protected override void Renderer_ContextCreated(RenderThread sender, ContextCreationEventArgs args) { Log.WriteLine("Context created. Using: " + Gl.GetString(StringName.Renderer) + Gl.GetString(StringName.Version)); Log.WriteLine("Renderer_ContextCreated"); Renderer.TargetWindow.Resize += TargetWindow_Resize; // Load Shaders string vertex = File.ReadAllText("./shaders/hello.vert".Replace('/', Path.DirectorySeparatorChar)); string fragment = File.ReadAllText("./shaders/hello.frag".Replace('/', Path.DirectorySeparatorChar)); // Compile shaders Log.WriteLine("Compiling shader 'hello'..."); shader = new ShaderProgram(vertex, fragment); shader.Compile(); Log.WriteLine("Compiled shader index: %@", LogLevel.Message, shader.ProgramId); // Load vertices and indices vertices = new float[] { 0.0f, 0.5f, 0.0f, // top 0.5f, -0.5f, 0.0f, // bottom right -0.5f, -0.5f, 0.0f, // bottom left }; // Setup global VAO VAO = Gl.GenVertexArray(); Gl.BindVertexArray(VAO); CheckGlErrors("Renderer_ContextCreated:AfterVAO"); // Setup VBO (vertices) VBO = Gl.GenBuffer(); Gl.BindBuffer(BufferTarget.ArrayBuffer, VBO); int size = (sizeof(float) * vertices.Length); // size must be 36 Gl.BufferData(BufferTarget.ArrayBuffer, size, vertices, BufferUsageHint.StaticDraw); CheckGlErrors("Renderer_ContextCreated:AfterBufferDataVBO"); Gl.VertexAttribPointer(0, 3, VertexAttribPointerType.Float, false, 3 * sizeof(float), 0); CheckGlErrors("Renderer_ContextCreated:AfterVAP_VBO"); Gl.EnableVertexAttribArray(0); CheckGlErrors("Renderer_ContextCreated:AfterVBO"); // Unbind Gl.BindVertexArray(0); CheckGlErrors("Renderer_ContextCreated:End"); }
protected override void Renderer_ContextCreated(RenderThread sender, ContextCreationEventArgs args) { Log.WriteLine("Render context created. Continuing initialization..."); Log.WriteLine("Running on OpenGL: %@", LogLevel.Message, Gl.GetString(StringName.Renderer) + Gl.GetString(StringName.Version)); Renderer.TargetWindow.KeyDown += TargetWindow_KeyDown; Renderer.TargetWindow.KeyUp += TargetWindow_KeyUp; CompileShaders(); LoadTextures(); Gl.BlendFunc(BlendingFactor.SrcAlpha, BlendingFactor.OneMinusSrcAlpha); VAO = Gl.GenVertexArray(); Gl.BindVertexArray(VAO); CheckGlErrors("pre-texture"); Gl.ActiveTexture(TextureUnit.Texture0); Gl.BindTexture(TextureTarget.Texture2D, fontAtlasTexture); CheckGlErrors("post-texture"); VBO = Gl.GenBuffer(); Gl.BindBuffer(BufferTarget.ArrayBuffer, VBO); EBO = Gl.GenBuffer(); Gl.BindBuffer(BufferTarget.ElementArrayBuffer, EBO); CheckGlErrors("pre_va_pointer"); Gl.VertexAttribPointer(0, 2, VertexAttribPointerType.Float, false, 12 * sizeof(float), 0 * sizeof(float)); CheckGlErrors("post-va-pointer-0-set"); Gl.EnableVertexAttribArray(0); CheckGlErrors("post-va-pointer-0-enable"); Gl.VertexAttribPointer(1, 2, VertexAttribPointerType.Float, false, 12 * sizeof(float), 2 * sizeof(float)); Gl.EnableVertexAttribArray(1); CheckGlErrors("post-va-pointer-1"); Gl.VertexAttribPointer(2, 4, VertexAttribPointerType.Float, false, 12 * sizeof(float), 4 * sizeof(float)); Gl.EnableVertexAttribArray(2); CheckGlErrors("post-va-pointer-2"); Gl.VertexAttribPointer(3, 4, VertexAttribPointerType.Float, false, 12 * sizeof(float), 8 * sizeof(float)); Gl.EnableVertexAttribArray(3); }