private void RasterizeBox(vec4[] vertices)
{
CounterTriangules++;
ShaderProgram.VaryingIn = VaryingIn;
float minX = float.PositiveInfinity;
float minY = float.PositiveInfinity;
float maxX = float.NegativeInfinity;
float maxY = float.NegativeInfinity;
for (int v = 0; v < 3; v++)
{
minX = Util.Min(minX, vertices[v].x);
minY = Util.Min(minY, vertices[v].y);
maxX = Util.Max(maxX, vertices[v].x);
maxY = Util.Max(maxY, vertices[v].y);
}
minX = Util.Clamp(minX, 0, Viewport.Width - 1);
minY = Util.Clamp(minY, 0, Viewport.Height - 1);
maxX = Util.Clamp(maxX, 0, Viewport.Width - 1);
maxY = Util.Clamp(maxY, 0, Viewport.Height - 1);
for (int y = (int)minY; y <= maxY; y++)
{
for (int x = (int)minX; x <= maxX; x++)
{
float dpz = vertices[0].z;
if (dpz < DepthBuffer.GetPoint(x, y))
{
VaryingIn[0].x = ((float)x - minX) / (maxX - minX);
VaryingIn[0].y = ((float)y - minY) / (maxY - minY);
if (ShaderProgram.PixelShader())
{
CounterFragments++;
BackBuffer.SetPixel(x, y, ShaderProgram.gl_FragColor);
DepthBuffer.SetPoint(x, y, dpz);
}
}
}
}
}
private void DrawPoint(int x, int y, int color)
{
BackBuffer.SetPixel(x, y, color);
}
