1 files changed, 0 insertions, 157 deletions
diff --git a/indra/newview/app_settings/shaders/class3/deferred/shadowUtil.glsl b/indra/newview/app_settings/shaders/class3/deferred/shadowUtil.glsl
deleted file mode 100644
index 2f69a353e8..0000000000
--- a/indra/newview/app_settings/shaders/class3/deferred/shadowUtil.glsl
+++ /dev/null
@@ -1,157 +0,0 @@
-/** 
- * @file class3/deferred/shadowUtil.glsl
- *
- * $LicenseInfo:firstyear=2007&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2007, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-uniform sampler2D       shadowMap0;
-uniform sampler2D       shadowMap1;
-uniform sampler2D       shadowMap2;
-uniform sampler2D       shadowMap3;
-uniform sampler2D       shadowMap4;
-uniform sampler2D       shadowMap5;
-
-uniform vec3 sun_dir;
-uniform vec3 moon_dir;
-uniform vec2 shadow_res;
-uniform vec2 proj_shadow_res;
-uniform mat4 shadow_matrix[6];
-uniform vec4 shadow_clip;
-uniform float shadow_bias;
-
-uniform float spot_shadow_bias;
-uniform float spot_shadow_offset;
-
-float getDepth(vec2 screenpos);
-vec3 getNorm(vec2 screenpos);
-vec4 getPosition(vec2 pos_screen);
-
-float ReduceLightBleeding(float p_max, float Amount)
-{
-    return smoothstep(Amount, 1, p_max);
-}
-
-float ChebyshevUpperBound(vec2 m, float t, float min_v, float Amount)
-{
-    float p = (t <= m.x) ? 1.0 : 0.0;
-
-    float v = m.y - (m.x*m.x);
-    v = max(v, min_v);
-
-    float d = t - m.x;
-
-    float p_max = v / (v + d*d);
-
-    p_max = ReduceLightBleeding(p_max, Amount);
-
-    return max(p, p_max);
-}
-
-vec4 computeMoments(float depth, float a)
-{
-    float m1 = depth;
-    float dx = dFdx(depth);
-    float dy = dFdy(depth);
-    float m2 = m1*m1 + 0.25 * a * (dx*dx + dy*dy);
-    return vec4(m1, m2, a, max(dx, dy));
-}
-
-float vsmDirectionalSample(vec4 stc, float depth, sampler2D shadowMap, mat4 shadowMatrix)
-{
-    vec4 lpos = shadowMatrix * stc;
-    vec4 moments = texture2D(shadowMap, lpos.xy);
-    return ChebyshevUpperBound(moments.rg, depth - shadow_bias * 256.0f, 0.125, 0.9);
-}
-
-float vsmSpotSample(vec4 stc, float depth, sampler2D shadowMap, mat4 shadowMatrix)
-{
-    vec4 lpos = shadowMatrix * stc;
-    vec4 moments = texture2D(shadowMap, lpos.xy);
-    lpos.xyz /= lpos.w;
-    lpos.xy *= 0.5;
-    lpos.xy += 0.5;
-    return ChebyshevUpperBound(moments.rg, depth - spot_shadow_bias * 16.0f, 0.125, 0.9);
-}
-
-#if VSM_POINT_SHADOWS
-float vsmPointSample(float lightDistance, vec3 lightDirection, samplerCube shadow_cube_map)
-{
-    vec4 moments = textureCube(shadow_cube_map, light_direction);
-    return ChebyshevUpperBound(moments.rg, light_distance, 0.01, 0.25);
-}
-#endif
-
-float sampleDirectionalShadow(vec3 pos, vec3 norm, vec2 pos_screen)
-{
-	if (pos.z < -shadow_clip.w)
-    {
-        discard;
-    }
-
-    float depth = getDepth(pos_screen);
-
-    vec4 spos       = vec4(pos,1.0);
-    vec4 near_split = shadow_clip*-0.75;
-    vec4 far_split  = shadow_clip*-1.25;
-
-    float shadow = 0.0f;
-    float weight = 1.0;
-
-    if (spos.z < near_split.z)
-    {
-        shadow += vsmDirectionalSample(spos, depth, shadowMap3, shadow_matrix[3]);
-        weight += 1.0f;
-    }
-    if (spos.z < near_split.y)
-    {
-        shadow += vsmDirectionalSample(spos, depth, shadowMap2, shadow_matrix[2]);
-        weight += 1.0f;
-    }
-    if (spos.z < near_split.x)
-    {
-        shadow += vsmDirectionalSample(spos, depth, shadowMap1, shadow_matrix[1]);
-        weight += 1.0f;
-    }
-    if (spos.z > far_split.x)
-    {
-        shadow += vsmDirectionalSample(spos, depth, shadowMap0, shadow_matrix[0]);
-        weight += 1.0f;
-    }
-
-    shadow /= weight;
-
-    return shadow;
-}
-
-float sampleSpotShadow(vec3 pos, vec3 norm, int index, vec2 pos_screen)
-{
-	if (pos.z < -shadow_clip.w)
-    {
-        discard;
-    }
-
-    float depth = getDepth(pos_screen);
-
-    pos += norm * spot_shadow_offset;
-    return vsmSpotSample(vec4(pos, 1.0), depth, (index == 0) ? shadowMap4 : shadowMap5, shadow_matrix[4 + index]);
-}
-