diff options
Diffstat (limited to 'materialsystem/stdshaders/BumpmappedLightmap.vsh')
| -rw-r--r-- | materialsystem/stdshaders/BumpmappedLightmap.vsh | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/materialsystem/stdshaders/BumpmappedLightmap.vsh b/materialsystem/stdshaders/BumpmappedLightmap.vsh new file mode 100644 index 0000000..16ba0a5 --- /dev/null +++ b/materialsystem/stdshaders/BumpmappedLightmap.vsh @@ -0,0 +1,57 @@ +vs.1.1 + +# DYNAMIC: "DOWATERFOG" "0..1" + +#include "macros.vsh" + +;------------------------------------------------------------------------------ +; Vertex blending +;------------------------------------------------------------------------------ + +alloc $projPos + +; Transform position from object to projection space +; put in r1 now since we need it for fog. +dp4 $projPos.x, $vPos, $cModelViewProj0 +dp4 $projPos.y, $vPos, $cModelViewProj1 +dp4 $projPos.z, $vPos, $cModelViewProj2 +dp4 $projPos.w, $vPos, $cModelViewProj3 + +mov oPos, $projPos + +alloc $worldPos +if( $DOWATERFOG == 1 ) +{ + ; Get the worldpos z component only since that's all we need for height fog + dp4 $worldPos.z, $vPos, $cModel2 +} +&CalcFog( $worldPos, $projPos ); +free $worldPos + + +;------------------------------------------------------------------------------ +; Texture coordinates +;------------------------------------------------------------------------------ + +; Compute the texture coordinates given the offset between +; each bumped lightmap + +&AllocateRegister( \$bumpOffset ); + +mov $bumpOffset.xy, $vTexCoord2 +mov oT0, $vTexCoord0 ; bumpmap texcoords +add oT1.xy, $bumpOffset, $vTexCoord1 ; first lightmap texcoord +mad oT2.xy, $bumpOffset, $cTwo, $vTexCoord1 ; second lightmap texcoord +; make a 3 +alloc $three +add $three, $cOne, $cTwo +mad oT3.xy, $bumpOffset, $three, $vTexCoord1 ; third lightmap texcoord +free $three + +&FreeRegister( \$bumpOffset ); + +;------------------------------------------------------------------------------ +; Fog +;------------------------------------------------------------------------------ + +free $projPos |