diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/drivers/dri/i965/intel_buffer_objects.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/intel_buffer_objects.c b/src/mesa/drivers/dri/i965/intel_buffer_objects.c index 631550a4a1..6ed31c9458 100644 --- a/src/mesa/drivers/dri/i965/intel_buffer_objects.c +++ b/src/mesa/drivers/dri/i965/intel_buffer_objects.c @@ -105,6 +105,12 @@ static void intel_bufferobj_data( GLcontext *ctx, obj->Size = size; obj->Usage = usage; + /* While it would seem to make sense to always reallocate the buffer here, + * since it should allow us better concurrency between rendering and + * map-cpu write-unmap, doing so was a minor (~10%) performance loss + * for both classic and TTM mode with openarena. That may change with + * improved buffer manager algorithms. + */ if (intel_obj->buffer != NULL && intel_obj->buffer->size != size) { dri_bo_unreference(intel_obj->buffer); intel_obj->buffer = NULL; |