diff options
| author | Eric Anholt <eric@anholt.net> | 2008-07-26 19:28:14 -0700 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2008-07-28 11:25:19 -0700 |
| commit | f85fd1b42dc2d77266007c02144d4f4f524e4157 (patch) | |
| tree | ef45bb5f688fb345141c3e8a78902ccad8f84c57 /shared-core | |
| parent | 04ae66db1c517264cddc786be962fdd393c9c8ac (diff) | |
intel-gem: Speed up tiled readpixels by tracking which pages have been flushed.
This is around 3x or so speedup, since we would read wide rows at a time, and
clflush each tile 8 times as a result. We'll want code related to this anyway
when we do fault-based per-page clflushing for sw fallbacks.
Diffstat (limited to 'shared-core')
| -rw-r--r-- | shared-core/i915_drv.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/shared-core/i915_drv.h b/shared-core/i915_drv.h index 99416e8d..7bb9e5bb 100644 --- a/shared-core/i915_drv.h +++ b/shared-core/i915_drv.h @@ -393,6 +393,12 @@ struct drm_i915_gem_object { /** Current tiling mode for the object. */ uint32_t tiling_mode; + + /** + * Flagging of which individual pages are valid in GEM_DOMAIN_CPU when + * GEM_DOMAIN_CPU is not in the object's read domain. + */ + uint8_t *page_cpu_valid; }; /** |