2018-12-20 17:09:21 -05:00
|
|
|
// Copyright 2018 yuzu Emulator Project
|
|
|
|
// Licensed under GPLv2 or any later version
|
|
|
|
// Refer to the license.txt file included.
|
|
|
|
|
|
|
|
#include <cmath>
|
|
|
|
#include <unordered_map>
|
|
|
|
|
|
|
|
#include "common/assert.h"
|
|
|
|
#include "common/common_types.h"
|
|
|
|
#include "video_core/engines/shader_bytecode.h"
|
|
|
|
#include "video_core/shader/shader_ir.h"
|
|
|
|
|
|
|
|
namespace VideoCommon::Shader {
|
|
|
|
|
|
|
|
using Tegra::Shader::Attribute;
|
|
|
|
using Tegra::Shader::Instruction;
|
|
|
|
using Tegra::Shader::IpaMode;
|
|
|
|
using Tegra::Shader::Pred;
|
|
|
|
using Tegra::Shader::PredCondition;
|
|
|
|
using Tegra::Shader::PredOperation;
|
|
|
|
using Tegra::Shader::Register;
|
|
|
|
|
|
|
|
Node ShaderIR::StoreNode(NodeData&& node_data) {
|
|
|
|
auto store = std::make_unique<NodeData>(node_data);
|
|
|
|
const Node node = store.get();
|
|
|
|
stored_nodes.push_back(std::move(store));
|
|
|
|
return node;
|
|
|
|
}
|
|
|
|
|
|
|
|
Node ShaderIR::Conditional(Node condition, std::vector<Node>&& code) {
|
|
|
|
return StoreNode(ConditionalNode(condition, std::move(code)));
|
|
|
|
}
|
|
|
|
|
|
|
|
Node ShaderIR::Comment(const std::string& text) {
|
|
|
|
return StoreNode(CommentNode(text));
|
|
|
|
}
|
|
|
|
|
2018-12-20 20:36:17 -05:00
|
|
|
Node ShaderIR::Immediate(u32 value) {
|
|
|
|
return StoreNode(ImmediateNode(value));
|
|
|
|
}
|
|
|
|
|
2018-12-20 20:41:31 -05:00
|
|
|
Node ShaderIR::GetRegister(Register reg) {
|
|
|
|
if (reg != Register::ZeroIndex) {
|
|
|
|
used_registers.insert(static_cast<u32>(reg));
|
|
|
|
}
|
|
|
|
return StoreNode(GprNode(reg));
|
|
|
|
}
|
|
|
|
|
2018-12-20 20:36:17 -05:00
|
|
|
Node ShaderIR::GetImmediate19(Instruction instr) {
|
|
|
|
return Immediate(instr.alu.GetImm20_19());
|
|
|
|
}
|
|
|
|
|
|
|
|
Node ShaderIR::GetImmediate32(Instruction instr) {
|
|
|
|
return Immediate(instr.alu.GetImm20_32());
|
|
|
|
}
|
|
|
|
|
2018-12-20 20:42:47 -05:00
|
|
|
Node ShaderIR::GetConstBuffer(u64 index_, u64 offset_) {
|
|
|
|
const auto index = static_cast<u32>(index_);
|
|
|
|
const auto offset = static_cast<u32>(offset_);
|
|
|
|
|
|
|
|
const auto [entry, is_new] = used_cbufs.try_emplace(index);
|
|
|
|
entry->second.MarkAsUsed(offset);
|
|
|
|
|
|
|
|
return StoreNode(CbufNode(index, Immediate(offset)));
|
|
|
|
}
|
|
|
|
|
|
|
|
Node ShaderIR::GetConstBufferIndirect(u64 index_, u64 offset_, Node node) {
|
|
|
|
const auto index = static_cast<u32>(index_);
|
|
|
|
const auto offset = static_cast<u32>(offset_);
|
|
|
|
|
|
|
|
const auto [entry, is_new] = used_cbufs.try_emplace(index);
|
|
|
|
entry->second.MarkAsUsedIndirect();
|
|
|
|
|
|
|
|
const Node final_offset = Operation(OperationCode::UAdd, NO_PRECISE, node, Immediate(offset));
|
|
|
|
return StoreNode(CbufNode(index, final_offset));
|
|
|
|
}
|
|
|
|
|
2018-12-20 17:09:21 -05:00
|
|
|
Node ShaderIR::GetPredicate(u64 pred_, bool negated) {
|
|
|
|
const auto pred = static_cast<Pred>(pred_);
|
|
|
|
if (pred != Pred::UnusedIndex && pred != Pred::NeverExecute) {
|
|
|
|
used_predicates.insert(pred);
|
|
|
|
}
|
|
|
|
|
|
|
|
return StoreNode(PredicateNode(pred, negated));
|
|
|
|
}
|
|
|
|
|
2018-12-20 20:36:17 -05:00
|
|
|
Node ShaderIR::GetPredicate(bool immediate) {
|
|
|
|
return GetPredicate(static_cast<u64>(immediate ? Pred::UnusedIndex : Pred::NeverExecute));
|
|
|
|
}
|
|
|
|
|
2018-12-20 20:45:34 -05:00
|
|
|
Node ShaderIR::GetInputAttribute(Attribute::Index index, u64 element,
|
|
|
|
const Tegra::Shader::IpaMode& input_mode, Node buffer) {
|
|
|
|
const auto [entry, is_new] =
|
|
|
|
used_input_attributes.emplace(std::make_pair(index, std::set<Tegra::Shader::IpaMode>{}));
|
|
|
|
entry->second.insert(input_mode);
|
|
|
|
|
|
|
|
return StoreNode(AbufNode(index, static_cast<u32>(element), input_mode, buffer));
|
|
|
|
}
|
|
|
|
|
|
|
|
Node ShaderIR::GetOutputAttribute(Attribute::Index index, u64 element, Node buffer) {
|
|
|
|
if (index == Attribute::Index::ClipDistances0123 ||
|
|
|
|
index == Attribute::Index::ClipDistances4567) {
|
|
|
|
const auto clip_index =
|
|
|
|
static_cast<u32>((index == Attribute::Index::ClipDistances4567 ? 1 : 0) + element);
|
|
|
|
used_clip_distances.at(clip_index) = true;
|
|
|
|
}
|
|
|
|
used_output_attributes.insert(index);
|
|
|
|
|
|
|
|
return StoreNode(AbufNode(index, static_cast<u32>(element), buffer));
|
|
|
|
}
|
|
|
|
|
2018-12-20 20:49:59 -05:00
|
|
|
Node ShaderIR::GetInternalFlag(InternalFlag flag, bool negated) {
|
|
|
|
const Node node = StoreNode(InternalFlagNode(flag));
|
|
|
|
if (negated) {
|
|
|
|
return Operation(OperationCode::LogicalNegate, node);
|
|
|
|
}
|
|
|
|
return node;
|
|
|
|
}
|
|
|
|
|
2018-12-20 20:51:38 -05:00
|
|
|
Node ShaderIR::GetLocalMemory(Node address) {
|
|
|
|
return StoreNode(LmemNode(address));
|
|
|
|
}
|
|
|
|
|
2018-12-20 20:56:08 -05:00
|
|
|
Node ShaderIR::GetOperandAbsNegFloat(Node value, bool absolute, bool negate) {
|
|
|
|
if (absolute) {
|
|
|
|
value = Operation(OperationCode::FAbsolute, NO_PRECISE, value);
|
|
|
|
}
|
|
|
|
if (negate) {
|
|
|
|
value = Operation(OperationCode::FNegate, NO_PRECISE, value);
|
|
|
|
}
|
|
|
|
return value;
|
|
|
|
}
|
|
|
|
|
|
|
|
Node ShaderIR::GetSaturatedFloat(Node value, bool saturate) {
|
|
|
|
if (!saturate) {
|
|
|
|
return value;
|
|
|
|
}
|
|
|
|
const Node positive_zero = Immediate(std::copysignf(0, 1));
|
|
|
|
const Node positive_one = Immediate(1.0f);
|
|
|
|
return Operation(OperationCode::FClamp, NO_PRECISE, value, positive_zero, positive_one);
|
|
|
|
}
|
|
|
|
|
2018-12-20 20:53:43 -05:00
|
|
|
void ShaderIR::SetRegister(BasicBlock& bb, Register dest, Node src) {
|
|
|
|
bb.push_back(Operation(OperationCode::Assign, GetRegister(dest), src));
|
|
|
|
}
|
|
|
|
|
|
|
|
void ShaderIR::SetPredicate(BasicBlock& bb, u64 dest, Node src) {
|
|
|
|
bb.push_back(Operation(OperationCode::LogicalAssign, GetPredicate(dest), src));
|
|
|
|
}
|
|
|
|
|
|
|
|
void ShaderIR::SetInternalFlag(BasicBlock& bb, InternalFlag flag, Node value) {
|
|
|
|
bb.push_back(Operation(OperationCode::LogicalAssign, GetInternalFlag(flag), value));
|
|
|
|
}
|
|
|
|
|
|
|
|
void ShaderIR::SetLocalMemory(BasicBlock& bb, Node address, Node value) {
|
|
|
|
bb.push_back(Operation(OperationCode::Assign, GetLocalMemory(address), value));
|
|
|
|
}
|
|
|
|
|
2018-12-20 17:09:21 -05:00
|
|
|
/*static*/ OperationCode ShaderIR::SignedToUnsignedCode(OperationCode operation_code,
|
|
|
|
bool is_signed) {
|
|
|
|
if (is_signed) {
|
|
|
|
return operation_code;
|
|
|
|
}
|
|
|
|
switch (operation_code) {
|
|
|
|
case OperationCode::FCastInteger:
|
|
|
|
return OperationCode::FCastUInteger;
|
|
|
|
case OperationCode::IAdd:
|
|
|
|
return OperationCode::UAdd;
|
|
|
|
case OperationCode::IMul:
|
|
|
|
return OperationCode::UMul;
|
|
|
|
case OperationCode::IDiv:
|
|
|
|
return OperationCode::UDiv;
|
|
|
|
case OperationCode::IMin:
|
|
|
|
return OperationCode::UMin;
|
|
|
|
case OperationCode::IMax:
|
|
|
|
return OperationCode::UMax;
|
|
|
|
case OperationCode::ICastFloat:
|
|
|
|
return OperationCode::UCastFloat;
|
|
|
|
case OperationCode::ICastUnsigned:
|
|
|
|
return OperationCode::UCastSigned;
|
|
|
|
case OperationCode::ILogicalShiftLeft:
|
|
|
|
return OperationCode::ULogicalShiftLeft;
|
|
|
|
case OperationCode::ILogicalShiftRight:
|
|
|
|
return OperationCode::ULogicalShiftRight;
|
|
|
|
case OperationCode::IArithmeticShiftRight:
|
|
|
|
return OperationCode::UArithmeticShiftRight;
|
|
|
|
case OperationCode::IBitwiseAnd:
|
|
|
|
return OperationCode::UBitwiseAnd;
|
|
|
|
case OperationCode::IBitwiseOr:
|
|
|
|
return OperationCode::UBitwiseOr;
|
|
|
|
case OperationCode::IBitwiseXor:
|
|
|
|
return OperationCode::UBitwiseXor;
|
|
|
|
case OperationCode::IBitwiseNot:
|
|
|
|
return OperationCode::UBitwiseNot;
|
|
|
|
case OperationCode::IBitfieldInsert:
|
|
|
|
return OperationCode::UBitfieldInsert;
|
|
|
|
case OperationCode::LogicalILessThan:
|
|
|
|
return OperationCode::LogicalULessThan;
|
|
|
|
case OperationCode::LogicalIEqual:
|
|
|
|
return OperationCode::LogicalUEqual;
|
|
|
|
case OperationCode::LogicalILessEqual:
|
|
|
|
return OperationCode::LogicalULessEqual;
|
|
|
|
case OperationCode::LogicalIGreaterThan:
|
|
|
|
return OperationCode::LogicalUGreaterThan;
|
|
|
|
case OperationCode::LogicalINotEqual:
|
|
|
|
return OperationCode::LogicalUNotEqual;
|
|
|
|
case OperationCode::LogicalIGreaterEqual:
|
|
|
|
return OperationCode::LogicalUGreaterEqual;
|
|
|
|
case OperationCode::INegate:
|
|
|
|
UNREACHABLE_MSG("Can't negate an unsigned integer");
|
|
|
|
case OperationCode::IAbsolute:
|
|
|
|
UNREACHABLE_MSG("Can't apply absolute to an unsigned integer");
|
|
|
|
}
|
|
|
|
UNREACHABLE_MSG("Unknown signed operation with code={}", static_cast<u32>(operation_code));
|
|
|
|
}
|
|
|
|
|
|
|
|
} // namespace VideoCommon::Shader
|