mirror of
https://github.com/hyprwm/wlroots-hyprland.git
synced 2024-11-02 03:45:58 +01:00
69c47717c2
wlr_buffer.c is difficult to read because it contains a mixed bag of unrelated things: base buffer type, buffer implementations, buffer resource factory, and client buffer. Split each of these into their own file.
69 lines
1.8 KiB
C
69 lines
1.8 KiB
C
#include <assert.h>
|
|
#include <stdlib.h>
|
|
#include <wlr/interfaces/wlr_buffer.h>
|
|
#include <wlr/util/log.h>
|
|
#include "types/wlr_buffer.h"
|
|
|
|
static const struct wlr_buffer_impl dmabuf_buffer_impl;
|
|
|
|
static struct wlr_dmabuf_buffer *dmabuf_buffer_from_buffer(
|
|
struct wlr_buffer *buffer) {
|
|
assert(buffer->impl == &dmabuf_buffer_impl);
|
|
return (struct wlr_dmabuf_buffer *)buffer;
|
|
}
|
|
|
|
static void dmabuf_buffer_destroy(struct wlr_buffer *wlr_buffer) {
|
|
struct wlr_dmabuf_buffer *buffer = dmabuf_buffer_from_buffer(wlr_buffer);
|
|
if (buffer->saved) {
|
|
wlr_dmabuf_attributes_finish(&buffer->dmabuf);
|
|
}
|
|
free(buffer);
|
|
}
|
|
|
|
static bool dmabuf_buffer_get_dmabuf(struct wlr_buffer *wlr_buffer,
|
|
struct wlr_dmabuf_attributes *dmabuf) {
|
|
struct wlr_dmabuf_buffer *buffer = dmabuf_buffer_from_buffer(wlr_buffer);
|
|
if (buffer->dmabuf.n_planes == 0) {
|
|
return false;
|
|
}
|
|
*dmabuf = buffer->dmabuf;
|
|
return true;
|
|
}
|
|
|
|
static const struct wlr_buffer_impl dmabuf_buffer_impl = {
|
|
.destroy = dmabuf_buffer_destroy,
|
|
.get_dmabuf = dmabuf_buffer_get_dmabuf,
|
|
};
|
|
|
|
struct wlr_dmabuf_buffer *dmabuf_buffer_create(
|
|
struct wlr_dmabuf_attributes *dmabuf) {
|
|
struct wlr_dmabuf_buffer *buffer = calloc(1, sizeof(*buffer));
|
|
if (buffer == NULL) {
|
|
return NULL;
|
|
}
|
|
wlr_buffer_init(&buffer->base, &dmabuf_buffer_impl,
|
|
dmabuf->width, dmabuf->height);
|
|
|
|
buffer->dmabuf = *dmabuf;
|
|
|
|
return buffer;
|
|
}
|
|
|
|
bool dmabuf_buffer_drop(struct wlr_dmabuf_buffer *buffer) {
|
|
bool ok = true;
|
|
|
|
if (buffer->base.n_locks > 0) {
|
|
struct wlr_dmabuf_attributes saved_dmabuf = {0};
|
|
if (!wlr_dmabuf_attributes_copy(&saved_dmabuf, &buffer->dmabuf)) {
|
|
wlr_log(WLR_ERROR, "Failed to save DMA-BUF");
|
|
ok = false;
|
|
memset(&buffer->dmabuf, 0, sizeof(buffer->dmabuf));
|
|
} else {
|
|
buffer->dmabuf = saved_dmabuf;
|
|
buffer->saved = true;
|
|
}
|
|
}
|
|
|
|
wlr_buffer_drop(&buffer->base);
|
|
return ok;
|
|
}
|