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backend/drm: add support for custom modes

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Use the CVT algorithm to create a drmModeModeInfo.
This commit is contained in:
Simon Ser 2019-10-26 22:35:51 +02:00 • committed by Drew DeVault
parent e97c2c3639
commit 0e57effd38
5 changed files with 307 additions and 6 deletions
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13
include/backend/drm/cvt.h Normal file
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@ -0,0 +1,13 @@
#ifndef BACKEND_DRM_CVT_H
#define BACKEND_DRM_CVT_H
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <xf86drmMode.h>
void generate_cvt_mode(drmModeModeInfo *mode, int hdisplay, int vdisplay,
float vrefresh, bool reduced, bool interlaced);
#endif

3
include/wlr/backend/drm.h
View file

@ -32,6 +32,7 @@ bool wlr_output_is_drm(struct wlr_output *output);
* Add mode to the list of available modes
*/
typedef struct _drmModeModeInfo drmModeModeInfo;
bool wlr_drm_connector_add_mode(struct wlr_output *output, const drmModeModeInfo *mode);
struct wlr_output_mode *wlr_drm_connector_add_mode(struct wlr_output *output,
const drmModeModeInfo *mode);
#endif