Initial commit - result of a meeting with Miroslav (2018-11-30)

FROM pbrt

MAINTAINER noone <no@o.ne>

RUN apt-get update -yq && apt-get install -yq \

    git

COPY white_background.patch /app/

RUN (cd /app/; git apply white_background.patch)

RUN /usr/bin/make -j8

diff --git a/src/integrators/directlighting.cpp b/src/integrators/directlighting.cpp

index 1498a9d..0377eec 100644

--- a/src/integrators/directlighting.cpp

+++ b/src/integrators/directlighting.cpp

@@ -67,8 +67,7 @@ Spectrum DirectLightingIntegrator::Li(const RayDifferential &ray,

     // Find closest ray intersection or return background radiance

     SurfaceInteraction isect;

     if (!scene.Intersect(ray, &isect)) {

-        for (const auto &light : scene.lights) L += light->Le(ray);

-        return L;

+        return Spectrum(1.f);

     }

     // Compute scattering functions for surface interaction