LeandroLP23andClaude Opus 5.5 79d72b6836 fix(shader): kill demoted quad-mask pixels when the pixel program returns ...

A pixel that PA_SC_AA_MASK leaves uncovered is demoted to a helper
invocation so the covered pixels keep their derivatives. When the guest
exports under an EXEC mask that clears that lane, the colour output is
never written. On the Radeon 860M (Windows driver 32.0.13058.8001) such
a demoted invocation still writes undefined colour to the target, so
agc_driver_quad_pixel_mask fails at its first implicit-LOD sample under a
partial mask (2). Killing the uncovered invocations at the return, after every
derivative is taken, discards them on every driver.

Co-Authored-By: Claude Opus 5.5 <[email protected]>

2026-10-15 10:09:52 +02:00

..

debt

fix(shader): kill demoted quad-mask pixels when the pixel program returns

2026-10-15 10:09:52 +02:00

ARCHITECTURE.md

Merge pull request #5181 from ThatsLeo/perf/shader-compact-resource-plans

2026-10-15 10:56:57 +13:00

BUILD.md

Merge pull request #5032 from kq62/docs-winlibs-link

2026-10-14 19:54:36 +02:00

CONVENTIONS.md

refactor(docs): separated user and dev in docs + compatibility file

2026-09-28 22:58:17 +03:00

HW_ORACLE.md

feat(shader): follow FP16_OVFL in every f16 result

2026-10-10 04:32:38 -03:00

PROGRESS.md

feat(tools): plot counts in the progress history chart

2026-10-13 11:25:57 +02:00

TechnicalDebt.md

Merge pull request #5511 from JJenkx/perf/spirv-bounded-redundancy

2026-10-15 07:38:13 +13:00