diff options
Diffstat (limited to 'indra')
5 files changed, 404 insertions, 1 deletions
diff --git a/indra/llrender/llshadermgr.cpp b/indra/llrender/llshadermgr.cpp index e128979a76..ae91567334 100644 --- a/indra/llrender/llshadermgr.cpp +++ b/indra/llrender/llshadermgr.cpp @@ -638,7 +638,7 @@ GLhandleARB LLShaderMgr::loadShaderFile(const std::string& filename, S32 & shade file = LLFile::fopen(open_file_name, "r"); /* Flawfinder: ignore */ if (file) { - LL_DEBUGS("ShaderLoading") << "Loading file: shaders/class" << gpu_class << "/" << open_file_name << " (Want class " << gpu_class << ")" << LL_ENDL; + LL_DEBUGS("ShaderLoading") << "Loading file: " << open_file_name << " (Want class " << gpu_class << ")" << LL_ENDL; break; // done } } diff --git a/indra/newview/app_settings/shaders/class1/deferred/deferredUtil.glsl b/indra/newview/app_settings/shaders/class1/deferred/deferredUtil.glsl new file mode 100644 index 0000000000..b810bb4fd1 --- /dev/null +++ b/indra/newview/app_settings/shaders/class1/deferred/deferredUtil.glsl @@ -0,0 +1,287 @@ +/** + * @file shadowUtil.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 + * $/LicenseInfo$ + */ + +uniform sampler2DRect normalMap; +uniform sampler2DRect depthMap; +uniform sampler2D noiseMap; +uniform sampler2DShadow shadowMap0; +uniform sampler2DShadow shadowMap1; +uniform sampler2DShadow shadowMap2; +uniform sampler2DShadow shadowMap3; +uniform sampler2DShadow shadowMap4; +uniform sampler2DShadow shadowMap5; + +uniform float ssao_radius; +uniform float ssao_max_radius; +uniform float ssao_factor; +uniform float ssao_factor_inv; + +uniform vec3 sun_dir; +uniform vec2 shadow_res; +uniform vec2 proj_shadow_res; +uniform mat4 shadow_matrix[6]; +uniform vec4 shadow_clip; +uniform float shadow_bias; + +uniform float spot_shadow_bias; +uniform float spot_shadow_offset; + +uniform mat4 inv_proj; +uniform vec2 screen_res; + +vec3 decode_normal(vec2 enc); + +vec2 getScreenCoordinate(vec2 screenpos) +{ + vec2 sc = screenpos.xy * 2.0; + if (screen_res.x > 0 && screen_res.y > 0) + { + sc /= screen_res; + } + return sc - vec2(1.0, 1.0); +} + +vec3 getNorm(vec2 screenpos) +{ + vec2 enc_norm = texture2DRect(normalMap, screenpos.xy).xy; + return decode_normal(enc_norm); +} + +float getDepth(vec2 pos_screen) +{ + float depth = texture2DRect(depthMap, pos_screen).r; + return depth; +} + +vec4 getPosition(vec2 pos_screen) +{ + float depth = getDepth(pos_screen); + vec2 sc = getScreenCoordinate(pos_screen); + 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 getPositionWithDepth(vec2 pos_screen, float depth) +{ + vec2 sc = getScreenCoordinate(pos_screen); + 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(sampler2DShadow shadowMap, vec4 stc, float bias_scale, vec2 pos_screen) +{ + stc.xyz /= stc.w; + stc.z += shadow_bias * bias_scale; + + stc.x = floor(stc.x*pos_screen.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; +} + +float pcfSpotShadow(sampler2DShadow shadowMap, vec4 stc, float bias_scale, vec2 pos_screen) +{ + stc.xyz /= stc.w; + stc.z += spot_shadow_bias * bias_scale; + stc.x = floor(proj_shadow_res.x * stc.x + fract(pos_screen.y*0.666666666)) / proj_shadow_res.x; // snap + + float cs = shadow2D(shadowMap, stc.xyz).x; + float shadow = cs; + + vec2 off = 1.0/proj_shadow_res; + off.y *= 1.5; + + shadow += shadow2D(shadowMap, stc.xyz+vec3(off.x*2.0, off.y, 0.0)).x; + shadow += shadow2D(shadowMap, stc.xyz+vec3(off.x, -off.y, 0.0)).x; + shadow += shadow2D(shadowMap, stc.xyz+vec3(-off.x, off.y, 0.0)).x; + shadow += shadow2D(shadowMap, stc.xyz+vec3(-off.x*2.0, -off.y, 0.0)).x; + return shadow*0.2; +} + +float sampleDirectionalShadow(vec3 pos, vec3 norm, vec2 pos_screen) +{ + float dp_directional_light = max(0.0, dot(sun_dir.xyz, norm)); + vec3 offset = sun_dir.xyz * (1.0-dp_directional_light); + vec3 shadow_pos = pos.xyz + (offset * shadow_bias); + + float shadow = 0.0f; + vec4 spos = vec4(shadow_pos,1.0); + 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, 0.5, pos_screen)*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, 0.75, pos_screen)*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, 0.88, pos_screen)*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, 1.0, pos_screen)*w; + weight += w; + } + + shadow /= weight; + } + return shadow; +} + +float sampleSpotShadow(vec3 pos, vec3 norm, int index, vec2 pos_screen) +{ + float shadow = 0.0f; + pos += norm * spot_shadow_offset; + + vec4 spos = vec4(pos,1.0); + 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; + + { + lpos = shadow_matrix[4 + index]*spos; + float w = 1.0; + w -= max(spos.z-far_split.z, 0.0)/transition_domain.z; + + shadow += pcfSpotShadow((index == 0) ? shadowMap4 : shadowMap5, lpos, 0.8, spos.xy)*w; + weight += w; + shadow += max((pos.z+shadow_clip.z)/(shadow_clip.z-shadow_clip.w)*2.0-1.0, 0.0); + } + + shadow /= weight; + } + return shadow; +} + +vec2 getKern(int i) +{ + 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; + + return kern[i]; +} + +//calculate decreases in ambient lighting when crowded out (SSAO) +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?) + for (int i = 0; i < 8; i++) + { + vec2 samppos_screen = pos_screen + scale * reflect(getKern(i), noise_reflect); + vec3 samppos_world = getPosition(samppos_screen).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) + + 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); + + // '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); + + float points_val = (points > 0.0) ? 1.0 : 0.0; + ret = (1.0 - (points_val * angle_hidden)); + + ret = max(ret, 0.0); + return min(ret, 1.0); +} + diff --git a/indra/newview/app_settings/shaders/class1/deferred/indirect.glsl b/indra/newview/app_settings/shaders/class1/deferred/indirect.glsl new file mode 100644 index 0000000000..49bfa660f8 --- /dev/null +++ b/indra/newview/app_settings/shaders/class1/deferred/indirect.glsl @@ -0,0 +1,30 @@ +/** + * @file class1/deferred/indirect.glsl + * + * $LicenseInfo:firstyear=2018&license=viewerlgpl$ + * 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 + * $/LicenseInfo$ + */ + +vec3 getIndirect(vec3 ambient, vec3 norm, vec3 pos, vec2 pos_screen) +{ + return ambient; +} + diff --git a/indra/newview/app_settings/shaders/class2/deferred/indirect.glsl b/indra/newview/app_settings/shaders/class2/deferred/indirect.glsl new file mode 100644 index 0000000000..67b98e0fb1 --- /dev/null +++ b/indra/newview/app_settings/shaders/class2/deferred/indirect.glsl @@ -0,0 +1,32 @@ +/** + * @file class2/deferred/indirect.glsl + * + * $LicenseInfo:firstyear=2018&license=viewerlgpl$ + * 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 + * $/LicenseInfo$ + */ + +float calcAmbientOcclusion(vec4 pos, vec3 norm, vec2 pos_screen); + +vec3 getIndirect(vec3 ambient, vec3 norm, vec4 pos, vec2 pos_screen) +{ + return ambient * calcAmbientOcclusion(pos, norm, pos_screen); +} + diff --git a/indra/newview/app_settings/shaders/class3/windlight/gammaF.glsl b/indra/newview/app_settings/shaders/class3/windlight/gammaF.glsl new file mode 100644 index 0000000000..709d9cbc0a --- /dev/null +++ b/indra/newview/app_settings/shaders/class3/windlight/gammaF.glsl @@ -0,0 +1,54 @@ +/** + * @file gammaF.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 + * $/LicenseInfo$ + */ + + + +uniform vec4 gamma; +uniform int no_atmo; + +vec3 scaleSoftClipFrag(vec3 light) { + if (no_atmo == 1) + { + return light; + } + light = 1. - clamp(light, vec3(0.), vec3(1.)); + light = 1. - pow(light, gamma.xxx); + return light; +} + +/// Soft clips the light with a gamma correction +vec3 scaleSoftClip(vec3 light) { + return scaleSoftClipFrag(light); +} + +vec3 fullbrightScaleSoftClipFrag(vec3 light) +{ + return scaleSoftClipFrag(light.rgb); +} + +vec3 fullbrightScaleSoftClip(vec3 light) { + return fullbrightScaleSoftClipFrag(light.rgb); +} + |