diff options
Diffstat (limited to 'indra/newview/app_settings/shaders/class1/deferred/spotLightF.glsl')
| -rwxr-xr-x | indra/newview/app_settings/shaders/class1/deferred/spotLightF.glsl | 34 |
1 files changed, 8 insertions, 26 deletions
diff --git a/indra/newview/app_settings/shaders/class1/deferred/spotLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/spotLightF.glsl index 3539c8d2b2..045d1a00cd 100755 --- a/indra/newview/app_settings/shaders/class1/deferred/spotLightF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/spotLightF.glsl @@ -65,22 +65,6 @@ uniform vec2 screen_res; uniform mat4 inv_proj; -#ifdef SINGLE_FP_ONLY -vec2 encode_normal(vec3 n) -{ - vec2 sn; - sn.xy = (n.xy * vec2(0.5f,0.5f)) + vec2(0.5f,0.5f); - return sn; -} - -vec3 decode_normal (vec2 enc) -{ - vec3 n; - n.xy = (enc.xy * vec2(2.0f,2.0f)) - vec2(1.0f,1.0f); - n.z = sqrt(1.0f - dot(n.xy,n.xy)); - return n; -} -#else vec2 encode_normal(vec3 n) { float f = sqrt(8 * n.z + 8); @@ -97,7 +81,6 @@ vec3 decode_normal (vec2 enc) n.z = 1-f/2; return n; } -#endif vec4 correctWithGamma(vec4 col) { @@ -175,9 +158,9 @@ void main() vec3 pos = getPosition(frag.xy).xyz; vec3 lv = trans_center.xyz-pos.xyz; - float dist2 = dot(lv,lv); - dist2 /= size; - if (dist2 > 1.0) + float dist = length(lv); + dist /= size; + if (dist > 1.0) { discard; } @@ -199,8 +182,10 @@ void main() proj_tc.xyz /= proj_tc.w; float fa = falloff+1.0; - float dist_atten = min(1.0-(dist2-1.0*(1.0-fa))/fa, 1.0); - dist_atten = pow(dist_atten, 2.2) * 2.2; + float dist_atten = min(1.0-(dist-1.0*(1.0-fa))/fa, 1.0); + dist_atten *= dist_atten; + dist_atten *= 2.0; + if (dist_atten <= 0.0) { discard; @@ -279,10 +264,7 @@ void main() //col += spec.rgb; } } - - - - + if (envIntensity > 0.0) { |