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mesa/util: add new util_dynarray_delete_unordered helper

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This helper function will be used for managing dynamic arrays of
resident texture/image handles.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
This commit is contained in:
Samuel Pitoiset 2017-05-29 17:26:30 +02:00
parent 5f249b9f05
commit 30471eb745
1 changed files with 14 additions and 0 deletions
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14
src/util/u_dynarray.h
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@ -138,6 +138,20 @@ util_dynarray_trim(struct util_dynarray *buf)
for (type *elem = (type *)(buf)->data; \
elem < (type *)((char *)(buf)->data + (buf)->size); elem++)
#define util_dynarray_delete_unordered(buf, type, v) \
do { \
unsigned num_elements = (buf)->size / sizeof(type); \
unsigned i; \
for (i = 0; i < num_elements; i++) { \
type __v = *util_dynarray_element((buf), type, (i)); \
if (v == __v) { \
memcpy(util_dynarray_element((buf), type, (i)), \
util_dynarray_pop_ptr((buf), type), sizeof(type)); \
break; \
} \
} \
} while (0)
#ifdef __cplusplus
}
#endif