protected void DrawLayer(Matrix4 offset, int layer, TextureArray2D texture)
{
Debug.Assert(texture != null);
var finalTransform = offset * GetTransform();
// draw the checkers background
models.GlData.CheckersShader.Bind(finalTransform);
models.GlData.Vao.DrawQuad();
// blend over the final image
GL.Enable(EnableCap.Blend);
GL.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
shader.Bind();
shader.SetTransform(finalTransform);
shader.SetLayer(layer);
shader.SetMipmap(models.Display.ActiveMipmap);
shader.SetGrayscale(models.Display.Grayscale);
shader.SetCrop(models.Export, layer);
models.GlData.BindSampler(shader.GetTextureLocation(), true, models.Display.LinearInterpolation);
texture.Bind(shader.GetTextureLocation());
models.GlData.Vao.DrawQuad();
// disable everything
GL.Disable(EnableCap.Blend);
Program.Unbind();
}
public override void Draw(TextureArray2D texture)
{
// this will draw the checkers background
base.Draw(texture);
GL.Enable(EnableCap.Blend);
GL.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
// bind shader
shader.Bind();
shader.SetTransform(GetTransform());
shader.SetMipmap((float)models.Display.ActiveMipmap);
shader.SetLayer((float)models.Display.ActiveLayer);
shader.SetFarplane(CalcFarplane());
shader.SetGrayscale(models.Display.Grayscale);
shader.SetCrop(models.Export, models.Display.ActiveLayer);
models.GlData.BindSampler(shader.GetTextureLocation(), true, models.Display.LinearInterpolation);
texture.Bind(shader.GetTextureLocation());
models.GlData.Vao.DrawQuad();
GL.Disable(EnableCap.Blend);
Program.Unbind();
}
public void BindSourceImage(TextureArray2D texture, Sampler sampler, int id)
{
sampler.Bind(TextureBindingStart + id);
texture.Bind(TextureBindingStart + id);
// set srgb variable
shader.Bind();
GL.Uniform1(TextureSrgbStart + id, texture.IsSrgb?1:0);
}
protected override void OnRenderFrame(FrameEventArgs e)
{
GL.Enable(EnableCap.DepthTest);
GL.Enable(EnableCap.CullFace);
GL.ClearColor(Color.CornflowerBlue);
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit | ClearBufferMask.StencilBufferBit);
shader.Bind();
Matrix4 worldMat = Matrix4.Identity;
GL.UniformMatrix4(0, false, ref worldMat);
GL.UniformMatrix4(4, false, ref camera.view);
GL.UniformMatrix4(8, false, ref projection);
textureArray.Bind(TextureUnit.Texture0);
WorldRenderer.RenderWorld(world);
SwapBuffers();
}
