description_gles.h

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// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
 
#ifndef FLUTTER_IMPELLER_RENDERER_BACKEND_GLES_DESCRIPTION_GLES_H_
#define FLUTTER_IMPELLER_RENDERER_BACKEND_GLES_DESCRIPTION_GLES_H_
 
#include <set>
#include <string>
 
#include "flutter/fml/macros.h"
#include "impeller/base/version.h"
 
namespace impeller {
 
class ProcTableGLES;
 
class DescriptionGLES {
 public:
  explicit DescriptionGLES(const ProcTableGLES& gl);
 
  ~DescriptionGLES();
 
  bool IsValid() const;
 
  bool IsES() const;
 
  std::string GetString() const;
 
  Version GetGlVersion() const;
 
  bool HasExtension(const std::string& ext) const;
 
  /// @brief      Returns whether GLES includes the debug extension.
  bool HasDebugExtension() const;
 
  bool IsANGLE() const;
 
 private:
  Version gl_version_;
  Version sl_version_;
  bool is_es_ = true;
  std::string vendor_;
  std::string renderer_;
  std::string gl_version_string_;
  std::string sl_version_string_;
  std::set<std::string> extensions_;
  bool is_angle_ = false;
  bool is_valid_ = false;
 
  DescriptionGLES(const DescriptionGLES&) = delete;
 
  DescriptionGLES& operator=(const DescriptionGLES&) = delete;
};
 
}  // namespace impeller
 
#endif  // FLUTTER_IMPELLER_RENDERER_BACKEND_GLES_DESCRIPTION_GLES_H_