From 98b2fed85fd459012ed2b859ea40a3f56d27c0e8 Mon Sep 17 00:00:00 2001 From: "Graham Linden graham@lindenlab.com" Date: Mon, 12 Mar 2018 17:52:04 +0100 Subject: De-duplicate shader code for encoding and decoding normals to/from gbuffer format. --- .../app_settings/shaders/class2/deferred/sunLightF.glsl | 17 +---------------- 1 file changed, 1 insertion(+), 16 deletions(-) (limited to 'indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl') diff --git a/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl index 265da8df99..aa5e99a2f7 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl @@ -67,22 +67,7 @@ uniform float shadow_offset; uniform float spot_shadow_bias; uniform float spot_shadow_offset; -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; -} +vec3 decode_normal (vec2 enc); vec4 getPosition(vec2 pos_screen) { -- cgit v1.2.3