94 lines
No EOL
3.4 KiB
C
94 lines
No EOL
3.4 KiB
C
#ifndef HMODEL_H
|
|
#define HMODEL_H
|
|
|
|
#include "common.h"
|
|
|
|
//uniform samplerCUBE env_s0 ;
|
|
//uniform samplerCUBE env_s1 ;
|
|
//uniform samplerCUBE sky_s0 ;
|
|
//uniform samplerCUBE sky_s1 ;
|
|
|
|
TextureCube env_s0;
|
|
TextureCube env_s1;
|
|
TextureCube sky_s0;
|
|
TextureCube sky_s1;
|
|
|
|
uniform float4 env_color; // color.w = lerp factor
|
|
uniform float3x4 m_v2w;
|
|
|
|
void hmodel
|
|
(
|
|
out float3 hdiffuse, out float3 hspecular,
|
|
float m, float h, float s, float3 Pnt, float3 normal
|
|
)
|
|
{
|
|
// hscale - something like diffuse reflection
|
|
float3 nw = mul( m_v2w, normal );
|
|
float hscale = h; //. * (.5h + .5h*nw.y);
|
|
|
|
#ifdef USE_GAMMA_22
|
|
hscale = (hscale*hscale); // make it more linear
|
|
#endif
|
|
|
|
// reflection vector
|
|
float3 v2PntL = normalize( Pnt );
|
|
float3 v2Pnt = mul( m_v2w, v2PntL );
|
|
float3 vreflect= reflect( v2Pnt, nw );
|
|
float hspec = .5h + .5h * dot( vreflect, v2Pnt );
|
|
|
|
// material // sample material
|
|
//float4 light = tex3D( s_material, float3(hscale, hspec, m) );
|
|
// float4 light = s_material.Sample( smp_material, float3( hscale, hspec, m ) ).xxxy;
|
|
float4 light = s_material.SampleLevel( smp_material, float3( hscale, hspec, m ), 0 ).xxxy;
|
|
// float4 light = float4(1,1,1,1);
|
|
|
|
// diffuse color
|
|
// float3 e0d = texCUBE( env_s0, nw );
|
|
// float3 e1d = texCUBE( env_s1, nw );
|
|
// float3 e0d = env_s0.Sample( smp_rtlinear, nw );
|
|
// float3 e1d = env_s1.Sample( smp_rtlinear, nw );
|
|
float3 e0d = env_s0.SampleLevel( smp_rtlinear, nw, 0 );
|
|
float3 e1d = env_s1.SampleLevel( smp_rtlinear, nw, 0 );
|
|
float3 env_d = env_color.xyz * lerp( e0d, e1d, env_color.w );
|
|
env_d *=env_d; // contrast
|
|
hdiffuse= env_d * light.xyz + L_ambient.rgb;
|
|
|
|
// specular color
|
|
vreflect.y = vreflect.y*2-1; // fake remapping
|
|
// float3 e0s = texCUBE( env_s0, vreflect );
|
|
// float3 e1s = texCUBE( env_s1, vreflect );
|
|
// float3 e0s = env_s0.Sample( smp_rtlinear, vreflect );
|
|
// float3 e1s = env_s1.Sample( smp_rtlinear, vreflect );
|
|
float3 e0s = env_s0.SampleLevel( smp_rtlinear, vreflect, 0 );
|
|
float3 e1s = env_s1.SampleLevel( smp_rtlinear, vreflect, 0 );
|
|
float3 env_s = env_color.xyz * lerp( e0s, e1s, env_color.w);
|
|
env_s *=env_s; // contrast
|
|
hspecular = env_s*light.w*s; //*h*m*s ; //env_s *light.w * s;
|
|
}
|
|
|
|
/*
|
|
void hmodel_table (out float3 hdiffuse, out float3 hspecular, float m, float h, float s, float3 point, float3 normal)
|
|
{
|
|
// hscale - something like diffuse reflection
|
|
float hscale = h;
|
|
|
|
// reflection vector
|
|
float3 v2point = normalize (Pnt);
|
|
float3 vreflect= reflect (v2point,normal);
|
|
float hspec = .5h+.5h*dot (vreflect,v2point);
|
|
|
|
// material
|
|
float4 light = tex3D (s_material, float3(hscale, hspec, m) ); // sample material
|
|
|
|
// diffuse color
|
|
float3 env_d = texCUBE (env_s0,normal);
|
|
|
|
// specular color
|
|
float3 env_s = texCUBE (env_s0,vreflect);
|
|
|
|
//
|
|
hdiffuse = env_d *light.xyz + L_ambient.rgb ;
|
|
hspecular = env_s *light.w * s ;
|
|
}
|
|
*/
|
|
#endif |