dolphin/Source/Core/Common/GL/GLX11Window.cpp

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// Copyright 2012 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#include "Common/GL/GLX11Window.h"
#include "Common/GL/GLContext.h"
#include "Common/Thread.h"
GLX11Window::GLX11Window(Display* display, Window parent_window, Colormap color_map, Window window,
int width, int height)
: m_display(display), m_parent_window(parent_window), m_color_map(color_map), m_window(window),
m_width(width), m_height(height),
m_event_thread(std::thread(&GLX11Window::XEventThread, this))
{
}
GLX11Window::~GLX11Window()
{
Window window = m_window;
m_window = None;
if (m_event_thread.joinable())
m_event_thread.join();
XUnmapWindow(m_display, window);
XDestroyWindow(m_display, window);
XFreeColormap(m_display, m_color_map);
}
std::unique_ptr<GLX11Window> GLX11Window::Create(Display* display, Window parent_window,
XVisualInfo* vi)
{
// Set color map for the new window based on the visual.
Colormap color_map = XCreateColormap(display, parent_window, vi->visual, AllocNone);
XSetWindowAttributes attribs = {};
attribs.colormap = color_map;
// Get the dimensions from the parent window.
XWindowAttributes parent_attribs = {};
XGetWindowAttributes(display, parent_window, &parent_attribs);
// Create the window
Window window =
XCreateWindow(display, parent_window, 0, 0, parent_attribs.width, parent_attribs.height, 0,
vi->depth, InputOutput, vi->visual, CWColormap, &attribs);
XSelectInput(display, parent_window, StructureNotifyMask);
XMapWindow(display, window);
XSync(display, True);
return std::make_unique<GLX11Window>(display, parent_window, color_map, window,
parent_attribs.width, parent_attribs.height);
}
void GLX11Window::XEventThread()
{
// There's a potential race here on m_window. But this thread will disappear soon.
while (m_window)
{
XEvent event;
for (int num_events = XPending(m_display); num_events > 0; num_events--)
{
XNextEvent(m_display, &event);
switch (event.type)
{
case ConfigureNotify:
{
m_width = event.xconfigure.width;
m_height = event.xconfigure.height;
XResizeWindow(m_display, m_window, m_width, m_height);
g_main_gl_context->SetBackBufferDimensions(m_width, m_height);
}
break;
default:
break;
}
}
Common::SleepCurrentThread(20);
}
}