diff options
Diffstat (limited to 'indra/newview/app_settings/shaders/class1/deferred')
7 files changed, 55 insertions, 37 deletions
diff --git a/indra/newview/app_settings/shaders/class1/deferred/deferredUtil.glsl b/indra/newview/app_settings/shaders/class1/deferred/deferredUtil.glsl index d32455d70c..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); @@ -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 > 0.0) + 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/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/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 c4610bffac..1f01c7f16a 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/postDeferredTonemap.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/postDeferredTonemap.glsl @@ -34,6 +34,8 @@ in vec2 vary_fragcoord; vec3 linear_to_srgb(vec3 cl); vec3 toneMap(vec3 color); +vec3 clampHDRRange(vec3 color); + void main() { //this is the one of the rare spots where diffuseRect contains linear color values (not sRGB) @@ -45,6 +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 index a63b8d7c2b..774ccb6baf 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/tonemapUtilF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/tonemapUtilF.glsl @@ -117,27 +117,34 @@ 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 linear_input_color = color; - vec3 clamped_color = clamp(color.rgb, vec3(0.0), vec3(1.0)); + float exp_scale = texture(exposureMap, vec2(0.5,0.5)).r; + float final_exposure = exposure * exp_scale; + vec3 exposed_color = color * final_exposure; + vec3 tonemapped_color = exposed_color; switch(tonemap_type) { case 0: - color = PBRNeutralToneMapping(color); + tonemapped_color = PBRNeutralToneMapping(exposed_color); break; case 1: - color = toneMapACES_Hill(color); + tonemapped_color = toneMapACES_Hill(exposed_color); break; } - // mix tonemapped and linear here to provide adjustment - color = mix(clamped_color, color, tonemap_mix); + vec3 exposed_linear_input = linear_input_color * final_exposure; + color = mix(exposed_linear_input, tonemapped_color, tonemap_mix); + + color = clamp(color, 0.0, 1.0); +#else + color *= exposure * texture(exposureMap, vec2(0.5,0.5)).r; + color = clamp(color, 0.0, 1.0); #endif return color; @@ -147,20 +154,24 @@ vec3 toneMap(vec3 color) vec3 toneMapNoExposure(vec3 color) { #ifndef NO_POST - vec3 clamped_color = clamp(color.rgb, vec3(0.0), vec3(1.0)); + vec3 linear_input_color = color; + vec3 tonemapped_color = color; switch(tonemap_type) { case 0: - color = PBRNeutralToneMapping(color); + tonemapped_color = PBRNeutralToneMapping(color); break; case 1: - color = toneMapACES_Hill(color); + tonemapped_color = toneMapACES_Hill(color); break; } - // mix tonemapped and linear here to provide adjustment - color = mix(clamped_color, color, tonemap_mix); + color = mix(linear_input_color, tonemapped_color, tonemap_mix); + + color = clamp(color, 0.0, 1.0); +#else + color = clamp(color, 0.0, 1.0); #endif return color; |