Improve L0 sampler_state programming

Signed-off-by: Bartosz Dunajski <[email protected]>

Author: BartoszDunajski

level_zero/core/source/sampler/sampler_hw.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020-2021 Intel Corporation
+ * Copyright (C) 2020-2022 Intel Corporation
  *
  * SPDX-License-Identifier: MIT
  *
@@ -19,7 +19,7 @@ struct SamplerCoreFamily : public SamplerImp {
     using BaseClass = SamplerImp;
 
     ze_result_t initialize(Device *device, const ze_sampler_desc_t *desc) override;
-    virtual void appendSamplerStateParams(SAMPLER_STATE *state){};
+
     void copySamplerStateToDSH(void *dynamicStateHeap, const uint32_t dynamicStateHeapSize,
                                const uint32_t offset) override;
 

level_zero/core/source/sampler/sampler_hw.inl

@@ -107,7 +107,9 @@ ze_result_t SamplerCoreFamily<gfxCoreFamily>::initialize(Device *device, const z
     samplerState.setMinLod(minLodValue.getRawAccess());
     samplerState.setMaxLod(maxLodValue.getRawAccess());
 
-    appendSamplerStateParams(&samplerState);
+    auto &hwInfo = device->getHwInfo();
+
+    NEO::HwInfoConfig::get(hwInfo.platform.eProductFamily)->adjustSamplerState(&samplerState, hwInfo);
 
     return ZE_RESULT_SUCCESS;
 }

level_zero/core/source/xe_hpg_core/dg2/sampler_dg2.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2021 Intel Corporation
+ * Copyright (C) 2021-2022 Intel Corporation
  *
  * SPDX-License-Identifier: MIT
  *
@@ -14,11 +14,7 @@ template struct SamplerCoreFamily<IGFX_XE_HPG_CORE>;
 template <>
 struct SamplerProductFamily<IGFX_DG2> : public SamplerCoreFamily<IGFX_XE_HPG_CORE> {
     using SamplerCoreFamily::SamplerCoreFamily;
-    void appendSamplerStateParams(SAMPLER_STATE *state) override {
-        if (NEO::DebugManager.flags.ForceSamplerLowFilteringPrecision.get()) {
-            state->setLowQualityFilter(SAMPLER_STATE::LOW_QUALITY_FILTER_ENABLE);
-        }
-    }
+
     ze_result_t initialize(Device *device, const ze_sampler_desc_t *desc) override {
         return SamplerCoreFamily<IGFX_XE_HPG_CORE>::initialize(device, desc);
     };