diff options
Diffstat (limited to 'src/gallium/winsys/amdgpu/drm/amdgpu_cs.h')
| -rw-r--r-- | src/gallium/winsys/amdgpu/drm/amdgpu_cs.h | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/src/gallium/winsys/amdgpu/drm/amdgpu_cs.h b/src/gallium/winsys/amdgpu/drm/amdgpu_cs.h index 4683ed9b210..77bde4a070b 100644 --- a/src/gallium/winsys/amdgpu/drm/amdgpu_cs.h +++ b/src/gallium/winsys/amdgpu/drm/amdgpu_cs.h @@ -104,7 +104,7 @@ struct amdgpu_cs_context { unsigned max_sparse_buffers; struct amdgpu_cs_buffer *sparse_buffers; - int *buffer_indices_hashlist; + int16_t *buffer_indices_hashlist; struct amdgpu_winsys_bo *last_added_bo; unsigned last_added_bo_index; @@ -147,8 +147,13 @@ struct amdgpu_cs { struct amdgpu_cs_context *csc; /* The CS being currently-owned by the other thread. */ struct amdgpu_cs_context *cst; - /* This is only used by csc, not cst */ - int buffer_indices_hashlist[BUFFER_HASHLIST_SIZE]; + /* buffer_indices_hashlist[hash(bo)] returns -1 if the bo + * isn't part of any buffer lists or the index where the bo could be found. + * Since 1) hash collisions of 2 different bo can happen and 2) we use a + * single hashlist for the 3 buffer list, this is only a hint. + * amdgpu_lookup_buffer uses this hint to speed up buffers look up. + */ + int16_t buffer_indices_hashlist[BUFFER_HASHLIST_SIZE]; /* Flush CS. */ void (*flush_cs)(void *ctx, unsigned flags, struct pipe_fence_handle **fence); |