diff options
| author | Marek Olšák <[email protected]> | 2010-08-11 15:11:37 +0200 |
|---|---|---|
| committer | Marek Olšák <[email protected]> | 2010-08-11 15:11:42 +0200 |
| commit | 4b20ad7559271a7785193094a3f110ef78e65253 (patch) | |
| tree | 8ff509cbdad6293fc3681f2b981c8d82e0d9d075 /src/gallium | |
| parent | b85c71d4e1e4ed788be834dff5b7b3c0cd0402ac (diff) | |
util: copy the u_staging commit message to the code
Diffstat (limited to 'src/gallium')
| -rw-r--r-- | src/gallium/auxiliary/util/u_staging.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/gallium/auxiliary/util/u_staging.h b/src/gallium/auxiliary/util/u_staging.h index f5976dadb15..602faa2971d 100644 --- a/src/gallium/auxiliary/util/u_staging.h +++ b/src/gallium/auxiliary/util/u_staging.h @@ -1,4 +1,12 @@ -/* Implement transfers using staging resources like in DirectX 10/11 */ +/* Direct3D 10/11 has no concept of transfers. Applications instead + * create resources with a STAGING or DYNAMIC usage, copy between them + * and the real resource and use Map to map the STAGING/DYNAMIC resource. + * + * This util module allows to implement Gallium drivers as a Direct3D + * driver would be implemented: transfers allocate a resource with + * PIPE_USAGE_STAGING, and copy the data between it and the real resource + * with resource_copy_region. + */ #ifndef U_STAGING_H #define U_STAGING_H |