75 lines
1.7 KiB
C++
75 lines
1.7 KiB
C++
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#include <glad/glad.h>
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#include "Renderer.h"
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#include "Engine.h"
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RendererData Renderer::s_Data;
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Renderer::Renderer() = default;
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Renderer::~Renderer()
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{
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Shutdown();
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}
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void Renderer::Init()
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{
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if (!gladLoadGLLoader((GLADloadproc)glfwGetProcAddress)) {
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std::cerr << "Failed to initialize GLAD" << std::endl;
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return;
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}
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LoadShaders();
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SetupBuffers();
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}
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void Renderer::LoadShaders()
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{
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s_Data.m_Shader = new Shader(RESOURCES_PATH"shaders/shader.vs", RESOURCES_PATH"shaders/shader.fs");
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}
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void Renderer::SetupBuffers()
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{
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float vertices[] = {
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0.5f, -0.5f, 0.0f, 1.0f, 0.0f, 0.0f,
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-0.5f, -0.5f, 0.0f, 0.0f, 1.0f, 0.0f,
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0.0f, 0.5f, 0.0f, 0.0f, 0.0f, 1.0f
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};
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s_Data.m_FBO = new FrameBuffer(FrameBuffer::Create(Engine::Get().GetWindow().GetWidth(), Engine::Get().GetWindow().GetHeight()));
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s_Data.m_VAO = new VertexArray();
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s_Data.m_VBO = new VertexBuffer();
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s_Data.m_VAO->Bind();
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s_Data.m_VBO->SetData(sizeof(vertices), vertices);
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glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 6 * sizeof(float), (void*)0);
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glEnableVertexAttribArray(0);
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glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, 6 * sizeof(float), (void*)(3 * sizeof(float)));
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glEnableVertexAttribArray(1);
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VertexArray::Unbind();
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VertexBuffer::Unbind();
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}
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void Renderer::Render() {
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glClearColor(0.0f, 0.1f, 0.2f, 1.0f);
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glClear(GL_COLOR_BUFFER_BIT);
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s_Data.m_FBO->Bind();
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s_Data.m_Shader->Use();
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s_Data.m_VAO->Bind();
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glDrawArrays(GL_TRIANGLES, 0, 3);
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FrameBuffer::Unbind();
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}
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void Renderer::Shutdown()
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{
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s_Data.m_VAO->Shutdown();
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s_Data.m_VBO->Shutdown();
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s_Data.m_FBO->Shutdown();
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s_Data.m_Shader->Shutdown();
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}
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