summaryrefslogtreecommitdiff
path: root/platform/x11/context_gl_x11.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'platform/x11/context_gl_x11.cpp')
-rw-r--r--platform/x11/context_gl_x11.cpp265
1 files changed, 0 insertions, 265 deletions
diff --git a/platform/x11/context_gl_x11.cpp b/platform/x11/context_gl_x11.cpp
deleted file mode 100644
index 5442af3bef..0000000000
--- a/platform/x11/context_gl_x11.cpp
+++ /dev/null
@@ -1,265 +0,0 @@
-/*************************************************************************/
-/* context_gl_x11.cpp */
-/*************************************************************************/
-/* This file is part of: */
-/* GODOT ENGINE */
-/* https://godotengine.org */
-/*************************************************************************/
-/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
-/* Copyright (c) 2014-2020 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, NULL);
-}
-
-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 = NULL;
-
- 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 = NULL;
- 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 = NULL;
- static PFNGLXSWAPINTERVALSGIPROC glXSwapIntervalMESA = NULL;
- static PFNGLXSWAPINTERVALSGIPROC glXSwapIntervalSGI = NULL;
-
- 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