mirror of
https://github.com/citra-mirror/citra.git
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34c31db14a
- Centralizes color format encode/decode functions. - Fixes endianness issues. - Implements remaining framebuffer formats in the debugger.
243 lines
8.7 KiB
C++
243 lines
8.7 KiB
C++
// Copyright 2014 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <QBoxLayout>
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#include <QComboBox>
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#include <QDebug>
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#include <QLabel>
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#include <QPushButton>
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#include <QSpinBox>
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#include "core/hw/gpu.h"
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#include "video_core/color.h"
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#include "video_core/pica.h"
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#include "video_core/utils.h"
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#include "graphics_framebuffer.h"
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#include "util/spinbox.h"
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GraphicsFramebufferWidget::GraphicsFramebufferWidget(std::shared_ptr<Pica::DebugContext> debug_context,
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QWidget* parent)
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: BreakPointObserverDock(debug_context, tr("Pica Framebuffer"), parent),
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framebuffer_source(Source::PicaTarget)
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{
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setObjectName("PicaFramebuffer");
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framebuffer_source_list = new QComboBox;
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framebuffer_source_list->addItem(tr("Active Render Target"));
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framebuffer_source_list->addItem(tr("Custom"));
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framebuffer_source_list->setCurrentIndex(static_cast<int>(framebuffer_source));
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framebuffer_address_control = new CSpinBox;
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framebuffer_address_control->SetBase(16);
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framebuffer_address_control->SetRange(0, 0xFFFFFFFF);
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framebuffer_address_control->SetPrefix("0x");
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framebuffer_width_control = new QSpinBox;
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framebuffer_width_control->setMinimum(1);
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framebuffer_width_control->setMaximum(std::numeric_limits<int>::max()); // TODO: Find actual maximum
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framebuffer_height_control = new QSpinBox;
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framebuffer_height_control->setMinimum(1);
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framebuffer_height_control->setMaximum(std::numeric_limits<int>::max()); // TODO: Find actual maximum
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framebuffer_format_control = new QComboBox;
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framebuffer_format_control->addItem(tr("RGBA8"));
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framebuffer_format_control->addItem(tr("RGB8"));
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framebuffer_format_control->addItem(tr("RGB5A1"));
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framebuffer_format_control->addItem(tr("RGB565"));
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framebuffer_format_control->addItem(tr("RGBA4"));
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// TODO: This QLabel should shrink the image to the available space rather than just expanding...
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framebuffer_picture_label = new QLabel;
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auto enlarge_button = new QPushButton(tr("Enlarge"));
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// Connections
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connect(this, SIGNAL(Update()), this, SLOT(OnUpdate()));
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connect(framebuffer_source_list, SIGNAL(currentIndexChanged(int)), this, SLOT(OnFramebufferSourceChanged(int)));
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connect(framebuffer_address_control, SIGNAL(ValueChanged(qint64)), this, SLOT(OnFramebufferAddressChanged(qint64)));
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connect(framebuffer_width_control, SIGNAL(valueChanged(int)), this, SLOT(OnFramebufferWidthChanged(int)));
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connect(framebuffer_height_control, SIGNAL(valueChanged(int)), this, SLOT(OnFramebufferHeightChanged(int)));
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connect(framebuffer_format_control, SIGNAL(currentIndexChanged(int)), this, SLOT(OnFramebufferFormatChanged(int)));
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auto main_widget = new QWidget;
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auto main_layout = new QVBoxLayout;
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{
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auto sub_layout = new QHBoxLayout;
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sub_layout->addWidget(new QLabel(tr("Source:")));
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sub_layout->addWidget(framebuffer_source_list);
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main_layout->addLayout(sub_layout);
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}
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{
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auto sub_layout = new QHBoxLayout;
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sub_layout->addWidget(new QLabel(tr("Virtual Address:")));
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sub_layout->addWidget(framebuffer_address_control);
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main_layout->addLayout(sub_layout);
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}
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{
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auto sub_layout = new QHBoxLayout;
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sub_layout->addWidget(new QLabel(tr("Width:")));
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sub_layout->addWidget(framebuffer_width_control);
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main_layout->addLayout(sub_layout);
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}
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{
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auto sub_layout = new QHBoxLayout;
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sub_layout->addWidget(new QLabel(tr("Height:")));
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sub_layout->addWidget(framebuffer_height_control);
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main_layout->addLayout(sub_layout);
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}
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{
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auto sub_layout = new QHBoxLayout;
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sub_layout->addWidget(new QLabel(tr("Format:")));
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sub_layout->addWidget(framebuffer_format_control);
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main_layout->addLayout(sub_layout);
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}
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main_layout->addWidget(framebuffer_picture_label);
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main_layout->addWidget(enlarge_button);
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main_widget->setLayout(main_layout);
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setWidget(main_widget);
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// Load current data - TODO: Make sure this works when emulation is not running
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if (debug_context && debug_context->at_breakpoint)
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emit Update();
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widget()->setEnabled(false); // TODO: Only enable if currently at breakpoint
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}
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void GraphicsFramebufferWidget::OnBreakPointHit(Pica::DebugContext::Event event, void* data)
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{
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emit Update();
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widget()->setEnabled(true);
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}
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void GraphicsFramebufferWidget::OnResumed()
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{
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widget()->setEnabled(false);
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}
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void GraphicsFramebufferWidget::OnFramebufferSourceChanged(int new_value)
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{
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framebuffer_source = static_cast<Source>(new_value);
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emit Update();
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}
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void GraphicsFramebufferWidget::OnFramebufferAddressChanged(qint64 new_value)
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{
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if (framebuffer_address != new_value) {
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framebuffer_address = static_cast<unsigned>(new_value);
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framebuffer_source_list->setCurrentIndex(static_cast<int>(Source::Custom));
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emit Update();
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}
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}
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void GraphicsFramebufferWidget::OnFramebufferWidthChanged(int new_value)
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{
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if (framebuffer_width != static_cast<unsigned>(new_value)) {
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framebuffer_width = static_cast<unsigned>(new_value);
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framebuffer_source_list->setCurrentIndex(static_cast<int>(Source::Custom));
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emit Update();
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}
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}
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void GraphicsFramebufferWidget::OnFramebufferHeightChanged(int new_value)
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{
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if (framebuffer_height != static_cast<unsigned>(new_value)) {
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framebuffer_height = static_cast<unsigned>(new_value);
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framebuffer_source_list->setCurrentIndex(static_cast<int>(Source::Custom));
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emit Update();
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}
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}
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void GraphicsFramebufferWidget::OnFramebufferFormatChanged(int new_value)
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{
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if (framebuffer_format != static_cast<Format>(new_value)) {
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framebuffer_format = static_cast<Format>(new_value);
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framebuffer_source_list->setCurrentIndex(static_cast<int>(Source::Custom));
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emit Update();
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}
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}
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void GraphicsFramebufferWidget::OnUpdate()
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{
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QPixmap pixmap;
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switch (framebuffer_source) {
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case Source::PicaTarget:
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{
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// TODO: Store a reference to the registers in the debug context instead of accessing them directly...
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auto framebuffer = Pica::registers.framebuffer;
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using Framebuffer = decltype(framebuffer);
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framebuffer_address = framebuffer.GetColorBufferPhysicalAddress();
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framebuffer_width = framebuffer.GetWidth();
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framebuffer_height = framebuffer.GetHeight();
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// TODO: It's unknown how this format is actually specified
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framebuffer_format = Format::RGBA8;
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break;
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}
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case Source::Custom:
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{
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// Keep user-specified values
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break;
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}
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default:
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qDebug() << "Unknown framebuffer source " << static_cast<int>(framebuffer_source);
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break;
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}
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// TODO: Implement a good way to visualize alpha components!
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// TODO: Unify this decoding code with the texture decoder
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u32 bytes_per_pixel = GPU::Regs::BytesPerPixel(GPU::Regs::PixelFormat(framebuffer_format));
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QImage decoded_image(framebuffer_width, framebuffer_height, QImage::Format_ARGB32);
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u8* color_buffer = Memory::GetPointer(Pica::PAddrToVAddr(framebuffer_address));
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for (unsigned int y = 0; y < framebuffer_height; ++y) {
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for (unsigned int x = 0; x < framebuffer_width; ++x) {
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const u32 coarse_y = y & ~7;
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u32 offset = VideoCore::GetMortonOffset(x, y, bytes_per_pixel) + coarse_y * framebuffer_width * bytes_per_pixel;
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const u8* pixel = color_buffer + offset;
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Math::Vec4<u8> color = { 0, 0, 0, 0 };
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switch (framebuffer_format) {
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case Format::RGBA8:
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color = Color::DecodeRGBA8(pixel);
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break;
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case Format::RGB8:
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color = Color::DecodeRGB8(pixel);
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break;
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case Format::RGB5A1:
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color = Color::DecodeRGB5A1(pixel);
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break;
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case Format::RGB565:
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color = Color::DecodeRGB565(pixel);
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break;
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case Format::RGBA4:
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color = Color::DecodeRGBA4(pixel);
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break;
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default:
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qDebug() << "Unknown fb color format " << static_cast<int>(framebuffer_format);
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break;
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}
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decoded_image.setPixel(x, y, qRgba(color.r(), color.g(), color.b(), 255));
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}
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}
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pixmap = QPixmap::fromImage(decoded_image);
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framebuffer_address_control->SetValue(framebuffer_address);
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framebuffer_width_control->setValue(framebuffer_width);
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framebuffer_height_control->setValue(framebuffer_height);
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framebuffer_format_control->setCurrentIndex(static_cast<int>(framebuffer_format));
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framebuffer_picture_label->setPixmap(pixmap);
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}
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