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radv: do not emit rbplus if attachments are undefined

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Fixes some crashes with dEQP-VK.geometry.layered.*.secondary_cmd_buffer
on Raven and other chips that allow rbplus.

This just prevents a crash and rbplus probaby needs more work.

Cc: 19.2 <mesa-stable@lists.freedesktop.org>
Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
(cherry picked from commit 956d825ed8)
This commit is contained in:
Samuel Pitoiset 2019-10-21 16:03:47 +02:00 • committed by Dylan Baker
parent 2bd9eb83b4
commit e8d4a75d9a
1 changed files with 3 additions and 0 deletions
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3
src/amd/vulkan/radv_cmd_buffer.c
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@ -998,6 +998,9 @@ radv_emit_rbplus_state(struct radv_cmd_buffer *cmd_buffer)
unsigned sx_blend_opt_epsilon = 0;
unsigned sx_blend_opt_control = 0;
if (!cmd_buffer->state.attachments || !subpass)
return;
for (unsigned i = 0; i < subpass->color_count; ++i) {
if (subpass->color_attachments[i].attachment == VK_ATTACHMENT_UNUSED) {
sx_blend_opt_control |= S_02875C_MRT0_COLOR_OPT_DISABLE(1) << (i * 4);