public void SetUniforms(Renderer renderer, ShaderPool.ShaderPack pack)
{
for (int i = 0; i < pack.ProgramsList.Length; i++)
{
var shader = pack.ProgramsList[i];
if (!shader.Compiled)
{
continue;
}
shader.Use();
shader.SetUniform("VPMatrix", Camera.Current.GetVPMatrix());
Camera.Current.SetUniforms();
shader.SetUniform("Time", (float)(DateTime.Now - Game.StartTime).TotalMilliseconds / 1000);
shader.SetUniform("resolution", new Vector2(renderer.Width, renderer.Height));
shader.SetUniform("CameraPosition", Camera.Current.Transformation.GetPosition());
shader.SetUniform("CameraDirection", Camera.Current.Transformation.GetOrientation().ToDirection());
shader.SetUniform("CameraTangentUp", Camera.Current.Transformation.GetOrientation().GetTangent(MathExtensions.TangentDirection.Up));
shader.SetUniform("CameraTangentLeft", Camera.Current.Transformation.GetOrientation().GetTangent(MathExtensions.TangentDirection.Left));
}
}
public Voxel3dTextureWriter(int gridsizeX, int gridsizeY, int gridsizeZ, Vector3 boxsize, Vector3 staticPosition)
{
GridSizeX = gridsizeX;
GridSizeY = gridsizeY;
GridSizeZ = gridsizeZ;
MapPosition = staticPosition;
BoxSize = boxsize;
TextureResolverShader = new ComputeShader("Texture3DResolve.compute.glsl");
//TextureResolverNormalShader = new ComputeShader("Texture3DResolveNormal.compute.glsl");
TextureMipmapShader = new ComputeShader("Texture3DMipmap.compute.glsl");
TextureRed = new Texture3D(gridsizeX, gridsizeY, gridsizeZ);
TextureGreen = new Texture3D(gridsizeX, gridsizeY, gridsizeZ);
TextureBlue = new Texture3D(gridsizeX, gridsizeY, gridsizeZ);
/*
* TextureNormalX = new Texture3D(gridsize, gridsize, gridsize)
* {
* ColorInternalFormat = PixelInternalFormat.R32i,
* ColorPixelFormat = PixelFormat.RedInteger,
* ColorPixelType = PixelType.Int
* };
* TextureNormalY = new Texture3D(gridsize, gridsize, gridsize)
* {
* ColorInternalFormat = PixelInternalFormat.R32i,
* ColorPixelFormat = PixelFormat.RedInteger,
* ColorPixelType = PixelType.Int
* };
* TextureNormalZ = new Texture3D(gridsize, gridsize, gridsize)
* {
* ColorInternalFormat = PixelInternalFormat.R32i,
* ColorPixelFormat = PixelFormat.RedInteger,
* ColorPixelType = PixelType.Int
* };
* TextureNormalResolved = new Texture3D(gridsize, gridsize, gridsize)
* {
* ColorInternalFormat = PixelInternalFormat.Rgba16f,
* ColorPixelFormat = PixelFormat.Rgba,
* ColorPixelType = PixelType.HalfFloat
* };
*/
TextureCount = new Texture3D(gridsizeX, gridsizeY, gridsizeZ);
/*
* TEXTURE LAYOUT:
* 1 - Initial - RES / 1 - 256
* 2 - Blurred 2 PX 1 res / 2 128
* 3 - Blurred 2 PX 2 res / 2 64
* 4 - Blurred 2 PX 3 res / 2 32
*/
TextureResolvedMipMaps = new List <Texture3D>();
int szx = gridsizeX;
int szy = gridsizeY;
int szz = gridsizeZ;
//while(szx > 8 && szy > 8 && szz > 8)
for (int i = 0; i < 4; i++)
{
TextureResolvedMipMaps.Add(new Texture3D(szx, szy, szz)
{
ColorInternalFormat = PixelInternalFormat.Rgba16f,
ColorPixelFormat = PixelFormat.Rgba,
ColorPixelType = PixelType.HalfFloat
});
szx = szx / 2;
szy = szy / 2;
szz = szz / 2;
}
FBO = new Framebuffer(512, 512, true)
{
};
XForward = Matrix4.LookAt(Vector3.Zero, Vector3.UnitX, Vector3.UnitY).ExtractRotation();
YForward = Matrix4.LookAt(Vector3.Zero, Vector3.UnitY, Vector3.UnitZ).ExtractRotation();
ZForward = Matrix4.LookAt(Vector3.Zero, Vector3.UnitZ, Vector3.UnitY).ExtractRotation();
Vector3 boxhalf = boxsize * 0.5f;
RenderingCameraX = new Camera();
RenderingCameraX.UpdatePerspectiveOrtho(-boxhalf.X, boxhalf.X, -boxhalf.Y, boxhalf.Y, boxhalf.Z, -boxhalf.Z);
RenderingCameraX.SetOrientation(XForward);
RenderingCameraX.SetPosition(MapPosition);
RenderingCameraX.Update();
RenderingCameraY = new Camera();
RenderingCameraY.UpdatePerspectiveOrtho(-boxhalf.X, boxhalf.X, -boxhalf.Z, boxhalf.Z, boxhalf.Y, -boxhalf.Y);
RenderingCameraY.SetOrientation(YForward);
RenderingCameraY.SetPosition(MapPosition);
RenderingCameraY.Update();
RenderingCameraZ = new Camera();
RenderingCameraZ.UpdatePerspectiveOrtho(-boxhalf.X, boxhalf.X, -boxhalf.Y, boxhalf.Y, boxhalf.Z, -boxhalf.Z);
RenderingCameraZ.SetOrientation(ZForward);
RenderingCameraZ.SetPosition(MapPosition);
RenderingCameraZ.Update();
Shader = new ShaderPool.ShaderPack("Voxel3dTextureWriter.fragment.glsl");
}