problem in planar shadow
i have a little problem with planar shadow when i use blending. when i use blendig some spots shown in the shadow, how can i remove this spots?!
problem shown at this shot:
and this is my code for blending:
glBlendFunc(GL_CONSTANT_ALPHA,GL_ONE_MINUS_CONSTAN T_COLOR );
( i must use blend-color)
Re: problem in planar shadow
You can use stencil buffer to prevent the rendering from updating one pixel multiple times. See this paper for details.