diff options
| author | Eric Anholt <[email protected]> | 2014-02-27 10:05:39 -0800 |
|---|---|---|
| committer | Eric Anholt <[email protected]> | 2014-03-14 12:56:22 -0700 |
| commit | 1990da2568a0da79c6011bd83e7f7fb8bb099827 (patch) | |
| tree | b8449528cbc4ae5b0cd3ada62adb19ac1d1c2542 /src/mesa/drivers/dri | |
| parent | bb63df0c2d6e1236ea1efeb5b9500da4e1f8fa0d (diff) | |
i965: Always use CPU mappings for BOs on LLC platforms.
It looks like there's no big difference for write-only workloads, but
using a CPU map means that if they happen to read without having set the
MAP_READ_BIT, they get 100x the performance for those reads.
Reviewed-by: Kenneth Graunke <[email protected]>
Diffstat (limited to 'src/mesa/drivers/dri')
| -rw-r--r-- | src/mesa/drivers/dri/i965/intel_buffer_objects.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/i965/intel_buffer_objects.c b/src/mesa/drivers/dri/i965/intel_buffer_objects.c index e496836905a..260308a80a2 100644 --- a/src/mesa/drivers/dri/i965/intel_buffer_objects.c +++ b/src/mesa/drivers/dri/i965/intel_buffer_objects.c @@ -429,7 +429,7 @@ intel_bufferobj_map_range(struct gl_context * ctx, if (access & GL_MAP_UNSYNCHRONIZED_BIT) drm_intel_gem_bo_map_unsynchronized(intel_obj->buffer); - else if (!(access & GL_MAP_READ_BIT)) { + else if (!brw->has_llc && !(access & GL_MAP_READ_BIT)) { drm_intel_gem_bo_map_gtt(intel_obj->buffer); intel_bufferobj_mark_inactive(intel_obj); } else { |