diff options
Diffstat (limited to 'indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl')
-rwxr-xr-x | indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl | 76 |
1 files changed, 39 insertions, 37 deletions
diff --git a/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl index e99d7ee626..f53bba08c9 100755 --- a/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl @@ -67,38 +67,38 @@ 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);
- return n.xy / f + 0.5;
-}
-
-vec3 decode_normal (vec2 enc)
-{
- vec2 fenc = enc*4-2;
- float f = dot(fenc,fenc);
- float g = sqrt(1-f/4);
- vec3 n;
- n.xy = fenc*g;
- n.z = 1-f/2;
- return n;
-}
+#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); + return n.xy / f + 0.5; +} + +vec3 decode_normal (vec2 enc) +{ + vec2 fenc = enc*4-2; + float f = dot(fenc,fenc); + float g = sqrt(1-f/4); + vec3 n; + n.xy = fenc*g; + n.z = 1-f/2; + return n; +} #endif vec4 correctWithGamma(vec4 col) @@ -177,9 +177,9 @@ void main() vec3 pos = getPosition(frag.xy).xyz; vec3 lv = 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; } @@ -201,8 +201,10 @@ 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 *= 1.4; + if (dist_atten <= 0.0) { discard; |