Reviewed-by: Samuel Iglesias Gonsálvez <[email protected]>
On Thu, 2017-06-08 at 10:45 -0700, Jason Ekstrand wrote:
> ---
> src/intel/blorp/blorp_clear.c | 10 ++++++++++
> 1 file changed, 10 insertions(+)
>
> diff --git a/src/intel/blorp/blorp_clear.c
> b/src/intel/blorp/blorp_clear.c
> index 3d5c41c..efacadf 100644
> --- a/src/intel/blorp/blorp_clear.c
> +++ b/src/intel/blorp/blorp_clear.c
> @@ -479,6 +479,16 @@ blorp_clear_depth_stencil(struct blorp_batch
> *batch,
> params.x1 = x1;
> params.y1 = y1;
>
> + if (ISL_DEV_GEN(batch->blorp->isl_dev) == 6) {
> + /* For some reason, Sandy Bridge gets occlusion queries wrong
> if we
> + * don't have a shader. In particular, it records samples
> even though
> + * we disable statistics in 3DSTATE_WM. Give it the usual
> clear shader
> + * to work around the issue.
> + */
> + if (!blorp_params_get_clear_kernel(batch->blorp, ¶ms,
> false))
> + return;
> + }
> +
> while (num_layers > 0) {
> params.num_layers = num_layers;
>
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