CCF_100/citra
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

video_core: Fix distance vector used when calculating lighting distance attenuation. (#6366)

Browse Source
This commit is contained in:
Steveice10
2023-03-30 05:12:09 -07:00
committed by GitHub
parent ffc95eb59b
commit 506644b9d6
2 changed files with 8 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
src/video_core/renderer_software/sw_lighting.cpp
View File

@@ -90,13 +90,12 @@ std::tuple<Common::Vec4<u8>, Common::Vec4<u8>> ComputeFragmentsColors(
float dist_atten = 1.0f;
if (!lighting.IsDistAttenDisabled(num)) {
auto distance = (-view - position).Length();
float scale = Pica::float20::FromRaw(light_config.dist_atten_scale).ToFloat32();
float bias = Pica::float20::FromRaw(light_config.dist_atten_bias).ToFloat32();
std::size_t lut =
static_cast<std::size_t>(LightingRegs::LightingSampler::DistanceAttenuation) + num;
float sample_loc = std::clamp(scale * distance + bias, 0.0f, 1.0f);
float sample_loc = std::clamp(scale * length + bias, 0.0f, 1.0f);
u8 lutindex =
static_cast<u8>(std::clamp(std::floor(sample_loc * 256.0f), 0.0f, 255.0f));