Line data    Source code

       1              : // Copyright (c) 2025 Milton McDonald
       2              : // This source code is licensed under the MIT License. See LICENSE file in the
       3              : // project root for details.
       4              : 
       5              : #ifndef ENGINE_LIB_GL_CLEAR_FLAGS_H_
       6              : #define ENGINE_LIB_GL_CLEAR_FLAGS_H_
       7              : 
       8              : #include <bitset>
       9              : #include <utility>
      10              : 
      11              : #include "graphics-engine/i-gl-clear-flags.h"
      12              : 
      13              : namespace graphics_engine::gl_clear_flags {
      14              : 
      15            1 : class GLClearFlags : public IGLClearFlags {
      16              :  public:
      17            2 :   ~GLClearFlags() override = default;
      18              :   auto Set(gl_types::GLClearBit bit) -> GLClearFlags& override;
      19              :   auto Reset(gl_types::GLClearBit bit) -> GLClearFlags& override;
      20              :   [[nodiscard]] auto Test(gl_types::GLClearBit bit) const -> bool override;
      21              : 
      22              :  private:
      23              :   static constexpr int kExpectedNumClearBits = 3;
      24              :   static_assert(
      25              :       std::to_underlying(gl_types::GLClearBit::kNumBits) ==
      26              :           kExpectedNumClearBits,
      27              :       "Fix value of kExpectedNumClearBits to match GLClearBit definition!");
      28              : 
      29              :   std::bitset<kExpectedNumClearBits> flags_;
      30              : };
      31              : 
      32              : }  // namespace graphics_engine::gl_clear_flags
      33              : 
      34              : #endif  // ENGINE_LIB_GL_CLEAR_FLAGS_H_