2 files changed, 9 insertions, 2 deletions
diff --git a/src/libui_sdl/libui/windows/alloc.cpp b/src/libui_sdl/libui/windows/alloc.cpp
index cf6bd2e..e29d60e 100644
--- a/src/libui_sdl/libui/windows/alloc.cpp
+++ b/src/libui_sdl/libui/windows/alloc.cpp
@@ -32,7 +32,7 @@ void *uiAlloc(size_t size, const char *type)
 {
 	byteArray *out;
 
-	out = new byteArray(size, 0);
+	out = new byteArray(size, 0);//printf("alloc %s at %08X\n", type, rawBytes(out));
 	heap[rawBytes(out)] = out;
 	types[out] = type;
 	return rawBytes(out);
diff --git a/src/libui_sdl/libui/windows/gl.cpp b/src/libui_sdl/libui/windows/gl.cpp
index eb7d33d..beccb79 100644
--- a/src/libui_sdl/libui/windows/gl.cpp
+++ b/src/libui_sdl/libui/windows/gl.cpp
@@ -120,7 +120,14 @@ void uiGLFreeContext(uiGLContext* ctx)
 
 void uiGLMakeContextCurrent(uiGLContext* ctx)
 {
-    wglMakeCurrent(ctx->dc, ctx->rc);
+    if (ctx == NULL)
+    {
+        wglMakeCurrent(NULL, NULL);
+        return;
+    }
+
+    if (wglGetCurrentContext() == ctx->rc) return;
+    int res = wglMakeCurrent(ctx->dc, ctx->rc);
 }
 
 void *uiGLGetProcAddress(const char* proc)