Hello, I''m applying multitexture to an object, this is my code: glActiveTextureARB(GL_TEXTURE0_ARB); glBindTexture(GL_TEXTURE_2D,Texture[0]); glActiveTextureARB(GL_TEXTURE1_ARB); glBindTexture(GL_TEXTURE_2D,Texture[1]); DrawObject(); I don''t know how to regulate the blend of the textures, I want to make the second texture be less visible.

For example, This image made with 3DS Max
http://www.geocities.com/opengladiator/pic.jpg
left:Two textures, main texture is a photo of bricks and the second is a photo of a lake, reflection with spherical mapping. Both textures are full visible.
right: the reflection texture is less visible, this is what I want

I think there is something called GL_RGB_SCALE_ARB... Look it up.

Sorry have to go now, help you more when I get back..

GL_RGB_SCALE_ARB is only when using GL_ARB_texture_env_combine. To set the blending level of a texture unit in standard multitexturing, use:


glActiveTextureARB(..)

...

setup stage..

...


float colour[4]={...};
glTexEnvfv(GL_TEXTURE_ENV,GL_TEXTURE_ENV_COLOR,colour);

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I have tried this but the result is the same

Have you enabled GL_TEXTURE_2D on each texture unit?
If not, you''ll have to do that, like this:

glActiveTextureArb(GL_TEXTURE0_ARB);
glEnable(GL_TEXTURE_2D);
glBindTexture(Texture[0]);

glActiveTextureArb(GL_TEXTURE1_ARB);
glEnable(GL_TEXTURE_2D);
glBindTexture(Texture[1]);

Yes, the object has two textures, but both textures are full visible

Sorry ''bout that, I didn''t read your question properly.
I don''t know the answer exactly but I think you should look into glTexEnv*() functions.

You should try the following env modes: GL_MODULATE or GL_ADD
you know glTexEnvf(GL_TEXTURE_ENV,GL_TEXTURE_ENV_MODE,...);

or .tga image with alpha channel, and GL_COMBINE_EXT

(sorry for my english)