Skip to content
Snippets Groups Projects
Commit fe2b748a authored by Mike Stroyan's avatar Mike Stroyan Committed by Kenneth Graunke
Browse files

i965: allocate at least 1 BLEND_STATE element

When there are no color buffer render targets, gen6 and gen7 still
use the first BLEND_STATE element to determine alpha test.
gen6_upload_blend_state was allocating zero elements when
ctx->Color.AlphaEnabled was false.
That left _3DSTATE_CC_STATE_POINTERS or _3DSTATE_BLEND_STATE_POINTERS
pointing to random data from some previous brw_state_batch().
That sometimes suppressed depth rendering when those bits
happened to mean COMPAREFUNC_NEVER.
This produced flickering shadows for dota2 reborn.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=80500


Reviewed-by: default avatarChris Forbes <chrisf@ijw.co.nz>
Reviewed-by: Kenneth Graunke's avatarKenneth Graunke <kenneth@whitecape.org>
parent 9d408a41
No related branches found
No related tags found
Loading
Loading
0% Loading or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment