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buffer: add format param to get_data_ptr

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Allow wlr_buffer_impl.get_data_ptr to return a format.

This allows the Pixman renderer to not care about get_dmabuf/get_shm,
and only care about get_data_ptr. This will also help with [1], because
client wl_shm buffers can't implement get_shm.

[1]: https://github.com/swaywm/wlroots/pull/2892

References: https://github.com/swaywm/wlroots/issues/2864
This commit is contained in:
Simon Ser 2021-04-26 19:48:35 +02:00
parent ccbce0f0a6
commit 24fde77c62
5 changed files with 12 additions and 20 deletions
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5
include/types/wlr_buffer.h
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@ -2,14 +2,15 @@
#define TYPES_WLR_BUFFER
#include <wlr/types/wlr_buffer.h>
/**
* Access a pointer to the allocated data from the underlying implementation,
* and its stride.
* its format and its stride.
*
* The returned pointer should be pointing to a valid memory location for read
* and write operations.
*/
bool buffer_get_data_ptr(struct wlr_buffer *buffer, void **data,
size_t *stride);
uint32_t *format, size_t *stride);
#endif