diff options
Diffstat (limited to 'src/mesa/drivers/dri/intel/intel_screen.h')
| -rw-r--r-- | src/mesa/drivers/dri/intel/intel_screen.h | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_screen.h b/src/mesa/drivers/dri/intel/intel_screen.h index b2013af1a29..9dd6a525566 100644 --- a/src/mesa/drivers/dri/intel/intel_screen.h +++ b/src/mesa/drivers/dri/intel/intel_screen.h @@ -63,9 +63,12 @@ * x8_z24 and s8). * * Eventually, intel_update_renderbuffers() makes a DRI2 request for - * DRI2BufferStencil and DRI2BufferHiz. If the returned buffers are Y tiled, - * then we joyfully set intel_screen.dri2_has_hiz to true and continue as if - * nothing happend. + * DRI2BufferStencil and DRI2BufferHiz. If the stencil buffer's tiling is + * I915_TILING_NONE [1], then we joyfully set intel_screen.dri2_has_hiz to + * true and continue as if nothing happend. + * + * [1] The stencil buffer is actually W tiled. However, we request from the + * kernel a non-tiled buffer because the GTT is incapable of W fencing. * * If the buffers are X tiled, however, the handshake has failed and we must * clean up. |