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boo/lib/x11/WindowXlib.cpp

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#include "boo/IWindow.hpp"
#include "boo/IGraphicsContext.hpp"
#include "boo/IApplication.hpp"
#include "boo/graphicsdev/GL.hpp"
#include "boo/audiodev/IAudioVoiceEngine.hpp"
#include "boo/graphicsdev/glew.h"
#if BOO_HAS_VULKAN
#include "boo/graphicsdev/Vulkan.hpp"
#include <X11/Xlib-xcb.h>
#endif
#include <limits.h>
#include <cstdlib>
#include <cstdio>
#include <cstdint>
#include <cstring>
#include <thread>
#include <mutex>
#include <condition_variable>
#include <GL/glx.h>
#define XK_MISCELLANY
#define XK_XKB_KEYS
#define XK_LATIN1
#include <X11/keysymdef.h>
#include <X11/XKBlib.h>
#include <X11/extensions/XInput2.h>
#include <X11/Xatom.h>
#include <X11/extensions/Xrandr.h>
#include "logvisor/logvisor.hpp"
#include "XlibCommon.hpp"
#define REF_DPMM 3.78138
#define FS_ATOM "_NET_WM_STATE_FULLSCREEN"
#define MWM_HINTS_FUNCTIONS (1L << 0)
#define MWM_HINTS_DECORATIONS (1L << 1)
#define MWM_DECOR_BORDER (1L<<1)
#define MWM_DECOR_RESIZEH (1L<<2)
#define MWM_DECOR_TITLE (1L<<3)
#define MWM_DECOR_MENU (1L<<4)
#define MWM_DECOR_MINIMIZE (1L<<5)
#define MWM_DECOR_MAXIMIZE (1L<<6)
#define MWM_FUNC_RESIZE (1L<<1)
#define MWM_FUNC_MOVE (1L<<2)
#define MWM_FUNC_MINIMIZE (1L<<3)
#define MWM_FUNC_MAXIMIZE (1L<<4)
#define MWM_FUNC_CLOSE (1L<<5)
#undef None
typedef GLXContext (*glXCreateContextAttribsARBProc)(Display*, GLXFBConfig, GLXContext, Bool, const int*);
static glXCreateContextAttribsARBProc glXCreateContextAttribsARB = 0;
typedef int (*glXWaitVideoSyncSGIProc)(int divisor, int remainder, unsigned int* count);
static glXWaitVideoSyncSGIProc glXWaitVideoSyncSGI = 0;
static bool s_glxError;
static int ctxErrorHandler(Display *dpy, XErrorEvent *ev)
{
s_glxError = true;
return 0;
}
static const int ContextAttribList[7][7] =
{
{ GLX_CONTEXT_MAJOR_VERSION_ARB, 4,
GLX_CONTEXT_MINOR_VERSION_ARB, 5,
GLX_CONTEXT_FLAGS_ARB, GLX_CONTEXT_CORE_PROFILE_BIT_ARB,
0
},
{ GLX_CONTEXT_MAJOR_VERSION_ARB, 4,
GLX_CONTEXT_MINOR_VERSION_ARB, 4,
GLX_CONTEXT_FLAGS_ARB, GLX_CONTEXT_CORE_PROFILE_BIT_ARB,
0
},
{ GLX_CONTEXT_MAJOR_VERSION_ARB, 4,
GLX_CONTEXT_MINOR_VERSION_ARB, 3,
GLX_CONTEXT_FLAGS_ARB, GLX_CONTEXT_CORE_PROFILE_BIT_ARB,
0
},
{ GLX_CONTEXT_MAJOR_VERSION_ARB, 4,
GLX_CONTEXT_MINOR_VERSION_ARB, 2,
GLX_CONTEXT_FLAGS_ARB, GLX_CONTEXT_CORE_PROFILE_BIT_ARB,
0
},
{ GLX_CONTEXT_MAJOR_VERSION_ARB, 4,
GLX_CONTEXT_MINOR_VERSION_ARB, 1,
GLX_CONTEXT_FLAGS_ARB, GLX_CONTEXT_CORE_PROFILE_BIT_ARB,
0
},
{ GLX_CONTEXT_MAJOR_VERSION_ARB, 4,
GLX_CONTEXT_MINOR_VERSION_ARB, 0,
GLX_CONTEXT_FLAGS_ARB, GLX_CONTEXT_CORE_PROFILE_BIT_ARB,
0
},
{ GLX_CONTEXT_MAJOR_VERSION_ARB, 3,
GLX_CONTEXT_MINOR_VERSION_ARB, 3,
GLX_CONTEXT_FLAGS_ARB, GLX_CONTEXT_CORE_PROFILE_BIT_ARB,
0
},
};
extern "C" const uint8_t MAINICON_NETWM[];
extern "C" const size_t MAINICON_NETWM_SZ;
namespace boo
{
static logvisor::Module Log("boo::WindowXlib");
std::unique_ptr<IGraphicsCommandQueue> _NewGLCommandQueue(IGraphicsContext* parent, GLContext* glCtx);
std::unique_ptr<IGraphicsDataFactory> _NewGLDataFactory(IGraphicsContext* parent, GLContext* glCtx);
#if BOO_HAS_VULKAN
std::unique_ptr<IGraphicsCommandQueue> _NewVulkanCommandQueue(VulkanContext* ctx,
VulkanContext::Window* windowCtx,
IGraphicsContext* parent);
std::unique_ptr<IGraphicsDataFactory> _NewVulkanDataFactory(IGraphicsContext* parent, VulkanContext* ctx);
#endif
void _XlibUpdateLastGlxCtx(GLXContext lastGlxCtx);
void GLXExtensionCheck();
void GLXEnableVSync(Display* disp, GLXWindow drawable);
extern int XINPUT_OPCODE;
static std::string translateUTF8(XKeyEvent* ev, XIC xIC)
{
char chs[512];
KeySym ks;
Status stat;
int len = Xutf8LookupString(xIC, ev, chs, 512, &ks, &stat);
if (len > 1 && (stat == XLookupChars || stat == XLookupBoth))
return std::string(chs, len);
return std::string();
}
static char translateKeysym(XKeyEvent* ev, ESpecialKey& specialSym, EModifierKey& modifierSym)
{
KeySym sym = XLookupKeysym(ev, 0);
specialSym = ESpecialKey::None;
modifierSym = EModifierKey::None;
if (sym >= XK_F1 && sym <= XK_F12)
specialSym = ESpecialKey(int(ESpecialKey::F1) + sym - XK_F1);
else if (sym == XK_Escape)
specialSym = ESpecialKey::Esc;
else if (sym == XK_Return)
specialSym = ESpecialKey::Enter;
else if (sym == XK_BackSpace)
specialSym = ESpecialKey::Backspace;
else if (sym == XK_Insert)
specialSym = ESpecialKey::Insert;
else if (sym == XK_Delete)
specialSym = ESpecialKey::Delete;
else if (sym == XK_Home)
specialSym = ESpecialKey::Home;
else if (sym == XK_End)
specialSym = ESpecialKey::End;
else if (sym == XK_Page_Up)
specialSym = ESpecialKey::PgUp;
else if (sym == XK_Page_Down)
specialSym = ESpecialKey::PgDown;
else if (sym == XK_Left)
specialSym = ESpecialKey::Left;
else if (sym == XK_Right)
specialSym = ESpecialKey::Right;
else if (sym == XK_Up)
specialSym = ESpecialKey::Up;
else if (sym == XK_Down)
specialSym = ESpecialKey::Down;
else if (sym == XK_Shift_L || sym == XK_Shift_R)
modifierSym = EModifierKey::Shift;
else if (sym == XK_Control_L || sym == XK_Control_R)
modifierSym = EModifierKey::Ctrl;
else if (sym == XK_Alt_L || sym == XK_Alt_R)
modifierSym = EModifierKey::Alt;
else
{
char ch = 0;
KeySym ks;
XLookupString(ev, (char*)&ch, 1, &ks, nullptr);
return ch;
}
return 0;
}
static EModifierKey translateModifiers(unsigned state)
{
EModifierKey retval = EModifierKey::None;
if (state & ShiftMask)
retval |= EModifierKey::Shift;
if (state & ControlMask)
retval |= EModifierKey::Ctrl;
if (state & Mod1Mask)
retval |= EModifierKey::Alt;
return retval;
}
static EMouseButton translateButton(unsigned detail)
{
switch (detail)
{
case 1:
return EMouseButton::Primary;
case 3:
return EMouseButton::Secondary;
case 2:
return EMouseButton::Middle;
case 8:
return EMouseButton::Aux1;
case 9:
return EMouseButton::Aux2;
default: break;
}
return EMouseButton::None;
}
struct XlibAtoms
{
Atom m_wmProtocols = 0;
Atom m_wmDeleteWindow = 0;
Atom m_netSupported = 0;
Atom m_netwmIcon = 0;
Atom m_netwmIconName = 0;
Atom m_netwmState = 0;
Atom m_netwmStateFullscreen = 0;
Atom m_netwmStateAdd = 0;
Atom m_netwmStateRemove = 0;
Atom m_motifWmHints = 0;
Atom m_targets = 0;
Atom m_clipboard = 0;
Atom m_clipdata = 0;
Atom m_utf8String = 0;
Atom m_imagePng = 0;
XlibAtoms(Display* disp)
{
m_wmProtocols = XInternAtom(disp, "WM_PROTOCOLS", True);
m_wmDeleteWindow = XInternAtom(disp, "WM_DELETE_WINDOW", True);
m_netSupported = XInternAtom(disp, "_NET_SUPPORTED", True);
m_netwmIcon = XInternAtom(disp, "_NET_WM_ICON", False);
m_netwmIconName = XInternAtom(disp, "_NET_WM_ICON_NAME", False);
m_netwmState = XInternAtom(disp, "_NET_WM_STATE", False);
m_netwmStateFullscreen = XInternAtom(disp, "_NET_WM_STATE_FULLSCREEN", False);
m_netwmStateAdd = XInternAtom(disp, "_NET_WM_STATE_ADD", False);
m_netwmStateRemove = XInternAtom(disp, "_NET_WM_STATE_REMOVE", False);
m_motifWmHints = XInternAtom(disp, "_MOTIF_WM_HINTS", True);
m_targets = XInternAtom(disp, "TARGETS", False);
m_clipboard = XInternAtom(disp, "CLIPBOARD", False);
m_clipdata = XInternAtom(disp, "CLIPDATA", False);
m_utf8String = XInternAtom(disp, "UTF8_STRING", False);
m_imagePng = XInternAtom(disp, "image/png", False);
}
};
static XlibAtoms* S_ATOMS = NULL;
static Atom GetClipboardTypeAtom(EClipboardType t)
{
switch (t)
{
case EClipboardType::String:
return XA_STRING;
case EClipboardType::UTF8String:
return S_ATOMS->m_utf8String;
case EClipboardType::PNGImage:
return S_ATOMS->m_imagePng;
default: return 0;
}
}
static void genFrameDefault(Screen* screen, int& xOut, int& yOut, int& wOut, int& hOut)
{
float width = screen->width * 2.0 / 3.0;
float height = screen->height * 2.0 / 3.0;
xOut = (screen->width - width) / 2.0;
yOut = (screen->height - height) / 2.0;
wOut = width;
hOut = height;
}
static void genFrameDefault(XRRMonitorInfo* screen, int& xOut, int& yOut, int& wOut, int& hOut)
{
float width = screen->width * 2.0 / 3.0;
float height = screen->height * 2.0 / 3.0;
xOut = (screen->width - width) / 2.0 + screen->x;
yOut = (screen->height - height) / 2.0 + screen->y;
wOut = width;
hOut = height;
}
struct GraphicsContextXlib : IGraphicsContext
{
EGraphicsAPI m_api;
EPixelFormat m_pf;
uint32_t m_drawSamples;
IWindow* m_parentWindow;
GLContext* m_glCtx;
Display* m_xDisp;
std::mutex m_vsyncmt;
std::condition_variable m_vsynccv;
GraphicsContextXlib(EGraphicsAPI api, EPixelFormat pf, IWindow* parentWindow, Display* disp, GLContext* glCtx)
: m_api(api),
m_pf(pf),
m_parentWindow(parentWindow),
m_glCtx(glCtx),
m_xDisp(disp) {}
virtual void destroy()=0;
virtual void resized(const SWindowRect& rect)=0;
};
struct GraphicsContextXlibGLX : GraphicsContextXlib
{
GLXContext m_lastCtx = 0;
GLXFBConfig m_fbconfig = 0;
int m_visualid = 0;
int m_attribIdx = 0;
GLXWindow m_glxWindow = 0;
GLXContext m_glxCtx = 0;
std::unique_ptr<IGraphicsDataFactory> m_dataFactory;
std::unique_ptr<IGraphicsCommandQueue> m_commandQueue;
GLXContext m_mainCtx = 0;
GLXContext m_loadCtx = 0;
std::thread m_vsyncThread;
bool m_vsyncRunning;
public:
IWindowCallback* m_callback;
GraphicsContextXlibGLX(EGraphicsAPI api, IWindow* parentWindow,
Display* display, int defaultScreen,
GLXContext lastCtx, uint32_t& visualIdOut, GLContext* glCtx)
: GraphicsContextXlib(api, glCtx->m_deepColor ? EPixelFormat::RGBA16 : EPixelFormat::RGBA8,
parentWindow, display, glCtx), m_lastCtx(lastCtx)
{
m_dataFactory = _NewGLDataFactory(this, m_glCtx);
/* Query framebuffer configurations */
GLXFBConfig* fbConfigs = nullptr;
int numFBConfigs = 0;
fbConfigs = glXGetFBConfigs(display, defaultScreen, &numFBConfigs);
if (!fbConfigs || numFBConfigs == 0)
{
Log.report(logvisor::Fatal, "glXGetFBConfigs failed");
return;
}
for (int i=0 ; i<numFBConfigs ; ++i)
{
GLXFBConfig config = fbConfigs[i];
int visualId, depthSize, colorSize, doubleBuffer;
glXGetFBConfigAttrib(display, config, GLX_VISUAL_ID, &visualId);
glXGetFBConfigAttrib(display, config, GLX_DEPTH_SIZE, &depthSize);
glXGetFBConfigAttrib(display, config, GLX_BUFFER_SIZE, &colorSize);
glXGetFBConfigAttrib(display, config, GLX_DOUBLEBUFFER, &doubleBuffer);
/* Double-buffer only */
if (!doubleBuffer || !visualId)
continue;
if (m_pf == EPixelFormat::RGBA8 && colorSize >= 32)
{
m_fbconfig = config;
m_visualid = visualId;
break;
}
else if (m_pf == EPixelFormat::RGBA16)
{
if (colorSize >= 64)
{
m_fbconfig = config;
m_visualid = visualId;
break;
}
else if (!m_visualid && colorSize >= 32)
{
m_fbconfig = config;
m_visualid = visualId;
}
}
else if (m_pf == EPixelFormat::RGBA8_Z24 && colorSize >= 32 && depthSize >= 24)
{
m_fbconfig = config;
m_visualid = visualId;
break;
}
else if (m_pf == EPixelFormat::RGBAF32 && colorSize >= 128)
{
m_fbconfig = config;
m_visualid = visualId;
break;
}
else if (m_pf == EPixelFormat::RGBAF32_Z24 && colorSize >= 128 && depthSize >= 24)
{
m_fbconfig = config;
m_visualid = visualId;
break;
}
}
XFree(fbConfigs);
if (!m_fbconfig)
{
Log.report(logvisor::Fatal, "unable to find suitable pixel format");
return;
}
visualIdOut = m_visualid;
}
void destroy()
{
if (m_glxCtx)
{
glXDestroyContext(m_xDisp, m_glxCtx);
m_glxCtx = nullptr;
}
if (m_glxWindow)
{
glXDestroyWindow(m_xDisp, m_glxWindow);
m_glxWindow = 0;
}
if (m_loadCtx)
{
glXDestroyContext(m_xDisp, m_loadCtx);
m_loadCtx = nullptr;
}
if (m_vsyncRunning)
{
m_vsyncRunning = false;
m_vsyncThread.join();
}
}
~GraphicsContextXlibGLX() {destroy();}
void resized(const SWindowRect& rect)
{
}
void _setCallback(IWindowCallback* cb)
{
m_callback = cb;
}
EGraphicsAPI getAPI() const
{
return m_api;
}
EPixelFormat getPixelFormat() const
{
return m_pf;
}
void setPixelFormat(EPixelFormat pf)
{
if (pf > EPixelFormat::RGBAF32_Z24)
return;
m_pf = pf;
}
bool initializeContext(void*)
{
if (!glXCreateContextAttribsARB)
{
glXCreateContextAttribsARB = (glXCreateContextAttribsARBProc)
glXGetProcAddressARB((const GLubyte*)"glXCreateContextAttribsARB");
if (!glXCreateContextAttribsARB)
Log.report(logvisor::Fatal, "unable to resolve glXCreateContextAttribsARB");
}
if (!glXWaitVideoSyncSGI)
{
glXWaitVideoSyncSGI = (glXWaitVideoSyncSGIProc)
glXGetProcAddressARB((const GLubyte*)"glXWaitVideoSyncSGI");
if (!glXWaitVideoSyncSGI)
Log.report(logvisor::Fatal, "unable to resolve glXWaitVideoSyncSGI");
}
s_glxError = false;
XErrorHandler oldHandler = XSetErrorHandler(ctxErrorHandler);
for (m_attribIdx=0 ; m_attribIdx<std::extent<decltype(ContextAttribList)>::value ; ++m_attribIdx)
{
m_glxCtx = glXCreateContextAttribsARB(m_xDisp, m_fbconfig, m_lastCtx, True, ContextAttribList[m_attribIdx]);
if (m_glxCtx)
break;
}
XSetErrorHandler(oldHandler);
if (!m_glxCtx)
Log.report(logvisor::Fatal, "unable to make new GLX context");
m_glxWindow = glXCreateWindow(m_xDisp, m_fbconfig, m_parentWindow->getPlatformHandle(), nullptr);
if (!m_glxWindow)
Log.report(logvisor::Fatal, "unable to make new GLX window");
_XlibUpdateLastGlxCtx(m_glxCtx);
if (!glXMakeCurrent(m_xDisp, DefaultRootWindow(m_xDisp), m_glxCtx))
Log.report(logvisor::Fatal, "unable to make GLX context current");
if (glewInit() != GLEW_OK)
Log.report(logvisor::Fatal, "glewInit failed");
glXMakeCurrent(m_xDisp, 0, 0);
/* Spawn vsync thread */
m_vsyncRunning = true;
std::mutex initmt;
std::condition_variable initcv;
std::unique_lock<std::mutex> outerLk(initmt);
m_vsyncThread = std::thread([&]()
{
Display* vsyncDisp;
GLXContext vsyncCtx;
{
std::unique_lock<std::mutex> innerLk(initmt);
vsyncDisp = XOpenDisplay(0);
if (!vsyncDisp)
Log.report(logvisor::Fatal, "unable to open new vsync display");
XLockDisplay(vsyncDisp);
static int attributeList[] = { GLX_RGBA, GLX_DOUBLEBUFFER, GLX_RED_SIZE, 1, GLX_GREEN_SIZE, 1, GLX_BLUE_SIZE, 1, 0 };
XVisualInfo *vi = glXChooseVisual(vsyncDisp, DefaultScreen(vsyncDisp), attributeList);
vsyncCtx = glXCreateContext(vsyncDisp, vi, nullptr, True);
if (!vsyncCtx)
Log.report(logvisor::Fatal, "unable to make new vsync GLX context");
if (!glXMakeCurrent(vsyncDisp, DefaultRootWindow(vsyncDisp), vsyncCtx))
Log.report(logvisor::Fatal, "unable to make vsync context current");
}
initcv.notify_one();
while (m_vsyncRunning)
{
{
unsigned int sync;
int err = glXWaitVideoSyncSGI(1, 0, &sync);
if (err)
Log.report(logvisor::Fatal, "wait err");
}
m_vsynccv.notify_one();
}
glXMakeCurrent(vsyncDisp, 0, nullptr);
glXDestroyContext(vsyncDisp, vsyncCtx);
XUnlockDisplay(vsyncDisp);
XCloseDisplay(vsyncDisp);
});
initcv.wait(outerLk);
XUnlockDisplay(m_xDisp);
m_commandQueue = _NewGLCommandQueue(this, m_glCtx);
m_commandQueue->startRenderer();
XLockDisplay(m_xDisp);
return true;
}
void makeCurrent()
{
XLockDisplay(m_xDisp);
if (!glXMakeContextCurrent(m_xDisp, m_glxWindow, m_glxWindow, m_glxCtx))
Log.report(logvisor::Fatal, "unable to make GLX context current");
XUnlockDisplay(m_xDisp);
}
void postInit()
{
GLXExtensionCheck();
XLockDisplay(m_xDisp);
GLXEnableVSync(m_xDisp, m_glxWindow);
XUnlockDisplay(m_xDisp);
}
IGraphicsCommandQueue* getCommandQueue()
{
return m_commandQueue.get();
}
IGraphicsDataFactory* getDataFactory()
{
return m_dataFactory.get();
}
IGraphicsDataFactory* getMainContextDataFactory()
{
XLockDisplay(m_xDisp);
if (!m_mainCtx)
{
s_glxError = false;
XErrorHandler oldHandler = XSetErrorHandler(ctxErrorHandler);
m_mainCtx = glXCreateContextAttribsARB(m_xDisp, m_fbconfig, m_glxCtx, True, ContextAttribList[m_attribIdx]);
XSetErrorHandler(oldHandler);
if (!m_mainCtx)
Log.report(logvisor::Fatal, "unable to make main GLX context");
}
if (!glXMakeContextCurrent(m_xDisp, m_glxWindow, m_glxWindow, m_mainCtx))
Log.report(logvisor::Fatal, "unable to make main GLX context current");
XUnlockDisplay(m_xDisp);
return getDataFactory();
}
IGraphicsDataFactory* getLoadContextDataFactory()
{
XLockDisplay(m_xDisp);
if (!m_loadCtx)
{
s_glxError = false;
XErrorHandler oldHandler = XSetErrorHandler(ctxErrorHandler);
m_loadCtx = glXCreateContextAttribsARB(m_xDisp, m_fbconfig, m_glxCtx, True, ContextAttribList[m_attribIdx]);
XSetErrorHandler(oldHandler);
if (!m_loadCtx)
Log.report(logvisor::Fatal, "unable to make load GLX context");
}
if (!glXMakeContextCurrent(m_xDisp, m_glxWindow, m_glxWindow, m_loadCtx))
Log.report(logvisor::Fatal, "unable to make load GLX context current");
XUnlockDisplay(m_xDisp);
return getDataFactory();
}
void present()
{ glXSwapBuffers(m_xDisp, m_glxWindow); }
};
#if BOO_HAS_VULKAN
struct GraphicsContextXlibVulkan : GraphicsContextXlib
{
xcb_connection_t* m_xcbConn;
VulkanContext* m_ctx;
VkSurfaceKHR m_surface = VK_NULL_HANDLE;
VkFormat m_format = VK_FORMAT_UNDEFINED;
VkColorSpaceKHR m_colorspace;
GLXFBConfig m_fbconfig = 0;
int m_visualid = 0;
std::unique_ptr<IGraphicsDataFactory> m_dataFactory;
std::unique_ptr<IGraphicsCommandQueue> m_commandQueue;
std::thread m_vsyncThread;
bool m_vsyncRunning;
static void ThrowIfFailed(VkResult res)
{
if (res != VK_SUCCESS)
Log.report(logvisor::Fatal, "%d\n", res);
}
public:
IWindowCallback* m_callback;
GraphicsContextXlibVulkan(IWindow* parentWindow,
Display* display, xcb_connection_t* xcbConn, int defaultScreen,
VulkanContext* ctx, uint32_t& visualIdOut, GLContext* glCtx)
: GraphicsContextXlib(EGraphicsAPI::Vulkan, ctx->m_deepColor ? EPixelFormat::RGBA16 : EPixelFormat::RGBA8,
parentWindow, display, glCtx),
m_xcbConn(xcbConn), m_ctx(ctx)
{
Screen* screen = ScreenOfDisplay(display, defaultScreen);
m_visualid = screen->root_visual->visualid;
visualIdOut = screen->root_visual->visualid;
}
void destroy()
{
VulkanContext::Window& m_windowCtx = *m_ctx->m_windows[m_parentWindow];
m_windowCtx.m_swapChains[0].destroy(m_ctx->m_dev);
m_windowCtx.m_swapChains[1].destroy(m_ctx->m_dev);
if (m_surface)
{
vk::DestroySurfaceKHR(m_ctx->m_instance, m_surface, nullptr);
m_surface = VK_NULL_HANDLE;
}
if (m_vsyncRunning)
{
m_vsyncRunning = false;
if (m_vsyncThread.joinable())
m_vsyncThread.join();
}
}
~GraphicsContextXlibVulkan() {destroy();}
VulkanContext::Window* m_windowCtx = nullptr;
void resized(const SWindowRect& rect)
{
if (m_windowCtx)
m_ctx->resizeSwapChain(*m_windowCtx, m_surface, m_format, m_colorspace, rect);
}
void _setCallback(IWindowCallback* cb)
{
m_callback = cb;
}
EGraphicsAPI getAPI() const
{
return m_api;
}
EPixelFormat getPixelFormat() const
{
return m_pf;
}
void setPixelFormat(EPixelFormat pf)
{
if (pf > EPixelFormat::RGBAF32_Z24)
return;
m_pf = pf;
}
bool initializeContext(void* getVkProc)
{
if (!glXWaitVideoSyncSGI)
{
glXWaitVideoSyncSGI = (glXWaitVideoSyncSGIProc)
glXGetProcAddressARB((const GLubyte*)"glXWaitVideoSyncSGI");
if (!glXWaitVideoSyncSGI)
Log.report(logvisor::Fatal, "unable to resolve glXWaitVideoSyncSGI");
}
if (m_ctx->m_instance == VK_NULL_HANDLE)
m_ctx->initVulkan(APP->getUniqueName(), PFN_vkGetInstanceProcAddr(getVkProc));
if (!m_ctx->enumerateDevices())
return false;
m_windowCtx =
m_ctx->m_windows.emplace(std::make_pair(m_parentWindow,
std::make_unique<VulkanContext::Window>())).first->second.get();
VkXcbSurfaceCreateInfoKHR surfaceInfo = {};
surfaceInfo.sType = VK_STRUCTURE_TYPE_XCB_SURFACE_CREATE_INFO_KHR;
surfaceInfo.connection = m_xcbConn;
surfaceInfo.window = m_parentWindow->getPlatformHandle();
ThrowIfFailed(vk::CreateXcbSurfaceKHR(m_ctx->m_instance, &surfaceInfo, nullptr, &m_surface));
/* Iterate over each queue to learn whether it supports presenting */
VkBool32 *supportsPresent = (VkBool32*)malloc(m_ctx->m_queueCount * sizeof(VkBool32));
for (uint32_t i=0 ; i<m_ctx->m_queueCount ; ++i)
vk::GetPhysicalDeviceSurfaceSupportKHR(m_ctx->m_gpus[0], i, m_surface, &supportsPresent[i]);
/* Search for a graphics queue and a present queue in the array of queue
* families, try to find one that supports both */
if (m_ctx->m_graphicsQueueFamilyIndex == UINT32_MAX)
{
/* First window, init device */
for (uint32_t i=0 ; i<m_ctx->m_queueCount; ++i)
{
if ((m_ctx->m_queueProps[i].queueFlags & VK_QUEUE_GRAPHICS_BIT) != 0)
{
if (supportsPresent[i] == VK_TRUE)
{
m_ctx->m_graphicsQueueFamilyIndex = i;
}
}
}
/* Generate error if could not find a queue that supports both a graphics
* and present */
if (m_ctx->m_graphicsQueueFamilyIndex == UINT32_MAX)
Log.report(logvisor::Fatal,
"Could not find a queue that supports both graphics and present");
m_ctx->initDevice();
}
else
{
/* Subsequent window, verify present */
if (supportsPresent[m_ctx->m_graphicsQueueFamilyIndex] == VK_FALSE)
Log.report(logvisor::Fatal, "subsequent surface doesn't support present");
}
free(supportsPresent);
if (!vk::GetPhysicalDeviceXcbPresentationSupportKHR(m_ctx->m_gpus[0], m_ctx->m_graphicsQueueFamilyIndex, m_xcbConn, m_visualid))
{
Log.report(logvisor::Fatal, "XCB visual doesn't support vulkan present");
return false;
}
/* Get the list of VkFormats that are supported */
uint32_t formatCount;
ThrowIfFailed(vk::GetPhysicalDeviceSurfaceFormatsKHR(m_ctx->m_gpus[0], m_surface, &formatCount, nullptr));
std::vector<VkSurfaceFormatKHR> surfFormats(formatCount);
ThrowIfFailed(vk::GetPhysicalDeviceSurfaceFormatsKHR(m_ctx->m_gpus[0], m_surface, &formatCount, surfFormats.data()));
/* If the format list includes just one entry of VK_FORMAT_UNDEFINED,
* the surface has no preferred format. Otherwise, at least one
* supported format will be returned. */
if (formatCount >= 1)
{
if (m_ctx->m_deepColor)
{
for (int i=0 ; i<formatCount ; ++i)
{
if (surfFormats[i].format == VK_FORMAT_R16G16B16A16_UNORM)
{
m_format = surfFormats[i].format;
m_colorspace = surfFormats[i].colorSpace;
break;
}
}
}
if (m_format == VK_FORMAT_UNDEFINED)
{
for (int i=0 ; i<formatCount ; ++i)
{
if (surfFormats[i].format == VK_FORMAT_B8G8R8A8_UNORM ||
surfFormats[i].format == VK_FORMAT_R8G8B8A8_UNORM)
{
m_format = surfFormats[i].format;
m_colorspace = surfFormats[i].colorSpace;
break;
}
}
}
}
else
Log.report(logvisor::Fatal, "no surface formats available for Vulkan swapchain");
if (m_format == VK_FORMAT_UNDEFINED)
Log.report(logvisor::Fatal, "no UNORM formats available for Vulkan swapchain");
m_ctx->initSwapChain(*m_windowCtx, m_surface, m_format, m_colorspace);
/* Spawn vsync thread */
m_vsyncRunning = true;
std::mutex initmt;
std::condition_variable initcv;
std::unique_lock<std::mutex> outerLk(initmt);
m_vsyncThread = std::thread([&]()
{
Display* vsyncDisp;
GLXContext vsyncCtx;
{
std::unique_lock<std::mutex> innerLk(initmt);
vsyncDisp = XOpenDisplay(0);
if (!vsyncDisp)
Log.report(logvisor::Fatal, "unable to open new vsync display");
XLockDisplay(vsyncDisp);
static int attributeList[] = { GLX_RGBA, GLX_DOUBLEBUFFER, GLX_RED_SIZE, 1, GLX_GREEN_SIZE, 1, GLX_BLUE_SIZE, 1, 0 };
XVisualInfo *vi = glXChooseVisual(vsyncDisp, DefaultScreen(vsyncDisp), attributeList);
vsyncCtx = glXCreateContext(vsyncDisp, vi, nullptr, True);
if (!vsyncCtx)
Log.report(logvisor::Fatal, "unable to make new vsync GLX context");
if (!glXMakeCurrent(vsyncDisp, DefaultRootWindow(vsyncDisp), vsyncCtx))
Log.report(logvisor::Fatal, "unable to make vsync context current");
}
initcv.notify_one();
while (m_vsyncRunning)
{
unsigned int sync;
int err = glXWaitVideoSyncSGI(1, 0, &sync);
if (err)
Log.report(logvisor::Fatal, "wait err");
m_vsynccv.notify_one();
}
glXMakeCurrent(vsyncDisp, 0, nullptr);
glXDestroyContext(vsyncDisp, vsyncCtx);
XUnlockDisplay(vsyncDisp);
XCloseDisplay(vsyncDisp);
});
initcv.wait(outerLk);
m_dataFactory = _NewVulkanDataFactory(this, m_ctx);
m_commandQueue = _NewVulkanCommandQueue(m_ctx, m_ctx->m_windows[m_parentWindow].get(), this);
m_commandQueue->startRenderer();
return true;
}
void makeCurrent() {}
void postInit() {}
IGraphicsCommandQueue* getCommandQueue()
{
return m_commandQueue.get();
}
IGraphicsDataFactory* getDataFactory()
{
return m_dataFactory.get();
}
IGraphicsDataFactory* getMainContextDataFactory()
{
return getDataFactory();
}
IGraphicsDataFactory* getLoadContextDataFactory()
{
return getDataFactory();
}
void present() {}
};
#endif
class WindowXlib : public IWindow
{
Display* m_xDisp;
IWindowCallback* m_callback;
Colormap m_colormapId;
Window m_windowId;
XIMStyle m_bestStyle;
XIC m_xIC = nullptr;
std::unique_ptr<GraphicsContextXlib> m_gfxCtx;
uint32_t m_visualId;
/* Key state trackers (for auto-repeat detection) */
std::unordered_set<unsigned long> m_charKeys;
std::unordered_set<unsigned long> m_specialKeys;
std::unordered_set<unsigned long> m_modKeys;
/* Last known input device id (0xffff if not yet set) */
int m_lastInputID = 0xffff;
ETouchType m_touchType = ETouchType::None;
/* Scroll valuators */
int m_hScrollValuator = -1;
int m_vScrollValuator = -1;
double m_hScrollLast = 0.0;
double m_vScrollLast = 0.0;
/* Cached window rectangle (to avoid repeated X queries) */
boo::SWindowRect m_wrect;
float m_pixelFactor;
bool m_inFs = false;
/* Cached window style */
EWindowStyle m_styleFlags;
/* Current cursor enum */
EMouseCursor m_cursor = EMouseCursor::None;
bool m_cursorWait = false;
static Cursor GetXCursor(EMouseCursor cur)
{
switch (cur)
{
case EMouseCursor::Pointer:
return X_CURSORS.m_pointer;
case EMouseCursor::HorizontalArrow:
return X_CURSORS.m_hArrow;
case EMouseCursor::VerticalArrow:
return X_CURSORS.m_vArrow;
case EMouseCursor::IBeam:
return X_CURSORS.m_ibeam;
case EMouseCursor::Crosshairs:
return X_CURSORS.m_crosshairs;
default: break;
}
return X_CURSORS.m_pointer;
}
bool m_openGL = false;
public:
WindowXlib(std::string_view title,
Display* display, void* xcbConn,
int defaultScreen, XIM xIM, XIMStyle bestInputStyle, XFontSet fontset,
GLXContext lastCtx, void* vulkanHandle, GLContext* glCtx)
: m_xDisp(display), m_callback(nullptr),
m_bestStyle(bestInputStyle)
{
if (!S_ATOMS)
S_ATOMS = new XlibAtoms(display);
for (int i = 1; i >= 0 ; --i)
{
#if BOO_HAS_VULKAN
if (vulkanHandle && i == 1)
{
m_gfxCtx.reset(new GraphicsContextXlibVulkan(this, display, (xcb_connection_t*)xcbConn, defaultScreen,
&g_VulkanContext, m_visualId, glCtx));
}
else
#endif
{
i = 0;
m_gfxCtx.reset(new GraphicsContextXlibGLX(IGraphicsContext::EGraphicsAPI::OpenGL3_3,
this, display, defaultScreen, lastCtx, m_visualId, glCtx));
m_openGL = true;
}
/* Default screen */
Screen* screen = ScreenOfDisplay(display, defaultScreen);
m_pixelFactor = screen->width / (float)screen->mwidth / REF_DPMM;
XVisualInfo visTemplate;
visTemplate.screen = defaultScreen;
int numVisuals;
XVisualInfo* visualList = XGetVisualInfo(display, VisualScreenMask, &visTemplate, &numVisuals);
Visual* selectedVisual = nullptr;
for (int i=0 ; i<numVisuals ; ++i)
{
if (visualList[i].visualid == m_visualId)
{
selectedVisual = visualList[i].visual;
break;
}
}
XFree(visualList);
/* Create colormap */
m_colormapId = XCreateColormap(m_xDisp, screen->root, selectedVisual, AllocNone);
/* Create window */
int x, y, w, h;
int nmonitors = 0;
XRRMonitorInfo* mInfo = XRRGetMonitors(m_xDisp, screen->root, true, &nmonitors);
if (nmonitors)
genFrameDefault(mInfo, x, y, w, h);
else
genFrameDefault(screen, x, y, w, h);
XRRFreeMonitors(mInfo);
XSetWindowAttributes swa;
swa.colormap = m_colormapId;
swa.border_pixmap = 0;
swa.event_mask = FocusChangeMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask | PointerMotionMask | ExposureMask | StructureNotifyMask | LeaveWindowMask | EnterWindowMask;
m_windowId = XCreateWindow(display, screen->root, x, y, w, h, 10,
CopyFromParent, CopyFromParent, selectedVisual,
CWBorderPixel | CWEventMask | CWColormap, &swa);
/*
* Now go create an IC using the style we chose.
* Also set the window and fontset attributes now.
*/
if (xIM)
{
XPoint pt = {0,0};
XVaNestedList nlist;
m_xIC = XCreateIC(xIM, XNInputStyle, bestInputStyle,
XNClientWindow, m_windowId,
XNFocusWindow, m_windowId,
XNPreeditAttributes, nlist = XVaCreateNestedList(0,
XNSpotLocation, &pt,
XNFontSet, fontset,
nullptr),
nullptr);
XFree(nlist);
long im_event_mask;
XGetICValues(m_xIC, XNFilterEvents, &im_event_mask, nullptr);
XSelectInput(display, m_windowId, swa.event_mask | im_event_mask);
XSetICFocus(m_xIC);
}
/* The XInput 2.1 extension enables per-pixel smooth scrolling trackpads */
XIEventMask mask = {XIAllMasterDevices, XIMaskLen(XI_LASTEVENT)};
mask.mask = (unsigned char*)malloc(mask.mask_len);
memset(mask.mask, 0, mask.mask_len);
/* XISetMask(mask.mask, XI_Motion); Can't do this without losing mouse move events :( */
XISetMask(mask.mask, XI_TouchBegin);
XISetMask(mask.mask, XI_TouchUpdate);
XISetMask(mask.mask, XI_TouchEnd);
XISelectEvents(m_xDisp, m_windowId, &mask, 1);
free(mask.mask);
/* Register netwm extension atom for window closing */
XSetWMProtocols(m_xDisp, m_windowId, &S_ATOMS->m_wmDeleteWindow, 1);
/* Set the title of the window */
const unsigned char* c_title = (unsigned char*)title.data();
XChangeProperty(m_xDisp, m_windowId, XA_WM_NAME, XA_STRING, 8, PropModeReplace, c_title, title.length());
/* Set the title of the window icon */
XChangeProperty(m_xDisp, m_windowId, XA_WM_ICON_NAME, XA_STRING, 8, PropModeReplace, c_title, title.length());
/* Add window icon */
if (MAINICON_NETWM_SZ && S_ATOMS->m_netwmIcon)
{
XChangeProperty(m_xDisp, m_windowId, S_ATOMS->m_netwmIcon, XA_CARDINAL,
32, PropModeReplace, MAINICON_NETWM, MAINICON_NETWM_SZ / sizeof(unsigned long));
}
/* Initialize context */
XMapWindow(m_xDisp, m_windowId);
setStyle(EWindowStyle::Default);
setCursor(EMouseCursor::Pointer);
setWindowFrameDefault();
XFlush(m_xDisp);
if (!m_gfxCtx->initializeContext(vulkanHandle))
{
XUnmapWindow(m_xDisp, m_windowId);
XDestroyWindow(m_xDisp, m_windowId);
XFreeColormap(m_xDisp, m_colormapId);
continue;
}
break;
}
}
~WindowXlib()
{
XLockDisplay(m_xDisp);
m_gfxCtx->destroy();
XUnmapWindow(m_xDisp, m_windowId);
XDestroyWindow(m_xDisp, m_windowId);
XFreeColormap(m_xDisp, m_colormapId);
XUnlockDisplay(m_xDisp);
APP->_deletedWindow(this);
}
void setCallback(IWindowCallback* cb)
{
m_callback = cb;
}
void closeWindow()
{
// TODO: Free window resources and prevent further access
XLockDisplay(m_xDisp);
XUnmapWindow(m_xDisp, m_windowId);
XUnlockDisplay(m_xDisp);
}
void showWindow()
{
XLockDisplay(m_xDisp);
XMapWindow(m_xDisp, m_windowId);
XUnlockDisplay(m_xDisp);
}
void hideWindow()
{
XLockDisplay(m_xDisp);
XUnmapWindow(m_xDisp, m_windowId);
XUnlockDisplay(m_xDisp);
}
std::string getTitle()
{
unsigned long nitems;
Atom actualType;
int actualFormat;
unsigned long bytes;
unsigned char* string = nullptr;
XLockDisplay(m_xDisp);
int ret = XGetWindowProperty(m_xDisp, m_windowId, XA_WM_NAME, 0, ~0l, False,
XA_STRING, &actualType, &actualFormat, &nitems, &bytes, &string);
XUnlockDisplay(m_xDisp);
if (ret == Success)
{
std::string retval((const char*)string);
XFree(string);
return retval;
}
return std::string();
}
void setTitle(std::string_view title)
{
const unsigned char* c_title = (unsigned char*)title.data();
XLockDisplay(m_xDisp);
XChangeProperty(m_xDisp, m_windowId, XA_WM_NAME, XA_STRING, 8,
PropModeReplace, c_title, title.length());
XUnlockDisplay(m_xDisp);
}
void setCursor(EMouseCursor cursor)
{
if (cursor == m_cursor && !m_cursorWait)
return;
m_cursor = cursor;
XLockDisplay(m_xDisp);
XDefineCursor(m_xDisp, m_windowId, GetXCursor(cursor));
XUnlockDisplay(m_xDisp);
}
void setWaitCursor(bool wait)
{
if (wait && !m_cursorWait)
{
XLockDisplay(m_xDisp);
XDefineCursor(m_xDisp, m_windowId, X_CURSORS.m_wait);
XUnlockDisplay(m_xDisp);
m_cursorWait = true;
}
else if (!wait && m_cursorWait)
{
setCursor(m_cursor);
m_cursorWait = false;
}
}
void setWindowFrameDefault()
{
int x, y, w, h, nmonitors;
Screen* screen = DefaultScreenOfDisplay(m_xDisp);
XRRMonitorInfo* mInfo = XRRGetMonitors(m_xDisp, screen->root, true, &nmonitors);
if (nmonitors)
genFrameDefault(mInfo, x, y, w, h);
else
genFrameDefault(screen, x, y, w, h);
XRRFreeMonitors(mInfo);
XWindowChanges values = {(int)x, (int)y, (int)w, (int)h};
XLockDisplay(m_xDisp);
XConfigureWindow(m_xDisp, m_windowId, CWX|CWY|CWWidth|CWHeight, &values);
XUnlockDisplay(m_xDisp);
}
void getWindowFrame(float& xOut, float& yOut, float& wOut, float& hOut) const
{
XWindowAttributes attrs;
XLockDisplay(m_xDisp);
XGetWindowAttributes(m_xDisp, m_windowId, &attrs);
XUnlockDisplay(m_xDisp);
xOut = attrs.x;
yOut = attrs.y;
wOut = attrs.width;
hOut = attrs.height;
}
void getWindowFrame(int& xOut, int& yOut, int& wOut, int& hOut) const
{
XWindowAttributes attrs;
XLockDisplay(m_xDisp);
XGetWindowAttributes(m_xDisp, m_windowId, &attrs);
XUnlockDisplay(m_xDisp);
xOut = attrs.x;
yOut = attrs.y;
wOut = attrs.width;
hOut = attrs.height;
}
void setWindowFrame(float x, float y, float w, float h)
{
XWindowChanges values = {(int)x, (int)y, (int)w, (int)h};
XLockDisplay(m_xDisp);
XConfigureWindow(m_xDisp, m_windowId, CWX|CWY|CWWidth|CWHeight, &values);
XUnlockDisplay(m_xDisp);
}
void setWindowFrame(int x, int y, int w, int h)
{
XWindowChanges values = {x, y, w, h};
XLockDisplay(m_xDisp);
XConfigureWindow(m_xDisp, m_windowId, CWX|CWY|CWWidth|CWHeight, &values);
XUnlockDisplay(m_xDisp);
}
float getVirtualPixelFactor() const
{
return m_pixelFactor;
}
bool isFullscreen() const
{
return m_inFs;
unsigned long nitems;
Atom actualType;
int actualFormat;
unsigned long bytes;
Atom* vals = nullptr;
bool fullscreen = false;
XLockDisplay(m_xDisp);
int ret = XGetWindowProperty(m_xDisp, m_windowId, S_ATOMS->m_netwmState, 0, ~0l, False,
XA_ATOM, &actualType, &actualFormat, &nitems, &bytes, (unsigned char**)&vals);
XUnlockDisplay(m_xDisp);
if (ret == Success)
{
for (int i=0 ; i<nitems ; ++i)
{
if (vals[i] == S_ATOMS->m_netwmStateFullscreen)
{
fullscreen = true;
break;
}
}
XFree(vals);
return fullscreen;
}
return false;
}
void setStyle(EWindowStyle style)
{
struct
{
unsigned long flags;
unsigned long functions;
unsigned long decorations;
long inputMode;
unsigned long status;
} wmHints = {0};
if (S_ATOMS->m_motifWmHints)
{
wmHints.flags = MWM_HINTS_DECORATIONS | MWM_HINTS_FUNCTIONS;
if ((style & EWindowStyle::Titlebar) != EWindowStyle::None)
{
wmHints.decorations |= MWM_DECOR_BORDER | MWM_DECOR_TITLE | MWM_DECOR_MINIMIZE | MWM_DECOR_MENU;
wmHints.functions |= MWM_FUNC_MOVE | MWM_FUNC_MINIMIZE;
}
if ((style & EWindowStyle::Resize) != EWindowStyle::None)
{
wmHints.decorations |= MWM_DECOR_MAXIMIZE | MWM_DECOR_RESIZEH;
wmHints.functions |= MWM_FUNC_RESIZE | MWM_FUNC_MAXIMIZE;
}
if ((style & EWindowStyle::Close) != EWindowStyle::None)
wmHints.functions |= MWM_FUNC_CLOSE;
XLockDisplay(m_xDisp);
XChangeProperty(m_xDisp, m_windowId, S_ATOMS->m_motifWmHints, S_ATOMS->m_motifWmHints, 32, PropModeReplace, (unsigned char*)&wmHints, 5);
XUnlockDisplay(m_xDisp);
}
m_styleFlags = style;
}
EWindowStyle getStyle() const
{
return m_styleFlags;
}
void setFullscreen(bool fs)
{
if (fs == m_inFs)
return;
XEvent fsEvent = {0};
fsEvent.xclient.type = ClientMessage;
fsEvent.xclient.serial = 0;
fsEvent.xclient.send_event = True;
fsEvent.xclient.window = m_windowId;
fsEvent.xclient.message_type = S_ATOMS->m_netwmState;
fsEvent.xclient.format = 32;
fsEvent.xclient.data.l[0] = fs;
fsEvent.xclient.data.l[1] = S_ATOMS->m_netwmStateFullscreen;
fsEvent.xclient.data.l[2] = 0;
XLockDisplay(m_xDisp);
XSendEvent(m_xDisp, DefaultRootWindow(m_xDisp), False,
StructureNotifyMask | SubstructureRedirectMask, (XEvent*)&fsEvent);
XUnlockDisplay(m_xDisp);
m_inFs = fs;
}
struct ClipData
{
EClipboardType m_type = EClipboardType::None;
std::unique_ptr<uint8_t[]> m_data;
size_t m_sz = 0;
void clear()
{
m_type = EClipboardType::None;
m_data.reset();
m_sz = 0;
}
} m_clipData;
void claimKeyboardFocus(const int coord[2])
{
if (m_xIC)
{
XLockDisplay(m_xDisp);
if (!coord)
{
XUnsetICFocus(m_xIC);
XUnlockDisplay(m_xDisp);
return;
}
getWindowFrame(m_wrect.location[0], m_wrect.location[1], m_wrect.size[0], m_wrect.size[1]);
XPoint pt = {short(coord[0]), short(m_wrect.size[1] - coord[1])};
XVaNestedList list = XVaCreateNestedList(0, XNSpotLocation, &pt, nullptr);
XSetICValues(m_xIC, XNPreeditAttributes, list, nullptr);
XFree(list);
XSetICFocus(m_xIC);
XUnlockDisplay(m_xDisp);
}
}
bool clipboardCopy(EClipboardType type, const uint8_t* data, size_t sz)
{
Atom xType = GetClipboardTypeAtom(type);
if (!xType)
return false;
XLockDisplay(m_xDisp);
m_clipData.m_type = type;
m_clipData.m_data.reset(new uint8_t[sz]);
m_clipData.m_sz = sz;
memcpy(m_clipData.m_data.get(), data, sz);
XSetSelectionOwner(m_xDisp, S_ATOMS->m_clipboard, m_windowId, CurrentTime);
XUnlockDisplay(m_xDisp);
return true;
}
std::unique_ptr<uint8_t[]> clipboardPaste(EClipboardType type, size_t& sz)
{
Atom xType = GetClipboardTypeAtom(type);
if (!xType)
return {};
XLockDisplay(m_xDisp);
XConvertSelection(m_xDisp, S_ATOMS->m_clipboard, xType, S_ATOMS->m_clipdata, m_windowId, CurrentTime);
XFlush(m_xDisp);
XEvent event;
for (int i=0 ; i<20; ++i)
{
if (XCheckTypedWindowEvent(m_xDisp, m_windowId, SelectionNotify, &event))
{
if (event.xselection.property != 0)
{
XSync(m_xDisp, false);
unsigned long nitems, rem;
int format;
unsigned char* data;
Atom type;
Atom t1 = S_ATOMS->m_clipboard;
Atom t2 = S_ATOMS->m_clipdata;
if (XGetWindowProperty(m_xDisp, m_windowId, S_ATOMS->m_clipdata, 0, 32, False, AnyPropertyType,
&type, &format, &nitems, &rem, &data))
{
Log.report(logvisor::Fatal, "Clipboard allocation failed");
XUnlockDisplay(m_xDisp);
return {};
}
if (rem != 0)
{
Log.report(logvisor::Fatal, "partial clipboard read");
XUnlockDisplay(m_xDisp);
return {};
}
sz = nitems * format / 8;
std::unique_ptr<uint8_t[]> ret(new uint8_t[sz]);
memcpy(ret.get(), data, sz);
XFree(data);
XUnlockDisplay(m_xDisp);
return ret;
}
XUnlockDisplay(m_xDisp);
return {};
}
if (XCheckTypedWindowEvent(m_xDisp, m_windowId, SelectionRequest, &event) &&
event.xselectionrequest.owner == m_windowId)
handleSelectionRequest(&event.xselectionrequest);
if (XCheckTypedWindowEvent(m_xDisp, m_windowId, SelectionClear, &event) &&
event.xselectionclear.window == m_windowId)
m_clipData.clear();
std::this_thread::sleep_for(std::chrono::milliseconds(100));
}
XUnlockDisplay(m_xDisp);
return {};
}
void handleSelectionRequest(XSelectionRequestEvent* se)
{
XEvent reply;
reply.xselection.type = SelectionNotify;
reply.xselection.display = m_xDisp;
reply.xselection.requestor = se->requestor;
reply.xselection.selection = se->selection;
reply.xselection.target = se->target;
reply.xselection.time = se->time;
reply.xselection.property = se->property;
if (se->target == S_ATOMS->m_targets)
{
Atom ValidTargets[] = {GetClipboardTypeAtom(m_clipData.m_type)};
XChangeProperty(m_xDisp, se->requestor, se->property, XA_ATOM,
32, 0, (unsigned char*)ValidTargets, m_clipData.m_type != EClipboardType::None);
}
else
{
if (se->target == GetClipboardTypeAtom(m_clipData.m_type))
{
XChangeProperty(m_xDisp, se->requestor, se->property, se->target, 8, PropModeReplace,
m_clipData.m_data.get(), m_clipData.m_sz);
}
else
reply.xselection.property = 0;
}
XSendEvent(m_xDisp, se->requestor, False, 0, &reply);
}
void waitForRetrace(IAudioVoiceEngine* engine)
{
if (engine)
engine->pumpAndMixVoices();
std::unique_lock<std::mutex> lk(m_gfxCtx->m_vsyncmt);
m_gfxCtx->m_vsynccv.wait(lk);
}
uintptr_t getPlatformHandle() const
{
return (uintptr_t)m_windowId;
}
void _pointingDeviceChanged(int deviceId)
{
int nDevices;
XIDeviceInfo* devices = XIQueryDevice(m_xDisp, deviceId, &nDevices);
for (int i=0 ; i<nDevices ; ++i)
{
XIDeviceInfo* device = &devices[i];
/* First iterate classes for scrollables */
int hScroll = -1;
int vScroll = -1;
m_hScrollLast = 0.0;
m_vScrollLast = 0.0;
m_hScrollValuator = -1;
m_vScrollValuator = -1;
for (int j=0 ; j<device->num_classes ; ++j)
{
XIAnyClassInfo* dclass = device->classes[j];
if (dclass->type == XIScrollClass)
{
XIScrollClassInfo* scrollClass = (XIScrollClassInfo*)dclass;
if (scrollClass->scroll_type == XIScrollTypeVertical)
vScroll = scrollClass->number;
else if (scrollClass->scroll_type == XIScrollTypeHorizontal)
hScroll = scrollClass->number;
}
}
/* Next iterate for touch and scroll valuators */
for (int j=0 ; j<device->num_classes ; ++j)
{
XIAnyClassInfo* dclass = device->classes[j];
if (dclass->type == XIValuatorClass)
{
XIValuatorClassInfo* valClass = (XIValuatorClassInfo*)dclass;
if (valClass->number == vScroll)
{
m_vScrollLast = valClass->value;
m_vScrollValuator = vScroll;
}
else if (valClass->number == hScroll)
{
m_hScrollLast = valClass->value;
m_hScrollValuator = hScroll;
}
}
else if (dclass->type == XITouchClass)
{
XITouchClassInfo* touchClass = (XITouchClassInfo*)dclass;
if (touchClass->mode == XIDirectTouch)
m_touchType = ETouchType::Display;
else if (touchClass->mode == XIDependentTouch)
m_touchType = ETouchType::Trackpad;
else
m_touchType = ETouchType::None;
}
}
}
XIFreeDeviceInfo(devices);
m_lastInputID = deviceId;
}
SWindowCoord MakeButtonEventCoord(XEvent* event) const
{
int x = event->xbutton.x;
int y = m_wrect.size[1]-event->xbutton.y;
return
{
{x, y},
{int(x / m_pixelFactor), int(y / m_pixelFactor)},
{x / float(m_wrect.size[0]), y / float(m_wrect.size[1])}
};
}
SWindowCoord MakeMotionEventCoord(XEvent* event) const
{
int x = event->xmotion.x;
int y = m_wrect.size[1]-event->xmotion.y;
return
{
{x, y},
{int(x / m_pixelFactor), int(y / m_pixelFactor)},
{x / float(m_wrect.size[0]), y / float(m_wrect.size[1])}
};
}
SWindowCoord MakeCrossingEventCoord(XEvent* event) const
{
int x = event->xcrossing.x;
int y = m_wrect.size[1]-event->xcrossing.y;
return
{
{x, y},
{int(x / m_pixelFactor), int(y / m_pixelFactor)},
{x / float(m_wrect.size[0]), y / float(m_wrect.size[1])}
};
}
#if 0
/* This procedure sets the application's size constraints and returns
* the IM's preferred size for either the Preedit or Status areas,
* depending on the value of the name argument. The area argument is
* used to pass the constraints and to return the preferred size.
*/
void GetPreferredGeometry(const char* name, XRectangle* area)
{
XVaNestedList list;
list = XVaCreateNestedList(0, XNAreaNeeded, area, nullptr);
/* set the constraints */
XSetICValues(m_xIC, name, list, nullptr);
/* query the preferred size */
XGetICValues(m_xIC, name, list, nullptr);
XFree(list);
}
/* This procedure sets the geometry of either the Preedit or Status
* Areas, depending on the value of the name argument.
*/
void SetGeometry(const char* name, XRectangle* area)
{
XVaNestedList list;
list = XVaCreateNestedList(0, XNArea, area, nullptr);
XSetICValues(m_xIC, name, list, nullptr);
XFree(list);
}
#endif
bool _incomingEvent(void* e)
{
XEvent* event = (XEvent*)e;
switch (event->type)
{
case SelectionRequest:
{
handleSelectionRequest(&event->xselectionrequest);
return false;
}
case ClientMessage:
{
if (event->xclient.data.l[0] == S_ATOMS->m_wmDeleteWindow && m_callback)
{
m_callback->destroyed();
m_callback = nullptr;
}
return true;
}
case Expose:
{
Window nw;
XWindowAttributes wxa;
int x, y;
XTranslateCoordinates(m_xDisp, m_windowId, DefaultRootWindow(m_xDisp), event->xexpose.x, event->xexpose.y, &x, &y, &nw);
XGetWindowAttributes(m_xDisp, m_windowId, &wxa);
m_wrect.location[0] = x - wxa.x;
m_wrect.location[1] = y - wxa.y;
#if 0
/* This breaks with GNOME, why? */
m_wrect.size[0] = event->xexpose.width;
m_wrect.size[1] = event->xexpose.height;
#else
m_wrect.size[0] = wxa.width;
m_wrect.size[1] = wxa.height;
#endif
if (m_callback)
{
XUnlockDisplay(m_xDisp);
m_gfxCtx->resized(m_wrect);
m_callback->resized(m_wrect, m_openGL);
XLockDisplay(m_xDisp);
}
return false;
}
case ConfigureNotify:
{
Window nw;
XWindowAttributes wxa;
int x, y;
XTranslateCoordinates(m_xDisp, m_windowId, DefaultRootWindow(m_xDisp), event->xconfigure.x, event->xconfigure.y, &x, &y, &nw);
XGetWindowAttributes(m_xDisp, m_windowId, &wxa);
m_wrect.location[0] = x - wxa.x;
m_wrect.location[1] = y - wxa.y;
m_wrect.size[0] = event->xconfigure.width;
m_wrect.size[1] = event->xconfigure.height;
if (m_callback)
m_callback->windowMoved(m_wrect);
return false;
}
case KeyPress:
{
if (m_callback)
{
ESpecialKey specialKey;
EModifierKey modifierKey;
unsigned int state = event->xkey.state;
event->xkey.state &= ~ControlMask;
ITextInputCallback* inputCb = m_callback->getTextInputCallback();
if (m_xIC)
{
std::string utf8Frag = translateUTF8(&event->xkey, m_xIC);
if (utf8Frag.size())
{
if (inputCb)
inputCb->insertText(utf8Frag);
return false;
}
}
char charCode = translateKeysym(&event->xkey, specialKey, modifierKey);
EModifierKey modifierMask = translateModifiers(state);
if (charCode)
{
if (inputCb &&
(modifierMask & (EModifierKey::Ctrl|EModifierKey::Command)) == EModifierKey::None)
inputCb->insertText(std::string(1, charCode));
bool isRepeat = m_charKeys.find(charCode) != m_charKeys.cend();
m_callback->charKeyDown(charCode, modifierMask, isRepeat);
if (!isRepeat)
m_charKeys.insert(charCode);
}
else if (specialKey != ESpecialKey::None)
{
bool isRepeat = m_specialKeys.find((unsigned long)specialKey) != m_specialKeys.cend();
m_callback->specialKeyDown(specialKey, modifierMask, isRepeat);
if (!isRepeat)
m_specialKeys.insert((unsigned long)specialKey);
}
else if (modifierKey != EModifierKey::None)
{
bool isRepeat = m_modKeys.find((unsigned long)modifierKey) != m_modKeys.cend();
m_callback->modKeyDown(modifierKey, isRepeat);
if (!isRepeat)
m_modKeys.insert((unsigned long)modifierKey);
}
}
return false;
}
case KeyRelease:
{
if (m_callback)
{
ESpecialKey specialKey;
EModifierKey modifierKey;
unsigned int state = event->xkey.state;
event->xkey.state &= ~ControlMask;
char charCode = translateKeysym(&event->xkey, specialKey, modifierKey);
EModifierKey modifierMask = translateModifiers(state);
if (charCode)
{
m_charKeys.erase(charCode);
m_callback->charKeyUp(charCode, modifierMask);
}
else if (specialKey != ESpecialKey::None)
{
m_specialKeys.erase((unsigned long)specialKey);
m_callback->specialKeyUp(specialKey, modifierMask);
}
else if (modifierKey != EModifierKey::None)
{
m_modKeys.erase((unsigned long)modifierKey);
m_callback->modKeyUp(modifierKey);
}
}
return false;
}
case ButtonPress:
{
if (m_callback)
{
getWindowFrame(m_wrect.location[0], m_wrect.location[1], m_wrect.size[0], m_wrect.size[1]);
EMouseButton button = translateButton(event->xbutton.button);
if (button != EMouseButton::None)
{
EModifierKey modifierMask = translateModifiers(event->xbutton.state);
m_callback->mouseDown(MakeButtonEventCoord(event), (EMouseButton)button,
(EModifierKey)modifierMask);
}
/* Also handle legacy scroll events here */
if (event->xbutton.button >= 4 && event->xbutton.button <= 7 &&
m_hScrollValuator == -1 && m_vScrollValuator == -1)
{
SScrollDelta scrollDelta =
{
{0.0, 0.0},
false
};
if (event->xbutton.button == 4)
scrollDelta.delta[1] = 1.0;
else if (event->xbutton.button == 5)
scrollDelta.delta[1] = -1.0;
else if (event->xbutton.button == 6)
scrollDelta.delta[0] = 1.0;
else if (event->xbutton.button == 7)
scrollDelta.delta[0] = -1.0;
m_callback->scroll(MakeButtonEventCoord(event), scrollDelta);
}
}
return false;
}
case ButtonRelease:
{
if (m_callback)
{
getWindowFrame(m_wrect.location[0], m_wrect.location[1], m_wrect.size[0], m_wrect.size[1]);
EMouseButton button = translateButton(event->xbutton.button);
if (button != EMouseButton::None)
{
EModifierKey modifierMask = translateModifiers(event->xbutton.state);
m_callback->mouseUp(MakeButtonEventCoord(event), (EMouseButton)button,
(EModifierKey)modifierMask);
}
}
return false;
}
case FocusIn:
{
if (m_callback)
m_callback->focusGained();
return false;
}
case FocusOut:
{
if (m_callback)
m_callback->focusLost();
return false;
}
case MotionNotify:
{
if (m_callback)
{
getWindowFrame(m_wrect.location[0], m_wrect.location[1], m_wrect.size[0], m_wrect.size[1]);
m_callback->mouseMove(MakeMotionEventCoord(event));
}
return false;
}
case EnterNotify:
{
if (m_callback)
{
getWindowFrame(m_wrect.location[0], m_wrect.location[1], m_wrect.size[0], m_wrect.size[1]);
m_callback->mouseEnter(MakeCrossingEventCoord(event));
}
return false;
}
case LeaveNotify:
{
if (m_callback)
{
getWindowFrame(m_wrect.location[0], m_wrect.location[1], m_wrect.size[0], m_wrect.size[1]);
m_callback->mouseLeave(MakeCrossingEventCoord(event));
}
return false;
}
case GenericEvent:
{
if (event->xgeneric.extension == XINPUT_OPCODE)
{
getWindowFrame(m_wrect.location[0], m_wrect.location[1], m_wrect.size[0], m_wrect.size[1]);
switch (event->xgeneric.evtype)
{
case XI_Motion:
{
fprintf(stderr, "motion\n");
XIDeviceEvent* ev = (XIDeviceEvent*)event;
if (m_lastInputID != ev->deviceid)
_pointingDeviceChanged(ev->deviceid);
int cv = 0;
double newScroll[2] = {m_hScrollLast, m_vScrollLast};
bool didScroll = false;
for (int i=0 ; i<ev->valuators.mask_len*8 ; ++i)
{
if (XIMaskIsSet(ev->valuators.mask, i))
{
if (i == m_hScrollValuator)
{
newScroll[0] = ev->valuators.values[cv];
didScroll = true;
}
else if (i == m_vScrollValuator)
{
newScroll[1] = ev->valuators.values[cv];
didScroll = true;
}
++cv;
}
}
SScrollDelta scrollDelta =
{
{newScroll[0] - m_hScrollLast, newScroll[1] - m_vScrollLast},
true
};
m_hScrollLast = newScroll[0];
m_vScrollLast = newScroll[1];
if (m_callback && didScroll)
{
int event_x = int(ev->event_x) >> 16;
int event_y = m_wrect.size[1] - (int(ev->event_y) >> 16);
SWindowCoord coord =
{
{event_x, event_y},
{int(event_x / m_pixelFactor), int(event_y / m_pixelFactor)},
{event_x / float(m_wrect.size[0]), event_y / float(m_wrect.size[1])}
};
m_callback->scroll(coord, scrollDelta);
}
return false;
}
case XI_TouchBegin:
{
XIDeviceEvent* ev = (XIDeviceEvent*)event;
if (m_lastInputID != ev->deviceid)
_pointingDeviceChanged(ev->deviceid);
int cv = 0;
double vals[32] = {};
for (int i=0 ; i<ev->valuators.mask_len*8 && i<32 ; ++i)
{
if (XIMaskIsSet(ev->valuators.mask, i))
{
vals[i] = ev->valuators.values[cv];
++cv;
}
}
STouchCoord coord =
{
{vals[0], vals[1]}
};
if (m_callback)
m_callback->touchDown(coord, ev->detail);
return false;
}
case XI_TouchUpdate:
{
XIDeviceEvent* ev = (XIDeviceEvent*)event;
if (m_lastInputID != ev->deviceid)
_pointingDeviceChanged(ev->deviceid);
int cv = 0;
double vals[32] = {};
for (int i=0 ; i<ev->valuators.mask_len*8 && i<32 ; ++i)
{
if (XIMaskIsSet(ev->valuators.mask, i))
{
vals[i] = ev->valuators.values[cv];
++cv;
}
}
STouchCoord coord =
{
{vals[0], vals[1]}
};
if (m_callback)
m_callback->touchMove(coord, ev->detail);
return false;
}
case XI_TouchEnd:
{
XIDeviceEvent* ev = (XIDeviceEvent*)event;
if (m_lastInputID != ev->deviceid)
_pointingDeviceChanged(ev->deviceid);
int cv = 0;
double vals[32] = {};
for (int i=0 ; i<ev->valuators.mask_len*8 && i<32 ; ++i)
{
if (XIMaskIsSet(ev->valuators.mask, i))
{
vals[i] = ev->valuators.values[cv];
++cv;
}
}
STouchCoord coord =
{
{vals[0], vals[1]}
};
if (m_callback)
m_callback->touchUp(coord, ev->detail);
return false;
}
}
}
}
}
return false;
}
ETouchType getTouchType() const
{
return m_touchType;
}
IGraphicsCommandQueue* getCommandQueue()
{
return m_gfxCtx->getCommandQueue();
}
IGraphicsDataFactory* getDataFactory()
{
return m_gfxCtx->getDataFactory();
}
IGraphicsDataFactory* getMainContextDataFactory()
{
return m_gfxCtx->getMainContextDataFactory();
}
IGraphicsDataFactory* getLoadContextDataFactory()
{
return m_gfxCtx->getLoadContextDataFactory();
}
bool _isWindowMapped()
{
XWindowAttributes attr;
XLockDisplay(m_xDisp);
XGetWindowAttributes(m_xDisp, m_windowId, &attr);
XUnlockDisplay(m_xDisp);
return attr.map_state != IsUnmapped;
}
};
std::shared_ptr<IWindow> _WindowXlibNew(std::string_view title,
Display* display, void* xcbConn,
int defaultScreen, XIM xIM, XIMStyle bestInputStyle, XFontSet fontset,
GLXContext lastCtx, void* vulkanHandle, GLContext* glCtx)
{
XLockDisplay(display);
std::shared_ptr<IWindow> ret = std::make_shared<WindowXlib>(title, display, xcbConn,
defaultScreen, xIM, bestInputStyle, fontset, lastCtx,
vulkanHandle, glCtx);
XUnlockDisplay(display);
return ret;
}
}
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