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-rw-r--r--indra/newview/app_settings/shaders/class1/deferred/cloudShadowF.glsl126
-rw-r--r--indra/newview/app_settings/shaders/class1/deferred/cloudShadowV.glsl63
-rw-r--r--indra/newview/app_settings/shaders/class1/deferred/cloudsF.glsl14
-rw-r--r--indra/newview/app_settings/shaders/class1/deferred/cloudsV.glsl38
-rw-r--r--indra/newview/app_settings/shaders/class1/deferred/moonF.glsl3
-rw-r--r--indra/newview/app_settings/shaders/class1/deferred/skyF.glsl4
-rw-r--r--indra/newview/app_settings/shaders/class1/deferred/skyV.glsl36
-rw-r--r--indra/newview/app_settings/shaders/class1/windlight/cloudShadowF.glsl126
-rw-r--r--indra/newview/app_settings/shaders/class1/windlight/cloudShadowV.glsl61
-rw-r--r--indra/newview/app_settings/shaders/class1/windlight/moonF.glsl3
-rw-r--r--indra/newview/app_settings/shaders/class2/deferred/skyF.glsl32
-rw-r--r--indra/newview/app_settings/shaders/class2/windlight/atmosphericsFuncs.glsl46
-rw-r--r--indra/newview/app_settings/shaders/class2/windlight/cloudsF.glsl14
-rw-r--r--indra/newview/app_settings/shaders/class2/windlight/cloudsV.glsl38
-rw-r--r--indra/newview/app_settings/shaders/class2/windlight/skyV.glsl36
15 files changed, 131 insertions, 509 deletions
diff --git a/indra/newview/app_settings/shaders/class1/deferred/cloudShadowF.glsl b/indra/newview/app_settings/shaders/class1/deferred/cloudShadowF.glsl
deleted file mode 100644
index afcb309e33..0000000000
--- a/indra/newview/app_settings/shaders/class1/deferred/cloudShadowF.glsl
+++ /dev/null
@@ -1,126 +0,0 @@
-/**
- * @file class3/deferred/cloudsF.glsl
- *
- * $LicenseInfo:firstyear=2005&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2005, 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
- * $/LicenseInfo$
- */
-
-#ifdef DEFINE_GL_FRAGCOLOR
-out vec4 frag_color;
-#else
-#define frag_color gl_FragColor
-#endif
-
-uniform sampler2D diffuseMap;
-
-VARYING vec4 pos;
-VARYING float target_pos_x;
-VARYING float vary_CloudDensity;
-VARYING vec2 vary_texcoord0;
-VARYING vec2 vary_texcoord1;
-VARYING vec2 vary_texcoord2;
-VARYING vec2 vary_texcoord3;
-
-uniform sampler2D cloud_noise_texture;
-uniform sampler2D cloud_noise_texture_next;
-uniform float blend_factor;
-uniform vec4 cloud_pos_density1;
-uniform vec4 cloud_pos_density2;
-uniform vec4 sunlight_color;
-uniform float cloud_shadow;
-uniform float cloud_scale;
-uniform float cloud_variance;
-uniform vec3 camPosLocal;
-uniform vec3 sun_dir;
-uniform float sun_size;
-uniform float far_z;
-
-#if !defined(DEPTH_CLAMP)
-VARYING vec4 post_pos;
-#endif
-
-vec4 cloudNoise(vec2 uv)
-{
- vec4 a = texture2D(cloud_noise_texture, uv);
- vec4 b = texture2D(cloud_noise_texture_next, uv);
- vec4 cloud_noise_sample = mix(a, b, blend_factor);
- return normalize(cloud_noise_sample);
-}
-
-void main()
-{
- // Set variables
- vec2 uv1 = vary_texcoord0.xy;
- vec2 uv2 = vary_texcoord1.xy;
- vec2 uv3 = vary_texcoord2.xy;
- float cloudDensity = 2.0 * (cloud_shadow - 0.25);
-
- if (cloud_scale >= 0.0001)
- {
- vec2 uv4 = vary_texcoord3.xy;
-
- vec2 disturbance = vec2(cloudNoise(uv1 / 8.0f).x, cloudNoise((uv3 + uv1) / 16.0f).x) * cloud_variance * (1.0f - cloud_scale * 0.25f);
- vec2 disturbance2 = vec2(cloudNoise((uv1 + uv3) / 4.0f).x, cloudNoise((uv4 + uv2) / 8.0f).x) * cloud_variance * (1.0f - cloud_scale * 0.25f);
-
- // Offset texture coords
- uv1 += cloud_pos_density1.xy + (disturbance * 0.2); //large texture, visible density
- uv2 += cloud_pos_density1.xy; //large texture, self shadow
- uv3 += cloud_pos_density2.xy; //small texture, visible density
- uv4 += cloud_pos_density2.xy; //small texture, self shadow
-
- float density_variance = min(1.0, (disturbance.x* 2.0 + disturbance.y* 2.0 + disturbance2.x + disturbance2.y) * 4.0);
-
- cloudDensity *= 1.0 - (density_variance * density_variance);
-
- // Compute alpha1, the main cloud opacity
- float alpha1 = (cloudNoise(uv1).x - 0.5) + (cloudNoise(uv3).x - 0.5) * cloud_pos_density2.z;
- alpha1 = min(max(alpha1 + cloudDensity, 0.) * 10 * cloud_pos_density1.z, 1.);
-
- // And smooth
- alpha1 = 1. - alpha1 * alpha1;
- alpha1 = 1. - alpha1 * alpha1;
-
- if (alpha1 < 0.001f)
- {
- discard;
- }
-
- // Compute alpha2, for self shadowing effect
- // (1 - alpha2) will later be used as percentage of incoming sunlight
- float alpha2 = (cloudNoise(uv2).x - 0.5);
- alpha2 = min(max(alpha2 + cloudDensity, 0.) * 2.5 * cloud_pos_density1.z, 1.);
-
- // And smooth
- alpha2 = 1. - alpha2;
- alpha2 = 1. - alpha2 * alpha2;
-
- frag_color = vec4(alpha1, alpha1, alpha1, 1);
- }
- else
- {
- frag_color = vec4(1);
- }
-
-#if !defined(DEPTH_CLAMP)
- gl_FragDepth = max(post_pos.z/post_pos.w*0.5+0.5, 0.0);
-#endif
-
-}
diff --git a/indra/newview/app_settings/shaders/class1/deferred/cloudShadowV.glsl b/indra/newview/app_settings/shaders/class1/deferred/cloudShadowV.glsl
deleted file mode 100644
index effb070f93..0000000000
--- a/indra/newview/app_settings/shaders/class1/deferred/cloudShadowV.glsl
+++ /dev/null
@@ -1,63 +0,0 @@
-/**
- * @file cloudShadowV.glsl
- *
- * $LicenseInfo:firstyear=2011&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2011, 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 mat4 texture_matrix0;
-uniform mat4 modelview_projection_matrix;
-uniform float shadow_target_width;
-
-ATTRIBUTE vec3 position;
-ATTRIBUTE vec4 diffuse_color;
-ATTRIBUTE vec2 texcoord0;
-
-#if !defined(DEPTH_CLAMP)
-VARYING float pos_zd2;
-#endif
-
-VARYING vec4 pos;
-VARYING float target_pos_x;
-VARYING vec2 vary_texcoord0;
-VARYING vec4 vertex_color;
-
-void passTextureIndex();
-
-void main()
-{
- //transform vertex
- vec4 pre_pos = vec4(position.xyz, 1.0);
- pos = modelview_projection_matrix * pre_pos;
- target_pos_x = 0.5 * (shadow_target_width - 1.0) * pos.x;
-
-#if !defined(DEPTH_CLAMP)
- pos_zd2 = pos.z * 0.5;
- gl_Position = vec4(pos.x, pos.y, pos.w*0.5, pos.w);
-#else
- gl_Position = pos;
-#endif
-
- passTextureIndex();
-
- vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy;
- vertex_color = diffuse_color;
-}
diff --git a/indra/newview/app_settings/shaders/class1/deferred/cloudsF.glsl b/indra/newview/app_settings/shaders/class1/deferred/cloudsF.glsl
index 348e0f5228..788ce4a47b 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/cloudsF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/cloudsF.glsl
@@ -34,15 +34,15 @@ out vec4 frag_data[3];
// The fragment shader for the sky
/////////////////////////////////////////////////////////////////////////
-VARYING vec4 vary_CloudColorSun;
-VARYING vec4 vary_CloudColorAmbient;
+VARYING vec3 vary_CloudColorSun;
+VARYING vec3 vary_CloudColorAmbient;
VARYING float vary_CloudDensity;
uniform sampler2D cloud_noise_texture;
uniform sampler2D cloud_noise_texture_next;
uniform float blend_factor;
-uniform vec4 cloud_pos_density1;
-uniform vec4 cloud_pos_density2;
+uniform vec3 cloud_pos_density1;
+uniform vec3 cloud_pos_density2;
uniform float cloud_scale;
uniform float cloud_variance;
@@ -69,8 +69,8 @@ void main()
vec2 uv1 = vary_texcoord0.xy;
vec2 uv2 = vary_texcoord1.xy;
- vec4 cloudColorSun = vary_CloudColorSun;
- vec4 cloudColorAmbient = vary_CloudColorAmbient;
+ vec3 cloudColorSun = vary_CloudColorSun;
+ vec3 cloudColorAmbient = vary_CloudColorAmbient;
float cloudDensity = vary_CloudDensity;
vec2 uv3 = vary_texcoord2.xy;
vec2 uv4 = vary_texcoord3.xy;
@@ -115,7 +115,7 @@ void main()
alpha2 = 1. - alpha2 * alpha2;
// Combine
- vec4 color;
+ vec3 color;
color = (cloudColorSun*(1.-alpha2) + cloudColorAmbient);
color.rgb= max(vec3(0), color.rgb);
color.rgb *= 2.0;
diff --git a/indra/newview/app_settings/shaders/class1/deferred/cloudsV.glsl b/indra/newview/app_settings/shaders/class1/deferred/cloudsV.glsl
index 8e0a001403..5ca210863e 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/cloudsV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/cloudsV.glsl
@@ -33,8 +33,8 @@ ATTRIBUTE vec2 texcoord0;
///////////////////////////////////////////////////////////////////////////////
// Output parameters
-VARYING vec4 vary_CloudColorSun;
-VARYING vec4 vary_CloudColorAmbient;
+VARYING vec3 vary_CloudColorSun;
+VARYING vec3 vary_CloudColorAmbient;
VARYING float vary_CloudDensity;
VARYING vec2 vary_texcoord0;
@@ -46,13 +46,13 @@ VARYING float altitude_blend_factor;
// Inputs
uniform vec3 camPosLocal;
-uniform vec4 lightnorm;
-uniform vec4 sunlight_color;
-uniform vec4 moonlight_color;
+uniform vec3 lightnorm;
+uniform vec3 sunlight_color;
+uniform vec3 moonlight_color;
uniform int sun_up_factor;
-uniform vec4 ambient_color;
-uniform vec4 blue_horizon;
-uniform vec4 blue_density;
+uniform vec3 ambient_color;
+uniform vec3 blue_horizon;
+uniform vec3 blue_density;
uniform float haze_horizon;
uniform float haze_density;
@@ -60,10 +60,10 @@ uniform float cloud_shadow;
uniform float density_multiplier;
uniform float max_y;
-uniform vec4 glow;
+uniform vec3 glow;
uniform float sun_moon_glow_factor;
-uniform vec4 cloud_color;
+uniform vec3 cloud_color;
uniform float cloud_scale;
@@ -114,17 +114,17 @@ void main()
float rel_pos_len = length(rel_pos);
// Initialize temp variables
- vec4 sunlight = sunlight_color;
- vec4 light_atten;
+ vec3 sunlight = sunlight_color;
+ vec3 light_atten;
// Sunlight attenuation effect (hue and brightness) due to atmosphere
// this is used later for sunlight modulation at various altitudes
- light_atten = (blue_density + vec4(haze_density * 0.25)) * (density_multiplier * max_y);
+ light_atten = (blue_density + vec3(haze_density * 0.25)) * (density_multiplier * max_y);
// Calculate relative weights
- vec4 combined_haze = abs(blue_density) + vec4(abs(haze_density));
- vec4 blue_weight = blue_density / combined_haze;
- vec4 haze_weight = haze_density / combined_haze;
+ vec3 combined_haze = abs(blue_density) + vec3(abs(haze_density));
+ vec3 blue_weight = blue_density / combined_haze;
+ vec3 haze_weight = haze_density / combined_haze;
// Compute sunlight from rel_pos & lightnorm (for long rays like sky)
float off_axis = 1.0 / max(1e-6, max(0., rel_pos_norm.y) + lightnorm.y);
@@ -155,14 +155,14 @@ void main()
haze_glow = (sun_moon_glow_factor < 1.0) ? 0.0 : (haze_glow + 0.25);
// Increase ambient when there are more clouds
- vec4 tmpAmbient = ambient_color;
+ vec3 tmpAmbient = ambient_color;
tmpAmbient += (1. - tmpAmbient) * cloud_shadow * 0.5;
// Dim sunlight by cloud shadow percentage
sunlight *= (1. - cloud_shadow);
// Haze color below cloud
- vec4 additiveColorBelowCloud =
+ vec3 additiveColorBelowCloud =
(blue_horizon * blue_weight * (sunlight + tmpAmbient) + (haze_horizon * haze_weight) * (sunlight * haze_glow + tmpAmbient));
// CLOUDS
@@ -178,7 +178,7 @@ void main()
combined_haze = sqrt(combined_haze); // less atmos opacity (more transparency) below clouds
vary_CloudColorSun *= combined_haze;
vary_CloudColorAmbient *= combined_haze;
- vec4 oHazeColorBelowCloud = additiveColorBelowCloud * (1. - combined_haze);
+ vec3 oHazeColorBelowCloud = additiveColorBelowCloud * (1. - combined_haze);
// Make a nice cloud density based on the cloud_shadow value that was passed in.
vary_CloudDensity = 2. * (cloud_shadow - 0.25);
diff --git a/indra/newview/app_settings/shaders/class1/deferred/moonF.glsl b/indra/newview/app_settings/shaders/class1/deferred/moonF.glsl
index a513d60388..b4044353b4 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/moonF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/moonF.glsl
@@ -34,8 +34,7 @@ out vec4 frag_data[3];
#endif
uniform vec4 color;
-uniform vec4 sunlight_color;
-uniform vec4 moonlight_color;
+uniform vec3 moonlight_color;
uniform vec3 moon_dir;
uniform float moon_brightness;
uniform sampler2D diffuseMap;
diff --git a/indra/newview/app_settings/shaders/class1/deferred/skyF.glsl b/indra/newview/app_settings/shaders/class1/deferred/skyF.glsl
index ecb0c43518..adc2db60b6 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/skyF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/skyF.glsl
@@ -35,7 +35,7 @@ out vec4 frag_data[3];
// The fragment shader for the sky
/////////////////////////////////////////////////////////////////////////
-VARYING vec4 vary_HazeColor;
+VARYING vec3 vary_HazeColor;
/// Soft clips the light with a gamma correction
vec3 scaleSoftClip(vec3 light);
@@ -48,7 +48,7 @@ void main()
// the fragment) if the sky wouldn't show up because the clouds
// are fully opaque.
- vec4 color;
+ vec3 color;
color = vary_HazeColor;
color.rgb *= 2.;
diff --git a/indra/newview/app_settings/shaders/class1/deferred/skyV.glsl b/indra/newview/app_settings/shaders/class1/deferred/skyV.glsl
index 223143bc1b..ff53646fd4 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/skyV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/skyV.glsl
@@ -32,18 +32,18 @@ ATTRIBUTE vec3 position;
///////////////////////////////////////////////////////////////////////////////
// Output parameters
-VARYING vec4 vary_HazeColor;
+VARYING vec3 vary_HazeColor;
// Inputs
uniform vec3 camPosLocal;
-uniform vec4 lightnorm;
-uniform vec4 sunlight_color;
-uniform vec4 moonlight_color;
+uniform vec3 lightnorm;
+uniform vec3 sunlight_color;
+uniform vec3 moonlight_color;
uniform int sun_up_factor;
-uniform vec4 ambient_color;
-uniform vec4 blue_horizon;
-uniform vec4 blue_density;
+uniform vec3 ambient_color;
+uniform vec3 blue_horizon;
+uniform vec3 blue_density;
uniform float haze_horizon;
uniform float haze_density;
@@ -52,7 +52,7 @@ uniform float density_multiplier;
uniform float distance_multiplier;
uniform float max_y;
-uniform vec4 glow;
+uniform vec3 glow;
uniform float sun_moon_glow_factor;
// NOTE: Keep these in sync!
@@ -85,17 +85,17 @@ void main()
float rel_pos_len = length(rel_pos);
// Initialize temp variables
- vec4 sunlight = (sun_up_factor == 1) ? sunlight_color : moonlight_color;
- vec4 light_atten;
+ vec3 sunlight = (sun_up_factor == 1) ? sunlight_color : moonlight_color;
+ vec3 light_atten;
// Sunlight attenuation effect (hue and brightness) due to atmosphere
// this is used later for sunlight modulation at various altitudes
- light_atten = (blue_density + vec4(haze_density * 0.25)) * (density_multiplier * max_y);
+ light_atten = (blue_density + vec3(haze_density * 0.25)) * (density_multiplier * max_y);
// Calculate relative weights
- vec4 combined_haze = abs(blue_density) + vec4(abs(haze_density));
- vec4 blue_weight = blue_density / combined_haze;
- vec4 haze_weight = haze_density / combined_haze;
+ vec3 combined_haze = abs(blue_density) + vec4(abs(haze_density));
+ vec3 blue_weight = blue_density / combined_haze;
+ vec3 haze_weight = haze_density / combined_haze;
// Compute sunlight from rel_pos & lightnorm (for long rays like sky)
float off_axis = 1.0 / max(1e-6, max(0., rel_pos_norm.y) + lightnorm.y);
@@ -123,21 +123,21 @@ void main()
// For sun, add to glow. For moon, remove glow entirely. SL-13768
haze_glow = (sun_moon_glow_factor < 1.0) ? 0.0 : (haze_glow + 0.25);
- vec4 color =
+ vec3 color =
(blue_horizon * blue_weight * (sunlight + ambient_color) + (haze_horizon * haze_weight) * (sunlight * haze_glow + ambient_color));
// Final atmosphere additive
color *= (1. - combined_haze);
// Increase ambient when there are more clouds
- vec4 tmpAmbient = ambient_color;
- tmpAmbient += max(vec4(0), (1. - ambient_color)) * cloud_shadow * 0.5;
+ vec3 tmpAmbient = ambient_color;
+ tmpAmbient += max(vec3(0), (1. - ambient_color)) * cloud_shadow * 0.5;
// Dim sunlight by cloud shadow percentage
sunlight *= max(0.0, (1. - cloud_shadow));
// Haze color below cloud
- vec4 additiveColorBelowCloud =
+ vec3 additiveColorBelowCloud =
(blue_horizon * blue_weight * (sunlight + tmpAmbient) + (haze_horizon * haze_weight) * (sunlight * haze_glow + tmpAmbient));
// Attenuate cloud color by atmosphere
diff --git a/indra/newview/app_settings/shaders/class1/windlight/cloudShadowF.glsl b/indra/newview/app_settings/shaders/class1/windlight/cloudShadowF.glsl
deleted file mode 100644
index 332fb9d809..0000000000
--- a/indra/newview/app_settings/shaders/class1/windlight/cloudShadowF.glsl
+++ /dev/null
@@ -1,126 +0,0 @@
-/**
- * @file class1/windlight/cloudShadowF.glsl
- *
- * $LicenseInfo:firstyear=2005&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2005, 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
- * $/LicenseInfo$
- */
-
-#ifdef DEFINE_GL_FRAGCOLOR
-out vec4 frag_color;
-#else
-#define frag_color gl_FragColor
-#endif
-
-uniform sampler2D diffuseMap;
-
-VARYING vec4 pos;
-VARYING float target_pos_x;
-VARYING float vary_CloudDensity;
-VARYING vec2 vary_texcoord0;
-VARYING vec2 vary_texcoord1;
-VARYING vec2 vary_texcoord2;
-VARYING vec2 vary_texcoord3;
-
-uniform sampler2D cloud_noise_texture;
-uniform sampler2D cloud_noise_texture_next;
-uniform float blend_factor;
-uniform vec4 cloud_pos_density1;
-uniform vec4 cloud_pos_density2;
-uniform vec4 sunlight_color;
-uniform float cloud_shadow;
-uniform float cloud_scale;
-uniform float cloud_variance;
-uniform vec3 camPosLocal;
-uniform vec3 sun_dir;
-uniform float sun_size;
-uniform float far_z;
-
-#if !defined(DEPTH_CLAMP)
-VARYING vec4 post_pos;
-#endif
-
-vec4 cloudNoise(vec2 uv)
-{
- vec4 a = texture2D(cloud_noise_texture, uv);
- vec4 b = texture2D(cloud_noise_texture_next, uv);
- vec4 cloud_noise_sample = mix(a, b, blend_factor);
- return normalize(cloud_noise_sample);
-}
-
-void main()
-{
- if (cloud_scale >= 0.0001)
- {
- // Set variables
- vec2 uv1 = vary_texcoord0.xy;
- vec2 uv2 = vary_texcoord1.xy;
- vec2 uv3 = vary_texcoord2.xy;
- float cloudDensity = 2.0 * (cloud_shadow - 0.25);
-
- vec2 uv4 = vary_texcoord3.xy;
-
- vec2 disturbance = vec2(cloudNoise(uv1 / 8.0f).x, cloudNoise((uv3 + uv1) / 16.0f).x) * cloud_variance * (1.0f - cloud_scale * 0.25f);
- vec2 disturbance2 = vec2(cloudNoise((uv1 + uv3) / 4.0f).x, cloudNoise((uv4 + uv2) / 8.0f).x) * cloud_variance * (1.0f - cloud_scale * 0.25f);
-
- // Offset texture coords
- uv1 += cloud_pos_density1.xy + (disturbance * 0.2); //large texture, visible density
- uv2 += cloud_pos_density1.xy; //large texture, self shadow
- uv3 += cloud_pos_density2.xy; //small texture, visible density
- uv4 += cloud_pos_density2.xy; //small texture, self shadow
-
- float density_variance = min(1.0, (disturbance.x* 2.0 + disturbance.y* 2.0 + disturbance2.x + disturbance2.y) * 4.0);
-
- cloudDensity *= 1.0 - (density_variance * density_variance);
-
- // Compute alpha1, the main cloud opacity
- float alpha1 = (cloudNoise(uv1).x - 0.5) + (cloudNoise(uv3).x - 0.5) * cloud_pos_density2.z;
- alpha1 = min(max(alpha1 + cloudDensity, 0.) * 10 * cloud_pos_density1.z, 1.);
-
- // And smooth
- alpha1 = 1. - alpha1 * alpha1;
- alpha1 = 1. - alpha1 * alpha1;
-
- if (alpha1 < 0.001f)
- {
- discard;
- }
-
- // Compute alpha2, for self shadowing effect
- // (1 - alpha2) will later be used as percentage of incoming sunlight
- float alpha2 = (cloudNoise(uv2).x - 0.5);
- alpha2 = min(max(alpha2 + cloudDensity, 0.) * 2.5 * cloud_pos_density1.z, 1.);
-
- // And smooth
- alpha2 = 1. - alpha2;
- alpha2 = 1. - alpha2 * alpha2;
-
- frag_color = vec4(alpha1, alpha1, alpha1, 1);
- }
- else
- {
- frag_color = vec4(1);
- }
-
-#if !defined(DEPTH_CLAMP)
- gl_FragDepth = max(post_pos.z/post_pos.w*0.5+0.5, 0.0);
-#endif
-
-}
diff --git a/indra/newview/app_settings/shaders/class1/windlight/cloudShadowV.glsl b/indra/newview/app_settings/shaders/class1/windlight/cloudShadowV.glsl
deleted file mode 100644
index 09b6004481..0000000000
--- a/indra/newview/app_settings/shaders/class1/windlight/cloudShadowV.glsl
+++ /dev/null
@@ -1,61 +0,0 @@
-/**
- * @file class1\windlight\cloudShadowV.glsl
- *
- * $LicenseInfo:firstyear=2011&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2011, 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 mat4 texture_matrix0;
-uniform mat4 modelview_projection_matrix;
-uniform float shadow_target_width;
-
-ATTRIBUTE vec3 position;
-ATTRIBUTE vec4 diffuse_color;
-ATTRIBUTE vec2 texcoord0;
-
-#if !defined(DEPTH_CLAMP)
-VARYING float pos_zd2;
-#endif
-
-VARYING vec4 pos;
-VARYING float target_pos_x;
-VARYING vec2 vary_texcoord0;
-
-void passTextureIndex();
-
-void main()
-{
- //transform vertex
- vec4 pre_pos = vec4(position.xyz, 1.0);
- pos = modelview_projection_matrix * pre_pos;
- target_pos_x = 0.5 * (shadow_target_width - 1.0) * pos.x;
-
-#if !defined(DEPTH_CLAMP)
- pos_zd2 = pos.z * 0.5;
- gl_Position = vec4(pos.x, pos.y, pos.w*0.5, pos.w);
-#else
- gl_Position = pos;
-#endif
-
- passTextureIndex();
-
- vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy;
-}
diff --git a/indra/newview/app_settings/shaders/class1/windlight/moonF.glsl b/indra/newview/app_settings/shaders/class1/windlight/moonF.glsl
index 2425a2ad04..f03003f5e1 100644
--- a/indra/newview/app_settings/shaders/class1/windlight/moonF.glsl
+++ b/indra/newview/app_settings/shaders/class1/windlight/moonF.glsl
@@ -34,8 +34,7 @@ out vec4 frag_color;
#endif
uniform vec4 color;
-uniform vec4 sunlight_color;
-uniform vec4 moonlight_color;
+uniform vec3 moonlight_color;
uniform vec3 moon_dir;
uniform float moon_brightness;
uniform sampler2D diffuseMap;
diff --git a/indra/newview/app_settings/shaders/class2/deferred/skyF.glsl b/indra/newview/app_settings/shaders/class2/deferred/skyF.glsl
index 4379024680..668f70c3ab 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/skyF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/skyF.glsl
@@ -32,13 +32,13 @@ uniform mat4 modelview_projection_matrix;
// Inputs
uniform vec3 camPosLocal;
-uniform vec4 lightnorm;
-uniform vec4 sunlight_color;
-uniform vec4 moonlight_color;
+uniform vec3 lightnorm;
+uniform vec3 sunlight_color;
+uniform vec3 moonlight_color;
uniform int sun_up_factor;
-uniform vec4 ambient_color;
-uniform vec4 blue_horizon;
-uniform vec4 blue_density;
+uniform vec3 ambient_color;
+uniform vec3 blue_horizon;
+uniform vec3 blue_density;
uniform float haze_horizon;
uniform float haze_density;
@@ -47,10 +47,10 @@ uniform float density_multiplier;
uniform float distance_multiplier;
uniform float max_y;
-uniform vec4 glow;
+uniform vec3 glow;
uniform float sun_moon_glow_factor;
-uniform vec4 cloud_color;
+uniform vec3 cloud_color;
#ifdef DEFINE_GL_FRAGCOLOR
out vec4 frag_data[3];
@@ -123,16 +123,16 @@ void main()
float rel_pos_len = length(rel_pos);
// Initialize temp variables
- vec4 sunlight = (sun_up_factor == 1) ? sunlight_color : moonlight_color;
+ vec3 sunlight = (sun_up_factor == 1) ? sunlight_color : moonlight_color;
// Sunlight attenuation effect (hue and brightness) due to atmosphere
// this is used later for sunlight modulation at various altitudes
- vec4 light_atten = (blue_density + vec4(haze_density * 0.25)) * (density_multiplier * max_y);
+ vec3 light_atten = (blue_density + vec3(haze_density * 0.25)) * (density_multiplier * max_y);
// Calculate relative weights
- vec4 combined_haze = abs(blue_density) + vec4(abs(haze_density));
- vec4 blue_weight = blue_density / combined_haze;
- vec4 haze_weight = haze_density / combined_haze;
+ vec3 combined_haze = abs(blue_density) + vec3(abs(haze_density));
+ vec3 blue_weight = blue_density / combined_haze;
+ vec3 haze_weight = haze_density / combined_haze;
// Compute sunlight from rel_pos & lightnorm (for long rays like sky)
float off_axis = 1.0 / max(1e-6, max(0, rel_pos_norm.y) + lightnorm.y);
@@ -162,7 +162,7 @@ void main()
haze_glow = (sun_moon_glow_factor < 1.0) ? 0.0 : (sun_moon_glow_factor * (haze_glow + 0.25));
// Haze color above cloud
- vec4 color = blue_horizon * blue_weight * (sunlight + ambient_color)
+ vec3 color = blue_horizon * blue_weight * (sunlight + ambient_color)
+ haze_horizon * haze_weight * (sunlight * haze_glow + ambient_color);
// Final atmosphere additive
@@ -170,13 +170,13 @@ void main()
// Increase ambient when there are more clouds
// TODO 9/20: DJH what does this do? max(0,(1-ambient)) will change the color
- vec4 ambient = ambient_color + max(vec4(0), (1. - ambient_color)) * cloud_shadow * 0.5;
+ vec3 ambient = ambient_color + max(vec3(0), (1. - ambient_color)) * cloud_shadow * 0.5;
// Dim sunlight by cloud shadow percentage
sunlight *= max(0.0, (1. - cloud_shadow));
// Haze color below cloud
- vec4 add_below_cloud = blue_horizon * blue_weight * (sunlight + ambient)
+ vec3 add_below_cloud = blue_horizon * blue_weight * (sunlight + ambient)
+ haze_horizon * haze_weight * (sunlight * haze_glow + ambient);
// Attenuate cloud color by atmosphere
diff --git a/indra/newview/app_settings/shaders/class2/windlight/atmosphericsFuncs.glsl b/indra/newview/app_settings/shaders/class2/windlight/atmosphericsFuncs.glsl
index 8937488484..c69eba93b6 100644
--- a/indra/newview/app_settings/shaders/class2/windlight/atmosphericsFuncs.glsl
+++ b/indra/newview/app_settings/shaders/class2/windlight/atmosphericsFuncs.glsl
@@ -23,17 +23,17 @@
* $/LicenseInfo$
*/
-uniform vec4 lightnorm;
-uniform vec4 sunlight_color;
+uniform vec3 lightnorm;
+uniform vec3 sunlight_color;
uniform vec3 sunlight_linear;
-uniform vec4 moonlight_color;
+uniform vec3 moonlight_color;
uniform vec3 moonlight_linear;
uniform int sun_up_factor;
-uniform vec4 ambient_color;
+uniform vec3 ambient_color;
uniform vec3 ambient_linear;
-uniform vec4 blue_horizon;
+uniform vec3 blue_horizon;
uniform vec3 blue_horizon_linear;
-uniform vec4 blue_density;
+uniform vec3 blue_density;
uniform vec3 blue_density_linear;
uniform float haze_horizon;
uniform float haze_density;
@@ -42,7 +42,7 @@ uniform float cloud_shadow;
uniform float density_multiplier;
uniform float distance_multiplier;
uniform float max_y;
-uniform vec4 glow;
+uniform vec3 glow;
uniform float scene_light_strength;
uniform mat3 ssao_effect_mat;
uniform int no_atmo;
@@ -63,17 +63,17 @@ void calcAtmosphericVars(vec3 inPositionEye, vec3 light_dir, float ambFactor, ou
vec3 rel_pos_norm = normalize(rel_pos);
float rel_pos_len = length(rel_pos);
- vec4 sunlight = (sun_up_factor == 1) ? sunlight_color : moonlight_color;
+ vec3 sunlight = (sun_up_factor == 1) ? sunlight_color : moonlight_color;
// sunlight attenuation effect (hue and brightness) due to atmosphere
// this is used later for sunlight modulation at various altitudes
- vec4 light_atten = (blue_density + vec4(haze_density * 0.25)) * (density_multiplier * max_y);
+ vec3 light_atten = (blue_density + vec3(haze_density * 0.25)) * (density_multiplier * max_y);
// I had thought blue_density and haze_density should have equal weighting,
// but attenuation due to haze_density tends to seem too strong
- vec4 combined_haze = blue_density + vec4(haze_density);
- vec4 blue_weight = blue_density / combined_haze;
- vec4 haze_weight = vec4(haze_density) / combined_haze;
+ vec3 combined_haze = blue_density + vec3(haze_density);
+ vec3 blue_weight = blue_density / combined_haze;
+ vec3 haze_weight = vec3(haze_density) / combined_haze;
//(TERRAIN) compute sunlight from lightnorm y component. Factor is roughly cosecant(sun elevation) (for short rays like terrain)
float above_horizon_factor = 1.0 / max(1e-6, lightnorm.y);
@@ -111,10 +111,10 @@ void calcAtmosphericVars(vec3 inPositionEye, vec3 light_dir, float ambFactor, ou
haze_glow *= sun_moon_glow_factor;
- vec4 amb_color = ambient_color;
+ vec3 amb_color = ambient_color;
// increase ambient when there are more clouds
- vec4 tmpAmbient = amb_color + (vec4(1.) - amb_color) * cloud_shadow * 0.5;
+ vec3 tmpAmbient = amb_color + (vec3(1.) - amb_color) * cloud_shadow * 0.5;
/* decrease value and saturation (that in HSV, not HSL) for occluded areas
* // for HSV color/geometry used here, see http://gimp-savvy.com/BOOK/index.html?node52.html
@@ -127,7 +127,7 @@ void calcAtmosphericVars(vec3 inPositionEye, vec3 light_dir, float ambFactor, ou
*/
if (use_ao)
{
- tmpAmbient = vec4(mix(ssao_effect_mat * tmpAmbient.rgb, tmpAmbient.rgb, ambFactor), tmpAmbient.a);
+ tmpAmbient = mix(ssao_effect_mat * tmpAmbient.rgb, tmpAmbient.rgb, ambFactor);
}
// Similar/Shared Algorithms:
@@ -179,17 +179,17 @@ void calcAtmosphericVarsLinear(vec3 inPositionEye, vec3 norm, vec3 light_dir, ou
vec3 rel_pos_norm = normalize(rel_pos);
float rel_pos_len = length(rel_pos);
- vec4 sunlight = (sun_up_factor == 1) ? vec4(sunlight_linear, 0.0) : vec4(moonlight_linear, 0.0);
+ vec3 sunlight = (sun_up_factor == 1) ? vec3(sunlight_linear, 0.0) : vec3(moonlight_linear, 0.0);
// sunlight attenuation effect (hue and brightness) due to atmosphere
// this is used later for sunlight modulation at various altitudes
- vec4 light_atten = (blue_density + vec4(haze_density * 0.25)) * (density_multiplier * max_y);
+ vec3 light_atten = (blue_density + vec3(haze_density * 0.25)) * (density_multiplier * max_y);
// I had thought blue_density and haze_density should have equal weighting,
// but attenuation due to haze_density tends to seem too strong
- vec4 combined_haze = blue_density + vec4(haze_density);
- vec4 blue_weight = blue_density / combined_haze;
- vec4 haze_weight = vec4(haze_density) / combined_haze;
+ vec3 combined_haze = blue_density + vec3(haze_density);
+ vec3 blue_weight = blue_density / combined_haze;
+ vec3 haze_weight = vec3(haze_density) / combined_haze;
//(TERRAIN) compute sunlight from lightnorm y component. Factor is roughly cosecant(sun elevation) (for short rays like terrain)
float above_horizon_factor = 1.0 / max(1e-6, lightnorm.y);
@@ -227,11 +227,11 @@ void calcAtmosphericVarsLinear(vec3 inPositionEye, vec3 norm, vec3 light_dir, ou
haze_glow *= sun_moon_glow_factor;
- //vec4 amb_color = vec4(ambient_linear, 0.0);
- vec4 amb_color = ambient_color;
+ //vec3 amb_color = vec4(ambient_linear, 0.0);
+ vec3 amb_color = ambient_color;
// increase ambient when there are more clouds
- vec4 tmpAmbient = amb_color + (vec4(1.) - amb_color) * cloud_shadow * 0.5;
+ vec3 tmpAmbient = amb_color + (vec3(1.) - amb_color) * cloud_shadow * 0.5;
// Similar/Shared Algorithms:
// indra\llinventory\llsettingssky.cpp -- LLSettingsSky::calculateLightSettings()
diff --git a/indra/newview/app_settings/shaders/class2/windlight/cloudsF.glsl b/indra/newview/app_settings/shaders/class2/windlight/cloudsF.glsl
index fa928d993e..9c5a4903d0 100644
--- a/indra/newview/app_settings/shaders/class2/windlight/cloudsF.glsl
+++ b/indra/newview/app_settings/shaders/class2/windlight/cloudsF.glsl
@@ -35,15 +35,15 @@ out vec4 frag_color;
// The fragment shader for the sky
/////////////////////////////////////////////////////////////////////////
-VARYING vec4 vary_CloudColorSun;
-VARYING vec4 vary_CloudColorAmbient;
+VARYING vec3 vary_CloudColorSun;
+VARYING vec3 vary_CloudColorAmbient;
VARYING float vary_CloudDensity;
uniform sampler2D cloud_noise_texture;
uniform sampler2D cloud_noise_texture_next;
uniform float blend_factor;
-uniform vec4 cloud_pos_density1;
-uniform vec4 cloud_pos_density2;
+uniform vec3 cloud_pos_density1;
+uniform vec3 cloud_pos_density2;
uniform float cloud_scale;
uniform float cloud_variance;
@@ -70,8 +70,8 @@ void main()
vec2 uv1 = vary_texcoord0.xy;
vec2 uv2 = vary_texcoord1.xy;
- vec4 cloudColorSun = vary_CloudColorSun;
- vec4 cloudColorAmbient = vary_CloudColorAmbient;
+ vec3 cloudColorSun = vary_CloudColorSun;
+ vec3 cloudColorAmbient = vary_CloudColorAmbient;
float cloudDensity = vary_CloudDensity;
vec2 uv3 = vary_texcoord2.xy;
vec2 uv4 = vary_texcoord3.xy;
@@ -120,7 +120,7 @@ void main()
alpha2 = 1. - alpha2 * alpha2;
// Combine
- vec4 color;
+ vec3 color;
color = (cloudColorSun*(1.-alpha2) + cloudColorAmbient);
color.rgb *= 2.;
color.rgb = scaleSoftClip(color.rgb);
diff --git a/indra/newview/app_settings/shaders/class2/windlight/cloudsV.glsl b/indra/newview/app_settings/shaders/class2/windlight/cloudsV.glsl
index 97ffa9feef..650009d393 100644
--- a/indra/newview/app_settings/shaders/class2/windlight/cloudsV.glsl
+++ b/indra/newview/app_settings/shaders/class2/windlight/cloudsV.glsl
@@ -33,8 +33,8 @@ ATTRIBUTE vec2 texcoord0;
///////////////////////////////////////////////////////////////////////////////
// Output parameters
-VARYING vec4 vary_CloudColorSun;
-VARYING vec4 vary_CloudColorAmbient;
+VARYING vec3 vary_CloudColorSun;
+VARYING vec3 vary_CloudColorAmbient;
VARYING float vary_CloudDensity;
VARYING vec2 vary_texcoord0;
@@ -46,13 +46,13 @@ VARYING float altitude_blend_factor;
// Inputs
uniform vec3 camPosLocal;
-uniform vec4 lightnorm;
-uniform vec4 sunlight_color;
-uniform vec4 moonlight_color;
+uniform vec3 lightnorm;
+uniform vec3 sunlight_color;
+uniform vec3 moonlight_color;
uniform int sun_up_factor;
-uniform vec4 ambient_color;
-uniform vec4 blue_horizon;
-uniform vec4 blue_density;
+uniform vec3 ambient_color;
+uniform vec3 blue_horizon;
+uniform vec3 blue_density;
uniform float haze_horizon;
uniform float haze_density;
@@ -60,10 +60,10 @@ uniform float cloud_shadow;
uniform float density_multiplier;
uniform float max_y;
-uniform vec4 glow;
+uniform vec3 glow;
uniform float sun_moon_glow_factor;
-uniform vec4 cloud_color;
+uniform vec3 cloud_color;
uniform float cloud_scale;
@@ -114,17 +114,17 @@ void main()
float rel_pos_len = length(rel_pos);
// Initialize temp variables
- vec4 sunlight = sunlight_color;
- vec4 light_atten;
+ vec3 sunlight = sunlight_color;
+ vec3 light_atten;
// Sunlight attenuation effect (hue and brightness) due to atmosphere
// this is used later for sunlight modulation at various altitudes
- light_atten = (blue_density + vec4(haze_density * 0.25)) * (density_multiplier * max_y);
+ light_atten = (blue_density + vec3(haze_density * 0.25)) * (density_multiplier * max_y);
// Calculate relative weights
- vec4 combined_haze = abs(blue_density) + vec4(abs(haze_density));
- vec4 blue_weight = blue_density / combined_haze;
- vec4 haze_weight = haze_density / combined_haze;
+ vec3 combined_haze = abs(blue_density) + vec3(abs(haze_density));
+ vec3 blue_weight = blue_density / combined_haze;
+ vec3 haze_weight = haze_density / combined_haze;
// Compute sunlight from rel_pos & lightnorm (for long rays like sky)
float off_axis = 1.0 / max(1e-6, max(0., rel_pos_norm.y) + lightnorm.y);
@@ -155,14 +155,14 @@ void main()
haze_glow = (sun_moon_glow_factor < 1.0) ? 0.0 : (haze_glow + 0.25);
// Increase ambient when there are more clouds
- vec4 tmpAmbient = ambient_color;
+ vec3 tmpAmbient = ambient_color;
tmpAmbient += (1. - tmpAmbient) * cloud_shadow * 0.5;
// Dim sunlight by cloud shadow percentage
sunlight *= (1. - cloud_shadow);
// Haze color below cloud
- vec4 additiveColorBelowCloud =
+ vec3 additiveColorBelowCloud =
(blue_horizon * blue_weight * (sunlight + tmpAmbient) + (haze_horizon * haze_weight) * (sunlight * haze_glow + tmpAmbient));
// CLOUDS
@@ -178,7 +178,7 @@ void main()
combined_haze = sqrt(combined_haze); // less atmos opacity (more transparency) below clouds
vary_CloudColorSun *= combined_haze;
vary_CloudColorAmbient *= combined_haze;
- vec4 oHazeColorBelowCloud = additiveColorBelowCloud * (1. - combined_haze);
+ vec3 oHazeColorBelowCloud = additiveColorBelowCloud * (1. - combined_haze);
// Make a nice cloud density based on the cloud_shadow value that was passed in.
vary_CloudDensity = 2. * (cloud_shadow - 0.25);
diff --git a/indra/newview/app_settings/shaders/class2/windlight/skyV.glsl b/indra/newview/app_settings/shaders/class2/windlight/skyV.glsl
index 3edc94f4ca..8f7726bb0b 100644
--- a/indra/newview/app_settings/shaders/class2/windlight/skyV.glsl
+++ b/indra/newview/app_settings/shaders/class2/windlight/skyV.glsl
@@ -32,18 +32,18 @@ ATTRIBUTE vec3 position;
///////////////////////////////////////////////////////////////////////////////
// Output parameters
-VARYING vec4 vary_HazeColor;
+VARYING vec3 vary_HazeColor;
// Inputs
uniform vec3 camPosLocal;
-uniform vec4 lightnorm;
-uniform vec4 sunlight_color;
-uniform vec4 moonlight_color;
+uniform vec3 lightnorm;
+uniform vec3 sunlight_color;
+uniform vec3 moonlight_color;
uniform int sun_up_factor;
-uniform vec4 ambient_color;
-uniform vec4 blue_horizon;
-uniform vec4 blue_density;
+uniform vec3 ambient_color;
+uniform vec3 blue_horizon;
+uniform vec3 blue_density;
uniform float haze_horizon;
uniform float haze_density;
@@ -52,7 +52,7 @@ uniform float density_multiplier;
uniform float distance_multiplier;
uniform float max_y;
-uniform vec4 glow;
+uniform vec3 glow;
uniform float sun_moon_glow_factor;
void main()
@@ -81,17 +81,17 @@ void main()
float rel_pos_len = length(rel_pos);
// Initialize temp variables
- vec4 sunlight = (sun_up_factor == 1) ? sunlight_color : moonlight_color;
- vec4 light_atten;
+ vec3 sunlight = (sun_up_factor == 1) ? sunlight_color : moonlight_color;
+ vec3 light_atten;
// Sunlight attenuation effect (hue and brightness) due to atmosphere
// this is used later for sunlight modulation at various altitudes
- light_atten = (blue_density + vec4(haze_density * 0.25)) * (density_multiplier * max_y);
+ light_atten = (blue_density + vec3(haze_density * 0.25)) * (density_multiplier * max_y);
// Calculate relative weights
- vec4 combined_haze = abs(blue_density) + vec4(abs(haze_density));
- vec4 blue_weight = blue_density / combined_haze;
- vec4 haze_weight = haze_density / combined_haze;
+ vec3 combined_haze = abs(blue_density) + vec3(abs(haze_density));
+ vec3 blue_weight = blue_density / combined_haze;
+ vec3 haze_weight = haze_density / combined_haze;
// Compute sunlight from rel_pos & lightnorm (for long rays like sky)
float off_axis = 1.0 / max(1e-6, max(0., rel_pos_norm.y) + lightnorm.y);
@@ -119,21 +119,21 @@ void main()
// For sun, add to glow. For moon, remove glow entirely. SL-13768
haze_glow = (sun_moon_glow_factor < 1.0) ? 0.0 : (haze_glow + 0.25);
- vec4 color =
+ vec3 color =
(blue_horizon * blue_weight * (sunlight + ambient_color) + (haze_horizon * haze_weight) * (sunlight * haze_glow + ambient_color));
// Final atmosphere additive
color *= (1. - combined_haze);
// Increase ambient when there are more clouds
- vec4 tmpAmbient = ambient_color;
- tmpAmbient += max(vec4(0), (1. - ambient_color)) * cloud_shadow * 0.5;
+ vec3 tmpAmbient = ambient_color;
+ tmpAmbient += max(vec3(0), (1. - ambient_color)) * cloud_shadow * 0.5;
// Dim sunlight by cloud shadow percentage
sunlight *= max(0.0, (1. - cloud_shadow));
// Haze color below cloud
- vec4 additiveColorBelowCloud =
+ vec3 additiveColorBelowCloud =
(blue_horizon * blue_weight * (sunlight + tmpAmbient) + (haze_horizon * haze_weight) * (sunlight * haze_glow + tmpAmbient));
// Attenuate cloud color by atmosphere