115 lines
2.6 KiB
GLSL
115 lines
2.6 KiB
GLSL
!!ver 130
|
|
!!permu FRAMEBLEND
|
|
!!permu SKELETAL
|
|
!!permu FOG
|
|
!!samps diffuse reflectcube
|
|
!!cvardf gl_affinemodels=0
|
|
!!cvardf gl_fake16bit=0
|
|
!!cvardf gl_monochrome=0
|
|
!!cvardf gl_brighten=0
|
|
|
|
#include "sys/defs.h"
|
|
|
|
#if gl_affinemodels == 1
|
|
#define affine noperspective
|
|
#else
|
|
#define affine
|
|
#endif
|
|
|
|
#ifdef REFLECTCUBE
|
|
varying vec3 eyevector;
|
|
varying mat3 invsurface;
|
|
#endif
|
|
|
|
affine varying vec2 tex_c;
|
|
varying vec3 light;
|
|
|
|
#ifdef VERTEX_SHADER
|
|
#include "sys/skeletal.h"
|
|
|
|
/*float hl( vec3 normal, vec3 dir ) {
|
|
return ( dot( normal, dir ) * 0.5 ) + 0.5;
|
|
}*/
|
|
|
|
#ifdef CHROME
|
|
/* Rotate Light Vector */
|
|
vec3 rlv(vec3 axis, vec3 origin, vec3 lightpoint)
|
|
{
|
|
vec3 offs;
|
|
vec3 result;
|
|
offs[0] = lightpoint[0] - origin[0];
|
|
offs[1] = lightpoint[1] - origin[1];
|
|
offs[2] = lightpoint[2] - origin[2];
|
|
result[0] = dot(offs[0], axis[0]);
|
|
result[1] = dot(offs[1], axis[1]);
|
|
result[2] = dot(offs[2], axis[2]);
|
|
return result;
|
|
}
|
|
#endif
|
|
|
|
void main ()
|
|
{
|
|
vec3 n, s, t, w;
|
|
gl_Position = skeletaltransform_wnst(w,n,s,t);
|
|
tex_c = v_texcoord;
|
|
light = e_light_ambient + (e_light_mul * dot(n, e_light_dir));
|
|
|
|
#ifdef CHROME
|
|
vec3 rorg = rlv(vec3(0,0,0), w, e_light_dir);
|
|
vec3 viewc = normalize(rorg - w);
|
|
float d = dot(n, viewc);
|
|
vec3 reflected;
|
|
reflected.x = n.x * 2 * d - viewc.x;
|
|
reflected.y = n.y * 2 * d - viewc.y;
|
|
reflected.z = n.z * 2 * d - viewc.z;
|
|
tex_c.x = 0.5 + reflected.y * 0.5;
|
|
tex_c.y = 0.5 - reflected.z * 0.5;
|
|
#endif
|
|
|
|
#ifdef REFLECTCUBE
|
|
invsurface[0] = v_svector;
|
|
invsurface[1] = v_tvector;
|
|
invsurface[2] = v_normal;
|
|
vec3 eyeminusvertex = e_eyepos - v_position.xyz;
|
|
eyevector.x = dot( eyeminusvertex, v_svector.xyz );
|
|
eyevector.y = dot( eyeminusvertex, v_tvector.xyz );
|
|
eyevector.z = dot( eyeminusvertex, v_normal.xyz );
|
|
#endif
|
|
}
|
|
#endif
|
|
|
|
|
|
#ifdef FRAGMENT_SHADER
|
|
void main ()
|
|
{
|
|
vec4 diffuse_f = texture2D(s_diffuse, tex_c);
|
|
diffuse_f.rgb *= light;
|
|
|
|
#ifdef REFLECTCUBE
|
|
vec3 cube_c;
|
|
vec4 out_f = vec4( 1.0, 1.0, 1.0, 1.0 );
|
|
|
|
cube_c = reflect( normalize( -eyevector ), vec3( 0, 0, 1 ) );
|
|
cube_c = cube_c.x * invsurface[0] + cube_c.y * invsurface[1] + cube_c.z * invsurface[2];
|
|
cube_c = ( m_model * vec4( cube_c.xyz, 0.0 ) ).xyz;
|
|
out_f.rgb = mix( textureCube( s_reflectcube, cube_c ).rgb, diffuse_f.rgb, diffuse_f.a );
|
|
diffuse_f = out_f;
|
|
#endif
|
|
diffuse_f *= e_colourident;
|
|
|
|
#if gl_brighten == 1
|
|
diffuse_f.rgb += vec3(0.1f,0.1f,0.1f) * 0.9f;
|
|
#endif
|
|
|
|
#if gl_fake16bit == 1
|
|
diffuse_f.rgb = floor(diffuse_f.rgb * vec3(32,64,32))/vec3(32,64,32);
|
|
#endif
|
|
|
|
#if gl_monochrome == 1
|
|
float m = (diffuse_f.r + diffuse_f.g + diffuse_f.b) / 3.0f;
|
|
diffuse_f.rgb = vec3(m,m,m);
|
|
#endif
|
|
|
|
gl_FragColor = diffuse_f * e_colourident;
|
|
}
|
|
#endif
|