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translate: Correct instance id fetch in local shader (#3309)

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TheTurtle 2025-07-23 23:27:11 +03:00 • committed by GitHub
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6
src/shader_recompiler/frontend/translate/translate.cpp
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@ -92,8 +92,12 @@ void Translator::EmitPrologue(IR::Block* first_block) {
if (runtime_info.num_input_vgprs > 0) {
ir.SetVectorReg(dst_vreg++, ir.Imm32(0));
}
// v2: instance ID
// v2: unknown
if (runtime_info.num_input_vgprs > 1) {
++dst_vreg;
}
// v3: instance ID, plain
if (runtime_info.num_input_vgprs > 2) {
ir.SetVectorReg(dst_vreg++, ir.GetAttributeU32(IR::Attribute::InstanceId));
}
} else {