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config: add tweak.min-stride-alignment

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This allows the user to configure the value by which a surface
buffer's stride must be an even multiple of.

This can be used to ensure the stride meets the GPU driver's
requirements for direct import.

Defaults to 256. Set to 0 to disable.

Closes #2182
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Daniel Eklöf 2025-10-04 09:29:56 +02:00
parent 80951ab7a6
commit fac3994154
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6 changed files with 29 additions and 1 deletions
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3
shm.h
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@ -42,7 +42,10 @@ struct buffer {
};
void shm_fini(void);
/* TODO: combine into shm_init() */
void shm_set_max_pool_size(off_t max_pool_size);
void shm_set_min_stride_alignment(size_t min_stride_alignment);
struct buffer_chain;
struct buffer_chain *shm_chain_new(