public override void Init()
{
UsePipeline <ForwardRenderPipeline>();
_shader = new RendererShader("Shaders/skybox.vert", "Shaders/skybox.frag");
//txt = Texture.LoadCubeMap("Textures/desert-skybox/#.tga");
txt = RendererTexture.LoadCubeMap("Textures/water-skybox/#.jpg");
vao = new VertexArrayObject(VertexLayoutDefinition.CreateDefinitionFromVertexStruct <VertexDataPos>().BindToShader(_shader));
vao.SetData(BufferData.Create(_vertices));
}
public override void Init()
{
UsePipeline <ForwardRenderPipeline>();
_shader = new RendererShader("Shaders/forward.vert", "Shaders/white.frag");
var layout = VertexLayoutDefinition.CreateDefinitionFromVertexStruct <VertexDataPosNormalUV>().BindToShader(_shader);
vao = new VertexArrayObject(layout);
vao.SetData(BufferData.Create(_vertices));
}
public override void Init()
{
UsePipeline <ScreenPipeline>();
_shader = new RendererShader("Shaders/screen.vert", "Shaders/screen.frag");
var layout = VertexLayoutDefinition.CreateDefinitionFromVertexStruct <VertexDataPos2UV>();
vao = new VertexArrayObject(layout.BindToShader(_shader));
vao.SetData(BufferData.Create(_vertices));
}
public override void Init()
{
var width = RenderContext.Current.ScreenPixelSize.X;
var height = RenderContext.Current.ScreenPixelSize.Y;
GBuffer = new FrameBuffer(width, height);
GBuffer.ObjectLabel = nameof(GBuffer);
//GBuffer.InitNormal();
// R11fG11fB10f --> rgba16f
// Warning: R11fG11fB10f has no sign bit!
GPosition = new RendererTexture(nameof(GPosition), TextureTarget.Texture2D, 0, PixelInternalFormat.Rgb16f, width, height, 0, PixelFormat.Rgb, PixelType.Float, IntPtr.Zero);
GPosition.SetNearestFilter();
GBuffer.DestinationTextures.Add(GPosition);
GBuffer.BindTexture(GPosition, FramebufferAttachment.ColorAttachment0);
GNormal = new RendererTexture(nameof(GNormal), TextureTarget.Texture2D, 0, PixelInternalFormat.Rgb16f, width, height, 0, PixelFormat.Rgb, PixelType.Float, IntPtr.Zero);
GNormal.SetNearestFilter();
GBuffer.DestinationTextures.Add(GNormal);
GBuffer.BindTexture(GNormal, FramebufferAttachment.ColorAttachment1);
GAlbedoSpec = new RendererTexture(nameof(GAlbedoSpec), TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba, width, height, 0, PixelFormat.Rgba, PixelType.UnsignedByte, IntPtr.Zero);
GAlbedoSpec.SetNearestFilter();
GBuffer.DestinationTextures.Add(GAlbedoSpec);
GBuffer.BindTexture(GAlbedoSpec, FramebufferAttachment.ColorAttachment2);
GMaterial = new RendererTexture(nameof(GMaterial), TextureTarget.Texture2D, 0, PixelInternalFormat.R11fG11fB10f, width, height, 0, PixelFormat.Rgb, PixelType.Float, IntPtr.Zero);
GMaterial.SetNearestFilter();
GBuffer.DestinationTextures.Add(GMaterial);
GBuffer.BindTexture(GMaterial, FramebufferAttachment.ColorAttachment3);
GL.DrawBuffers(4, new DrawBuffersEnum[]
{
DrawBuffersEnum.ColorAttachment0,
DrawBuffersEnum.ColorAttachment1,
DrawBuffersEnum.ColorAttachment2,
DrawBuffersEnum.ColorAttachment3,
});
// var rboDepth = new RenderBuffer(gBuffer, RenderbufferStorage.DepthComponent, FramebufferAttachment.DepthAttachment);
// rboDepth.ObjectLabel = nameof(rboDepth);
// Attach default Forward Depth Buffer to this Framebuffer, so both share the same depth informations.
var fwPipe = RenderContext.Current.GetPipeline <ForwardRenderPipeline>();
GL.FramebufferRenderbuffer(FramebufferTarget.Framebuffer, FramebufferAttachment.DepthAttachment, RenderbufferTarget.Renderbuffer, fwPipe.FrameBuffer.RenderBuffer.Handle);
GBuffer.Check();
_DefLightShader = new RendererShader("Shaders/deferred-shading.vert", "Shaders/deferred-shading.frag", null, false);
if (Renderer.Current.UseShadows)
{
_DefLightShader.SetDefine("USE_SHADOW");
}
_DefLightShader.Compile();
_DefLightShader.SetInt("gPosition", 0);
_DefLightShader.SetInt("gNormal", 1);
_DefLightShader.SetInt("gAlbedoSpec", 2);
_DefLightShader.SetInt("gMaterial", 3);
vbo = new VertexBufferObject();
vbo.Create();
vbo.Bind();
var layout = VertexLayoutDefinition.CreateDefinitionFromVertexStruct <VertexDataPos2UV>();
vao = new VertexArrayObject(layout.BindToShader(_DefLightShader), vbo);
vao.Create();
vao.SetData(BufferData.Create(_vertices));
}
public void Render()
{
//--
var ubo = new UniformBufferObject();
ubo.Create();
// if (RenderContext.LightObjects.Count >= 2)
// {
// var lightsData = new GlslLight[2];
// lightsData[0].Position = RenderContext.LightObjects[0].Position;
// lightsData[0].Color = new Vector3(0.5f, 0.5f, 0.5f);
// lightsData[0].ShadowLayer = RenderContext.LightObjects[0].ShadowTextureIndex;
// lightsData[0].DirectionalLight = RenderContext.LightObjects[0].LightType == LightType.Directional ? 1 : 0;
// lightsData[0].LightSpaceMatrix = Matrix4.Transpose(RenderContext.LightObjects[0].LightCamera.ViewMatrix * RenderContext.LightObjects[0].LightCamera.ProjectionMatrix);
// lightsData[0].Linear = 0.1f;
// lightsData[0].Quadric = 0f;
// lightsData[1].Position = RenderContext.LightObjects[1].Position;
// lightsData[1].Color = new Vector3(0.5f, 0.5f, 0.5f);
// lightsData[1].ShadowLayer = RenderContext.LightObjects[1].ShadowTextureIndex;
// lightsData[1].DirectionalLight = RenderContext.LightObjects[1].LightType == LightType.Directional ? 1 : 0;
// lightsData[1].LightSpaceMatrix = Matrix4.Transpose(RenderContext.LightObjects[1].LightCamera.ViewMatrix * RenderContext.LightObjects[1].LightCamera.ProjectionMatrix);
// lightsData[1].Linear = 0.1f;
// lightsData[1].Quadric = 0f;
// ubo.SetData(BufferData.Create(lightsData));
// ubo.SetBindingPoint(RenderContext.LightBinding);
// }
if (RenderContext.LightObjects.Count > 0)
{
var lightDataList = new List <GlslLight>();
foreach (var light in RenderContext.LightObjects)
{
var lightData = new GlslLight();
lightData.Position = light.Position;
lightData.Color = light.Color;
lightData.ShadowLayer = light.ShadowTextureIndex;
lightData.DirectionalLight = light.LightType == LightType.Directional ? 1 : 0;
lightData.LightSpaceMatrix = Matrix4.Transpose(light.LightCamera.ViewMatrix * light.LightCamera.ProjectionMatrix);
lightData.Linear = light.Linear;
lightData.Quadric = light.Quadric;
lightData.FarPlane = light.LightCamera.FarPlane;
lightData.Direction = light.Direction.Normalized();
lightDataList.Add(lightData);
}
ubo.SetData(BufferData.Create(lightDataList.ToArray()));
ubo.SetBindingPoint(RenderContext.LightBinding);
}
//--
GL.Enable(EnableCap.DepthTest);
//--
RenderContext.InitRender();
RenderContext.Render();
RenderContext.OnWorldRendered();
//--
// Configure
// Render objects
// Render Screen Surface
//CheckForProgramError();
ubo.Free();
if (FlushRenderBackend == FlushRenderBackend.End)
{
GL.Finish();
}
}