diff options
| author | Loren Shih <seraph@lindenlab.com> | 2011-05-26 12:00:58 -0400 |
|---|---|---|
| committer | Loren Shih <seraph@lindenlab.com> | 2011-05-26 12:00:58 -0400 |
| commit | cb3875fe72b120251c289302b958243e08a24e5b (patch) | |
| tree | 91c3e0fbbd2ec2af067e8644b40fd79e01796349 /indra/newview/app_settings/shaders/class1/deferred | |
| parent | 6f5313caea9bb8458dca23bbaf4f10cd6641c7fb (diff) | |
SH-1527 FIXED Fix for black alpha objects with lighting and shadows enabled and no lights around.
Diffstat (limited to 'indra/newview/app_settings/shaders/class1/deferred')
3 files changed, 45 insertions, 30 deletions
diff --git a/indra/newview/app_settings/shaders/class1/deferred/alphaSkinnedV.glsl b/indra/newview/app_settings/shaders/class1/deferred/alphaSkinnedV.glsl index 5addbbb176..65d9209983 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/alphaSkinnedV.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/alphaSkinnedV.glsl @@ -35,19 +35,24 @@ float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, floa //get distance float d = length(lv); - //normalize light vector - lv *= 1.0/d; + float da = 0.0; + + if (d > 0.0 && la > 0.0 && fa > 0.0) + { + //normalize light vector + lv *= 1.0/d; - //distance attenuation - float dist2 = d*d/(la*la); - float da = clamp(1.0-(dist2-1.0*(1.0-fa))/fa, 0.0, 1.0); + //distance attenuation + float dist2 = d*d/(la*la); + da = clamp(1.0-(dist2-1.0*(1.0-fa))/fa, 0.0, 1.0); - // spotlight coefficient. - float spot = max(dot(-ln, lv), is_pointlight); - da *= spot*spot; // GL_SPOT_EXPONENT=2 + // spotlight coefficient. + float spot = max(dot(-ln, lv), is_pointlight); + da *= spot*spot; // GL_SPOT_EXPONENT=2 - //angular attenuation - da *= calcDirectionalLight(n, lv); + //angular attenuation + da *= calcDirectionalLight(n, lv); + } return da; } diff --git a/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl b/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl index 525b68c437..2691fc8ded 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl @@ -36,19 +36,24 @@ float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, floa //get distance float d = length(lv); - //normalize light vector - lv *= 1.0/d; + float da = 0.0; + + if (d > 0.0 && la > 0.0 && fa > 0.0) + { + //normalize light vector + lv *= 1.0/d; - //distance attenuation - float dist2 = d*d/(la*la); - float da = clamp(1.0-(dist2-1.0*(1.0-fa))/fa, 0.0, 1.0); + //distance attenuation + float dist2 = d*d/(la*la); + da = clamp(1.0-(dist2-1.0*(1.0-fa))/fa, 0.0, 1.0); - // spotlight coefficient. - float spot = max(dot(-ln, lv), is_pointlight); - da *= spot*spot; // GL_SPOT_EXPONENT=2 + // spotlight coefficient. + float spot = max(dot(-ln, lv), is_pointlight); + da *= spot*spot; // GL_SPOT_EXPONENT=2 - //angular attenuation - da *= calcDirectionalLight(n, lv); + //angular attenuation + da *= calcDirectionalLight(n, lv); + } return da; } diff --git a/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaV.glsl b/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaV.glsl index a2a7dea20d..a012cb5030 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaV.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaV.glsl @@ -35,19 +35,24 @@ float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, floa //get distance float d = length(lv); - //normalize light vector - lv *= 1.0/d; + float da = 0.0; + + if (d > 0.0 && la > 0.0 && fa > 0.0) + { + //normalize light vector + lv *= 1.0/d; - //distance attenuation - float dist2 = d*d/(la*la); - float da = clamp(1.0-(dist2-1.0*(1.0-fa))/fa, 0.0, 1.0); + //distance attenuation + float dist2 = d*d/(la*la); + da = clamp(1.0-(dist2-1.0*(1.0-fa))/fa, 0.0, 1.0); - // spotlight coefficient. - float spot = max(dot(-ln, lv), is_pointlight); - da *= spot*spot; // GL_SPOT_EXPONENT=2 + // spotlight coefficient. + float spot = max(dot(-ln, lv), is_pointlight); + da *= spot*spot; // GL_SPOT_EXPONENT=2 - //angular attenuation - da *= calcDirectionalLight(n, lv); + //angular attenuation + da *= calcDirectionalLight(n, lv); + } return da; } |