From 5a079a2d114f96d4847d1ee305d5b7c16eeec50e Mon Sep 17 00:00:00 2001
From: 3gg <3gg@shellblade.net>
Date: Sat, 27 Dec 2025 12:03:39 -0800
Subject: Initial commit

---
 contrib/SDL-3.2.8/src/video/x11/SDL_x11opengl.h | 96 +++++++++++++++++++++++++
 1 file changed, 96 insertions(+)
 create mode 100644 contrib/SDL-3.2.8/src/video/x11/SDL_x11opengl.h

(limited to 'contrib/SDL-3.2.8/src/video/x11/SDL_x11opengl.h')

diff --git a/contrib/SDL-3.2.8/src/video/x11/SDL_x11opengl.h b/contrib/SDL-3.2.8/src/video/x11/SDL_x11opengl.h
new file mode 100644
index 0000000..24db485
--- /dev/null
+++ b/contrib/SDL-3.2.8/src/video/x11/SDL_x11opengl.h
@@ -0,0 +1,96 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "SDL_internal.h"
+
+#ifndef SDL_x11opengl_h_
+#define SDL_x11opengl_h_
+
+#ifdef SDL_VIDEO_OPENGL_GLX
+#include <SDL3/SDL_opengl.h>
+#include <GL/glx.h>
+
+typedef void (*__GLXextFuncPtr)(void);
+
+typedef enum SDL_GLSwapIntervalTearBehavior
+{
+    SDL_SWAPINTERVALTEAR_UNTESTED,
+    SDL_SWAPINTERVALTEAR_UNKNOWN,
+    SDL_SWAPINTERVALTEAR_MESA,
+    SDL_SWAPINTERVALTEAR_NVIDIA
+} SDL_GLSwapIntervalTearBehavior;
+
+struct SDL_GLDriverData
+{
+    int errorBase, eventBase;
+
+    bool HAS_GLX_EXT_visual_rating;
+    bool HAS_GLX_EXT_visual_info;
+    bool HAS_GLX_EXT_swap_control_tear;
+    bool HAS_GLX_ARB_context_flush_control;
+    bool HAS_GLX_ARB_create_context_robustness;
+    bool HAS_GLX_ARB_create_context_no_error;
+
+    /* Max version of OpenGL ES context that can be created if the
+       implementation supports GLX_EXT_create_context_es2_profile.
+       major = minor = 0 when unsupported.
+     */
+    struct
+    {
+        int major;
+        int minor;
+    } es_profile_max_supported_version;
+
+    SDL_GLSwapIntervalTearBehavior swap_interval_tear_behavior;
+
+    Bool (*glXQueryExtension)(Display *, int *, int *);
+    __GLXextFuncPtr (*glXGetProcAddress)(const GLubyte *);
+    XVisualInfo *(*glXChooseVisual)(Display *, int, int *);
+    GLXContext (*glXCreateContext)(Display *, XVisualInfo *, GLXContext, Bool);
+    GLXContext (*glXCreateContextAttribsARB)(Display *, GLXFBConfig, GLXContext, Bool, const int *);
+    GLXFBConfig *(*glXChooseFBConfig)(Display *, int, const int *, int *);
+    XVisualInfo *(*glXGetVisualFromFBConfig)(Display *, GLXFBConfig);
+    void (*glXDestroyContext)(Display *, GLXContext);
+    Bool (*glXMakeCurrent)(Display *, GLXDrawable, GLXContext);
+    void (*glXSwapBuffers)(Display *, GLXDrawable);
+    void (*glXQueryDrawable)(Display *, GLXDrawable, int, unsigned int *);
+    void (*glXSwapIntervalEXT)(Display *, GLXDrawable, int);
+    int (*glXSwapIntervalSGI)(int);
+    int (*glXSwapIntervalMESA)(int);
+    int (*glXGetSwapIntervalMESA)(void);
+};
+
+// OpenGL functions
+extern bool X11_GL_LoadLibrary(SDL_VideoDevice *_this, const char *path);
+extern SDL_FunctionPointer X11_GL_GetProcAddress(SDL_VideoDevice *_this, const char *proc);
+extern void X11_GL_UnloadLibrary(SDL_VideoDevice *_this);
+extern bool X11_GL_UseEGL(SDL_VideoDevice *_this);
+extern XVisualInfo *X11_GL_GetVisual(SDL_VideoDevice *_this, Display *display, int screen, bool transparent);
+extern SDL_GLContext X11_GL_CreateContext(SDL_VideoDevice *_this, SDL_Window *window);
+extern bool X11_GL_MakeCurrent(SDL_VideoDevice *_this, SDL_Window *window,
+                              SDL_GLContext context);
+extern bool X11_GL_SetSwapInterval(SDL_VideoDevice *_this, int interval);
+extern bool X11_GL_GetSwapInterval(SDL_VideoDevice *_this, int *interval);
+extern bool X11_GL_SwapWindow(SDL_VideoDevice *_this, SDL_Window *window);
+extern bool X11_GL_DestroyContext(SDL_VideoDevice *_this, SDL_GLContext context);
+
+#endif // SDL_VIDEO_OPENGL_GLX
+
+#endif // SDL_x11opengl_h_
-- 
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