diff options
Diffstat (limited to 'drivers/gles3/shaders/scene.glsl')
| -rw-r--r-- | drivers/gles3/shaders/scene.glsl | 44 |
1 files changed, 28 insertions, 16 deletions
diff --git a/drivers/gles3/shaders/scene.glsl b/drivers/gles3/shaders/scene.glsl index 545c7b2605..6fbfeeff6c 100644 --- a/drivers/gles3/shaders/scene.glsl +++ b/drivers/gles3/shaders/scene.glsl @@ -777,7 +777,7 @@ LIGHT_SHADER_CODE #elif defined(DIFFUSE_TOON) - diffuse += smoothstep(-roughness,roughness,dot(N,L)) * light_color * diffuse_color; + diffuse += smoothstep(-roughness,max(roughness,0.01),dot(N,L)) * light_color * diffuse_color; #elif defined(DIFFUSE_BURLEY) @@ -817,23 +817,26 @@ LIGHT_SHADER_CODE vec3 H = normalize(V + L); float dotNH = max(dot(N,H), 0.0 ); float intensity = pow( dotNH, (1.0-roughness) * 256.0); - specular += light_color * intensity; + specular += light_color * intensity * specular_blob_intensity; #elif defined(SPECULAR_PHONG) vec3 R = normalize(-reflect(L,N)); float dotNV = max(0.0,dot(R,V)); float intensity = pow( dotNV, (1.0-roughness) * 256.0); - specular += light_color * intensity; + specular += light_color * intensity * specular_blob_intensity; #elif defined(SPECULAR_TOON) vec3 R = normalize(-reflect(L,N)); float dotNV = dot(R,V); float mid = 1.0-roughness; - float intensity = smoothstep(mid-roughness*0.5,mid+roughness*0.5,dotNV); - diffuse += light_color * intensity; //write to diffuse, as in toon shading you generally want no reflection + mid*=mid; + float intensity = smoothstep(mid-roughness*0.5,mid+roughness*0.5,dotNV) * mid; + diffuse += light_color * intensity * specular_blob_intensity; //write to diffuse, as in toon shading you generally want no reflection +#elif defined(SPECULAR_DISABLED) + //none.. #else // shlick+ggx as default @@ -966,7 +969,7 @@ vec3 light_transmittance(float translucency,vec3 light_vec, vec3 normal, vec3 po } #endif -void light_process_omni(int idx, vec3 vertex, vec3 eye_vec,vec3 normal,vec3 binormal, vec3 tangent, vec3 albedo, float roughness, float rim, float rim_tint, float clearcoat, float clearcoat_gloss,float anisotropy,inout vec3 diffuse_light, inout vec3 specular_light) { +void light_process_omni(int idx, vec3 vertex, vec3 eye_vec,vec3 normal,vec3 binormal, vec3 tangent, vec3 albedo, float roughness, float rim, float rim_tint, float clearcoat, float clearcoat_gloss,float anisotropy,float p_blob_intensity,inout vec3 diffuse_light, inout vec3 specular_light) { vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz-vertex; float light_length = length( light_rel_vec ); @@ -1017,11 +1020,11 @@ void light_process_omni(int idx, vec3 vertex, vec3 eye_vec,vec3 normal,vec3 bino light_attenuation*=mix(omni_lights[idx].shadow_color_contact.rgb,vec3(1.0),shadow); } - light_compute(normal,normalize(light_rel_vec),eye_vec,binormal,tangent,omni_lights[idx].light_color_energy.rgb*light_attenuation,albedo,omni_lights[idx].light_params.z,roughness,rim,rim_tint,clearcoat,clearcoat_gloss,anisotropy,diffuse_light,specular_light); + light_compute(normal,normalize(light_rel_vec),eye_vec,binormal,tangent,omni_lights[idx].light_color_energy.rgb*light_attenuation,albedo,omni_lights[idx].light_params.z*p_blob_intensity,roughness,rim,rim_tint,clearcoat,clearcoat_gloss,anisotropy,diffuse_light,specular_light); } -void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent,vec3 albedo, float roughness, float rim,float rim_tint, float clearcoat, float clearcoat_gloss,float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light) { +void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent,vec3 albedo, float roughness, float rim,float rim_tint, float clearcoat, float clearcoat_gloss,float anisotropy,float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light) { vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz-vertex; float light_length = length( light_rel_vec ); @@ -1050,7 +1053,7 @@ void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 bi light_attenuation*=mix(spot_lights[idx].shadow_color_contact.rgb,vec3(1.0),shadow); } - light_compute(normal,normalize(light_rel_vec),eye_vec,binormal,tangent,spot_lights[idx].light_color_energy.rgb*light_attenuation,albedo,spot_lights[idx].light_params.z,roughness,rim,rim_tint,clearcoat,clearcoat_gloss,anisotropy,diffuse_light,specular_light); + light_compute(normal,normalize(light_rel_vec),eye_vec,binormal,tangent,spot_lights[idx].light_color_energy.rgb*light_attenuation,albedo,spot_lights[idx].light_params.z*p_blob_intensity,roughness,rim,rim_tint,clearcoat,clearcoat_gloss,anisotropy,diffuse_light,specular_light); } @@ -1509,6 +1512,11 @@ FRAGMENT_SHADER_CODE ambient_light*=ambient_energy; + float specular_blob_intensity=1.0; +#if defined(SPECULAR_TOON) + specular_blob_intensity*=specular * 2.0; +#endif + #ifdef USE_LIGHT_DIRECTIONAL vec3 light_attenuation=vec3(1.0); @@ -1648,7 +1656,7 @@ FRAGMENT_SHADER_CODE #endif //LIGHT_DIRECTIONAL_SHADOW - light_compute(normal,-light_direction_attenuation.xyz,eye_vec,binormal,tangent,light_color_energy.rgb*light_attenuation,albedo,light_params.z,roughness,rim,rim_tint,clearcoat,clearcoat_gloss,anisotropy,diffuse_light,specular_light); + light_compute(normal,-light_direction_attenuation.xyz,eye_vec,binormal,tangent,light_color_energy.rgb*light_attenuation,albedo,light_params.z*specular_blob_intensity,roughness,rim,rim_tint,clearcoat,clearcoat_gloss,anisotropy,diffuse_light,specular_light); #endif //#USE_LIGHT_DIRECTIONAL @@ -1664,8 +1672,6 @@ FRAGMENT_SHADER_CODE highp vec4 reflection_accum = vec4(0.0,0.0,0.0,0.0); highp vec4 ambient_accum = vec4(0.0,0.0,0.0,0.0); - - for(int i=0;i<reflection_count;i++) { reflection_process(reflection_indices[i],vertex,normal,binormal,tangent,roughness,anisotropy,ambient_light,specular_light,reflection_accum,ambient_accum); } @@ -1678,11 +1684,11 @@ FRAGMENT_SHADER_CODE } for(int i=0;i<omni_light_count;i++) { - light_process_omni(omni_light_indices[i],vertex,eye_vec,normal,binormal,tangent,albedo,roughness,rim,rim_tint,clearcoat,clearcoat_gloss,anisotropy,diffuse_light,specular_light); + light_process_omni(omni_light_indices[i],vertex,eye_vec,normal,binormal,tangent,albedo,roughness,rim,rim_tint,clearcoat,clearcoat_gloss,anisotropy,specular_blob_intensity,diffuse_light,specular_light); } for(int i=0;i<spot_light_count;i++) { - light_process_spot(spot_light_indices[i],vertex,eye_vec,normal,binormal,tangent,albedo,roughness,rim,rim_tint,clearcoat,clearcoat_gloss,anisotropy,diffuse_light,specular_light); + light_process_spot(spot_light_indices[i],vertex,eye_vec,normal,binormal,tangent,albedo,roughness,rim,rim_tint,clearcoat,clearcoat_gloss,anisotropy,specular_blob_intensity,diffuse_light,specular_light); } @@ -1714,11 +1720,15 @@ FRAGMENT_SHADER_CODE diffuse_light=mix(diffuse_light,vec3(0.0),metallic); ambient_light=mix(ambient_light,vec3(0.0),metallic); { + +#if defined(DIFFUSE_TOON) + //simplify for toon, as + specular_light *= specular * metallic * albedo * 2.0; +#else //brdf approximation (Lazarov 2013) float ndotv = clamp(dot(normal,eye_vec),0.0,1.0); - - //energy conservation vec3 dielectric = vec3(0.034) * specular * 2.0; + //energy conservation vec3 f0 = mix(dielectric, albedo, metallic); const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022); const vec4 c1 = vec4( 1.0, 0.0425, 1.04, -0.04); @@ -1727,6 +1737,8 @@ FRAGMENT_SHADER_CODE vec2 brdf = vec2( -1.04, 1.04 ) * a004 + r.zw; specular_light *= min(1.0,50.0 * f0.g) * brdf.y + brdf.x * f0; +#endif + } if (fog_color_enabled.a > 0.5) { |