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-rw-r--r--src/video_core/shader/decode/warp.cpp117
1 files changed, 0 insertions, 117 deletions
diff --git a/src/video_core/shader/decode/warp.cpp b/src/video_core/shader/decode/warp.cpp
deleted file mode 100644
index 37433d783..000000000
--- a/src/video_core/shader/decode/warp.cpp
+++ /dev/null
@@ -1,117 +0,0 @@
-// Copyright 2019 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 "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::Instruction;
-using Tegra::Shader::OpCode;
-using Tegra::Shader::Pred;
-using Tegra::Shader::ShuffleOperation;
-using Tegra::Shader::VoteOperation;
-
-namespace {
-
-OperationCode GetOperationCode(VoteOperation vote_op) {
- switch (vote_op) {
- case VoteOperation::All:
- return OperationCode::VoteAll;
- case VoteOperation::Any:
- return OperationCode::VoteAny;
- case VoteOperation::Eq:
- return OperationCode::VoteEqual;
- default:
- UNREACHABLE_MSG("Invalid vote operation={}", vote_op);
- return OperationCode::VoteAll;
- }
-}
-
-} // Anonymous namespace
-
-u32 ShaderIR::DecodeWarp(NodeBlock& bb, u32 pc) {
- const Instruction instr = {program_code[pc]};
- const auto opcode = OpCode::Decode(instr);
-
- // Signal the backend that this shader uses warp instructions.
- uses_warps = true;
-
- switch (opcode->get().GetId()) {
- case OpCode::Id::VOTE: {
- const Node value = GetPredicate(instr.vote.value, instr.vote.negate_value != 0);
- const Node active = Operation(OperationCode::BallotThread, value);
- const Node vote = Operation(GetOperationCode(instr.vote.operation), value);
- SetRegister(bb, instr.gpr0, active);
- SetPredicate(bb, instr.vote.dest_pred, vote);
- break;
- }
- case OpCode::Id::SHFL: {
- Node mask = instr.shfl.is_mask_imm ? Immediate(static_cast<u32>(instr.shfl.mask_imm))
- : GetRegister(instr.gpr39);
- Node index = instr.shfl.is_index_imm ? Immediate(static_cast<u32>(instr.shfl.index_imm))
- : GetRegister(instr.gpr20);
-
- Node thread_id = Operation(OperationCode::ThreadId);
- Node clamp = Operation(OperationCode::IBitwiseAnd, mask, Immediate(0x1FU));
- Node seg_mask = BitfieldExtract(mask, 8, 16);
-
- Node neg_seg_mask = Operation(OperationCode::IBitwiseNot, seg_mask);
- Node min_thread_id = Operation(OperationCode::IBitwiseAnd, thread_id, seg_mask);
- Node max_thread_id = Operation(OperationCode::IBitwiseOr, min_thread_id,
- Operation(OperationCode::IBitwiseAnd, clamp, neg_seg_mask));
-
- Node src_thread_id = [instr, index, neg_seg_mask, min_thread_id, thread_id] {
- switch (instr.shfl.operation) {
- case ShuffleOperation::Idx:
- return Operation(OperationCode::IBitwiseOr,
- Operation(OperationCode::IBitwiseAnd, index, neg_seg_mask),
- min_thread_id);
- case ShuffleOperation::Down:
- return Operation(OperationCode::IAdd, thread_id, index);
- case ShuffleOperation::Up:
- return Operation(OperationCode::IAdd, thread_id,
- Operation(OperationCode::INegate, index));
- case ShuffleOperation::Bfly:
- return Operation(OperationCode::IBitwiseXor, thread_id, index);
- }
- UNREACHABLE();
- return Immediate(0U);
- }();
-
- Node in_bounds = [instr, src_thread_id, min_thread_id, max_thread_id] {
- if (instr.shfl.operation == ShuffleOperation::Up) {
- return Operation(OperationCode::LogicalIGreaterEqual, src_thread_id, min_thread_id);
- } else {
- return Operation(OperationCode::LogicalILessEqual, src_thread_id, max_thread_id);
- }
- }();
-
- SetPredicate(bb, instr.shfl.pred48, in_bounds);
- SetRegister(
- bb, instr.gpr0,
- Operation(OperationCode::ShuffleIndexed, GetRegister(instr.gpr8), src_thread_id));
- break;
- }
- case OpCode::Id::FSWZADD: {
- UNIMPLEMENTED_IF(instr.fswzadd.ndv);
-
- Node op_a = GetRegister(instr.gpr8);
- Node op_b = GetRegister(instr.gpr20);
- Node mask = Immediate(static_cast<u32>(instr.fswzadd.swizzle));
- SetRegister(bb, instr.gpr0, Operation(OperationCode::FSwizzleAdd, op_a, op_b, mask));
- break;
- }
- default:
- UNIMPLEMENTED_MSG("Unhandled warp instruction: {}", opcode->get().GetName());
- break;
- }
-
- return pc;
-}
-
-} // namespace VideoCommon::Shader