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https://github.com/hyprwm/wlroots-hyprland.git
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b5d4bc3c62
A wlroots user can easily get confused and think that `cap` refers to wlroots buffer capabilities, not array capacity.
49 lines
1.3 KiB
C
49 lines
1.3 KiB
C
#ifndef WLR_RENDER_DRM_FORMAT_SET_H
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#define WLR_RENDER_DRM_FORMAT_SET_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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/** A single DRM format */
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struct wlr_drm_format {
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// The actual DRM format, from `drm_fourcc.h`
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uint32_t format;
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// The number of modifiers
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size_t len;
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// The capacity of the array; do not use.
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size_t capacity;
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// The actual modifiers
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uint64_t modifiers[];
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};
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/** A set of DRM formats */
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struct wlr_drm_format_set {
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// The number of formats
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size_t len;
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// The capacity of the array; private to wlroots
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size_t capacity;
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// A pointer to an array of `struct wlr_drm_format *` of length `len`.
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struct wlr_drm_format **formats;
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};
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/**
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* Free all of the DRM formats in the set, making the set empty. Does not
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* free the set itself.
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*/
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void wlr_drm_format_set_finish(struct wlr_drm_format_set *set);
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/**
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* Return a pointer to a member of this `wlr_drm_format_set` of format
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* `format`, or NULL if none exists.
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*/
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const struct wlr_drm_format *wlr_drm_format_set_get(
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const struct wlr_drm_format_set *set, uint32_t format);
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bool wlr_drm_format_set_has(const struct wlr_drm_format_set *set,
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uint32_t format, uint64_t modifier);
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bool wlr_drm_format_set_add(struct wlr_drm_format_set *set, uint32_t format,
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uint64_t modifier);
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#endif
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