From 44b552be712a9db83a92710648cde4053adf876d Mon Sep 17 00:00:00 2001
From: ReinUsesLisp <reinuseslisp@airmail.cc>
Date: Wed, 28 Oct 2020 17:05:41 -0300
Subject: [PATCH] shader/arithmetic: Implement FCMP immediate + register
variant
Trivially add the encoding for this.
---
src/video_core/engines/shader_bytecode.h | 2 ++
src/video_core/shader/decode/arithmetic.cpp | 3 ++-
2 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/src/video_core/engines/shader_bytecode.h b/src/video_core/engines/shader_bytecode.h
index d374b73cf1..a3c05d1b09 100644
--- a/src/video_core/engines/shader_bytecode.h
+++ b/src/video_core/engines/shader_bytecode.h
@@ -1893,6 +1893,7 @@ public:
ICMP_IMM,
FCMP_RR,
FCMP_RC,
+ FCMP_IMMR,
MUFU, // Multi-Function Operator
RRO_C, // Range Reduction Operator
RRO_R,
@@ -2205,6 +2206,7 @@ private:
INST("0111110-0-------", Id::HSET2_IMM, Type::HalfSet, "HSET2_IMM"),
INST("010110111010----", Id::FCMP_RR, Type::Arithmetic, "FCMP_RR"),
INST("010010111010----", Id::FCMP_RC, Type::Arithmetic, "FCMP_RC"),
+ INST("0011011-1010----", Id::FCMP_IMMR, Type::Arithmetic, "FCMP_IMMR"),
INST("0101000010000---", Id::MUFU, Type::Arithmetic, "MUFU"),
INST("0100110010010---", Id::RRO_C, Type::Arithmetic, "RRO_C"),
INST("0101110010010---", Id::RRO_R, Type::Arithmetic, "RRO_R"),
diff --git a/src/video_core/shader/decode/arithmetic.cpp b/src/video_core/shader/decode/arithmetic.cpp
index 4db329fa53..afef5948d0 100644
--- a/src/video_core/shader/decode/arithmetic.cpp
+++ b/src/video_core/shader/decode/arithmetic.cpp
@@ -137,7 +137,8 @@ u32 ShaderIR::DecodeArithmetic(NodeBlock& bb, u32 pc) {
break;
}
case OpCode::Id::FCMP_RR:
- case OpCode::Id::FCMP_RC: {
+ case OpCode::Id::FCMP_RC:
+ case OpCode::Id::FCMP_IMMR: {
UNIMPLEMENTED_IF(instr.fcmp.ftz == 0);
Node op_c = GetRegister(instr.gpr39);
Node comp = GetPredicateComparisonFloat(instr.fcmp.cond, std::move(op_c), Immediate(0.0f));