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author | Geenz <geenz@geenzo.com> | 2013-04-09 11:46:52 -0400 |
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committer | Geenz <geenz@geenzo.com> | 2013-04-09 11:46:52 -0400 |
commit | 27fbf5efc9192813e5109443c60bfc26f99716ee (patch) | |
tree | b04206ff449518dfd2c9500db4eea27a9d29fa3f /indra/newview/app_settings/shaders/class1/deferred/diffuseAlphaMaskNoColorF.glsl | |
parent | c2df68743d53a9525f67cbec14637db9d56dd9fe (diff) |
Re-added RGB10_A2 normal buffer, this time encoded with a sphere map transform so we can store the environment intensity in the blue channel.
Diffstat (limited to 'indra/newview/app_settings/shaders/class1/deferred/diffuseAlphaMaskNoColorF.glsl')
-rw-r--r-- | indra/newview/app_settings/shaders/class1/deferred/diffuseAlphaMaskNoColorF.glsl | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/indra/newview/app_settings/shaders/class1/deferred/diffuseAlphaMaskNoColorF.glsl b/indra/newview/app_settings/shaders/class1/deferred/diffuseAlphaMaskNoColorF.glsl index ad65c7d330..37d70a2412 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/diffuseAlphaMaskNoColorF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/diffuseAlphaMaskNoColorF.glsl @@ -37,6 +37,12 @@ uniform sampler2D diffuseMap; VARYING vec3 vary_normal; VARYING vec2 vary_texcoord0; +vec2 encode_normal(vec3 n) +{ + float f = sqrt(8 * n.z + 8); + return n.xy / f + 0.5; +} + void main() { vec4 col = texture2D(diffuseMap, vary_texcoord0.xy); @@ -49,6 +55,6 @@ void main() frag_data[0] = vec4(col.rgb, 0.0); frag_data[1] = vec4(0,0,0,0); // spec vec3 nvn = normalize(vary_normal); - frag_data[2] = vec4(nvn.xyz * 0.5 + 0.5, 0.0); + frag_data[2] = vec4(encode_normal(nvn.xyz), 0.0, 0.0); } |