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softgpu: Multiply prev normal by world matrix.

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Even when it's not in the vertex data, we still must multiply by the world
matrix.  Fixes some lighting issues in Nayuta no Kiseki.
This commit is contained in:
Unknown W. Brackets 2022-10-20 23:10:56 -07:00
parent d6a59be012
commit 6945604492
1 changed files with 1 additions and 3 deletions
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4
GPU/Software/TransformUnit.cpp
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@ -411,11 +411,9 @@ ClipVertexData TransformUnit::ReadVertex(VertexReader &vreader, const TransformS
vertex.v.clipw = vertex.clippos.w;
Vec3<float> worldnormal;
if (vreader.hasNormal()) {
if (state.enableLighting || state.uvGenMode == GE_TEXMAP_ENVIRONMENT_MAP) {
worldnormal = TransformUnit::ModelToWorldNormal(normal);
worldnormal.NormalizeOr001();
} else {
worldnormal = Vec3<float>(0.0f, 0.0f, 1.0f);
}
// Time to generate some texture coords. Lighting will handle shade mapping.