diff options
| -rw-r--r-- | src/video_core/shader/shader_ir.cpp | 120 |
1 files changed, 67 insertions, 53 deletions
diff --git a/src/video_core/shader/shader_ir.cpp b/src/video_core/shader/shader_ir.cpp index c1f2b88c8..b10d376cb 100644 --- a/src/video_core/shader/shader_ir.cpp +++ b/src/video_core/shader/shader_ir.cpp @@ -2,8 +2,9 @@ // Licensed under GPLv2 or any later version // Refer to the license.txt file included. +#include <algorithm> +#include <array> #include <cmath> -#include <unordered_map> #include "common/assert.h" #include "common/common_types.h" @@ -271,21 +272,24 @@ Node ShaderIR::GetSaturatedHalfFloat(Node value, bool saturate) { } Node ShaderIR::GetPredicateComparisonFloat(PredCondition condition, Node op_a, Node op_b) { - const std::unordered_map<PredCondition, OperationCode> PredicateComparisonTable = { - {PredCondition::LessThan, OperationCode::LogicalFLessThan}, - {PredCondition::Equal, OperationCode::LogicalFEqual}, - {PredCondition::LessEqual, OperationCode::LogicalFLessEqual}, - {PredCondition::GreaterThan, OperationCode::LogicalFGreaterThan}, - {PredCondition::NotEqual, OperationCode::LogicalFNotEqual}, - {PredCondition::GreaterEqual, OperationCode::LogicalFGreaterEqual}, - {PredCondition::LessThanWithNan, OperationCode::LogicalFLessThan}, - {PredCondition::NotEqualWithNan, OperationCode::LogicalFNotEqual}, - {PredCondition::LessEqualWithNan, OperationCode::LogicalFLessEqual}, - {PredCondition::GreaterThanWithNan, OperationCode::LogicalFGreaterThan}, - {PredCondition::GreaterEqualWithNan, OperationCode::LogicalFGreaterEqual}}; - - const auto comparison{PredicateComparisonTable.find(condition)}; - UNIMPLEMENTED_IF_MSG(comparison == PredicateComparisonTable.end(), + 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}, + }; + + 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); @@ -306,21 +310,24 @@ Node ShaderIR::GetPredicateComparisonFloat(PredCondition condition, Node op_a, N Node ShaderIR::GetPredicateComparisonInteger(PredCondition condition, bool is_signed, Node op_a, Node op_b) { - const std::unordered_map<PredCondition, OperationCode> PredicateComparisonTable = { - {PredCondition::LessThan, OperationCode::LogicalILessThan}, - {PredCondition::Equal, OperationCode::LogicalIEqual}, - {PredCondition::LessEqual, OperationCode::LogicalILessEqual}, - {PredCondition::GreaterThan, OperationCode::LogicalIGreaterThan}, - {PredCondition::NotEqual, OperationCode::LogicalINotEqual}, - {PredCondition::GreaterEqual, OperationCode::LogicalIGreaterEqual}, - {PredCondition::LessThanWithNan, OperationCode::LogicalILessThan}, - {PredCondition::NotEqualWithNan, OperationCode::LogicalINotEqual}, - {PredCondition::LessEqualWithNan, OperationCode::LogicalILessEqual}, - {PredCondition::GreaterThanWithNan, OperationCode::LogicalIGreaterThan}, - {PredCondition::GreaterEqualWithNan, OperationCode::LogicalIGreaterEqual}}; - - const auto comparison{PredicateComparisonTable.find(condition)}; - UNIMPLEMENTED_IF_MSG(comparison == PredicateComparisonTable.end(), + 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}, + }; + + 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 = SignedOperation(comparison->second, is_signed, NO_PRECISE, std::move(op_a), @@ -337,36 +344,43 @@ Node ShaderIR::GetPredicateComparisonInteger(PredCondition condition, bool is_si Node ShaderIR::GetPredicateComparisonHalf(Tegra::Shader::PredCondition condition, Node op_a, Node op_b) { - const std::unordered_map<PredCondition, OperationCode> PredicateComparisonTable = { - {PredCondition::LessThan, OperationCode::Logical2HLessThan}, - {PredCondition::Equal, OperationCode::Logical2HEqual}, - {PredCondition::LessEqual, OperationCode::Logical2HLessEqual}, - {PredCondition::GreaterThan, OperationCode::Logical2HGreaterThan}, - {PredCondition::NotEqual, OperationCode::Logical2HNotEqual}, - {PredCondition::GreaterEqual, OperationCode::Logical2HGreaterEqual}, - {PredCondition::LessThanWithNan, OperationCode::Logical2HLessThanWithNan}, - {PredCondition::NotEqualWithNan, OperationCode::Logical2HNotEqualWithNan}, - {PredCondition::LessEqualWithNan, OperationCode::Logical2HLessEqualWithNan}, - {PredCondition::GreaterThanWithNan, OperationCode::Logical2HGreaterThanWithNan}, - {PredCondition::GreaterEqualWithNan, OperationCode::Logical2HGreaterEqualWithNan}}; - - const auto comparison{PredicateComparisonTable.find(condition)}; - UNIMPLEMENTED_IF_MSG(comparison == PredicateComparisonTable.end(), + 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}, + }; + + 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"); return Operation(comparison->second, NO_PRECISE, std::move(op_a), std::move(op_b)); } OperationCode ShaderIR::GetPredicateCombiner(PredOperation operation) { - const std::unordered_map<PredOperation, OperationCode> PredicateOperationTable = { - {PredOperation::And, OperationCode::LogicalAnd}, - {PredOperation::Or, OperationCode::LogicalOr}, - {PredOperation::Xor, OperationCode::LogicalXor}, + static constexpr std::array operation_table{ + OperationCode::LogicalAnd, + OperationCode::LogicalOr, + OperationCode::LogicalXor, }; - const auto op = PredicateOperationTable.find(operation); - UNIMPLEMENTED_IF_MSG(op == PredicateOperationTable.end(), "Unknown predicate operation"); - return op->second; + const auto index = static_cast<std::size_t>(operation); + if (index >= operation_table.size()) { + UNIMPLEMENTED_MSG("Unknown predicate operation."); + return {}; + } + + return operation_table[index]; } Node ShaderIR::GetConditionCode(Tegra::Shader::ConditionCode cc) const { |