void InitFramebuffers()
{
screen_w = Screen.width;
screen_h = Screen.height;
Vector2 simv = GetResolution(sim_resolution);
Vector2 dyev = GetResolution(dye_resolution);
simWidth = (int)simv.x;
simHeight = (int)simv.y;
dyeWidth = (int)dyev.x;
dyeHeight = (int)dyev.y;
FilterMode filtering = supportLinearFiltering?FilterMode.Bilinear:FilterMode.Point;
if (density_dfbo == null)
{
density_dfbo = CreateDoubleFBO(dyeWidth, dyeHeight, 0, format_rgba, filtering);
}
else
{
density_dfbo = ResizeDoubleFBO(density_dfbo, dyeWidth, 0, dyeHeight, format_rgba, filtering);
}
if (velocity_dfbo == null)
{
velocity_dfbo = CreateDoubleFBO(simWidth, simHeight, 0, format_rg, filtering);
}
else
{
velocity_dfbo = ResizeDoubleFBO(velocity_dfbo, simWidth, 0, simHeight, format_rg, filtering);
}
divergence_fbo = CreateFBO(simWidth, simHeight, 0, format_r, filtering);
curl_fbo = CreateFBO(simWidth, simHeight, 0, format_r, filtering);
pressure_dfbo = CreateDoubleFBO(simWidth, simHeight, 0, format_r, filtering);
InitBloomFramebuffers(dyeWidth, dyeHeight, 0, format_rgba, filtering);
}
DoubleFBO ResizeDoubleFBO(DoubleFBO target, int w, int h, int d, RenderTextureFormat format, FilterMode filterMode)
{
target.SetReadFBO(ResizeFBO(target.GetReadFBO(), w, h, 0, format, filterMode));
target.SetWriteFBO(CreateFBO(w, h, 0, format, filterMode));
return(target);
}