diff options
Diffstat (limited to 'indra/newview/app_settings/shaders/class1/windlight/cloudShadowF.glsl')
-rw-r--r-- | indra/newview/app_settings/shaders/class1/windlight/cloudShadowF.glsl | 127 |
1 files changed, 0 insertions, 127 deletions
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 82fad4db5a..0000000000 --- a/indra/newview/app_settings/shaders/class1/windlight/cloudShadowF.glsl +++ /dev/null @@ -1,127 +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 vec4 cloud_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 - -} |