Cleanup: Remove `GHOST_isUpsideDownContext`.

GHOST API only has a header definition. No implementation or usage.

1 files changed, 0 insertions, 7 deletions

diff --git a/intern/ghost/GHOST_C-api.h b/intern/ghost/GHOST_C-api.h
index 784febe8581..98094cc0669 100644
--- a/intern/ghost/GHOST_C-api.h
+++ b/intern/ghost/GHOST_C-api.h
@@ -729,13 +729,6 @@ extern GHOST_TSuccess GHOST_ReleaseOpenGLContext(GHOST_ContextHandle contexthand
 extern unsigned int GHOST_GetContextDefaultOpenGLFramebuffer(GHOST_ContextHandle contexthandle);
 
 /**
- * Returns whether a context is rendered upside down compared to OpenGL. This only needs to be
- * called if there's a non-OpenGL context, which is really the exception.
- * So generally, this does not need to be called.
- */
-extern int GHOST_isUpsideDownContext(GHOST_ContextHandle contexthandle);
-
-/**
  * Get the OpenGL frame-buffer handle that serves as a default frame-buffer.
  */
 extern unsigned int GHOST_GetDefaultOpenGLFramebuffer(GHOST_WindowHandle windwHandle);