I am making a simple effect, a texture is on top of other texture/shader and blending in with them multiply mode.
I have tried by fail .. Could anyone have done it please help. I have try to find in the manual but the effect manual is too bad!

Please post your code

Code:

---

bmap bcube=<cube+6.tga>;

function mtl_envmap_view()
{
        mat_set(mtl.matrix,matViewInv);
        mtl.matrix41=0;
        mtl.matrix42=0;
        mtl.matrix43=0;
}

function mtl_envmap_init()
{
        bmap_to_cubemap(mtl.skin1);
        mtl.event=mtl_envmap_view;
        mtl.enable_view=on;
}

material mtl_envmap
{
        skin1=bcube;
        event=mtl_envmap_init;

        effect=
        "
                texture entSkin1;
                texture mtlSkin1;
                matrix matMtl;
                technique envmap
                {
                        pass p0
                        {
				                     Texture[0] = <entSkin1>;
				                     ColorArg1[0] = Texture; // stage 0 = skin texture
				                     ColorOp[0] = Modulate2x;
				                     ColorArg2[0] = Diffuse; // modulate by lighting
								}
                        pass p1                       
                        {
                                texture[0]=<entSkin1>;
                                texture[1]=<mtlSkin1>;

                                zWriteEnable=true;
                                alphaBlendEnable=false;

                                colorArg1[0]=Texture;
                                colorOp[0]=Modulate2x;
                                colorArg2[0]=Diffuse;

                                colorArg1[1]=Texture;
                                colorOp[1]=blendCurrentAlpha;


                                addressU[1]=Clamp;
                                addressV[1]=Clamp;
                                texCoordIndex[1]=cameraSpaceReflectionVector;
                                textureTransformFlags[1]=Count3;
                                textureTransform[1]=<matMtl>; // transform camera space back to world space
                        }
                }
        ";
}

---

This is the code of an enviroment cube map.. Now, I want to make a texture blend over the shader. I think I must write a new pass, blend with the existing pass, but do not know how to do

Maybe have a look at this site: http://www.coniserver.net/wiki/index.php/Color_Op

This should have been in the shader forum =)

I am sorry, but I am too much shader-newbie to help you with this... :/

I do not think this is call shader, , just a simple material script for blending texture or pass
Could anyone post a code snippet, I still can not figure it out . I know must use a blending mode ColorOp[n] = Modulate; but do not know how to declare it in a new pass

I found that the ColorOp seems only blend mode for texture , how about the pass??
In my case, pass 1 has been used for environment mapping, so I need another pass with texture and blend down with pass 1

technically, it's not a shader. It's a fixed function effect. But it still belongs in the shader section

Could anyone delete this post, I post I again in shader section