diff options
Diffstat (limited to 'drivers/gles3/shaders')
| -rw-r--r-- | drivers/gles3/shaders/cubemap_filter.glsl | 4 | ||||
| -rw-r--r-- | drivers/gles3/shaders/scene.glsl | 68 |
2 files changed, 59 insertions, 13 deletions
diff --git a/drivers/gles3/shaders/cubemap_filter.glsl b/drivers/gles3/shaders/cubemap_filter.glsl index 10a803cafe..393ef2892a 100644 --- a/drivers/gles3/shaders/cubemap_filter.glsl +++ b/drivers/gles3/shaders/cubemap_filter.glsl @@ -204,7 +204,9 @@ vec4 textureDualParaboloidArray(vec3 normal) { vec3 norm = normalize(normal); norm.xy/=1.0+abs(norm.z); norm.xy=norm.xy * vec2(0.5,0.25) + vec2(0.5,0.25); - norm.y+=max(0.0,sign(-norm.z))*0.5; + if (norm.z<0) { + norm.y=0.5-norm.y+0.5; + } return textureLod(source_dual_paraboloid_array, vec3(norm.xy, float(source_array_index) ), 0.0); } diff --git a/drivers/gles3/shaders/scene.glsl b/drivers/gles3/shaders/scene.glsl index cea963503f..6fbfeeff6c 100644 --- a/drivers/gles3/shaders/scene.glsl +++ b/drivers/gles3/shaders/scene.glsl @@ -775,6 +775,10 @@ LIGHT_SHADER_CODE diffuse += diffuse_color * max(0.0, NdotL) * (A + vec3(B) * s / t) / M_PI; } +#elif defined(DIFFUSE_TOON) + + diffuse += smoothstep(-roughness,max(roughness,0.01),dot(N,L)) * light_color * diffuse_color; + #elif defined(DIFFUSE_BURLEY) { @@ -805,6 +809,37 @@ LIGHT_SHADER_CODE if (roughness > 0.0) { + + // D + +#if defined(SPECULAR_BLINN) + + 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_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_blob_intensity; + +#elif defined(SPECULAR_TOON) + + vec3 R = normalize(-reflect(L,N)); + float dotNV = dot(R,V); + float mid = 1.0-roughness; + 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 float alpha = roughness * roughness; vec3 H = normalize(V + L); @@ -812,7 +847,6 @@ LIGHT_SHADER_CODE float dotNH = max(dot(N,H), 0.0 ); float dotLH = max(dot(L,H), 0.0 ); - // D #if defined(LIGHT_USE_ANISOTROPY) float aspect = sqrt(1.0-anisotropy*0.9); @@ -844,6 +878,7 @@ LIGHT_SHADER_CODE float speci = dotNL * D * F * vis; specular += speci * light_color * specular_blob_intensity; +#endif #if defined(LIGHT_USE_CLEARCOAT) float Dr = GTR1(dotNH, mix(.1,.001,clearcoat_gloss)); @@ -934,7 +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 ); @@ -985,11 +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 ); @@ -1018,7 +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); } @@ -1477,6 +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); @@ -1616,7 +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 @@ -1632,8 +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); } @@ -1646,11 +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); } @@ -1682,11 +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); - + vec3 dielectric = vec3(0.034) * specular * 2.0; //energy conservation - vec3 dielectric = vec3(0.034) * 0.5 * 2.0; 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); @@ -1695,6 +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) { |