mirrors/wlroots
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/wlroots/wlroots.git synced 2025-12-16 08:56:26 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

buffer: replace get_data_ptr with {begin,end}_data_ptr_access

Browse source 
This new API allows buffer implementations to know when a user is
actively accessing the buffer's underlying storage. This is
important for the upcoming client-backed wlr_buffer implementation.
This commit is contained in:
Simon Ser 2021-06-02 17:02:28 +02:00 • committed by Simon Zeni
parent 9e58301df7
commit 38ba5881a0
7 changed files with 79 additions and 18 deletions
Download patch file Download diff file Expand all files Collapse all files

11
render/drm_dumb_allocator.c
View file

@ -128,8 +128,8 @@ create_err:
return NULL;
}
static bool drm_dumb_buffer_get_data_ptr(struct wlr_buffer *wlr_buffer, void **data,
uint32_t *format, size_t *stride) {
static bool drm_dumb_buffer_begin_data_ptr_access(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;
*stride = buf->stride;
@ -137,6 +137,10 @@ static bool drm_dumb_buffer_get_data_ptr(struct wlr_buffer *wlr_buffer, void **d
return true;
}
static void drm_dumb_buffer_end_data_ptr_access(struct wlr_buffer *wlr_buffer) {
// This space is intentionally left blank
}
static bool buffer_get_dmabuf(struct wlr_buffer *wlr_buffer,
struct wlr_dmabuf_attributes *attribs) {
struct wlr_drm_dumb_buffer *buf = drm_dumb_buffer_from_buffer(wlr_buffer);
@ -153,7 +157,8 @@ 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 = drm_dumb_buffer_get_data_ptr,
.begin_data_ptr_access = drm_dumb_buffer_begin_data_ptr_access,
.end_data_ptr_access = drm_dumb_buffer_end_data_ptr_access,
};
static const struct wlr_allocator_interface allocator_impl;