74 lines
1.8 KiB
C
74 lines
1.8 KiB
C
/*
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* Copyright (c) 2022 - 2023 Andri Yngvason
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
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* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
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* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
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* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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#pragma once
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#include "sys/queue.h"
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#include <stdbool.h>
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#include <unistd.h>
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#include <stdint.h>
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#include <pixman.h>
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struct wl_buffer;
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struct gbm_bo;
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enum buffer_type {
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BUFFER_UNSPEC = 0,
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BUFFER_WL_SHM,
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BUFFER_DMABUF,
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};
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struct buffer {
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int ref;
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int hold;
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LIST_ENTRY(buffer) registry_link;
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TAILQ_ENTRY(buffer) pool_link;
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void (*release_fn)(struct buffer*, void* ud);
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void* release_ud;
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enum buffer_type type;
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int width, height;
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int32_t scale;
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size_t size;
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uint32_t format;
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struct wl_buffer* wl_buffer;
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struct pixman_region16 damage;
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// wl_shm:
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void* pixels;
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int stride;
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// dmabuf:
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struct gbm_bo* bo;
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};
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struct buffer* buffer_create_shm(int width, int height, int stride, uint32_t format);
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struct buffer* buffer_create_dmabuf(int width, int height, uint32_t format);
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void buffer_destroy(struct buffer* self);
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void buffer_ref(struct buffer*);
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void buffer_unref(struct buffer*);
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void buffer_set_release_fn(struct buffer*, void (*)(struct buffer*, void* ud),
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void* userdata);
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void buffer_hold(struct buffer*);
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void buffer_release(struct buffer*);
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