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output: add get_primary_formats to interface

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This function returns the set of formats the backend can use for the
primary buffer. It can be used to allocate a buffer suitable for
scan-out.
This commit is contained in:
Simon Ser 2020-12-01 16:21:10 +01:00
parent 534615cd55
commit 4d603826c8
1 changed files with 9 additions and 0 deletions
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9
include/wlr/interfaces/wlr_output.h
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@ -94,6 +94,15 @@ struct wlr_output_impl {
* size for the cursor may fail.
*/
void (*get_cursor_size)(struct wlr_output *output, int *width, int *height);
/**
* Get the list of DMA-BUF formats suitable for the primary buffer,
* assuming a buffer with the specified capabilities.
*
* If unimplemented, the primary buffer has no format constraint. If NULL
* is returned, no format is suitable.
*/
const struct wlr_drm_format_set *(*get_primary_formats)(
struct wlr_output *output, uint32_t buffer_caps);
};
/**