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softgpu: Calc worldnormal a bit less often.

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This is clearer anyway.
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Unknown W. Brackets committed 2023-04-16 10:16:32 -07:00
1 parent 59fb374c38
commit b5206df04f
3 files changed
+13 -9
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GPU/Software/TransformUnit.cpp
+4 -7
View File
@@ -273,12 +273,9 @@ void ComputeTransformState(TransformState *state, const VertexReader &vreader) {
bool canSkipWorldPos = true;
if (state->enableLighting) {
Lighting::ComputeState(&state->lightingState, vreader.hasColor0());
for (int i = 0; i < 4; ++i) {
if (!state->lightingState.lights[i].enabled)
continue;
if (!state->lightingState.lights[i].directional)
canSkipWorldPos = false;
}
canSkipWorldPos = !state->lightingState.usesWorldPos;
} else {
state->lightingState.usesWorldNormal = state->uvGenMode == GE_TEXMAP_ENVIRONMENT_MAP;
}
float world[16];
@@ -412,7 +409,7 @@ ClipVertexData TransformUnit::ReadVertex(const VertexReader &vreader, const Tran
vertex.v.clipw = vertex.clippos.w;
Vec3<float> worldnormal;
if (state.enableLighting || state.uvGenMode == GE_TEXMAP_ENVIRONMENT_MAP) {
if (state.lightingState.usesWorldNormal) {
worldnormal = TransformUnit::ModelToWorldNormal(normal);
worldnormal.NormalizeOr001();
}