diff options
Diffstat (limited to 'indra/newview/app_settings/shaders/class3/deferred/giF.glsl')
-rw-r--r-- | indra/newview/app_settings/shaders/class3/deferred/giF.glsl | 211 |
1 files changed, 0 insertions, 211 deletions
diff --git a/indra/newview/app_settings/shaders/class3/deferred/giF.glsl b/indra/newview/app_settings/shaders/class3/deferred/giF.glsl deleted file mode 100644 index 95913a502c..0000000000 --- a/indra/newview/app_settings/shaders/class3/deferred/giF.glsl +++ /dev/null @@ -1,211 +0,0 @@ -/** - * @file giF.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 - -uniform sampler2DRect depthMap; -uniform sampler2DRect normalMap; -uniform sampler2DRect lightMap; -uniform sampler2DRect specularRect; - -uniform sampler2D noiseMap; - -uniform sampler2D diffuseGIMap; -uniform sampler2D specularGIMap; -uniform sampler2D normalGIMap; -uniform sampler2D depthGIMap; - -uniform sampler2D lightFunc; - -// Inputs -varying vec2 vary_fragcoord; - -uniform vec2 screen_res; - -uniform vec4 sunlight_color; - -uniform mat4 inv_proj; -uniform mat4 gi_mat; //gPipeline.mGIMatrix - eye space to sun space -uniform mat4 gi_mat_proj; //gPipeline.mGIMatrixProj - eye space to projected sun space -uniform mat4 gi_norm_mat; //gPipeline.mGINormalMatrix - eye space normal to sun space normal matrix -uniform mat4 gi_inv_proj; //gPipeline.mGIInvProj - projected sun space to sun space -uniform float gi_sample_width; -uniform float gi_noise; -uniform float gi_attenuation; -uniform float gi_range; - -vec4 getPosition(vec2 pos_screen) -{ - float depth = texture2DRect(depthMap, pos_screen.xy).a; - vec2 sc = pos_screen.xy*2.0; - sc /= screen_res; - sc -= vec2(1.0,1.0); - vec4 ndc = vec4(sc.x, sc.y, 2.0*depth-1.0, 1.0); - vec4 pos = inv_proj * ndc; - pos /= pos.w; - pos.w = 1.0; - return pos; -} - -vec4 getGIPosition(vec2 gi_tc) -{ - float depth = texture2D(depthGIMap, gi_tc).a; - vec2 sc = gi_tc*2.0; - sc -= vec2(1.0, 1.0); - vec4 ndc = vec4(sc.x, sc.y, 2.0*depth-1.0, 1.0); - vec4 pos = gi_inv_proj*ndc; - pos.xyz /= pos.w; - pos.w = 1.0; - return pos; -} - -vec3 giAmbient(vec3 pos, vec3 norm) -{ - vec4 gi_c = gi_mat_proj * vec4(pos, 1.0); - gi_c.xyz /= gi_c.w; - - vec4 gi_pos = gi_mat*vec4(pos,1.0); - vec3 gi_norm = (gi_norm_mat*vec4(norm,1.0)).xyz; - gi_norm = normalize(gi_norm); - - vec4 c_spec = texture2DRect(specularRect, vary_fragcoord.xy); - vec3 nz = texture2D(noiseMap, vary_fragcoord.xy/128.0).rgb; - gi_pos.xyz += nz.x*gi_noise*gi_norm.xyz; - vec2 tcx = gi_norm.xy; - vec2 tcy = gi_norm.yx; - - vec4 eye_pos = gi_mat*vec4(0,0,0,1.0); - - vec3 eye_dir = normalize(gi_pos.xyz-eye_pos.xyz); - vec3 eye_ref = reflect(eye_dir, gi_norm); - - float da = 0.0; //texture2DRect(lightMap, vary_fragcoord.xy).r*0.5; - vec3 fdiff = vec3(da); - float fda = da; - - vec3 rcol = vec3(0,0,0); - - float fsa = 0.0; - - - for (int i = -1; i <= 1; i += 2 ) - { - for (int j = -1; j <= 1; j+= 2) - { - vec2 tc = vec2(i, j)*0.75+gi_norm.xy*nz.z; - tc += nz.xy*2.0; - tc *= gi_sample_width*0.25; - tc += gi_c.xy; - - vec3 lnorm = -(texture2D(normalGIMap, tc.xy).xyz*2.0-1.0); - vec3 lpos = getGIPosition(tc.xy).xyz; - - vec3 at = lpos-gi_pos.xyz; - float dist = length(at); - float dist_atten = clamp(1.0/(gi_attenuation*dist), 0.0, 1.0); - - - if (dist_atten > 0.01) - { //possible contribution of indirect light to this surface - vec3 ldir = at; - - float ld = -dot(ldir, lnorm); - - if (ld < 0.0) - { - float ang_atten = dot(ldir, gi_norm); - - if (ang_atten > 0.0) - { - vec4 spec = texture2D(specularGIMap, tc.xy); - at = normalize(at); - vec3 diff; - - float da = 0.0; - - //contribution from indirect source to visible pixel - vec3 ha = at; - ha.z -= 1.0; - ha = normalize(ha); - if (spec.a > 0.0) - { - float sa = dot(ha,lnorm); - da = texture2D(lightFunc, vec2(sa, spec.a)).a; - } - else - { - da = -lnorm.z; - } - - diff = texture2D(diffuseGIMap, tc.xy).rgb+spec.rgb*spec.a*2.0; - - if (da > 0.0) - { //contribution from visible pixel to eye - vec3 ha = normalize(at-eye_dir); - if (c_spec.a > 0.0) - { - float sa = dot(ha, gi_norm); - da = dist_atten*texture2D(lightFunc, vec2(sa, c_spec.a)).a; - } - else - { - da = dist_atten*dot(gi_norm, normalize(ldir)); - } - fda += da; - fdiff += da*(c_spec.rgb*c_spec.a*2.0+vec3(1,1,1))*diff.rgb; - } - } - } - } - } - } - - fdiff *= sunlight_color.rgb; - - vec3 ret = fda*fdiff; - - return clamp(ret,vec3(0.0), vec3(1.0)); -} - -void main() -{ - vec2 pos_screen = vary_fragcoord.xy; - vec4 pos = getPosition(pos_screen); - - float rad = gi_range*0.5; - - vec3 norm = texture2DRect(normalMap, pos_screen).xyz; - norm = vec3((norm.xy-0.5)*2.0,norm.z); // unpack norm - float dist = max(length(pos.xyz)-rad, 0.0); - - float da = clamp(1.0-dist/rad, 0.0, 1.0); - - vec3 ambient = da > 0.0 ? giAmbient(pos.xyz, norm) : vec3(0); - - - gl_FragData[0].xyz = mix(vec3(0), ambient, da); -} |