forked from suyu/suyu
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.
53 lines
1.8 KiB
C++
53 lines
1.8 KiB
C++
// Copyright 2018 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include "common/assert.h"
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#include "common/common_types.h"
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#include "video_core/engines/shader_bytecode.h"
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#include "video_core/shader/node_helper.h"
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#include "video_core/shader/shader_ir.h"
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namespace VideoCommon::Shader {
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using Tegra::Shader::Instruction;
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using Tegra::Shader::OpCode;
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u32 ShaderIR::DecodeArithmeticImmediate(NodeBlock& bb, u32 pc) {
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const Instruction instr = {program_code[pc]};
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const auto opcode = OpCode::Decode(instr);
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switch (opcode->get().GetId()) {
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case OpCode::Id::MOV32_IMM: {
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SetRegister(bb, instr.gpr0, GetImmediate32(instr));
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break;
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}
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case OpCode::Id::FMUL32_IMM: {
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Node value =
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Operation(OperationCode::FMul, PRECISE, GetRegister(instr.gpr8), GetImmediate32(instr));
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value = GetSaturatedFloat(value, instr.fmul32.saturate);
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SetInternalFlagsFromFloat(bb, value, instr.op_32.generates_cc);
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SetRegister(bb, instr.gpr0, value);
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break;
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}
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case OpCode::Id::FADD32I: {
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const Node op_a = GetOperandAbsNegFloat(GetRegister(instr.gpr8), instr.fadd32i.abs_a,
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instr.fadd32i.negate_a);
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const Node op_b = GetOperandAbsNegFloat(GetImmediate32(instr), instr.fadd32i.abs_b,
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instr.fadd32i.negate_b);
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const Node value = Operation(OperationCode::FAdd, PRECISE, op_a, op_b);
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SetInternalFlagsFromFloat(bb, value, instr.op_32.generates_cc);
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SetRegister(bb, instr.gpr0, value);
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break;
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}
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default:
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UNIMPLEMENTED_MSG("Unhandled arithmetic immediate instruction: {}",
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opcode->get().GetName());
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}
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return pc;
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}
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} // namespace VideoCommon::Shader
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