SwRasterizer/Lighting: dist atten lut input need to be clamp

2017-07-11 22:19:00 +03:00 · 2017-07-11 22:19:00 +03:00 · 4feff63ffa
parent 56e5425e59
commit 4feff63ffa
1 changed files with 1 additions and 1 deletions
--- a/src/video_core/swrasterizer/rasterizer.cpp
+++ b/src/video_core/swrasterizer/rasterizer.cpp
@ -171,7 +171,7 @@ std::tuple<Math::Vec4<u8>, Math::Vec4<u8>> ComputeFragmentsColors(
            size_t lut =
                static_cast<size_t>(LightingRegs::LightingSampler::DistanceAttenuation) + num;

-            float sample_loc = scale * distance + bias;
+            float sample_loc = MathUtil::Clamp(scale * distance + bias, 0.0f, 1.0f);

            u8 lutindex =
                static_cast<u8>(MathUtil::Clamp(std::floor(sample_loc * 256.0f), 0.0f, 255.0f));