diff options
Diffstat (limited to 'mp/src/materialsystem/stdshaders/VertexLitGeneric_EnvmappedBumpmapV2_MultByAlpha_ps14.psh')
| -rw-r--r-- | mp/src/materialsystem/stdshaders/VertexLitGeneric_EnvmappedBumpmapV2_MultByAlpha_ps14.psh | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/mp/src/materialsystem/stdshaders/VertexLitGeneric_EnvmappedBumpmapV2_MultByAlpha_ps14.psh b/mp/src/materialsystem/stdshaders/VertexLitGeneric_EnvmappedBumpmapV2_MultByAlpha_ps14.psh new file mode 100644 index 00000000..eac900c9 --- /dev/null +++ b/mp/src/materialsystem/stdshaders/VertexLitGeneric_EnvmappedBumpmapV2_MultByAlpha_ps14.psh @@ -0,0 +1,42 @@ +ps.1.4
+;------------------------------------------------------------------------------
+; Phase 1
+;------------------------------------------------------------------------------
+; Get the 3-vector from the normal map
+texld r0, t0
+; Get environment matrix
+texcrd r1.rgb, t1
+texcrd r2.rgb, t2
+texcrd r3.rgb, t3
+; Normalize eye-ray vector through normalizer cube map
+texld r4, t4 ; <---- CUBE MAP here!!!
+;mov r0.rgba, r4
+
+; Transform normal
+dp3 r5.r, r1, r0_bx2
+dp3 r5.g, r2, r0_bx2
+dp3 r5.b, r3, r0_bx2
+; Reflection calculatiom
+dp3_x2 r3.rgb, r5, r4_bx2 ; 2(N.Eye)
+mul r3.rgb, r5, r3 ; 2N(N.Eye)
+dp3 r2.rgb, r5, r5 ; N.N
+mad r2.rgb, -r4_bx2, r2, r3 ; 2N(N.Eye) - Eye(N.N)
+; Alpha gets lost after phase marker, so store it here
+mov r5, r0.a
+;------------------------------------------------------------------------------
+; Phase 2
+;------------------------------------------------------------------------------
+phase
+; Sample environment map
+texld r3, r2
+; Result goes in output color (multiply by constant color c0)
+mul r0.rgb, r3, c0
++mov r0.a, c0.a
+
+mul r1.rgb, r0, r0
+lrp r0.rgb, c1, r1, r0 ; blend between color and color * color
+dp3 r1.rgb, r0, c3
+lrp r0.rgb, c2, r0, r1 ; blend between color and greyscale
+
+; mult by alpha
+mul r0.rgb, r0, r5
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