summaryrefslogtreecommitdiffstats
path: root/src/video_core/shader/decode/hfma2.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/video_core/shader/decode/hfma2.cpp')
-rw-r--r--src/video_core/shader/decode/hfma2.cpp73
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