diff options
Diffstat (limited to 'materialsystem/stdshaders/ShadowModel.psh')
| -rw-r--r-- | materialsystem/stdshaders/ShadowModel.psh | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/materialsystem/stdshaders/ShadowModel.psh b/materialsystem/stdshaders/ShadowModel.psh new file mode 100644 index 0000000..31b6d78 --- /dev/null +++ b/materialsystem/stdshaders/ShadowModel.psh @@ -0,0 +1,22 @@ +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 + |