public void Invoke(List <V> vertexData, Rasterizer <F> rasterizer, FragmentStage <F> fragmentStage)
{
List <F> outData = new List <F>();
foreach (var data in vertexData)
{
outData.Add(VertexShader.Invoke(data));
}
rasterizer.Invoke(outData, fragmentStage);
}
public ShaderProgram(Func <V, F> vertexShader, Func <F, Vector4> fragmentShader)
{
_vertexStage = new VertexStage <V, F> {
VertexShader = vertexShader
};
_rasterizer = new Rasterizer <F>();
_fragmentStage = new FragmentStage <F> {
FragmentShader = fragmentShader
};
}
public void Invoke(List <F> vertexOutData, FragmentStage <F> fragmentStage)
{
var triangles = GenerateTriangles(vertexOutData);
const float xDim = 400;
const float xPixelStep = 2.0f / xDim;
const float yDim = 400;
const float yPixelStep = 2.0f / yDim;
var fragments = new List <F> [(int)xDim, (int)yDim];
for (int x = 0; x < xDim; x++)
{
float xPos = -1.0f + x * xPixelStep;
for (int y = 0; y < yDim; y++)
{
float yPos = -1.0f + y * yPixelStep;
fragments[x, y] = new List <F>();
foreach (var triangle in triangles)
{
Vector3 coords = Barycentric(xPos, yPos, triangle);
if (coords.X >= 0 && coords.Y >= 0 && coords.Z >= 0)
{
F data = new F();
data.Interpolate(coords, triangle);
fragments[x, y].Add(data);
}
}
}
}
fragmentStage.Invoke(fragments);
}