mirror of
https://github.com/86Box/86Box.git
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154 lines
3.6 KiB
C++
154 lines
3.6 KiB
C++
/*
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* 86Box A hypervisor and IBM PC system emulator that specializes in
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* running old operating systems and software designed for IBM
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* PC systems and compatibles from 1981 through fairly recent
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* system designs based on the PCI bus.
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*
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* This file is part of the 86Box distribution.
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*
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* Software renderer module.
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*
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*
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*
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* Authors: Joakim L. Gilje <jgilje@jgilje.net>
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* Cacodemon345
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* Teemu Korhonen
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*
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* Copyright 2021 Joakim L. Gilje
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* Copyright 2021-2022 Cacodemon345
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* Copyright 2021-2022 Teemu Korhonen
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*/
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#include "qt_softwarerenderer.hpp"
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#include <QApplication>
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#include <QPainter>
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#include <QResizeEvent>
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extern "C" {
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#include <86box/86box.h>
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#include <86box/video.h>
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}
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SoftwareRenderer::SoftwareRenderer(QWidget *parent)
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#ifdef __HAIKU__
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: QWidget(parent)
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#else
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: QWindow(parent->windowHandle()), m_backingStore(new QBackingStore(this))
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#endif
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{
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RendererCommon::parentWidget = parent;
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images[0] = std::make_unique<QImage>(QSize(2048, 2048), QImage::Format_RGB32);
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images[1] = std::make_unique<QImage>(QSize(2048, 2048), QImage::Format_RGB32);
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buf_usage = std::vector<std::atomic_flag>(2);
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buf_usage[0].clear();
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buf_usage[1].clear();
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#ifdef __HAIKU__
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this->setMouseTracking(true);
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#endif
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}
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#ifdef __HAIKU__
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void
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SoftwareRenderer::paintEvent(QPaintEvent *event)
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{
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(void) event;
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onPaint(this);
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}
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#endif
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void
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SoftwareRenderer::render()
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{
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if (!isExposed())
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return;
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QRect rect(0, 0, width(), height());
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m_backingStore->beginPaint(rect);
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QPaintDevice *device = m_backingStore->paintDevice();
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onPaint(device);
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m_backingStore->endPaint();
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m_backingStore->flush(rect);
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}
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void
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SoftwareRenderer::onBlit(int buf_idx, int x, int y, int w, int h)
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{
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/* TODO: should look into deleteLater() */
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auto tval = this;
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if ((void *) tval == nullptr)
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return;
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auto origSource = source;
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cur_image = buf_idx;
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buf_usage[buf_idx ^ 1].clear();
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source.setRect(x, y, w, h);
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if (source != origSource)
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onResize(this->width(), this->height());
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#ifdef __HAIKU__
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update();
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#else
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render();
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#endif
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}
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void
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SoftwareRenderer::resizeEvent(QResizeEvent *event)
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{
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onResize(width(), height());
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#ifdef __HAIKU__
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QWidget::resizeEvent(event);
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#else
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QWindow::resizeEvent(event);
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m_backingStore->resize(event->size());
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#endif
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}
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bool
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SoftwareRenderer::event(QEvent *event)
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{
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bool res = false;
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if (!eventDelegate(event, res))
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#ifdef __HAIKU__
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return QWidget::event(event);
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#else
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return QWindow::event(event);
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#endif
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return res;
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}
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void
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SoftwareRenderer::onPaint(QPaintDevice *device)
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{
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if (cur_image == -1)
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return;
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QPainter painter(device);
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painter.setRenderHint(QPainter::SmoothPixmapTransform, video_filter_method > 0 ? true : false);
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#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
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painter.fillRect(0, 0, device->width(), device->height(), QColorConstants::Black);
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#else
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painter.fillRect(0, 0, device->width(), device->height(), Qt::black);
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#endif
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painter.setCompositionMode(QPainter::CompositionMode_Plus);
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painter.drawImage(destination, *images[cur_image], source);
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#ifndef __HAIKU__
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painter.end();
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#endif
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}
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std::vector<std::tuple<uint8_t *, std::atomic_flag *>>
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SoftwareRenderer::getBuffers()
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{
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std::vector<std::tuple<uint8_t *, std::atomic_flag *>> buffers;
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buffers.push_back(std::make_tuple(images[0]->bits(), &buf_usage[0]));
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buffers.push_back(std::make_tuple(images[1]->bits(), &buf_usage[1]));
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return buffers;
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}
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