83 lines
2.2 KiB
GLSL
83 lines
2.2 KiB
GLSL
vs.1.1
|
|
|
|
# DYNAMIC: "DOWATERFOG" "0..1"
|
|
# DYNAMIC: "SKINNING" "0..1"
|
|
|
|
#include "macros.vsh"
|
|
|
|
;------------------------------------------------------------------------------
|
|
; Vertex blending
|
|
;------------------------------------------------------------------------------
|
|
|
|
$cView0 = $SHADER_SPECIFIC_CONST_0;
|
|
$cView1 = $SHADER_SPECIFIC_CONST_1;
|
|
$cView2 = $SHADER_SPECIFIC_CONST_2;
|
|
|
|
&AllocateRegister( \$worldPos );
|
|
&AllocateRegister( \$worldNormal );
|
|
&SkinPositionAndNormal( $worldPos, $worldNormal );
|
|
|
|
;------------------------------------------------------------------------------
|
|
; Transform the position from world to view space
|
|
;------------------------------------------------------------------------------
|
|
|
|
&AllocateRegister( \$projPos );
|
|
|
|
dp4 $projPos.x, $worldPos, $cViewProj0
|
|
dp4 $projPos.y, $worldPos, $cViewProj1
|
|
dp4 $projPos.z, $worldPos, $cViewProj2
|
|
dp4 $projPos.w, $worldPos, $cViewProj3
|
|
mov oPos, $projPos
|
|
|
|
;------------------------------------------------------------------------------
|
|
; Fog
|
|
;------------------------------------------------------------------------------
|
|
|
|
&CalcFog( $worldPos, $projPos );
|
|
|
|
&FreeRegister( \$projPos );
|
|
|
|
&AllocateRegister( \$viewNormal );
|
|
|
|
; Transform the normal from object to view space
|
|
dp3 $viewNormal.x, $worldNormal, $cView0
|
|
dp3 $viewNormal.y, $worldNormal, $cView1
|
|
dp3 $viewNormal.z, $worldNormal, $cView2
|
|
|
|
&FreeRegister( \$worldNormal );
|
|
; normalize normal (do we need to do this?)
|
|
&Normalize( $viewNormal );
|
|
|
|
|
|
&AllocateRegister( \$viewPos );
|
|
|
|
; Transform position from object to view space
|
|
dp4 $viewPos.x, $worldPos, $cView0
|
|
dp4 $viewPos.y, $worldPos, $cView1
|
|
dp4 $viewPos.z, $worldPos, $cView2
|
|
|
|
&FreeRegister( \$worldPos );
|
|
&AllocateRegister( \$vertToEye );
|
|
|
|
; vector from point to eye in view space
|
|
mov $vertToEye.xyz, -$viewPos
|
|
|
|
&FreeRegister( \$viewPos );
|
|
|
|
; normalize
|
|
&Normalize( $vertToEye );
|
|
|
|
dp3 $viewNormal.x, $vertToEye, $viewNormal
|
|
add $viewNormal.x, $viewNormal.x, $SHADER_SPECIFIC_CONST_5 ; FIXME
|
|
|
|
&FreeRegister( \$vertToEye );
|
|
|
|
;------------------------------------------------------------------------------
|
|
; Texture coordinates
|
|
;------------------------------------------------------------------------------
|
|
|
|
mov oT0, $viewNormal
|
|
mov oT1, $vTexCoord0
|
|
|
|
&FreeRegister( \$viewNormal );
|