kc3-lang/angle/src/libANGLE/renderer/vulkan/PersistentCommandPool.h

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• Hash : 087f1384
  Author :
  Date : 2019-09-26T10:19:36
  

  Vulkan: Introduce CommandQueue helper class.
  
  Wraps the functionality of managing monitoring workloads of commands
  being sent to the VkQueue. In the future this will likely move to the
  RendererVk class. This refactor allows the move to be easier to manage
  and will let us more easily change ownership in the future if we have
  to again.
  
  Bug: angleproject:2464
  Change-Id: I061bc2ba939d7004d74d00b976a753a53c96445c
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1804884
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  Commit-Queue: Jamie Madill <jmadill@chromium.org>
  

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• src/libANGLE/renderer/vulkan/PersistentCommandPool.h

• //
  // Copyright 2019 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.
  //
  // PersistentCommandPool.h:
  //    Defines the class interface for PersistentCommandBuffer
  //
  
  #ifndef LIBANGLE_RENDERER_VULKAN_PERSISTENTCOMMANDPOOL_H_
  #define LIBANGLE_RENDERER_VULKAN_PERSISTENTCOMMANDPOOL_H_
  
  #include <vector>
  
  #include "libANGLE/renderer/vulkan/vk_utils.h"
  #include "libANGLE/renderer/vulkan/vk_wrapper.h"
  
  namespace rx
  {
  
  namespace vk
  {
  
  class PersistentCommandPool final
  {
    public:
      PersistentCommandPool();
      ~PersistentCommandPool();
  
      void destroy(VkDevice device);
      angle::Result init(vk::Context *context, uint32_t queueFamilyIndex);
  
      angle::Result allocate(vk::Context *context, vk::PrimaryCommandBuffer *commandBufferOut);
      angle::Result collect(vk::Context *context, vk::PrimaryCommandBuffer &&buffer);
  
      bool valid() const { return mCommandPool.valid(); }
  
    private:
      angle::Result allocateCommandBuffer(vk::Context *context);
  
      std::vector<vk::PrimaryCommandBuffer> mFreeBuffers;
  
      vk::CommandPool mCommandPool;
  
      static const int kInitBufferNum = 2;
  };
  
  }  // namespace vk
  
  }  // namespace rx
  
  #endif
  

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