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shader_ir/decode: Implement half float saturation

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This commit is contained in:
ReinUsesLisp
2019-04-09 18:41:41 -03:00
parent 90cbf89303
commit 64613db605
5 changed files with 31 additions and 8 deletions
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6
src/video_core/shader/decode/arithmetic_half_immediate.cpp
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@ -23,8 +23,6 @@ u32 ShaderIR::DecodeArithmeticHalfImmediate(NodeBlock& bb, u32 pc) {
} else {
UNIMPLEMENTED_IF(instr.alu_half_imm.precision != Tegra::Shader::HalfPrecision::None);
}
UNIMPLEMENTED_IF_MSG(instr.alu_half_imm.saturate != 0,
"Half float immediate saturation not implemented");
Node op_a = GetRegister(instr.gpr8);
op_a = GetOperandAbsNegHalf(op_a, instr.alu_half_imm.abs_a, instr.alu_half_imm.negate_a);
@ -43,10 +41,10 @@ u32 ShaderIR::DecodeArithmeticHalfImmediate(NodeBlock& bb, u32 pc) {
return Immediate(0);
}
}();
value = GetSaturatedHalfFloat(value, instr.alu_half_imm.saturate);
value = HalfMerge(GetRegister(instr.gpr0), value, instr.alu_half_imm.merge);
SetRegister(bb, instr.gpr0, value);
return pc;
}