public void CreateShaderProgramSequential()
{
using (var thread0Window = Device.CreateWindow(1, 1))
using (var thread1Window = Device.CreateWindow(1, 1))
using (var window = Device.CreateWindow(1, 1))
using (ShaderProgramFactory factory0 = new ShaderProgramFactory(thread0Window.Context, ShaderSources.PassThroughVertexShader(), ShaderSources.PassThroughFragmentShader()))
using (ShaderProgramFactory factory1 = new ShaderProgramFactory(thread1Window.Context, ShaderSources.PassThroughVertexShader(), ShaderSources.PassThroughFragmentShader()))
{
Thread t0 = new Thread(factory0.Create);
t0.Start();
t0.Join();
Thread t1 = new Thread(factory1.Create);
t1.Start();
t1.Join();
using (Framebuffer framebuffer = TestUtility.CreateFramebuffer(window.Context))
using (VertexArray va = TestUtility.CreateVertexArray(window.Context, factory0.ShaderProgram.VertexAttributes["position"].Location))
{
window.Context.Framebuffer = framebuffer;
window.Context.Draw(PrimitiveType.Points, 0, 1, new DrawState(TestUtility.CreateRenderStateWithoutDepthTest(), factory0.ShaderProgram, va), new SceneState());
TestUtility.ValidateColor(framebuffer.ColorAttachments[0], 255, 0, 0);
window.Context.Clear(new ClearState());
window.Context.Draw(PrimitiveType.Points, 0, 1, new DrawState(TestUtility.CreateRenderStateWithoutDepthTest(), factory1.ShaderProgram, va), new SceneState());
TestUtility.ValidateColor(framebuffer.ColorAttachments[0], 255, 0, 0);
}
}
}
public void CreateShaderProgramParallel()
{
using (var thread0Window = Device.CreateWindow(1, 1))
using (var thread1Window = Device.CreateWindow(1, 1))
using (var window = Device.CreateWindow(1, 1))
using (ShaderProgramFactory factory0 = new ShaderProgramFactory(thread0Window.Context, ShaderSources.PassThroughVertexShader(), ShaderSources.PassThroughFragmentShader()))
using (ShaderProgramFactory factory1 = new ShaderProgramFactory(thread1Window.Context, ShaderSources.PassThroughVertexShader(), ShaderSources.PassThroughFragmentShader()))
{
Thread t0 = new Thread(factory0.Create);
t0.Start();
Thread t1 = new Thread(factory1.Create);
t1.Start();
t0.Join();
t1.Join();
using (Framebuffer framebuffer = TestUtility.CreateFramebuffer(window.Context))
using (VertexArray va = TestUtility.CreateVertexArray(window.Context, factory0.ShaderProgram.VertexAttributes["position"].Location))
{
window.Context.Framebuffer = framebuffer;
window.Context.Draw(PrimitiveType.Points, 0, 1, new DrawState(TestUtility.CreateRenderStateWithoutDepthTest(), factory0.ShaderProgram, va), new SceneState());
TestUtility.ValidateColor(framebuffer.ColorAttachments[0], 255, 0, 0);
window.Context.Clear(new ClearState());
window.Context.Draw(PrimitiveType.Points, 0, 1, new DrawState(TestUtility.CreateRenderStateWithoutDepthTest(), factory1.ShaderProgram, va), new SceneState());
TestUtility.ValidateColor(framebuffer.ColorAttachments[0], 255, 0, 0);
}
}
}
/// <summary>
/// Creates a default model with the given vertices. If no shader is provided, a default will be used assuming a position and color
/// </summary>
/// <typeparam name="TVertex">The vertex data type</typeparam>
/// <param name="vertexData">the vertices to load to the associated VBO</param>
/// <returns>A <see cref="Model"/> instance</returns>
public static Model CreateModel <TVertex>(TVertex[] vertexData) where TVertex : struct
{
var vbo = VertexBuffer.CreateVertexBuffer();
vbo.LoadData(vertexData);
var vao = VertexArray.CreateVertexArray();
vao.Bind();
var shaderProgram = ShaderProgramFactory.CreateDefault2DShaderProgram();
return(new Model(vao, vbo, shaderProgram));
}
public static Model CreateModel <TVertex>(Texture texture, TVertex[] vertexData, int[] indices) where TVertex : struct
{
var shader = ShaderProgramFactory.CreateDefault2DShaderProgramWithTexture();
var vbo = VertexBuffer.CreateVertexBuffer();
vbo.LoadData(vertexData);
var vao = VertexArray.CreateVertexArray();
vao.Bind();
shader.Use();
shader.SetVertexAttributes();
vbo.Bind();
texture.Bind();
var ebo = ElementBuffer.CreateElementBuffer(indices);
var model = new Model(vao, vbo, ebo, shader);
return(model);
}
public override void Setup()
{
GL.Enable(EnableCap.DepthTest);
GL.ClearColor(0.4f, 0.7f, 0.9f, 0.5f);
var vertices = new ColoredTexturedVertex[] {
new ColoredTexturedVertex(new Vector3(0.5f, 0.5f, 0.0f), Color4.Blue, new Vector2(1.0f, 1.0f)),
new ColoredTexturedVertex(new Vector3(0.5f, -0.5f, 0.0f), Color4.Green, new Vector2(1.0f, 0.0f)),
new ColoredTexturedVertex(new Vector3(-0.5f, -0.5f, 0.0f), Color4.Red, new Vector2(0.0f, 0.0f)),
new ColoredTexturedVertex(new Vector3(-0.5f, 0.5f, 0.0f), Color4.Yellow, new Vector2(0.0f, 1.0f))
};
var indices = new int [] {
0, 1, 3,
1, 2, 3
};
var vao = VertexArray.CreateVertexArray();
vao.Bind();
_vao = vao;
var vbo = VertexBuffer.CreateVertexBuffer();
vbo.LoadData(vertices);
_vbo = vbo;
var ebo = ElementBuffer.CreateElementBuffer();
ebo.LoadData(indices);
_ebo = ebo;
var shader = ShaderProgramFactory.CreateDefault3DShaderProgramWithTexture();
_shader = shader;
var texture0 = Texture.LoadTexture("Assets/Textures/container.png");
texture0.Bind(0);
var texture1 = Texture.LoadTexture("Assets/Textures/awesomeface.png");
texture1.Bind(1);
_shader.SetInt("texture1", 0);
_shader.SetInt("texture2", 1);
base.Setup();
}
/// <summary>
/// Builds the shader(s) and passes required buffer array sizes.
/// </summary>
private void BuildShaders()
{
#if (DEBUG)
using (new DisposableStopwatch(MethodBase.GetCurrentMethod().Name, true))
#endif
{
Dictionary <int, EBufferTypes> bufferTypes = new();
bufferTypes.Add(0, EBufferTypes.VertexArrayObject);
bufferTypes.Add(1, EBufferTypes.VertexArrayObject);
bufferTypes.Add(2, EBufferTypes.VertexArrayObject);
triangleAndPointShader = ShaderProgramFactory.BuildTriangleAndPointShaderProgram("shaders/shader.vert", "shaders/shader.frag", bufferTypes);
triangleAndPointShader.CurrentBuffer = 0;
triangleAndPointShader.Vertexes = new float[stars.StarVertexesCount];
triangleAndPointShader.Indexes = new uint[stars.StarIndexesCount];
triangleAndPointShader.CurrentBuffer = 1;
triangleAndPointShader.Vertexes = new float[spectrumBars.SpectrumBarVertexesCount];
triangleAndPointShader.Indexes = new uint[spectrumBars.SpectrumBarIndexesCount];
bufferTypes.Clear();
bufferTypes.Add(0, EBufferTypes.VertexArrayObject);
textureShader = ShaderProgramFactory.BuildTextureShaderProgram("shaders/textureShader.vert", "shaders/textureShader.frag", bufferTypes);
}
}
