opaque should not be set when logicops are enabled, that needs blending
even on Bifrost. Fixes is for when I believe the bug became possible to hit.
The logical error is older.
Fixes Piglit logicop tests again.
Fixes:
d849d9779a7 ("panfrost: Avoid blend shader when not blending")
Signed-off-by: Alyssa Rosenzweig <alyssa@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/20685>
(cherry picked from commit
41d99c10d1f2dff160b732e5311da398eb1ed90a)
"description": "panfrost: Fix logic ops on Bifrost",
"nominated": true,
"nomination_type": 1,
- "resolution": 0,
+ "resolution": 1,
"main_sha": null,
"because_sha": "d849d9779a77f05d7acd418516e154a4e9018f40"
},
const bool supports_2src = pan_blend_supports_2src(PAN_ARCH);
so->info[c] = (struct pan_blend_info) {
.enabled = (equation.color_mask != 0),
- .opaque = pan_blend_is_opaque(equation),
+ .opaque = !blend->logicop_enable && pan_blend_is_opaque(equation),
.constant_mask = constant_mask,
/* TODO: check the dest for the logicop */
};
/* Blend shaders should only be used for blending on Bifrost onwards */
- assert(dev->arch <= 5 || !pan_blend_is_opaque(state->rts[rt].equation));
+ assert(dev->arch <= 5 || state->logicop_enable ||
+ !pan_blend_is_opaque(state->rts[rt].equation));
assert(state->rts[rt].equation.color_mask != 0);
struct hash_entry *he = _mesa_hash_table_search(dev->blend_shaders.shaders, &key);