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dca0703dac
Add the following optional DRM properties, for use by the color-representation-v1 protocol: - COLOR_ENCODING - COLOR_RANGE
98 lines
2.5 KiB
C
98 lines
2.5 KiB
C
#ifndef BACKEND_DRM_PROPERTIES_H
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#define BACKEND_DRM_PROPERTIES_H
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#include <stdbool.h>
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#include <stddef.h>
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#include <stdint.h>
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/*
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* These types contain the property ids for several DRM objects.
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* For more details, see:
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* https://dri.freedesktop.org/docs/drm/gpu/drm-kms.html#kms-properties
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*/
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struct wlr_drm_connector_props {
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uint32_t edid;
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uint32_t dpms;
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uint32_t link_status; // not guaranteed to exist
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uint32_t path;
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uint32_t vrr_capable; // not guaranteed to exist
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uint32_t subconnector; // not guaranteed to exist
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uint32_t non_desktop;
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uint32_t panel_orientation; // not guaranteed to exist
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uint32_t content_type; // not guaranteed to exist
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uint32_t max_bpc; // not guaranteed to exist
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// atomic-modesetting only
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uint32_t crtc_id;
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uint32_t colorspace;
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uint32_t hdr_output_metadata;
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};
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struct wlr_drm_crtc_props {
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// Neither of these are guaranteed to exist
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uint32_t vrr_enabled;
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uint32_t gamma_lut;
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uint32_t gamma_lut_size;
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// atomic-modesetting only
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uint32_t active;
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uint32_t mode_id;
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uint32_t out_fence_ptr;
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};
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struct wlr_drm_plane_props {
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uint32_t type;
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uint32_t rotation; // Not guaranteed to exist
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uint32_t in_formats; // Not guaranteed to exist
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uint32_t size_hints; // Not guaranteed to exist
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// atomic-modesetting only
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uint32_t src_x;
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uint32_t src_y;
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uint32_t src_w;
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uint32_t src_h;
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uint32_t crtc_x;
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uint32_t crtc_y;
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uint32_t crtc_w;
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uint32_t crtc_h;
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uint32_t fb_id;
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uint32_t crtc_id;
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uint32_t fb_damage_clips;
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uint32_t hotspot_x;
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uint32_t hotspot_y;
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uint32_t in_fence_fd;
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uint32_t color_encoding; // Not guaranteed to exist
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uint32_t color_range; // Not guaranteed to exist
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};
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// Equivalent to wlr_drm_color_encoding defined in the kernel (but not exported)
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enum wlr_drm_color_encoding {
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WLR_DRM_COLOR_YCBCR_BT601,
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WLR_DRM_COLOR_YCBCR_BT709,
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WLR_DRM_COLOR_YCBCR_BT2020,
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};
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// Equivalent to wlr_drm_color_range defined in the kernel (but not exported)
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enum wlr_drm_color_range {
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WLR_DRM_COLOR_YCBCR_FULL_RANGE,
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WLR_DRM_COLOR_YCBCR_LIMITED_RANGE,
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};
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bool get_drm_connector_props(int fd, uint32_t id,
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struct wlr_drm_connector_props *out);
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bool get_drm_crtc_props(int fd, uint32_t id, struct wlr_drm_crtc_props *out);
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bool get_drm_plane_props(int fd, uint32_t id, struct wlr_drm_plane_props *out);
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bool get_drm_prop(int fd, uint32_t obj, uint32_t prop, uint64_t *ret);
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void *get_drm_prop_blob(int fd, uint32_t obj, uint32_t prop, size_t *ret_len);
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char *get_drm_prop_enum(int fd, uint32_t obj, uint32_t prop);
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bool introspect_drm_prop_range(int fd, uint32_t prop_id,
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uint64_t *min, uint64_t *max);
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#endif
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