llvmpipe: blend has effects even if no colorbuffers.
authorDave Airlie <airlied@redhat.com>
Fri, 19 Jun 2020 06:57:41 +0000 (16:57 +1000)
committerDave Airlie <airlied@redhat.com>
Mon, 31 Aug 2020 03:20:11 +0000 (13:20 +1000)
commit2d6385715da3368597671046368ff4fe11c1ca8e
tree5fc4f288765bcd04ca7521e9acad7e678dc2e83e
parent727bb217be680ba7de4e8821fbe409921952cd93
llvmpipe: blend has effects even if no colorbuffers.

ARB_framebuffer_no_attachments + multisampling means blend
can have an effect even outside of colorbufs

Fixes:
dEQP-VK.pipeline.multisample.alpha_to_coverage_no_color_attachment.samples_4.alpha_opaque

Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6381>
src/gallium/drivers/llvmpipe/lp_state_fs.c