diff options
| -rw-r--r-- | src/mesa/drivers/dri/intel/intel_mipmap_tree.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_mipmap_tree.c b/src/mesa/drivers/dri/intel/intel_mipmap_tree.c index cb5a341050b..a20ea5afdb7 100644 --- a/src/mesa/drivers/dri/intel/intel_mipmap_tree.c +++ b/src/mesa/drivers/dri/intel/intel_mipmap_tree.c @@ -238,11 +238,11 @@ int intel_miptree_pitch_align (struct intel_context *intel, pitch = ALIGN(pitch * mt->cpp, pitch_align); #ifdef I915 - /* XXX: At least the i915 seems very upset when the pitch is a multiple - * of 1024 and sometimes 512 bytes - performance can drop by several - * times. Go to the next multiple of the required alignment for now. + /* Do a little adjustment to linear allocations so that we avoid + * hitting the same channel of memory for 2 different pages when + * reading a 2x2 subspan or doing bilinear filtering. */ - if (!(pitch & 511) && + if (tiling == I915_TILING_NONE && !(pitch & 511) && (pitch + pitch_align) < (1 << ctx->Const.MaxTextureLevels)) pitch += pitch_align; #endif |