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shader_recompiler: Rework sharp tracking for robustness (#3327)

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* shader_recompiler: Remove remnants of old discard

Also constant propagate conditional discard if condition is constant

* resource_tracking_pass: Rework sharp tracking for robustness

* resource_tracking_pass: Add source dominance analysis

When reachability is not enough to prune source list, check if a source dominates all other sources

* resource_tracking_pass: Fix immediate check

How did this work before

* resource_tracking_pass: Remove unused template type

* readlane_elimination_pass: Don't add phi when all args are the same

New sharp tracking exposed some bad sources coming on sampler sharps with aniso disable pattern that also were part of readlane pattern, fix tracking by removing the unnecessary phis inbetween

* resource_tracking_pass: Allow phi in disable aniso pattern

* resource_tracking_pass: Handle not valid buffer sharp and more phi in aniso pattern
This commit is contained in:
TheTurtle
2025-07-28 23:32:16 +03:00
committed by GitHub
parent d286631798
commit 93767ae31b
20 changed files with 304 additions and 243 deletions
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CMakeLists.txt
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@@ -893,6 +893,7 @@ set(SHADER_RECOMPILER src/shader_recompiler/exception.h
src/shader_recompiler/ir/attribute.h
src/shader_recompiler/ir/basic_block.cpp
src/shader_recompiler/ir/basic_block.h
src/shader_recompiler/ir/breadth_first_search.h
src/shader_recompiler/ir/condition.h
src/shader_recompiler/ir/ir_emitter.cpp
src/shader_recompiler/ir/ir_emitter.h