From 514186eee31c4bc44e7bc021bb9c526e4138cb07 Mon Sep 17 00:00:00 2001 From: Tofu Linden Date: Sun, 9 May 2010 15:02:10 +0100 Subject: Rejig deferred normal-map packing a little, to double its accuracy for free. (transplanted from bf541483d9074c18c6d4f4bd19caf0de82013cbf) --- indra/newview/app_settings/shaders/class1/deferred/sunLightSSAOF.glsl | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'indra/newview/app_settings/shaders/class1/deferred/sunLightSSAOF.glsl') diff --git a/indra/newview/app_settings/shaders/class1/deferred/sunLightSSAOF.glsl b/indra/newview/app_settings/shaders/class1/deferred/sunLightSSAOF.glsl index 7450817ea7..cdbed4b791 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/sunLightSSAOF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/sunLightSSAOF.glsl @@ -114,7 +114,8 @@ void main() vec4 pos = getPosition(pos_screen); - vec3 norm = texture2DRect(normalMap, pos_screen).xyz*2.0-1.0; + vec3 norm = texture2DRect(normalMap, pos_screen).xyz; + norm = vec3((norm.xy-0.5)*2.0,norm.z); // unpack norm gl_FragColor[0] = 1.0; gl_FragColor[1] = calcAmbientOcclusion(pos, norm); -- cgit v1.2.3