2021-05-10 22:16:42 +00:00
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#include "opengl/VISIRendererOpenGL.hpp"
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2017-02-26 02:43:27 +00:00
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#include <X11/Xlib.h>
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#include <X11/Xatom.h>
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#include <GL/glx.h>
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#include "athena/Global.hpp"
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#include "logvisor/logvisor.hpp"
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2021-03-28 18:07:38 +00:00
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#include "../version.h"
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2017-02-26 02:43:27 +00:00
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#include <thread>
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#include <condition_variable>
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2017-12-29 08:08:12 +00:00
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#include <cstdint>
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2017-02-26 02:43:27 +00:00
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#include <limits.h>
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#include <signal.h>
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2018-12-08 05:30:43 +00:00
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#define MWM_HINTS_FUNCTIONS (1L << 0)
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2017-02-26 02:43:27 +00:00
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#define MWM_HINTS_DECORATIONS (1L << 1)
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2018-12-08 05:30:43 +00:00
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#define MWM_DECOR_BORDER (1L << 1)
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#define MWM_DECOR_RESIZEH (1L << 2)
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#define MWM_DECOR_TITLE (1L << 3)
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#define MWM_DECOR_MENU (1L << 4)
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#define MWM_DECOR_MINIMIZE (1L << 5)
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#define MWM_DECOR_MAXIMIZE (1L << 6)
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2017-02-26 02:43:27 +00:00
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2018-12-08 05:30:43 +00:00
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#define MWM_FUNC_RESIZE (1L << 1)
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#define MWM_FUNC_MOVE (1L << 2)
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#define MWM_FUNC_MINIMIZE (1L << 3)
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#define MWM_FUNC_MAXIMIZE (1L << 4)
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#define MWM_FUNC_CLOSE (1L << 5)
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2017-02-26 02:43:27 +00:00
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typedef GLXContext (*glXCreateContextAttribsARBProc)(Display*, GLXFBConfig, GLXContext, Bool, const int*);
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2018-04-10 15:32:43 +00:00
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static glXCreateContextAttribsARBProc glXCreateContextAttribsARB = nullptr;
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2017-02-26 02:43:27 +00:00
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2018-12-08 05:30:43 +00:00
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static const int ContextAttribList[7][7] = {
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{GLX_CONTEXT_MAJOR_VERSION_ARB, 4, GLX_CONTEXT_MINOR_VERSION_ARB, 5, GLX_CONTEXT_FLAGS_ARB,
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GLX_CONTEXT_CORE_PROFILE_BIT_ARB, 0},
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{GLX_CONTEXT_MAJOR_VERSION_ARB, 4, GLX_CONTEXT_MINOR_VERSION_ARB, 4, GLX_CONTEXT_FLAGS_ARB,
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GLX_CONTEXT_CORE_PROFILE_BIT_ARB, 0},
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{GLX_CONTEXT_MAJOR_VERSION_ARB, 4, GLX_CONTEXT_MINOR_VERSION_ARB, 3, GLX_CONTEXT_FLAGS_ARB,
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GLX_CONTEXT_CORE_PROFILE_BIT_ARB, 0},
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{GLX_CONTEXT_MAJOR_VERSION_ARB, 4, GLX_CONTEXT_MINOR_VERSION_ARB, 2, GLX_CONTEXT_FLAGS_ARB,
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GLX_CONTEXT_CORE_PROFILE_BIT_ARB, 0},
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{GLX_CONTEXT_MAJOR_VERSION_ARB, 4, GLX_CONTEXT_MINOR_VERSION_ARB, 1, GLX_CONTEXT_FLAGS_ARB,
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GLX_CONTEXT_CORE_PROFILE_BIT_ARB, 0},
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{GLX_CONTEXT_MAJOR_VERSION_ARB, 4, GLX_CONTEXT_MINOR_VERSION_ARB, 0, GLX_CONTEXT_FLAGS_ARB,
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GLX_CONTEXT_CORE_PROFILE_BIT_ARB, 0},
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{GLX_CONTEXT_MAJOR_VERSION_ARB, 3, GLX_CONTEXT_MINOR_VERSION_ARB, 3, GLX_CONTEXT_FLAGS_ARB,
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GLX_CONTEXT_CORE_PROFILE_BIT_ARB, 0},
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2017-02-26 02:43:27 +00:00
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};
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static bool s_glxError;
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2018-12-08 05:30:43 +00:00
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static int ctxErrorHandler(Display* /*dpy*/, XErrorEvent* /*ev*/) {
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s_glxError = true;
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return 0;
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2017-02-26 02:43:27 +00:00
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}
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static logvisor::Module Log("visigen-xlib");
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static logvisor::Module AthenaLog("Athena");
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2019-07-20 04:27:21 +00:00
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static void AthenaExc(athena::error::Level level, const char* /*file*/, const char*, int /*line*/,
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fmt::string_view fmt, fmt::format_args args) {
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AthenaLog.vreport(logvisor::Level(level), fmt, args);
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2017-02-26 02:43:27 +00:00
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}
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static Display* xDisp;
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static Window windowId;
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2018-12-08 05:30:43 +00:00
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static void UpdatePercent(float percent) {
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XLockDisplay(xDisp);
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2020-04-11 22:51:39 +00:00
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std::string title = fmt::format(FMT_STRING("VISIGen [{:g}%]"), double(percent * 100.f));
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2019-07-20 04:27:21 +00:00
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XChangeProperty(xDisp, windowId, XA_WM_NAME, XA_STRING, 8, PropModeReplace,
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reinterpret_cast<const unsigned char*>(title.c_str()), int(title.size()));
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2018-12-08 05:30:43 +00:00
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XUnlockDisplay(xDisp);
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2017-02-26 02:43:27 +00:00
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}
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/* Empty handler for SIGINT */
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static void _sigint(int) {}
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2018-12-08 05:30:43 +00:00
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int main(int argc, const char** argv) {
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if (argc > 1 && !strcmp(argv[1], "--dlpackage")) {
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2021-04-06 22:58:11 +00:00
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fmt::print(FMT_STRING("{}\n"), METAFORCE_DLPACKAGE);
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2018-12-08 05:30:43 +00:00
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return 100;
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}
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/* Program is portable to all locales */
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setlocale(LC_ALL, "");
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logvisor::RegisterStandardExceptions();
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logvisor::RegisterConsoleLogger();
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atSetExceptionHandler(AthenaExc);
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2021-05-05 23:43:30 +00:00
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VISIRendererOpenGL renderer(argc, argv);
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2018-12-08 05:30:43 +00:00
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if (!XInitThreads()) {
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2020-04-11 22:51:39 +00:00
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Log.report(logvisor::Error, FMT_STRING("X doesn't support multithreading"));
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2018-12-08 05:30:43 +00:00
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return 1;
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}
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/* Open Xlib Display */
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xDisp = XOpenDisplay(nullptr);
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if (!xDisp) {
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2020-04-11 22:51:39 +00:00
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Log.report(logvisor::Error, FMT_STRING("Can't open X display"));
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2018-12-08 05:30:43 +00:00
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return 1;
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}
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/* Default screen */
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int xDefaultScreen = DefaultScreen(xDisp);
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Screen* screen = ScreenOfDisplay(xDisp, xDefaultScreen);
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/* Query framebuffer configurations */
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GLXFBConfig* fbConfigs = nullptr;
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int numFBConfigs = 0;
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fbConfigs = glXGetFBConfigs(xDisp, xDefaultScreen, &numFBConfigs);
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if (!fbConfigs || numFBConfigs == 0) {
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2020-04-11 22:51:39 +00:00
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Log.report(logvisor::Error, FMT_STRING("glXGetFBConfigs failed"));
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2018-12-08 05:30:43 +00:00
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return 1;
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}
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VisualID selVisualId = 0;
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GLXFBConfig selFBConfig = nullptr;
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for (int i = 0; i < numFBConfigs; ++i) {
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GLXFBConfig config = fbConfigs[i];
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int visualId, depthSize, colorSize, doubleBuffer;
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glXGetFBConfigAttrib(xDisp, config, GLX_VISUAL_ID, &visualId);
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glXGetFBConfigAttrib(xDisp, config, GLX_DEPTH_SIZE, &depthSize);
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glXGetFBConfigAttrib(xDisp, config, GLX_BUFFER_SIZE, &colorSize);
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glXGetFBConfigAttrib(xDisp, config, GLX_DOUBLEBUFFER, &doubleBuffer);
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/* Single-buffer only */
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if (doubleBuffer)
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continue;
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if (colorSize >= 32 && depthSize >= 24 && visualId != 0) {
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selFBConfig = config;
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selVisualId = VisualID(visualId);
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break;
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2017-02-26 02:43:27 +00:00
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}
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2018-12-08 05:30:43 +00:00
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}
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XFree(fbConfigs);
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if (!selFBConfig) {
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2020-04-11 22:51:39 +00:00
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Log.report(logvisor::Error, FMT_STRING("unable to find suitable pixel format"));
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2018-12-08 05:30:43 +00:00
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return 1;
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}
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XVisualInfo visTemplate = {};
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visTemplate.screen = xDefaultScreen;
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int numVisuals;
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XVisualInfo* visualList = XGetVisualInfo(xDisp, VisualScreenMask, &visTemplate, &numVisuals);
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Visual* selectedVisual = nullptr;
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for (int i = 0; i < numVisuals; ++i) {
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if (visualList[i].visualid == selVisualId) {
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selectedVisual = visualList[i].visual;
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break;
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2017-02-26 02:43:27 +00:00
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}
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2018-12-08 05:30:43 +00:00
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}
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XFree(visualList);
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/* Create colormap */
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Colormap colormapId = XCreateColormap(xDisp, screen->root, selectedVisual, AllocNone);
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/* Create window */
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XSetWindowAttributes swa;
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swa.colormap = colormapId;
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swa.border_pixmap = 0;
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swa.event_mask = 0;
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int instIdx = -1;
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if (argc > 3)
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instIdx = atoi(argv[3]);
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int x = 0;
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int y = 0;
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if (instIdx != -1) {
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x = (instIdx & 1) != 0;
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y = (instIdx & 2) != 0;
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}
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windowId = XCreateWindow(xDisp, screen->root, x, y, 768, 512, 10, CopyFromParent, CopyFromParent, selectedVisual,
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CWBorderPixel | CWEventMask | CWColormap, &swa);
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if (!glXCreateContextAttribsARB) {
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glXCreateContextAttribsARB = reinterpret_cast<glXCreateContextAttribsARBProc>(
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glXGetProcAddressARB(reinterpret_cast<const GLubyte*>("glXCreateContextAttribsARB")));
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if (!glXCreateContextAttribsARB) {
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2020-04-11 22:51:39 +00:00
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Log.report(logvisor::Error, FMT_STRING("unable to resolve glXCreateContextAttribsARB"));
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2018-12-08 05:30:43 +00:00
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return 1;
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2017-02-26 02:43:27 +00:00
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}
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2018-12-08 05:30:43 +00:00
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}
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s_glxError = false;
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XErrorHandler oldHandler = XSetErrorHandler(ctxErrorHandler);
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GLXContext glxCtx = nullptr;
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for (uint32_t attribIdx = 0; attribIdx < std::extent<decltype(ContextAttribList)>::value; ++attribIdx) {
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glxCtx = glXCreateContextAttribsARB(xDisp, selFBConfig, nullptr, True, ContextAttribList[attribIdx]);
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if (glxCtx)
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break;
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}
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XSetErrorHandler(oldHandler);
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if (!glxCtx) {
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2020-04-11 22:51:39 +00:00
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Log.report(logvisor::Fatal, FMT_STRING("unable to make new GLX context"));
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2018-12-08 05:30:43 +00:00
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return 1;
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}
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GLXWindow glxWindow = glXCreateWindow(xDisp, selFBConfig, windowId, nullptr);
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if (!glxWindow) {
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2020-04-11 22:51:39 +00:00
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Log.report(logvisor::Fatal, FMT_STRING("unable to make new GLX window"));
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2018-12-08 05:30:43 +00:00
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return 1;
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}
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XMapWindow(xDisp, windowId);
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struct {
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unsigned long flags = 0;
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unsigned long functions = 0;
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unsigned long decorations = 0;
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long inputMode = 0;
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unsigned long status = 0;
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} wmHints;
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Atom motifWmHints = XInternAtom(xDisp, "_MOTIF_WM_HINTS", True);
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if (motifWmHints) {
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wmHints.flags = MWM_HINTS_DECORATIONS | MWM_HINTS_FUNCTIONS;
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wmHints.decorations |= MWM_DECOR_BORDER | MWM_DECOR_TITLE | MWM_DECOR_MINIMIZE | MWM_DECOR_MENU;
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wmHints.functions |= MWM_FUNC_MOVE | MWM_FUNC_MINIMIZE;
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XChangeProperty(xDisp, windowId, motifWmHints, motifWmHints, 32, PropModeReplace,
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reinterpret_cast<unsigned char*>(&wmHints), 5);
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}
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/* SIGINT will be used to cancel main thread when client thread ends
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* (also enables graceful quitting via ctrl-c) */
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pthread_t mainThread = pthread_self();
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struct sigaction s;
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s.sa_handler = _sigint;
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sigemptyset(&s.sa_mask);
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s.sa_flags = 0;
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sigaction(SIGINT, &s, nullptr);
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sigaction(SIGUSR2, &s, nullptr);
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sigset_t waitmask, origmask;
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sigemptyset(&waitmask);
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sigaddset(&waitmask, SIGINT);
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sigaddset(&waitmask, SIGUSR2);
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pthread_sigmask(SIG_BLOCK, &waitmask, &origmask);
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int x11Fd = ConnectionNumber(xDisp);
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/* Spawn client thread */
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std::mutex initmt;
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std::condition_variable initcv;
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std::unique_lock<std::mutex> outerLk(initmt);
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std::thread clientThread([&]() {
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std::unique_lock<std::mutex> innerLk(initmt);
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innerLk.unlock();
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initcv.notify_one();
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2017-02-26 02:43:27 +00:00
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2018-12-08 05:30:43 +00:00
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XLockDisplay(xDisp);
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if (!glXMakeContextCurrent(xDisp, glxWindow, glxWindow, glxCtx))
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2020-04-11 22:51:39 +00:00
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Log.report(logvisor::Fatal, FMT_STRING("unable to make GLX context current"));
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2018-12-08 05:30:43 +00:00
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XUnlockDisplay(xDisp);
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2017-10-22 06:11:22 +00:00
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2019-11-20 04:39:49 +00:00
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UpdatePercent(0);
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2018-12-08 05:30:43 +00:00
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renderer.Run(UpdatePercent);
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2017-02-26 02:43:27 +00:00
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2018-12-08 05:30:43 +00:00
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XLockDisplay(xDisp);
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XClientMessageEvent exitEvent = {};
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exitEvent.type = ClientMessage;
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exitEvent.window = windowId;
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exitEvent.format = 32;
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XSendEvent(xDisp, windowId, 0, 0, reinterpret_cast<XEvent*>(&exitEvent));
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XFlush(xDisp);
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XUnlockDisplay(xDisp);
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2019-05-08 23:38:22 +00:00
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pthread_kill(mainThread, SIGUSR2);
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2018-12-08 05:30:43 +00:00
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});
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initcv.wait(outerLk);
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/* Begin application event loop */
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2019-05-08 23:38:22 +00:00
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bool clientRunning = true;
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2018-12-08 05:30:43 +00:00
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while (clientRunning) {
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fd_set fds;
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FD_ZERO(&fds);
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FD_SET(x11Fd, &fds);
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if (pselect(x11Fd + 1, &fds, nullptr, nullptr, nullptr, &origmask) < 0) {
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/* SIGINT/SIGUSR2 handled here */
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if (errno == EINTR || errno == SIGUSR2)
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break;
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2017-02-26 02:43:27 +00:00
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}
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2018-12-08 05:30:43 +00:00
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if (FD_ISSET(x11Fd, &fds)) {
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XLockDisplay(xDisp);
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while (XPending(xDisp)) {
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XEvent event;
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XNextEvent(xDisp, &event);
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if (XFilterEvent(&event, None))
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continue;
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2019-05-08 23:38:22 +00:00
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if (event.type == ClientMessage)
|
|
|
|
clientRunning = false;
|
2018-12-08 05:30:43 +00:00
|
|
|
}
|
|
|
|
XUnlockDisplay(xDisp);
|
2017-02-26 02:43:27 +00:00
|
|
|
}
|
2018-12-08 05:30:43 +00:00
|
|
|
}
|
2017-02-26 02:43:27 +00:00
|
|
|
|
2018-12-08 05:30:43 +00:00
|
|
|
renderer.Terminate();
|
|
|
|
if (clientThread.joinable())
|
|
|
|
clientThread.join();
|
2017-02-26 02:43:27 +00:00
|
|
|
|
2019-11-19 23:06:25 +00:00
|
|
|
glXDestroyWindow(xDisp, glxWindow);
|
|
|
|
XDestroyWindow(xDisp, windowId);
|
|
|
|
XCloseDisplay(xDisp);
|
2018-12-08 05:30:43 +00:00
|
|
|
return renderer.ReturnVal();
|
2017-02-26 02:43:27 +00:00
|
|
|
}
|