diff options
| author | Axel Davy <[email protected]> | 2015-02-20 12:34:47 +0100 |
|---|---|---|
| committer | Axel Davy <[email protected]> | 2015-04-29 08:28:11 +0200 |
| commit | 58d295d41e30434c570248eeee73af2006b79eea (patch) | |
| tree | 7553128065277d67b89b049c6571f9f6a5c5e5db /src/gallium/state_trackers/nine/texture9.c | |
| parent | 6f57e014365563c0dcc32451401a76212abf0a54 (diff) | |
st/nine: Enforce LOD 0 for D3DUSAGE_AUTOGENMIPMAP
For D3DUSAGE_AUTOGENMIPMAP textures, applications can only
lock/copy from/get surface descriptor for/etc the first level.
Thus it makes sense to restrict the LOD to 0, and use only the first
level to generate the sublevels.
Signed-off-by: Axel Davy <[email protected]>
Diffstat (limited to 'src/gallium/state_trackers/nine/texture9.c')
| -rw-r--r-- | src/gallium/state_trackers/nine/texture9.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/nine/texture9.c b/src/gallium/state_trackers/nine/texture9.c index c1d1343b273..5900e76e52c 100644 --- a/src/gallium/state_trackers/nine/texture9.c +++ b/src/gallium/state_trackers/nine/texture9.c @@ -146,6 +146,11 @@ NineTexture9_ctor( struct NineTexture9 *This, Width, Height, info->last_level); } else if (Pool != D3DPOOL_DEFAULT) { + /* TODO: For D3DUSAGE_AUTOGENMIPMAP, it is likely we only have to + * allocate only for the first level, since it is the only lockable + * level. Check apps don't crash if we allocate smaller buffer (some + * apps access sublevels of texture even if they locked only first + * level) */ level_offsets = alloca(sizeof(unsigned) * (info->last_level + 1)); user_buffer = MALLOC( nine_format_get_size_and_offsets(pf, level_offsets, |