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

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• Author : Ian Ewell
  Date : 2016-01-22 16:09:42
  Hash : 3ffd78bc
  Message : Add initial support for EXT_disjoint_timer_query. Basic timer queries are supported and tested in the OpenGL backend but are not enabled by default. A good portion of the existing query code was also refactored for improved validation - specifically for validating that the appropriate extensions are available. BUG=angleproject:1265 Change-Id: Iebae994cd7a8d3ed3e9fc3776fe2f3d99caa9237 Reviewed-on: https://chromium-review.googlesource.com/323450 Reviewed-by: Jamie Madill <jmadill@chromium.org> Reviewed-by: Geoff Lang <geofflang@chromium.org> Tryjob-Request: Ian Ewell <ewell@google.com> Tested-by: Ian Ewell <ewell@google.com>

• src/libANGLE/renderer/QueryImpl.h

• //
  // Copyright (c) 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 "libANGLE/Error.h"
  
  #include "common/angleutils.h"
  
  #include <GLES2/gl2.h>
  
  namespace rx
  {
  
  class QueryImpl : angle::NonCopyable
  {
    public:
      explicit QueryImpl(GLenum type) { mType = type; }
      virtual ~QueryImpl() { }
  
      virtual gl::Error begin() = 0;
      virtual gl::Error end() = 0;
      virtual gl::Error queryCounter() = 0;
      virtual gl::Error getResult(GLint *params) = 0;
      virtual gl::Error getResult(GLuint *params) = 0;
      virtual gl::Error getResult(GLint64 *params) = 0;
      virtual gl::Error getResult(GLuint64 *params) = 0;
      virtual gl::Error isResultAvailable(bool *available) = 0;
  
      GLenum getType() const { return mType;  }
  
    private:
      GLenum mType;
  };
  
  }
  
  #endif // LIBANGLE_RENDERER_QUERYIMPL_H_