diff options
Diffstat (limited to 'materialsystem/stdshaders/WaterCheapNoFresnel_ps11.psh')
| -rw-r--r-- | materialsystem/stdshaders/WaterCheapNoFresnel_ps11.psh | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/materialsystem/stdshaders/WaterCheapNoFresnel_ps11.psh b/materialsystem/stdshaders/WaterCheapNoFresnel_ps11.psh new file mode 100644 index 0000000..d63151b --- /dev/null +++ b/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 + + + |