1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
|
// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <iomanip>
#include <sstream>
#include <QBoxLayout>
#include <QTreeView>
#include "video_core/shader/shader_interpreter.h"
#include "graphics_vertex_shader.h"
using nihstro::OpCode;
using nihstro::Instruction;
using nihstro::SourceRegister;
using nihstro::SwizzlePattern;
GraphicsVertexShaderModel::GraphicsVertexShaderModel(QObject* parent): QAbstractItemModel(parent) {
}
QModelIndex GraphicsVertexShaderModel::index(int row, int column, const QModelIndex& parent) const {
return createIndex(row, column);
}
QModelIndex GraphicsVertexShaderModel::parent(const QModelIndex& child) const {
return QModelIndex();
}
int GraphicsVertexShaderModel::columnCount(const QModelIndex& parent) const {
return 3;
}
int GraphicsVertexShaderModel::rowCount(const QModelIndex& parent) const {
return static_cast<int>(info.code.size());
}
QVariant GraphicsVertexShaderModel::headerData(int section, Qt::Orientation orientation, int role) const {
switch(role) {
case Qt::DisplayRole:
{
if (section == 0) {
return tr("Offset");
} else if (section == 1) {
return tr("Raw");
} else if (section == 2) {
return tr("Disassembly");
}
break;
}
}
return QVariant();
}
QVariant GraphicsVertexShaderModel::data(const QModelIndex& index, int role) const {
switch (role) {
case Qt::DisplayRole:
{
switch (index.column()) {
case 0:
if (info.HasLabel(index.row()))
return QString::fromStdString(info.GetLabel(index.row()));
return QString("%1").arg(4*index.row(), 4, 16, QLatin1Char('0'));
case 1:
return QString("%1").arg(info.code[index.row()].hex, 8, 16, QLatin1Char('0'));
case 2:
{
std::stringstream output;
output.flags(std::ios::hex);
Instruction instr = info.code[index.row()];
const SwizzlePattern& swizzle = info.swizzle_info[instr.common.operand_desc_id].pattern;
// longest known instruction name: "setemit "
output << std::setw(8) << std::left << instr.opcode.Value().GetInfo().name;
// e.g. "-c92.xyzw"
static auto print_input = [](std::stringstream& output, const SourceRegister& input,
bool negate, const std::string& swizzle_mask) {
output << std::setw(4) << std::right << (negate ? "-" : "") + input.GetName();
output << "." << swizzle_mask;
};
// e.g. "-c92[a0.x].xyzw"
static auto print_input_indexed = [](std::stringstream& output, const SourceRegister& input,
bool negate, const std::string& swizzle_mask,
const std::string& address_register_name) {
std::string relative_address;
if (!address_register_name.empty())
relative_address = "[" + address_register_name + "]";
output << std::setw(10) << std::right << (negate ? "-" : "") + input.GetName() + relative_address;
output << "." << swizzle_mask;
};
// Use print_input or print_input_indexed depending on whether relative addressing is used or not.
static auto print_input_indexed_compact = [](std::stringstream& output, const SourceRegister& input,
bool negate, const std::string& swizzle_mask,
const std::string& address_register_name) {
if (address_register_name.empty())
print_input(output, input, negate, swizzle_mask);
else
print_input_indexed(output, input, negate, swizzle_mask, address_register_name);
};
switch (instr.opcode.Value().GetInfo().type) {
case OpCode::Type::Trivial:
// Nothing to do here
break;
case OpCode::Type::Arithmetic:
{
// Use custom code for special instructions
switch (instr.opcode.Value().EffectiveOpCode()) {
case OpCode::Id::CMP:
{
// NOTE: CMP always writes both cc components, so we do not consider the dest mask here.
output << std::setw(4) << std::right << "cc.";
output << "xy ";
SourceRegister src1 = instr.common.GetSrc1(false);
SourceRegister src2 = instr.common.GetSrc2(false);
print_input_indexed_compact(output, src1, swizzle.negate_src1, swizzle.SelectorToString(false).substr(0,1), instr.common.AddressRegisterName());
output << " " << instr.common.compare_op.ToString(instr.common.compare_op.x) << " ";
print_input(output, src2, swizzle.negate_src2, swizzle.SelectorToString(false).substr(0,1));
output << ", ";
print_input_indexed_compact(output, src1, swizzle.negate_src1, swizzle.SelectorToString(false).substr(1,1), instr.common.AddressRegisterName());
output << " " << instr.common.compare_op.ToString(instr.common.compare_op.y) << " ";
print_input(output, src2, swizzle.negate_src2, swizzle.SelectorToString(false).substr(1,1));
break;
}
default:
{
bool src_is_inverted = 0 != (instr.opcode.Value().GetInfo().subtype & OpCode::Info::SrcInversed);
if (instr.opcode.Value().GetInfo().subtype & OpCode::Info::Dest) {
// e.g. "r12.xy__"
output << std::setw(4) << std::right << instr.common.dest.Value().GetName() + ".";
output << swizzle.DestMaskToString();
} else if (instr.opcode.Value().GetInfo().subtype == OpCode::Info::MOVA) {
output << std::setw(4) << std::right << "a0.";
output << swizzle.DestMaskToString();
} else {
output << " ";
}
output << " ";
if (instr.opcode.Value().GetInfo().subtype & OpCode::Info::Src1) {
SourceRegister src1 = instr.common.GetSrc1(src_is_inverted);
print_input_indexed(output, src1, swizzle.negate_src1, swizzle.SelectorToString(false), instr.common.AddressRegisterName());
} else {
output << " ";
}
// TODO: In some cases, the Address Register is used as an index for SRC2 instead of SRC1
if (instr.opcode.Value().GetInfo().subtype & OpCode::Info::Src2) {
SourceRegister src2 = instr.common.GetSrc2(src_is_inverted);
print_input(output, src2, swizzle.negate_src2, swizzle.SelectorToString(false));
}
break;
}
}
break;
}
case OpCode::Type::Conditional:
{
switch (instr.opcode.Value().EffectiveOpCode()) {
case OpCode::Id::LOOP:
output << "(unknown instruction format)";
break;
default:
output << "if ";
if (instr.opcode.Value().GetInfo().subtype & OpCode::Info::HasCondition) {
const char* ops[] = {
" || ", " && ", "", ""
};
if (instr.flow_control.op != instr.flow_control.JustY)
output << ((!instr.flow_control.refx) ? "!" : " ") << "cc.x";
output << ops[instr.flow_control.op];
if (instr.flow_control.op != instr.flow_control.JustX)
output << ((!instr.flow_control.refy) ? "!" : " ") << "cc.y";
output << " ";
} else if (instr.opcode.Value().GetInfo().subtype & OpCode::Info::HasUniformIndex) {
output << "b" << instr.flow_control.bool_uniform_id << " ";
}
u32 target_addr = instr.flow_control.dest_offset;
u32 target_addr_else = instr.flow_control.dest_offset;
if (instr.opcode.Value().GetInfo().subtype & OpCode::Info::HasAlternative) {
output << "else jump to 0x" << std::setw(4) << std::right << std::setfill('0') << 4 * instr.flow_control.dest_offset << " ";
} else if (instr.opcode.Value().GetInfo().subtype & OpCode::Info::HasExplicitDest) {
output << "jump to 0x" << std::setw(4) << std::right << std::setfill('0') << 4 * instr.flow_control.dest_offset << " ";
} else {
// TODO: Handle other cases
}
if (instr.opcode.Value().GetInfo().subtype & OpCode::Info::HasFinishPoint) {
output << "(return on " << std::setw(4) << std::right << std::setfill('0')
<< 4 * instr.flow_control.dest_offset + 4 * instr.flow_control.num_instructions << ")";
}
break;
}
break;
}
default:
output << "(unknown instruction format)";
break;
}
return QString::fromLatin1(output.str().c_str());
}
default:
break;
}
}
case Qt::FontRole:
return QFont("monospace");
default:
break;
}
return QVariant();
}
void GraphicsVertexShaderModel::OnUpdate()
{
beginResetModel();
info.Clear();
for (auto instr : Pica::g_state.vs.program_code)
info.code.push_back({instr});
for (auto pattern : Pica::g_state.vs.swizzle_data)
info.swizzle_info.push_back({pattern});
info.labels.insert({ Pica::g_state.regs.vs.main_offset, "main" });
endResetModel();
}
GraphicsVertexShaderWidget::GraphicsVertexShaderWidget(std::shared_ptr< Pica::DebugContext > debug_context,
QWidget* parent)
: BreakPointObserverDock(debug_context, "Pica Vertex Shader", parent) {
setObjectName("PicaVertexShader");
auto binary_model = new GraphicsVertexShaderModel(this);
auto binary_list = new QTreeView;
binary_list->setModel(binary_model);
binary_list->setRootIsDecorated(false);
binary_list->setAlternatingRowColors(true);
connect(this, SIGNAL(Update()), binary_model, SLOT(OnUpdate()));
auto main_widget = new QWidget;
auto main_layout = new QVBoxLayout;
{
auto sub_layout = new QHBoxLayout;
sub_layout->addWidget(binary_list);
main_layout->addLayout(sub_layout);
}
main_widget->setLayout(main_layout);
setWidget(main_widget);
}
void GraphicsVertexShaderWidget::OnBreakPointHit(Pica::DebugContext::Event event, void* data) {
emit Update();
widget()->setEnabled(true);
}
void GraphicsVertexShaderWidget::OnResumed() {
widget()->setEnabled(false);
}
|
