Fixed bugs and made light propagating volumes runnable.

res/dpr/strategy/native_forward/native_stereo_forward.frag

res/dpr/utility/indirect_injection.frag

res/dpr/utility/indirect_injection.geom

res/dpr/utility/indirect_injection.vert

res/dpr/utility/indirect_library.glsl

res/dpr/utility/indirect_propagation.comp

res/dpr/utility/light_library.glsl

src/strategy/native_stereo_forward.cpp

src/strategy/native_stereo_forward.hpp

src/utility/indirect_cache.cpp

src/utility/indirect_cache.hpp