diff options
Diffstat (limited to 'indra/newview/app_settings/shaders/class1')
31 files changed, 1141 insertions, 242 deletions
diff --git a/indra/newview/app_settings/shaders/class1/deferred/aoUtil.glsl b/indra/newview/app_settings/shaders/class1/deferred/aoUtil.glsl index 49470f0e39..ce018623a8 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/aoUtil.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/aoUtil.glsl @@ -23,8 +23,7 @@ * $/LicenseInfo$ */ -uniform sampler2D noiseMap; -uniform sampler2D normalMap; +uniform sampler2D noiseMap; uniform sampler2D depthMap; uniform float ssao_radius; diff --git a/indra/newview/app_settings/shaders/class1/deferred/avatarShadowF.glsl b/indra/newview/app_settings/shaders/class1/deferred/avatarShadowF.glsl index 438e1d1b33..37dcbbd328 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/avatarShadowF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/avatarShadowF.glsl @@ -27,8 +27,6 @@ out vec4 frag_color; -uniform sampler2D diffuseMap; - void main() { frag_color = vec4(1,1,1,1); diff --git a/indra/newview/app_settings/shaders/class1/deferred/blurLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/blurLightF.glsl index 8627ab1852..23a3ca4911 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/blurLightF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/blurLightF.glsl @@ -1,24 +1,24 @@ -/** +/** * @file blurLightF.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 * $/LicenseInfo$ */ @@ -27,7 +27,6 @@ out vec4 frag_color; -uniform sampler2D normalMap; uniform sampler2D lightMap; uniform float dist_factor; @@ -42,16 +41,16 @@ in vec2 vary_fragcoord; vec4 getPosition(vec2 pos_screen); vec4 getNorm(vec2 pos_screen); -void main() +void main() { vec2 tc = vary_fragcoord.xy; vec4 norm = getNorm(tc); vec3 pos = getPosition(tc).xyz; vec4 ccol = texture(lightMap, tc).rgba; - + vec2 dlt = kern_scale * delta / (1.0+norm.xy*norm.xy); dlt /= max(-pos.z*dist_factor, 1.0); - + vec2 defined_weight = kern[0].xy; // special case the first (centre) sample's weight in the blur; we have to sample it anyway so we get it for 'free' vec4 col = defined_weight.xyxx * ccol; @@ -75,15 +74,15 @@ void main() 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 + k[i].z*dlt*2.0; samptc /= screen_res; - vec3 samppos = getPosition(samptc).xyz; + vec3 samppos = getPosition(samptc).xyz; float d = dot(norm.xyz, samppos.xyz-pos.xyz);// dist from plane - + if (d*d <= pointplanedist_tolerance_pow2) { col += texture(lightMap, samptc)*k[i].xyxx; @@ -95,10 +94,10 @@ void main() { vec2 samptc = tc - k[i].z*dlt*2.0; samptc /= screen_res; - vec3 samppos = getPosition(samptc).xyz; + vec3 samppos = getPosition(samptc).xyz; float d = dot(norm.xyz, samppos.xyz-pos.xyz);// dist from plane - + if (d*d <= pointplanedist_tolerance_pow2) { col += texture(lightMap, samptc)*k[i].xyxx; @@ -108,7 +107,7 @@ void main() col /= defined_weight.xyxx; //col.y *= col.y; - + frag_color = max(col, vec4(0)); #ifdef IS_AMD_CARD diff --git a/indra/newview/app_settings/shaders/class1/deferred/deferredUtil.glsl b/indra/newview/app_settings/shaders/class1/deferred/deferredUtil.glsl index 01543732d0..ab0e4fd4d8 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/deferredUtil.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/deferredUtil.glsl @@ -50,7 +50,6 @@ SOFTWARE. uniform sampler2D normalMap; uniform sampler2D depthMap; -uniform sampler2D emissiveRect; uniform sampler2D projectionMap; // rgba uniform sampler2D brdfLut; @@ -487,6 +486,43 @@ vec3 pbrPunctual(vec3 diffuseColor, vec3 specularColor, return clamp(color, vec3(0), vec3(10)); } +vec3 pbrCalcPointLightOrSpotLight(vec3 diffuseColor, vec3 specularColor, + float perceptualRoughness, + float metallic, + vec3 n, // normal + vec3 p, // pixel position + vec3 v, // view vector (negative normalized pixel position) + vec3 lp, // light position + vec3 ld, // light direction (for spotlights) + vec3 lightColor, + float lightSize, float falloff, float is_pointlight, float ambiance) +{ + vec3 color = vec3(0,0,0); + + vec3 lv = lp.xyz - p; + + float lightDist = length(lv); + + float dist = lightDist / lightSize; + if (dist <= 1.0) + { + lv /= lightDist; + + float dist_atten = calcLegacyDistanceAttenuation(dist, falloff); + + // spotlight coefficient. + float spot = max(dot(-ld, lv), is_pointlight); + // spot*spot => GL_SPOT_EXPONENT=2 + float spot_atten = spot*spot; + + vec3 intensity = spot_atten * dist_atten * lightColor * 3.0; //magic number to balance with legacy materials + + color = intensity*pbrPunctual(diffuseColor, specularColor, perceptualRoughness, metallic, n.xyz, v, lv); + } + + return color; +} + void calcDiffuseSpecular(vec3 baseColor, float metallic, inout vec3 diffuseColor, inout vec3 specularColor) { vec3 f0 = vec3(0.04); diff --git a/indra/newview/app_settings/shaders/class1/deferred/exposureF.glsl b/indra/newview/app_settings/shaders/class1/deferred/exposureF.glsl index eff7221ae7..67890032df 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/exposureF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/exposureF.glsl @@ -1,28 +1,28 @@ -/** +/** * @file exposureF.glsl * * $LicenseInfo:firstyear=2023&license=viewerlgpl$ * Second Life Viewer Source Code * Copyright (C) 2023, 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 * $/LicenseInfo$ */ - + /*[EXTRA_CODE_HERE]*/ out vec4 frag_color; @@ -43,7 +43,7 @@ float lum(vec3 col) return dot(l, col); } -void main() +void main() { vec2 tc = vec2(0.5,0.5); @@ -53,13 +53,13 @@ void main() L /= max_L; L = pow(L, 2.0); float s = mix(dynamic_exposure_params.z, dynamic_exposure_params.y, L); - + #ifdef USE_LAST_EXPOSURE float prev = texture(exposureMap, vec2(0.5,0.5)).r; s = mix(prev, s, min(dt*2.0*abs(prev-s), 0.04)); #endif - + frag_color = max(vec4(s, s, s, dt), vec4(0.0)); } diff --git a/indra/newview/app_settings/shaders/class1/deferred/fullbrightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/fullbrightF.glsl index 52dfed06ae..2b9cc6ae5a 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/fullbrightF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/fullbrightF.glsl @@ -1,28 +1,28 @@ -/** +/** * @file deferred/fullbrightF.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 * $/LicenseInfo$ */ - + /*[EXTRA_CODE_HERE]*/ out vec4 frag_color; @@ -52,7 +52,7 @@ vec4 applySkyAndWaterFog(vec3 pos, vec3 additive, vec3 atten, vec4 color); void mirrorClip(vec3 pos); -void main() +void main() { mirrorClip(vary_position); #ifdef IS_ALPHA @@ -90,7 +90,7 @@ void main() calcAtmosphericVars(pos.xyz, vec3(0), 1.0, sunlit, amblit, additive, atten); color.rgb = applySkyAndWaterFog(pos, additive, atten, color).rgb; - + #endif #endif diff --git a/indra/newview/app_settings/shaders/class1/deferred/globalF.glsl b/indra/newview/app_settings/shaders/class1/deferred/globalF.glsl index 7e3e7d9271..a1b7a4b11f 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/globalF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/globalF.glsl @@ -1,24 +1,24 @@ -/** +/** * @file class1/deferred/globalF.glsl * * $LicenseInfo:firstyear=2024&license=viewerlgpl$ * Second Life Viewer Source Code * Copyright (C) 2024, 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 * $/LicenseInfo$ */ diff --git a/indra/newview/app_settings/shaders/class1/deferred/luminanceF.glsl b/indra/newview/app_settings/shaders/class1/deferred/luminanceF.glsl index 95b2f80e06..3432bf07ef 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/luminanceF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/luminanceF.glsl @@ -1,32 +1,32 @@ -/** +/** * @file luminanceF.glsl * * $LicenseInfo:firstyear=2023&license=viewerlgpl$ * Second Life Viewer Source Code * Copyright (C) 2023, 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 * $/LicenseInfo$ */ - + /*[EXTRA_CODE_HERE]*/ -// take a luminance sample of diffuseRect and emissiveRect +// take a luminance sample of diffuseRect and emissiveRect out vec4 frag_color; @@ -43,12 +43,12 @@ float lum(vec3 col) return dot(l, col); } -void main() +void main() { vec2 tc = vary_fragcoord*0.6+0.2; tc.y -= 0.1; // HACK - nudge exposure sample down a little bit to favor ground over sky vec3 c = texture(diffuseRect, tc).rgb; - + vec4 norm = texture(normalMap, tc); if (!GET_GBUFFER_FLAG(GBUFFER_FLAG_HAS_HDRI) && diff --git a/indra/newview/app_settings/shaders/class1/deferred/moonF.glsl b/indra/newview/app_settings/shaders/class1/deferred/moonF.glsl index 6ef556d7e8..585de99e1d 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/moonF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/moonF.glsl @@ -1,28 +1,28 @@ -/** +/** * @file class1\deferred\moonF.glsl * * $LicenseInfo:firstyear=2005&license=viewerlgpl$ * Second Life Viewer Source Code * Copyright (C) 2005, 2020 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 * $/LicenseInfo$ */ - + /*[EXTRA_CODE_HERE]*/ out vec4 frag_data[4]; @@ -34,7 +34,7 @@ uniform sampler2D diffuseMap; in vec2 vary_texcoord0; -void main() +void main() { // Restore Pre-EEP alpha fade moon near horizon float fade = 1.0; diff --git a/indra/newview/app_settings/shaders/class1/deferred/normgenF.glsl b/indra/newview/app_settings/shaders/class1/deferred/normgenF.glsl index 902746366d..607a8c6ef6 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/normgenF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/normgenF.glsl @@ -25,24 +25,53 @@ /*[EXTRA_CODE_HERE]*/ + + +// generate a normal map using an approximation of the old emboss bump map "brightness/darkness" technique +// srcMap is a source color image, output should be a normal + out vec4 frag_color; -uniform sampler2D alphaMap; +uniform sampler2D srcMap; in vec2 vary_texcoord0; uniform float stepX; uniform float stepY; uniform float norm_scale; +uniform int bump_code; + +#define BE_BRIGHTNESS 1 +#define BE_DARKNESS 2 + +// get luminance or inverse luminance depending on bump_code +float getBumpValue(vec2 texcoord) +{ + vec3 c = texture(srcMap, texcoord).rgb; + + vec3 WEIGHT = vec3(0.2995, 0.5875, 0.1145); + + float l = dot(c, WEIGHT); + + if (bump_code == BE_DARKNESS) + { + l = 1.0 - l; + } + + return l; +} + void main() { - float c = texture(alphaMap, vary_texcoord0).r; + float c = getBumpValue(vary_texcoord0); + + float scaler = 512.0; - vec3 right = vec3(norm_scale, 0, (texture(alphaMap, vary_texcoord0+vec2(stepX, 0)).r-c)*255); - vec3 left = vec3(-norm_scale, 0, (texture(alphaMap, vary_texcoord0-vec2(stepX, 0)).r-c)*255); - vec3 up = vec3(0, -norm_scale, (texture(alphaMap, vary_texcoord0-vec2(0, stepY)).r-c)*255); - vec3 down = vec3(0, norm_scale, (texture(alphaMap, vary_texcoord0+vec2(0, stepY)).r-c)*255); + vec3 right = vec3(norm_scale, 0, (getBumpValue(vary_texcoord0+vec2(stepX, 0))-c)*scaler); + vec3 left = vec3(-norm_scale, 0, (getBumpValue(vary_texcoord0-vec2(stepX, 0))-c)*scaler); + vec3 up = vec3(0, -norm_scale, (getBumpValue(vary_texcoord0-vec2(0, stepY))-c)*scaler); + vec3 down = vec3(0, norm_scale, (getBumpValue(vary_texcoord0+vec2(0, stepY))-c)*scaler); vec3 norm = cross(right, down) + cross(down, left) + cross(left,up) + cross(up, right); diff --git a/indra/newview/app_settings/shaders/class1/deferred/pbrShadowAlphaMaskF.glsl b/indra/newview/app_settings/shaders/class1/deferred/pbrShadowAlphaMaskF.glsl index 35b7602569..07a2218db2 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/pbrShadowAlphaMaskF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/pbrShadowAlphaMaskF.glsl @@ -1,24 +1,24 @@ -/** +/** * @file pbrShadowAlphaMaskF.glsl * * $LicenseInfo:firstyear=2023&license=viewerlgpl$ * Second Life Viewer Source Code * Copyright (C) 2023, 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 * $/LicenseInfo$ */ @@ -33,7 +33,7 @@ in vec4 vertex_color; in vec2 vary_texcoord0; uniform float minimum_alpha; -void main() +void main() { float alpha = texture(diffuseMap,vary_texcoord0.xy).a * vertex_color.a; diff --git a/indra/newview/app_settings/shaders/class1/deferred/pbralphaV.glsl b/indra/newview/app_settings/shaders/class1/deferred/pbralphaV.glsl index d0fc362db9..66adf50fa9 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/pbralphaV.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/pbralphaV.glsl @@ -51,8 +51,6 @@ uniform vec4[2] texture_emissive_transform; out vec3 vary_fragcoord; -uniform float near_clip; - in vec3 position; in vec4 diffuse_color; in vec3 normal; @@ -71,7 +69,7 @@ flat out float vary_sign; out vec3 vary_normal; vec2 texture_transform(vec2 vertex_texcoord, vec4[2] khr_gltf_transform, mat4 sl_animation_transform); -vec3 tangent_space_transform(vec4 vertex_tangent, vec3 vertex_normal, vec4[2] khr_gltf_transform, mat4 sl_animation_transform); +vec4 tangent_space_transform(vec4 vertex_tangent, vec3 vertex_normal, vec4[2] khr_gltf_transform, mat4 sl_animation_transform); void main() @@ -88,7 +86,7 @@ void main() #endif gl_Position = vert; - vary_fragcoord.xyz = vert.xyz + vec3(0,0,near_clip); + vary_fragcoord.xyz = vert.xyz; base_color_texcoord = texture_transform(texcoord0, texture_base_color_transform, texture_matrix0); normal_texcoord = texture_transform(texcoord0, texture_normal_transform, texture_matrix0); @@ -105,8 +103,9 @@ void main() n = normalize(n); - vary_tangent = normalize(tangent_space_transform(vec4(t, tangent.w), n, texture_normal_transform, texture_matrix0)); - vary_sign = tangent.w; + vec4 transformed_tangent = tangent_space_transform(vec4(t, tangent.w), n, texture_normal_transform, texture_matrix0); + vary_tangent = normalize(transformed_tangent.xyz); + vary_sign = transformed_tangent.w; vary_normal = n; vertex_color = diffuse_color; diff --git a/indra/newview/app_settings/shaders/class1/deferred/pbropaqueF.glsl b/indra/newview/app_settings/shaders/class1/deferred/pbropaqueF.glsl index 380d493636..b521081af9 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/pbropaqueF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/pbropaqueF.glsl @@ -1,24 +1,24 @@ -/** +/** * @file pbropaqueF.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 * $/LicenseInfo$ */ @@ -28,7 +28,7 @@ #ifndef IS_HUD -// deferred opaque implementation +// deferred opaque implementation uniform sampler2D diffuseMap; //always in sRGB space @@ -85,7 +85,7 @@ void main() float sign = vary_sign; vec3 vN = vary_normal; vec3 vT = vary_tangent.xyz; - + vec3 vB = sign * cross(vN, vT); vec3 tnorm = normalize( vNt.x * vT + vNt.y * vB + vNt.z * vN ); @@ -95,7 +95,7 @@ void main() // roughness 0.0 // metal 0.0 vec3 spec = texture(specularMap, metallic_roughness_texcoord.xy).rgb; - + spec.g *= roughnessFactor; spec.b *= metallicFactor; diff --git a/indra/newview/app_settings/shaders/class1/deferred/pbropaqueV.glsl b/indra/newview/app_settings/shaders/class1/deferred/pbropaqueV.glsl index fd020afd57..0ad9bf5e4b 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/pbropaqueV.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/pbropaqueV.glsl @@ -63,7 +63,7 @@ out vec3 vary_normal; out vec3 vary_position; vec2 texture_transform(vec2 vertex_texcoord, vec4[2] khr_gltf_transform, mat4 sl_animation_transform); -vec3 tangent_space_transform(vec4 vertex_tangent, vec3 vertex_normal, vec4[2] khr_gltf_transform, mat4 sl_animation_transform); +vec4 tangent_space_transform(vec4 vertex_tangent, vec3 vertex_normal, vec4[2] khr_gltf_transform, mat4 sl_animation_transform); void main() { @@ -97,8 +97,9 @@ void main() n = normalize(n); - vary_tangent = normalize(tangent_space_transform(vec4(t, tangent.w), n, texture_normal_transform, texture_matrix0)); - vary_sign = tangent.w; + vec4 transformed_tangent = tangent_space_transform(vec4(t, tangent.w), n, texture_normal_transform, texture_matrix0); + vary_tangent = normalize(transformed_tangent.xyz); + vary_sign = transformed_tangent.w; vary_normal = n; vertex_color = diffuse_color; diff --git a/indra/newview/app_settings/shaders/class1/deferred/pbrterrainF.glsl b/indra/newview/app_settings/shaders/class1/deferred/pbrterrainF.glsl index 0de2d348c3..6ca35419f2 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/pbrterrainF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/pbrterrainF.glsl @@ -1,24 +1,24 @@ -/** +/** * @file class1\deferred\terrainF.glsl * * $LicenseInfo:firstyear=2023&license=viewerlgpl$ * Second Life Viewer Source Code * Copyright (C) 2023, 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 * $/LicenseInfo$ */ @@ -31,7 +31,7 @@ #define TERRAIN_PBR_DETAIL_METALLIC_ROUGHNESS -3 #if TERRAIN_PLANAR_TEXTURE_SAMPLE_COUNT == 3 -#define TerrainCoord vec4[2] +#define TerrainCoord vec4[3] #elif TERRAIN_PLANAR_TEXTURE_SAMPLE_COUNT == 1 #define TerrainCoord vec2 #endif @@ -75,6 +75,9 @@ PBRMix terrain_sample_and_multiply_pbr( #endif #if (TERRAIN_PBR_DETAIL >= TERRAIN_PBR_DETAIL_NORMAL) , sampler2D tex_vNt +#if TERRAIN_PLANAR_TEXTURE_SAMPLE_COUNT == 3 + , float transform_sign +#endif #endif #if (TERRAIN_PBR_DETAIL >= TERRAIN_PBR_DETAIL_EMISSIVE) , sampler2D tex_emissive @@ -131,12 +134,16 @@ uniform vec3[4] emissiveColors; uniform vec4 minimum_alphas; // PBR alphaMode: MASK, See: mAlphaCutoff, setAlphaCutoff() #if TERRAIN_PLANAR_TEXTURE_SAMPLE_COUNT == 3 +in vec4[10] vary_coords; +#elif TERRAIN_PLANAR_TEXTURE_SAMPLE_COUNT == 1 in vec4[2] vary_coords; #endif in vec3 vary_position; in vec3 vary_normal; -in vec3 vary_tangent; -flat in float vary_sign; +#if (TERRAIN_PBR_DETAIL >= TERRAIN_PBR_DETAIL_NORMAL) +in vec3 vary_tangents[4]; +flat in float vary_signs[4]; +#endif in vec4 vary_texcoord0; in vec4 vary_texcoord1; @@ -144,17 +151,26 @@ void mirrorClip(vec3 position); float terrain_mix(TerrainMix tm, vec4 tms4); +#if (TERRAIN_PBR_DETAIL >= TERRAIN_PBR_DETAIL_NORMAL) +// from mikktspace.com +vec3 mikktspace(vec3 vNt, vec3 vT, float sign) +{ + vec3 vN = vary_normal; + + vec3 vB = sign * cross(vN, vT); + vec3 tnorm = normalize( vNt.x * vT + vNt.y * vB + vNt.z * vN ); + + tnorm *= gl_FrontFacing ? 1.0 : -1.0; + + return tnorm; +} +#endif + void main() { // Make sure we clip the terrain if we're in a mirror. mirrorClip(vary_position); -#if TERRAIN_PLANAR_TEXTURE_SAMPLE_COUNT == 3 - TerrainCoord terrain_texcoord = vary_coords; -#elif TERRAIN_PLANAR_TEXTURE_SAMPLE_COUNT == 1 - TerrainCoord terrain_texcoord = vary_texcoord0.xy; -#endif - float alpha1 = texture(alpha_ramp, vary_texcoord0.zw).a; float alpha2 = texture(alpha_ramp,vary_texcoord1.xy).a; float alphaFinal = texture(alpha_ramp, vary_texcoord1.zw).a; @@ -182,9 +198,19 @@ void main() PBRMix pbr_mix = init_pbr_mix(); PBRMix mix2; + TerrainCoord terrain_texcoord; switch (tm.type & MIX_X) { case MIX_X: +#if TERRAIN_PLANAR_TEXTURE_SAMPLE_COUNT == 3 + terrain_texcoord[0].xy = vary_coords[0].xy; + terrain_texcoord[0].zw = vary_coords[0].zw; + terrain_texcoord[1].xy = vary_coords[1].xy; + terrain_texcoord[1].zw = vary_coords[1].zw; + terrain_texcoord[2].xy = vary_coords[2].xy; +#elif TERRAIN_PLANAR_TEXTURE_SAMPLE_COUNT == 1 + terrain_texcoord = vary_coords[0].xy; +#endif mix2 = terrain_sample_and_multiply_pbr( terrain_texcoord , detail_0_base_color @@ -193,6 +219,9 @@ void main() #endif #if (TERRAIN_PBR_DETAIL >= TERRAIN_PBR_DETAIL_NORMAL) , detail_0_normal +#if TERRAIN_PLANAR_TEXTURE_SAMPLE_COUNT == 3 + , vary_signs[0] +#endif #endif #if (TERRAIN_PBR_DETAIL >= TERRAIN_PBR_DETAIL_EMISSIVE) , detail_0_emissive @@ -207,6 +236,9 @@ void main() , emissiveColors[0] #endif ); +#if (TERRAIN_PBR_DETAIL >= TERRAIN_PBR_DETAIL_NORMAL) + mix2.vNt = mikktspace(mix2.vNt, vary_tangents[0], vary_signs[0]); +#endif pbr_mix = mix_pbr(pbr_mix, mix2, tm.weight.x); break; default: @@ -215,6 +247,15 @@ void main() switch (tm.type & MIX_Y) { case MIX_Y: +#if TERRAIN_PLANAR_TEXTURE_SAMPLE_COUNT == 3 + terrain_texcoord[0].xy = vary_coords[2].zw; + terrain_texcoord[0].zw = vary_coords[3].xy; + terrain_texcoord[1].xy = vary_coords[3].zw; + terrain_texcoord[1].zw = vary_coords[4].xy; + terrain_texcoord[2].xy = vary_coords[4].zw; +#elif TERRAIN_PLANAR_TEXTURE_SAMPLE_COUNT == 1 + terrain_texcoord = vary_coords[0].zw; +#endif mix2 = terrain_sample_and_multiply_pbr( terrain_texcoord , detail_1_base_color @@ -223,6 +264,9 @@ void main() #endif #if (TERRAIN_PBR_DETAIL >= TERRAIN_PBR_DETAIL_NORMAL) , detail_1_normal +#if TERRAIN_PLANAR_TEXTURE_SAMPLE_COUNT == 3 + , vary_signs[1] +#endif #endif #if (TERRAIN_PBR_DETAIL >= TERRAIN_PBR_DETAIL_EMISSIVE) , detail_1_emissive @@ -237,6 +281,9 @@ void main() , emissiveColors[1] #endif ); +#if (TERRAIN_PBR_DETAIL >= TERRAIN_PBR_DETAIL_NORMAL) + mix2.vNt = mikktspace(mix2.vNt, vary_tangents[1], vary_signs[1]); +#endif pbr_mix = mix_pbr(pbr_mix, mix2, tm.weight.y); break; default: @@ -245,6 +292,15 @@ void main() switch (tm.type & MIX_Z) { case MIX_Z: +#if TERRAIN_PLANAR_TEXTURE_SAMPLE_COUNT == 3 + terrain_texcoord[0].xy = vary_coords[5].xy; + terrain_texcoord[0].zw = vary_coords[5].zw; + terrain_texcoord[1].xy = vary_coords[6].xy; + terrain_texcoord[1].zw = vary_coords[6].zw; + terrain_texcoord[2].xy = vary_coords[7].xy; +#elif TERRAIN_PLANAR_TEXTURE_SAMPLE_COUNT == 1 + terrain_texcoord = vary_coords[1].xy; +#endif mix2 = terrain_sample_and_multiply_pbr( terrain_texcoord , detail_2_base_color @@ -253,6 +309,9 @@ void main() #endif #if (TERRAIN_PBR_DETAIL >= TERRAIN_PBR_DETAIL_NORMAL) , detail_2_normal +#if TERRAIN_PLANAR_TEXTURE_SAMPLE_COUNT == 3 + , vary_signs[2] +#endif #endif #if (TERRAIN_PBR_DETAIL >= TERRAIN_PBR_DETAIL_EMISSIVE) , detail_2_emissive @@ -267,6 +326,9 @@ void main() , emissiveColors[2] #endif ); +#if (TERRAIN_PBR_DETAIL >= TERRAIN_PBR_DETAIL_NORMAL) + mix2.vNt = mikktspace(mix2.vNt, vary_tangents[2], vary_signs[2]); +#endif pbr_mix = mix_pbr(pbr_mix, mix2, tm.weight.z); break; default: @@ -275,6 +337,15 @@ void main() switch (tm.type & MIX_W) { case MIX_W: +#if TERRAIN_PLANAR_TEXTURE_SAMPLE_COUNT == 3 + terrain_texcoord[0].xy = vary_coords[7].zw; + terrain_texcoord[0].zw = vary_coords[8].xy; + terrain_texcoord[1].xy = vary_coords[8].zw; + terrain_texcoord[1].zw = vary_coords[9].xy; + terrain_texcoord[2].xy = vary_coords[9].zw; +#elif TERRAIN_PLANAR_TEXTURE_SAMPLE_COUNT == 1 + terrain_texcoord = vary_coords[1].zw; +#endif mix2 = terrain_sample_and_multiply_pbr( terrain_texcoord , detail_3_base_color @@ -283,6 +354,9 @@ void main() #endif #if (TERRAIN_PBR_DETAIL >= TERRAIN_PBR_DETAIL_NORMAL) , detail_3_normal +#if TERRAIN_PLANAR_TEXTURE_SAMPLE_COUNT == 3 + , vary_signs[3] +#endif #endif #if (TERRAIN_PBR_DETAIL >= TERRAIN_PBR_DETAIL_EMISSIVE) , detail_3_emissive @@ -297,6 +371,9 @@ void main() , emissiveColors[3] #endif ); +#if (TERRAIN_PBR_DETAIL >= TERRAIN_PBR_DETAIL_NORMAL) + mix2.vNt = mikktspace(mix2.vNt, vary_tangents[3], vary_signs[3]); +#endif pbr_mix = mix_pbr(pbr_mix, mix2, tm.weight.w); break; default: @@ -311,20 +388,12 @@ void main() float base_color_factor_alpha = terrain_mix(tm, vec4(baseColorFactors[0].z, baseColorFactors[1].z, baseColorFactors[2].z, baseColorFactors[3].z)); #if (TERRAIN_PBR_DETAIL >= TERRAIN_PBR_DETAIL_NORMAL) - // from mikktspace.com - vec3 vNt = pbr_mix.vNt; - vec3 vN = vary_normal; - vec3 vT = vary_tangent.xyz; - - vec3 vB = vary_sign * cross(vN, vT); - vec3 tnorm = normalize( vNt.x * vT + vNt.y * vB + vNt.z * vN ); - - tnorm *= gl_FrontFacing ? 1.0 : -1.0; + vec3 tnorm = normalize(pbr_mix.vNt); #else vec3 tnorm = vary_normal; - tnorm *= gl_FrontFacing ? 1.0 : -1.0; #endif - + tnorm *= gl_FrontFacing ? 1.0 : -1.0; + #if (TERRAIN_PBR_DETAIL >= TERRAIN_PBR_DETAIL_EMISSIVE) #define mix_emissive pbr_mix.emissive diff --git a/indra/newview/app_settings/shaders/class1/deferred/pbrterrainUtilF.glsl b/indra/newview/app_settings/shaders/class1/deferred/pbrterrainUtilF.glsl index 935c3f9301..5098de717e 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/pbrterrainUtilF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/pbrterrainUtilF.glsl @@ -1,24 +1,24 @@ -/** +/** * @file class1\deferred\pbrterrainUtilF.glsl * * $LicenseInfo:firstyear=2023&license=viewerlgpl$ * Second Life Viewer Source Code * Copyright (C) 2023, 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 * $/LicenseInfo$ */ @@ -233,17 +233,12 @@ float terrain_mix(TerrainMix tm, vec4 tms4) // Triplanar mapping // Pre-transformed texture coordinates for each axial uv slice (Packing: xy, yz, (-x)z, unused) -#define TerrainCoord vec4[2] +#define TerrainCoord vec4[3] -vec2 _t_uv(vec2 uv_unflipped, float sign_or_zero) +// If sign_or_zero is positive, use uv_unflippped, otherwise use uv_flipped +vec2 _t_uv(vec2 uv_unflipped, vec2 uv_flipped, float sign_or_zero) { - // Handle case where sign is 0 - float sign = (2.0*sign_or_zero) + 1.0; - sign /= abs(sign); - // If the vertex normal is negative, flip the texture back - // right-side up. - vec2 uv = uv_unflipped * vec2(sign, 1); - return uv; + return mix(uv_flipped, uv_unflipped, max(0.0, sign_or_zero)); } vec3 _t_normal_post_1(vec3 vNt0, float sign_or_zero) @@ -261,11 +256,12 @@ vec3 _t_normal_post_1(vec3 vNt0, float sign_or_zero) } // Triplanar-specific normal texture fixes -vec3 _t_normal_post_x(vec3 vNt0) +vec3 _t_normal_post_x(vec3 vNt0, float tangent_sign) { vec3 vNt_x = _t_normal_post_1(vNt0, sign(vary_vertex_normal.x)); // *HACK: Transform normals according to orientation of the UVs vNt_x.xy = vec2(-vNt_x.y, vNt_x.x); + vNt_x.xy *= tangent_sign; return vNt_x; } vec3 _t_normal_post_y(vec3 vNt0) @@ -290,6 +286,7 @@ PBRMix terrain_sample_pbr( #endif #if (TERRAIN_PBR_DETAIL >= TERRAIN_PBR_DETAIL_NORMAL) , sampler2D tex_vNt + , float tangent_sign #endif #if (TERRAIN_PBR_DETAIL >= TERRAIN_PBR_DETAIL_EMISSIVE) , sampler2D tex_emissive @@ -298,9 +295,9 @@ PBRMix terrain_sample_pbr( { PBRMix mix = init_pbr_mix(); -#define get_uv_x() _t_uv(terrain_coord[0].zw, sign(vary_vertex_normal.x)) -#define get_uv_y() _t_uv(terrain_coord[1].xy, sign(vary_vertex_normal.y)) -#define get_uv_z() _t_uv(terrain_coord[0].xy, sign(vary_vertex_normal.z)) +#define get_uv_x() _t_uv(terrain_coord[0].zw, terrain_coord[1].zw, sign(vary_vertex_normal.x)) +#define get_uv_y() _t_uv(terrain_coord[1].xy, terrain_coord[2].xy, sign(vary_vertex_normal.y)) +#define get_uv_z() _t_uv(terrain_coord[0].xy, vec2(0), sign(vary_vertex_normal.z)) switch (tw.type & SAMPLE_X) { case SAMPLE_X: @@ -319,7 +316,7 @@ PBRMix terrain_sample_pbr( ); #if (TERRAIN_PBR_DETAIL >= TERRAIN_PBR_DETAIL_NORMAL) // Triplanar-specific normal texture fix - mix_x.vNt = _t_normal_post_x(mix_x.vNt); + mix_x.vNt = _t_normal_post_x(mix_x.vNt, tangent_sign); #endif mix = mix_pbr(mix, mix_x, tw.weight.x); break; @@ -379,7 +376,7 @@ PBRMix terrain_sample_pbr( default: break; } - + return mix; } @@ -425,6 +422,9 @@ PBRMix terrain_sample_and_multiply_pbr( #endif #if (TERRAIN_PBR_DETAIL >= TERRAIN_PBR_DETAIL_NORMAL) , sampler2D tex_vNt +#if TERRAIN_PLANAR_TEXTURE_SAMPLE_COUNT == 3 + , float tangent_sign +#endif #endif #if (TERRAIN_PBR_DETAIL >= TERRAIN_PBR_DETAIL_EMISSIVE) , sampler2D tex_emissive @@ -451,6 +451,9 @@ PBRMix terrain_sample_and_multiply_pbr( #endif #if (TERRAIN_PBR_DETAIL >= TERRAIN_PBR_DETAIL_NORMAL) , tex_vNt +#if TERRAIN_PLANAR_TEXTURE_SAMPLE_COUNT == 3 + , tangent_sign +#endif #endif #if (TERRAIN_PBR_DETAIL >= TERRAIN_PBR_DETAIL_EMISSIVE) , tex_emissive diff --git a/indra/newview/app_settings/shaders/class1/deferred/pbrterrainV.glsl b/indra/newview/app_settings/shaders/class1/deferred/pbrterrainV.glsl index ed52297314..c90b2b5926 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/pbrterrainV.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/pbrterrainV.glsl @@ -23,6 +23,11 @@ * $/LicenseInfo$ */ +#define TERRAIN_PBR_DETAIL_EMISSIVE 0 +#define TERRAIN_PBR_DETAIL_OCCLUSION -1 +#define TERRAIN_PBR_DETAIL_NORMAL -2 +#define TERRAIN_PBR_DETAIL_METALLIC_ROUGHNESS -3 + uniform mat3 normal_matrix; uniform mat4 texture_matrix0; uniform mat4 modelview_matrix; @@ -34,24 +39,28 @@ in vec4 tangent; in vec4 diffuse_color; in vec2 texcoord1; -#if TERRAIN_PLANAR_TEXTURE_SAMPLE_COUNT == 3 -out vec4[2] vary_coords; -#endif out vec3 vary_vertex_normal; // Used by pbrterrainUtilF.glsl out vec3 vary_normal; -out vec3 vary_tangent; -flat out float vary_sign; +#if (TERRAIN_PBR_DETAIL >= TERRAIN_PBR_DETAIL_NORMAL) +out vec3 vary_tangents[4]; +flat out float vary_signs[4]; +#endif out vec4 vary_texcoord0; out vec4 vary_texcoord1; +#if TERRAIN_PLANAR_TEXTURE_SAMPLE_COUNT == 3 +out vec4[10] vary_coords; +#elif TERRAIN_PLANAR_TEXTURE_SAMPLE_COUNT == 1 +out vec4[2] vary_coords; +#endif out vec3 vary_position; -// *HACK: tangent_space_transform should use texture_normal_transform, or maybe -// we shouldn't use tangent_space_transform at all. See the call to -// tangent_space_transform below. -uniform vec4[2] texture_base_color_transform; +// *HACK: Each material uses only one texture transform, but the KHR texture +// transform spec allows handling texture transforms separately for each +// individual texture info. +uniform vec4[5] terrain_texture_transforms; vec2 terrain_texture_transform(vec2 vertex_texcoord, vec4[2] khr_gltf_transform); -vec3 terrain_tangent_space_transform(vec4 vertex_tangent, vec3 vertex_normal, vec4[2] khr_gltf_transform); +vec4 terrain_tangent_space_transform(vec4 vertex_tangent, vec3 vertex_normal, vec4[2] khr_gltf_transform); void main() { @@ -63,31 +72,108 @@ void main() vary_vertex_normal = normal; vec3 t = normal_matrix * tangent.xyz; - vary_tangent = normalize(t); - // *TODO: Decide if we want this. It may be better to just calculate the - // tangents on-the-fly in the fragment shader, due to the subtleties of the - // effect of triplanar mapping on UVs. - // *HACK: Should be using texture_normal_transform here. The KHR texture - // transform spec requires handling texture transforms separately for each - // individual texture. - vary_tangent = normalize(terrain_tangent_space_transform(vec4(t, tangent.w), n, texture_base_color_transform)); - vary_sign = tangent.w; +#if (TERRAIN_PBR_DETAIL >= TERRAIN_PBR_DETAIL_NORMAL) + { + vec4[2] ttt; + vec4 transformed_tangent; + // material 1 + ttt[0].xyz = terrain_texture_transforms[0].xyz; + ttt[1].x = terrain_texture_transforms[0].w; + ttt[1].y = terrain_texture_transforms[1].x; + transformed_tangent = terrain_tangent_space_transform(vec4(t, tangent.w), n, ttt); + vary_tangents[0] = normalize(transformed_tangent.xyz); + vary_signs[0] = transformed_tangent.w; + // material 2 + ttt[0].xyz = terrain_texture_transforms[1].yzw; + ttt[1].xy = terrain_texture_transforms[2].xy; + transformed_tangent = terrain_tangent_space_transform(vec4(t, tangent.w), n, ttt); + vary_tangents[1] = normalize(transformed_tangent.xyz); + vary_signs[1] = transformed_tangent.w; + // material 3 + ttt[0].xy = terrain_texture_transforms[2].zw; + ttt[0].z = terrain_texture_transforms[3].x; + ttt[1].xy = terrain_texture_transforms[3].yz; + transformed_tangent = terrain_tangent_space_transform(vec4(t, tangent.w), n, ttt); + vary_tangents[2] = normalize(transformed_tangent.xyz); + vary_signs[2] = transformed_tangent.w; + // material 4 + ttt[0].x = terrain_texture_transforms[3].w; + ttt[0].yz = terrain_texture_transforms[4].xy; + ttt[1].xy = terrain_texture_transforms[4].zw; + transformed_tangent = terrain_tangent_space_transform(vec4(t, tangent.w), n, ttt); + vary_tangents[3] = normalize(transformed_tangent.xyz); + vary_signs[3] = transformed_tangent.w; + } +#endif vary_normal = normalize(n); // Transform and pass tex coords - // *HACK: texture_base_color_transform is used for all of these here, but - // the KHR texture transform spec requires handling texture transforms - // separately for each individual texture. + { + vec4[2] ttt; #if TERRAIN_PLANAR_TEXTURE_SAMPLE_COUNT == 3 - // xy - vary_coords[0].xy = terrain_texture_transform(position.xy, texture_base_color_transform); - // yz - vary_coords[0].zw = terrain_texture_transform(position.yz, texture_base_color_transform); - // (-x)z - vary_coords[1].xy = terrain_texture_transform(position.xz * vec2(-1, 1), texture_base_color_transform); +// Don't care about upside-down (transform_xy_flipped()) +#define transform_xy() terrain_texture_transform(position.xy, ttt) +#define transform_yz() terrain_texture_transform(position.yz, ttt) +#define transform_negx_z() terrain_texture_transform(position.xz * vec2(-1, 1), ttt) +#define transform_yz_flipped() terrain_texture_transform(position.yz * vec2(-1, 1), ttt) +#define transform_negx_z_flipped() terrain_texture_transform(position.xz, ttt) + // material 1 + ttt[0].xyz = terrain_texture_transforms[0].xyz; + ttt[1].x = terrain_texture_transforms[0].w; + ttt[1].y = terrain_texture_transforms[1].x; + vary_coords[0].xy = transform_xy(); + vary_coords[0].zw = transform_yz(); + vary_coords[1].xy = transform_negx_z(); + vary_coords[1].zw = transform_yz_flipped(); + vary_coords[2].xy = transform_negx_z_flipped(); + // material 2 + ttt[0].xyz = terrain_texture_transforms[1].yzw; + ttt[1].xy = terrain_texture_transforms[2].xy; + vary_coords[2].zw = transform_xy(); + vary_coords[3].xy = transform_yz(); + vary_coords[3].zw = transform_negx_z(); + vary_coords[4].xy = transform_yz_flipped(); + vary_coords[4].zw = transform_negx_z_flipped(); + // material 3 + ttt[0].xy = terrain_texture_transforms[2].zw; + ttt[0].z = terrain_texture_transforms[3].x; + ttt[1].xy = terrain_texture_transforms[3].yz; + vary_coords[5].xy = transform_xy(); + vary_coords[5].zw = transform_yz(); + vary_coords[6].xy = transform_negx_z(); + vary_coords[6].zw = transform_yz_flipped(); + vary_coords[7].xy = transform_negx_z_flipped(); + // material 4 + ttt[0].x = terrain_texture_transforms[3].w; + ttt[0].yz = terrain_texture_transforms[4].xy; + ttt[1].xy = terrain_texture_transforms[4].zw; + vary_coords[7].zw = transform_xy(); + vary_coords[8].xy = transform_yz(); + vary_coords[8].zw = transform_negx_z(); + vary_coords[9].xy = transform_yz_flipped(); + vary_coords[9].zw = transform_negx_z_flipped(); #elif TERRAIN_PLANAR_TEXTURE_SAMPLE_COUNT == 1 - vary_texcoord0.xy = terrain_texture_transform(position.xy, texture_base_color_transform); + // material 1 + ttt[0].xyz = terrain_texture_transforms[0].xyz; + ttt[1].x = terrain_texture_transforms[0].w; + ttt[1].y = terrain_texture_transforms[1].x; + vary_coords[0].xy = terrain_texture_transform(position.xy, ttt); + // material 2 + ttt[0].xyz = terrain_texture_transforms[1].yzw; + ttt[1].xy = terrain_texture_transforms[2].xy; + vary_coords[0].zw = terrain_texture_transform(position.xy, ttt); + // material 3 + ttt[0].xy = terrain_texture_transforms[2].zw; + ttt[0].z = terrain_texture_transforms[3].x; + ttt[1].xy = terrain_texture_transforms[3].yz; + vary_coords[1].xy = terrain_texture_transform(position.xy, ttt); + // material 4 + ttt[0].x = terrain_texture_transforms[3].w; + ttt[0].yz = terrain_texture_transforms[4].xy; + ttt[1].xy = terrain_texture_transforms[4].zw; + vary_coords[1].zw = terrain_texture_transform(position.xy, ttt); #endif + } vec4 tc = vec4(texcoord1,0,1); vary_texcoord0.zw = tc.xy; diff --git a/indra/newview/app_settings/shaders/class1/deferred/screenSpaceReflUtil.glsl b/indra/newview/app_settings/shaders/class1/deferred/screenSpaceReflUtil.glsl index a33c4cc58b..e77e972873 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/screenSpaceReflUtil.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/screenSpaceReflUtil.glsl @@ -25,13 +25,13 @@ // debug stub -float random (vec2 uv) +float random (vec2 uv) { - return 0.; + return 0.f; } float tapScreenSpaceReflection(int totalSamples, vec2 tc, vec3 viewPos, vec3 n, inout vec4 collectedColor, sampler2D source, float glossiness) { collectedColor = vec4(0); - return 0.; + return 0.f; } diff --git a/indra/newview/app_settings/shaders/class1/deferred/shadowAlphaMaskF.glsl b/indra/newview/app_settings/shaders/class1/deferred/shadowAlphaMaskF.glsl index 9db8f461dd..f208ac746b 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/shadowAlphaMaskF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/shadowAlphaMaskF.glsl @@ -27,8 +27,6 @@ out vec4 frag_color; -uniform sampler2D diffuseMap; - in vec4 post_pos; in float target_pos_x; in vec4 vertex_color; diff --git a/indra/newview/app_settings/shaders/class1/deferred/shadowUtil.glsl b/indra/newview/app_settings/shaders/class1/deferred/shadowUtil.glsl index 16cc7cfbbc..6f7bd2bf3c 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/shadowUtil.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/shadowUtil.glsl @@ -24,7 +24,6 @@ */ uniform sampler2D normalMap; -uniform sampler2D depthMap; #if defined(SUN_SHADOW) uniform sampler2DShadow shadowMap0; diff --git a/indra/newview/app_settings/shaders/class1/deferred/skyF.glsl b/indra/newview/app_settings/shaders/class1/deferred/skyF.glsl index 785c748234..41e42b5173 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/skyF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/skyF.glsl @@ -1,24 +1,24 @@ -/** +/** * @file class1/deferred/skyF.glsl * * $LicenseInfo:firstyear=2005&license=viewerlgpl$ * Second Life Viewer Source Code * Copyright (C) 2005, 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 * $/LicenseInfo$ */ @@ -99,9 +99,9 @@ void main() else #endif { - // Potential Fill-rate optimization. Add cloud calculation - // back in and output alpha of 0 (so that alpha culling kills - // the fragment) if the sky wouldn't show up because the clouds + // Potential Fill-rate optimization. Add cloud calculation + // back in and output alpha of 0 (so that alpha culling kills + // the fragment) if the sky wouldn't show up because the clouds // are fully opaque. color = vary_HazeColor; diff --git a/indra/newview/app_settings/shaders/class1/deferred/skyV.glsl b/indra/newview/app_settings/shaders/class1/deferred/skyV.glsl index 24d2db2183..ea00d240df 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/skyV.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/skyV.glsl @@ -102,7 +102,7 @@ void main() // Initialize temp variables vec3 sunlight = (sun_up_factor == 1) ? sunlight_color : moonlight_color * 0.7; //magic 0.7 to match legacy color - + // Sunlight attenuation effect (hue and brightness) due to atmosphere // this is used later for sunlight modulation at various altitudes vec3 light_atten = (blue_density + vec3(haze_density * 0.25)) * (density_multiplier * max_y); @@ -152,7 +152,7 @@ void main() sunlight *= max(0.0, (1. - cloud_shadow)); // Haze color below cloud - vec3 add_below_cloud = (blue_horizon * blue_weight * (sunlight + ambient) + vec3 add_below_cloud = (blue_horizon * blue_weight * (sunlight + ambient) + (haze_horizon * haze_weight) * (sunlight * haze_glow + ambient)); // Attenuate cloud color by atmosphere diff --git a/indra/newview/app_settings/shaders/class1/deferred/terrainF.glsl b/indra/newview/app_settings/shaders/class1/deferred/terrainF.glsl index 5f598f84a7..1fd31e0546 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/terrainF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/terrainF.glsl @@ -1,28 +1,28 @@ -/** +/** * @file class1\deferred\terrainF.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 * $/LicenseInfo$ */ - + /*[EXTRA_CODE_HERE]*/ out vec4 frag_data[4]; @@ -44,7 +44,7 @@ void main() { mirrorClip(pos); /// Note: This should duplicate the blending functionality currently used for the terrain rendering. - + vec4 color0 = texture(detail_0, vary_texcoord0.xy); vec4 color1 = texture(detail_1, vary_texcoord0.xy); vec4 color2 = texture(detail_2, vary_texcoord0.xy); @@ -54,10 +54,10 @@ void main() float alpha2 = texture(alpha_ramp,vary_texcoord1.xy).a; float alphaFinal = texture(alpha_ramp, vary_texcoord1.zw).a; vec4 outColor = mix( mix(color3, color2, alpha2), mix(color1, color0, alpha1), alphaFinal ); - - outColor.a = 0.0; // yes, downstream atmospherics - - frag_data[0] = outColor; + + outColor.a = 0.0; // yes, downstream atmospherics + + frag_data[0] = max(outColor, vec4(0)); frag_data[1] = vec4(0.0,0.0,0.0,-1.0); vec3 nvn = normalize(vary_normal); frag_data[2] = vec4(nvn.xyz, GBUFFER_FLAG_HAS_ATMOS); diff --git a/indra/newview/app_settings/shaders/class1/deferred/terrainV.glsl b/indra/newview/app_settings/shaders/class1/deferred/terrainV.glsl index b4ab7cd169..7fc0e98513 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/terrainV.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/terrainV.glsl @@ -1,24 +1,24 @@ -/** +/** * @file class1\environment\terrainV.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 * $/LicenseInfo$ */ @@ -44,15 +44,15 @@ uniform vec4 object_plane_t; vec2 texgen_object(vec4 vpos, mat4 mat, vec4 tp0, vec4 tp1) { vec4 tcoord; - + tcoord.x = dot(vpos, tp0); tcoord.y = dot(vpos, tp1); tcoord.z = 0; tcoord.w = 1; - tcoord = mat * tcoord; - - return tcoord.xy; + tcoord = mat * tcoord; + + return tcoord.xy; } void main() @@ -65,12 +65,12 @@ void main() pos = (modelview_matrix*pre_pos).xyz; vary_normal = normalize(normal_matrix * normal); - + // Transform and pass tex coords vary_texcoord0.xy = texgen_object(vec4(position, 1.0), texture_matrix0, object_plane_s, object_plane_t); - + vec4 t = vec4(texcoord1,0,1); - + vary_texcoord0.zw = t.xy; vary_texcoord1.xy = t.xy-vec2(2.0, 0.0); vary_texcoord1.zw = t.xy-vec2(1.0, 0.0); diff --git a/indra/newview/app_settings/shaders/class1/deferred/textureUtilV.glsl b/indra/newview/app_settings/shaders/class1/deferred/textureUtilV.glsl index 7c02cb9d4a..c75a0e0d5d 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/textureUtilV.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/textureUtilV.glsl @@ -1,24 +1,24 @@ -/** +/** * @file class1/deferred/textureUtilV.glsl * * $LicenseInfo:firstyear=2023&license=viewerlgpl$ * Second Life Viewer Source Code * Copyright (C) 2023, 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 * $/LicenseInfo$ */ @@ -48,6 +48,7 @@ vec2 khr_texture_transform(vec2 texcoord, vec2 scale, float rotation, vec2 offse return (transform * vec3(texcoord, 1)).xy; } +// A texture transform function for PBR materials applied to shape prims/Collada model prims // vertex_texcoord - The UV texture coordinates sampled from the vertex at // runtime. Per SL convention, this is in a right-handed UV coordinate // system. Collada models also have right-handed UVs. @@ -93,36 +94,48 @@ vec2 terrain_texture_transform(vec2 vertex_texcoord, vec4[2] khr_gltf_transform) // Take the rotation only from both transforms and apply to the tangent. This // accounts for the change of the topology of the normal texture when a texture // rotation is applied to it. +// In practice, this applies the inverse of the texture transform to the tangent. +// It is effectively an inverse of the rotation // *HACK: Assume the imported GLTF model did not have both normal texture // transforms and tangent vertices. The use of this function is inconsistent // with the GLTF sample viewer when that is the case. See getNormalInfo in // https://raw.githubusercontent.com/KhronosGroup/glTF-Sample-Viewer/47a191931461a6f2e14de48d6da0f0eb6ec2d147/source/Renderer/shaders/material_info.glsl // We may want to account for this case during GLTF model import. // -Cosmic,2023-06-06 -vec3 tangent_space_transform(vec4 vertex_tangent, vec3 vertex_normal, vec4[2] khr_gltf_transform, mat4 sl_animation_transform) +vec4 tangent_space_transform(vec4 vertex_tangent, vec3 vertex_normal, vec4[2] khr_gltf_transform, mat4 sl_animation_transform) { - vec2 weights = vec2(0, 1); - - // Apply texture animation first to avoid shearing and other artifacts (rotation only) - mat2 sl_rot_scale; - sl_rot_scale[0][0] = sl_animation_transform[0][0]; - sl_rot_scale[0][1] = sl_animation_transform[0][1]; - sl_rot_scale[1][0] = sl_animation_transform[1][0]; - sl_rot_scale[1][1] = sl_animation_transform[1][1]; - weights = sl_rot_scale * weights; - // Remove scale - weights = normalize(weights); + // Immediately convert to left-handed coordinate system, but it has no + // effect here because y is 0 ((1,0) -> (1,0)) + vec2 weights = vec2(1, 0); - // Convert to left-handed coordinate system - weights.y = -weights.y; - - // Apply KHR_texture_transform (rotation only) - float khr_rotation = khr_gltf_transform[0].z; + // Apply inverse KHR_texture_transform (rotation and scale sign only) + float khr_rotation = -khr_gltf_transform[0].z; mat2 khr_rotation_mat = mat2( cos(khr_rotation),-sin(khr_rotation), sin(khr_rotation), cos(khr_rotation) ); weights = khr_rotation_mat * weights; + vec2 khr_scale_sign = sign(khr_gltf_transform[0].xy); + weights *= khr_scale_sign.xy; + + // *NOTE: Delay conversion to right-handed coordinate system here, to + // remove the need for computing the inverse of the SL texture animation + // matrix. + + // Apply texture animation last to avoid shearing and other artifacts (rotation only) + mat2 inv_sl_rot_scale; + inv_sl_rot_scale[0][0] = sl_animation_transform[0][0]; + inv_sl_rot_scale[0][1] = sl_animation_transform[0][1]; + inv_sl_rot_scale[1][0] = sl_animation_transform[1][0]; + inv_sl_rot_scale[1][1] = sl_animation_transform[1][1]; + weights = inv_sl_rot_scale * weights; + // *NOTE: Scale to be removed later + + // Set weights to default if 0 for some reason + weights.x += 1.0 - abs(sign(sign(weights.x) + (0.5 * sign(weights.y)))); + + // Remove scale from SL texture animation transform + weights = normalize(weights); // Convert back to right-handed coordinate system weights.y = -weights.y; @@ -131,27 +144,41 @@ vec3 tangent_space_transform(vec4 vertex_tangent, vec3 vertex_normal, vec4[2] kh // from the normal and tangent, as seen in the fragment shader vec3 vertex_binormal = vertex_tangent.w * cross(vertex_normal, vertex_tangent.xyz); - return (weights.x * vertex_binormal.xyz) + (weights.y * vertex_tangent.xyz); + // An additional sign flip prevents the binormal from being flipped as a + // result of a propagation of the tangent sign during the cross product. + float sign_flip = khr_scale_sign.x * khr_scale_sign.y; + return vec4((weights.x * vertex_tangent.xyz) + (weights.y * vertex_binormal.xyz), vertex_tangent.w * sign_flip); } -// Similar to tangent_space_transform but no no texture animation support. -vec3 terrain_tangent_space_transform(vec4 vertex_tangent, vec3 vertex_normal, vec4[2] khr_gltf_transform) +// Similar to tangent_space_transform but no texture animation support. +vec4 terrain_tangent_space_transform(vec4 vertex_tangent, vec3 vertex_normal, vec4[2] khr_gltf_transform) { - // Immediately convert to left-handed coordinate system ((0,1) -> (0, -1)) - vec2 weights = vec2(0, -1); + // Immediately convert to left-handed coordinate system, but it has no + // effect here because y is 0 ((1,0) -> (1,0)) + vec2 weights = vec2(1, 0); - // Apply KHR_texture_transform (rotation only) - float khr_rotation = khr_gltf_transform[0].z; + // Apply inverse KHR_texture_transform (rotation and scale sign only) + float khr_rotation = -khr_gltf_transform[0].z; mat2 khr_rotation_mat = mat2( cos(khr_rotation),-sin(khr_rotation), sin(khr_rotation), cos(khr_rotation) ); weights = khr_rotation_mat * weights; + vec2 khr_scale_sign = sign(khr_gltf_transform[0].xy); + weights *= khr_scale_sign.xy; + + // Set weights to default if 0 for some reason + weights.x += 1.0 - abs(sign(sign(weights.x) + (0.5 * sign(weights.y)))); // Convert back to right-handed coordinate system weights.y = -weights.y; + // Similar to the MikkTSpace-compatible method of extracting the binormal + // from the normal and tangent, as seen in the fragment shader vec3 vertex_binormal = vertex_tangent.w * cross(vertex_normal, vertex_tangent.xyz); - return (weights.x * vertex_binormal.xyz) + (weights.y * vertex_tangent.xyz); + // An additional sign flip prevents the binormal from being flipped as a + // result of a propagation of the tangent sign during the cross product. + float sign_flip = khr_scale_sign.x * khr_scale_sign.y; + return vec4((weights.x * vertex_tangent.xyz) + (weights.y * vertex_binormal.xyz), vertex_tangent.w * sign_flip); } diff --git a/indra/newview/app_settings/shaders/class1/environment/srgbF.glsl b/indra/newview/app_settings/shaders/class1/environment/srgbF.glsl index 7e1d906878..d7f6d20547 100644 --- a/indra/newview/app_settings/shaders/class1/environment/srgbF.glsl +++ b/indra/newview/app_settings/shaders/class1/environment/srgbF.glsl @@ -23,8 +23,6 @@ * $/LicenseInfo$ */ - uniform sampler2D exposureMap; - vec3 srgb_to_linear(vec3 cs) { vec3 low_range = cs / vec3(12.92); diff --git a/indra/newview/app_settings/shaders/class1/gltf/pbrmetallicroughnessF.glsl b/indra/newview/app_settings/shaders/class1/gltf/pbrmetallicroughnessF.glsl new file mode 100644 index 0000000000..ac4ff50552 --- /dev/null +++ b/indra/newview/app_settings/shaders/class1/gltf/pbrmetallicroughnessF.glsl @@ -0,0 +1,325 @@ +/** + * @file pbrmetallicroughnessF.glsl + * + * $LicenseInfo:firstyear=2024&license=viewerlgpl$ + * 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 + * $/LicenseInfo$ + */ + +/*[EXTRA_CODE_HERE]*/ + + +// GLTF pbrMetallicRoughness implementation + +uniform int gltf_material_id; + +vec3 emissiveColor = vec3(0,0,0); +float metallicFactor = 1.0; +float roughnessFactor = 1.0; +float minimum_alpha = -1.0; + +layout (std140) uniform GLTFMaterials +{ + // see pbrmetallicroughnessV.glsl for packing + vec4 gltf_material_data[MAX_UBO_VEC4S]; +}; + +void unpackMaterial() +{ + if (gltf_material_id > -1) + { + int idx = gltf_material_id*12; + emissiveColor = gltf_material_data[idx+10].rgb; + roughnessFactor = gltf_material_data[idx+11].g; + metallicFactor = gltf_material_data[idx+11].b; + minimum_alpha -= gltf_material_data[idx+11].a; + } +} + +// ================================== +// needed by all variants +// ================================== +uniform sampler2D diffuseMap; //always in sRGB space +uniform sampler2D emissiveMap; +in vec3 vary_position; +in vec4 vertex_color; +in vec2 base_color_uv; +in vec2 emissive_uv; + +void mirrorClip(vec3 pos); +vec3 linear_to_srgb(vec3 c); +vec3 srgb_to_linear(vec3 c); +// ================================== + + +// ================================== +// needed by all lit variants +// ================================== +#ifndef UNLIT +uniform sampler2D normalMap; +uniform sampler2D metallicRoughnessMap; +uniform sampler2D occlusionMap; +in vec3 vary_normal; +in vec3 vary_tangent; +flat in float vary_sign; +in vec2 normal_uv; +in vec2 metallic_roughness_uv; +in vec2 occlusion_uv; +#endif +// ================================== + + +// ================================== +// needed by all alpha variants +// ================================== +#ifdef ALPHA_BLEND +in vec3 vary_fragcoord; +uniform vec4 clipPlane; +uniform float clipSign; +void waterClip(vec3 pos); +void calcAtmosphericVarsLinear(vec3 inPositionEye, vec3 norm, vec3 light_dir, out vec3 sunlit, out vec3 amblit, out vec3 atten, out vec3 additive); +vec4 applySkyAndWaterFog(vec3 pos, vec3 additive, vec3 atten, vec4 color); +#endif +// ================================== + + +// ================================== +// needed by lit alpha +// ================================== +#if defined(ALPHA_BLEND) && !defined(UNLIT) + +#ifdef HAS_SUN_SHADOW +uniform sampler2D lightMap; +uniform vec2 screen_res; +#endif + +// Lights +// See: LLRender::syncLightState() +uniform vec4 light_position[8]; +uniform vec3 light_direction[8]; // spot direction +uniform vec4 light_attenuation[8]; // linear, quadratic, is omni, unused, See: LLPipeline::setupHWLights() and syncLightState() +uniform vec3 light_diffuse[8]; +uniform vec2 light_deferred_attenuation[8]; // light size and falloff + +uniform int sun_up_factor; +uniform vec3 sun_dir; +uniform vec3 moon_dir; + +void calcHalfVectors(vec3 lv, vec3 n, vec3 v, out vec3 h, out vec3 l, out float nh, out float nl, out float nv, out float vh, out float lightDist); +float calcLegacyDistanceAttenuation(float distance, float falloff); +float sampleDirectionalShadow(vec3 pos, vec3 norm, vec2 pos_screen); +void sampleReflectionProbes(inout vec3 ambenv, inout vec3 glossenv, + vec2 tc, vec3 pos, vec3 norm, float glossiness, bool transparent, vec3 amblit_linear); + +void calcDiffuseSpecular(vec3 baseColor, float metallic, inout vec3 diffuseColor, inout vec3 specularColor); + +vec3 pbrBaseLight(vec3 diffuseColor, + vec3 specularColor, + float metallic, + vec3 pos, + vec3 norm, + float perceptualRoughness, + vec3 light_dir, + vec3 sunlit, + float scol, + vec3 radiance, + vec3 irradiance, + vec3 colorEmissive, + float ao, + vec3 additive, + vec3 atten); + +vec3 pbrCalcPointLightOrSpotLight(vec3 diffuseColor, vec3 specularColor, + float perceptualRoughness, + float metallic, + vec3 n, // normal + vec3 p, // pixel position + vec3 v, // view vector (negative normalized pixel position) + vec3 lp, // light position + vec3 ld, // light direction (for spotlights) + vec3 lightColor, + float lightSize, float falloff, float is_pointlight, float ambiance); + +#endif +// ================================== + + +// ================================== +// output definition +// ================================== +#if defined(ALPHA_BLEND) || defined(UNLIT) +out vec4 frag_color; +#else +out vec4 frag_data[4]; +#endif +// ================================== + + +void main() +{ + unpackMaterial(); +// ================================== +// all variants +// mirror clip +// base color +// masking +// emissive +// ================================== + vec3 pos = vary_position; + mirrorClip(pos); + +#ifdef ALPHA_BLEND + //waterClip(pos); +#endif + + vec4 basecolor = texture(diffuseMap, base_color_uv.xy).rgba; + basecolor.rgb = srgb_to_linear(basecolor.rgb); + basecolor *= vertex_color; + + if (basecolor.a < minimum_alpha) + { + discard; + } + + vec3 emissive = emissiveColor; + emissive *= srgb_to_linear(texture(emissiveMap, emissive_uv.xy).rgb); +// ================================== + +// ================================== +// all lit variants +// prepare norm +// prepare orm +// ================================== +#ifndef UNLIT + // from mikktspace.com + vec3 vNt = texture(normalMap, normal_uv.xy).xyz*2.0-1.0; + float sign = vary_sign; + vec3 vN = vary_normal; + vec3 vT = vary_tangent.xyz; + + vec3 vB = sign * cross(vN, vT); + vec3 norm = normalize( vNt.x * vT + vNt.y * vB + vNt.z * vN ); + norm *= gl_FrontFacing ? 1.0 : -1.0; + + // RGB = Occlusion, Roughness, Metal + // default values, see LLViewerTexture::sDefaultPBRORMImagep + // occlusion 1.0 + // roughness 0.0 + // metal 0.0 + vec3 orm = texture(metallicRoughnessMap, metallic_roughness_uv.xy).rgb; + orm.r = texture(occlusionMap, occlusion_uv.xy).r; + orm.g *= roughnessFactor; + orm.b *= metallicFactor; +#endif +// ================================== + +// ================================== +// non alpha output +// ================================== +#ifndef ALPHA_BLEND +#ifdef UNLIT + vec4 color = basecolor; + color.rgb += emissive.rgb; + frag_color = color; +#else + frag_data[0] = max(vec4(basecolor.rgb, 0.0), vec4(0)); + frag_data[1] = max(vec4(orm.rgb,0.0), vec4(0)); + frag_data[2] = vec4(norm, GBUFFER_FLAG_HAS_PBR); + frag_data[3] = max(vec4(emissive,0), vec4(0)); +#endif +#endif + + +// ================================== +// alpha implementation +// ================================== +#ifdef ALPHA_BLEND + + float scol = 1.0; + vec3 sunlit; + vec3 amblit; + vec3 additive; + vec3 atten; + + vec3 light_dir; + +#ifdef UNLIT + light_dir = vec3(0,0,1); + vec3 norm = vec3(0,0,1); +#else + light_dir = (sun_up_factor == 1) ? sun_dir : moon_dir; +#endif + + calcAtmosphericVarsLinear(pos.xyz, norm, light_dir, sunlit, amblit, additive, atten); + +#ifndef UNLIT + vec3 sunlit_linear = srgb_to_linear(sunlit); + + vec2 frag = vary_fragcoord.xy/vary_fragcoord.z*0.5+0.5; + +#ifdef HAS_SUN_SHADOW + scol = sampleDirectionalShadow(pos.xyz, norm.xyz, frag); +#endif + + float perceptualRoughness = orm.g * roughnessFactor; + float metallic = orm.b * metallicFactor; + + // PBR IBL + float gloss = 1.0 - perceptualRoughness; + vec3 irradiance = vec3(0); + vec3 radiance = vec3(0); + sampleReflectionProbes(irradiance, radiance, vary_position.xy*0.5+0.5, pos.xyz, norm.xyz, gloss, true, amblit); + + vec3 diffuseColor; + vec3 specularColor; + calcDiffuseSpecular(basecolor.rgb, metallic, diffuseColor, specularColor); + + vec3 v = -normalize(pos.xyz); + + vec3 color = pbrBaseLight(diffuseColor, specularColor, metallic, v, norm.xyz, perceptualRoughness, light_dir, sunlit_linear, scol, radiance, irradiance, emissive, orm.r, additive, atten); + + vec3 light = vec3(0); + + // Punctual lights +#define LIGHT_LOOP(i) light += pbrCalcPointLightOrSpotLight(diffuseColor, specularColor, perceptualRoughness, metallic, norm.xyz, pos.xyz, v, light_position[i].xyz, light_direction[i].xyz, light_diffuse[i].rgb, light_deferred_attenuation[i].x, light_deferred_attenuation[i].y, light_attenuation[i].z, light_attenuation[i].w); + + LIGHT_LOOP(1) + LIGHT_LOOP(2) + LIGHT_LOOP(3) + LIGHT_LOOP(4) + LIGHT_LOOP(5) + LIGHT_LOOP(6) + LIGHT_LOOP(7) + + color.rgb += light.rgb; + + color.rgb = applySkyAndWaterFog(pos.xyz, additive, atten, vec4(color, 1.0)).rgb; + + float a = basecolor.a*vertex_color.a; + + frag_color = max(vec4(color.rgb,a), vec4(0)); +#else // UNLIT + vec4 color = basecolor; + color.rgb += emissive.rgb; + frag_color = color; +#endif +#endif // ALPHA_BLEND +} + diff --git a/indra/newview/app_settings/shaders/class1/gltf/pbrmetallicroughnessV.glsl b/indra/newview/app_settings/shaders/class1/gltf/pbrmetallicroughnessV.glsl new file mode 100644 index 0000000000..6a628bc852 --- /dev/null +++ b/indra/newview/app_settings/shaders/class1/gltf/pbrmetallicroughnessV.glsl @@ -0,0 +1,330 @@ +/** + * @file pbrmetallicroughnessV.glsl + * + * $LicenseInfo:firstyear=2024&license=viewerlgpl$ + * 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 + * $/LicenseInfo$ + */ + +// GLTF pbrMetallicRoughness implementation + +uniform mat4 modelview_matrix; +uniform mat4 projection_matrix; + +#ifdef MULTI_UV +in vec2 texcoord1; +int base_color_texcoord = 0; +int emissive_texcoord = 0; +#ifndef UNLIT +int normal_texcoord = 0; +int metallic_roughness_texcoord = 0; +int occlusion_texcoord = 0; +#endif +#endif + +uniform int gltf_material_id; + +layout (std140) uniform GLTFMaterials +{ + // index by gltf_material_id*12 + + // [gltf_material_id + [0-1]] - base color transform + // [gltf_material_id + [2-3]] - normal transform + // [gltf_material_id + [4-5]] - metallic roughness transform + // [gltf_material_id + [6-7]] - emissive transform + // [gltf_material_id + [8-9]] - occlusion transform + // [gltf_material_id + 10] - emissive factor + // [gltf_material_id + 11] - .r unused, .g roughness, .b metalness, .a minimum alpha + + // Transforms are packed as follows + // packed[0] = vec4(scale.x, scale.y, rotation, offset.x) + // packed[1] = vec4(mScale.y, texcoord, 0, 0) + vec4 gltf_material_data[MAX_UBO_VEC4S]; +}; + +vec4[2] texture_base_color_transform; +vec4[2] texture_normal_transform; +vec4[2] texture_metallic_roughness_transform; +vec4[2] texture_emissive_transform; +vec4[2] texture_occlusion_transform; + +void unpackTextureTransforms() +{ + if (gltf_material_id != -1) + { + int idx = gltf_material_id*12; + + texture_base_color_transform[0] = gltf_material_data[idx+0]; + texture_base_color_transform[1] = gltf_material_data[idx+1]; + + texture_normal_transform[0] = gltf_material_data[idx+2]; + texture_normal_transform[1] = gltf_material_data[idx+3]; + + texture_metallic_roughness_transform[0] = gltf_material_data[idx+4]; + texture_metallic_roughness_transform[1] = gltf_material_data[idx+5]; + + texture_emissive_transform[0] = gltf_material_data[idx+6]; + texture_emissive_transform[1] = gltf_material_data[idx+7]; + + texture_occlusion_transform[0] = gltf_material_data[idx+8]; + texture_occlusion_transform[1] = gltf_material_data[idx+9]; + +#ifdef MULTI_UV + base_color_texcoord = int(gltf_material_data[idx+1].g); + emissive_texcoord = int(gltf_material_data[idx+7].g); +#ifndef UNLIT + normal_texcoord = int(gltf_material_data[idx+3].g); + metallic_roughness_texcoord = int(gltf_material_data[idx+5].g); + occlusion_texcoord = int(gltf_material_data[idx+9].g); +#endif +#endif + } + else + { + texture_base_color_transform[0] = vec4(1.0, 1.0, 0.0, 0.0); + texture_base_color_transform[1] = vec4(0.0, 0.0, 0.0, 0.0); + + texture_normal_transform[0] = vec4(1.0, 1.0, 0.0, 0.0); + texture_normal_transform[1] = vec4(0.0, 0.0, 0.0, 0.0); + + texture_metallic_roughness_transform[0] = vec4(1.0, 1.0, 0.0, 0.0); + texture_metallic_roughness_transform[1] = vec4(0.0, 0.0, 0.0, 0.0); + + texture_emissive_transform[0] = vec4(1.0, 1.0, 0.0, 0.0); + texture_emissive_transform[1] = vec4(0.0, 0.0, 0.0, 0.0); + + texture_occlusion_transform[0] = vec4(1.0, 1.0, 0.0, 0.0); + texture_occlusion_transform[1] = vec4(0.0, 0.0, 0.0, 0.0); + } +} + + +in vec3 position; +in vec4 diffuse_color; +in vec2 texcoord0; +out vec2 base_color_uv; +out vec2 emissive_uv; +out vec4 vertex_color; +out vec3 vary_position; + +#ifndef UNLIT +in vec3 normal; +in vec4 tangent; +out vec2 normal_uv; +out vec2 metallic_roughness_uv; +out vec2 occlusion_uv; +out vec3 vary_tangent; +flat out float vary_sign; +out vec3 vary_normal; +#endif + +vec2 gltf_texture_transform(vec2 texcoord, vec4[2] p) +{ + texcoord.y = 1.0 - texcoord.y; + + vec2 Scale = p[0].xy; + float Rotation = -p[0].z; + vec2 Offset = vec2(p[0].w, p[1].x); + + mat3 translation = mat3(1,0,0, 0,1,0, Offset.x, Offset.y, 1); + mat3 rotation = mat3( + cos(Rotation), sin(Rotation), 0, + -sin(Rotation), cos(Rotation), 0, + 0, 0, 1); + + mat3 scale = mat3(Scale.x,0,0, 0,Scale.y,0, 0,0,1); + + mat3 matrix = translation * rotation * scale; + + vec2 uvTransformed = ( matrix * vec3(texcoord.xy, 1) ).xy; + + uvTransformed.y = 1.0 - uvTransformed.y; + + return uvTransformed; +} + +#ifndef UNLIT +vec3 gltf_tangent_space_transform(vec4 vertex_tangent, vec3 vertex_normal, vec4[2] khr_gltf_transform) +{ //derived from tangent_space_transform in textureUtilV.glsl + vec2 weights = vec2(0, 1); + + // Convert to left-handed coordinate system + weights.y = -weights.y; + + // Apply KHR_texture_transform (rotation only) + float khr_rotation = khr_gltf_transform[0].z; + mat2 khr_rotation_mat = mat2( + cos(khr_rotation),-sin(khr_rotation), + sin(khr_rotation), cos(khr_rotation) + ); + weights = khr_rotation_mat * weights; + + // Convert back to right-handed coordinate system + weights.y = -weights.y; + + // Similar to the MikkTSpace-compatible method of extracting the binormal + // from the normal and tangent, as seen in the fragment shader + vec3 vertex_binormal = vertex_tangent.w * cross(vertex_normal, vertex_tangent.xyz); + + return (weights.x * vertex_binormal.xyz) + (weights.y * vertex_tangent.xyz); + + return vertex_tangent.xyz; +} +#endif + +#ifdef ALPHA_BLEND +out vec3 vary_fragcoord; +#endif + +#ifdef HAS_SKIN + +layout (std140) uniform GLTFJoints +{ + mat3x4 gltf_joints[MAX_NODES_PER_GLTF_OBJECT]; +}; + + +in uvec4 joint; +in vec4 weight4; + +mat4 getGLTFTransform() +{ + int i; + + vec4 w = weight4; + + uint i1 = joint.x; + uint i2 = joint.y; + uint i3 = joint.z; + uint i4 = joint.w; + + mat3 mat = mat3(gltf_joints[i1])*w.x; + mat += mat3(gltf_joints[i2])*w.y; + mat += mat3(gltf_joints[i3])*w.z; + mat += mat3(gltf_joints[i4])*w.w; + + vec3 trans = vec3(gltf_joints[i1][0].w,gltf_joints[i1][1].w,gltf_joints[i1][2].w)*w.x; + trans += vec3(gltf_joints[i2][0].w,gltf_joints[i2][1].w,gltf_joints[i2][2].w)*w.y; + trans += vec3(gltf_joints[i3][0].w,gltf_joints[i3][1].w,gltf_joints[i3][2].w)*w.z; + trans += vec3(gltf_joints[i4][0].w,gltf_joints[i4][1].w,gltf_joints[i4][2].w)*w.w; + + mat4 ret; + + ret[0] = vec4(mat[0], 0); + ret[1] = vec4(mat[1], 0); + ret[2] = vec4(mat[2], 0); + ret[3] = vec4(trans, 1.0); + + return ret; +} + +#else + +layout (std140) uniform GLTFNodes +{ + mat3x4 gltf_nodes[MAX_NODES_PER_GLTF_OBJECT]; +}; + +uniform int gltf_node_id = 0; + +mat4 getGLTFTransform() +{ + mat4 ret; + mat3x4 src = gltf_nodes[gltf_node_id]; + + ret[0] = vec4(src[0].xyz, 0); + ret[1] = vec4(src[1].xyz, 0); + ret[2] = vec4(src[2].xyz, 0); + + ret[3] = vec4(src[0].w, src[1].w, src[2].w, 1); + + return ret; +} + +#endif + +void main() +{ + unpackTextureTransforms(); + mat4 mat = getGLTFTransform(); + + mat = modelview_matrix * mat; + + vec3 pos = (mat*vec4(position.xyz,1.0)).xyz; + vary_position = pos; + + vec4 vert = projection_matrix * vec4(pos, 1.0); + gl_Position = vert; + + vec2 bcuv; + vec2 emuv; + +#ifdef MULTI_UV + vec2 uv[2]; + uv[0] = texcoord0; + uv[1] = texcoord1; + + bcuv = uv[base_color_texcoord]; + emuv = uv[emissive_texcoord]; +#else + bcuv = texcoord0; + emuv = texcoord0; +#endif + + base_color_uv = gltf_texture_transform(bcuv, texture_base_color_transform); + emissive_uv = gltf_texture_transform(emuv, texture_emissive_transform); + +#ifndef UNLIT + vec2 normuv; + vec2 rmuv; + vec2 ouv; +#ifdef MULTI_UV + normuv = uv[normal_texcoord]; + rmuv = uv[metallic_roughness_texcoord]; + ouv = uv[occlusion_texcoord]; +#else + normuv = texcoord0; + rmuv = texcoord0; + ouv = texcoord0; +#endif + normal_uv = gltf_texture_transform(normuv, texture_normal_transform); + metallic_roughness_uv = gltf_texture_transform(rmuv, texture_metallic_roughness_transform); + occlusion_uv = gltf_texture_transform(ouv, texture_occlusion_transform); +#endif + +#ifndef UNLIT + vec3 n = (mat*vec4(normal.xyz+position.xyz,1.0)).xyz-pos.xyz; + vec3 t = (mat*vec4(tangent.xyz+position.xyz,1.0)).xyz-pos.xyz; + + n = normalize(n); + vary_tangent = normalize(gltf_tangent_space_transform(vec4(t, tangent.w), n, texture_normal_transform)); + vary_sign = tangent.w; + vary_normal = n; +#endif + + vertex_color = diffuse_color; +#ifdef ALPHA_BLEND + vary_fragcoord = vert.xyz; +#endif +} + + + + diff --git a/indra/newview/app_settings/shaders/class1/interface/copyF.glsl b/indra/newview/app_settings/shaders/class1/interface/copyF.glsl index edaa2488f0..094d147e86 100644 --- a/indra/newview/app_settings/shaders/class1/interface/copyF.glsl +++ b/indra/newview/app_settings/shaders/class1/interface/copyF.glsl @@ -25,7 +25,10 @@ in vec2 tc; +#if defined(COPY_DEPTH) uniform sampler2D depthMap; +#endif + uniform sampler2D diffuseMap; out vec4 frag_color; diff --git a/indra/newview/app_settings/shaders/class1/interface/normaldebugG.glsl b/indra/newview/app_settings/shaders/class1/interface/normaldebugG.glsl index 51d05cd507..50737d4742 100644 --- a/indra/newview/app_settings/shaders/class1/interface/normaldebugG.glsl +++ b/indra/newview/app_settings/shaders/class1/interface/normaldebugG.glsl @@ -1,24 +1,24 @@ -/** +/** * @file normaldebugG.glsl * * $LicenseInfo:firstyear=2023&license=viewerlgpl$ * Second Life Viewer Source Code * Copyright (C) 2023, 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 * $/LicenseInfo$ */ diff --git a/indra/newview/app_settings/shaders/class1/windlight/atmosphericsFuncs.glsl b/indra/newview/app_settings/shaders/class1/windlight/atmosphericsFuncs.glsl index d077670c96..55daa83750 100644 --- a/indra/newview/app_settings/shaders/class1/windlight/atmosphericsFuncs.glsl +++ b/indra/newview/app_settings/shaders/class1/windlight/atmosphericsFuncs.glsl @@ -57,9 +57,9 @@ void calcAtmosphericVars(vec3 inPositionEye, vec3 light_dir, float ambFactor, ou vec3 rel_pos_norm = normalize(rel_pos); float rel_pos_len = length(rel_pos); - + vec3 sunlight = (sun_up_factor == 1) ? sunlight_color: moonlight_color; - + // sunlight attenuation effect (hue and brightness) due to atmosphere // this is used later for sunlight modulation at various altitudes vec3 light_atten = (blue_density + vec3(haze_density * 0.25)) * (density_multiplier * max_y); @@ -119,7 +119,7 @@ void calcAtmosphericVars(vec3 inPositionEye, vec3 light_dir, float ambFactor, ou additive = (blue_horizon.rgb * blue_weight.rgb) * (cs + tmpAmbient.rgb) + (haze_horizon * haze_weight.rgb) * (cs * haze_glow + tmpAmbient.rgb); // brightness of surface both sunlight and ambient - + sunlit = sunlight.rgb; amblit = tmpAmbient; @@ -128,7 +128,7 @@ void calcAtmosphericVars(vec3 inPositionEye, vec3 light_dir, float ambFactor, ou vec3 srgb_to_linear(vec3 col); -// provide a touch of lighting in the opposite direction of the sun light +// provide a touch of lighting in the opposite direction of the sun light // so areas in shadow don't lose all detail float ambientLighting(vec3 norm, vec3 light_dir) { @@ -150,7 +150,7 @@ void calcAtmosphericVarsLinear(vec3 inPositionEye, vec3 norm, vec3 light_dir, ou // (allows for mixing of light sources other than sunlight e.g. reflection probes) sunlit *= sky_sunlight_scale; amblit *= sky_ambient_scale; - + amblit = srgb_to_linear(amblit); amblit *= ambientLighting(norm, light_dir); } |