diff options
Diffstat (limited to 'indra/newview/app_settings/shaders/class1/deferred')
15 files changed, 382 insertions, 88 deletions
diff --git a/indra/newview/app_settings/shaders/class1/deferred/cloudsF.glsl b/indra/newview/app_settings/shaders/class1/deferred/cloudsF.glsl index cf9ce646d1..fe796a054d 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/cloudsF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/cloudsF.glsl @@ -52,9 +52,6 @@ VARYING vec2 vary_texcoord2; VARYING vec2 vary_texcoord3; VARYING float altitude_blend_factor; -/// Soft clips the light with a gamma correction -vec3 scaleSoftClip(vec3 light); - vec4 cloudNoise(vec2 uv) { vec4 a = texture2D(cloud_noise_texture, uv); @@ -119,7 +116,6 @@ void main() color = (cloudColorSun*(1.-alpha2) + cloudColorAmbient); color.rgb= max(vec3(0), color.rgb); color.rgb *= 2.0; - color.rgb = scaleSoftClip(color.rgb); /// Gamma correct for WL (soft clip effect). frag_data[0] = vec4(color.rgb, alpha1); diff --git a/indra/newview/app_settings/shaders/class1/deferred/deferredUtil.glsl b/indra/newview/app_settings/shaders/class1/deferred/deferredUtil.glsl index e71d080fc5..4bf16b50bf 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/deferredUtil.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/deferredUtil.glsl @@ -74,7 +74,6 @@ const float ONE_OVER_PI = 0.3183098861; vec3 srgb_to_linear(vec3 cs); vec3 atmosFragLightingLinear(vec3 light, vec3 additive, vec3 atten); -vec3 scaleSoftClipFragLinear(vec3 light); float calcLegacyDistanceAttenuation(float distance, float falloff) { @@ -383,7 +382,8 @@ vec3 pbrIbl(vec3 diffuseColor, vec3 irradiance, // irradiance map sample float ao, // ambient occlusion factor float nv, // normal dot view vector - float perceptualRough) + float perceptualRough, + out vec3 specContrib) { // retrieve a scale and bias to F0. See [1], Figure 3 vec2 brdf = BRDF(clamp(nv, 0, 1), 1.0-perceptualRough); @@ -393,9 +393,24 @@ vec3 pbrIbl(vec3 diffuseColor, vec3 diffuse = diffuseLight * diffuseColor; vec3 specular = specularLight * (specularColor * brdf.x + brdf.y); - return (diffuse + specular*0.5) * ao; //reduce by half to place in appropriate color space for atmospherics + specContrib = specular * ao; + + return (diffuse + specular) * ao; +} + +vec3 pbrIbl(vec3 diffuseColor, + vec3 specularColor, + vec3 radiance, // radiance map sample + vec3 irradiance, // irradiance map sample + float ao, // ambient occlusion factor + float nv, // normal dot view vector + float perceptualRough) +{ + vec3 specContrib; + return pbrIbl(diffuseColor, specularColor, radiance, irradiance, ao, nv, perceptualRough, specContrib); } + // Encapsulate the various inputs used by the various functions in the shading equation // We store values in this struct to simplify the integration of alternative implementations // of the shading terms, outlined in the Readme.MD Appendix. @@ -460,7 +475,8 @@ vec3 pbrPunctual(vec3 diffuseColor, vec3 specularColor, float metallic, vec3 n, // normal vec3 v, // surface point to camera - vec3 l) //surface point to light + vec3 l, //surface point to light + out vec3 specContrib) //specular contribution (exposed to alpha shaders to calculate "glare") { // make sure specular highlights from punctual lights don't fall off of polished surfaces perceptualRoughness = max(perceptualRoughness, 8.0/255.0); @@ -506,17 +522,30 @@ vec3 pbrPunctual(vec3 diffuseColor, vec3 specularColor, float G = geometricOcclusion(pbrInputs); float D = microfacetDistribution(pbrInputs); - const vec3 u_LightColor = vec3(1.0); - // Calculation of analytical lighting contribution vec3 diffuseContrib = (1.0 - F) * diffuse(pbrInputs); - vec3 specContrib = F * G * D / (4.0 * NdotL * NdotV); + specContrib = F * G * D / (4.0 * NdotL * NdotV); // Obtain final intensity as reflectance (BRDF) scaled by the energy of the light (cosine law) - vec3 color = NdotL * u_LightColor * (diffuseContrib + specContrib); + vec3 color = NdotL * (diffuseContrib + specContrib); + + specContrib *= NdotL; + specContrib = max(specContrib, vec3(0)); return color; } +vec3 pbrPunctual(vec3 diffuseColor, vec3 specularColor, + float perceptualRoughness, + float metallic, + vec3 n, // normal + vec3 v, // surface point to camera + vec3 l) //surface point to light +{ + vec3 specContrib; + + return pbrPunctual(diffuseColor, specularColor, perceptualRoughness, metallic, n, v, l, specContrib); +} + void calcDiffuseSpecular(vec3 baseColor, float metallic, inout vec3 diffuseColor, inout vec3 specularColor) { vec3 f0 = vec3(0.04); @@ -525,23 +554,30 @@ void calcDiffuseSpecular(vec3 baseColor, float metallic, inout vec3 diffuseColor specularColor = mix(f0, baseColor, metallic); } -vec3 pbrBaseLight(vec3 diffuseColor, vec3 specularColor, float metallic, vec3 v, vec3 norm, float perceptualRoughness, vec3 light_dir, vec3 sunlit, float scol, vec3 radiance, vec3 irradiance, vec3 colorEmissive, float ao, vec3 additive, vec3 atten) +vec3 pbrBaseLight(vec3 diffuseColor, vec3 specularColor, float metallic, vec3 v, vec3 norm, float perceptualRoughness, vec3 light_dir, vec3 sunlit, float scol, vec3 radiance, vec3 irradiance, vec3 colorEmissive, float ao, vec3 additive, vec3 atten, out vec3 specContrib) { vec3 color = vec3(0); float NdotV = clamp(abs(dot(norm, v)), 0.001, 1.0); - color += pbrIbl(diffuseColor, specularColor, radiance, irradiance, ao, NdotV, 0.2); + vec3 ibl_spec; + color += pbrIbl(diffuseColor, specularColor, radiance, irradiance, ao, NdotV, perceptualRoughness, ibl_spec); - color += pbrPunctual(diffuseColor, specularColor, perceptualRoughness, metallic, norm, v, normalize(light_dir)) * sunlit * 2.75 * scol; - color += colorEmissive*0.5; + color += pbrPunctual(diffuseColor, specularColor, perceptualRoughness, metallic, norm, v, normalize(light_dir), specContrib) * sunlit * 2.75 * scol; + specContrib *= sunlit * 2.75 * scol; + specContrib += ibl_spec; - color = atmosFragLightingLinear(color, additive, atten); - color = scaleSoftClipFragLinear(color); + color += colorEmissive; return color; } +vec3 pbrBaseLight(vec3 diffuseColor, vec3 specularColor, float metallic, vec3 v, vec3 norm, float perceptualRoughness, vec3 light_dir, vec3 sunlit, float scol, vec3 radiance, vec3 irradiance, vec3 colorEmissive, float ao, vec3 additive, vec3 atten) +{ + vec3 specContrib; + return pbrBaseLight(diffuseColor, specularColor, metallic, v, norm, perceptualRoughness, light_dir, sunlit, scol, radiance, irradiance, colorEmissive, ao, additive, atten, specContrib); +} + uniform vec4 waterPlane; uniform float waterSign; diff --git a/indra/newview/app_settings/shaders/class1/deferred/emissiveF.glsl b/indra/newview/app_settings/shaders/class1/deferred/emissiveF.glsl index f0522850de..fb97cd95b4 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/emissiveF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/emissiveF.glsl @@ -27,14 +27,9 @@ /*[EXTRA_CODE_HERE]*/ -#ifdef DEFINE_GL_FRAGCOLOR out vec4 frag_color; -#else -#define frag_color gl_FragColor -#endif vec3 fullbrightAtmosTransport(vec3 light); -vec3 fullbrightScaleSoftClip(vec3 light); VARYING vec4 vertex_color; VARYING vec2 vary_texcoord0; @@ -46,8 +41,6 @@ void main() vec4 color = diffuseLookup(vary_texcoord0.xy)*vertex_color; color.rgb = fullbrightAtmosTransport(color.rgb); - color.rgb = fullbrightScaleSoftClip(color.rgb); - frag_color = color; } diff --git a/indra/newview/app_settings/shaders/class1/deferred/fullbrightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/fullbrightF.glsl index afe504743d..3a15fd1111 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/fullbrightF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/fullbrightF.glsl @@ -88,8 +88,10 @@ void main() #endif #ifndef IS_HUD + color.rgb = fullbrightAtmosTransport(color.rgb); color.rgb = srgb_to_linear(color.rgb); #endif + frag_color.rgb = color.rgb; frag_color.a = color.a; } diff --git a/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl b/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl new file mode 100644 index 0000000000..4b98e6708f --- /dev/null +++ b/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl @@ -0,0 +1,49 @@ +/** +* @file materialF.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]*/ + +// debug stub + +#define DIFFUSE_ALPHA_MODE_BLEND 1 + +#if (DIFFUSE_ALPHA_MODE == DIFFUSE_ALPHA_MODE_BLEND) +out vec4 frag_color; +#else +out vec4 frag_data[3]; +#endif + +void main() +{ +#if (DIFFUSE_ALPHA_MODE == DIFFUSE_ALPHA_MODE_BLEND) + frag_color = vec4(0.5, 0, 1, 0.5); +#else // mode is not DIFFUSE_ALPHA_MODE_BLEND, encode to gbuffer + // deferred path // See: C++: addDeferredAttachment(), shader: softenLightF.glsl + frag_data[0] = vec4(0.5, 0, 1, 0); // gbuffer is sRGB for legacy materials + frag_data[1] = vec4(0); // XYZ = Specular color. W = Specular exponent. + frag_data[2] = vec4(0); // XY = Normal. Z = Env. intensity. W = 1 skip atmos (mask off fog) +#endif +} + diff --git a/indra/newview/app_settings/shaders/class1/deferred/moonV.glsl b/indra/newview/app_settings/shaders/class1/deferred/moonV.glsl index 7b9aa0a4dc..032245a01c 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/moonV.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/moonV.glsl @@ -27,10 +27,10 @@ uniform mat4 texture_matrix0; uniform mat4 modelview_matrix; uniform mat4 modelview_projection_matrix; -ATTRIBUTE vec3 position; -ATTRIBUTE vec2 texcoord0; +in vec3 position; +in vec2 texcoord0; -VARYING vec2 vary_texcoord0; +out vec2 vary_texcoord0; void main() { diff --git a/indra/newview/app_settings/shaders/class1/deferred/pbralphaF.glsl b/indra/newview/app_settings/shaders/class1/deferred/pbralphaF.glsl new file mode 100644 index 0000000000..2ccd3fd962 --- /dev/null +++ b/indra/newview/app_settings/shaders/class1/deferred/pbralphaF.glsl @@ -0,0 +1,33 @@ +/** + * @file pbralphaF.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 + * $/LicenseInfo$ + */ + + // debug stub + +out vec4 frag_color; + +void main() +{ + frag_color = vec4(1.0, 0, 0.5, 0.5); +} diff --git a/indra/newview/app_settings/shaders/class1/deferred/pbralphaV.glsl b/indra/newview/app_settings/shaders/class1/deferred/pbralphaV.glsl index da27be6e7f..e9515a9187 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/pbralphaV.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/pbralphaV.glsl @@ -44,15 +44,14 @@ uniform mat4 modelview_matrix; out vec3 vary_position; -uniform mat3 texture_basecolor_matrix; -uniform mat3 texture_normal_matrix; -uniform mat3 texture_metallic_roughness_matrix; -uniform mat3 texture_emissive_matrix; +uniform vec4[2] texture_base_color_transform; +uniform vec4[2] texture_normal_transform; +uniform vec4[2] texture_metallic_roughness_transform; +uniform vec4[2] texture_emissive_transform; -#ifdef HAS_SUN_SHADOW out vec3 vary_fragcoord; + uniform float near_clip; -#endif in vec3 position; in vec4 diffuse_color; @@ -60,7 +59,7 @@ in vec3 normal; in vec4 tangent; in vec2 texcoord0; -out vec2 basecolor_texcoord; +out vec2 base_color_texcoord; out vec2 normal_texcoord; out vec2 metallic_roughness_texcoord; out vec2 emissive_texcoord; @@ -71,6 +70,8 @@ out vec3 vary_tangent; flat out float vary_sign; out vec3 vary_normal; +vec2 texture_transform(vec2 vertex_texcoord, vec4[2] khr_gltf_transform, mat4 sl_animation_transform); + void main() { @@ -86,14 +87,12 @@ void main() #endif gl_Position = vert; -#ifdef HAS_SUN_SHADOW vary_fragcoord.xyz = vert.xyz + vec3(0,0,near_clip); -#endif - basecolor_texcoord = (texture_matrix0 * vec4(texture_basecolor_matrix * vec3(texcoord0,1), 1)).xy; - normal_texcoord = (texture_matrix0 * vec4(texture_normal_matrix * vec3(texcoord0,1), 1)).xy; - metallic_roughness_texcoord = (texture_matrix0 * vec4(texture_metallic_roughness_matrix * vec3(texcoord0,1), 1)).xy; - emissive_texcoord = (texture_matrix0 * vec4(texture_emissive_matrix * vec3(texcoord0,1), 1)).xy; + base_color_texcoord = texture_transform(texcoord0, texture_base_color_transform, texture_matrix0); + normal_texcoord = texture_transform(texcoord0, texture_normal_transform, texture_matrix0); + metallic_roughness_texcoord = texture_transform(texcoord0, texture_metallic_roughness_transform, texture_matrix0); + emissive_texcoord = texture_transform(texcoord0, texture_emissive_transform, texture_matrix0); #ifdef HAS_SKIN vec3 n = (mat*vec4(normal.xyz+position.xyz,1.0)).xyz-pos.xyz; @@ -126,18 +125,21 @@ uniform mat4 modelview_matrix; out vec3 vary_position; -uniform mat3 texture_basecolor_matrix; -uniform mat3 texture_emissive_matrix; +uniform vec4[2] texture_base_color_transform; +uniform vec4[2] texture_emissive_transform; in vec3 position; in vec4 diffuse_color; in vec2 texcoord0; -out vec2 basecolor_texcoord; +out vec2 base_color_texcoord; out vec2 emissive_texcoord; out vec4 vertex_color; +vec2 texture_transform(vec2 vertex_texcoord, vec4[2] khr_gltf_transform, mat4 sl_animation_transform); + + void main() { //transform vertex @@ -145,8 +147,8 @@ void main() gl_Position = vert; vary_position = vert.xyz; - basecolor_texcoord = (texture_matrix0 * vec4(texture_basecolor_matrix * vec3(texcoord0,1), 1)).xy; - emissive_texcoord = (texture_matrix0 * vec4(texture_emissive_matrix * vec3(texcoord0,1), 1)).xy; + base_color_texcoord = texture_transform(texcoord0, texture_base_color_transform, texture_matrix0); + emissive_texcoord = texture_transform(texcoord0, texture_emissive_transform, texture_matrix0); vertex_color = diffuse_color; } diff --git a/indra/newview/app_settings/shaders/class1/deferred/pbrglowF.glsl b/indra/newview/app_settings/shaders/class1/deferred/pbrglowF.glsl index 8dc9e02f7a..1c36aa6b50 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/pbrglowF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/pbrglowF.glsl @@ -37,7 +37,7 @@ out vec4 frag_color; in vec3 vary_position; in vec4 vertex_emissive; -in vec2 basecolor_texcoord; +in vec2 base_color_texcoord; in vec2 emissive_texcoord; uniform float minimum_alpha; // PBR alphaMode: MASK, See: mAlphaCutoff, setAlphaCutoff() @@ -47,7 +47,7 @@ vec3 srgb_to_linear(vec3 c); void main() { - vec4 basecolor = texture2D(diffuseMap, basecolor_texcoord.xy).rgba; + vec4 basecolor = texture2D(diffuseMap, base_color_texcoord.xy).rgba; if (basecolor.a < minimum_alpha) { diff --git a/indra/newview/app_settings/shaders/class1/deferred/pbrglowV.glsl b/indra/newview/app_settings/shaders/class1/deferred/pbrglowV.glsl index 75b24336c5..82a50a115c 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/pbrglowV.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/pbrglowV.glsl @@ -34,19 +34,21 @@ uniform mat4 modelview_projection_matrix; uniform mat4 texture_matrix0; -uniform mat3 texture_basecolor_matrix; -uniform mat3 texture_emissive_matrix; +uniform vec4[2] texture_base_color_transform; +uniform vec4[2] texture_emissive_transform; in vec3 position; in vec4 emissive; in vec2 texcoord0; -out vec2 basecolor_texcoord; +out vec2 base_color_texcoord; out vec2 emissive_texcoord; out vec4 vertex_emissive; +vec2 texture_transform(vec2 vertex_texcoord, vec4[2] khr_gltf_transform, mat4 sl_animation_transform); + void main() { #ifdef HAS_SKIN @@ -62,8 +64,8 @@ void main() gl_Position = modelview_projection_matrix * vec4(position.xyz, 1.0); #endif - basecolor_texcoord = (texture_matrix0 * vec4(texture_basecolor_matrix * vec3(texcoord0,1), 1)).xy; - emissive_texcoord = (texture_matrix0 * vec4(texture_emissive_matrix * vec3(texcoord0,1), 1)).xy; + base_color_texcoord = texture_transform(texcoord0, texture_base_color_transform, texture_matrix0); + emissive_texcoord = texture_transform(texcoord0, texture_emissive_transform, texture_matrix0); vertex_emissive = emissive; } diff --git a/indra/newview/app_settings/shaders/class1/deferred/pbropaqueF.glsl b/indra/newview/app_settings/shaders/class1/deferred/pbropaqueF.glsl index c4c5a7872b..6659e67a7a 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/pbropaqueF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/pbropaqueF.glsl @@ -47,7 +47,7 @@ in vec3 vary_normal; in vec3 vary_tangent; flat in float vary_sign; -in vec2 basecolor_texcoord; +in vec2 base_color_texcoord; in vec2 normal_texcoord; in vec2 metallic_roughness_texcoord; in vec2 emissive_texcoord; @@ -62,7 +62,7 @@ uniform mat3 normal_matrix; void main() { - vec4 basecolor = texture2D(diffuseMap, basecolor_texcoord.xy).rgba; + vec4 basecolor = texture2D(diffuseMap, base_color_texcoord.xy).rgba; if (basecolor.a < minimum_alpha) { discard; @@ -121,7 +121,7 @@ out vec4 frag_color; in vec3 vary_position; in vec4 vertex_color; -in vec2 basecolor_texcoord; +in vec2 base_color_texcoord; in vec2 emissive_texcoord; uniform float minimum_alpha; // PBR alphaMode: MASK, See: mAlphaCutoff, setAlphaCutoff() @@ -131,7 +131,7 @@ vec3 srgb_to_linear(vec3 c); void main() { - vec4 basecolor = texture2D(diffuseMap, basecolor_texcoord.xy).rgba; + vec4 basecolor = texture2D(diffuseMap, base_color_texcoord.xy).rgba; if (basecolor.a < minimum_alpha) { discard; diff --git a/indra/newview/app_settings/shaders/class1/deferred/pbropaqueV.glsl b/indra/newview/app_settings/shaders/class1/deferred/pbropaqueV.glsl index 8320640e42..e2c23ac8f0 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/pbropaqueV.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/pbropaqueV.glsl @@ -38,10 +38,10 @@ uniform mat4 modelview_projection_matrix; #endif uniform mat4 texture_matrix0; -uniform mat3 texture_basecolor_matrix; -uniform mat3 texture_normal_matrix; -uniform mat3 texture_metallic_roughness_matrix; -uniform mat3 texture_emissive_matrix; +uniform vec4[2] texture_base_color_transform; +uniform vec4[2] texture_normal_transform; +uniform vec4[2] texture_metallic_roughness_transform; +uniform vec4[2] texture_emissive_transform; in vec3 position; in vec4 diffuse_color; @@ -49,7 +49,7 @@ in vec3 normal; in vec4 tangent; in vec2 texcoord0; -out vec2 basecolor_texcoord; +out vec2 base_color_texcoord; out vec2 normal_texcoord; out vec2 metallic_roughness_texcoord; out vec2 emissive_texcoord; @@ -60,6 +60,8 @@ out vec3 vary_tangent; flat out float vary_sign; out vec3 vary_normal; +vec2 texture_transform(vec2 vertex_texcoord, vec4[2] khr_gltf_transform, mat4 sl_animation_transform); + void main() { #ifdef HAS_SKIN @@ -75,11 +77,11 @@ void main() //transform vertex gl_Position = modelview_projection_matrix * vec4(position.xyz, 1.0); #endif - - basecolor_texcoord = (texture_matrix0 * vec4(texture_basecolor_matrix * vec3(texcoord0,1), 1)).xy; - normal_texcoord = (texture_matrix0 * vec4(texture_normal_matrix * vec3(texcoord0,1), 1)).xy; - metallic_roughness_texcoord = (texture_matrix0 * vec4(texture_metallic_roughness_matrix * vec3(texcoord0,1), 1)).xy; - emissive_texcoord = (texture_matrix0 * vec4(texture_emissive_matrix * vec3(texcoord0,1), 1)).xy; + + base_color_texcoord = texture_transform(texcoord0, texture_base_color_transform, texture_matrix0); + normal_texcoord = texture_transform(texcoord0, texture_normal_transform, texture_matrix0); + metallic_roughness_texcoord = texture_transform(texcoord0, texture_metallic_roughness_transform, texture_matrix0); + emissive_texcoord = texture_transform(texcoord0, texture_emissive_transform, texture_matrix0); #ifdef HAS_SKIN vec3 n = (mat*vec4(normal.xyz+position.xyz,1.0)).xyz-pos.xyz; @@ -104,27 +106,29 @@ uniform mat4 modelview_projection_matrix; uniform mat4 texture_matrix0; -uniform mat3 texture_basecolor_matrix; -uniform mat3 texture_normal_matrix; -uniform mat3 texture_metallic_roughness_matrix; -uniform mat3 texture_emissive_matrix; +uniform vec4[2] texture_base_color_transform; +uniform vec4[2] texture_normal_transform; +uniform vec4[2] texture_metallic_roughness_transform; +uniform vec4[2] texture_emissive_transform; in vec3 position; in vec4 diffuse_color; in vec2 texcoord0; -out vec2 basecolor_texcoord; +out vec2 base_color_texcoord; out vec2 emissive_texcoord; out vec4 vertex_color; +vec2 texture_transform(vec2 vertex_texcoord, vec4[2] khr_gltf_transform, mat4 sl_animation_transform); + void main() { //transform vertex gl_Position = modelview_projection_matrix * vec4(position.xyz, 1.0); - basecolor_texcoord = (texture_matrix0 * vec4(texture_basecolor_matrix * vec3(texcoord0,1), 1)).xy; - emissive_texcoord = (texture_matrix0 * vec4(texture_emissive_matrix * vec3(texcoord0,1), 1)).xy; + base_color_texcoord = texture_transform(texcoord0, texture_base_color_transform, texture_matrix0); + emissive_texcoord = texture_transform(texcoord0, texture_emissive_transform, texture_matrix0); vertex_color = diffuse_color; } diff --git a/indra/newview/app_settings/shaders/class1/deferred/postDeferredGammaCorrect.glsl b/indra/newview/app_settings/shaders/class1/deferred/postDeferredGammaCorrect.glsl index 987b2d1fe8..383fcaa9a7 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/postDeferredGammaCorrect.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/postDeferredGammaCorrect.glsl @@ -41,6 +41,95 @@ uniform float display_gamma; vec3 linear_to_srgb(vec3 cl); +//=============================================================== +// tone mapping taken from Khronos sample implementation +//=============================================================== + +// sRGB => XYZ => D65_2_D60 => AP1 => RRT_SAT +const mat3 ACESInputMat = mat3 +( + 0.59719, 0.07600, 0.02840, + 0.35458, 0.90834, 0.13383, + 0.04823, 0.01566, 0.83777 +); + + +// ODT_SAT => XYZ => D60_2_D65 => sRGB +const mat3 ACESOutputMat = mat3 +( + 1.60475, -0.10208, -0.00327, + -0.53108, 1.10813, -0.07276, + -0.07367, -0.00605, 1.07602 +); + +// ACES tone map (faster approximation) +// see: https://knarkowicz.wordpress.com/2016/01/06/aces-filmic-tone-mapping-curve/ +vec3 toneMapACES_Narkowicz(vec3 color) +{ + const float A = 2.51; + const float B = 0.03; + const float C = 2.43; + const float D = 0.59; + const float E = 0.14; + return clamp((color * (A * color + B)) / (color * (C * color + D) + E), 0.0, 1.0); +} + + +// ACES filmic tone map approximation +// see https://github.com/TheRealMJP/BakingLab/blob/master/BakingLab/ACES.hlsl +vec3 RRTAndODTFit(vec3 color) +{ + vec3 a = color * (color + 0.0245786) - 0.000090537; + vec3 b = color * (0.983729 * color + 0.4329510) + 0.238081; + return a / b; +} + + +// tone mapping +vec3 toneMapACES_Hill(vec3 color) +{ + color = ACESInputMat * color; + + // Apply RRT and ODT + color = RRTAndODTFit(color); + + color = ACESOutputMat * color; + + // Clamp to [0, 1] + color = clamp(color, 0.0, 1.0); + + return color; +} + +uniform float exposure; +uniform float gamma; + +vec3 toneMap(vec3 color) +{ + color *= exposure; + +#ifdef TONEMAP_ACES_NARKOWICZ + color = toneMapACES_Narkowicz(color); +#endif + +#ifdef TONEMAP_ACES_HILL + color = toneMapACES_Hill(color); +#endif + +#ifdef TONEMAP_ACES_HILL_EXPOSURE_BOOST + // boost exposure as discussed in https://github.com/mrdoob/three.js/pull/19621 + // this factor is based on the exposure correction of Krzysztof Narkowicz in his + // implemetation of ACES tone mapping + color *= 1.0/0.6; + //color /= 0.6; + color = toneMapACES_Hill(color); +#endif + + return linear_to_srgb(color); +} + +//=============================================================== + //================================= // borrowed noise from: // <https://www.shadertoy.com/view/4dS3Wd> @@ -79,16 +168,26 @@ float noise(vec2 x) { //============================= + +vec3 legacyGamma(vec3 color) +{ + color = 1. - clamp(color, vec3(0.), vec3(1.)); + color = 1. - pow(color, vec3(gamma)); // s/b inverted already CPU-side + + return color; +} + void main() { //this is the one of the rare spots where diffuseRect contains linear color values (not sRGB) vec4 diff = texture2D(diffuseRect, vary_fragcoord); - diff.rgb = linear_to_srgb(diff.rgb); - vec2 tc = vary_fragcoord.xy*screen_res; - + diff.rgb = toneMap(diff.rgb); + diff.rgb = legacyGamma(diff.rgb); + + vec2 tc = vary_fragcoord.xy*screen_res*4.0; vec3 seed = (diff.rgb+vec3(1.0))*vec3(tc.xy, tc.x+tc.y); vec3 nz = vec3(noise(seed.rg), noise(seed.gb), noise(seed.rb)); - diff.rgb += nz*0.008; + diff.rgb += nz*0.003; //diff.rgb = nz; frag_color = diff; } diff --git a/indra/newview/app_settings/shaders/class1/deferred/shadowUtil.glsl b/indra/newview/app_settings/shaders/class1/deferred/shadowUtil.glsl index cd49202f89..ee3a5f1f31 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/shadowUtil.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/shadowUtil.glsl @@ -59,12 +59,12 @@ float pcfShadow(sampler2DShadow shadowMap, vec3 norm, vec4 stc, float bias_mul, stc.xyz /= stc.w; stc.z += offset * 2.0; stc.x = floor(stc.x*shadow_res.x + fract(pos_screen.y*shadow_res.y))/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 cs = texture(shadowMap, stc.xyz); float shadow = cs * 4.0; - shadow += shadow2D(shadowMap, stc.xyz+vec3( 1.5/shadow_res.x, 0.5/shadow_res.y, 0.0)).x; - shadow += shadow2D(shadowMap, stc.xyz+vec3( 0.5/shadow_res.x, -1.5/shadow_res.y, 0.0)).x; - shadow += shadow2D(shadowMap, stc.xyz+vec3(-1.5/shadow_res.x, -0.5/shadow_res.y, 0.0)).x; - shadow += shadow2D(shadowMap, stc.xyz+vec3(-0.5/shadow_res.x, 1.5/shadow_res.y, 0.0)).x; + shadow += texture(shadowMap, stc.xyz+vec3( 1.5/shadow_res.x, 0.5/shadow_res.y, 0.0)); + shadow += texture(shadowMap, stc.xyz+vec3( 0.5/shadow_res.x, -1.5/shadow_res.y, 0.0)); + shadow += texture(shadowMap, stc.xyz+vec3(-1.5/shadow_res.x, -0.5/shadow_res.y, 0.0)); + shadow += texture(shadowMap, stc.xyz+vec3(-0.5/shadow_res.x, 1.5/shadow_res.y, 0.0)); return clamp(shadow * 0.125, 0.0, 1.0); #else return 1.0; @@ -78,16 +78,16 @@ float pcfSpotShadow(sampler2DShadow shadowMap, vec4 stc, float bias_scale, vec2 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 cs = texture(shadowMap, stc.xyz); 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; + shadow += texture(shadowMap, stc.xyz+vec3(off.x*2.0, off.y, 0.0)); + shadow += texture(shadowMap, stc.xyz+vec3(off.x, -off.y, 0.0)); + shadow += texture(shadowMap, stc.xyz+vec3(-off.x, off.y, 0.0)); + shadow += texture(shadowMap, stc.xyz+vec3(-off.x*2.0, -off.y, 0.0)); return shadow*0.2; #else return 1.0; diff --git a/indra/newview/app_settings/shaders/class1/deferred/textureUtilV.glsl b/indra/newview/app_settings/shaders/class1/deferred/textureUtilV.glsl new file mode 100644 index 0000000000..71f7ec52c4 --- /dev/null +++ b/indra/newview/app_settings/shaders/class1/deferred/textureUtilV.glsl @@ -0,0 +1,78 @@ +/** + * @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 + * $/LicenseInfo$ + */ + +// This shader code is taken from the sample code on the KHR_texture_transform +// spec page page, plus or minus some sign error corrections (I think because the GLSL +// matrix constructor is backwards?): +// https://github.com/KhronosGroup/glTF/tree/main/extensions/2.0/Khronos/KHR_texture_transform +// Previously (6494eed242b1), we passed in a single, precalculated matrix +// uniform per transform into the shaders. However, that was found to produce +// small-but-noticeable discrepancies with the GLTF sample model +// "TextureTransformTest", likely due to numerical precision differences. In +// the interest of parity with other renderers, calculate the transform +// directly in the shader. -Cosmic,2023-02-24 +vec2 khr_texture_transform(vec2 texcoord, vec2 scale, float rotation, vec2 offset) +{ + mat3 scale_mat = mat3(scale.x,0,0, 0,scale.y,0, 0,0,1); + mat3 offset_mat = mat3(1,0,0, 0,1,0, offset.x, offset.y, 1); + mat3 rotation_mat = mat3( + cos(rotation),-sin(rotation), 0, + sin(rotation), cos(rotation), 0, + 0, 0, 1 + ); + + mat3 transform = offset_mat * rotation_mat * scale_mat; + + return (transform * vec3(texcoord, 1)).xy; +} + +// 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. +// khr_gltf_transform - The texture transform matrix as defined in the +// KHR_texture_transform GLTF extension spec. It assumes a left-handed UV +// coordinate system. GLTF models also have left-handed UVs. +// sl_animation_transform - The texture transform matrix for texture +// animations, available through LSL script functions such as +// LlSetTextureAnim. It assumes a right-handed UV coordinate system. +// texcoord - The final texcoord to use for image sampling +vec2 texture_transform(vec2 vertex_texcoord, vec4[2] khr_gltf_transform, mat4 sl_animation_transform) +{ + vec2 texcoord = vertex_texcoord; + + // Apply texture animation first to avoid shearing and other artifacts + texcoord = (sl_animation_transform * vec4(texcoord, 0, 1)).xy; + // Convert to left-handed coordinate system. The offset of 1 is necessary + // for rotations to be applied correctly. + texcoord.y = 1.0 - texcoord.y; + texcoord = khr_texture_transform(texcoord, khr_gltf_transform[0].xy, khr_gltf_transform[0].z, khr_gltf_transform[1].xy); + // Convert back to right-handed coordinate system + texcoord.y = 1.0 - texcoord.y; + + // To make things more confusing, all SL image assets are upside-down + // We may need an additional sign flip here when we implement a Vulkan backend + + return texcoord; +} |