summaryrefslogtreecommitdiffstats
path: root/src/video_core/shader/decode/arithmetic_half.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/video_core/shader/decode/arithmetic_half.cpp')
-rw-r--r--src/video_core/shader/decode/arithmetic_half.cpp101
1 files changed, 0 insertions, 101 deletions
diff --git a/src/video_core/shader/decode/arithmetic_half.cpp b/src/video_core/shader/decode/arithmetic_half.cpp
deleted file mode 100644
index 88103fede..000000000
--- a/src/video_core/shader/decode/arithmetic_half.cpp
+++ /dev/null
@@ -1,101 +0,0 @@
-// 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 "common/logging/log.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::HalfType;
-using Tegra::Shader::Instruction;
-using Tegra::Shader::OpCode;
-
-u32 ShaderIR::DecodeArithmeticHalf(NodeBlock& bb, u32 pc) {
- const Instruction instr = {program_code[pc]};
- const auto opcode = OpCode::Decode(instr);
-
- bool negate_a = false;
- bool negate_b = false;
- bool absolute_a = false;
- bool absolute_b = false;
-
- switch (opcode->get().GetId()) {
- case OpCode::Id::HADD2_R:
- if (instr.alu_half.ftz == 0) {
- LOG_DEBUG(HW_GPU, "{} without FTZ is not implemented", opcode->get().GetName());
- }
- negate_a = ((instr.value >> 43) & 1) != 0;
- negate_b = ((instr.value >> 31) & 1) != 0;
- absolute_a = ((instr.value >> 44) & 1) != 0;
- absolute_b = ((instr.value >> 30) & 1) != 0;
- break;
- case OpCode::Id::HADD2_C:
- if (instr.alu_half.ftz == 0) {
- LOG_DEBUG(HW_GPU, "{} without FTZ is not implemented", opcode->get().GetName());
- }
- negate_a = ((instr.value >> 43) & 1) != 0;
- negate_b = ((instr.value >> 56) & 1) != 0;
- absolute_a = ((instr.value >> 44) & 1) != 0;
- absolute_b = ((instr.value >> 54) & 1) != 0;
- break;
- case OpCode::Id::HMUL2_R:
- negate_a = ((instr.value >> 43) & 1) != 0;
- absolute_a = ((instr.value >> 44) & 1) != 0;
- absolute_b = ((instr.value >> 30) & 1) != 0;
- break;
- case OpCode::Id::HMUL2_C:
- negate_b = ((instr.value >> 31) & 1) != 0;
- absolute_a = ((instr.value >> 44) & 1) != 0;
- absolute_b = ((instr.value >> 54) & 1) != 0;
- break;
- default:
- UNREACHABLE();
- break;
- }
-
- Node op_a = UnpackHalfFloat(GetRegister(instr.gpr8), instr.alu_half.type_a);
- op_a = GetOperandAbsNegHalf(op_a, absolute_a, negate_a);
-
- auto [type_b, op_b] = [this, instr, opcode]() -> std::pair<HalfType, Node> {
- switch (opcode->get().GetId()) {
- case OpCode::Id::HADD2_C:
- case OpCode::Id::HMUL2_C:
- return {HalfType::F32, GetConstBuffer(instr.cbuf34.index, instr.cbuf34.GetOffset())};
- case OpCode::Id::HADD2_R:
- case OpCode::Id::HMUL2_R:
- return {instr.alu_half.type_b, GetRegister(instr.gpr20)};
- default:
- UNREACHABLE();
- return {HalfType::F32, Immediate(0)};
- }
- }();
- op_b = UnpackHalfFloat(op_b, type_b);
- op_b = GetOperandAbsNegHalf(op_b, absolute_b, negate_b);
-
- Node value = [this, opcode, op_a, op_b = op_b] {
- switch (opcode->get().GetId()) {
- case OpCode::Id::HADD2_C:
- case OpCode::Id::HADD2_R:
- return Operation(OperationCode::HAdd, PRECISE, op_a, op_b);
- case OpCode::Id::HMUL2_C:
- case OpCode::Id::HMUL2_R:
- return Operation(OperationCode::HMul, PRECISE, op_a, op_b);
- default:
- UNIMPLEMENTED_MSG("Unhandled half float instruction: {}", opcode->get().GetName());
- return Immediate(0);
- }
- }();
- value = GetSaturatedHalfFloat(value, instr.alu_half.saturate);
- value = HalfMerge(GetRegister(instr.gpr0), value, instr.alu_half.merge);
-
- SetRegister(bb, instr.gpr0, value);
-
- return pc;
-}
-
-} // namespace VideoCommon::Shader