From ba76c1c2be22b58c856c567f610ce7a55a85f5f2 Mon Sep 17 00:00:00 2001
From: OV2 <OV2@sessionclan.de>
Date: Thu, 24 May 2018 18:19:00 +0200
Subject: [PATCH] win32: handle unicode when loading glsl shaders

---
 shaders/shader_platform.h | 7 +++++--
 win32/_tfwopen.cpp        | 7 +++++++
 win32/_tfwopen.h          | 1 +
 3 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/shaders/shader_platform.h b/shaders/shader_platform.h
index 2c2f004d..e9a1b180 100644
--- a/shaders/shader_platform.h
+++ b/shaders/shader_platform.h
@@ -14,10 +14,13 @@
 #include "gl_core_3_1.h"
 #include <direct.h>
 
+#ifdef UNICODE
+#define chdir(dir) _wchdir(Utf8ToWide(dir))
+#define realpath(src, resolved) _twfullpath(resolved, src, PATH_MAX)
+#else
 #define chdir(dir) _chdir(dir)
 #define realpath(src, resolved) _fullpath(resolved, src, PATH_MAX)
-
-
+#endif
 
 #endif
 
diff --git a/win32/_tfwopen.cpp b/win32/_tfwopen.cpp
index 345cf7be..dbd703ac 100644
--- a/win32/_tfwopen.cpp
+++ b/win32/_tfwopen.cpp
@@ -229,4 +229,11 @@ extern "C" int _twopen(const char *filename, int oflag, int pmode) {
   return _wopen(Utf8ToWide(filename), oflag, pmode);
 }
 
+extern "C" void _twfullpath(char* dst, const char* src, int len) {
+    wchar_t *resolved = _wfullpath(NULL, Utf8ToWide(src), MAX_PATH);
+    strncpy(dst, WideToUtf8(resolved), len);
+    dst[len - 1] = '\0';
+    return;
+}
+
 #endif // UNICODE
diff --git a/win32/_tfwopen.h b/win32/_tfwopen.h
index f7d5763b..c8a5cb90 100644
--- a/win32/_tfwopen.h
+++ b/win32/_tfwopen.h
@@ -198,6 +198,7 @@ extern "C" {
 FILE *_tfwopen(const char *filename, const char *mode );
 int _twremove(const char *filename );
 int _twopen(const char *filename, int oflag, int pmode);
+void _twfullpath(char* dst, const char* src, int len);
 
 #ifdef __cplusplus
 }