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panfrost: Implement workgroups_x_shift_2 quirk 

I'm not sure why this is done this way, but let's follow the blob.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
This commit is contained in:
Alyssa Rosenzweig 2019-08-16 16:31:00 -07:00
parent 25ed930c4a
commit 3752566584
1 changed files with 11 additions and 2 deletions
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13
src/panfrost/encoder/pan_invocation.c
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@ -106,8 +106,17 @@ panfrost_pack_work_groups_compute(
if (quirk_graphics && (num_z <= 1))
out->workgroups_z_shift = 32;
/* Special fields */
out->workgroups_x_shift_2 = MAX2(out->workgroups_x_shift, 2);
/* Quirk: for graphics, workgroups_x_shift_2 must be at least 2,
* whereas for OpenCL it is simply equal to workgroups_x_shift. For GL
* compute, it seems it might *always* be 2, but this is suspicious and
* needs further investigation. (I'm probably just using GL wrong). */
if (quirk_graphics)
out->workgroups_x_shift_2 = MAX2(out->workgroups_x_shift, 2);
else
out->workgroups_x_shift_2 = out->workgroups_x_shift;
/* TODO: Compute workgroups_x_shift_3 */
out->workgroups_x_shift_3 = out->workgroups_x_shift_2;
}