summaryrefslogtreecommitdiffstats
path: root/src/video_core/shader/decode/half_set_predicate.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/video_core/shader/decode/half_set_predicate.cpp')
-rw-r--r--src/video_core/shader/decode/half_set_predicate.cpp80
1 files changed, 0 insertions, 80 deletions
diff --git a/src/video_core/shader/decode/half_set_predicate.cpp b/src/video_core/shader/decode/half_set_predicate.cpp
deleted file mode 100644
index 310655619..000000000
--- a/src/video_core/shader/decode/half_set_predicate.cpp
+++ /dev/null
@@ -1,80 +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::Instruction;
-using Tegra::Shader::OpCode;
-using Tegra::Shader::Pred;
-
-u32 ShaderIR::DecodeHalfSetPredicate(NodeBlock& bb, u32 pc) {
- const Instruction instr = {program_code[pc]};
- const auto opcode = OpCode::Decode(instr);
-
- if (instr.hsetp2.ftz != 0) {
- LOG_DEBUG(HW_GPU, "{} without FTZ is not implemented", opcode->get().GetName());
- }
-
- Node op_a = UnpackHalfFloat(GetRegister(instr.gpr8), instr.hsetp2.type_a);
- op_a = GetOperandAbsNegHalf(op_a, instr.hsetp2.abs_a, instr.hsetp2.negate_a);
-
- Tegra::Shader::PredCondition cond{};
- bool h_and{};
- Node op_b{};
- switch (opcode->get().GetId()) {
- case OpCode::Id::HSETP2_C:
- cond = instr.hsetp2.cbuf_and_imm.cond;
- h_and = instr.hsetp2.cbuf_and_imm.h_and;
- op_b = GetOperandAbsNegHalf(GetConstBuffer(instr.cbuf34.index, instr.cbuf34.GetOffset()),
- instr.hsetp2.cbuf.abs_b, instr.hsetp2.cbuf.negate_b);
- // F32 is hardcoded in hardware
- op_b = UnpackHalfFloat(std::move(op_b), Tegra::Shader::HalfType::F32);
- break;
- case OpCode::Id::HSETP2_IMM:
- cond = instr.hsetp2.cbuf_and_imm.cond;
- h_and = instr.hsetp2.cbuf_and_imm.h_and;
- op_b = UnpackHalfImmediate(instr, true);
- break;
- case OpCode::Id::HSETP2_R:
- cond = instr.hsetp2.reg.cond;
- h_and = instr.hsetp2.reg.h_and;
- op_b =
- GetOperandAbsNegHalf(UnpackHalfFloat(GetRegister(instr.gpr20), instr.hsetp2.reg.type_b),
- instr.hsetp2.reg.abs_b, instr.hsetp2.reg.negate_b);
- break;
- default:
- UNREACHABLE();
- op_b = Immediate(0);
- }
-
- const OperationCode combiner = GetPredicateCombiner(instr.hsetp2.op);
- const Node combined_pred = GetPredicate(instr.hsetp2.pred39, instr.hsetp2.neg_pred);
-
- const auto Write = [&](u64 dest, Node src) {
- SetPredicate(bb, dest, Operation(combiner, std::move(src), combined_pred));
- };
-
- const Node comparison = GetPredicateComparisonHalf(cond, op_a, op_b);
- const u64 first = instr.hsetp2.pred3;
- const u64 second = instr.hsetp2.pred0;
- if (h_and) {
- Node joined = Operation(OperationCode::LogicalAnd2, comparison);
- Write(first, joined);
- Write(second, Operation(OperationCode::LogicalNegate, std::move(joined)));
- } else {
- Write(first, Operation(OperationCode::LogicalPick2, comparison, Immediate(0U)));
- Write(second, Operation(OperationCode::LogicalPick2, comparison, Immediate(1U)));
- }
-
- return pc;
-}
-
-} // namespace VideoCommon::Shader