public RhinoGltfMetallicRoughnessConverter(System.Drawing.Bitmap bmp, Rhino.RhinoDoc doc, string name)
{
System.Drawing.Bitmap metalnessBitmap = new System.Drawing.Bitmap(bmp.Width, bmp.Height);
System.Drawing.Bitmap roughnessBitmap = new System.Drawing.Bitmap(bmp.Width, bmp.Height);
for (int i = 0; i < bmp.Width; i++)
{
for (int j = 0; j < bmp.Height; j++)
{
System.Drawing.Color color = bmp.GetPixel(i, j);
byte metalness = color.B;
byte roughness = color.G;
metalnessBitmap.SetPixel(i, j, System.Drawing.Color.FromArgb(metalness, metalness, metalness));
roughnessBitmap.SetPixel(i, j, System.Drawing.Color.FromArgb(roughness, roughness, roughness));
}
}
MetallicTexture = Rhino.Render.RenderTexture.NewBitmapTexture(metalnessBitmap, doc);
MetallicTexture.BeginChange(Rhino.Render.RenderContent.ChangeContexts.Program);
MetallicTexture.Name = name + "-Metallic";
MetallicTexture.EndChange();
RoughnessTexture = Rhino.Render.RenderTexture.NewBitmapTexture(roughnessBitmap, doc);
RoughnessTexture.BeginChange(Rhino.Render.RenderContent.ChangeContexts.Program);
RoughnessTexture.Name = name + "-Roughness";
RoughnessTexture.EndChange();
}
public bool Use()
{
var prg = GetShaderProgram();
if (lastUserProgram == null)
{
lastUserProgram = ShaderProgram.Current;
}
ShaderProgram.SwitchResult res = prg.Use();
//prg.SetUniform("MaterialIndex", BufferOffset);
prg.SetUniform("IsTessellatedTerrain", Type == MaterialType.TessellatedTerrain);
prg.SetUniform("TessellationMultiplier", TessellationMultiplier);
prg.SetUniform("InvertUVy", InvertUVy);
prg.SetUniform("IsBillboard", IsBillboard);
prg.SetUniform("SpecularColor", SpecularColor);
prg.SetUniform("DiffuseColor", DiffuseColor);
prg.SetUniform("ParallaxHeightMultiplier", ParallaxHeightMultiplier);
prg.SetUniform("Roughness", Roughness);
prg.SetUniform("Alpha", Alpha);
prg.SetUniform("NormalTexEnabled", NormalsTexture != null);
prg.SetUniform("BumpTexEnabled", BumpTexture != null);
prg.SetUniform("AlphaTexEnabled", AlphaTexture != null);
prg.SetUniform("RoughnessTexEnabled", RoughnessTexture != null);
prg.SetUniform("DiffuseTexEnabled", DiffuseTexture != null);
prg.SetUniform("SpecularTexEnabled", SpecularTexture != null);
if (NormalsTexture != null)
{
NormalsTexture.Use(prg.getConstInt("normalsTexBind"));
}
if (BumpTexture != null)
{
BumpTexture.Use(prg.getConstInt("bumpTexBind"));
}
if (AlphaTexture != null)
{
AlphaTexture.Use(prg.getConstInt("alphaTexBind"));
}
if (RoughnessTexture != null)
{
RoughnessTexture.Use(prg.getConstInt("roughnessTexBind"));
}
if (DiffuseTexture != null)
{
DiffuseTexture.Use(prg.getConstInt("diffuseTexBind"));
}
if (SpecularTexture != null)
{
SpecularTexture.Use(prg.getConstInt("specularTexBind"));
}
return(true);
}
