diff options
Diffstat (limited to 'mp/src/materialsystem/stdshaders/WaterCheapNoFresnel_ps11.psh')
| -rw-r--r-- | mp/src/materialsystem/stdshaders/WaterCheapNoFresnel_ps11.psh | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/mp/src/materialsystem/stdshaders/WaterCheapNoFresnel_ps11.psh b/mp/src/materialsystem/stdshaders/WaterCheapNoFresnel_ps11.psh new file mode 100644 index 00000000..fe76d772 --- /dev/null +++ b/mp/src/materialsystem/stdshaders/WaterCheapNoFresnel_ps11.psh @@ -0,0 +1,18 @@ +ps.1.1
+
+; Get the 3-vector from the normal map
+tex t0
+
+; Perform matrix multiply to get a local normal bump. Then
+; reflect the eye vector through the normal and sample from
+; a cubic environment map.
+texm3x3pad t1, t0_bx2
+texm3x3pad t2, t0_bx2
+texm3x3vspec t3, t0_bx2
+
+mul r0.rgb, t3, c1 ; multiply color by reflecttint
++mov_sat r0.a, v0.a ; NOTE: This is necessary since v0.a can be outside 0 - 1!
+add_sat r0.a, c1.a, r0.a ; cheap water blend factor + constant blend factor
+
+
+
|