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SwRasterizer/Lighting: Fixed a bug where the distance attenuation bias was being set to the dist atten scale.

This commit is contained in:
Subv 2017-06-13 12:53:50 -05:00 committed by wwylele
parent 6250f52e93
commit 37ac2b6657
1 changed files with 2 additions and 3 deletions
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5
src/video_core/swrasterizer/rasterizer.cpp
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@ -175,12 +175,11 @@ std::tuple<Math::Vec4<u8>, Math::Vec4<u8>> ComputeFragmentsColors(
if (!lighting.IsDistAttenDisabled(num)) {
auto distance = (-view - position).Length();
float scale = Pica::float20::FromRaw(light_config.dist_atten_scale).ToFloat32();
float dist_aten_bias =
Pica::float20::FromRaw(light_config.dist_atten_scale).ToFloat32();
float bias = Pica::float20::FromRaw(light_config.dist_atten_bias).ToFloat32();
size_t lut =
static_cast<size_t>(LightingRegs::LightingSampler::DistanceAttenuation) + num;
float sample_loc = scale * distance + dist_aten_bias;
float sample_loc = scale * distance + bias;
u8 lutindex =
static_cast<u8>(MathUtil::Clamp(std::floor(sample_loc * 256.f), 0.0f, 255.0f));