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render/allocator: add wlr_allocator.buffer_caps

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This allows users to know the capabilities of the buffers that
will be allocated. The buffer capability is important to
know when negotiating buffer formats.
This commit is contained in:
Simon Ser 2021-05-31 20:16:32 +02:00 • committed by Simon Zeni
parent 5c30cf3d94
commit 766a24fa77
5 changed files with 33 additions and 10 deletions
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8
render/drm_dumb_allocator.c
View file

@ -15,6 +15,7 @@
#include "render/drm_dumb_allocator.h"
#include "render/pixel_format.h"
#include "types/wlr_buffer.h"
static const struct wlr_buffer_impl buffer_impl;
@ -127,7 +128,7 @@ create_err:
return NULL;
}
static bool buffer_get_data_ptr(struct wlr_buffer *wlr_buffer, void **data,
static bool drm_dumb_buffer_get_data_ptr(struct wlr_buffer *wlr_buffer, void **data,
uint32_t *format, size_t *stride) {
struct wlr_drm_dumb_buffer *buf = drm_dumb_buffer_from_buffer(wlr_buffer);
*data = buf->data;
@ -152,7 +153,7 @@ static void buffer_destroy(struct wlr_buffer *wlr_buffer) {
static const struct wlr_buffer_impl buffer_impl = {
.destroy = buffer_destroy,
.get_dmabuf = buffer_get_dmabuf,
.get_data_ptr = buffer_get_data_ptr,
.get_data_ptr = drm_dumb_buffer_get_data_ptr,
};
static const struct wlr_allocator_interface allocator_impl;
@ -231,7 +232,8 @@ struct wlr_allocator *wlr_drm_dumb_allocator_create(int fd) {
free(path);
return NULL;
}
wlr_allocator_init(&alloc->base, &allocator_impl);
wlr_allocator_init(&alloc->base, &allocator_impl,
WLR_BUFFER_CAP_DATA_PTR | WLR_BUFFER_CAP_DMABUF);
alloc->drm_fd = drm_fd;
wl_list_init(&alloc->buffers);