diff options
| -rwxr-xr-x | indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl | 36 |
1 files changed, 22 insertions, 14 deletions
diff --git a/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl b/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl index e836e9750f..ea6d22d9c2 100755 --- a/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl @@ -85,7 +85,7 @@ vec3 calcDirectionalLight(vec3 n, vec3 l) return vec3(a,a,a); } -vec3 calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float fa, float is_pointlight) +vec3 calcPointLightOrSpotLight(vec3 light_col, vec3 diffuse, vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float fa, float is_pointlight) { //get light vector vec3 lv = lp.xyz-v; @@ -93,7 +93,9 @@ vec3 calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float //get distance float d = length(lv); - float da = 0.0; + float da = 1.0; + + vec3 col = vec3(0); if (d > 0.0 && la > 0.0 && fa > 0.0) { @@ -102,20 +104,25 @@ vec3 calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float //distance attenuation float dist = d/la; - da = clamp(1.0-(dist-1.0*(1.0-fa))/fa, 0.0, 1.0); - da *= da; - da *= 2.0; - + float dist_atten = clamp(1.0-(dist-1.0*(1.0-fa))/fa, 0.0, 1.0); + dist_atten *= dist_atten; + dist_atten *= 2.0; // spotlight coefficient. float spot = max(dot(-ln, lv), is_pointlight); da *= spot*spot; // GL_SPOT_EXPONENT=2 //angular attenuation - da *= max(dot(n, lv), 0.0); + da *= max(dot(n, lv), 0.0); + + float lit = max(da * dist_atten,0.0); + + col = light_col * lit * diffuse; + + // no spec for alpha shader... } - return vec3(da,da,da); + return max(col, vec3(0.0,0.0,0.0)); } #if HAS_SHADOW @@ -321,15 +328,12 @@ void main() color.rgb *= gamma_diff.rgb; color.rgb = atmosLighting(color.rgb); - color.rgb = scaleSoftClip(color.rgb); - - color.rgb = srgb_to_linear(color.rgb); col = vec4(0,0,0,0); - #define LIGHT_LOOP(i) col.rgb += light_diffuse[i].rgb * calcPointLightOrSpotLight(pos.xyz, normal, light_position[i], light_direction[i].xyz, light_attenuation[i].x, light_attenuation[i].y, light_attenuation[i].z); - + #define LIGHT_LOOP(i) col.rgb += calcPointLightOrSpotLight(light_diffuse[i].rgb, diff.rgb, pos.xyz, normal, light_position[i], light_direction[i].xyz, light_attenuation[i].x, light_attenuation[i].y, light_attenuation[i].z); + LIGHT_LOOP(1) LIGHT_LOOP(2) LIGHT_LOOP(3) @@ -338,8 +342,12 @@ void main() LIGHT_LOOP(6) LIGHT_LOOP(7) - color.rgb += diff.rgb * vary_pointlight_col_linear * col.rgb; + // keep it linear + // + color.rgb = srgb_to_linear(color.rgb) + col.rgb; + // ramp directly to display gamma as we're POST-deferred + // color.rgb = pow(color.rgb,vec3(display_gamma)); #ifdef WATER_FOG |