You've already forked godot
mirror of
https://github.com/godotengine/godot.git
synced 2025-11-05 12:10:55 +00:00
Effective DisplayServer separation, rename X11 -> LinuxBSD
This commit is contained in:
Juan Linietsky
committed by
Juan Linietsky
Juan Linietsky
parent
4396e98834
commit
f8a79a97c7
265
platform/linuxbsd/context_gl_x11.cpp
Normal file
265
platform/linuxbsd/context_gl_x11.cpp
Normal file
@@ -0,0 +1,265 @@
|
||||
/*************************************************************************/
|
||||
/* 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
|
||||
Reference in New Issue
Block a user