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authorameerj <52414509+ameerj@users.noreply.github.com>2021-03-01 07:30:09 +0100
committerameerj <52414509+ameerj@users.noreply.github.com>2021-07-23 03:51:23 +0200
commite0389286165805258fa2e54014c2dc506ffb9f35 (patch)
treed7830153aac3a2ad93fd93f8b74516bbeb8f3718 /src/shader_recompiler/frontend/maxwell/translate/impl
parentshader: Make IMNMX, SHR, SEL stylistically more consistent (diff)
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-rw-r--r--src/shader_recompiler/frontend/maxwell/translate/impl/common_funcs.cpp46
-rw-r--r--src/shader_recompiler/frontend/maxwell/translate/impl/common_funcs.h17
-rw-r--r--src/shader_recompiler/frontend/maxwell/translate/impl/impl.h19
-rw-r--r--src/shader_recompiler/frontend/maxwell/translate/impl/integer_compare.cpp39
-rw-r--r--src/shader_recompiler/frontend/maxwell/translate/impl/integer_compare_and_set.cpp62
-rw-r--r--src/shader_recompiler/frontend/maxwell/translate/impl/integer_minimum_maximum.cpp2
-rw-r--r--src/shader_recompiler/frontend/maxwell/translate/impl/not_implemented.cpp12
7 files changed, 147 insertions, 50 deletions
diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/common_funcs.cpp b/src/shader_recompiler/frontend/maxwell/translate/impl/common_funcs.cpp
new file mode 100644
index 000000000..3ec146b1a
--- /dev/null
+++ b/src/shader_recompiler/frontend/maxwell/translate/impl/common_funcs.cpp
@@ -0,0 +1,46 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "shader_recompiler/frontend/maxwell/translate/impl/common_funcs.h"
+
+namespace Shader::Maxwell {
+[[nodiscard]] IR::U1 IntegerCompare(TranslatorVisitor& v, const IR::U32& operand_1,
+ const IR::U32& operand_2, ComparisonOp compare_op,
+ bool is_signed) {
+ switch (compare_op) {
+ case ComparisonOp::False:
+ return v.ir.Imm1(false);
+ case ComparisonOp::LessThan:
+ return v.ir.ILessThan(operand_1, operand_2, is_signed);
+ case ComparisonOp::Equal:
+ return v.ir.IEqual(operand_1, operand_2);
+ case ComparisonOp::LessThanEqual:
+ return v.ir.ILessThanEqual(operand_1, operand_2, is_signed);
+ case ComparisonOp::GreaterThan:
+ return v.ir.IGreaterThan(operand_1, operand_2, is_signed);
+ case ComparisonOp::NotEqual:
+ return v.ir.INotEqual(operand_1, operand_2);
+ case ComparisonOp::GreaterThanEqual:
+ return v.ir.IGreaterThanEqual(operand_1, operand_2, is_signed);
+ case ComparisonOp::True:
+ return v.ir.Imm1(true);
+ default:
+ throw NotImplementedException("CMP");
+ }
+}
+
+[[nodiscard]] IR::U1 PredicateCombine(TranslatorVisitor& v, const IR::U1& predicate_1,
+ const IR::U1& predicate_2, BooleanOp bop) {
+ switch (bop) {
+ case BooleanOp::And:
+ return v.ir.LogicalAnd(predicate_1, predicate_2);
+ case BooleanOp::Or:
+ return v.ir.LogicalOr(predicate_1, predicate_2);
+ case BooleanOp::Xor:
+ return v.ir.LogicalXor(predicate_1, predicate_2);
+ default:
+ throw NotImplementedException("BOP");
+ }
+}
+} // namespace Shader::Maxwell
diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/common_funcs.h b/src/shader_recompiler/frontend/maxwell/translate/impl/common_funcs.h
new file mode 100644
index 000000000..293fcce2e
--- /dev/null
+++ b/src/shader_recompiler/frontend/maxwell/translate/impl/common_funcs.h
@@ -0,0 +1,17 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "common/common_types.h"
+#include "shader_recompiler/frontend/maxwell/translate/impl/impl.h"
+
+namespace Shader::Maxwell {
+[[nodiscard]] IR::U1 IntegerCompare(TranslatorVisitor& v, const IR::U32& operand_1,
+ const IR::U32& operand_2, ComparisonOp compare_op,
+ bool is_signed);
+
+[[nodiscard]] IR::U1 PredicateCombine(TranslatorVisitor& v, const IR::U1& predicate_1,
+ const IR::U1& predicate_2, BooleanOp bop);
+} // namespace Shader::Maxwell
diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/impl.h b/src/shader_recompiler/frontend/maxwell/translate/impl/impl.h
index 672e140b2..232f8c894 100644
--- a/src/shader_recompiler/frontend/maxwell/translate/impl/impl.h
+++ b/src/shader_recompiler/frontend/maxwell/translate/impl/impl.h
@@ -2,6 +2,8 @@
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
+#pragma once
+
#include "shader_recompiler/environment.h"
#include "shader_recompiler/frontend/ir/basic_block.h"
#include "shader_recompiler/frontend/ir/ir_emitter.h"
@@ -9,6 +11,23 @@
namespace Shader::Maxwell {
+enum class ComparisonOp : u64 {
+ False,
+ LessThan,
+ Equal,
+ LessThanEqual,
+ GreaterThan,
+ NotEqual,
+ GreaterThanEqual,
+ True,
+};
+
+enum class BooleanOp : u64 {
+ And,
+ Or,
+ Xor,
+};
+
class TranslatorVisitor {
public:
explicit TranslatorVisitor(Environment& env_, IR::Block& block) : env{env_}, ir(block) {}
diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/integer_compare.cpp b/src/shader_recompiler/frontend/maxwell/translate/impl/integer_compare.cpp
index 1f604b0ee..d844974d8 100644
--- a/src/shader_recompiler/frontend/maxwell/translate/impl/integer_compare.cpp
+++ b/src/shader_recompiler/frontend/maxwell/translate/impl/integer_compare.cpp
@@ -4,46 +4,11 @@
#include "common/bit_field.h"
#include "common/common_types.h"
+#include "shader_recompiler/frontend/maxwell/translate/impl/common_funcs.h"
#include "shader_recompiler/frontend/maxwell/translate/impl/impl.h"
namespace Shader::Maxwell {
namespace {
-enum class ComparisonOp : u64 {
- False,
- LessThan,
- Equal,
- LessThanEqual,
- GreaterThan,
- NotEqual,
- GreaterThanEqual,
- True,
-};
-
-[[nodiscard]] IR::U1 CompareToZero(TranslatorVisitor& v, const IR::U32& operand,
- ComparisonOp compare_op, bool is_signed) {
- const IR::U32 zero{v.ir.Imm32(0)};
- switch (compare_op) {
- case ComparisonOp::False:
- return v.ir.Imm1(false);
- case ComparisonOp::LessThan:
- return v.ir.ILessThan(operand, zero, is_signed);
- case ComparisonOp::Equal:
- return v.ir.IEqual(operand, zero);
- case ComparisonOp::LessThanEqual:
- return v.ir.ILessThanEqual(operand, zero, is_signed);
- case ComparisonOp::GreaterThan:
- return v.ir.IGreaterThan(operand, zero, is_signed);
- case ComparisonOp::NotEqual:
- return v.ir.INotEqual(operand, zero);
- case ComparisonOp::GreaterThanEqual:
- return v.ir.IGreaterThanEqual(operand, zero, is_signed);
- case ComparisonOp::True:
- return v.ir.Imm1(true);
- default:
- throw NotImplementedException("ICMP.CMP");
- }
-}
-
void ICMP(TranslatorVisitor& v, u64 insn, const IR::U32& src_a, const IR::U32& operand) {
union {
u64 insn;
@@ -55,7 +20,7 @@ void ICMP(TranslatorVisitor& v, u64 insn, const IR::U32& src_a, const IR::U32& o
const IR::U32 zero{v.ir.Imm32(0)};
const bool is_signed{icmp.is_signed != 0};
- const IR::U1 cmp_result{CompareToZero(v, operand, icmp.compare_op, is_signed)};
+ const IR::U1 cmp_result{IntegerCompare(v, operand, zero, icmp.compare_op, is_signed)};
const IR::U32 src_reg{v.X(icmp.src_reg)};
const IR::U32 result{v.ir.Select(cmp_result, src_reg, src_a)};
diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/integer_compare_and_set.cpp b/src/shader_recompiler/frontend/maxwell/translate/impl/integer_compare_and_set.cpp
new file mode 100644
index 000000000..b6a7b593d
--- /dev/null
+++ b/src/shader_recompiler/frontend/maxwell/translate/impl/integer_compare_and_set.cpp
@@ -0,0 +1,62 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/bit_field.h"
+#include "common/common_types.h"
+#include "shader_recompiler/frontend/maxwell/translate/impl/common_funcs.h"
+#include "shader_recompiler/frontend/maxwell/translate/impl/impl.h"
+
+namespace Shader::Maxwell {
+namespace {
+void ISET(TranslatorVisitor& v, u64 insn, const IR::U32& src_a) {
+ union {
+ u64 insn;
+ BitField<0, 8, IR::Reg> dest_reg;
+ BitField<8, 8, IR::Reg> src_reg;
+ BitField<39, 3, IR::Pred> pred;
+ BitField<42, 1, u64> neg_pred;
+ BitField<43, 1, u64> x;
+ BitField<44, 1, u64> bf;
+ BitField<45, 2, BooleanOp> bop;
+ BitField<48, 1, u64> is_signed;
+ BitField<49, 3, ComparisonOp> compare_op;
+ } const iset{insn};
+
+ if (iset.x != 0) {
+ throw NotImplementedException("ISET.X");
+ }
+
+ const IR::U32 src_reg{v.X(iset.src_reg)};
+ const bool is_signed{iset.is_signed != 0};
+ IR::U1 pred{v.ir.GetPred(iset.pred)};
+ if (iset.neg_pred != 0) {
+ pred = v.ir.LogicalNot(pred);
+ }
+ const IR::U1 cmp_result{IntegerCompare(v, src_reg, src_a, iset.compare_op, is_signed)};
+ const IR::U1 bop_result{PredicateCombine(v, cmp_result, pred, iset.bop)};
+
+ const IR::U32 one_mask{v.ir.Imm32(-1)};
+ const IR::U32 fp_one{v.ir.Imm32(0x3f800000)};
+ const IR::U32 fail_result{v.ir.Imm32(0)};
+ const IR::U32 pass_result{iset.bf == 0 ? one_mask : fp_one};
+
+ const IR::U32 result{v.ir.Select(bop_result, pass_result, fail_result)};
+
+ v.X(iset.dest_reg, result);
+}
+} // Anonymous namespace
+
+void TranslatorVisitor::ISET_reg(u64 insn) {
+ ISET(*this, insn, GetReg20(insn));
+}
+
+void TranslatorVisitor::ISET_cbuf(u64 insn) {
+ ISET(*this, insn, GetCbuf(insn));
+}
+
+void TranslatorVisitor::ISET_imm(u64 insn) {
+ ISET(*this, insn, GetImm20(insn));
+}
+
+} // namespace Shader::Maxwell
diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/integer_minimum_maximum.cpp b/src/shader_recompiler/frontend/maxwell/translate/impl/integer_minimum_maximum.cpp
index 5303db612..40f14ab8a 100644
--- a/src/shader_recompiler/frontend/maxwell/translate/impl/integer_minimum_maximum.cpp
+++ b/src/shader_recompiler/frontend/maxwell/translate/impl/integer_minimum_maximum.cpp
@@ -23,7 +23,7 @@ void IMNMX(TranslatorVisitor& v, u64 insn, const IR::U32& op_b) {
throw NotImplementedException("IMNMX.MODE");
}
- IR::U1 pred{v.ir.GetPred(imnmx.pred)};
+ const IR::U1 pred{v.ir.GetPred(imnmx.pred)};
const IR::U32 op_a{v.X(imnmx.src_reg)};
IR::U32 min;
IR::U32 max;
diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/not_implemented.cpp b/src/shader_recompiler/frontend/maxwell/translate/impl/not_implemented.cpp
index 8d4044ee8..f327e6fa5 100644
--- a/src/shader_recompiler/frontend/maxwell/translate/impl/not_implemented.cpp
+++ b/src/shader_recompiler/frontend/maxwell/translate/impl/not_implemented.cpp
@@ -457,18 +457,6 @@ void TranslatorVisitor::ISBERD(u64) {
ThrowNotImplemented(Opcode::ISBERD);
}
-void TranslatorVisitor::ISET_reg(u64) {
- ThrowNotImplemented(Opcode::ISET_reg);
-}
-
-void TranslatorVisitor::ISET_cbuf(u64) {
- ThrowNotImplemented(Opcode::ISET_cbuf);
-}
-
-void TranslatorVisitor::ISET_imm(u64) {
- ThrowNotImplemented(Opcode::ISET_imm);
-}
-
void TranslatorVisitor::JCAL(u64) {
ThrowNotImplemented(Opcode::JCAL);
}