diff options
Diffstat (limited to 'indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl')
-rw-r--r-- | indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl | 29 |
1 files changed, 26 insertions, 3 deletions
diff --git a/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl index bff87cb6aa..09d23db096 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl @@ -40,6 +40,7 @@ uniform sampler2DRect normalMap; uniform samplerCube environmentMap; uniform sampler2D noiseMap; uniform sampler2D projectionMap; +uniform sampler2D lightFunc; uniform mat4 proj_mat; //screen space to light space uniform float proj_near; //near clip for projection @@ -142,7 +143,7 @@ void main() } vec3 norm = texture2DRect(normalMap, frag.xy).xyz; - norm = vec3((norm.xy-0.5)*2.0, norm.z); + norm = norm = (norm.xyz-0.5)*2.0; norm = normalize(norm); float l_dist = -dot(lv, proj_n); @@ -190,6 +191,8 @@ void main() vec3 lcol = color.rgb * plcol.rgb * plcol.a; lit = da * dist_atten * noise; + + lit = pow(lit, 0.7); col = lcol*lit*diff_tex; amb_da += (da*0.5)*proj_ambiance; @@ -236,8 +239,28 @@ void main() stc.x > 0.0 && stc.y > 0.0) { - vec4 scol = texture2DLodSpecular(projectionMap, stc.xy, proj_lod-spec.a*proj_lod); - col += dist_atten*scol.rgb*color.rgb*scol.a*spec.rgb; + + vec3 npos = -normalize(pos); + lv = pfinal-pos.xyz; + lv = normalize(lv); + + vec3 h = normalize(lv+npos); + float nh = dot(norm, h); + float nv = dot(norm, npos); + float vh = dot(npos, h); + float sa = nh; + float fres = pow(1 - dot(h, npos), 5)*0.4+0.5; + float gtdenom = 2 * nh; + float gt = max(0,(min(gtdenom * nv / vh, gtdenom * da / vh))); + + if (sa > 0.0) + { + float scol = fres * texture2D(lightFunc, vec2(nh, spec.a)).r * gt / (nh * da); + col += scol*color.rgb*texture2DLodSpecular(projectionMap, stc.xy, proj_lod-spec.a*proj_lod).rgb*spec.rgb; + } + + //vec4 scol = texture2DLodSpecular(projectionMap, stc.xy, proj_lod-spec.a*proj_lod); + //col += dist_atten*scol.rgb*color.rgb*scol.a*spec.rgb; } } } |