#3170 Fix for tonemapping not working with PBR skies.

Author: Geenz

indra/llinventory/llsettingssky.cpp

@@ -1180,6 +1180,7 @@ void LLSettingsSky::loadValuesFromLLSD()
     mHDRMax = 2.0f;
     mHDRMin = 0.5f;
     mHDROffset = 1.0f;
+    mTonemapMix = 1.0f;
 
     mSunTextureId = settings[SETTING_SUN_TEXTUREID].asUUID();
     mMoonTextureId = settings[SETTING_MOON_TEXTUREID].asUUID();
@@ -2055,6 +2056,22 @@ F32 LLSettingsSky::getHDROffset() const
     return mHDROffset;
 }
 
+F32 LLSettingsSky::getTonemapMix() const
+{
+    if (mCanAutoAdjust)
+        return 0.0f;
+
+    return mTonemapMix;
+}
+
+void LLSettingsSky::setTonemapMix(F32 mix)
+{
+    if (mCanAutoAdjust)
+        return;
+
+    mTonemapMix = mix;
+}
+
 void LLSettingsSky::setGamma(F32 val)
 {
     mGamma = val;

indra/llinventory/llsettingssky.h

@@ -212,6 +212,8 @@ class LLSettingsSky: public LLSettingsBase
     F32 getHDRMin() const;
     F32 getHDRMax() const;
     F32 getHDROffset() const;
+    F32 getTonemapMix() const;
+    void setTonemapMix(F32 mix);
 
     void setGamma(F32 val);
 
@@ -384,6 +386,7 @@ class LLSettingsSky: public LLSettingsBase
     F32 mCloudVariance;
     F32 mCloudShadow;
     F32 mCloudScale;
+    F32 mTonemapMix;
     F32 mHDROffset;
     F32 mHDRMax;
     F32 mHDRMin;

indra/newview/llsettingsvo.cpp

@@ -804,10 +804,16 @@ void LLSettingsVOSky::applySpecial(void *ptarget, bool force)
     static LLCachedControl<F32> sunlight_scale(gSavedSettings, "RenderSkySunlightScale", 1.5f);
     static LLCachedControl<F32> sunlight_hdr_scale(gSavedSettings, "RenderHDRSkySunlightScale", 1.5f);
     static LLCachedControl<F32> ambient_scale(gSavedSettings, "RenderSkyAmbientScale", 1.5f);
+    static LLCachedControl<F32> tonemap_mix_setting(gSavedSettings, "RenderTonemapMix", 1.f);
 
     // sky is a "classic" sky following pre SL 7.0 shading
     bool classic_mode = psky->canAutoAdjust();
 
+    if (!classic_mode)
+    {
+        psky->setTonemapMix(tonemap_mix_setting);
+    }
+
     shader->uniform1f(LLShaderMgr::SKY_SUNLIGHT_SCALE, hdr ? sunlight_hdr_scale : sunlight_scale);
     shader->uniform1f(LLShaderMgr::SKY_AMBIENT_SCALE, ambient_scale);
     shader->uniform1i(LLShaderMgr::CLASSIC_MODE, classic_mode);

indra/newview/pipeline.cpp

@@ -7150,17 +7150,7 @@ void LLPipeline::tonemap(LLRenderTarget* src, LLRenderTarget* dst)
 
         static LLCachedControl<U32> tonemap_type_setting(gSavedSettings, "RenderTonemapType", 0U);
         shader.uniform1i(tonemap_type, tonemap_type_setting);
-
-        static LLCachedControl<F32> tonemap_mix_setting(gSavedSettings, "RenderTonemapMix", 1.f);
-        if (psky->canAutoAdjust())
-        {
-            // Legacy skies
-            shader.uniform1f(tonemap_mix, 0.f);
-        }
-        else
-        {
-            shader.uniform1f(tonemap_mix, tonemap_mix_setting());
-        }
+        shader.uniform1f(tonemap_mix, psky->getTonemapMix());
 
         mScreenTriangleVB->setBuffer();
         mScreenTriangleVB->drawArrays(LLRender::TRIANGLES, 0, 3);