bf4dfb3ad4
Instead of having a vector of unique_ptr stored in a vector and returning star pointers to this, use shared_ptr. While changing initialization code, move it to a separate file when possible. This is a first step to allow code analysis and node generation beyond the ShaderIR class.
56 lines
1.8 KiB
C++
56 lines
1.8 KiB
C++
// Copyright 2018 yuzu Emulator Project
|
|
// Licensed under GPLv2 or any later version
|
|
// Refer to the license.txt file included.
|
|
|
|
#include "common/assert.h"
|
|
#include "common/common_types.h"
|
|
#include "video_core/engines/shader_bytecode.h"
|
|
#include "video_core/shader/node_helper.h"
|
|
#include "video_core/shader/shader_ir.h"
|
|
|
|
namespace VideoCommon::Shader {
|
|
|
|
using Tegra::Shader::Instruction;
|
|
using Tegra::Shader::OpCode;
|
|
|
|
u32 ShaderIR::DecodeShift(NodeBlock& bb, u32 pc) {
|
|
const Instruction instr = {program_code[pc]};
|
|
const auto opcode = OpCode::Decode(instr);
|
|
|
|
const Node op_a = GetRegister(instr.gpr8);
|
|
const Node op_b = [&]() {
|
|
if (instr.is_b_imm) {
|
|
return Immediate(instr.alu.GetSignedImm20_20());
|
|
} else if (instr.is_b_gpr) {
|
|
return GetRegister(instr.gpr20);
|
|
} else {
|
|
return GetConstBuffer(instr.cbuf34.index, instr.cbuf34.GetOffset());
|
|
}
|
|
}();
|
|
|
|
switch (opcode->get().GetId()) {
|
|
case OpCode::Id::SHR_C:
|
|
case OpCode::Id::SHR_R:
|
|
case OpCode::Id::SHR_IMM: {
|
|
const Node value = SignedOperation(OperationCode::IArithmeticShiftRight,
|
|
instr.shift.is_signed, PRECISE, op_a, op_b);
|
|
SetInternalFlagsFromInteger(bb, value, instr.generates_cc);
|
|
SetRegister(bb, instr.gpr0, value);
|
|
break;
|
|
}
|
|
case OpCode::Id::SHL_C:
|
|
case OpCode::Id::SHL_R:
|
|
case OpCode::Id::SHL_IMM: {
|
|
const Node value = Operation(OperationCode::ILogicalShiftLeft, PRECISE, op_a, op_b);
|
|
SetInternalFlagsFromInteger(bb, value, instr.generates_cc);
|
|
SetRegister(bb, instr.gpr0, value);
|
|
break;
|
|
}
|
|
default:
|
|
UNIMPLEMENTED_MSG("Unhandled shift instruction: {}", opcode->get().GetName());
|
|
}
|
|
|
|
return pc;
|
|
}
|
|
|
|
} // namespace VideoCommon::Shader
|