diff options
Diffstat (limited to 'indra/newview/app_settings/shaders')
6 files changed, 0 insertions, 1446 deletions
diff --git a/indra/newview/app_settings/shaders/class2/deferred/edgeMSF.glsl b/indra/newview/app_settings/shaders/class2/deferred/edgeMSF.glsl deleted file mode 100644 index b9c65b168c..0000000000 --- a/indra/newview/app_settings/shaders/class2/deferred/edgeMSF.glsl +++ /dev/null @@ -1,94 +0,0 @@ -/** - * @file edgeF.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 -#extension GL_ARB_texture_multisample : enable - -#ifdef DEFINE_GL_FRAGCOLOR -out vec4 gl_FragColor; -#endif - -uniform sampler2DMS depthMap; -uniform sampler2DMS normalMap; - -VARYING vec2 vary_fragcoord; - -uniform float depth_cutoff; -uniform float norm_cutoff; - -uniform mat4 inv_proj; -uniform vec2 screen_res; - -float getDepth(ivec2 pos_screen, int sample) -{ - float z = texelFetch(depthMap, pos_screen, sample).r; - z = z*2.0-1.0; - vec4 ndc = vec4(0.0, 0.0, z, 1.0); - vec4 p = inv_proj*ndc; - return p.z/p.w; -} - -void main() -{ - float e = 0; - - ivec2 itc = ivec2(vary_fragcoord.xy); - - for (int i = 0; i < samples; i++) - { - vec3 norm = texelFetch(normalMap, itc, i).xyz; - norm = vec3((norm.xy-0.5)*2.0,norm.z); // unpack norm - float depth = getDepth(itc, i); - - vec2 tc = vary_fragcoord.xy; - - int sc = 1; - - vec2 de; - de.x = (depth-getDepth(itc+ivec2(sc, sc),i)) + (depth-getDepth(itc+ivec2(-sc, -sc), i)); - de.y = (depth-getDepth(itc+ivec2(-sc, sc),i)) + (depth-getDepth(itc+ivec2(sc, -sc), i)); - de /= depth; - de *= de; - de = step(depth_cutoff, de); - - vec2 ne; - vec3 nexnorm = texelFetch(normalMap, itc+ivec2(-sc,-sc), i).rgb; - nexnorm = vec3((nexnorm.xy-0.5)*2.0,nexnorm.z); // unpack norm - ne.x = dot(nexnorm, norm); - vec3 neynorm = texelFetch(normalMap, itc+ivec2(sc,sc), i).rgb; - neynorm = vec3((neynorm.xy-0.5)*2.0,neynorm.z); // unpack norm - ne.y = dot(neynorm, norm); - - ne = 1.0-ne; - - ne = step(norm_cutoff, ne); - - e += dot(de,de)+dot(ne,ne); - } - - e /= samples; - - gl_FragColor.a = e; -} diff --git a/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightMSF.glsl b/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightMSF.glsl deleted file mode 100644 index 4037dca91a..0000000000 --- a/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightMSF.glsl +++ /dev/null @@ -1,265 +0,0 @@ -/** - * @file multiSpotLightF.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 -#extension GL_ARB_texture_multisample : enable - -#ifdef DEFINE_GL_FRAGCOLOR -out vec4 gl_FragColor; -#endif - -VARYING vec4 vertex_color; - -uniform sampler2DMS diffuseRect; -uniform sampler2DMS specularRect; -uniform sampler2DMS depthMap; -uniform sampler2DMS normalMap; -uniform sampler2DRect lightMap; -uniform sampler2D noiseMap; -uniform sampler2D projectionMap; - -uniform mat4 proj_mat; //screen space to light space -uniform float proj_near; //near clip for projection -uniform vec3 proj_p; //plane projection is emitting from (in screen space) -uniform vec3 proj_n; -uniform float proj_focus; //distance from plane to begin blurring -uniform float proj_lod; //(number of mips in proj map) -uniform float proj_range; //range between near clip and far clip plane of projection -uniform float proj_ambient_lod; -uniform float proj_ambiance; -uniform float near_clip; -uniform float far_clip; - -uniform vec3 proj_origin; //origin of projection to be used for angular attenuation -uniform float sun_wash; -uniform int proj_shadow_idx; -uniform float shadow_fade; - -VARYING vec4 vary_light; - -VARYING vec4 vary_fragcoord; -uniform vec2 screen_res; - -uniform mat4 inv_proj; - -vec4 texture2DLodSpecular(sampler2D projectionMap, vec2 tc, float lod) -{ - vec4 ret = texture2DLod(projectionMap, tc, lod); - - vec2 dist = tc-vec2(0.5); - - float det = max(1.0-lod/(proj_lod*0.5), 0.0); - - float d = dot(dist,dist); - - ret *= min(clamp((0.25-d)/0.25, 0.0, 1.0)+det, 1.0); - - return ret; -} - -vec4 texture2DLodDiffuse(sampler2D projectionMap, vec2 tc, float lod) -{ - vec4 ret = texture2DLod(projectionMap, tc, lod); - - vec2 dist = vec2(0.5) - abs(tc-vec2(0.5)); - - float det = min(lod/(proj_lod*0.5), 1.0); - - float d = min(dist.x, dist.y); - - float edge = 0.25*det; - - ret *= clamp(d/edge, 0.0, 1.0); - - return ret; -} - -vec4 texture2DLodAmbient(sampler2D projectionMap, vec2 tc, float lod) -{ - vec4 ret = texture2DLod(projectionMap, tc, lod); - - vec2 dist = tc-vec2(0.5); - - float d = dot(dist,dist); - - ret *= min(clamp((0.25-d)/0.25, 0.0, 1.0), 1.0); - - return ret; -} - - -vec4 getPosition(ivec2 pos_screen, int sample) -{ - float depth = texelFetch(depthMap, pos_screen, sample).r; - vec2 sc = vec2(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; -} - -void main() -{ - int wght = 0; - - vec3 fcol = vec3(0,0,0); - - vec2 frag = (vary_fragcoord.xy*0.5+0.5)*screen_res; - - ivec2 itc = ivec2(frag.xy); - - float shadow = 1.0; - - if (proj_shadow_idx >= 0) - { - vec4 shd = texture2DRect(lightMap, frag); - float sh[2]; - sh[0] = shd.b; - sh[1] = shd.a; - shadow = min(sh[proj_shadow_idx]+shadow_fade, 1.0); - } - - for (int i = 0; i < samples; i++) - { - vec3 pos = getPosition(itc, i).xyz; - vec3 lv = vary_light.xyz-pos.xyz; - float dist2 = dot(lv,lv); - dist2 /= vary_light.w; - if (dist2 <= 1.0) - { - vec3 norm = texelFetch(normalMap, itc, i).xyz; - norm = vec3((norm.xy-0.5)*2.0,norm.z); // unpack norm - - norm = normalize(norm); - float l_dist = -dot(lv, proj_n); - - vec4 proj_tc = (proj_mat * vec4(pos.xyz, 1.0)); - if (proj_tc.z >= 0.0) - { - proj_tc.xyz /= proj_tc.w; - - float fa = vertex_color.a+1.0; - float dist_atten = min(1.0-(dist2-1.0*(1.0-fa))/fa, 1.0); - if (dist_atten > 0.0) - { - lv = proj_origin-pos.xyz; - lv = normalize(lv); - float da = dot(norm, lv); - - vec3 col = vec3(0,0,0); - - vec3 diff_tex = texelFetch(diffuseRect, itc, i).rgb; - - float noise = texture2D(noiseMap, frag.xy/128.0).b; - if (proj_tc.z > 0.0 && - proj_tc.x < 1.0 && - proj_tc.y < 1.0 && - proj_tc.x > 0.0 && - proj_tc.y > 0.0) - { - float lit = 0.0; - float amb_da = proj_ambiance; - - if (da > 0.0) - { - float diff = clamp((l_dist-proj_focus)/proj_range, 0.0, 1.0); - float lod = diff * proj_lod; - - vec4 plcol = texture2DLodDiffuse(projectionMap, proj_tc.xy, lod); - - vec3 lcol = vertex_color.rgb * plcol.rgb * plcol.a; - - lit = da * dist_atten * noise; - - col = lcol*lit*diff_tex*shadow; - amb_da += (da*0.5)*(1.0-shadow)*proj_ambiance; - } - - //float diff = clamp((proj_range-proj_focus)/proj_range, 0.0, 1.0); - vec4 amb_plcol = texture2DLodAmbient(projectionMap, proj_tc.xy, proj_lod); - - amb_da += (da*da*0.5+0.5)*proj_ambiance; - - amb_da *= dist_atten * noise; - - amb_da = min(amb_da, 1.0-lit); - - col += amb_da*vertex_color.rgb*diff_tex.rgb*amb_plcol.rgb*amb_plcol.a; - } - - - vec4 spec = texelFetch(specularRect, itc, i); - if (spec.a > 0.0) - { - vec3 ref = reflect(normalize(pos), norm); - - //project from point pos in direction ref to plane proj_p, proj_n - vec3 pdelta = proj_p-pos; - float ds = dot(ref, proj_n); - - if (ds < 0.0) - { - vec3 pfinal = pos + ref * dot(pdelta, proj_n)/ds; - - vec4 stc = (proj_mat * vec4(pfinal.xyz, 1.0)); - - if (stc.z > 0.0) - { - stc.xy /= stc.w; - - float fatten = clamp(spec.a*spec.a+spec.a*0.5, 0.25, 1.0); - - stc.xy = (stc.xy - vec2(0.5)) * fatten + vec2(0.5); - - if (stc.x < 1.0 && - stc.y < 1.0 && - stc.x > 0.0 && - stc.y > 0.0) - { - vec4 scol = texture2DLodSpecular(projectionMap, stc.xy, proj_lod-spec.a*proj_lod); - col += dist_atten*scol.rgb*vertex_color.rgb*scol.a*spec.rgb*shadow; - } - } - } - } - - fcol += col; - wght++; - } - } - } - } - - if (wght <= 0) - { - discard; - } - - gl_FragColor.rgb = fcol/samples; - gl_FragColor.a = 0.0; -} diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightMSF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightMSF.glsl deleted file mode 100644 index 62a86a3f09..0000000000 --- a/indra/newview/app_settings/shaders/class2/deferred/softenLightMSF.glsl +++ /dev/null @@ -1,339 +0,0 @@ -/** - * @file softenLightMSF.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 -#extension GL_ARB_texture_multisample : enable - -#ifdef DEFINE_GL_FRAGCOLOR -out vec4 gl_FragColor; -#endif - -uniform sampler2DMS diffuseRect; -uniform sampler2DMS specularRect; -uniform sampler2DMS normalMap; -uniform sampler2DRect lightMap; -uniform sampler2DMS depthMap; -uniform sampler2D noiseMap; -uniform samplerCube environmentMap; -uniform sampler2D lightFunc; -uniform vec3 gi_quad; - -uniform float blur_size; -uniform float blur_fidelity; - -// Inputs -uniform vec4 morphFactor; -uniform vec3 camPosLocal; -//uniform vec4 camPosWorld; -uniform vec4 gamma; -uniform vec4 lightnorm; -uniform vec4 sunlight_color; -uniform vec4 ambient; -uniform vec4 blue_horizon; -uniform vec4 blue_density; -uniform vec4 haze_horizon; -uniform vec4 haze_density; -uniform vec4 cloud_shadow; -uniform vec4 density_multiplier; -uniform vec4 distance_multiplier; -uniform vec4 max_y; -uniform vec4 glow; -uniform float scene_light_strength; -uniform vec3 env_mat[3]; -uniform vec4 shadow_clip; -uniform mat3 ssao_effect_mat; - -uniform mat4 inv_proj; -uniform vec2 screen_res; - -VARYING vec4 vary_light; -VARYING vec2 vary_fragcoord; - -vec3 vary_PositionEye; - -vec3 vary_SunlitColor; -vec3 vary_AmblitColor; -vec3 vary_AdditiveColor; -vec3 vary_AtmosAttenuation; - -vec4 getPosition_d(vec2 pos_screen, float depth) -{ - 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; -} - -vec3 getPositionEye() -{ - return vary_PositionEye; -} -vec3 getSunlitColor() -{ - return vary_SunlitColor; -} -vec3 getAmblitColor() -{ - return vary_AmblitColor; -} -vec3 getAdditiveColor() -{ - return vary_AdditiveColor; -} -vec3 getAtmosAttenuation() -{ - return vary_AtmosAttenuation; -} - - -void setPositionEye(vec3 v) -{ - vary_PositionEye = v; -} - -void setSunlitColor(vec3 v) -{ - vary_SunlitColor = v; -} - -void setAmblitColor(vec3 v) -{ - vary_AmblitColor = v; -} - -void setAdditiveColor(vec3 v) -{ - vary_AdditiveColor = v; -} - -void setAtmosAttenuation(vec3 v) -{ - vary_AtmosAttenuation = v; -} - -void calcAtmospherics(vec3 inPositionEye, float ambFactor) { - - vec3 P = inPositionEye; - setPositionEye(P); - - //(TERRAIN) limit altitude - if (P.y > max_y.x) P *= (max_y.x / P.y); - if (P.y < -max_y.x) P *= (-max_y.x / P.y); - - vec3 tmpLightnorm = lightnorm.xyz; - - vec3 Pn = normalize(P); - float Plen = length(P); - - vec4 temp1 = vec4(0); - vec3 temp2 = vec3(0); - vec4 blue_weight; - vec4 haze_weight; - vec4 sunlight = sunlight_color; - vec4 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 * 1.0 + vec4(haze_density.r) * 0.25) * (density_multiplier.x * max_y.x); - //I had thought blue_density and haze_density should have equal weighting, - //but attenuation due to haze_density tends to seem too strong - - temp1 = blue_density + vec4(haze_density.r); - blue_weight = blue_density / temp1; - haze_weight = vec4(haze_density.r) / temp1; - - //(TERRAIN) compute sunlight from lightnorm only (for short rays like terrain) - temp2.y = max(0.0, tmpLightnorm.y); - temp2.y = 1. / temp2.y; - sunlight *= exp( - light_atten * temp2.y); - - // main atmospheric scattering line integral - temp2.z = Plen * density_multiplier.x; - - // Transparency (-> temp1) - // ATI Bugfix -- can't store temp1*temp2.z*distance_multiplier.x in a variable because the ati - // compiler gets confused. - temp1 = exp(-temp1 * temp2.z * distance_multiplier.x); - - //final atmosphere attenuation factor - setAtmosAttenuation(temp1.rgb); - - //compute haze glow - //(can use temp2.x as temp because we haven't used it yet) - temp2.x = dot(Pn, tmpLightnorm.xyz); - temp2.x = 1. - temp2.x; - //temp2.x is 0 at the sun and increases away from sun - temp2.x = max(temp2.x, .03); //was glow.y - //set a minimum "angle" (smaller glow.y allows tighter, brighter hotspot) - temp2.x *= glow.x; - //higher glow.x gives dimmer glow (because next step is 1 / "angle") - temp2.x = pow(temp2.x, glow.z); - //glow.z should be negative, so we're doing a sort of (1 / "angle") function - - //add "minimum anti-solar illumination" - temp2.x += .25; - - //increase ambient when there are more clouds - vec4 tmpAmbient = ambient + (vec4(1.) - ambient) * cloud_shadow.x * 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 - * // The following line of code performs the equivalent of: - * float ambAlpha = tmpAmbient.a; - * float ambValue = dot(vec3(tmpAmbient), vec3(0.577)); // projection onto <1/rt(3), 1/rt(3), 1/rt(3)>, the neutral white-black axis - * vec3 ambHueSat = vec3(tmpAmbient) - vec3(ambValue); - * tmpAmbient = vec4(RenderSSAOEffect.valueFactor * vec3(ambValue) + RenderSSAOEffect.saturationFactor *(1.0 - ambFactor) * ambHueSat, ambAlpha); - */ - tmpAmbient = vec4(mix(ssao_effect_mat * tmpAmbient.rgb, tmpAmbient.rgb, ambFactor), tmpAmbient.a); - - //haze color - setAdditiveColor( - vec3(blue_horizon * blue_weight * (sunlight*(1.-cloud_shadow.x) + tmpAmbient) - + (haze_horizon.r * haze_weight) * (sunlight*(1.-cloud_shadow.x) * temp2.x - + tmpAmbient))); - - //brightness of surface both sunlight and ambient - setSunlitColor(vec3(sunlight * .5)); - setAmblitColor(vec3(tmpAmbient * .25)); - setAdditiveColor(getAdditiveColor() * vec3(1.0 - temp1)); -} - -vec3 atmosLighting(vec3 light) -{ - light *= getAtmosAttenuation().r; - light += getAdditiveColor(); - return (2.0 * light); -} - -vec3 atmosTransport(vec3 light) { - light *= getAtmosAttenuation().r; - light += getAdditiveColor() * 2.0; - return light; -} -vec3 atmosGetDiffuseSunlightColor() -{ - return getSunlitColor(); -} - -vec3 scaleDownLight(vec3 light) -{ - return (light / scene_light_strength ); -} - -vec3 scaleUpLight(vec3 light) -{ - return (light * scene_light_strength); -} - -vec3 atmosAmbient(vec3 light) -{ - return getAmblitColor() + light / 2.0; -} - -vec3 atmosAffectDirectionalLight(float lightIntensity) -{ - return getSunlitColor() * lightIntensity; -} - -vec3 scaleSoftClip(vec3 light) -{ - //soft clip effect: - light = 1. - clamp(light, vec3(0.), vec3(1.)); - light = 1. - pow(light, gamma.xxx); - - return light; -} - -void main() -{ - vec2 tc = vary_fragcoord.xy; - ivec2 itc = ivec2(tc); - - vec4 fcol = vec4(0,0,0,0); - - vec2 scol_ambocc = texture2DRect(lightMap, tc).rg; - float ambocc = scol_ambocc.g; - - for (int i = 0; i < samples; ++i) - { - float depth = texelFetch(depthMap, itc.xy, i).r; - vec3 pos = getPosition_d(tc, depth).xyz; - vec3 norm = texelFetch(normalMap, itc, i).xyz; - norm = vec3((norm.xy-0.5)*2.0,norm.z); // unpack norm - - float da = max(dot(norm.xyz, vary_light.xyz), 0.0); - - vec4 diffuse = texelFetch(diffuseRect, itc, i); - vec3 col; - float bloom = 0.0; - if (diffuse.a < 0.9) - { - vec4 spec = texelFetch(specularRect, itc, i); - - float amb = 0; - - float scol = max(scol_ambocc.r, diffuse.a); - amb += ambocc; - - calcAtmospherics(pos.xyz, ambocc); - - col = atmosAmbient(vec3(0)); - col += atmosAffectDirectionalLight(max(min(da, scol), diffuse.a)); - - col *= diffuse.rgb; - - if (spec.a > 0.0) // specular reflection - { - // the old infinite-sky shiny reflection - // - vec3 refnormpersp = normalize(reflect(pos.xyz, norm.xyz)); - float sa = dot(refnormpersp, vary_light.xyz); - vec3 dumbshiny = vary_SunlitColor*scol_ambocc.r*texture2D(lightFunc, vec2(sa, spec.a)).r; - - // add the two types of shiny together - vec3 spec_contrib = dumbshiny * spec.rgb; - bloom = dot(spec_contrib, spec_contrib); - col += spec_contrib; - } - - col = atmosLighting(col); - col = scaleSoftClip(col); - - col = mix(col, diffuse.rgb, diffuse.a); - } - else - { - col = diffuse.rgb; - } - - fcol += vec4(col, bloom); - } - - gl_FragColor = fcol/samples; -} diff --git a/indra/newview/app_settings/shaders/class2/deferred/spotLightMSF.glsl b/indra/newview/app_settings/shaders/class2/deferred/spotLightMSF.glsl deleted file mode 100644 index af3487fd91..0000000000 --- a/indra/newview/app_settings/shaders/class2/deferred/spotLightMSF.glsl +++ /dev/null @@ -1,266 +0,0 @@ -/** - * @file multiSpotLightF.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 -#extension GL_ARB_texture_multisample : enable - -#ifdef DEFINE_GL_FRAGCOLOR -out vec4 gl_FragColor; -#endif - -VARYING vec4 vertex_color; - -uniform sampler2DMS diffuseRect; -uniform sampler2DMS specularRect; -uniform sampler2DMS depthMap; -uniform sampler2DMS normalMap; -uniform sampler2DRect lightMap; -uniform sampler2D noiseMap; -uniform sampler2D projectionMap; - -uniform mat4 proj_mat; //screen space to light space -uniform float proj_near; //near clip for projection -uniform vec3 proj_p; //plane projection is emitting from (in screen space) -uniform vec3 proj_n; -uniform float proj_focus; //distance from plane to begin blurring -uniform float proj_lod; //(number of mips in proj map) -uniform float proj_range; //range between near clip and far clip plane of projection -uniform float proj_ambient_lod; -uniform float proj_ambiance; -uniform float near_clip; -uniform float far_clip; - -uniform vec3 proj_origin; //origin of projection to be used for angular attenuation -uniform float sun_wash; -uniform int proj_shadow_idx; -uniform float shadow_fade; - -VARYING vec4 vary_light; - -VARYING vec4 vary_fragcoord; -uniform vec2 screen_res; - -uniform mat4 inv_proj; - -vec4 texture2DLodSpecular(sampler2D projectionMap, vec2 tc, float lod) -{ - vec4 ret = texture2DLod(projectionMap, tc, lod); - - vec2 dist = tc-vec2(0.5); - - float det = max(1.0-lod/(proj_lod*0.5), 0.0); - - float d = dot(dist,dist); - - ret *= min(clamp((0.25-d)/0.25, 0.0, 1.0)+det, 1.0); - - return ret; -} - -vec4 texture2DLodDiffuse(sampler2D projectionMap, vec2 tc, float lod) -{ - vec4 ret = texture2DLod(projectionMap, tc, lod); - - vec2 dist = vec2(0.5) - abs(tc-vec2(0.5)); - - float det = min(lod/(proj_lod*0.5), 1.0); - - float d = min(dist.x, dist.y); - - float edge = 0.25*det; - - ret *= clamp(d/edge, 0.0, 1.0); - - return ret; -} - -vec4 texture2DLodAmbient(sampler2D projectionMap, vec2 tc, float lod) -{ - vec4 ret = texture2DLod(projectionMap, tc, lod); - - vec2 dist = tc-vec2(0.5); - - float d = dot(dist,dist); - - ret *= min(clamp((0.25-d)/0.25, 0.0, 1.0), 1.0); - - return ret; -} - - -vec4 getPosition(ivec2 pos_screen, int sample) -{ - float depth = texelFetch(depthMap, pos_screen, sample).r; - vec2 sc = vec2(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; -} - -void main() -{ - vec4 frag = vary_fragcoord; - frag.xyz /= frag.w; - frag.xyz = frag.xyz*0.5+0.5; - frag.xy *= screen_res; - ivec2 itc = ivec2(frag.xy); - - vec3 fcol = vec3(0,0,0); - int wght = 0; - - float shadow = 1.0; - - if (proj_shadow_idx >= 0) - { - vec4 shd = texture2DRect(lightMap, frag.xy); - float sh[2]; - sh[0] = shd.b; - sh[1] = shd.a; - shadow = min(sh[proj_shadow_idx]+shadow_fade, 1.0); - } - - for (int i = 0; i < samples; i++) - { - vec3 pos = getPosition(itc, i).xyz; - vec3 lv = vary_light.xyz-pos.xyz; - float dist2 = dot(lv,lv); - dist2 /= vary_light.w; - if (dist2 <= 1.0) - { - vec3 norm = texelFetch(normalMap, itc, i).xyz; - norm = vec3((norm.xy-0.5)*2.0,norm.z); // unpack norm - - norm = normalize(norm); - float l_dist = -dot(lv, proj_n); - - vec4 proj_tc = (proj_mat * vec4(pos.xyz, 1.0)); - if (proj_tc.z >= 0.0) - { - proj_tc.xyz /= proj_tc.w; - - float fa = vertex_color.a+1.0; - float dist_atten = min(1.0-(dist2-1.0*(1.0-fa))/fa, 1.0); - if (dist_atten > 0.0) - { - lv = proj_origin-pos.xyz; - lv = normalize(lv); - float da = dot(norm, lv); - - vec3 col = vec3(0,0,0); - - vec3 diff_tex = texelFetch(diffuseRect, itc, i).rgb; - - float noise = texture2D(noiseMap, frag.xy/128.0).b; - if (proj_tc.z > 0.0 && - proj_tc.x < 1.0 && - proj_tc.y < 1.0 && - proj_tc.x > 0.0 && - proj_tc.y > 0.0) - { - float lit = 0.0; - float amb_da = proj_ambiance; - - if (da > 0.0) - { - float diff = clamp((l_dist-proj_focus)/proj_range, 0.0, 1.0); - float lod = diff * proj_lod; - - vec4 plcol = texture2DLodDiffuse(projectionMap, proj_tc.xy, lod); - - vec3 lcol = vertex_color.rgb * plcol.rgb * plcol.a; - - lit = da * dist_atten * noise; - - col = lcol*lit*diff_tex*shadow; - amb_da += (da*0.5)*(1.0-shadow)*proj_ambiance; - } - - //float diff = clamp((proj_range-proj_focus)/proj_range, 0.0, 1.0); - vec4 amb_plcol = texture2DLodAmbient(projectionMap, proj_tc.xy, proj_lod); - - amb_da += (da*da*0.5+0.5)*proj_ambiance; - - amb_da *= dist_atten * noise; - - amb_da = min(amb_da, 1.0-lit); - - col += amb_da*vertex_color.rgb*diff_tex.rgb*amb_plcol.rgb*amb_plcol.a; - } - - - vec4 spec = texelFetch(specularRect, itc, i); - if (spec.a > 0.0) - { - vec3 ref = reflect(normalize(pos), norm); - - //project from point pos in direction ref to plane proj_p, proj_n - vec3 pdelta = proj_p-pos; - float ds = dot(ref, proj_n); - - if (ds < 0.0) - { - vec3 pfinal = pos + ref * dot(pdelta, proj_n)/ds; - - vec4 stc = (proj_mat * vec4(pfinal.xyz, 1.0)); - - if (stc.z > 0.0) - { - stc.xy /= stc.w; - - float fatten = clamp(spec.a*spec.a+spec.a*0.5, 0.25, 1.0); - - stc.xy = (stc.xy - vec2(0.5)) * fatten + vec2(0.5); - - if (stc.x < 1.0 && - stc.y < 1.0 && - stc.x > 0.0 && - stc.y > 0.0) - { - vec4 scol = texture2DLodSpecular(projectionMap, stc.xy, proj_lod-spec.a*proj_lod); - col += dist_atten*scol.rgb*vertex_color.rgb*scol.a*spec.rgb*shadow; - } - } - } - } - - fcol += col; - wght++; - } - } - } - } - - if (wght <= 0) - { - discard; - } - - gl_FragColor.rgb = fcol/wght; - gl_FragColor.a = 0.0; -} diff --git a/indra/newview/app_settings/shaders/class2/deferred/sunLightMSF.glsl b/indra/newview/app_settings/shaders/class2/deferred/sunLightMSF.glsl deleted file mode 100644 index 11b3faa4c9..0000000000 --- a/indra/newview/app_settings/shaders/class2/deferred/sunLightMSF.glsl +++ /dev/null @@ -1,222 +0,0 @@ -/** - * @file sunLightMSF.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 -#extension GL_ARB_texture_multisample : enable - -#ifdef DEFINE_GL_FRAGCOLOR -out vec4 gl_FragColor; -#endif - -//class 2, shadows, no SSAO - -uniform sampler2DMS depthMap; -uniform sampler2DMS normalMap; -uniform sampler2DRectShadow shadowMap0; -uniform sampler2DRectShadow shadowMap1; -uniform sampler2DRectShadow shadowMap2; -uniform sampler2DRectShadow shadowMap3; -uniform sampler2DShadow shadowMap4; -uniform sampler2DShadow shadowMap5; - - -// Inputs -uniform mat4 shadow_matrix[6]; -uniform vec4 shadow_clip; -uniform float ssao_radius; -uniform float ssao_max_radius; -uniform float ssao_factor; -uniform float ssao_factor_inv; - -VARYING vec2 vary_fragcoord; -VARYING vec4 vary_light; - -uniform mat4 inv_proj; -uniform vec2 screen_res; -uniform vec2 shadow_res; -uniform vec2 proj_shadow_res; - -uniform float shadow_bias; -uniform float shadow_offset; - -uniform float spot_shadow_bias; -uniform float spot_shadow_offset; - -vec4 getPosition(ivec2 pos_screen, int sample) -{ - float depth = texelFetch(depthMap, pos_screen.xy, sample).r; - vec2 sc = vec2(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; -} - -float pcfShadow(sampler2DRectShadow shadowMap, vec4 stc, float scl) -{ - stc.xyz /= stc.w; - stc.z += shadow_bias*scl; - - float cs = shadow2DRect(shadowMap, stc.xyz).x; - float shadow = cs; - - shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(1.5, 1.5, 0.0)).x, cs); - shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(1.5, -1.5, 0.0)).x, cs); - shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(-1.5, 1.5, 0.0)).x, cs); - shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(-1.5, -1.5, 0.0)).x, cs); - - return shadow/5.0; - - //return shadow; -} - -float pcfShadow(sampler2DShadow shadowMap, vec4 stc, float scl) -{ - stc.xyz /= stc.w; - stc.z += spot_shadow_bias*scl; - - float cs = shadow2D(shadowMap, stc.xyz); - float shadow = cs; - - vec2 off = 1.5/proj_shadow_res; - - shadow += max(shadow2D(shadowMap, stc.xyz+vec3(off.x, off.y, 0.0)), cs); - shadow += max(shadow2D(shadowMap, stc.xyz+vec3(off.x, -off.y, 0.0)), cs); - shadow += max(shadow2D(shadowMap, stc.xyz+vec3(-off.x, off.y, 0.0)), cs); - shadow += max(shadow2D(shadowMap, stc.xyz+vec3(-off.x, -off.y, 0.0)), cs); - - return shadow/5.0; - - //return shadow; -} - -void main() -{ - vec2 pos_screen = vary_fragcoord.xy; - ivec2 itc = ivec2(pos_screen); - - //try doing an unproject here - - vec4 fcol = vec4(0,0,0,0); - - for (int i = 0; i < samples; i++) - { - vec4 pos = getPosition(itc, i); - - vec4 nmap4 = texelFetch(normalMap, itc, i); - nmap4 = vec4((nmap4.xy-0.5)*2.0,nmap4.z,nmap4.w); // unpack norm - float displace = nmap4.w; - vec3 norm = nmap4.xyz; - - /*if (pos.z == 0.0) // do nothing for sky *FIX: REMOVE THIS IF/WHEN THE POSITION MAP IS BEING USED AS A STENCIL - { - gl_FragColor = vec4(0.0); // doesn't matter - return; - }*/ - - float shadow = 1.0; - float dp_directional_light = max(0.0, dot(norm, vary_light.xyz)); - - vec3 shadow_pos = pos.xyz + displace*norm; - vec3 offset = vary_light.xyz * (1.0-dp_directional_light); - - vec4 spos = vec4(shadow_pos+offset*shadow_offset, 1.0); - - if (spos.z > -shadow_clip.w) - { - if (dp_directional_light == 0.0) - { - // if we know this point is facing away from the sun then we know it's in shadow without having to do a squirrelly shadow-map lookup - shadow = 0.0; - } - else - { - vec4 lpos; - - if (spos.z < -shadow_clip.z) - { - lpos = shadow_matrix[3]*spos; - lpos.xy *= shadow_res; - shadow = pcfShadow(shadowMap3, lpos, 0.25); - shadow += max((pos.z+shadow_clip.z)/(shadow_clip.z-shadow_clip.w)*2.0-1.0, 0.0); - } - else if (spos.z < -shadow_clip.y) - { - lpos = shadow_matrix[2]*spos; - lpos.xy *= shadow_res; - shadow = pcfShadow(shadowMap2, lpos, 0.5); - } - else if (spos.z < -shadow_clip.x) - { - lpos = shadow_matrix[1]*spos; - lpos.xy *= shadow_res; - shadow = pcfShadow(shadowMap1, lpos, 0.75); - } - else - { - lpos = shadow_matrix[0]*spos; - lpos.xy *= shadow_res; - shadow = pcfShadow(shadowMap0, lpos, 1.0); - } - - // take the most-shadowed value out of these two: - // * the blurred sun shadow in the light (shadow) map - // * an unblurred dot product between the sun and this norm - // the goal is to err on the side of most-shadow to fill-in shadow holes and reduce artifacting - shadow = min(shadow, dp_directional_light); - - //lpos.xy /= lpos.w*32.0; - //if (fract(lpos.x) < 0.1 || fract(lpos.y) < 0.1) - //{ - // shadow = 0.0; - //} - - } - } - else - { - // more distant than the shadow map covers - shadow = 1.0; - } - - fcol[0] += shadow; - fcol[1] += 1.0; - - spos = vec4(shadow_pos+norm*spot_shadow_offset, 1.0); - - //spotlight shadow 1 - vec4 lpos = shadow_matrix[4]*spos; - fcol[2] += pcfShadow(shadowMap4, lpos, 0.8); - - //spotlight shadow 2 - lpos = shadow_matrix[5]*spos; - fcol[3] += pcfShadow(shadowMap5, lpos, 0.8); - } - - gl_FragColor = fcol/samples; -} diff --git a/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOMSF.glsl b/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOMSF.glsl deleted file mode 100644 index c571db9df2..0000000000 --- a/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOMSF.glsl +++ /dev/null @@ -1,260 +0,0 @@ -/** - * @file sunLightSSAOF.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 -#extension GL_ARB_texture_multisample : enable - -#ifdef DEFINE_GL_FRAGCOLOR -out vec4 gl_FragColor; -#endif - -//class 2 -- shadows and SSAO - -uniform sampler2DMS depthMap; -uniform sampler2DMS normalMap; -uniform sampler2DRectShadow shadowMap0; -uniform sampler2DRectShadow shadowMap1; -uniform sampler2DRectShadow shadowMap2; -uniform sampler2DRectShadow shadowMap3; -uniform sampler2DShadow shadowMap4; -uniform sampler2DShadow shadowMap5; -uniform sampler2D noiseMap; - -// Inputs -uniform mat4 shadow_matrix[6]; -uniform vec4 shadow_clip; -uniform float ssao_radius; -uniform float ssao_max_radius; -uniform float ssao_factor; -uniform float ssao_factor_inv; - -VARYING vec2 vary_fragcoord; -VARYING vec4 vary_light; - -uniform mat4 inv_proj; -uniform vec2 screen_res; -uniform vec2 shadow_res; -uniform vec2 proj_shadow_res; - -uniform float shadow_bias; -uniform float shadow_offset; - -uniform float spot_shadow_bias; -uniform float spot_shadow_offset; - -vec4 getPosition(ivec2 pos_screen, int sample) -{ - float depth = texelFetch(depthMap, pos_screen, sample).r; - vec2 sc = vec2(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; -} - -//calculate decreases in ambient lighting when crowded out (SSAO) -float calcAmbientOcclusion(vec4 pos, vec3 norm, int sample) -{ - float ret = 1.0; - - vec2 kern[8]; - // exponentially (^2) distant occlusion samples spread around origin - kern[0] = vec2(-1.0, 0.0) * 0.125*0.125; - kern[1] = vec2(1.0, 0.0) * 0.250*0.250; - kern[2] = vec2(0.0, 1.0) * 0.375*0.375; - kern[3] = vec2(0.0, -1.0) * 0.500*0.500; - kern[4] = vec2(0.7071, 0.7071) * 0.625*0.625; - kern[5] = vec2(-0.7071, -0.7071) * 0.750*0.750; - kern[6] = vec2(-0.7071, 0.7071) * 0.875*0.875; - kern[7] = vec2(0.7071, -0.7071) * 1.000*1.000; - - vec2 pos_screen = vary_fragcoord.xy; - vec3 pos_world = pos.xyz; - vec2 noise_reflect = texture2D(noiseMap, vary_fragcoord.xy/128.0).xy; - - float angle_hidden = 0.0; - int points = 0; - - float scale = min(ssao_radius / -pos_world.z, ssao_max_radius); - - // it was found that keeping # of samples a constant was the fastest, probably due to compiler optimizations (unrolling?) - for (int i = 0; i < 8; i++) - { - ivec2 samppos_screen = ivec2(pos_screen + scale * reflect(kern[i], noise_reflect)); - vec3 samppos_world = getPosition(samppos_screen, sample).xyz; - - vec3 diff = pos_world - samppos_world; - float dist2 = dot(diff, diff); - - // assume each sample corresponds to an occluding sphere with constant radius, constant x-sectional area - // --> solid angle shrinking by the square of distance - //radius is somewhat arbitrary, can approx with just some constant k * 1 / dist^2 - //(k should vary inversely with # of samples, but this is taken care of later) - - angle_hidden = angle_hidden + float(dot((samppos_world - 0.05*norm - pos_world), norm) > 0.0) * min(1.0/dist2, ssao_factor_inv); - - // 'blocked' samples (significantly closer to camera relative to pos_world) are "no data", not "no occlusion" - points = points + int(diff.z > -1.0); - } - - angle_hidden = min(ssao_factor*angle_hidden/float(points), 1.0); - - ret = (1.0 - (float(points != 0) * angle_hidden)); - - return min(ret, 1.0); -} - -float pcfShadow(sampler2DRectShadow shadowMap, vec4 stc, float scl) -{ - stc.xyz /= stc.w; - stc.z += shadow_bias*scl; - - float cs = shadow2DRect(shadowMap, stc.xyz).x; - float shadow = cs; - - shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(1.5, 1.5, 0.0)).x, cs); - shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(1.5, -1.5, 0.0)).x, cs); - shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(-1.5, 1.5, 0.0)).x, cs); - shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(-1.5, -1.5, 0.0)).x, cs); - - return shadow/5.0; - - //return shadow; -} - -float pcfShadow(sampler2DShadow shadowMap, vec4 stc, float scl) -{ - stc.xyz /= stc.w; - stc.z += spot_shadow_bias*scl; - - float cs = shadow2D(shadowMap, stc.xyz); - float shadow = cs; - - vec2 off = 1.5/proj_shadow_res; - - shadow += max(shadow2D(shadowMap, stc.xyz+vec3(off.x, off.y, 0.0)), cs); - shadow += max(shadow2D(shadowMap, stc.xyz+vec3(off.x, -off.y, 0.0)), cs); - shadow += max(shadow2D(shadowMap, stc.xyz+vec3(-off.x, off.y, 0.0)), cs); - shadow += max(shadow2D(shadowMap, stc.xyz+vec3(-off.x, -off.y, 0.0)), cs); - - - return shadow/5.0; - - //return shadow; -} - -void main() -{ - vec2 pos_screen = vary_fragcoord.xy; - ivec2 itc = ivec2(pos_screen); - vec4 fcol = vec4(0,0,0,0); - - for (int i = 0; i < samples; i++) - { - vec4 pos = getPosition(itc, i); - - vec4 nmap4 = texelFetch(normalMap, itc, i); - nmap4 = vec4((nmap4.xy-0.5)*2.0,nmap4.z,nmap4.w); // unpack norm - float displace = nmap4.w; - vec3 norm = nmap4.xyz; - - float shadow = 1.0; - float dp_directional_light = max(0.0, dot(norm, vary_light.xyz)); - - vec3 shadow_pos = pos.xyz + displace*norm; - vec3 offset = vary_light.xyz * (1.0-dp_directional_light); - - vec4 spos = vec4(shadow_pos+offset*shadow_offset, 1.0); - - if (spos.z > -shadow_clip.w) - { - if (dp_directional_light == 0.0) - { - // if we know this point is facing away from the sun then we know it's in shadow without having to do a squirrelly shadow-map lookup - shadow = 0.0; - } - else - { - vec4 lpos; - - if (spos.z < -shadow_clip.z) - { - lpos = shadow_matrix[3]*spos; - lpos.xy *= shadow_res; - shadow = pcfShadow(shadowMap3, lpos, 0.25); - shadow += max((pos.z+shadow_clip.z)/(shadow_clip.z-shadow_clip.w)*2.0-1.0, 0.0); - } - else if (spos.z < -shadow_clip.y) - { - lpos = shadow_matrix[2]*spos; - lpos.xy *= shadow_res; - shadow = pcfShadow(shadowMap2, lpos, 0.5); - } - else if (spos.z < -shadow_clip.x) - { - lpos = shadow_matrix[1]*spos; - lpos.xy *= shadow_res; - shadow = pcfShadow(shadowMap1, lpos, 0.75); - } - else - { - lpos = shadow_matrix[0]*spos; - lpos.xy *= shadow_res; - shadow = pcfShadow(shadowMap0, lpos, 1.0); - } - - // take the most-shadowed value out of these two: - // * the blurred sun shadow in the light (shadow) map - // * an unblurred dot product between the sun and this norm - // the goal is to err on the side of most-shadow to fill-in shadow holes and reduce artifacting - shadow = min(shadow, dp_directional_light); - - } - } - else - { - // more distant than the shadow map covers - shadow = 1.0; - } - - - fcol[0] += shadow; - fcol[1] += calcAmbientOcclusion(pos, norm, i); - - spos.xyz = shadow_pos+offset*spot_shadow_offset; - - //spotlight shadow 1 - vec4 lpos = shadow_matrix[4]*spos; - fcol[2] += pcfShadow(shadowMap4, lpos, 0.8); - - //spotlight shadow 2 - lpos = shadow_matrix[5]*spos; - fcol[3] += pcfShadow(shadowMap5, lpos, 0.8); - } - - gl_FragColor = fcol / samples; -} |