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ir: Add heuristic based LDS barrier pass (#1801)

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* ir: Add heuristic based LDS barrier pass

* Attempts to insert barriers after zero-depth divergant conditional blocks in shaders that use shared memory

* lds_barriers: Limit to nvidia

* Intel has historically had problems with cs barriers, will debug other time
This commit is contained in:
TheTurtle
2024-12-19 10:18:28 +02:00
committed by GitHub
parent adf4b635f7
commit 188eebb92a
6 changed files with 55 additions and 0 deletions
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src/video_core/renderer_vulkan/vk_pipeline_cache.cpp
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@@ -204,6 +204,7 @@ PipelineCache::PipelineCache(const Instance& instance_, Scheduler& scheduler_,
.supports_image_load_store_lod = instance_.IsImageLoadStoreLodSupported(),
.needs_manual_interpolation = instance.IsFragmentShaderBarycentricSupported() &&
instance.GetDriverID() == vk::DriverId::eNvidiaProprietary,
.needs_lds_barriers = instance.GetDriverID() == vk::DriverId::eNvidiaProprietary,
};
auto [cache_result, cache] = instance.GetDevice().createPipelineCacheUnique({});
ASSERT_MSG(cache_result == vk::Result::eSuccess, "Failed to create pipeline cache: {}",