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shader: implement RDNA2 subvector loop mask and branch semantics

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nmzik committed 2026-09-10 14:11:46 +04:00
1 parent 3902b42096
commit c913951f7b
11 files changed
+167 -1
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src/graphics/shader/recompiler/frontend/cfg/ShaderCFG.cpp
+3
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@@ -61,6 +61,8 @@ BranchCondition ConditionForOpcode(Opcode opcode) {
case Opcode::S_CBRANCH_VCCNZ: return BranchCondition::VccNonZero;
case Opcode::S_CBRANCH_EXECZ: return BranchCondition::ExecZero;
case Opcode::S_CBRANCH_EXECNZ: return BranchCondition::ExecNonZero;
case Opcode::S_SUBVECTOR_LOOP_BEGIN:
case Opcode::S_SUBVECTOR_LOOP_END: return BranchCondition::ScalarInstruction;
default: return BranchCondition::Unknown;
}
}
@@ -2224,6 +2226,7 @@ std::string BranchConditionToString(BranchCondition condition) {
case BranchCondition::VccNonZero: return "vccnz";
case BranchCondition::ExecZero: return "execz";
case BranchCondition::ExecNonZero: return "execnz";
case BranchCondition::ScalarInstruction: return "scalar_instruction";
case BranchCondition::GotoVariable: return "goto_variable";
default: return "unknown";
}