diff options
Diffstat (limited to 'mp/src/materialsystem/stdshaders/ShadowModel.psh')
| -rw-r--r-- | mp/src/materialsystem/stdshaders/ShadowModel.psh | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/mp/src/materialsystem/stdshaders/ShadowModel.psh b/mp/src/materialsystem/stdshaders/ShadowModel.psh new file mode 100644 index 00000000..a7514020 --- /dev/null +++ b/mp/src/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
+
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