diff options
Diffstat (limited to 'src/video_core/shader/decode/hfma2.cpp')
-rw-r--r-- | src/video_core/shader/decode/hfma2.cpp | 73 |
1 files changed, 0 insertions, 73 deletions
diff --git a/src/video_core/shader/decode/hfma2.cpp b/src/video_core/shader/decode/hfma2.cpp deleted file mode 100644 index 5b44cb79c..000000000 --- a/src/video_core/shader/decode/hfma2.cpp +++ /dev/null @@ -1,73 +0,0 @@ -// Copyright 2018 yuzu Emulator Project -// Licensed under GPLv2 or any later version -// Refer to the license.txt file included. - -#include <tuple> - -#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::HalfPrecision; -using Tegra::Shader::HalfType; -using Tegra::Shader::Instruction; -using Tegra::Shader::OpCode; - -u32 ShaderIR::DecodeHfma2(NodeBlock& bb, u32 pc) { - const Instruction instr = {program_code[pc]}; - const auto opcode = OpCode::Decode(instr); - - if (opcode->get().GetId() == OpCode::Id::HFMA2_RR) { - DEBUG_ASSERT(instr.hfma2.rr.precision == HalfPrecision::None); - } else { - DEBUG_ASSERT(instr.hfma2.precision == HalfPrecision::None); - } - - constexpr auto identity = HalfType::H0_H1; - bool neg_b{}, neg_c{}; - auto [saturate, type_b, op_b, type_c, - op_c] = [&]() -> std::tuple<bool, HalfType, Node, HalfType, Node> { - switch (opcode->get().GetId()) { - case OpCode::Id::HFMA2_CR: - neg_b = instr.hfma2.negate_b; - neg_c = instr.hfma2.negate_c; - return {instr.hfma2.saturate, HalfType::F32, - GetConstBuffer(instr.cbuf34.index, instr.cbuf34.GetOffset()), - instr.hfma2.type_reg39, GetRegister(instr.gpr39)}; - case OpCode::Id::HFMA2_RC: - neg_b = instr.hfma2.negate_b; - neg_c = instr.hfma2.negate_c; - return {instr.hfma2.saturate, instr.hfma2.type_reg39, GetRegister(instr.gpr39), - HalfType::F32, GetConstBuffer(instr.cbuf34.index, instr.cbuf34.GetOffset())}; - case OpCode::Id::HFMA2_RR: - neg_b = instr.hfma2.rr.negate_b; - neg_c = instr.hfma2.rr.negate_c; - return {instr.hfma2.rr.saturate, instr.hfma2.type_b, GetRegister(instr.gpr20), - instr.hfma2.rr.type_c, GetRegister(instr.gpr39)}; - case OpCode::Id::HFMA2_IMM_R: - neg_c = instr.hfma2.negate_c; - return {instr.hfma2.saturate, identity, UnpackHalfImmediate(instr, true), - instr.hfma2.type_reg39, GetRegister(instr.gpr39)}; - default: - return {false, identity, Immediate(0), identity, Immediate(0)}; - } - }(); - - const Node op_a = UnpackHalfFloat(GetRegister(instr.gpr8), instr.hfma2.type_a); - op_b = GetOperandAbsNegHalf(UnpackHalfFloat(op_b, type_b), false, neg_b); - op_c = GetOperandAbsNegHalf(UnpackHalfFloat(op_c, type_c), false, neg_c); - - Node value = Operation(OperationCode::HFma, PRECISE, op_a, op_b, op_c); - value = GetSaturatedHalfFloat(value, saturate); - value = HalfMerge(GetRegister(instr.gpr0), value, instr.hfma2.merge); - - SetRegister(bb, instr.gpr0, value); - - return pc; -} - -} // namespace VideoCommon::Shader |