| author | Christoph Bumiller <e0425955@student.tuwien.ac.at> | 2013-01-08 11:35:25 (GMT) |
|---|---|---|
| committer | Christoph Bumiller <e0425955@student.tuwien.ac.at> | 2013-01-08 15:13:51 (GMT) |
| commit | 39fe03e2de655aee9939cb51d08cac8aa491bb6e (patch) (side-by-side diff) | |
| tree | 0dd2ee748539f3d120b8e7c26b4f705ff28eba99 | |
| parent | 48a45ec24ae74c00d1487552e94d9f824a428f58 (diff) | |
| download | mesa-39fe03e2de655aee9939cb51d08cac8aa491bb6e.zip mesa-39fe03e2de655aee9939cb51d08cac8aa491bb6e.tar.gz | |
nouveau: increase max order of suballocated buffers by 1
This is really a hack to make TF2 (considerably, up to 20 -> 70 fps
at low res) faster.
| -rw-r--r-- | src/gallium/drivers/nouveau/nouveau_mm.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/src/gallium/drivers/nouveau/nouveau_mm.c b/src/gallium/drivers/nouveau/nouveau_mm.c index 6045af6..439c0fb 100644 --- a/src/gallium/drivers/nouveau/nouveau_mm.c +++ b/src/gallium/drivers/nouveau/nouveau_mm.c @@ -9,8 +9,15 @@ #include "nouveau_screen.h" #include "nouveau_mm.h" +/* TODO: Higher orders can waste a lot of space for npot size buffers, should + * add an extra cache for such buffer objects. + * + * HACK: Max order == 21 to accommodate TF2's 1.5 MiB, frequently reallocated + * vertex buffer (VM flush (?) decreases performance dramatically). + */ + #define MM_MIN_ORDER 7 /* >= 6 to not violate ARB_map_buffer_alignment */ -#define MM_MAX_ORDER 20 +#define MM_MAX_ORDER 21 #define MM_NUM_BUCKETS (MM_MAX_ORDER - MM_MIN_ORDER + 1) @@ -102,7 +109,7 @@ mm_default_slab_size(unsigned chunk_order) { static const int8_t slab_order[MM_MAX_ORDER - MM_MIN_ORDER + 1] = { - 12, 12, 13, 14, 14, 17, 17, 17, 17, 19, 19, 20, 21, 22 + 12, 12, 13, 14, 14, 17, 17, 17, 17, 19, 19, 20, 21, 22, 22 }; assert(chunk_order <= MM_MAX_ORDER && chunk_order >= MM_MIN_ORDER); |