From 3c4a1b3fd80fd8e174919e685166e819e311f0ef Mon Sep 17 00:00:00 2001 From: Dave Houlton Date: Thu, 21 May 2020 17:24:21 -0600 Subject: SL-13163 - Fix (revert) EEP specular contribution calculation for deferred --- .../shaders/class2/deferred/softenLightF.glsl | 34 +++------------------- 1 file changed, 4 insertions(+), 30 deletions(-) (limited to 'indra/newview/app_settings/shaders/class2/deferred') diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl index b0dff0c628..40f0f0448a 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl @@ -127,42 +127,16 @@ void main() if (spec.a > 0.0) // specular reflection { - -#if 1 //EEP - vec3 npos = -normalize(pos.xyz); - - //vec3 ref = dot(pos+lv, norm); - vec3 h = normalize(light_dir.xyz+npos); - float nh = dot(norm.xyz, h); - float nv = dot(norm.xyz, npos); - float vh = dot(npos, h); - float sa = nh; - float fres = pow(1 - dot(h, npos), 5)*0.4+0.5; - - float gtdenom = 2 * nh; - float gt = max(0, min(gtdenom * nv / vh, gtdenom * da / vh)); - - if (nh > 0.0) - { - float scontrib = fres*texture2D(lightFunc, vec2(nh, spec.a)).r*gt/(nh*da); - vec3 sp = sun_contrib*scontrib / 6.0; - sp = clamp(sp, vec3(0), vec3(1)); - bloom += dot(sp, sp) / 4.0; - color += sp * spec.rgb; - } -#else //PRODUCTION float sa = dot(refnormpersp, light_dir.xyz); - vec3 dumbshiny = sunlit*(texture2D(lightFunc, vec2(sa, spec.a)).r); - + vec3 dumbshiny = sunlit * (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) / 6; color.rgb += spec_contrib; -#endif - } - - color.rgb = mix(color.rgb, diffuse.rgb, diffuse.a); + + color.rgb = mix(color.rgb, diffuse.rgb, diffuse.a); if (envIntensity > 0.0) { //add environmentmap -- cgit v1.2.3 From 0e3e3db40ea3778f65b36df781f1aacb5b9bd59c Mon Sep 17 00:00:00 2001 From: Dave Houlton Date: Fri, 19 Jun 2020 16:41:19 -0600 Subject: SL-13416 eliminate sun/moon specular on shadowed surfaces --- .../shaders/class2/deferred/softenLightF.glsl | 169 +++++++++------------ 1 file changed, 76 insertions(+), 93 deletions(-) (limited to 'indra/newview/app_settings/shaders/class2/deferred') diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl index 40f0f0448a..f4db53e0b7 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl @@ -1,24 +1,24 @@ -/** +/** * @file class2/deferred/softenLightF.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 * $/LicenseInfo$ */ @@ -39,7 +39,7 @@ uniform sampler2DRect specularRect; uniform sampler2DRect normalMap; uniform sampler2DRect lightMap; uniform sampler2DRect depthMap; -uniform samplerCube environmentMap; +uniform samplerCube environmentMap; uniform sampler2D lightFunc; uniform float blur_size; @@ -50,7 +50,7 @@ uniform mat3 env_mat; uniform vec3 sun_dir; uniform vec3 moon_dir; -uniform int sun_up_factor; +uniform int sun_up_factor; VARYING vec2 vary_fragcoord; uniform mat4 inv_proj; @@ -61,10 +61,10 @@ vec4 getPositionWithDepth(vec2 pos_screen, float depth); void calcAtmosphericVars(vec3 inPositionEye, vec3 light_dir, float ambFactor, out vec3 sunlit, out vec3 amblit, out vec3 additive, out vec3 atten, bool use_ao); float getAmbientClamp(); -vec3 atmosFragLighting(vec3 l, vec3 additive, vec3 atten); -vec3 scaleSoftClipFrag(vec3 l); -vec3 fullbrightAtmosTransportFrag(vec3 light, vec3 additive, vec3 atten); -vec3 fullbrightScaleSoftClip(vec3 light); +vec3 atmosFragLighting(vec3 l, vec3 additive, vec3 atten); +vec3 scaleSoftClipFrag(vec3 l); +vec3 fullbrightAtmosTransportFrag(vec3 light, vec3 additive, vec3 atten); +vec3 fullbrightScaleSoftClip(vec3 light); vec3 linear_to_srgb(vec3 c); vec3 srgb_to_linear(vec3 c); @@ -73,102 +73,85 @@ vec3 srgb_to_linear(vec3 c); vec4 applyWaterFogView(vec3 pos, vec4 color); #endif -void main() +void main() { - vec2 tc = vary_fragcoord.xy; - float depth = texture2DRect(depthMap, tc.xy).r; - vec4 pos = getPositionWithDepth(tc, depth); - vec4 norm = texture2DRect(normalMap, tc); + vec2 tc = vary_fragcoord.xy; + float depth = texture2DRect(depthMap, tc.xy).r; + vec4 pos = getPositionWithDepth(tc, depth); + vec4 norm = texture2DRect(normalMap, tc); float envIntensity = norm.z; - norm.xyz = getNorm(tc); - - vec3 light_dir = (sun_up_factor == 1) ? sun_dir : moon_dir; - float da = clamp(dot(norm.xyz, light_dir.xyz), 0.0, 1.0); - float light_gamma = 1.0/1.3; - da = pow(da, light_gamma); - + norm.xyz = getNorm(tc); + + vec3 light_dir = (sun_up_factor == 1) ? sun_dir : moon_dir; + float da = clamp(dot(norm.xyz, light_dir.xyz), 0.0, 1.0); + float light_gamma = 1.0 / 1.3; + da = pow(da, light_gamma); + vec4 diffuse = texture2DRect(diffuseRect, tc); - - vec4 spec = texture2DRect(specularRect, vary_fragcoord.xy); + vec4 spec = texture2DRect(specularRect, vary_fragcoord.xy); vec2 scol_ambocc = texture2DRect(lightMap, vary_fragcoord.xy).rg; - scol_ambocc = pow(scol_ambocc, vec2(light_gamma)); + scol_ambocc = pow(scol_ambocc, vec2(light_gamma)); + float scol = max(scol_ambocc.r, diffuse.a); + float ambocc = scol_ambocc.g; - float scol = max(scol_ambocc.r, diffuse.a); + vec3 color = vec3(0); + float bloom = 0.0; - float ambocc = scol_ambocc.g; + vec3 sunlit; + vec3 amblit; + vec3 additive; + vec3 atten; + calcAtmosphericVars(pos.xyz, light_dir, ambocc, sunlit, amblit, additive, atten, true); - vec3 color = vec3(0); - float bloom = 0.0; + color.rgb = amblit; + + float ambient = min(abs(dot(norm.xyz, sun_dir.xyz)), 1.0); + ambient *= 0.5; + ambient *= ambient; + ambient = (1.0 - ambient); + color.rgb *= ambient; + + vec3 sun_contrib = min(da, scol) * sunlit; + color.rgb += sun_contrib; + color.rgb *= diffuse.rgb; + + vec3 refnormpersp = normalize(reflect(pos.xyz, norm.xyz)); + + if (spec.a > 0.0) // specular reflection { - vec3 sunlit; - vec3 amblit; - vec3 additive; - vec3 atten; - - calcAtmosphericVars(pos.xyz, light_dir, ambocc, sunlit, amblit, additive, atten, true); - - color.rgb = amblit; - - float ambient = min(abs(dot(norm.xyz, sun_dir.xyz)), 1.0); - ambient *= 0.5; - ambient *= ambient; - ambient = (1.0 - ambient); - - color.rgb *= ambient; - - vec3 sun_contrib = min(da, scol) * sunlit; - - color.rgb += sun_contrib; - - color.rgb *= diffuse.rgb; - - vec3 refnormpersp = normalize(reflect(pos.xyz, norm.xyz)); - - if (spec.a > 0.0) // specular reflection - { - float sa = dot(refnormpersp, light_dir.xyz); - vec3 dumbshiny = sunlit * (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) / 6; - color.rgb += spec_contrib; - } - - color.rgb = mix(color.rgb, diffuse.rgb, diffuse.a); - - if (envIntensity > 0.0) - { //add environmentmap - vec3 env_vec = env_mat * refnormpersp; - vec3 reflected_color = textureCube(environmentMap, env_vec).rgb; - color = mix(color.rgb, reflected_color, envIntensity); - } - - if (norm.w < 0.5) - { - color = mix(atmosFragLighting(color, additive, atten), fullbrightAtmosTransportFrag(color, additive, atten), diffuse.a); - color = mix(scaleSoftClipFrag(color), fullbrightScaleSoftClip(color), diffuse.a); - } - - #ifdef WATER_FOG - vec4 fogged = applyWaterFogView(pos.xyz,vec4(color, bloom)); - color = fogged.rgb; - bloom = fogged.a; - #endif + float sa = dot(refnormpersp, light_dir.xyz); + vec3 dumbshiny = sunlit * scol * (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) / 6; + color.rgb += spec_contrib; + } + + color.rgb = mix(color.rgb, diffuse.rgb, diffuse.a); + + if (envIntensity > 0.0) + { // add environmentmap + vec3 env_vec = env_mat * refnormpersp; + vec3 reflected_color = textureCube(environmentMap, env_vec).rgb; + color = mix(color.rgb, reflected_color, envIntensity); + } + if (norm.w < 0.5) + { + color = mix(atmosFragLighting(color, additive, atten), fullbrightAtmosTransportFrag(color, additive, atten), diffuse.a); + color = mix(scaleSoftClipFrag(color), fullbrightScaleSoftClip(color), diffuse.a); } -// linear debuggables -//color.rgb = vec3(final_da); -//color.rgb = vec3(ambient); -//color.rgb = vec3(scol); -//color.rgb = diffuse_srgb.rgb; +#ifdef WATER_FOG + vec4 fogged = applyWaterFogView(pos.xyz, vec4(color, bloom)); + color = fogged.rgb; + bloom = fogged.a; +#endif // convert to linear as fullscreen lights need to sum in linear colorspace // and will be gamma (re)corrected downstream... - frag_color.rgb = srgb_to_linear(color.rgb); - frag_color.a = bloom; + frag_color.a = bloom; } - -- cgit v1.2.3 From daa957b93ba173feb69d003dbc578e621a9a68e3 Mon Sep 17 00:00:00 2001 From: Ptolemy Date: Wed, 6 Jan 2021 17:36:10 -0800 Subject: SL-14035: Incorporate patch from Sovereign Engineer to fix specular reflection --- .../app_settings/shaders/class2/deferred/multiSpotLightF.glsl | 4 ---- indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl | 5 +++-- indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl | 2 +- 3 files changed, 4 insertions(+), 7 deletions(-) (limited to 'indra/newview/app_settings/shaders/class2/deferred') diff --git a/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl index 5d7a28c359..1b7a1cc6ec 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl @@ -191,10 +191,6 @@ void main() float da = dot(norm, lv); vec3 diff_tex = texture2DRect(diffuseRect, frag.xy).rgb; - // SL-12005 Projector light pops as we get closer, more objectionable than being in wrong color space. - // We can't switch to linear here unless we do it everywhere* - // *gbuffer IS sRGB, convert to linear since this shader outputs linear - diff_tex.rgb = srgb_to_linear(diff_tex.rgb); vec4 spec = texture2DRect(specularRect, frag.xy); diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl index f4db53e0b7..7700d16007 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl @@ -87,8 +87,9 @@ void main() float light_gamma = 1.0 / 1.3; da = pow(da, light_gamma); - vec4 diffuse = texture2DRect(diffuseRect, tc); - vec4 spec = texture2DRect(specularRect, vary_fragcoord.xy); + vec4 diffuse = texture2DRect(diffuseRect, tc); + diffuse.rgb = linear_to_srgb(diffuse.rgb); // SL-14025 + vec4 spec = texture2DRect(specularRect, vary_fragcoord.xy); vec2 scol_ambocc = texture2DRect(lightMap, vary_fragcoord.xy).rg; scol_ambocc = pow(scol_ambocc, vec2(light_gamma)); diff --git a/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl index 5ab0b5c5b4..774f537821 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl @@ -189,7 +189,7 @@ void main() lv = normalize(lv); float da = dot(norm, lv); - vec3 diff_tex = srgb_to_linear(texture2DRect(diffuseRect, frag.xy).rgb); + vec3 diff_tex = texture2DRect(diffuseRect, frag.xy).rgb; vec4 spec = texture2DRect(specularRect, frag.xy); vec3 dlit = vec3(0, 0, 0); -- cgit v1.2.3 From 9e58a7bdd6777889a43c2a7753cd3b372e55fe84 Mon Sep 17 00:00:00 2001 From: Dave Houlton Date: Tue, 12 Jan 2021 18:13:16 -0700 Subject: SL-13629 Modify texcoord to reverse rainbow color order --- indra/newview/app_settings/shaders/class2/deferred/skyF.glsl | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) (limited to 'indra/newview/app_settings/shaders/class2/deferred') diff --git a/indra/newview/app_settings/shaders/class2/deferred/skyF.glsl b/indra/newview/app_settings/shaders/class2/deferred/skyF.glsl index 1485c515a4..5a58f9bc8c 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/skyF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/skyF.glsl @@ -73,7 +73,15 @@ uniform float ice_level; vec3 rainbow(float d) { - d = clamp(d, -1.0, 0.0); + // d is the dot product of view and sun directions, so ranging -1.0..1.0 + // 'interesting' values of d are the range -0.75..-0.825, when view is nearly opposite of sun vec + // Rainbox texture mode is GL_REPEAT, so tc of -.75 is equiv to 0.25, -0.825 equiv to 0.175. + + // SL-13629 Rainbow texture has colors within the correct .175...250 range, but order is inverted. + // Rather than replace the texture, we mirror and translate the y tc to keep the colors within the + // interesting range, but in reversed order: i.e. d = (1 - d) - 1.575 + d = clamp(-0.575 - d, 0.0, 1.0); + float rad = (droplet_radius - 5.0f) / 1024.0f; return pow(texture2D(rainbow_map, vec2(rad, d)).rgb, vec3(1.8)) * moisture_level; } -- cgit v1.2.3 From 28b9a465ac79e7d2284f9d561bb3ffda61c922d8 Mon Sep 17 00:00:00 2001 From: Dave Houlton Date: Tue, 19 Jan 2021 11:11:46 -0700 Subject: SL-13629, reconstruct rainbow lookup coord to reduce interior banding --- indra/newview/app_settings/shaders/class2/deferred/skyF.glsl | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'indra/newview/app_settings/shaders/class2/deferred') diff --git a/indra/newview/app_settings/shaders/class2/deferred/skyF.glsl b/indra/newview/app_settings/shaders/class2/deferred/skyF.glsl index 5a58f9bc8c..6841a8194f 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/skyF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/skyF.glsl @@ -82,6 +82,12 @@ vec3 rainbow(float d) // interesting range, but in reversed order: i.e. d = (1 - d) - 1.575 d = clamp(-0.575 - d, 0.0, 1.0); + // With the colors in the lower 1/4 of the texture, inverting the coords leaves most of it inaccessible. + // So, we can stretch the texcoord above the colors (ie > 0.25) to fill the entire remaining coordinate + // space. This improves gradation, reduces banding within the rainbow interior. (1-0.25) / (0.425/0.25) = 4.2857 + float interior_coord = max(0.0, d - 0.25) * 4.2857; + d = clamp(d, 0.0, 0.25) + interior_coord; + float rad = (droplet_radius - 5.0f) / 1024.0f; return pow(texture2D(rainbow_map, vec2(rad, d)).rgb, vec3(1.8)) * moisture_level; } -- cgit v1.2.3