
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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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	return true;
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}
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bool legacy_crtc_move_cursor(struct wlr_drm_backend *drm,
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		struct wlr_drm_crtc *crtc, int x, int y) {
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	return !drmModeMoveCursor(drm->fd, crtc->id, x, y);
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}
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bool legacy_crtc_set_gamma(struct wlr_drm_backend *drm,
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		struct wlr_drm_crtc *crtc, uint16_t *r, uint16_t *g, uint16_t *b,
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		uint32_t size) {
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	return !drmModeCrtcSetGamma(drm->fd, crtc->id, size, r, g, b);
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}
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uint32_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 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_pageflip = legacy_crtc_pageflip,
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	.crtc_set_cursor = legacy_crtc_set_cursor,
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	.crtc_move_cursor = legacy_crtc_move_cursor,
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	.crtc_set_gamma = legacy_crtc_set_gamma,
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	.crtc_get_gamma_size = legacy_crtc_get_gamma_size,
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};
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