diff options
Diffstat (limited to 'platform/linuxbsd/context_gl_x11.cpp')
-rw-r--r-- | platform/linuxbsd/context_gl_x11.cpp | 257 |
1 files changed, 0 insertions, 257 deletions
diff --git a/platform/linuxbsd/context_gl_x11.cpp b/platform/linuxbsd/context_gl_x11.cpp deleted file mode 100644 index 1f92370ab7..0000000000 --- a/platform/linuxbsd/context_gl_x11.cpp +++ /dev/null @@ -1,257 +0,0 @@ -/*************************************************************************/ -/* context_gl_x11.cpp */ -/*************************************************************************/ -/* This file is part of: */ -/* GODOT ENGINE */ -/* https://godotengine.org */ -/*************************************************************************/ -/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ -/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */ -/* */ -/* Permission is hereby granted, free of charge, to any person obtaining */ -/* a copy of this software and associated documentation files (the */ -/* "Software"), to deal in the Software without restriction, including */ -/* without limitation the rights to use, copy, modify, merge, publish, */ -/* distribute, sublicense, and/or sell copies of the Software, and to */ -/* permit persons to whom the Software is furnished to do so, subject to */ -/* the following conditions: */ -/* */ -/* The above copyright notice and this permission notice shall be */ -/* included in all copies or substantial portions of the Software. */ -/* */ -/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ -/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ -/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ -/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ -/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ -/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ -/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ -/*************************************************************************/ - -#include "context_gl_x11.h" - -#ifdef X11_ENABLED -#if defined(OPENGL_ENABLED) -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> - -#define GLX_GLXEXT_PROTOTYPES -#include <GL/glx.h> -#include <GL/glxext.h> - -#define GLX_CONTEXT_MAJOR_VERSION_ARB 0x2091 -#define GLX_CONTEXT_MINOR_VERSION_ARB 0x2092 - -typedef GLXContext (*GLXCREATECONTEXTATTRIBSARBPROC)(Display *, GLXFBConfig, GLXContext, Bool, const int *); - -struct ContextGL_X11_Private { - ::GLXContext glx_context; -}; - -void ContextGL_X11::release_current() { - glXMakeCurrent(x11_display, None, nullptr); -} - -void ContextGL_X11::make_current() { - glXMakeCurrent(x11_display, x11_window, p->glx_context); -} - -void ContextGL_X11::swap_buffers() { - glXSwapBuffers(x11_display, x11_window); -} - -static bool ctxErrorOccurred = false; -static int ctxErrorHandler(Display *dpy, XErrorEvent *ev) { - ctxErrorOccurred = true; - return 0; -} - -static void set_class_hint(Display *p_display, Window p_window) { - XClassHint *classHint; - - /* set the name and class hints for the window manager to use */ - classHint = XAllocClassHint(); - if (classHint) { - classHint->res_name = (char *)"Godot_Engine"; - classHint->res_class = (char *)"Godot"; - } - XSetClassHint(p_display, p_window, classHint); - XFree(classHint); -} - -Error ContextGL_X11::initialize() { - //const char *extensions = glXQueryExtensionsString(x11_display, DefaultScreen(x11_display)); - - GLXCREATECONTEXTATTRIBSARBPROC glXCreateContextAttribsARB = (GLXCREATECONTEXTATTRIBSARBPROC)glXGetProcAddress((const GLubyte *)"glXCreateContextAttribsARB"); - - ERR_FAIL_COND_V(!glXCreateContextAttribsARB, ERR_UNCONFIGURED); - - static int visual_attribs[] = { - GLX_RENDER_TYPE, GLX_RGBA_BIT, - GLX_DRAWABLE_TYPE, GLX_WINDOW_BIT, - GLX_DOUBLEBUFFER, true, - GLX_RED_SIZE, 1, - GLX_GREEN_SIZE, 1, - GLX_BLUE_SIZE, 1, - GLX_DEPTH_SIZE, 24, - None - }; - - static int visual_attribs_layered[] = { - GLX_RENDER_TYPE, GLX_RGBA_BIT, - GLX_DRAWABLE_TYPE, GLX_WINDOW_BIT, - GLX_DOUBLEBUFFER, true, - GLX_RED_SIZE, 8, - GLX_GREEN_SIZE, 8, - GLX_BLUE_SIZE, 8, - GLX_ALPHA_SIZE, 8, - GLX_DEPTH_SIZE, 24, - None - }; - - int fbcount; - GLXFBConfig fbconfig = 0; - XVisualInfo *vi = nullptr; - - XSetWindowAttributes swa; - swa.event_mask = StructureNotifyMask; - swa.border_pixel = 0; - unsigned long valuemask = CWBorderPixel | CWColormap | CWEventMask; - - if (OS::get_singleton()->is_layered_allowed()) { - GLXFBConfig *fbc = glXChooseFBConfig(x11_display, DefaultScreen(x11_display), visual_attribs_layered, &fbcount); - ERR_FAIL_COND_V(!fbc, ERR_UNCONFIGURED); - - for (int i = 0; i < fbcount; i++) { - vi = (XVisualInfo *)glXGetVisualFromFBConfig(x11_display, fbc[i]); - if (!vi) - continue; - - XRenderPictFormat *pict_format = XRenderFindVisualFormat(x11_display, vi->visual); - if (!pict_format) { - XFree(vi); - vi = nullptr; - continue; - } - - fbconfig = fbc[i]; - if (pict_format->direct.alphaMask > 0) { - break; - } - } - XFree(fbc); - ERR_FAIL_COND_V(!fbconfig, ERR_UNCONFIGURED); - - swa.background_pixmap = None; - swa.background_pixel = 0; - swa.border_pixmap = None; - valuemask |= CWBackPixel; - - } else { - GLXFBConfig *fbc = glXChooseFBConfig(x11_display, DefaultScreen(x11_display), visual_attribs, &fbcount); - ERR_FAIL_COND_V(!fbc, ERR_UNCONFIGURED); - - vi = glXGetVisualFromFBConfig(x11_display, fbc[0]); - - fbconfig = fbc[0]; - XFree(fbc); - } - - int (*oldHandler)(Display *, XErrorEvent *) = XSetErrorHandler(&ctxErrorHandler); - - switch (context_type) { - case GLES_2_0_COMPATIBLE: { - p->glx_context = glXCreateNewContext(x11_display, fbconfig, GLX_RGBA_TYPE, 0, true); - ERR_FAIL_COND_V(!p->glx_context, ERR_UNCONFIGURED); - } break; - } - - swa.colormap = XCreateColormap(x11_display, RootWindow(x11_display, vi->screen), vi->visual, AllocNone); - 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, valuemask, &swa); - XStoreName(x11_display, x11_window, "Godot Engine"); - - ERR_FAIL_COND_V(!x11_window, ERR_UNCONFIGURED); - set_class_hint(x11_display, x11_window); - XMapWindow(x11_display, x11_window); - - XSync(x11_display, False); - XSetErrorHandler(oldHandler); - - glXMakeCurrent(x11_display, x11_window, p->glx_context); - - XFree(vi); - - return OK; -} - -int ContextGL_X11::get_window_width() { - XWindowAttributes xwa; - XGetWindowAttributes(x11_display, x11_window, &xwa); - - return xwa.width; -} - -int ContextGL_X11::get_window_height() { - XWindowAttributes xwa; - XGetWindowAttributes(x11_display, x11_window, &xwa); - - return xwa.height; -} - -void ContextGL_X11::set_use_vsync(bool p_use) { - static bool setup = false; - static PFNGLXSWAPINTERVALEXTPROC glXSwapIntervalEXT = nullptr; - static PFNGLXSWAPINTERVALSGIPROC glXSwapIntervalMESA = nullptr; - static PFNGLXSWAPINTERVALSGIPROC glXSwapIntervalSGI = nullptr; - - if (!setup) { - setup = true; - String extensions = glXQueryExtensionsString(x11_display, DefaultScreen(x11_display)); - if (extensions.find("GLX_EXT_swap_control") != -1) - glXSwapIntervalEXT = (PFNGLXSWAPINTERVALEXTPROC)glXGetProcAddressARB((const GLubyte *)"glXSwapIntervalEXT"); - if (extensions.find("GLX_MESA_swap_control") != -1) - glXSwapIntervalMESA = (PFNGLXSWAPINTERVALSGIPROC)glXGetProcAddressARB((const GLubyte *)"glXSwapIntervalMESA"); - if (extensions.find("GLX_SGI_swap_control") != -1) - glXSwapIntervalSGI = (PFNGLXSWAPINTERVALSGIPROC)glXGetProcAddressARB((const GLubyte *)"glXSwapIntervalSGI"); - } - int val = p_use ? 1 : 0; - if (glXSwapIntervalMESA) { - glXSwapIntervalMESA(val); - } else if (glXSwapIntervalSGI) { - glXSwapIntervalSGI(val); - } else if (glXSwapIntervalEXT) { - GLXDrawable drawable = glXGetCurrentDrawable(); - glXSwapIntervalEXT(x11_display, drawable, val); - } else - return; - use_vsync = p_use; -} - -bool ContextGL_X11::is_using_vsync() const { - return use_vsync; -} - -ContextGL_X11::ContextGL_X11(::Display *p_x11_display, ::Window &p_x11_window, const OS::VideoMode &p_default_video_mode, ContextType p_context_type) : - x11_window(p_x11_window) { - default_video_mode = p_default_video_mode; - x11_display = p_x11_display; - - context_type = p_context_type; - - double_buffer = false; - direct_render = false; - glx_minor = glx_major = 0; - p = memnew(ContextGL_X11_Private); - p->glx_context = 0; - use_vsync = false; -} - -ContextGL_X11::~ContextGL_X11() { - release_current(); - glXDestroyContext(x11_display, p->glx_context); - memdelete(p); -} - -#endif -#endif |