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authorReinUsesLisp <reinuseslisp@airmail.cc>2020-05-09 09:55:15 +0200
committerReinUsesLisp <reinuseslisp@airmail.cc>2020-05-09 09:55:15 +0200
commit4e57f9d5cfc32b37fe7b6a1563ca2101ec59887c (patch)
tree057619ab05268d2c757dda7f5cec30c319a56bcb /src/video_core/shader
parentMerge pull request #3879 from lioncash/global2 (diff)
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Diffstat (limited to 'src/video_core/shader')
-rw-r--r--src/video_core/shader/decode.cpp2
-rw-r--r--src/video_core/shader/decode/xmad.cpp12
-rw-r--r--src/video_core/shader/node.h21
-rw-r--r--src/video_core/shader/shader_ir.cpp109
4 files changed, 66 insertions, 78 deletions
diff --git a/src/video_core/shader/decode.cpp b/src/video_core/shader/decode.cpp
index a75a5cc63..eeac328a6 100644
--- a/src/video_core/shader/decode.cpp
+++ b/src/video_core/shader/decode.cpp
@@ -255,7 +255,7 @@ void ShaderIR::InsertControlFlow(NodeBlock& bb, const ShaderBlock& block) {
Node n = Operation(OperationCode::Branch, Immediate(branch_case.address));
Node op_b = Immediate(branch_case.cmp_value);
Node condition =
- GetPredicateComparisonInteger(Tegra::Shader::PredCondition::Equal, false, op_a, op_b);
+ GetPredicateComparisonInteger(Tegra::Shader::PredCondition::EQ, false, op_a, op_b);
auto result = Conditional(condition, {n});
bb.push_back(result);
global_code.push_back(result);
diff --git a/src/video_core/shader/decode/xmad.cpp b/src/video_core/shader/decode/xmad.cpp
index 6191ffba1..c83dc6615 100644
--- a/src/video_core/shader/decode/xmad.cpp
+++ b/src/video_core/shader/decode/xmad.cpp
@@ -97,19 +97,19 @@ u32 ShaderIR::DecodeXmad(NodeBlock& bb, u32 pc) {
return SignedOperation(OperationCode::IAdd, is_signed_c, original_c, shifted_b);
}
case Tegra::Shader::XmadMode::CSfu: {
- const Node comp_a = GetPredicateComparisonInteger(PredCondition::Equal, is_signed_a,
- op_a, Immediate(0));
- const Node comp_b = GetPredicateComparisonInteger(PredCondition::Equal, is_signed_b,
- op_b, Immediate(0));
+ const Node comp_a =
+ GetPredicateComparisonInteger(PredCondition::EQ, is_signed_a, op_a, Immediate(0));
+ const Node comp_b =
+ GetPredicateComparisonInteger(PredCondition::EQ, is_signed_b, op_b, Immediate(0));
const Node comp = Operation(OperationCode::LogicalOr, comp_a, comp_b);
const Node comp_minus_a = GetPredicateComparisonInteger(
- PredCondition::NotEqual, is_signed_a,
+ PredCondition::NE, is_signed_a,
SignedOperation(OperationCode::IBitwiseAnd, is_signed_a, op_a,
Immediate(0x80000000)),
Immediate(0));
const Node comp_minus_b = GetPredicateComparisonInteger(
- PredCondition::NotEqual, is_signed_b,
+ PredCondition::NE, is_signed_b,
SignedOperation(OperationCode::IBitwiseAnd, is_signed_b, op_b,
Immediate(0x80000000)),
Immediate(0));
diff --git a/src/video_core/shader/node.h b/src/video_core/shader/node.h
index 601c822d2..f75b62240 100644
--- a/src/video_core/shader/node.h
+++ b/src/video_core/shader/node.h
@@ -110,13 +110,20 @@ enum class OperationCode {
LogicalPick2, /// (bool2 pair, uint index) -> bool
LogicalAnd2, /// (bool2 a) -> bool
- LogicalFLessThan, /// (float a, float b) -> bool
- LogicalFEqual, /// (float a, float b) -> bool
- LogicalFLessEqual, /// (float a, float b) -> bool
- LogicalFGreaterThan, /// (float a, float b) -> bool
- LogicalFNotEqual, /// (float a, float b) -> bool
- LogicalFGreaterEqual, /// (float a, float b) -> bool
- LogicalFIsNan, /// (float a) -> bool
+ LogicalFOrdLessThan, /// (float a, float b) -> bool
+ LogicalFOrdEqual, /// (float a, float b) -> bool
+ LogicalFOrdLessEqual, /// (float a, float b) -> bool
+ LogicalFOrdGreaterThan, /// (float a, float b) -> bool
+ LogicalFOrdNotEqual, /// (float a, float b) -> bool
+ LogicalFOrdGreaterEqual, /// (float a, float b) -> bool
+ LogicalFOrdered, /// (float a, float b) -> bool
+ LogicalFUnordered, /// (float a, float b) -> bool
+ LogicalFUnordLessThan, /// (float a, float b) -> bool
+ LogicalFUnordEqual, /// (float a, float b) -> bool
+ LogicalFUnordLessEqual, /// (float a, float b) -> bool
+ LogicalFUnordGreaterThan, /// (float a, float b) -> bool
+ LogicalFUnordNotEqual, /// (float a, float b) -> bool
+ LogicalFUnordGreaterEqual, /// (float a, float b) -> bool
LogicalILessThan, /// (int a, int b) -> bool
LogicalIEqual, /// (int a, int b) -> bool
diff --git a/src/video_core/shader/shader_ir.cpp b/src/video_core/shader/shader_ir.cpp
index 822674926..e322c3402 100644
--- a/src/video_core/shader/shader_ir.cpp
+++ b/src/video_core/shader/shader_ir.cpp
@@ -10,6 +10,7 @@
#include "common/common_types.h"
#include "common/logging/log.h"
#include "video_core/engines/shader_bytecode.h"
+#include "video_core/shader/node.h"
#include "video_core/shader/node_helper.h"
#include "video_core/shader/registry.h"
#include "video_core/shader/shader_ir.h"
@@ -243,56 +244,44 @@ Node ShaderIR::GetSaturatedHalfFloat(Node value, bool saturate) {
}
Node ShaderIR::GetPredicateComparisonFloat(PredCondition condition, Node op_a, Node op_b) {
+ if (condition == PredCondition::T) {
+ return GetPredicate(true);
+ } else if (condition == PredCondition::F) {
+ return GetPredicate(false);
+ }
+
static constexpr std::array comparison_table{
- std::pair{PredCondition::LessThan, OperationCode::LogicalFLessThan},
- std::pair{PredCondition::Equal, OperationCode::LogicalFEqual},
- std::pair{PredCondition::LessEqual, OperationCode::LogicalFLessEqual},
- std::pair{PredCondition::GreaterThan, OperationCode::LogicalFGreaterThan},
- std::pair{PredCondition::NotEqual, OperationCode::LogicalFNotEqual},
- std::pair{PredCondition::GreaterEqual, OperationCode::LogicalFGreaterEqual},
- std::pair{PredCondition::LessThanWithNan, OperationCode::LogicalFLessThan},
- std::pair{PredCondition::NotEqualWithNan, OperationCode::LogicalFNotEqual},
- std::pair{PredCondition::LessEqualWithNan, OperationCode::LogicalFLessEqual},
- std::pair{PredCondition::GreaterThanWithNan, OperationCode::LogicalFGreaterThan},
- std::pair{PredCondition::GreaterEqualWithNan, OperationCode::LogicalFGreaterEqual},
+ OperationCode(0),
+ OperationCode::LogicalFOrdLessThan, // LT
+ OperationCode::LogicalFOrdEqual, // EQ
+ OperationCode::LogicalFOrdLessEqual, // LE
+ OperationCode::LogicalFOrdGreaterThan, // GT
+ OperationCode::LogicalFOrdNotEqual, // NE
+ OperationCode::LogicalFOrdGreaterEqual, // GE
+ OperationCode::LogicalFOrdered, // NUM
+ OperationCode::LogicalFUnordered, // NAN
+ OperationCode::LogicalFUnordLessThan, // LTU
+ OperationCode::LogicalFUnordEqual, // EQU
+ OperationCode::LogicalFUnordLessEqual, // LEU
+ OperationCode::LogicalFUnordGreaterThan, // GTU
+ OperationCode::LogicalFUnordNotEqual, // NEU
+ OperationCode::LogicalFUnordGreaterEqual, // GEU
};
+ const std::size_t index = static_cast<std::size_t>(condition);
+ ASSERT_MSG(index < std::size(comparison_table), "Invalid condition={}", index);
- const auto comparison =
- std::find_if(comparison_table.cbegin(), comparison_table.cend(),
- [condition](const auto entry) { return condition == entry.first; });
- UNIMPLEMENTED_IF_MSG(comparison == comparison_table.cend(),
- "Unknown predicate comparison operation");
-
- Node predicate = Operation(comparison->second, NO_PRECISE, op_a, op_b);
-
- if (condition == PredCondition::LessThanWithNan ||
- condition == PredCondition::NotEqualWithNan ||
- condition == PredCondition::LessEqualWithNan ||
- condition == PredCondition::GreaterThanWithNan ||
- condition == PredCondition::GreaterEqualWithNan) {
- predicate = Operation(OperationCode::LogicalOr, predicate,
- Operation(OperationCode::LogicalFIsNan, op_a));
- predicate = Operation(OperationCode::LogicalOr, predicate,
- Operation(OperationCode::LogicalFIsNan, op_b));
- }
-
- return predicate;
+ return Operation(comparison_table[index], op_a, op_b);
}
Node ShaderIR::GetPredicateComparisonInteger(PredCondition condition, bool is_signed, Node op_a,
Node op_b) {
static constexpr std::array comparison_table{
- std::pair{PredCondition::LessThan, OperationCode::LogicalILessThan},
- std::pair{PredCondition::Equal, OperationCode::LogicalIEqual},
- std::pair{PredCondition::LessEqual, OperationCode::LogicalILessEqual},
- std::pair{PredCondition::GreaterThan, OperationCode::LogicalIGreaterThan},
- std::pair{PredCondition::NotEqual, OperationCode::LogicalINotEqual},
- std::pair{PredCondition::GreaterEqual, OperationCode::LogicalIGreaterEqual},
- std::pair{PredCondition::LessThanWithNan, OperationCode::LogicalILessThan},
- std::pair{PredCondition::NotEqualWithNan, OperationCode::LogicalINotEqual},
- std::pair{PredCondition::LessEqualWithNan, OperationCode::LogicalILessEqual},
- std::pair{PredCondition::GreaterThanWithNan, OperationCode::LogicalIGreaterThan},
- std::pair{PredCondition::GreaterEqualWithNan, OperationCode::LogicalIGreaterEqual},
+ std::pair{PredCondition::LT, OperationCode::LogicalILessThan},
+ std::pair{PredCondition::EQ, OperationCode::LogicalIEqual},
+ std::pair{PredCondition::LE, OperationCode::LogicalILessEqual},
+ std::pair{PredCondition::GT, OperationCode::LogicalIGreaterThan},
+ std::pair{PredCondition::NE, OperationCode::LogicalINotEqual},
+ std::pair{PredCondition::GE, OperationCode::LogicalIGreaterEqual},
};
const auto comparison =
@@ -301,32 +290,24 @@ Node ShaderIR::GetPredicateComparisonInteger(PredCondition condition, bool is_si
UNIMPLEMENTED_IF_MSG(comparison == comparison_table.cend(),
"Unknown predicate comparison operation");
- Node predicate = SignedOperation(comparison->second, is_signed, NO_PRECISE, std::move(op_a),
- std::move(op_b));
-
- UNIMPLEMENTED_IF_MSG(condition == PredCondition::LessThanWithNan ||
- condition == PredCondition::NotEqualWithNan ||
- condition == PredCondition::LessEqualWithNan ||
- condition == PredCondition::GreaterThanWithNan ||
- condition == PredCondition::GreaterEqualWithNan,
- "NaN comparisons for integers are not implemented");
- return predicate;
+ return SignedOperation(comparison->second, is_signed, NO_PRECISE, std::move(op_a),
+ std::move(op_b));
}
Node ShaderIR::GetPredicateComparisonHalf(Tegra::Shader::PredCondition condition, Node op_a,
Node op_b) {
static constexpr std::array comparison_table{
- std::pair{PredCondition::LessThan, OperationCode::Logical2HLessThan},
- std::pair{PredCondition::Equal, OperationCode::Logical2HEqual},
- std::pair{PredCondition::LessEqual, OperationCode::Logical2HLessEqual},
- std::pair{PredCondition::GreaterThan, OperationCode::Logical2HGreaterThan},
- std::pair{PredCondition::NotEqual, OperationCode::Logical2HNotEqual},
- std::pair{PredCondition::GreaterEqual, OperationCode::Logical2HGreaterEqual},
- std::pair{PredCondition::LessThanWithNan, OperationCode::Logical2HLessThanWithNan},
- std::pair{PredCondition::NotEqualWithNan, OperationCode::Logical2HNotEqualWithNan},
- std::pair{PredCondition::LessEqualWithNan, OperationCode::Logical2HLessEqualWithNan},
- std::pair{PredCondition::GreaterThanWithNan, OperationCode::Logical2HGreaterThanWithNan},
- std::pair{PredCondition::GreaterEqualWithNan, OperationCode::Logical2HGreaterEqualWithNan},
+ std::pair{PredCondition::LT, OperationCode::Logical2HLessThan},
+ std::pair{PredCondition::EQ, OperationCode::Logical2HEqual},
+ std::pair{PredCondition::LE, OperationCode::Logical2HLessEqual},
+ std::pair{PredCondition::GT, OperationCode::Logical2HGreaterThan},
+ std::pair{PredCondition::NE, OperationCode::Logical2HNotEqual},
+ std::pair{PredCondition::GE, OperationCode::Logical2HGreaterEqual},
+ std::pair{PredCondition::LTU, OperationCode::Logical2HLessThanWithNan},
+ std::pair{PredCondition::LEU, OperationCode::Logical2HLessEqualWithNan},
+ std::pair{PredCondition::GTU, OperationCode::Logical2HGreaterThanWithNan},
+ std::pair{PredCondition::NEU, OperationCode::Logical2HNotEqualWithNan},
+ std::pair{PredCondition::GEU, OperationCode::Logical2HGreaterEqualWithNan},
};
const auto comparison =
@@ -397,7 +378,7 @@ void ShaderIR::SetInternalFlagsFromFloat(NodeBlock& bb, Node value, bool sets_cc
if (!sets_cc) {
return;
}
- Node zerop = Operation(OperationCode::LogicalFEqual, std::move(value), Immediate(0.0f));
+ Node zerop = Operation(OperationCode::LogicalFOrdEqual, std::move(value), Immediate(0.0f));
SetInternalFlag(bb, InternalFlag::Zero, std::move(zerop));
LOG_WARNING(HW_GPU, "Condition codes implementation is incomplete");
}