kc3-lang/angle/src/libANGLE/renderer/vulkan/SamplerVk.cpp

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• Hash : 1ed999ea
  Author :
  Date : 2025-08-25T16:02:01
  

  Vulkan: Move sampler cache to share group
  
  The sampler cache (and the adjacent yuv-conversion-info cache) were in
  vk::Renderer, but they were not thread safe.
  
  Bug: angleproject:440364873
  Change-Id: I2dc034f2db400f680ca91a9fde509d90f90c957e
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6870736
  Reviewed-by: Charlie Lao <cclao@google.com>
  Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>
  Reviewed-by: Yuxin Hu <yuxinhu@google.com>
  

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• src/libANGLE/renderer/vulkan/SamplerVk.cpp

• //
  // Copyright 2016 The ANGLE Project Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  //
  // SamplerVk.cpp:
  //    Implements the class methods for SamplerVk.
  //
  
  #include "libANGLE/renderer/vulkan/SamplerVk.h"
  
  #include "common/debug.h"
  #include "libANGLE/Context.h"
  #include "libANGLE/renderer/vulkan/ShareGroupVk.h"
  #include "libANGLE/renderer/vulkan/vk_utils.h"
  
  namespace rx
  {
  
  SamplerVk::SamplerVk(const gl::SamplerState &state) : SamplerImpl(state) {}
  
  SamplerVk::~SamplerVk() = default;
  
  void SamplerVk::onDestroy(const gl::Context *context)
  {
      mSampler.reset();
  }
  
  angle::Result SamplerVk::syncState(const gl::Context *context, const bool dirty)
  {
      ContextVk *contextVk = vk::GetImpl(context);
  
      if (mSampler)
      {
          if (!dirty)
          {
              return angle::Result::Continue;
          }
          mSampler.reset();
      }
  
      vk::SamplerDesc desc(contextVk, mState, false, nullptr, static_cast<angle::FormatID>(0));
      ANGLE_TRY(contextVk->getShareGroup()->getSamplerCache().getSampler(contextVk, desc, &mSampler));
  
      return angle::Result::Continue;
  }
  
  }  // namespace rx
  

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