diff options
| -rw-r--r-- | src/video_core/swrasterizer/lighting.cpp | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/video_core/swrasterizer/lighting.cpp b/src/video_core/swrasterizer/lighting.cpp index 4f16bac07..b38964530 100644 --- a/src/video_core/swrasterizer/lighting.cpp +++ b/src/video_core/swrasterizer/lighting.cpp @@ -52,6 +52,7 @@ std::tuple<Math::Vec4<u8>, Math::Vec4<u8>> ComputeFragmentsColors( // Use the normalized the quaternion when performing the rotation auto normal = Math::QuaternionRotate(normquat, surface_normal); + auto tangent = Math::QuaternionRotate(normquat, surface_tangent); Math::Vec4<float> diffuse_sum = {0.0f, 0.0f, 0.0f, 1.0f}; Math::Vec4<float> specular_sum = {0.0f, 0.0f, 0.0f, 1.0f}; @@ -120,6 +121,16 @@ std::tuple<Math::Vec4<u8>, Math::Vec4<u8>> ComputeFragmentsColors( result = Math::Dot(light_vector, spot_dir.Cast<float>() / 2047.0f); break; } + case LightingRegs::LightingLutInput::CP: + if (lighting.config0.config == LightingRegs::LightingConfig::Config7) { + const Math::Vec3<float> norm_half_vector = half_vector.Normalized(); + const Math::Vec3<float> half_vector_proj = + norm_half_vector - normal * Math::Dot(normal, norm_half_vector); + result = Math::Dot(half_vector_proj, tangent); + } else { + result = 0.0f; + } + break; default: LOG_CRITICAL(HW_GPU, "Unknown lighting LUT input %u\n", static_cast<u32>(input)); UNIMPLEMENTED(); |