clarify the exp2 overload (#28)

LuisaGroup · Apr 23, 2024 · f75f1bd · f75f1bd
1 parent 26c9440
commit f75f1bd
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Showing 3 changed files with 77 additions and 77 deletions.
diff --git a/src/integrators/aov.cpp b/src/integrators/aov.cpp
@@ -407,8 +407,8 @@ void AuxiliaryBufferPathTracingInstance::_render_one_camera(
             });
         };
         auto exposure = camera->film()->node()->exposure();
-        auto radiance = spectrum->srgb(swl, Li * shutter_weight) * exp2(exposure);
-        auto diffuse = min(radiance, spectrum->srgb(swl, Li_diffuse * shutter_weight) * exp2(exposure));
+        auto radiance = spectrum->srgb(swl, Li * shutter_weight) * luisa::exp2(exposure);
+        auto diffuse = min(radiance, spectrum->srgb(swl, Li_diffuse * shutter_weight) * luisa::exp2(exposure));
         auto specular = radiance - diffuse;
         aux_buffers.at("sample")->accumulate(pixel_id, make_float4(radiance, 1.f));
         aux_buffers.at("radiance_2")->accumulate(pixel_id, make_float4(radiance * radiance, 1.f));