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James Russell
2026-04-03 00:22:39 -05:00
commit eca1e8c458
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libsst-wm/Xlib/GLXPrivate.h Normal file
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/*
GLXPrivate.h
Author: Patrick Baggett <ptbaggett@762studios.com>
Created: 1/11/2013
Purpose:
OpenGL on X Windows (GLX) utility code
License:
This program is free software. It comes without any warranty, to
the extent permitted by applicable law. You can redistribute it
and/or modify it under the terms of the Do What The Fuck You Want
To Public License, Version 2, as published by Sam Hocevar. See
http://sam.zoy.org/wtfpl/COPYING for more details.
*/
#pragma once
#ifndef _GLXPRIVATE_H
#define _GLXPRIVATE_H
#include <X11/Xlib.h>
#include <SST/SST_WMOpenGL.h>
struct SST_DisplayTarget_Xlib;
#define MAX_GL_ATTRS 32
/* glx.h types */
typedef XID GLXDrawable;
typedef XID GLXWindow;
typedef XID GLXPbuffer;
typedef struct __fakeGLXContext* GLXContext;
typedef struct __fakeGLXFBConfig* GLXFBConfig;
typedef Bool (*pf_glXQueryExtension)(Display* dpy, int* errorBase, int* eventBase);
typedef Bool (*pf_glXQueryVersion)(Display* dpy, int* major, int* minor);
typedef const char* (*pf_glXQueryExtensionsString)(Display* dpy, int screen);
typedef GLXFBConfig* (*pf_glXChooseFBConfig)(Display* dpy, int screen, const int* attrib_list, int* nelements);
typedef GLXContext (*pf_glXCreateNewContext)(Display* dpy, GLXFBConfig config, int render_type, GLXContext share_list, Bool direct);
typedef void (*pf_glXDestroyContext)(Display* dpy, GLXContext ctx);
typedef Bool (*pf_glXMakeContextCurrent)(Display* display, GLXDrawable draw, GLXDrawable read, GLXContext ctx);
typedef GLXContext (*pf_glXGetCurrentContext)(void);
typedef void (*pf_glXSwapBuffers)(Display * dpy, GLXDrawable drawable);
typedef GLXPbuffer (*pf_glXCreatePbuffer)(Display* dpy, GLXFBConfig config, const int* attrib_list);
typedef void (*pf_glXDestroyPbuffer)(Display* dpy, GLXPbuffer pbuf);
typedef GLXContext (*pf_glXCreateContextAttribsARB)(Display* dpy, GLXFBConfig config, GLXContext share_context, Bool direct, const int* attrib_list);
typedef void* (*pf_glXGetProcAddressARB)(const char* procName);
typedef struct GLXFunctions
{
pf_glXQueryExtension QueryExtension;
pf_glXQueryVersion QueryVersion;
pf_glXQueryExtensionsString QueryExtensionsString;
pf_glXChooseFBConfig ChooseFBConfig;
pf_glXCreateNewContext CreateNewContext;
pf_glXDestroyContext DestroyContext;
pf_glXMakeContextCurrent MakeContextCurrent;
pf_glXGetCurrentContext GetCurrentContext;
pf_glXSwapBuffers SwapBuffers;
pf_glXCreatePbuffer CreatePbuffer;
pf_glXDestroyPbuffer DestroyPbuffer;
pf_glXCreateContextAttribsARB CreateContextAttribsARB;
pf_glXGetProcAddressARB GetProcAddressARB;
Bool supportsCreateContextARB;
Bool supportsProfiles;
Bool supportsMultisample;
void* libGL;
} GLXFunctions;
extern GLXFunctions glX;
/* Load libGL and resolve GLX symbols */
int loadGLX();
/* Unload libGL */
void unloadGLX();
/* Check if libGL was loaded */
int isGLXLoaded();
/* Check if GLX is supported by the X server, and a usable version */
int isGLXSupported(Display* display);
/* Create a GLX context */
SST_OpenGLContext GLXCreateOpenGLContext(struct SST_DisplayTarget_Xlib* target, SST_WMOpenGLType apiType, const SST_OpenGLContextAttributes* attribs, SST_OpenGLContextAttributes* selectedAttribsReturn);
#endif