void MyBaseBSDF::traceForward(VRayContext &rc, int doDiffuse) {
rc.mtlresult.clear();
RenderElementsResults renderElements;
renderElements.makeZero();
if (computeRenderElements) {
renderElements.diffuseLighting=finalElements.diffuseLighting;
renderElements.specularLighting=finalElements.specularLighting;
renderElements.finalShadow=finalElements.shadow;
}
float reflectTransp=1.0f;
int reflectOpaque=false;
if (2!=doDiffuse && !dontTrace && reflectSamples!=0) {
renderElements.reflection=computeReflections(rc, reflectTransp, renderElements.reflectionFilter);
rc.mtlresult.color+=renderElements.reflection;
reflectOpaque=(reflectTransp<1e-6f);
}
if (!reflectOpaque) {
renderElements.diffuseFilter=params.diffuse*reflectTransp;
if (doDiffuse) {
renderElements.rawGI=rc.evalDiffuse()*(1.0f-params.sssMix);
renderElements.gi=renderElements.rawGI*renderElements.diffuseFilter;
rc.mtlresult.color+=renderElements.gi;
}
if (params.sssMix>1e-6f && renderElements.diffuseFilter.sum()>1e-6f) {
renderElements.rawSSS=computeRawSSS(rc, renderElements.diffuseFilter)*params.sssMix;
renderElements.sss=renderElements.rawSSS*renderElements.diffuseFilter;
rc.mtlresult.color+=renderElements.sss;
}
}
rc.mtlresult.transp=params.transparency;
rc.mtlresult.alpha=params.transparency.whiteComplement();
rc.mtlresult.alphaTransp=params.transparency;
Fragment *f=(Fragment*) rc.mtlresult.fragment;
if (f) {
renderElements.finalColor=finalElements.color+rc.mtlresult.color;
writeRenderElements(f, renderElements);
}
}
//NOTE(Vidar): Called whenever a reflection ray is to be calculated
void MyBaseBSDF::traceForward(VRayContext &rc, int doDiffuse) {
BRDFSampler::traceForward(rc, doDiffuse);
if (doDiffuse) rc.mtlresult.color+=rc.evalDiffuse()*diffuse_color;
}