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

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• Hash : f4a789f9
  Author :
  Date : 2018-10-18T16:56:20
  

  Use angle::Result in front-end (Part 6)
  
  Refactors the gl::Program, gl::Compiler and gl::Query classes.
  
  Bug: angleproject:2491
  Change-Id: I96acecdc6af301a89201bd7f5222a180433e5eb2
  Reviewed-on: https://chromium-review.googlesource.com/c/1289711
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  Commit-Queue: Jamie Madill <jmadill@chromium.org>
  

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

• //
  // 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.
  //
  // QueryVk.h:
  //    Defines the class interface for QueryVk, implementing QueryImpl.
  //
  
  #ifndef LIBANGLE_RENDERER_VULKAN_QUERYVK_H_
  #define LIBANGLE_RENDERER_VULKAN_QUERYVK_H_
  
  #include "libANGLE/renderer/QueryImpl.h"
  #include "libANGLE/renderer/vulkan/vk_helpers.h"
  
  namespace rx
  {
  
  class QueryVk : public QueryImpl
  {
    public:
      QueryVk(gl::QueryType type);
      ~QueryVk() override;
  
      void onDestroy(const gl::Context *context) override;
  
      angle::Result begin(const gl::Context *context) override;
      angle::Result end(const gl::Context *context) override;
      angle::Result queryCounter(const gl::Context *context) override;
      angle::Result getResult(const gl::Context *context, GLint *params) override;
      angle::Result getResult(const gl::Context *context, GLuint *params) override;
      angle::Result getResult(const gl::Context *context, GLint64 *params) override;
      angle::Result getResult(const gl::Context *context, GLuint64 *params) override;
      angle::Result isResultAvailable(const gl::Context *context, bool *available) override;
  
    private:
      angle::Result getResult(const gl::Context *context, bool wait);
  
      // Used for AnySamples, AnySamplesConservative, Timestamp and TimeElapsed (end)
      vk::QueryHelper mQueryHelper;
      // An additional query used for TimeElapsed (begin), as it is implemented using Timestamp
      vk::QueryHelper mQueryHelperTimeElapsedBegin;
      uint64_t mCachedResult;
      bool mCachedResultValid;
  };
  
  }  // namespace rx
  
  #endif  // LIBANGLE_RENDERER_VULKAN_QUERYVK_H_
  

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