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Diffstat (limited to '')
-rw-r--r-- | src/video_core/shader/decode/arithmetic_half.cpp | 101 |
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 |