nordic-dev.net/wlroots
2
0
Fork 0
mirror of https://gitlab.freedesktop.org/wlroots/wlroots.git synced 2024-11-21 14:42:25 +00:00
Code Issues Packages Projects Releases Wiki Activity

buffer: add more docs

Browse Source
This commit is contained in:
Simon Ser 2024-11-04 19:05:38 +01:00
parent ea93dd5cc3
commit 3fdbfb0be8
1 changed files with 13 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
include/wlr/types/wlr_buffer.h
View File

@ -17,11 +17,15 @@
struct wlr_buffer;
struct wlr_renderer;
/**
* Shared-memory attributes for a buffer.
*/
struct wlr_shm_attributes {
int fd;
uint32_t format;
int width, height, stride;
off_t offset;
uint32_t format; // FourCC code, see DRM_FORMAT_* in <drm_fourcc.h>
int width, height;
int stride; // Number of bytes between consecutive pixel lines
off_t offset; // Offset in bytes of the first pixel in FD
};
/**
@ -130,6 +134,12 @@ enum wlr_buffer_data_ptr_access_flag {
*/
bool wlr_buffer_begin_data_ptr_access(struct wlr_buffer *buffer, uint32_t flags,
void **data, uint32_t *format, size_t *stride);
/**
* Indicate that a pointer to a buffer's underlying memory will no longer be
* used.
*
* This function must be called after wlr_buffer_begin_data_ptr_access().
*/
void wlr_buffer_end_data_ptr_access(struct wlr_buffer *buffer);
/**