public RenderWindow(string Title, int W, int H, bool NoBorder = false) :
base(W, H, new GraphicsMode(new ColorFormat(32), 24, 8, 4, ColorFormat.Empty, 2, false), Title,
GameWindowFlags.FixedWindow, DisplayDevice.Default, 4, 5, GraphicsContextFlags.Debug | GraphicsContextFlags.ForwardCompatible)
{
GL.Enable(EnableCap.FramebufferSrgb);
//GL.ClampColor(ClampColorTarget.ClampReadColor, ClampColorMode.FixedOnly);
//GL.Enable((EnableCap)GL_CONSERVATIVE_RASTERIZATION_NV);
CheckError();
UICam = new Camera();
UICam.Projection = Matrix4.CreateOrthographicOffCenter(0, 1, 0, 1, -2, 2);
SSAOShader = new ShaderProgram("basegame\\shaders\\ssao");
PostShader = new ShaderProgram("basegame\\shaders\\post");
ScreenQuad = new RenderObject(DrawPrimitiveType.Triangles);
ScreenQuad.BindBuffer(0, new VertexBuffer().SetData(new Vector3[] {
new Vector3(0, 0, 0),
new Vector3(0, 1, 0),
new Vector3(1, 1, 0),
new Vector3(0, 0, 0),
new Vector3(1, 1, 0),
new Vector3(1, 0, 0)
}));
ScreenQuad.BindBuffer(1, DataBuffer.CreateFromData(new Vector2[] {
new Vector2(0, 0),
new Vector2(0, 1),
new Vector2(1, 1),
new Vector2(0, 0),
new Vector2(1, 1),
new Vector2(1, 0)
}));
ScreenQuad.BindIndexBuffer(new IndexBuffer().SetSequence(6));
GFrameBuffer = new FrameBuffer();
{
PositionBuffer = new Texture2D(TexFilterMode.Nearest);
PositionBuffer.LoadData(W, H, IntPtr.Zero, PixelInternalFormat.Rgb32f, PixelFormat.Rgb, PixelType.Float);
PositionBuffer.Resident = true;
GFrameBuffer.BindTexture(PositionBuffer, FramebufferAttachment.ColorAttachment0);
ColorBuffer = new Texture2D(TexFilterMode.Nearest);
ColorBuffer.LoadData(W, H, IntPtr.Zero);
ColorBuffer.Resident = true;
GFrameBuffer.BindTexture(ColorBuffer, FramebufferAttachment.ColorAttachment1);
MetallicRoughnessAOHeightBuffer = new Texture2D(TexFilterMode.Nearest);
MetallicRoughnessAOHeightBuffer.LoadData(W, H, IntPtr.Zero, PixelInternalFormat.Rgba32f, PixelFormat.Rgba, PixelType.Float);
MetallicRoughnessAOHeightBuffer.Resident = true;
GFrameBuffer.BindTexture(MetallicRoughnessAOHeightBuffer, FramebufferAttachment.ColorAttachment2);
NormalBuffer = new Texture2D(TexFilterMode.Nearest);
NormalBuffer.LoadData(W, H, IntPtr.Zero, PixelInternalFormat.Rgb16f, PixelFormat.Rgb, PixelType.Float);
NormalBuffer.Resident = true;
GFrameBuffer.BindTexture(NormalBuffer, FramebufferAttachment.ColorAttachment3);
EmissiveBuffer = new Texture2D(TexFilterMode.Nearest);
EmissiveBuffer.LoadData(W, H, IntPtr.Zero, PixelInternalFormat.Rgb, PixelFormat.Rgb);
EmissiveBuffer.Resident = true;
GFrameBuffer.BindTexture(EmissiveBuffer, FramebufferAttachment.ColorAttachment4);
/*HeightBuffer = new Texture2D(TexFilterMode.Nearest);
* HeightBuffer.LoadData(W, H, IntPtr.Zero, PixelInternalFormat.R16f, PixelFormat.Red, PixelType.Float);
* HeightBuffer.Resident = true;
* GFrameBuffer.BindTexture(HeightBuffer, FramebufferAttachment.ColorAttachment7);*/
DepthBuffer = new RenderBuffer(RenderbufferStorage.DepthComponent, W, H);
GFrameBuffer.BindRenderBuffer(DepthBuffer, FramebufferAttachment.DepthAttachment);
GFrameBuffer.DrawBuffer(DrawBuffersEnum.ColorAttachment0, DrawBuffersEnum.ColorAttachment1, DrawBuffersEnum.ColorAttachment2, DrawBuffersEnum.ColorAttachment3,
DrawBuffersEnum.ColorAttachment4);
}
SSAOFrameBuffer = new FrameBuffer();
{
SSAOBuffer = new Texture2D(TexFilterMode.Linear, TexWrapMode.ClampToEdge);
SSAOBuffer.LoadData(W, H, IntPtr.Zero, PixelInternalFormat.R32f, PixelFormat.Red, PixelType.Float);
SSAOBuffer.Resident = true;
SSAOFrameBuffer.BindTexture(SSAOBuffer, FramebufferAttachment.ColorAttachment0);
}
Random Rnd = new Random();
SSAOKernel = new Vector3[64];
for (int i = 0; i < SSAOKernel.Length; i++)
{
Vector3 Sample = new Vector3((float)Rnd.NextDouble() * 2 - 1, (float)Rnd.NextDouble() * 2 - 1, (float)Rnd.NextDouble());
Sample.Normalize();
Sample *= (float)Rnd.NextDouble();
float Scale = (float)i / SSAOKernel.Length;
Scale = MathFuncs.Lerp(0.1f, 1.0f, Scale * Scale);
Sample *= Scale;
SSAOKernel[i] = Sample;
}
CheckError();
}