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citra-qt: Add texture viewer to Pica command list. 

The texture viewer is enabled when selecting a write command to one of the texture config registers.
This commit is contained in:
Tony Wasserka 2014-08-24 14:39:52 +02:00
parent c63a495de6
commit fd194d95b0
4 changed files with 116 additions and 22 deletions
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64
src/citra_qt/debugger/graphics_cmdlists.cpp
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@ -2,6 +2,7 @@
// Licensed under GPLv2
// Refer to the license.txt file included.
#include <QLabel>
#include <QListView>
#include <QPushButton>
#include <QVBoxLayout>
@ -9,6 +10,33 @@
#include "graphics_cmdlists.hxx"
#include "video_core/pica.h"
#include "video_core/math.h"
#include "video_core/debug_utils/debug_utils.h"
class TextureInfoWidget : public QWidget {
public:
TextureInfoWidget(u8* src, const Pica::DebugUtils::TextureInfo& info, QWidget* parent = nullptr) : QWidget(parent) {
QImage decoded_image(info.width, info.height, QImage::Format_ARGB32);
for (int y = 0; y < info.height; ++y) {
for (int x = 0; x < info.width; ++x) {
Math::Vec4<u8> color = Pica::DebugUtils::LookupTexture(src, x, y, info);
decoded_image.setPixel(x, y, qRgba(color.r(), color.g(), color.b(), color.a()));
}
}
QLabel* image_widget = new QLabel;
QPixmap image_pixmap = QPixmap::fromImage(decoded_image);
image_pixmap = image_pixmap.scaled(200, 100, Qt::KeepAspectRatio, Qt::SmoothTransformation);
image_widget->setPixmap(image_pixmap);
QVBoxLayout* layout = new QVBoxLayout;
layout->addWidget(image_widget);
setLayout(layout);
}
};
GPUCommandListModel::GPUCommandListModel(QObject* parent) : QAbstractListModel(parent)
{
@ -44,6 +72,8 @@ QVariant GPUCommandListModel::data(const QModelIndex& index, int role) const
}
return QVariant(content);
} else if (role == CommandIdRole) {
return QVariant::fromValue<int>(cmd.cmd_id.Value());
}
return QVariant();
@ -76,27 +106,59 @@ void GPUCommandListModel::OnPicaTraceFinished(const Pica::DebugUtils::PicaTrace&
endResetModel();
}
void GPUCommandListWidget::SetCommandInfo(const QModelIndex& index)
{
QWidget* new_info_widget;
#define COMMAND_IN_RANGE(cmd_id, reg_name) (cmd_id >= PICA_REG_INDEX(reg_name) && cmd_id < PICA_REG_INDEX(reg_name) + sizeof(decltype(Pica::registers.reg_name)) / 4)
const int command_id = list_widget->model()->data(index, GPUCommandListModel::CommandIdRole).toInt();
if (COMMAND_IN_RANGE(command_id, texture0)) {
u8* src = Memory::GetPointer(Pica::registers.texture0.GetPhysicalAddress());
Pica::DebugUtils::TextureInfo info;
info.width = Pica::registers.texture0.width;
info.height = Pica::registers.texture0.height;
info.stride = 3 * Pica::registers.texture0.width;
info.format = Pica::registers.texture0_format;
new_info_widget = new TextureInfoWidget(src, info);
} else {
new_info_widget = new QWidget;
}
#undef COMMAND_IN_RANGE
widget()->layout()->removeWidget(command_info_widget);
delete command_info_widget;
widget()->layout()->addWidget(new_info_widget);
command_info_widget = new_info_widget;
}
GPUCommandListWidget::GPUCommandListWidget(QWidget* parent) : QDockWidget(tr("Pica Command List"), parent)
{
setObjectName("Pica Command List");
GPUCommandListModel* model = new GPUCommandListModel(this);
QWidget* main_widget = new QWidget;
QTreeView* list_widget = new QTreeView;
list_widget = new QTreeView;
list_widget->setModel(model);
list_widget->setFont(QFont("monospace"));
list_widget->setRootIsDecorated(false);
connect(list_widget->selectionModel(), SIGNAL(currentChanged(const QModelIndex&,const QModelIndex&)),
this, SLOT(SetCommandInfo(const QModelIndex&)));
toggle_tracing = new QPushButton(tr("Start Tracing"));
connect(toggle_tracing, SIGNAL(clicked()), this, SLOT(OnToggleTracing()));
connect(this, SIGNAL(TracingFinished(const Pica::DebugUtils::PicaTrace&)),
model, SLOT(OnPicaTraceFinished(const Pica::DebugUtils::PicaTrace&)));
command_info_widget = new QWidget;
QVBoxLayout* main_layout = new QVBoxLayout;
main_layout->addWidget(list_widget);
main_layout->addWidget(toggle_tracing);
main_layout->addWidget(command_info_widget);
main_widget->setLayout(main_layout);
setWidget(main_widget);

8
src/citra_qt/debugger/graphics_cmdlists.hxx
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@ -11,12 +11,17 @@
#include "video_core/debug_utils/debug_utils.h"
class QPushButton;
class QTreeView;
class GPUCommandListModel : public QAbstractListModel
{
Q_OBJECT
public:
enum {
CommandIdRole = Qt::UserRole,
};
GPUCommandListModel(QObject* parent);
int columnCount(const QModelIndex& parent = QModelIndex()) const override;
@ -40,6 +45,7 @@ public:
public slots:
void OnToggleTracing();
void SetCommandInfo(const QModelIndex&);
signals:
void TracingFinished(const Pica::DebugUtils::PicaTrace&);
@ -47,5 +53,7 @@ signals:
private:
std::unique_ptr<Pica::DebugUtils::PicaTrace> pica_trace;
QTreeView* list_widget;
QWidget* command_info_widget;
QPushButton* toggle_tracing;
};

57
src/video_core/debug_utils/debug_utils.cpp
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@ -2,6 +2,8 @@
// Licensed under GPLv2
// Refer to the license.txt file included.
#include <cassert>
#include <algorithm>
#include <condition_variable>
#include <list>
@ -17,6 +19,7 @@
#include "common/log.h"
#include "common/file_util.h"
#include "video_core/math.h"
#include "video_core/pica.h"
#include "debug_utils.h"
@ -355,6 +358,30 @@ std::unique_ptr<PicaTrace> FinishPicaTracing()
return std::move(ret);
}
const Math::Vec4<u8> LookupTexture(const u8* source, int x, int y, const TextureInfo& info) {
assert(info.format == Pica::Regs::TextureFormat::RGB8);
// Cf. rasterizer code for an explanation of this algorithm.
int texel_index_within_tile = 0;
for (int block_size_index = 0; block_size_index < 3; ++block_size_index) {
int sub_tile_width = 1 << block_size_index;
int sub_tile_height = 1 << block_size_index;
int sub_tile_index = (x & sub_tile_width) << block_size_index;
sub_tile_index += 2 * ((y & sub_tile_height) << block_size_index);
texel_index_within_tile += sub_tile_index;
}
const int block_width = 8;
const int block_height = 8;
int coarse_x = (x / block_width) * block_width;
int coarse_y = (y / block_height) * block_height;
const u8* source_ptr = source + coarse_x * block_height * 3 + coarse_y * info.stride + texel_index_within_tile * 3;
return { source_ptr[2], source_ptr[1], source_ptr[0], 255 };
}
void DumpTexture(const Pica::Regs::TextureConfig& texture_config, u8* data) {
// NOTE: Permanently enabling this just trashes hard disks for no reason.
// Hence, this is currently disabled.
@ -420,27 +447,15 @@ void DumpTexture(const Pica::Regs::TextureConfig& texture_config, u8* data) {
buf = new u8[row_stride * texture_config.height];
for (unsigned y = 0; y < texture_config.height; ++y) {
for (unsigned x = 0; x < texture_config.width; ++x) {
// Cf. rasterizer code for an explanation of this algorithm.
int texel_index_within_tile = 0;
for (int block_size_index = 0; block_size_index < 3; ++block_size_index) {
int sub_tile_width = 1 << block_size_index;
int sub_tile_height = 1 << block_size_index;
int sub_tile_index = (x & sub_tile_width) << block_size_index;
sub_tile_index += 2 * ((y & sub_tile_height) << block_size_index);
texel_index_within_tile += sub_tile_index;
}
const int block_width = 8;
const int block_height = 8;
int coarse_x = (x / block_width) * block_width;
int coarse_y = (y / block_height) * block_height;
u8* source_ptr = (u8*)data + coarse_x * block_height * 3 + coarse_y * row_stride + texel_index_within_tile * 3;
buf[3 * x + y * row_stride ] = source_ptr[2];
buf[3 * x + y * row_stride + 1] = source_ptr[1];
buf[3 * x + y * row_stride + 2] = source_ptr[0];
TextureInfo info;
info.width = texture_config.width;
info.height = texture_config.height;
info.stride = row_stride;
info.format = registers.texture0_format;
Math::Vec4<u8> texture_color = LookupTexture(data, x, y, info);
buf[3 * x + y * row_stride ] = texture_color.r();
buf[3 * x + y * row_stride + 1] = texture_color.g();
buf[3 * x + y * row_stride + 2] = texture_color.b();
}
}

9
src/video_core/debug_utils/debug_utils.h
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@ -12,6 +12,7 @@
#include <mutex>
#include <vector>
#include "video_core/math.h"
#include "video_core/pica.h"
namespace Pica {
@ -190,6 +191,14 @@ bool IsPicaTracing();
void OnPicaRegWrite(u32 id, u32 value);
std::unique_ptr<PicaTrace> FinishPicaTracing();
struct TextureInfo {
int width;
int height;
int stride;
Pica::Regs::TextureFormat format;
};
const Math::Vec4<u8> LookupTexture(const u8* source, int x, int y, const TextureInfo& info);
void DumpTexture(const Pica::Regs::TextureConfig& texture_config, u8* data);
void DumpTevStageConfig(const std::array<Pica::Regs::TevStageConfig,6>& stages);