From 8709f67ebcc26dd6da61373162b8b96cd54b6896 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <slouken@libsdl.org>
Date: Tue, 8 Sep 2020 08:42:30 -0700
Subject: [PATCH] Fixed bug 5215 - Fixing filenames passed to dlopen for
 OpenBSD

Brad Smith

Attached is a patch to use the proper filenames when trying to dlopen the respective shared libraries on OpenBSD.
---
 src/video/SDL_egl.c                   | 7 +++++++
 src/video/wayland/SDL_waylandvulkan.c | 8 +++++++-
 src/video/x11/SDL_x11vulkan.c         | 9 ++++++++-
 3 files changed, 22 insertions(+), 2 deletions(-)

diff --git a/src/video/SDL_egl.c b/src/video/SDL_egl.c
index 1a2e838c8..ba5a758ed 100644
--- a/src/video/SDL_egl.c
+++ b/src/video/SDL_egl.c
@@ -72,6 +72,13 @@
 #define DEFAULT_OGL_ES_PVR "libGLES_CM.dylib"   //???
 #define DEFAULT_OGL_ES "libGLESv1_CM.dylib"     //???
 
+#elif defined(__OpenBSD__)
+#define DEFAULT_OGL "libGL.so"
+#define DEFAULT_EGL "libEGL.so"
+#define DEFAULT_OGL_ES2 "libGLESv2.so"
+#define DEFAULT_OGL_ES_PVR "libGLES_CM.so"
+#define DEFAULT_OGL_ES "libGLESv1_CM.so"
+
 #else
 /* Desktop Linux */
 #define DEFAULT_OGL "libGL.so.1"
diff --git a/src/video/wayland/SDL_waylandvulkan.c b/src/video/wayland/SDL_waylandvulkan.c
index aa5e23f6b..26c11045d 100644
--- a/src/video/wayland/SDL_waylandvulkan.c
+++ b/src/video/wayland/SDL_waylandvulkan.c
@@ -36,6 +36,12 @@
 #include "SDL_waylandvulkan.h"
 #include "SDL_syswm.h"
 
+#if defined(__OpenBSD__)
+#define DEFAULT_VULKAN  "libvulkan.so"
+#else
+#define DEFAULT_VULKAN  "libvulkan.so.1"
+#endif
+
 int Wayland_Vulkan_LoadLibrary(_THIS, const char *path)
 {
     VkExtensionProperties *extensions = NULL;
@@ -50,7 +56,7 @@ int Wayland_Vulkan_LoadLibrary(_THIS, const char *path)
     if(!path)
         path = SDL_getenv("SDL_VULKAN_LIBRARY");
     if(!path)
-        path = "libvulkan.so.1";
+        path = DEFAULT_VULKAN;
     _this->vulkan_config.loader_handle = SDL_LoadObject(path);
     if(!_this->vulkan_config.loader_handle)
         return -1;
diff --git a/src/video/x11/SDL_x11vulkan.c b/src/video/x11/SDL_x11vulkan.c
index 24819cc43..2ca8ce85f 100644
--- a/src/video/x11/SDL_x11vulkan.c
+++ b/src/video/x11/SDL_x11vulkan.c
@@ -30,6 +30,13 @@
 
 #include <X11/Xlib.h>
 /*#include <xcb/xcb.h>*/
+
+#if defined(__OpenBSD__)
+#define DEFAULT_VULKAN  "libvulkan.so"
+#else
+#define DEFAULT_VULKAN  "libvulkan.so.1"
+#endif
+
 /*
 typedef uint32_t xcb_window_t;
 typedef uint32_t xcb_visualid_t;
@@ -52,7 +59,7 @@ int X11_Vulkan_LoadLibrary(_THIS, const char *path)
     if(!path)
         path = SDL_getenv("SDL_VULKAN_LIBRARY");
     if(!path)
-        path = "libvulkan.so.1";
+        path = DEFAULT_VULKAN;
     _this->vulkan_config.loader_handle = SDL_LoadObject(path);
     if(!_this->vulkan_config.loader_handle)
         return -1;