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video_core: Fix benign out-of-bounds indexing of array (#2553)
The resulting pointer wasn't written to unless the index was verified as valid, but that's still UB and triggered debug checks in MSVC. Reported by garrettboast on IRC
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@ -39,9 +39,8 @@ OutputVertex OutputVertex::FromAttributeBuffer(const RasterizerRegs& regs, Attri
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for (unsigned comp = 0; comp < 4; ++comp) {
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RasterizerRegs::VSOutputAttributes::Semantic semantic = semantics[comp];
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float24* out = &vertex_slots[semantic];
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if (semantic < vertex_slots.size()) {
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*out = input.attr[i][comp];
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vertex_slots[semantic] = input.attr[i][comp];
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} else if (semantic != RasterizerRegs::VSOutputAttributes::INVALID) {
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LOG_ERROR(HW_GPU, "Invalid/unknown semantic id: %u", (unsigned int)semantic);
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}
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