Implements #181 back facing cull

components/renderers/cpp/src/splat_render.cpp

@@ -76,6 +76,7 @@ void Splatter::renderChannel(
 	bool is_4chan = scene_->frames[0].get<GpuMat>(channel).type() == CV_32FC4;
 	
 	// Render each camera into virtual view
+	// TODO: Move out of renderChannel, this is a common step to all channels
 	for (size_t i=0; i < scene_->frames.size(); ++i) {
 		auto &f = scene_->frames[i];
 		auto *s = scene_->sources[i];
@@ -87,6 +88,7 @@ void Splatter::renderChannel(
 
 		ftl::cuda::dibr_merge(
 			f.createTexture<float4>(Channel::Points),
+			f.createTexture<float4>(Channel::Normals),
 			temp_.getTexture<int>(Channel::Depth),
 			params, stream
 		);