diff options
Diffstat (limited to 'indra/newview/app_settings/shaders/class1/deferred')
10 files changed, 217 insertions, 157 deletions
diff --git a/indra/newview/app_settings/shaders/class1/deferred/aoUtil.glsl b/indra/newview/app_settings/shaders/class1/deferred/aoUtil.glsl index ce018623a8..1a065daf89 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/aoUtil.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/aoUtil.glsl @@ -78,10 +78,10 @@ float calcAmbientOcclusion(vec4 pos, vec3 norm, vec2 pos_screen) { float ret = 1.0; vec3 pos_world = pos.xyz; - vec2 noise_reflect = texture(noiseMap, pos_screen.xy * (screen_res / 128)).xy; + vec2 noise_reflect = texture(noiseMap, pos_screen.xy * (screen_res / 128.0)).xy; float angle_hidden = 0.0; - float points = 0; + float points = 0.0; float scale = min(ssao_radius / -pos_world.z, ssao_max_radius); diff --git a/indra/newview/app_settings/shaders/class1/deferred/deferredUtil.glsl b/indra/newview/app_settings/shaders/class1/deferred/deferredUtil.glsl index 94711be473..63ab0b9b38 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/deferredUtil.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/deferredUtil.glsl @@ -80,6 +80,18 @@ vec3 atmosFragLightingLinear(vec3 light, vec3 additive, vec3 atten); vec4 decodeNormal(vec4 norm); +vec3 clampHDRRange(vec3 color) +{ + // Why do this? + // There are situations where the color range will go to something insane - potentially producing infs and NaNs even. + // This is a safety measure to prevent that. + // As to the specific number there - allegedly some HDR displays expect values to be in the 0-11.2 range. Citation needed. + // -Geenz 2025-03-05 + color = mix(color, vec3(1), isinf(color)); + color = mix(color, vec3(0.0), isnan(color)); + return clamp(color, vec3(0.0), vec3(11.2)); +} + float calcLegacyDistanceAttenuation(float distance, float falloff) { float dist_atten = 1.0 - clamp((distance + falloff)/(1.0 + falloff), 0.0, 1.0); @@ -253,7 +265,7 @@ vec4 texture2DLodSpecular(vec2 tc, float lod) vec2 dist = vec2(0.5) - abs(tc-vec2(0.5)); float det = min(lod/(proj_lod*0.5), 1.0); float d = min(dist.x, dist.y); - d *= min(1, d * (proj_lod - lod)); // BUG? extra factor compared to diffuse causes N repeats + d *= min(1.0, d * (proj_lod - lod)); // BUG? extra factor compared to diffuse causes N repeats float edge = 0.25*det; ret *= clamp(d/edge, 0.0, 1.0); @@ -371,7 +383,7 @@ void pbrIbl(vec3 diffuseColor, out vec3 specularOut) { // retrieve a scale and bias to F0. See [1], Figure 3 - vec2 brdf = BRDF(clamp(nv, 0, 1), 1.0-perceptualRough); + vec2 brdf = BRDF(clamp(nv, 0.0, 1.0), 1.0-perceptualRough); vec3 diffuseLight = irradiance; vec3 specularLight = radiance; @@ -426,9 +438,10 @@ float geometricOcclusion(PBRInfo pbrInputs) float NdotL = pbrInputs.NdotL; float NdotV = pbrInputs.NdotV; float r = pbrInputs.alphaRoughness; + float r2 = r * r; - float attenuationL = 2.0 * NdotL / (NdotL + sqrt(r * r + (1.0 - r * r) * (NdotL * NdotL))); - float attenuationV = 2.0 * NdotV / (NdotV + sqrt(r * r + (1.0 - r * r) * (NdotV * NdotV))); + float attenuationL = 2.0 * NdotL / (NdotL + sqrt(r2 + (1.0 - r2) * (NdotL * NdotL))); + float attenuationV = 2.0 * NdotV / (NdotV + sqrt(r2 + (1.0 - r2) * (NdotV * NdotV))); return attenuationL * attenuationV; } @@ -613,24 +626,11 @@ vec3 pbrBaseLight(vec3 diffuseColor, vec3 specularColor, float metallic, vec3 v, uniform vec4 waterPlane; uniform float waterSign; -// discard if given position in eye space is on the wrong side of the waterPlane according to waterSign void waterClip(vec3 pos) { - // TODO: make this less branchy - if (waterSign > 0) + if (((dot(pos.xyz, waterPlane.xyz) + waterPlane.w) * waterSign) < 0.0) { - if ((dot(pos.xyz, waterPlane.xyz) + waterPlane.w) < 0.0) - { - discard; - } + discard; } - else - { - if ((dot(pos.xyz, waterPlane.xyz) + waterPlane.w) > 0.0) - { - discard; - } - } - } diff --git a/indra/newview/app_settings/shaders/class1/deferred/globalF.glsl b/indra/newview/app_settings/shaders/class1/deferred/globalF.glsl index 2ed4ba3163..9060d358cf 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/globalF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/globalF.glsl @@ -34,7 +34,7 @@ uniform float clipSign; void mirrorClip(vec3 pos) { - if (mirror_flag > 0) + if (mirror_flag > 0.0) { if ((dot(pos.xyz, clipPlane.xyz) + clipPlane.w) < 0.0) { diff --git a/indra/newview/app_settings/shaders/class1/deferred/luminanceF.glsl b/indra/newview/app_settings/shaders/class1/deferred/luminanceF.glsl index 4acab159cb..4331418b33 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/luminanceF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/luminanceF.glsl @@ -37,14 +37,10 @@ uniform sampler2D emissiveRect; uniform sampler2D normalMap; uniform float diffuse_luminance_scale; -float lum(vec3 col) -{ - vec3 l = vec3(0.2126, 0.7152, 0.0722); - return dot(l, col); -} void main() { + const vec3 l = vec3(0.2126, 0.7152, 0.0722); 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; @@ -62,7 +58,7 @@ void main() c += texture(emissiveRect, tc).rgb; - float L = lum(c); + float L = dot(l, c); frag_color = vec4(max(L, 0.0)); } diff --git a/indra/newview/app_settings/shaders/class1/deferred/pbrterrainUtilF.glsl b/indra/newview/app_settings/shaders/class1/deferred/pbrterrainUtilF.glsl index dc43007dca..fb4b139662 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/pbrterrainUtilF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/pbrterrainUtilF.glsl @@ -297,7 +297,7 @@ vec3 _t_normal_post_1(vec3 vNt0, float sign_or_zero) sign = (2.0*sign) + 1.0; sign /= abs(sign); // If the sign is negative, rotate normal by 180 degrees - vNt1.xy = (min(0, sign) * vNt1.xy) + (min(0, -sign) * -vNt1.xy); + vNt1.xy = (min(0.0, sign) * vNt1.xy) + (min(0.0, -sign) * -vNt1.xy); return vNt1; } diff --git a/indra/newview/app_settings/shaders/class1/deferred/postDeferredF.glsl b/indra/newview/app_settings/shaders/class1/deferred/postDeferredF.glsl index 9797bcd2ce..4e737492a7 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/postDeferredF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/postDeferredF.glsl @@ -69,6 +69,8 @@ void dofSampleNear(inout vec4 diff, inout float w, float min_sc, vec2 tc) w += wg; } +vec3 clampHDRRange(vec3 color); + void main() { vec2 tc = vary_fragcoord.xy; @@ -120,5 +122,6 @@ void main() diff /= w; } + diff.rgb = clampHDRRange(diff.rgb); frag_color = diff; } diff --git a/indra/newview/app_settings/shaders/class1/deferred/postDeferredGammaCorrect.glsl b/indra/newview/app_settings/shaders/class1/deferred/postDeferredGammaCorrect.glsl index befd2ae6da..4ccc6f54a8 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/postDeferredGammaCorrect.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/postDeferredGammaCorrect.glsl @@ -43,6 +43,8 @@ vec3 legacyGamma(vec3 color) return c; } +vec3 clampHDRRange(vec3 color); + void main() { //this is the one of the rare spots where diffuseRect contains linear color values (not sRGB) @@ -53,6 +55,7 @@ void main() diff.rgb = legacyGamma(diff.rgb); #endif - frag_color = max(diff, vec4(0)); + diff.rgb = clampHDRRange(diff.rgb); + frag_color = diff; } diff --git a/indra/newview/app_settings/shaders/class1/deferred/postDeferredNoDoFF.glsl b/indra/newview/app_settings/shaders/class1/deferred/postDeferredNoDoFF.glsl index 32b0a1ac8e..c05b4eed7a 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/postDeferredNoDoFF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/postDeferredNoDoFF.glsl @@ -71,6 +71,7 @@ float noise(vec2 x) { //============================= +vec3 clampHDRRange(vec3 color); void main() @@ -84,6 +85,7 @@ void main() diff.rgb += nz*0.003; #endif + diff.rgb = clampHDRRange(diff.rgb); frag_color = diff; gl_FragDepth = texture(depthMap, vary_fragcoord.xy).r; diff --git a/indra/newview/app_settings/shaders/class1/deferred/postDeferredTonemap.glsl b/indra/newview/app_settings/shaders/class1/deferred/postDeferredTonemap.glsl index fc6d4d7727..1f01c7f16a 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/postDeferredTonemap.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/postDeferredTonemap.glsl @@ -28,138 +28,13 @@ out vec4 frag_color; uniform sampler2D diffuseRect; -uniform sampler2D exposureMap; -uniform vec2 screen_res; in vec2 vary_fragcoord; vec3 linear_to_srgb(vec3 cl); +vec3 toneMap(vec3 color); -//=============================================================== -// 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; -} - -// Khronos Neutral tonemapping -// https://github.com/KhronosGroup/ToneMapping/tree/main -// Input color is non-negative and resides in the Linear Rec. 709 color space. -// Output color is also Linear Rec. 709, but in the [0, 1] range. -vec3 PBRNeutralToneMapping( vec3 color ) -{ - const float startCompression = 0.8 - 0.04; - const float desaturation = 0.15; - - float x = min(color.r, min(color.g, color.b)); - float offset = x < 0.08 ? x - 6.25 * x * x : 0.04; - color -= offset; - - float peak = max(color.r, max(color.g, color.b)); - if (peak < startCompression) return color; - - const float d = 1. - startCompression; - float newPeak = 1. - d * d / (peak + d - startCompression); - color *= newPeak / peak; - - float g = 1. - 1. / (desaturation * (peak - newPeak) + 1.); - return mix(color, newPeak * vec3(1, 1, 1), g); -} - -uniform float exposure; -uniform float tonemap_mix; -uniform int tonemap_type; - -vec3 toneMap(vec3 color) -{ -#ifndef NO_POST - float exp_scale = texture(exposureMap, vec2(0.5,0.5)).r; - - color *= exposure * exp_scale; - - vec3 clamped_color = clamp(color.rgb, vec3(0.0), vec3(1.0)); - - switch(tonemap_type) - { - case 0: - color = PBRNeutralToneMapping(color); - break; - case 1: - color = toneMapACES_Hill(color); - break; - } - - // mix tonemapped and linear here to provide adjustment - color = mix(clamped_color, color, tonemap_mix); -#endif - - return color; -} - -//=============================================================== - -void debugExposure(inout vec3 color) -{ - float exp_scale = texture(exposureMap, vec2(0.5,0.5)).r; - exp_scale *= 0.5; - if (abs(vary_fragcoord.y-exp_scale) < 0.01 && vary_fragcoord.x < 0.1) - { - color = vec3(1,0,0); - } -} +vec3 clampHDRRange(vec3 color); void main() { @@ -172,6 +47,7 @@ void main() diff.rgb = clamp(diff.rgb, vec3(0.0), vec3(1.0)); #endif + diff.rgb = clampHDRRange(diff.rgb); //debugExposure(diff.rgb); frag_color = max(diff, vec4(0)); } diff --git a/indra/newview/app_settings/shaders/class1/deferred/tonemapUtilF.glsl b/indra/newview/app_settings/shaders/class1/deferred/tonemapUtilF.glsl new file mode 100644 index 0000000000..a63b8d7c2b --- /dev/null +++ b/indra/newview/app_settings/shaders/class1/deferred/tonemapUtilF.glsl @@ -0,0 +1,180 @@ +/** + * @file postDeferredTonemap.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 + * $/LicenseInfo$ + */ + +/*[EXTRA_CODE_HERE]*/ + +uniform sampler2D exposureMap; +uniform vec2 screen_res; +in vec2 vary_fragcoord; + +//=============================================================== +// 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; +} + +// Khronos Neutral tonemapping +// https://github.com/KhronosGroup/ToneMapping/tree/main +// Input color is non-negative and resides in the Linear Rec. 709 color space. +// Output color is also Linear Rec. 709, but in the [0, 1] range. +vec3 PBRNeutralToneMapping( vec3 color ) +{ + const float startCompression = 0.8 - 0.04; + const float desaturation = 0.15; + + float x = min(color.r, min(color.g, color.b)); + float offset = x < 0.08 ? x - 6.25 * x * x : 0.04; + color -= offset; + + float peak = max(color.r, max(color.g, color.b)); + if (peak < startCompression) return color; + + const float d = 1. - startCompression; + float newPeak = 1. - d * d / (peak + d - startCompression); + color *= newPeak / peak; + + float g = 1. - 1. / (desaturation * (peak - newPeak) + 1.); + return mix(color, newPeak * vec3(1, 1, 1), g); +} + +uniform float exposure; +uniform float tonemap_mix; +uniform int tonemap_type; + +vec3 toneMap(vec3 color) +{ +#ifndef NO_POST + float exp_scale = texture(exposureMap, vec2(0.5,0.5)).r; + + color *= exposure * exp_scale; + + vec3 clamped_color = clamp(color.rgb, vec3(0.0), vec3(1.0)); + + switch(tonemap_type) + { + case 0: + color = PBRNeutralToneMapping(color); + break; + case 1: + color = toneMapACES_Hill(color); + break; + } + + // mix tonemapped and linear here to provide adjustment + color = mix(clamped_color, color, tonemap_mix); +#endif + + return color; +} + + +vec3 toneMapNoExposure(vec3 color) +{ +#ifndef NO_POST + vec3 clamped_color = clamp(color.rgb, vec3(0.0), vec3(1.0)); + + switch(tonemap_type) + { + case 0: + color = PBRNeutralToneMapping(color); + break; + case 1: + color = toneMapACES_Hill(color); + break; + } + + // mix tonemapped and linear here to provide adjustment + color = mix(clamped_color, color, tonemap_mix); +#endif + + return color; +} + + +//=============================================================== + +void debugExposure(inout vec3 color) +{ + float exp_scale = texture(exposureMap, vec2(0.5,0.5)).r; + exp_scale *= 0.5; + if (abs(vary_fragcoord.y-exp_scale) < 0.01 && vary_fragcoord.x < 0.1) + { + color = vec3(1,0,0); + } +} |