From c3e5e3b533b84b6c1f07714277982e4c6e8aea09 Mon Sep 17 00:00:00 2001
From: Rye Mutt <rye@alchemyviewer.org>
Date: Tue, 14 Sep 2021 00:29:03 -0400
Subject: [PATCH] HDR lighting
---
.../newview/app_settings/settings_alchemy.xml | 6 ++--
.../shaders/class1/alchemy/toneMapF.glsl | 33 ++++++++++---------
.../shaders/class1/deferred/materialF.glsl | 2 +-
.../class1/deferred/multiSpotLightF.glsl | 5 +--
.../shaders/class1/deferred/spotLightF.glsl | 5 +--
.../shaders/class1/environment/srgbF.glsl | 1 -
.../class2/deferred/multiSpotLightF.glsl | 5 +--
.../shaders/class2/deferred/spotLightF.glsl | 3 +-
8 files changed, 32 insertions(+), 28 deletions(-)
diff --git a/indra/newview/app_settings/settings_alchemy.xml b/indra/newview/app_settings/settings_alchemy.xml
index 574a39fdbbf..051dbb72657 100644
--- a/indra/newview/app_settings/settings_alchemy.xml
+++ b/indra/newview/app_settings/settings_alchemy.xml
@@ -769,13 +769,13 @@
<key>RenderToneMapType</key>
<map>
<key>Comment</key>
- <string>Tonemapping type 0 - None, 1 - Linear, 2 - Reinhard, 3 - Reinhard2, 4 - Filmic, 5 - Unreal, 6 - ACES, 7 - Uchimura, 8 - Lottes, 9 - Uncharted</string>
+ <string>Tonemapping type 0 - HDR Debug, 1 - Linear, 2 - Reinhard, 3 - Reinhard2, 4 - Filmic, 5 - Unreal, 6 - ACES, 7 - Uchimura, 8 - Lottes, 9 - Uncharted</string>
<key>Persist</key>
<integer>1</integer>
<key>Type</key>
<string>U32</string>
<key>Value</key>
- <integer>0</integer>
+ <integer>7</integer>
</map>
<key>RenderToneMapUchimuraA</key>
<map>
@@ -803,7 +803,7 @@
<key>Value</key>
<array>
<real>0.4</real>
- <real>1.33</real>
+ <real>1.13</real>
<real>0.0</real>
</array>
</map>
diff --git a/indra/newview/app_settings/shaders/class1/alchemy/toneMapF.glsl b/indra/newview/app_settings/shaders/class1/alchemy/toneMapF.glsl
index 2955f24cd07..989c44c8665 100644
--- a/indra/newview/app_settings/shaders/class1/alchemy/toneMapF.glsl
+++ b/indra/newview/app_settings/shaders/class1/alchemy/toneMapF.glsl
@@ -46,7 +46,7 @@ vec3 linear_to_srgb(vec3 cl);
vec3 reinhard(vec3 x)
{
- return x/(1+x);
+ return x/(1+x);
}
vec3 reinhard2(vec3 x) {
@@ -56,9 +56,9 @@ vec3 reinhard2(vec3 x) {
vec3 filmic(vec3 color)
{
- color = max(vec3(0.), color - vec3(0.004));
- color = (color * (6.2 * color + .5)) / (color * (6.2 * color + 1.7) + 0.06);
- return color;
+ color = max(vec3(0.), color - vec3(0.004));
+ color = (color * (6.2 * color + .5)) / (color * (6.2 * color + 1.7) + 0.06);
+ return color;
}
vec3 unreal(vec3 x)
@@ -178,8 +178,9 @@ void main()
#if TONEMAP_METHOD == 0 // None, Gamma Correct Only
#define NEEDS_GAMMA_CORRECT 1
-#elif TONEMAP_METHOD == 1 // Linear
+#elif TONEMAP_METHOD == 1 // Linear
#define NEEDS_GAMMA_CORRECT 1
+ diff.rgb = clamp(diff.rgb, 0, 1);
#elif TONEMAP_METHOD == 2 // Reinhard method
#define NEEDS_GAMMA_CORRECT 1
diff.rgb = reinhard(diff.rgb);
@@ -212,25 +213,25 @@ void main()
#if COLOR_GRADE_LUT
// Invert coord for compat with DX-style LUT
- diff.y = 1.0 - diff.y;
+ diff.y = 1.0 - diff.y;
- // Convert to texel coords
- vec3 lutRange = diff.rgb * ( colorgrade_lut_size.w - 1);
+ // Convert to texel coords
+ vec3 lutRange = diff.rgb * ( colorgrade_lut_size.w - 1);
// Calculate coords in texel space
- vec2 lutX = vec2(floor(lutRange.z)*colorgrade_lut_size.w+lutRange.x, lutRange.y);
- vec2 lutY = vec2(ceil(lutRange.z)*colorgrade_lut_size.w+lutRange.x, lutRange.y);
+ vec2 lutX = vec2(floor(lutRange.z)*colorgrade_lut_size.w+lutRange.x, lutRange.y);
+ vec2 lutY = vec2(ceil(lutRange.z)*colorgrade_lut_size.w+lutRange.x, lutRange.y);
- // texel to ndc
- lutX = (lutX+0.5)*colorgrade_lut_size.xy;
- lutY = (lutY+0.5)*colorgrade_lut_size.xy;
+ // texel to ndc
+ lutX = (lutX+0.5)*colorgrade_lut_size.xy;
+ lutY = (lutY+0.5)*colorgrade_lut_size.xy;
- // LUT interpolation
- diff.rgb = mix(
+ // LUT interpolation
+ diff.rgb = mix(
texture2D(colorgrade_lut, lutX).rgb,
texture2D(colorgrade_lut, lutY).rgb,
fract(lutRange.z)
- );
+ );
#endif
frag_color = diff;
diff --git a/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl b/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl
index 2b0ded0f808..46af11ebaa9 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl
@@ -158,7 +158,7 @@ vec3 calcPointLightOrSpotLight(vec3 light_col, vec3 npos, vec3 diffuse, vec4 spe
{
float scol = fres*texture2D(lightFunc, vec2(nh, spec.a)).r*gt / (nh*da);
vec3 speccol = lit*scol*light_col.rgb*spec.rgb;
- speccol = clamp(speccol, vec3(0), vec3(1));
+ speccol = max(speccol, vec3(0));
col += speccol;
float cur_glare = max(speccol.r, speccol.g);
diff --git a/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl
index 42c0a7ba253..b80ff45b0c3 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl
@@ -229,8 +229,9 @@ void main()
if (nh > 0.0)
{
float scol = fres*texture2D(lightFunc, vec2(nh, spec.a)).r*gt/(nh*da);
- col += dlit*scol*spec.rgb;
- //col += spec.rgb;
+ vec3 speccol = dlit*scol*spec.rgb;
+ speccol = max(speccol, vec3(0));
+ col += speccol;
}
}
diff --git a/indra/newview/app_settings/shaders/class1/deferred/spotLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/spotLightF.glsl
index c68a4c3a401..22e079cec6b 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/spotLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/spotLightF.glsl
@@ -229,8 +229,9 @@ void main()
if (nh > 0.0)
{
float scol = fres*texture2D(lightFunc, vec2(nh, spec.a)).r*gt/(nh*da);
- col += dlit*scol*spec.rgb;
- //col += spec.rgb;
+ vec3 speccol = dlit*scol*spec.rgb;
+ speccol = max(speccol, vec3(0));
+ col += speccol;
}
}
diff --git a/indra/newview/app_settings/shaders/class1/environment/srgbF.glsl b/indra/newview/app_settings/shaders/class1/environment/srgbF.glsl
index 4a8b892c3ae..97201607637 100644
--- a/indra/newview/app_settings/shaders/class1/environment/srgbF.glsl
+++ b/indra/newview/app_settings/shaders/class1/environment/srgbF.glsl
@@ -43,7 +43,6 @@ vec3 srgb_to_linear(vec3 cs)
vec3 linear_to_srgb(vec3 cl)
{
- cl = clamp(cl, vec3(0), vec3(1));
vec3 low_range = cl * 12.92;
vec3 high_range = 1.055 * pow(cl, vec3(0.41666)) - 0.055;
bvec3 lt = lessThan(cl,vec3(0.0031308));
diff --git a/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl
index 97925822076..2ddecd5aef6 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl
@@ -225,9 +225,10 @@ void main()
vec4 spec = texture2DRect(specularRect, frag.xy);
if (spec.a > 0.0)
{
- vec3 npos = -normalize(pos);
dlit *= min(da*6.0, 1.0) * dist_atten;
+ vec3 npos = -normalize(pos);
+
//vec3 ref = dot(pos+lv, norm);
vec3 h = normalize(lv+npos);
float nh = dot(norm, h);
@@ -243,7 +244,7 @@ void main()
{
float scol = fres*texture2D(lightFunc, vec2(nh, spec.a)).r*gt/(nh*da);
vec3 speccol = dlit*scol*spec.rgb*shadow;
- speccol = clamp(speccol, vec3(0), vec3(1));
+ speccol = max(speccol, vec3(0));
col += speccol;
}
}
diff --git a/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl
index 8d836686a16..9f0ae224b7e 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl
@@ -225,6 +225,7 @@ void main()
if (spec.a > 0.0)
{
dlit *= min(da*6.0, 1.0) * dist_atten;
+
vec3 npos = -normalize(pos);
//vec3 ref = dot(pos+lv, norm);
@@ -242,7 +243,7 @@ void main()
{
float scol = fres*texture2D(lightFunc, vec2(nh, spec.a)).r*gt/(nh*da);
vec3 speccol = dlit*scol*spec.rgb*shadow;
- speccol = clamp(speccol, vec3(0), vec3(1));
+ speccol = max(speccol, vec3(0));
col += speccol;
}
}
--
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