515f92d03b
"ALL IS GOOD" was a lie. In particular, removes verbose "path not recognized" false positive. The actual logic is to (somewhat naively) check all ResourceFormatLoaders and to pick the first good match, so no need to warn about the formats that do not match the type hint.
244 lines
8.0 KiB
C++
244 lines
8.0 KiB
C++
/*************************************************************************/
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/* context_gl_x11.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md) */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "context_gl_x11.h"
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#ifdef X11_ENABLED
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#if defined(OPENGL_ENABLED) || defined(LEGACYGL_ENABLED)
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#define GLX_GLXEXT_PROTOTYPES
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#include <GL/glx.h>
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#include <GL/glxext.h>
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#define GLX_CONTEXT_MAJOR_VERSION_ARB 0x2091
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#define GLX_CONTEXT_MINOR_VERSION_ARB 0x2092
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typedef GLXContext (*GLXCREATECONTEXTATTRIBSARBPROC)(Display *, GLXFBConfig, GLXContext, Bool, const int *);
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struct ContextGL_X11_Private {
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::GLXContext glx_context;
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};
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void ContextGL_X11::release_current() {
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glXMakeCurrent(x11_display, None, NULL);
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}
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void ContextGL_X11::make_current() {
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glXMakeCurrent(x11_display, x11_window, p->glx_context);
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}
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void ContextGL_X11::swap_buffers() {
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glXSwapBuffers(x11_display, x11_window);
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}
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/*
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static GLWrapperFuncPtr wrapper_get_proc_address(const char* p_function) {
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//print_line(String()+"getting proc of: "+p_function);
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GLWrapperFuncPtr func=(GLWrapperFuncPtr)glXGetProcAddress( (const GLubyte*) p_function);
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if (!func) {
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print_line("Couldn't find function: "+String(p_function));
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}
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return func;
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}*/
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static bool ctxErrorOccurred = false;
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static int ctxErrorHandler(Display *dpy, XErrorEvent *ev) {
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ctxErrorOccurred = true;
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return 0;
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}
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Error ContextGL_X11::initialize() {
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GLXCREATECONTEXTATTRIBSARBPROC glXCreateContextAttribsARB = NULL;
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//const char *extensions = glXQueryExtensionsString(x11_display, DefaultScreen(x11_display));
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glXCreateContextAttribsARB = (GLXCREATECONTEXTATTRIBSARBPROC)glXGetProcAddress((const GLubyte *)"glXCreateContextAttribsARB");
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ERR_FAIL_COND_V(!glXCreateContextAttribsARB, ERR_UNCONFIGURED);
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static int visual_attribs[] = {
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GLX_RENDER_TYPE, GLX_RGBA_BIT,
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GLX_DRAWABLE_TYPE, GLX_WINDOW_BIT,
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GLX_DOUBLEBUFFER, true,
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GLX_RED_SIZE, 1,
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GLX_GREEN_SIZE, 1,
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GLX_BLUE_SIZE, 1,
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GLX_DEPTH_SIZE, 24,
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None
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};
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int fbcount;
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GLXFBConfig *fbc = glXChooseFBConfig(x11_display, DefaultScreen(x11_display), visual_attribs, &fbcount);
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ERR_FAIL_COND_V(!fbc, ERR_UNCONFIGURED);
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XVisualInfo *vi = glXGetVisualFromFBConfig(x11_display, fbc[0]);
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XSetWindowAttributes swa;
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swa.colormap = XCreateColormap(x11_display, RootWindow(x11_display, vi->screen), vi->visual, AllocNone);
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swa.border_pixel = 0;
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swa.event_mask = StructureNotifyMask;
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/*
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char* windowid = getenv("GODOT_WINDOWID");
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if (windowid) {
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//freopen("/home/punto/stdout", "w", stdout);
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//reopen("/home/punto/stderr", "w", stderr);
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x11_window = atol(windowid);
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} else {
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*/
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x11_window = XCreateWindow(x11_display, RootWindow(x11_display, vi->screen), 0, 0, OS::get_singleton()->get_video_mode().width, OS::get_singleton()->get_video_mode().height, 0, vi->depth, InputOutput, vi->visual, CWBorderPixel | CWColormap | CWEventMask, &swa);
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ERR_FAIL_COND_V(!x11_window, ERR_UNCONFIGURED);
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XMapWindow(x11_display, x11_window);
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//};
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int (*oldHandler)(Display *, XErrorEvent *) =
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XSetErrorHandler(&ctxErrorHandler);
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if (!opengl_3_context) {
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//oldstyle context:
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p->glx_context = glXCreateContext(x11_display, vi, 0, GL_TRUE);
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} else {
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static int context_attribs[] = {
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GLX_CONTEXT_MAJOR_VERSION_ARB, 3,
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GLX_CONTEXT_MINOR_VERSION_ARB, 3,
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GLX_CONTEXT_FLAGS_ARB, GLX_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB /*|GLX_CONTEXT_DEBUG_BIT_ARB*/,
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None
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};
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p->glx_context = glXCreateContextAttribsARB(x11_display, fbc[0], NULL, true, context_attribs);
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ERR_EXPLAIN("Could not obtain an OpenGL 3.3 context!");
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ERR_FAIL_COND_V(ctxErrorOccurred || !p->glx_context, ERR_UNCONFIGURED);
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}
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XSync(x11_display, False);
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XSetErrorHandler(oldHandler);
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glXMakeCurrent(x11_display, x11_window, p->glx_context);
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/*
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glWrapperInit(wrapper_get_proc_address);
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glFlush();
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glXSwapBuffers(x11_display,x11_window);
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*/
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//glXMakeCurrent(x11_display, None, NULL);
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XFree(vi);
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XFree(fbc);
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return OK;
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}
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int ContextGL_X11::get_window_width() {
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XWindowAttributes xwa;
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XGetWindowAttributes(x11_display, x11_window, &xwa);
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return xwa.width;
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}
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int ContextGL_X11::get_window_height() {
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XWindowAttributes xwa;
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XGetWindowAttributes(x11_display, x11_window, &xwa);
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return xwa.height;
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}
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void ContextGL_X11::set_use_vsync(bool p_use) {
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static bool setup = false;
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static PFNGLXSWAPINTERVALEXTPROC glXSwapIntervalEXT = NULL;
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static PFNGLXSWAPINTERVALSGIPROC glXSwapIntervalMESA = NULL;
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static PFNGLXSWAPINTERVALSGIPROC glXSwapIntervalSGI = NULL;
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if (!setup) {
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setup = true;
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String extensions = glXQueryExtensionsString(x11_display, DefaultScreen(x11_display));
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if (extensions.find("GLX_EXT_swap_control") != -1)
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glXSwapIntervalEXT = (PFNGLXSWAPINTERVALEXTPROC)glXGetProcAddressARB((const GLubyte *)"glXSwapIntervalEXT");
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if (extensions.find("GLX_MESA_swap_control") != -1)
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glXSwapIntervalMESA = (PFNGLXSWAPINTERVALSGIPROC)glXGetProcAddressARB((const GLubyte *)"glXSwapIntervalMESA");
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if (extensions.find("GLX_SGI_swap_control") != -1)
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glXSwapIntervalSGI = (PFNGLXSWAPINTERVALSGIPROC)glXGetProcAddressARB((const GLubyte *)"glXSwapIntervalSGI");
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}
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int val = p_use ? 1 : 0;
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if (glXSwapIntervalMESA) {
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glXSwapIntervalMESA(val);
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} else if (glXSwapIntervalSGI) {
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glXSwapIntervalSGI(val);
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} else if (glXSwapIntervalEXT) {
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GLXDrawable drawable = glXGetCurrentDrawable();
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glXSwapIntervalEXT(x11_display, drawable, val);
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} else
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return;
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use_vsync = p_use;
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}
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bool ContextGL_X11::is_using_vsync() const {
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return use_vsync;
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}
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ContextGL_X11::ContextGL_X11(::Display *p_x11_display, ::Window &p_x11_window, const OS::VideoMode &p_default_video_mode, bool p_opengl_3_context)
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: x11_window(p_x11_window) {
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default_video_mode = p_default_video_mode;
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x11_display = p_x11_display;
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opengl_3_context = p_opengl_3_context;
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double_buffer = false;
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direct_render = false;
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glx_minor = glx_major = 0;
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p = memnew(ContextGL_X11_Private);
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p->glx_context = 0;
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use_vsync = false;
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}
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ContextGL_X11::~ContextGL_X11() {
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release_current();
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glXDestroyContext(x11_display, p->glx_context);
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memdelete(p);
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}
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#endif
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#endif
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