ps.1.1 ;------------------------------------------------------------------------------ ; Draw a texture . . woo hoo! ; t0 - texture ; ; The texture coordinates need to be defined as follows: ; tc0 - texcoords ;------------------------------------------------------------------------------ def c0,1.0f, 1.0f, 1.0f, 1.0f tex t0 ; shadow color texkill t1 ; Clip texkill t2 texkill t3 ; backface cull ; Darkening equation, compute a color = (shadow color * shadow alpha + 1- shadow alpha) ;sub r1, t0, v0.a ; r1 = shadow alpha lrp r0.rgb, t0.a, v0, c0 + ; r0.rgb = (shadow color * shadow alpha + 1 - shadow alpha) mov r0.a, c0.a ; r0.a = 1