View Full Version : what's the use of the alpha value of a texture

01-14-2004, 10:32 AM
we know when a texture has 4 color components,the last one is alpha,but what's the use of it?which objects will be affected by it?OGL how to deal it in a blend operation?

01-14-2004, 10:50 AM
please ask such questions in the beginner forum.

01-15-2004, 07:45 PM
I would like to know the answer to this question as well. Is there a performance difference between GL_QUAD and GL_TRIANGLES

01-15-2004, 07:50 PM
I somehow managed to post that in the wrong thread... sorry. I have no idea how that happened.