diff options
Diffstat (limited to 'indra/newview/app_settings/shaders/class1/deferred/diffuseF.glsl')
| -rwxr-xr-x[-rw-r--r--] | indra/newview/app_settings/shaders/class1/deferred/diffuseF.glsl | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/indra/newview/app_settings/shaders/class1/deferred/diffuseF.glsl b/indra/newview/app_settings/shaders/class1/deferred/diffuseF.glsl index 227aa2aae3..6befb1bd8b 100644..100755 --- a/indra/newview/app_settings/shaders/class1/deferred/diffuseF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/diffuseF.glsl @@ -35,6 +35,12 @@ VARYING vec3 vary_normal; VARYING vec4 vertex_color; VARYING vec2 vary_texcoord0; +vec2 encode_normal(vec3 n) +{ + float f = sqrt(8 * n.z + 8); + return n.xy / f + 0.5; +} + void main() { vec3 col = vertex_color.rgb * texture2D(diffuseMap, vary_texcoord0.xy).rgb; @@ -42,6 +48,6 @@ void main() frag_data[1] = vertex_color.aaaa; // spec //frag_data[1] = vec4(vec3(vertex_color.a), vertex_color.a+(1.0-vertex_color.a)*vertex_color.a); // spec - from former class3 - maybe better, but not so well tested vec3 nvn = normalize(vary_normal); - frag_data[2] = vec4(nvn.xy * 0.5 + 0.5, nvn.z, 0.0); + frag_data[2] = vec4(encode_normal(nvn.xyz), vertex_color.a, 0.0); } |