210 lines
6.6 KiB
C++
210 lines
6.6 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) 2007-2014 Juan Linietsky, Ariel Manzur. */
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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 <unistd.h>
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#include <stdlib.h>
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#include <GL/glx.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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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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while(true) {
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// wait for mapnotify (window created)
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XEvent e;
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XNextEvent(x11_display, &e);
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if (e.type == MapNotify)
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break;
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}
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//};
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if (!OS::get_singleton()->get_video_mode().resizable) {
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XSizeHints *xsh;
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xsh = XAllocSizeHints();
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xsh->flags = PMinSize | PMaxSize;
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xsh->min_width = OS::get_singleton()->get_video_mode().width;
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xsh->max_width = OS::get_singleton()->get_video_mode().width;
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xsh->min_height = OS::get_singleton()->get_video_mode().height;
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xsh->max_height = OS::get_singleton()->get_video_mode().height;
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XSetWMNormalHints(x11_display, x11_window, xsh);
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}
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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, 0,
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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_FAIL_COND_V(!p->glx_context,ERR_UNCONFIGURED);
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}
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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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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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ContextGL_X11::ContextGL_X11(::Display *p_x11_display,::Window &p_x11_window,const OS::VideoMode& p_default_video_mode,bool p_opengl_3_context) : 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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}
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ContextGL_X11::~ContextGL_X11() {
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memdelete( p );
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}
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#endif
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#endif
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