diff --git a/src/client/refresh/gl4/gl4_main.c b/src/client/refresh/gl4/gl4_main.c
index 49c8c1e5..118f94ab 100644
--- a/src/client/refresh/gl4/gl4_main.c
+++ b/src/client/refresh/gl4/gl4_main.c
@@ -1954,6 +1954,7 @@ GetRefAPI(refimport_t imp)
 	ri = imp;
 
 	re.api_version = API_VERSION;
+	re.framework_version = GL4_GetSDLVersion();
 
 	re.Init = GL4_Init;
 	re.Shutdown = GL4_Shutdown;
diff --git a/src/client/refresh/gl4/gl4_sdl.c b/src/client/refresh/gl4/gl4_sdl.c
index 7a8677d9..ada0dc6a 100644
--- a/src/client/refresh/gl4/gl4_sdl.c
+++ b/src/client/refresh/gl4/gl4_sdl.c
@@ -29,7 +29,11 @@
 
 #include "header/local.h"
 
+#ifdef USE_SDL3
+#include <SDL3/SDL.h>
+#else
 #include <SDL2/SDL.h>
+#endif
 
 static SDL_Window* window = NULL;
 static SDL_GLContext context = NULL;
@@ -149,7 +153,20 @@ void GL4_SetVsync(void)
 		}
 	}
 
+#ifdef USE_SDL3
+	int vsyncState;
+       if (SDL_GL_GetSwapInterval(&vsyncState) != 0)
+       {
+               R_Printf(PRINT_ALL, "Failed to get vsync state, assuming vsync inactive.\n");
+               vsyncActive = false;
+       }
+       else
+       {
+               vsyncActive = vsyncState ? true : false;
+       }
+#else
 	vsyncActive = SDL_GL_GetSwapInterval() != 0;
+#endif
 }
 
 /*
@@ -323,7 +340,7 @@ int GL4_InitContext(void* win)
 	GL4_SetVsync();
 
 	// Load GL pointrs through GLAD and check context.
-	if( !gladLoadGLLoader(SDL_GL_GetProcAddress))
+	if( !gladLoadGLLoader((void *)SDL_GL_GetProcAddress))
 	{
 		R_Printf(PRINT_ALL, "GL4_InitContext(): ERROR: loading OpenGL function pointers failed!\n");
 
@@ -361,7 +378,11 @@ int GL4_InitContext(void* win)
 #if SDL_VERSION_ATLEAST(2, 26, 0)
 	// Figure out if we are high dpi aware.
 	int flags = SDL_GetWindowFlags(win);
+#ifdef USE_SDL3
+	IsHighDPIaware = (flags & SDL_WINDOW_HIGH_PIXEL_DENSITY) ? true : false;
+#else
 	IsHighDPIaware = (flags & SDL_WINDOW_ALLOW_HIGHDPI) ? true : false;
+#endif
 #endif
 
 	return true;
@@ -372,7 +393,11 @@ int GL4_InitContext(void* win)
  */
 void GL4_GetDrawableSize(int* width, int* height)
 {
+#ifdef USE_SDL3
+	SDL_GetWindowSizeInPixels(window, width, height);
+#else
 	SDL_GL_GetDrawableSize(window, width, height);
+#endif
 }
 
 /*
@@ -389,3 +414,21 @@ void GL4_ShutdownContext()
 		}
 	}
 }
+
+/*
+ * Returns the SDL major version. Implemented
+ * here to not polute gl3_main.c with the SDL
+ * headers.
+ */
+int GL4_GetSDLVersion()
+{
+#ifdef USE_SDL3
+	SDL_Version ver;
+#else
+	SDL_version ver;
+#endif
+
+	SDL_VERSION(&ver);
+
+	return ver.major;
+}
diff --git a/src/client/refresh/gl4/header/local.h b/src/client/refresh/gl4/header/local.h
index 466f5eb0..ceb75502 100644
--- a/src/client/refresh/gl4/header/local.h
+++ b/src/client/refresh/gl4/header/local.h
@@ -383,6 +383,7 @@ extern qboolean GL4_IsVsyncActive(void);
 extern void GL4_EndFrame(void);
 extern void GL4_SetVsync(void);
 extern void GL4_ShutdownContext(void);
+extern int GL4_GetSDLVersion(void);
 
 // gl4_misc.c
 extern void GL4_InitParticleTexture(void);