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video_core/macro_interpreter: Move impl class to the cpp file

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Keeps the implementation hidden from the intended API and lessens the
header dependencies on the interpreter's header.
This commit is contained in:
Lioncash 2022-01-25 14:03:46 -05:00
parent cfd9f7d25b
commit 81d1a1133d
2 changed files with 86 additions and 84 deletions
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92
src/video_core/macro/macro_interpreter.cpp
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@ -2,6 +2,9 @@
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <array>
#include <optional>
#include "common/assert.h"
#include "common/logging/log.h"
#include "common/microprofile.h"
@ -11,16 +14,81 @@
MICROPROFILE_DEFINE(MacroInterp, "GPU", "Execute macro interpreter", MP_RGB(128, 128, 192));
namespace Tegra {
MacroInterpreter::MacroInterpreter(Engines::Maxwell3D& maxwell3d_)
: MacroEngine{maxwell3d_}, maxwell3d{maxwell3d_} {}
namespace {
class MacroInterpreterImpl final : public CachedMacro {
public:
explicit MacroInterpreterImpl(Engines::Maxwell3D& maxwell3d_, const std::vector<u32>& code_)
: maxwell3d{maxwell3d_}, code{code_} {}
std::unique_ptr<CachedMacro> MacroInterpreter::Compile(const std::vector<u32>& code) {
return std::make_unique<MacroInterpreterImpl>(maxwell3d, code);
}
void Execute(const std::vector<u32>& params, u32 method) override;
MacroInterpreterImpl::MacroInterpreterImpl(Engines::Maxwell3D& maxwell3d_,
const std::vector<u32>& code_)
: maxwell3d{maxwell3d_}, code{code_} {}
private:
/// Resets the execution engine state, zeroing registers, etc.
void Reset();
/**
* Executes a single macro instruction located at the current program counter. Returns whether
* the interpreter should keep running.
*
* @param is_delay_slot Whether the current step is being executed due to a delay slot in a
* previous instruction.
*/
bool Step(bool is_delay_slot);
/// Calculates the result of an ALU operation. src_a OP src_b;
u32 GetALUResult(Macro::ALUOperation operation, u32 src_a, u32 src_b);
/// Performs the result operation on the input result and stores it in the specified register
/// (if necessary).
void ProcessResult(Macro::ResultOperation operation, u32 reg, u32 result);
/// Evaluates the branch condition and returns whether the branch should be taken or not.
bool EvaluateBranchCondition(Macro::BranchCondition cond, u32 value) const;
/// Reads an opcode at the current program counter location.
Macro::Opcode GetOpcode() const;
/// Returns the specified register's value. Register 0 is hardcoded to always return 0.
u32 GetRegister(u32 register_id) const;
/// Sets the register to the input value.
void SetRegister(u32 register_id, u32 value);
/// Sets the method address to use for the next Send instruction.
void SetMethodAddress(u32 address);
/// Calls a GPU Engine method with the input parameter.
void Send(u32 value);
/// Reads a GPU register located at the method address.
u32 Read(u32 method) const;
/// Returns the next parameter in the parameter queue.
u32 FetchParameter();
Engines::Maxwell3D& maxwell3d;
/// Current program counter
u32 pc{};
/// Program counter to execute at after the delay slot is executed.
std::optional<u32> delayed_pc;
/// General purpose macro registers.
std::array<u32, Macro::NUM_MACRO_REGISTERS> registers = {};
/// Method address to use for the next Send instruction.
Macro::MethodAddress method_address = {};
/// Input parameters of the current macro.
std::unique_ptr<u32[]> parameters;
std::size_t num_parameters = 0;
std::size_t parameters_capacity = 0;
/// Index of the next parameter that will be fetched by the 'parm' instruction.
u32 next_parameter_index = 0;
bool carry_flag = false;
const std::vector<u32>& code;
};
void MacroInterpreterImpl::Execute(const std::vector<u32>& params, u32 method) {
MICROPROFILE_SCOPE(MacroInterp);
@ -283,5 +351,13 @@ u32 MacroInterpreterImpl::FetchParameter() {
ASSERT(next_parameter_index < num_parameters);
return parameters[next_parameter_index++];
}
} // Anonymous namespace
MacroInterpreter::MacroInterpreter(Engines::Maxwell3D& maxwell3d_)
: MacroEngine{maxwell3d_}, maxwell3d{maxwell3d_} {}
std::unique_ptr<CachedMacro> MacroInterpreter::Compile(const std::vector<u32>& code) {
return std::make_unique<MacroInterpreterImpl>(maxwell3d, code);
}
} // namespace Tegra

78
src/video_core/macro/macro_interpreter.h
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@ -3,10 +3,9 @@
// Refer to the license.txt file included.
#pragma once
#include <array>
#include <optional>
#include <vector>
#include "common/bit_field.h"
#include "common/common_types.h"
#include "video_core/macro/macro.h"
@ -26,77 +25,4 @@ private:
Engines::Maxwell3D& maxwell3d;
};
class MacroInterpreterImpl : public CachedMacro {
public:
explicit MacroInterpreterImpl(Engines::Maxwell3D& maxwell3d_, const std::vector<u32>& code_);
void Execute(const std::vector<u32>& params, u32 method) override;
private:
/// Resets the execution engine state, zeroing registers, etc.
void Reset();
/**
* Executes a single macro instruction located at the current program counter. Returns whether
* the interpreter should keep running.
*
* @param is_delay_slot Whether the current step is being executed due to a delay slot in a
* previous instruction.
*/
bool Step(bool is_delay_slot);
/// Calculates the result of an ALU operation. src_a OP src_b;
u32 GetALUResult(Macro::ALUOperation operation, u32 src_a, u32 src_b);
/// Performs the result operation on the input result and stores it in the specified register
/// (if necessary).
void ProcessResult(Macro::ResultOperation operation, u32 reg, u32 result);
/// Evaluates the branch condition and returns whether the branch should be taken or not.
bool EvaluateBranchCondition(Macro::BranchCondition cond, u32 value) const;
/// Reads an opcode at the current program counter location.
Macro::Opcode GetOpcode() const;
/// Returns the specified register's value. Register 0 is hardcoded to always return 0.
u32 GetRegister(u32 register_id) const;
/// Sets the register to the input value.
void SetRegister(u32 register_id, u32 value);
/// Sets the method address to use for the next Send instruction.
void SetMethodAddress(u32 address);
/// Calls a GPU Engine method with the input parameter.
void Send(u32 value);
/// Reads a GPU register located at the method address.
u32 Read(u32 method) const;
/// Returns the next parameter in the parameter queue.
u32 FetchParameter();
Engines::Maxwell3D& maxwell3d;
/// Current program counter
u32 pc;
/// Program counter to execute at after the delay slot is executed.
std::optional<u32> delayed_pc;
/// General purpose macro registers.
std::array<u32, Macro::NUM_MACRO_REGISTERS> registers = {};
/// Method address to use for the next Send instruction.
Macro::MethodAddress method_address = {};
/// Input parameters of the current macro.
std::unique_ptr<u32[]> parameters;
std::size_t num_parameters = 0;
std::size_t parameters_capacity = 0;
/// Index of the next parameter that will be fetched by the 'parm' instruction.
u32 next_parameter_index = 0;
bool carry_flag = false;
const std::vector<u32>& code;
};
} // namespace Tegra