Move QGLShareContextScope to qgl_p.h so other things can use it.

Reviewed-by: trustme

2 files changed, 40 insertions, 37 deletions

diff --git a/src/opengl/qgl_p.h b/src/opengl/qgl_p.h
index 6905199..5496819 100644
--- a/src/opengl/qgl_p.h
+++ b/src/opengl/qgl_p.h
@@ -533,6 +533,46 @@ private:
     FreeFunc free;
 };
 
+// Temporarily make a context current if not already current or
+// shared with the current contex.  The previous context is made
+// current when the object goes out of scope.
+class Q_OPENGL_EXPORT QGLShareContextScope
+{
+public:
+    QGLShareContextScope(const QGLContext *ctx)
+        : m_oldContext(0)
+    {
+        QGLContext *currentContext = const_cast<QGLContext *>(QGLContext::currentContext());
+        if (currentContext != ctx && !qgl_share_reg()->checkSharing(ctx, currentContext)) {
+            m_oldContext = currentContext;
+            m_ctx = const_cast<QGLContext *>(ctx);
+            m_ctx->makeCurrent();
+        } else {
+            m_ctx = currentContext;
+        }
+    }
+
+    operator QGLContext *()
+    {
+        return m_ctx;
+    }
+
+    QGLContext *operator->()
+    {
+        return m_ctx;
+    }
+
+    ~QGLShareContextScope()
+    {
+        if (m_oldContext)
+            m_oldContext->makeCurrent();
+    }
+
+private:
+    QGLContext *m_oldContext;
+    QGLContext *m_ctx;
+};
+
 QT_END_NAMESPACE
 
 #endif // QGL_P_H
diff --git a/src/opengl/qpixmapdata_gl.cpp b/src/opengl/qpixmapdata_gl.cpp
index c193f12..e18f98b 100644
--- a/src/opengl/qpixmapdata_gl.cpp
+++ b/src/opengl/qpixmapdata_gl.cpp
@@ -132,43 +132,6 @@ void QGLFramebufferObjectPool::release(QGLFramebufferObject *fbo)
     m_fbos << fbo;
 }
 
-class QGLShareContextScope
-{
-public:
-    QGLShareContextScope(const QGLContext *ctx)
-        : m_oldContext(0)
-    {
-        QGLContext *currentContext = const_cast<QGLContext *>(QGLContext::currentContext());
-        if (currentContext != ctx && !qgl_share_reg()->checkSharing(ctx, currentContext)) {
-            m_oldContext = currentContext;
-            m_ctx = const_cast<QGLContext *>(ctx);
-            m_ctx->makeCurrent();
-        } else {
-            m_ctx = currentContext;
-        }
-    }
-
-    operator QGLContext *()
-    {
-        return m_ctx;
-    }
-
-    QGLContext *operator->()
-    {
-        return m_ctx;
-    }
-
-    ~QGLShareContextScope()
-    {
-        if (m_oldContext)
-            m_oldContext->makeCurrent();
-    }
-
-private:
-    QGLContext *m_oldContext;
-    QGLContext *m_ctx;
-};
-
 static int qt_gl_pixmap_serial = 0;
 
 QGLPixmapData::QGLPixmapData(PixelType type)