Visually neutral viewer

• Restructure pipeline internals to use a single UBO with render scene information
• Restructure render scene parameters
• Add render scene option to toggle tonemapping
• Disable tonemapping in Viewer, neutralize all postprocessing options

pipeline/glow-extras/pipeline/stages/implementations/LightingCombinationStage.cc

@@ -45,19 +45,6 @@ void glow::pipeline::LightingCombinationStage::onExecuteStage(RenderContext cons
             shader.setTexture("uDepth", mStageDepthPre->getTargetDepth());
 
             shader.setUniform("uCamPos", ctx.camData.camPos);
-            shader.setUniform("uSunDirection", ctx.scene.sunDirection);
-            shader.setUniform("uSunColor", ctx.scene.sunColor);
-            shader.setUniform("uSunIntensity", ctx.scene.sunIntensity);
-
-            shader.setUniform("uEnableAtmoScatter", ctx.scene.enableAtmoScatter);
-            shader.setUniform("uAtmoScatterIntensity", ctx.scene.atmoScatterIntensity);
-
-            shader.setUniform("uFogDensity", ctx.scene.atmoScatterDensity);
-            shader.setUniform("uAtmoScatterColor", ctx.scene.atmoScatterFogColor);
-            shader.setUniform("uHeightFalloffStart", ctx.scene.atmoScatterHeightFalloffStart);
-            shader.setUniform("uHeightFalloffEnd", ctx.scene.atmoScatterHeightFalloffEnd);
-            shader.setUniform("uHeightFalloffExponent", ctx.scene.atmoScatterHeightFalloffExponent);
-
             geometry::FullscreenTriangle::draw();
         }
     }