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authorDave Parks <davep@lindenlab.com>2013-07-03 12:59:29 -0500
committerDave Parks <davep@lindenlab.com>2013-07-03 12:59:29 -0500
commitcf3b7bbe4b932b683d0d30c95505f45d16a1d2a7 (patch)
treef016595e0017c6ba0f6623021f9e95d5cf82660c /indra/newview/app_settings/shaders
parentc4d6c4213f263456fc48be468cb5596c35ccd6ec (diff)
NORSPEC-298 Fix for inconsistent alpha lighting when diffuse color is not white.
Diffstat (limited to 'indra/newview/app_settings/shaders')
-rwxr-xr-xindra/newview/app_settings/shaders/class1/deferred/alphaF.glsl4
-rwxr-xr-xindra/newview/app_settings/shaders/class1/deferred/alphaV.glsl15
-rwxr-xr-xindra/newview/app_settings/shaders/class2/deferred/alphaV.glsl224
3 files changed, 15 insertions, 228 deletions
diff --git a/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl b/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl
index e80e4b0fcf..640e273415 100755
--- a/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl
@@ -61,6 +61,7 @@ VARYING vec3 vary_directional;
VARYING vec3 vary_fragcoord;
VARYING vec3 vary_position;
VARYING vec3 vary_pointlight_col;
+VARYING vec3 vary_pointlight_col_linear;
VARYING vec2 vary_texcoord0;
VARYING vec3 vary_norm;
@@ -228,6 +229,7 @@ void main()
{
shadow = 1.0;
}
+
#endif
#ifdef USE_INDEXED_TEX
@@ -276,7 +278,7 @@ void main()
LIGHT_LOOP(6)
LIGHT_LOOP(7)
- color.rgb += diff.rgb * srgb_to_linear(vary_pointlight_col) * col.rgb;
+ color.rgb += diff.rgb * vary_pointlight_col_linear * col.rgb;
color.rgb = linear_to_srgb(color.rgb);
diff --git a/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl b/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl
index 9d3ba564cd..6b5b54b863 100755
--- a/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl
@@ -68,6 +68,7 @@ VARYING vec3 vary_directional;
VARYING vec3 vary_fragcoord;
VARYING vec3 vary_position;
VARYING vec3 vary_pointlight_col;
+VARYING vec3 vary_pointlight_col_linear;
#ifdef USE_VERTEX_COLOR
VARYING vec4 vertex_color;
@@ -86,6 +87,16 @@ uniform vec3 light_diffuse[8];
uniform vec3 sun_dir;
+vec3 srgb_to_linear(vec3 cs)
+{
+
+/* { cs / 12.92, cs <= 0.04045
+ cl = {
+ { ((cs + 0.055)/1.055)^2.4, cs > 0.04045*/
+
+ return pow((cs+vec3(0.055))/vec3(1.055), vec3(2.4));
+}
+
vec3 calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float fa, float is_pointlight)
{
//get light vector
@@ -178,10 +189,8 @@ void main()
vec3 diff = diffuse_color.rgb;
-
-
vary_pointlight_col = diff;
-
+ vary_pointlight_col_linear = srgb_to_linear(diff);
col.rgb = vec3(0,0,0);
diff --git a/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl b/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl
deleted file mode 100755
index 13c6ffc607..0000000000
--- a/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl
+++ /dev/null
@@ -1,224 +0,0 @@
-/**
- * @file alphaV.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 mat3 normal_matrix;
-uniform mat4 texture_matrix0;
-uniform mat4 projection_matrix;
-uniform mat4 modelview_matrix;
-uniform mat4 modelview_projection_matrix;
-
-ATTRIBUTE vec3 position;
-
-#ifdef USE_INDEXED_TEX
-void passTextureIndex();
-#endif
-
-ATTRIBUTE vec3 normal;
-
-#ifdef USE_VERTEX_COLOR
-ATTRIBUTE vec4 diffuse_color;
-#endif
-
-ATTRIBUTE vec2 texcoord0;
-
-#ifdef HAS_SKIN
-mat4 getObjectSkinnedTransform();
-#else
-#ifdef IS_AVATAR_SKIN
-mat4 getSkinnedTransform();
-#endif
-#endif
-
-vec4 calcLighting(vec3 pos, vec3 norm, vec4 color, vec4 baseCol);
-void calcAtmospherics(vec3 inPositionEye);
-
-vec3 calcDirectionalLight(vec3 n, vec3 l);
-
-vec3 atmosAmbient(vec3 light);
-vec3 atmosAffectDirectionalLight(float lightIntensity);
-vec3 scaleDownLight(vec3 light);
-vec3 scaleUpLight(vec3 light);
-
-VARYING vec3 vary_ambient;
-VARYING vec3 vary_directional;
-VARYING vec3 vary_fragcoord;
-VARYING vec3 vary_position;
-VARYING vec3 vary_pointlight_col;
-
-#ifdef USE_VERTEX_COLOR
-VARYING vec4 vertex_color;
-#endif
-
-VARYING vec2 vary_texcoord0;
-VARYING vec3 vary_norm;
-
-uniform float near_clip;
-uniform float shadow_offset;
-uniform float shadow_bias;
-
-uniform vec4 light_position[8];
-uniform vec3 light_direction[8];
-uniform vec3 light_attenuation[8];
-uniform vec3 light_diffuse[8];
-
-uniform vec3 sun_dir;
-
-vec3 calcDirectionalLight(vec3 n, vec3 l)
-{
- float a = max(dot(n,l),0.0);
- return vec3(a,a,a);
-}
-
-vec3 calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float fa, float is_pointlight)
-{
- //get light vector
- vec3 lv = lp.xyz-v;
-
- //get distance
- float d = dot(lv,lv);
-
- float da = 0.0;
-
- if (d > 0.0 && la > 0.0 && fa > 0.0)
- {
- //normalize light vector
- lv = normalize(lv);
-
- //distance attenuation
- float dist2 = d/la;
- da = clamp(1.0-(dist2-1.0*(1.0-fa))/fa, 0.0, 1.0);
-
- // spotlight coefficient.
- float spot = max(dot(-ln, lv), is_pointlight);
- da *= spot*spot; // GL_SPOT_EXPONENT=2
-
- //angular attenuation
- da *= max(dot(n, lv), 0.0);
- }
-
- return vec3(da,da,da);
-}
-
-void main()
-{
- vec4 pos;
- vec3 norm;
-
- //transform vertex
-#ifdef HAS_SKIN
- mat4 trans = getObjectSkinnedTransform();
- trans = modelview_matrix * trans;
-
- pos = trans * vec4(position.xyz, 1.0);
-
- norm = position.xyz + normal.xyz;
- norm = normalize((trans * vec4(norm, 1.0)).xyz - pos.xyz);
- vec4 frag_pos = projection_matrix * pos;
- gl_Position = frag_pos;
-#else
-
-#ifdef IS_AVATAR_SKIN
- mat4 trans = getSkinnedTransform();
- vec4 pos_in = vec4(position.xyz, 1.0);
- pos.x = dot(trans[0], pos_in);
- pos.y = dot(trans[1], pos_in);
- pos.z = dot(trans[2], pos_in);
- pos.w = 1.0;
-
- norm.x = dot(trans[0].xyz, normal);
- norm.y = dot(trans[1].xyz, normal);
- norm.z = dot(trans[2].xyz, normal);
- norm = normalize(norm);
-
- vec4 frag_pos = projection_matrix * pos;
- gl_Position = frag_pos;
-#else
- norm = normalize(normal_matrix * normal);
- vec4 vert = vec4(position.xyz, 1.0);
- pos = (modelview_matrix * vert);
- gl_Position = modelview_projection_matrix*vec4(position.xyz, 1.0);
-#endif
-
-#endif
-
-#ifdef USE_INDEXED_TEX
- passTextureIndex();
- vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy;
-#else
- vary_texcoord0 = texcoord0;
-#endif
-
- vary_norm = norm;
- float dp_directional_light = max(0.0, dot(norm, light_position[0].xyz));
- vary_position = pos.xyz + light_position[0].xyz * (1.0-dp_directional_light)*shadow_offset;
-
- calcAtmospherics(pos.xyz);
-
-#ifndef USE_VERTEX_COLOR
- vec4 diffuse_color = vec4(1,1,1,1);
-#endif
-
- //vec4 color = calcLighting(pos.xyz, norm, diffuse_color, vec4(0.));
- vec4 col = vec4(0.0, 0.0, 0.0, diffuse_color.a);
-
- vec3 dff = pow(diffuse_color.rgb, vec3(2.2f,2.2f,2.2f));
-
- vary_pointlight_col = dff;
-
- col.rgb = vec3(0,0,0);
-
- // Add windlight lights
- col.rgb = atmosAmbient(col.rgb);
-
- float ambient = min(abs(dot(norm.xyz, sun_dir.xyz)), 1.0);
- ambient *= 0.5;
- ambient *= ambient;
- ambient = (1.0-ambient);
-
- col.rgb *= ambient;
-
- vary_directional.rgb = atmosAffectDirectionalLight(1.0f);
- vary_ambient = col.rgb*dff;
-
- col.rgb = col.rgb*dff;
-
-#ifdef USE_VERTEX_COLOR
- vertex_color = col;
-#endif
-
-#ifdef HAS_SKIN
- vary_fragcoord.xyz = frag_pos.xyz + vec3(0,0,near_clip);
-#else
-
-#ifdef IS_AVATAR_SKIN
- vary_fragcoord.xyz = pos.xyz + vec3(0,0,near_clip);
-#else
- pos = modelview_projection_matrix * vert;
- vary_fragcoord.xyz = pos.xyz + vec3(0,0,near_clip);
-#endif
-
-#endif
-
-}