Files
86Box/src/qt/qt_rendererstack.cpp
2022-07-31 23:31:59 +02:00

471 lines
15 KiB
C++

/*
* 86Box A hypervisor and IBM PC system emulator that specializes in
* running old operating systems and software designed for IBM
* PC systems and compatibles from 1981 through fairly recent
* system designs based on the PCI bus.
*
* This file is part of the 86Box distribution.
*
* Program settings UI module.
*
*
*
* Authors: Joakim L. Gilje <jgilje@jgilje.net>
* Cacodemon345
* Teemu Korhonen
*
* Copyright 2021 Joakim L. Gilje
* Copyright 2021-2021 Teemu Korhonen
* Copyright 2021-2022 Cacodemon345
*/
#include "qt_rendererstack.hpp"
#include "ui_qt_rendererstack.h"
#include "qt_hardwarerenderer.hpp"
#include "qt_openglrenderer.hpp"
#include "qt_softwarerenderer.hpp"
#include "qt_vulkanwindowrenderer.hpp"
#ifdef Q_OS_WIN
#include "qt_d3d9renderer.hpp"
#endif
#include "qt_mainwindow.hpp"
#include "qt_util.hpp"
#include "evdev_mouse.hpp"
#include <atomic>
#include <stdexcept>
#include <QScreen>
#include <QMessageBox>
#ifdef __APPLE__
# include <CoreGraphics/CoreGraphics.h>
#endif
extern "C" {
#include <86box/86box.h>
#include <86box/mouse.h>
#include <86box/plat.h>
#include <86box/video.h>
double mouse_sensitivity = 1.0;
}
struct mouseinputdata {
atomic_int deltax, deltay, deltaz;
atomic_int mousebuttons;
};
static mouseinputdata mousedata;
extern "C" void macos_poll_mouse();
extern MainWindow *main_window;
RendererStack::RendererStack(QWidget *parent, int monitor_index)
: QStackedWidget(parent)
, ui(new Ui::RendererStack)
{
ui->setupUi(this);
m_monitor_index = monitor_index;
#if defined __unix__ && !defined __HAIKU__
char *mouse_type = getenv("EMU86BOX_MOUSE"), auto_mouse_type[16];
if (!mouse_type || (mouse_type[0] == '\0') || !stricmp(mouse_type, "auto")) {
if (QApplication::platformName().contains("wayland"))
strcpy(auto_mouse_type, "wayland");
else if (QApplication::platformName() == "eglfs" || QApplication::platformName() == "xcb")
strcpy(auto_mouse_type, "evdev");
else
auto_mouse_type[0] = '\0';
mouse_type = auto_mouse_type;
}
# ifdef WAYLAND
if (!stricmp(mouse_type, "wayland")) {
wl_init();
this->mouse_poll_func = wl_mouse_poll;
this->mouse_capture_func = wl_mouse_capture;
this->mouse_uncapture_func = wl_mouse_uncapture;
}
# endif
# ifdef EVDEV_INPUT
if (!stricmp(mouse_type, "evdev")) {
evdev_init();
this->mouse_poll_func = evdev_mouse_poll;
}
# endif
#endif
#ifdef __APPLE__
this->mouse_poll_func = macos_poll_mouse;
#endif
}
RendererStack::~RendererStack()
{
delete ui;
}
void
qt_mouse_capture(int on)
{
if (!on) {
mouse_capture = 0;
QApplication::setOverrideCursor(Qt::ArrowCursor);
#ifdef __APPLE__
CGAssociateMouseAndMouseCursorPosition(true);
#endif
return;
}
mouse_capture = 1;
QApplication::setOverrideCursor(Qt::BlankCursor);
#ifdef __APPLE__
CGAssociateMouseAndMouseCursorPosition(false);
#endif
return;
}
void
RendererStack::mousePoll()
{
#ifndef __APPLE__
mouse_x = mousedata.deltax;
mouse_y = mousedata.deltay;
mouse_z = mousedata.deltaz;
mousedata.deltax = mousedata.deltay = mousedata.deltaz = 0;
mouse_buttons = mousedata.mousebuttons;
if (this->mouse_poll_func)
#endif
this->mouse_poll_func();
mouse_x *= mouse_sensitivity;
mouse_y *= mouse_sensitivity;
}
int ignoreNextMouseEvent = 1;
void
RendererStack::mouseReleaseEvent(QMouseEvent *event)
{
if (this->geometry().contains(event->pos()) && event->button() == Qt::LeftButton && !mouse_capture && (isMouseDown & 1) && mouse_get_buttons() != 0) {
plat_mouse_capture(1);
this->setCursor(Qt::BlankCursor);
if (!ignoreNextMouseEvent)
ignoreNextMouseEvent++; // Avoid jumping cursor when moved.
isMouseDown &= ~1;
return;
}
if (mouse_capture && event->button() == Qt::MiddleButton && mouse_get_buttons() < 3) {
plat_mouse_capture(0);
this->setCursor(Qt::ArrowCursor);
isMouseDown &= ~1;
return;
}
if (mouse_capture) {
mousedata.mousebuttons &= ~event->button();
}
isMouseDown &= ~1;
}
void
RendererStack::mousePressEvent(QMouseEvent *event)
{
isMouseDown |= 1;
if (mouse_capture) {
mousedata.mousebuttons |= event->button();
}
event->accept();
}
void
RendererStack::wheelEvent(QWheelEvent *event)
{
if (mouse_capture) {
mousedata.deltaz += event->pixelDelta().y();
}
}
void
RendererStack::mouseMoveEvent(QMouseEvent *event)
{
if (QApplication::platformName().contains("wayland")) {
event->accept();
return;
}
if (!mouse_capture) {
event->ignore();
return;
}
#if defined __APPLE__ || defined _WIN32
event->accept();
return;
#else
static QPoint oldPos = QCursor::pos();
if (ignoreNextMouseEvent) {
oldPos = event->pos();
ignoreNextMouseEvent--;
event->accept();
return;
}
mousedata.deltax += event->pos().x() - oldPos.x();
mousedata.deltay += event->pos().y() - oldPos.y();
if (QApplication::platformName() == "eglfs") {
leaveEvent((QEvent *) event);
ignoreNextMouseEvent--;
}
QCursor::setPos(mapToGlobal(QPoint(width() / 2, height() / 2)));
ignoreNextMouseEvent = 2;
oldPos = event->pos();
#endif
}
void
RendererStack::leaveEvent(QEvent *event)
{
if (QApplication::platformName().contains("wayland")) {
event->accept();
return;
}
if (!mouse_capture)
return;
QCursor::setPos(mapToGlobal(QPoint(width() / 2, height() / 2)));
ignoreNextMouseEvent = 2;
event->accept();
}
void
RendererStack::switchRenderer(Renderer renderer)
{
startblit();
if (current) {
if ((current_vid_api == Renderer::Direct3D9 && renderer != Renderer::Direct3D9)
|| (current_vid_api != Renderer::Direct3D9 && renderer == Renderer::Direct3D9)) {
rendererWindow->finalize();
if (rendererWindow->hasBlitFunc()) {
while (directBlitting) {}
connect(this, &RendererStack::blit, this, &RendererStack::blitDummy, Qt::DirectConnection);
disconnect(this, &RendererStack::blit, this, &RendererStack::blitRenderer);
} else {
connect(this, &RendererStack::blit, this, &RendererStack::blitDummy, Qt::DirectConnection);
disconnect(this, &RendererStack::blit, this, &RendererStack::blitCommon);
}
removeWidget(current.get());
disconnect(this, &RendererStack::blitToRenderer, nullptr, nullptr);
/* Create new renderer only after previous is destroyed! */
connect(current.get(), &QObject::destroyed, [this, renderer](QObject *) {
createRenderer(renderer);
disconnect(this, &RendererStack::blit, this, &RendererStack::blitDummy);
blitDummied = false;
QTimer::singleShot(1000, this, [this]() { this->blitDummied = false; } );
});
rendererWindow->hasBlitFunc() ? current.reset() : current.release()->deleteLater();
} else {
rendererWindow->finalize();
removeWidget(current.get());
disconnect(this, &RendererStack::blitToRenderer, nullptr, nullptr);
/* Create new renderer only after previous is destroyed! */
connect(current.get(), &QObject::destroyed, [this, renderer](QObject *) { createRenderer(renderer); });
current.release()->deleteLater();
}
} else {
createRenderer(renderer);
}
}
void
RendererStack::createRenderer(Renderer renderer)
{
current_vid_api = renderer;
switch (renderer) {
default:
case Renderer::Software:
{
auto sw = new SoftwareRenderer(this);
rendererWindow = sw;
connect(this, &RendererStack::blitToRenderer, sw, &SoftwareRenderer::onBlit, Qt::QueuedConnection);
#ifdef __HAIKU__
current.reset(sw);
#else
current.reset(this->createWindowContainer(sw, this));
#endif
}
break;
case Renderer::OpenGL:
{
this->createWinId();
auto hw = new HardwareRenderer(this);
rendererWindow = hw;
connect(this, &RendererStack::blitToRenderer, hw, &HardwareRenderer::onBlit, Qt::QueuedConnection);
current.reset(this->createWindowContainer(hw, this));
break;
}
case Renderer::OpenGLES:
{
this->createWinId();
auto hw = new HardwareRenderer(this, HardwareRenderer::RenderType::OpenGLES);
rendererWindow = hw;
connect(this, &RendererStack::blitToRenderer, hw, &HardwareRenderer::onBlit, Qt::QueuedConnection);
current.reset(this->createWindowContainer(hw, this));
break;
}
case Renderer::OpenGL3:
{
this->createWinId();
auto hw = new OpenGLRenderer(this);
rendererWindow = hw;
connect(this, &RendererStack::blitToRenderer, hw, &OpenGLRenderer::onBlit, Qt::QueuedConnection);
connect(hw, &OpenGLRenderer::initialized, [=]() {
/* Buffers are available only after initialization. */
imagebufs = rendererWindow->getBuffers();
endblit();
emit rendererChanged();
});
connect(hw, &OpenGLRenderer::errorInitializing, [=]() {
/* Renderer not could initialize, fallback to software. */
imagebufs = {};
QTimer::singleShot(0, this, [this]() { switchRenderer(Renderer::Software); });
});
current.reset(this->createWindowContainer(hw, this));
break;
}
#ifdef Q_OS_WIN
case Renderer::Direct3D9:
{
this->createWinId();
auto hw = new D3D9Renderer(this, m_monitor_index);
rendererWindow = hw;
connect(hw, &D3D9Renderer::error, this, [this](QString str)
{
auto msgBox = new QMessageBox(QMessageBox::Critical, "86Box", QString("Failed to initialize D3D9 renderer. Falling back to software rendering.\n\n") + str, QMessageBox::Ok);
msgBox->setAttribute(Qt::WA_DeleteOnClose);
msgBox->show();
imagebufs = {};
QTimer::singleShot(0, this, [this]() { switchRenderer(Renderer::Software); });
});
connect(hw, &D3D9Renderer::initialized, this, [this]()
{
endblit();
emit rendererChanged();
});
current.reset(hw);
break;
}
#endif
#if QT_CONFIG(vulkan)
case Renderer::Vulkan:
{
this->createWinId();
VulkanWindowRenderer *hw = nullptr;
try {
hw = new VulkanWindowRenderer(this);
} catch(std::runtime_error& e) {
auto msgBox = new QMessageBox(QMessageBox::Critical, "86Box", e.what() + QString("\nFalling back to software rendering."), QMessageBox::Ok);
msgBox->setAttribute(Qt::WA_DeleteOnClose);
msgBox->show();
imagebufs = {};
QTimer::singleShot(0, this, [this]() { switchRenderer(Renderer::Software); });
current.reset(nullptr);
break;
};
rendererWindow = hw;
connect(this, &RendererStack::blitToRenderer, hw, &VulkanWindowRenderer::onBlit, Qt::QueuedConnection);
connect(hw, &VulkanWindowRenderer::rendererInitialized, [=]() {
/* Buffers are available only after initialization. */
imagebufs = rendererWindow->getBuffers();
endblit();
emit rendererChanged();
});
connect(hw, &VulkanWindowRenderer::errorInitializing, [=]() {
/* Renderer could not initialize, fallback to software. */
auto msgBox = new QMessageBox(QMessageBox::Critical, "86Box", QString("Failed to initialize Vulkan renderer.\nFalling back to software rendering."), QMessageBox::Ok);
msgBox->setAttribute(Qt::WA_DeleteOnClose);
msgBox->show();
imagebufs = {};
QTimer::singleShot(0, this, [this]() { switchRenderer(Renderer::Software); });
});
current.reset(this->createWindowContainer(hw, this));
break;
}
#endif
}
if (current.get() == nullptr) return;
current->setFocusPolicy(Qt::NoFocus);
current->setFocusProxy(this);
addWidget(current.get());
this->setStyleSheet("background-color: black");
currentBuf = 0;
if (rendererWindow->hasBlitFunc()) {
connect(this, &RendererStack::blit, this, &RendererStack::blitRenderer, Qt::DirectConnection);
}
else {
connect(this, &RendererStack::blit, this, &RendererStack::blitCommon, Qt::DirectConnection);
}
if (renderer != Renderer::OpenGL3 && renderer != Renderer::Vulkan && renderer != Renderer::Direct3D9) {
imagebufs = rendererWindow->getBuffers();
endblit();
emit rendererChanged();
}
}
void
RendererStack::blitDummy(int x, int y, int w, int h)
{
video_blit_complete_monitor(m_monitor_index);
blitDummied = true;
}
void
RendererStack::blitRenderer(int x, int y, int w, int h)
{
if (blitDummied) { blitDummied = false; video_blit_complete_monitor(m_monitor_index); return; }
directBlitting = true;
rendererWindow->blit(x, y, w, h);
directBlitting = false;
}
// called from blitter thread
void
RendererStack::blitCommon(int x, int y, int w, int h)
{
if (blitDummied || (x < 0) || (y < 0) || (w <= 0) || (h <= 0) || (w > 2048) || (h > 2048) || (monitors[m_monitor_index].target_buffer == NULL) || imagebufs.empty() || std::get<std::atomic_flag *>(imagebufs[currentBuf])->test_and_set()) {
video_blit_complete_monitor(m_monitor_index);
return;
}
sx = x;
sy = y;
sw = this->w = w;
sh = this->h = h;
uint8_t *imagebits = std::get<uint8_t *>(imagebufs[currentBuf]);
for (int y1 = y; y1 < (y + h); y1++) {
auto scanline = imagebits + (y1 * rendererWindow->getBytesPerRow()) + (x * 4);
video_copy(scanline, &(monitors[m_monitor_index].target_buffer->line[y1][x]), w * 4);
}
if (monitors[m_monitor_index].mon_screenshots) {
video_screenshot_monitor((uint32_t *) imagebits, x, y, 2048, m_monitor_index);
}
video_blit_complete_monitor(m_monitor_index);
emit blitToRenderer(currentBuf, sx, sy, sw, sh);
currentBuf = (currentBuf + 1) % imagebufs.size();
}
void RendererStack::closeEvent(QCloseEvent* event)
{
if (cpu_thread_run == 0 || is_quit == 0) {
event->accept();
show_second_monitors = 0; // TODO: This isn't actually the right fix, so fix this properly.
return;
}
event->ignore();
main_window->close();
}