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              : #include "graphics-engine/engine.h"
       6              : 
       7              : #include "error.h"
       8              : #include "glad/glad.h"
       9              : #include "graphics-engine/gl-wrappers.h"
      10              : 
      11              : using ::glm::vec4;
      12              : 
      13              : using ::graphics_engine::error::CheckGLError;
      14              : using ::graphics_engine::error::MakeErrorCode;
      15              : using enum ::graphics_engine::types::ErrorCode;
      16              : using ::graphics_engine::types::Expected;
      17              : 
      18              : using ::std::unexpected;
      19              : 
      20              : namespace graphics_engine::engine {
      21              : 
      22            3 : auto InitializeEngine() -> Expected<void> {
      23            3 :   if (gladLoadGL() == 0) {
      24            1 :     return unexpected(MakeErrorCode(kGladLoadGL));
      25              :   }
      26              : 
      27            2 :   return {};
      28              : }
      29              : 
      30            1 : auto Render() -> Expected<void> {
      31            1 :   glClear(GL_COLOR_BUFFER_BIT);
      32            1 :   assert(glGetError() == GL_NO_ERROR);
      33              : 
      34            1 :   return {};
      35              : }
      36              : 
      37            1 : auto SetBackgroundColor(const vec4& color) -> void {
      38            1 :   glClearColor(color[0], color[1], color[2], color[3]);
      39            1 : }
      40              : 
      41              : }  // namespace graphics_engine::engine