diff options
Diffstat (limited to 'indra/newview/app_settings/shaders/class2')
| -rw-r--r-- | indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl | 241 |
1 files changed, 0 insertions, 241 deletions
diff --git a/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl b/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl deleted file mode 100644 index d2e85ba8a0..0000000000 --- a/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl +++ /dev/null @@ -1,241 +0,0 @@ -/** - * @file alphaF.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 - * $/LicenseInfo$ - */ - -#extension GL_ARB_texture_rectangle : enable - -#ifdef DEFINE_GL_FRAGCOLOR -out vec4 frag_color; -#else -#define frag_color gl_FragColor -#endif - -uniform sampler2DShadow shadowMap0; -uniform sampler2DShadow shadowMap1; -uniform sampler2DShadow shadowMap2; -uniform sampler2DShadow shadowMap3; - -#ifdef USE_DIFFUSE_TEX -uniform sampler2D diffuseMap; -#endif - -uniform vec2 screen_res; -uniform vec2 shadow_res; - -vec3 atmosLighting(vec3 light); -vec3 scaleSoftClip(vec3 light); - -VARYING vec3 vary_ambient; -VARYING vec3 vary_directional; -VARYING vec3 vary_fragcoord; -VARYING vec3 vary_position; -VARYING vec3 vary_pointlight_col; -VARYING vec2 vary_texcoord0; -VARYING vec3 vary_norm; - -#ifdef USE_VERTEX_COLOR -VARYING vec4 vertex_color; -#endif - -uniform mat4 shadow_matrix[6]; -uniform vec4 shadow_clip; -uniform float shadow_bias; - -uniform vec4 light_position[8]; -uniform vec3 light_direction[8]; -uniform vec3 light_attenuation[8]; -uniform vec3 light_diffuse[8]; - -vec3 calcDirectionalLight(vec3 n, vec3 l) -{ - float a = pow(max(dot(n,l),0.0), 0.7); - 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); - da = pow(da, 2.2) * 2.2; - - // spotlight coefficient. - float spot = max(dot(-ln, lv), is_pointlight); - da *= spot*spot; // GL_SPOT_EXPONENT=2 - - //angular attenuation - da *= max(pow(dot(n, lv), 0.7), 0.0); - } - - return vec3(da,da,da); -} - -float pcfShadow(sampler2DShadow shadowMap, vec4 stc) -{ - stc.xyz /= stc.w; - stc.z += shadow_bias; - - stc.x = floor(stc.x*shadow_res.x + fract(stc.y*shadow_res.y*12345))/shadow_res.x; // add some chaotic jitter to X sample pos according to Y to disguise the snapping going on here - - float cs = shadow2D(shadowMap, stc.xyz).x; - float shadow = cs; - - shadow += shadow2D(shadowMap, stc.xyz+vec3(2.0/shadow_res.x, 1.5/shadow_res.y, 0.0)).x; - shadow += shadow2D(shadowMap, stc.xyz+vec3(1.0/shadow_res.x, -1.5/shadow_res.y, 0.0)).x; - shadow += shadow2D(shadowMap, stc.xyz+vec3(-1.0/shadow_res.x, 1.5/shadow_res.y, 0.0)).x; - shadow += shadow2D(shadowMap, stc.xyz+vec3(-2.0/shadow_res.x, -1.5/shadow_res.y, 0.0)).x; - - return shadow*0.2; -} - - -void main() -{ - vec2 frag = vary_fragcoord.xy/vary_fragcoord.z*0.5+0.5; - frag *= screen_res; - - float shadow = 0.0; - vec4 pos = vec4(vary_position, 1.0); - - vec4 spos = pos; - - if (spos.z > -shadow_clip.w) - { - vec4 lpos; - - vec4 near_split = shadow_clip*-0.75; - vec4 far_split = shadow_clip*-1.25; - vec4 transition_domain = near_split-far_split; - float weight = 0.0; - - if (spos.z < near_split.z) - { - lpos = shadow_matrix[3]*spos; - - float w = 1.0; - w -= max(spos.z-far_split.z, 0.0)/transition_domain.z; - shadow += pcfShadow(shadowMap3, lpos)*w; - weight += w; - shadow += max((pos.z+shadow_clip.z)/(shadow_clip.z-shadow_clip.w)*2.0-1.0, 0.0); - } - - if (spos.z < near_split.y && spos.z > far_split.z) - { - lpos = shadow_matrix[2]*spos; - - float w = 1.0; - w -= max(spos.z-far_split.y, 0.0)/transition_domain.y; - w -= max(near_split.z-spos.z, 0.0)/transition_domain.z; - shadow += pcfShadow(shadowMap2, lpos)*w; - weight += w; - } - - if (spos.z < near_split.x && spos.z > far_split.y) - { - lpos = shadow_matrix[1]*spos; - - float w = 1.0; - w -= max(spos.z-far_split.x, 0.0)/transition_domain.x; - w -= max(near_split.y-spos.z, 0.0)/transition_domain.y; - shadow += pcfShadow(shadowMap1, lpos)*w; - weight += w; - } - - if (spos.z > far_split.x) - { - lpos = shadow_matrix[0]*spos; - - float w = 1.0; - w -= max(near_split.x-spos.z, 0.0)/transition_domain.x; - - shadow += pcfShadow(shadowMap0, lpos)*w; - weight += w; - } - - - shadow /= weight; - } - else - { - shadow = 1.0; - } - - vec4 diff; - -#ifdef USE_INDEXED_TEX - diff = diffuseLookup(vary_texcoord0.xy); -#endif - -#ifdef USE_DIFFUSE_TEX - diff = texture2D(diffuseMap,vary_texcoord0.xy); -#endif - diff.rgb = pow(diff.rgb, vec3(2.2f, 2.2f, 2.2f)); - - float vertex_color_alpha = 1.0; - -#ifdef USE_VERTEX_COLOR - vertex_color_alpha = vertex_color.a; -#endif - - vec3 normal = vary_norm; - vec3 l = light_position[0].xyz; - vec3 dlight = calcDirectionalLight(normal, l); - dlight = dlight * vary_directional.rgb * vary_pointlight_col; - - vec4 col = vec4(vary_ambient + dlight *shadow, vertex_color_alpha); - vec4 color = diff * col; - - color.rgb = atmosLighting(color.rgb); - color.rgb = scaleSoftClip(color.rgb); - - col = vec4(0.0f,0.0f,0.0f,0.0f); - - #define LIGHT_LOOP(i) col.rgb += light_diffuse[i].rgb * calcPointLightOrSpotLight(pos.xyz, normal, light_position[i], light_direction[i].xyz, light_attenuation[i].x, light_attenuation[i].y, light_attenuation[i].z); - - LIGHT_LOOP(1) - LIGHT_LOOP(2) - LIGHT_LOOP(3) - LIGHT_LOOP(4) - LIGHT_LOOP(5) - LIGHT_LOOP(6) - LIGHT_LOOP(7) - - color.rgb += diff.rgb * vary_pointlight_col * col.rgb; - - frag_color = color; -} - |