From 3400e5fd302c0d9dea6386c4d5bf38876f2cc287 Mon Sep 17 00:00:00 2001 From: Dave Parks Date: Mon, 16 May 2022 17:21:08 +0000 Subject: SL-17284 Reflection probe tuning and optimization take 1 --- .../shaders/class1/deferred/aoUtil.glsl | 14 ++-- .../shaders/class1/deferred/blurLightF.glsl | 29 ++++++--- .../shaders/class1/interface/reflectionmipF.glsl | 75 ++++++++++++++++++++++ 3 files changed, 101 insertions(+), 17 deletions(-) create mode 100644 indra/newview/app_settings/shaders/class1/interface/reflectionmipF.glsl (limited to 'indra/newview/app_settings/shaders/class1') diff --git a/indra/newview/app_settings/shaders/class1/deferred/aoUtil.glsl b/indra/newview/app_settings/shaders/class1/deferred/aoUtil.glsl index 23adbded5e..73c125bbdc 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/aoUtil.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/aoUtil.glsl @@ -29,8 +29,6 @@ uniform sampler2DRect depthMap; uniform float ssao_radius; uniform float ssao_max_radius; -uniform float ssao_factor; -uniform float ssao_factor_inv; uniform mat4 inv_proj; uniform vec2 screen_res; @@ -83,14 +81,14 @@ float calcAmbientOcclusion(vec4 pos, vec3 norm, vec2 pos_screen) { float ret = 1.0; vec3 pos_world = pos.xyz; - vec2 noise_reflect = texture2D(noiseMap, pos_screen.xy/128.0).xy; + float angle_hidden = 0.0; float 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?) + float scale = min(ssao_radius / -pos_world.z, ssao_max_radius); + vec2 noise_reflect = texture2D(noiseMap, pos_screen.xy/128.0).xy; for (int i = 0; i < 8; i++) { vec2 samppos_screen = pos_screen + scale * reflect(getKern(i), noise_reflect); @@ -105,14 +103,14 @@ float calcAmbientOcclusion(vec4 pos, vec3 norm, vec2 pos_screen) //(k should vary inversely with # of samples, but this is taken care of later) float funky_val = (dot((samppos_world - 0.05*norm - pos_world), norm) > 0.0) ? 1.0 : 0.0; - angle_hidden = angle_hidden + funky_val * min(1.0/dist2, ssao_factor_inv); + angle_hidden = angle_hidden + funky_val * min(1.0/dist2, 1.0); // 'blocked' samples (significantly closer to camera relative to pos_world) are "no data", not "no occlusion" float diffz_val = (diff.z > -1.0) ? 1.0 : 0.0; points = points + diffz_val; } - - angle_hidden = min(ssao_factor*angle_hidden/points, 1.0); + + angle_hidden = min(angle_hidden/points, 1.0); float points_val = (points > 0.0) ? 1.0 : 0.0; ret = (1.0 - (points_val * angle_hidden)); diff --git a/indra/newview/app_settings/shaders/class1/deferred/blurLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/blurLightF.glsl index 596d0274af..fa3634f3b6 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/blurLightF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/blurLightF.glsl @@ -69,36 +69,47 @@ void main() tc_mod *= 2.0; tc += ( (tc_mod - 0.5) * kern[1].z * dlt * 0.5 ); - for (int i = 1; i < 4; i++) + // TODO: move this to kern instead of building kernel per pixel + vec3 k[7]; + k[0] = kern[0]; + k[2] = kern[1]; + k[4] = kern[2]; + k[6] = kern[3]; + + k[1] = (k[0]+k[2])*0.5f; + k[3] = (k[2]+k[4])*0.5f; + k[5] = (k[4]+k[6])*0.5f; + + for (int i = 1; i < 7; i++) { - vec2 samptc = tc + kern[i].z*dlt; + vec2 samptc = tc + k[i].z*dlt*2.0; vec3 samppos = getPosition(samptc).xyz; float d = dot(norm.xyz, samppos.xyz-pos.xyz);// dist from plane if (d*d <= pointplanedist_tolerance_pow2) { - col += texture2DRect(lightMap, samptc)*kern[i].xyxx; - defined_weight += kern[i].xy; + col += texture2DRect(lightMap, samptc)*k[i].xyxx; + defined_weight += k[i].xy; } } - for (int i = 1; i < 4; i++) + for (int i = 1; i < 7; i++) { - vec2 samptc = tc - kern[i].z*dlt; + vec2 samptc = tc - k[i].z*dlt*2.0; vec3 samppos = getPosition(samptc).xyz; float d = dot(norm.xyz, samppos.xyz-pos.xyz);// dist from plane if (d*d <= pointplanedist_tolerance_pow2) { - col += texture2DRect(lightMap, samptc)*kern[i].xyxx; - defined_weight += kern[i].xy; + col += texture2DRect(lightMap, samptc)*k[i].xyxx; + defined_weight += k[i].xy; } } col /= defined_weight.xyxx; - col.y *= col.y; + //col.y *= max(col.y, 0.75); frag_color = col; diff --git a/indra/newview/app_settings/shaders/class1/interface/reflectionmipF.glsl b/indra/newview/app_settings/shaders/class1/interface/reflectionmipF.glsl new file mode 100644 index 0000000000..ea687aab4f --- /dev/null +++ b/indra/newview/app_settings/shaders/class1/interface/reflectionmipF.glsl @@ -0,0 +1,75 @@ +/** + * @file reflectionmipF.glsl + * + * $LicenseInfo:firstyear=2022&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2022, 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 + +/*[EXTRA_CODE_HERE]*/ + +#ifdef DEFINE_GL_FRAGCOLOR +out vec4 frag_color; +#else +#define frag_color gl_FragColor +#endif + +uniform sampler2DRect screenMap; + +VARYING vec2 vary_texcoord0; + +void main() +{ + float w[9]; + + float c = 1.0/16.0; //corner weight + float e = 1.0/8.0; //edge weight + float m = 1.0/4.0; //middle weight + + //float wsum = c*4+e*4+m; + + w[0] = c; w[1] = e; w[2] = c; + w[3] = e; w[4] = m; w[5] = e; + w[6] = c; w[7] = e; w[8] = c; + + vec2 tc[9]; + + float ed = 1; + float cd = 1; + + + tc[0] = vec2(-cd, cd); tc[1] = vec2(0, ed); tc[2] = vec2(cd, cd); + tc[3] = vec2(-ed, 0); tc[4] = vec2(0, 0); tc[5] = vec2(ed, 0); + tc[6] = vec2(-cd, -cd); tc[7] = vec2(0, -ed); tc[8] = vec2(cd, -1); + + vec3 color = vec3(0,0,0); + + for (int i = 0; i < 9; ++i) + { + color += texture2DRect(screenMap, vary_texcoord0.xy+tc[i]).rgb * w[i]; + //color += texture2DRect(screenMap, vary_texcoord0.xy+tc[i]*2.0).rgb * w[i]*0.5; + } + + //color /= wsum; + + frag_color = vec4(color, 1.0); +} -- cgit v1.2.3