Move puglGetProcAddress to pugl_gl_backend.h

This establishes a general pattern for backend-specific APIs, so that pugl.h
doesn't become a mess.  The name of these headers, and the definition of
"backend", is a little fuzzy here, but it was before in reality anyway.

2 files changed, 11 insertions, 11 deletions

diff --git a/pugl/pugl.h b/pugl/pugl.h
index 2637734..868ebd5 100644
--- a/pugl/pugl.h
+++ b/pugl/pugl.h
@@ -715,11 +715,6 @@ puglGetNativeWindow(PuglView* view);
 typedef struct PuglBackendImpl PuglBackend;
 
 /**
-   OpenGL extension function.
-*/
-typedef void (*PuglGlFunc)(void);
-
-/**
    Set the graphics backend to use.
 
    This needs to be called once before creating the window to set the graphics
@@ -731,12 +726,6 @@ PUGL_API PuglStatus
 puglSetBackend(PuglView* view, const PuglBackend* backend);
 
 /**
-   Return the address of an OpenGL extension function.
-*/
-PUGL_API PuglGlFunc
-puglGetProcAddress(const char* name);
-
-/**
    Get the drawing context.
 
    The context is only guaranteed to be available during an expose.
diff --git a/pugl/pugl_gl_backend.h b/pugl/pugl_gl_backend.h
index 5913b95..59e76d1 100644
--- a/pugl/pugl_gl_backend.h
+++ b/pugl/pugl_gl_backend.h
@@ -28,6 +28,17 @@ extern "C" {
 #endif
 
 /**
+   OpenGL extension function.
+*/
+typedef void (*PuglGlFunc)(void);
+
+/**
+   Return the address of an OpenGL extension function.
+*/
+PUGL_API PuglGlFunc
+puglGetProcAddress(const char* name);
+
+/**
    OpenGL graphics backend.
 
    Pass the return value to puglInitBackend() to draw to a view with OpenGL.