146 lines
4.1 KiB
GLSL
146 lines
4.1 KiB
GLSL
#include "macros.vsh"
|
|
|
|
sub VertexLitGeneric
|
|
{
|
|
local( $detail ) = shift;
|
|
local( $envmap ) = shift;
|
|
local( $envmapcameraspace ) = shift;
|
|
local( $envmapsphere ) = shift;
|
|
local( $decal ) = shift;
|
|
|
|
local( $worldPos, $worldNormal, $projPos );
|
|
local( $reflectionVector );
|
|
|
|
;------------------------------------------------------------------------------
|
|
; Vertex blending
|
|
;------------------------------------------------------------------------------
|
|
&AllocateRegister( \$worldPos );
|
|
&AllocateRegister( \$worldNormal );
|
|
&AllocateRegister( \$projPos );
|
|
; if( $g_staticLightType eq "static" && $g_ambientLightType eq "none" &&
|
|
; $g_localLightType1 eq "none" && $g_localLightType2 eq "none" && !$envmap )
|
|
if( 0 )
|
|
{
|
|
; NOTE: Don't do this optimization anymore since it would mean a gazillion combos
|
|
; of the flashlight shaders
|
|
; Special case for static prop lighting. We can go directly from
|
|
; world to proj space for position, with the exception of z, which
|
|
; is needed for fogging *if* height fog is enabled.
|
|
|
|
; NOTE: We don't use this path if $envmap is defined since we need
|
|
; worldpos for envmapping.
|
|
dp4 $projPos.x, $vPos, $cModelViewProj0
|
|
dp4 $projPos.y, $vPos, $cModelViewProj1
|
|
dp4 $projPos.z, $vPos, $cModelViewProj2
|
|
dp4 $projPos.w, $vPos, $cModelViewProj3
|
|
; normal
|
|
dp3 $worldNormal.x, $vNormal, $cModel0
|
|
dp3 $worldNormal.y, $vNormal, $cModel1
|
|
dp3 $worldNormal.z, $vNormal, $cModel2
|
|
|
|
; Need this for height fog if it's enabled and for height clipping
|
|
dp4 $worldPos.z, $vPos, $cModel2
|
|
}
|
|
else
|
|
{
|
|
&SkinPositionAndNormal( $worldPos, $worldNormal );
|
|
|
|
if( $SKINNING == 1 )
|
|
{
|
|
&Normalize( $worldNormal );
|
|
}
|
|
|
|
;------------------------------------------------------------------------------
|
|
; Transform the position from world to view space
|
|
;------------------------------------------------------------------------------
|
|
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 );
|
|
|
|
;------------------------------------------------------------------------------
|
|
; Lighting
|
|
;------------------------------------------------------------------------------
|
|
&DoLighting( $worldPos, $worldNormal );
|
|
|
|
if( !$envmap )
|
|
{
|
|
&FreeRegister( \$worldNormal );
|
|
}
|
|
|
|
;------------------------------------------------------------------------------
|
|
; Texture coordinates
|
|
;------------------------------------------------------------------------------
|
|
|
|
dp4 oT0.x, $vTexCoord0, $SHADER_SPECIFIC_CONST_0
|
|
dp4 oT0.y, $vTexCoord0, $SHADER_SPECIFIC_CONST_1
|
|
|
|
if( $envmap )
|
|
{
|
|
if( $envmapcameraspace )
|
|
{
|
|
&AllocateRegister( \$reflectionVector );
|
|
&ComputeReflectionVector( $worldPos, $worldNormal, $reflectionVector );
|
|
|
|
; transform reflection vector into view space
|
|
dp3 oT1.x, $reflectionVector, $cViewModel0
|
|
dp3 oT1.y, $reflectionVector, $cViewModel1
|
|
dp3 oT1.z, $reflectionVector, $cViewModel2
|
|
|
|
&FreeRegister( \$reflectionVector );
|
|
}
|
|
elsif( $envmapsphere )
|
|
{
|
|
&AllocateRegister( \$reflectionVector );
|
|
&ComputeReflectionVector( $worldPos, $worldNormal, $reflectionVector );
|
|
&ComputeSphereMapTexCoords( $reflectionVector, "oT1" );
|
|
|
|
&FreeRegister( \$reflectionVector );
|
|
}
|
|
else
|
|
{
|
|
&ComputeReflectionVector( $worldPos, $worldNormal, "oT1" );
|
|
}
|
|
|
|
; envmap mask
|
|
dp4 oT2.x, $vTexCoord0, $SHADER_SPECIFIC_CONST_2
|
|
dp4 oT2.y, $vTexCoord0, $SHADER_SPECIFIC_CONST_3
|
|
|
|
&FreeRegister( \$worldNormal );
|
|
}
|
|
else
|
|
{
|
|
if ( $decal )
|
|
{
|
|
&AllocateRegister( \$temp );
|
|
mov $temp, $vTexCoord0
|
|
sub oT1.xyz, $temp.xyz, $vTexCoord1.xyz
|
|
sub oT2.xyz, $vTexCoord2.xyz, $temp.xyz
|
|
&FreeRegister( \$temp );
|
|
}
|
|
else
|
|
{
|
|
; YUCK! This is to make texcoords continuous for mat_softwaretl
|
|
mov oT1, $cZero
|
|
mov oT2, $cZero
|
|
}
|
|
}
|
|
|
|
if( $detail )
|
|
{
|
|
dp4 oT3.x, $vTexCoord0, $SHADER_SPECIFIC_CONST_4
|
|
dp4 oT3.y, $vTexCoord0, $SHADER_SPECIFIC_CONST_5
|
|
}
|
|
&FreeRegister( \$worldPos );
|
|
}
|
|
|