kc3-lang/angle/src/libANGLE/renderer/QueryImpl.h

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• Hash : 6328caf3
  Author :
  Date : 2020-03-24T19:31:02
  

  Vulkan: Avoid renderpass break for occlusion query
  
  This ensures beginQuery and endQuery only get inserted into renderpasses
  and will not close renderpass because of query call
  
  Bug: angleproject:4381
  Change-Id: I690f096b9e8e4b7ea9a67045d1be0fd7a319c98c
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2119246
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  Reviewed-by: Courtney Goeltzenleuchter <courtneygo@google.com>
  Commit-Queue: Charlie Lao <cclao@google.com>
  

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• src/libANGLE/renderer/QueryImpl.h

• //
  // Copyright 2013 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.
  //
  
  // QueryImpl.h: Defines the abstract rx::QueryImpl class.
  
  #ifndef LIBANGLE_RENDERER_QUERYIMPL_H_
  #define LIBANGLE_RENDERER_QUERYIMPL_H_
  
  #include "common/PackedEnums.h"
  #include "common/angleutils.h"
  #include "libANGLE/Error.h"
  
  namespace gl
  {
  class Context;
  }  // namespace gl
  
  namespace rx
  {
  class QueryImpl : angle::NonCopyable
  {
    public:
      explicit QueryImpl(gl::QueryType type) : mType(type) {}
      virtual ~QueryImpl() {}
  
      virtual void onDestroy(const gl::Context *context);
  
      virtual angle::Result begin(const gl::Context *context)                              = 0;
      virtual angle::Result end(const gl::Context *context)                                = 0;
      virtual angle::Result queryCounter(const gl::Context *context)                       = 0;
      virtual angle::Result getResult(const gl::Context *context, GLint *params)           = 0;
      virtual angle::Result getResult(const gl::Context *context, GLuint *params)          = 0;
      virtual angle::Result getResult(const gl::Context *context, GLint64 *params)         = 0;
      virtual angle::Result getResult(const gl::Context *context, GLuint64 *params)        = 0;
      virtual angle::Result isResultAvailable(const gl::Context *context, bool *available) = 0;
  
      gl::QueryType getType() const { return mType; }
  
      // Convenient functions
      bool isOcclusionQuery() const { return isAnySamplesQuery() || isAnySamplesConservativeQuery(); }
      bool isAnySamplesQuery() const { return getType() == gl::QueryType::AnySamples; }
  
      bool isAnySamplesConservativeQuery() const
      {
          return getType() == gl::QueryType::AnySamplesConservative;
      }
  
    private:
      gl::QueryType mType;
  };
  }  // namespace rx
  
  #endif  // LIBANGLE_RENDERER_QUERYIMPL_H_
  

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