UniformBuffer: update takes an offset

This will allow to properly use glBufferSubData to only update parts of the
buffer that have changed.

Change-Id: Ic4d30e4608de85c71f9650dd785a3c1b796e0ba4
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/render/io/uniformbuffer_p.h b/src/render/io/uniformbuffer_p.h
index 2cc2f0a64..62f6af1b1 100644
--- a/src/render/io/uniformbuffer_p.h
+++ b/src/render/io/uniformbuffer_p.h
@@ -61,7 +61,7 @@ public:
     void create(QGraphicsContext *ctx);
     void destroy(QGraphicsContext *ctx);
     void allocate(QGraphicsContext *ctx, uint size, bool dynamic = true);
-    void update(QGraphicsContext *ctx, const void *data, uint size);
+    void update(QGraphicsContext *ctx, const void *data, uint size, int offset = 0);
     void bindToUniformBlock(QGraphicsContext *ctx, int bindingPoint);
 
     inline GLuint bufferId() const { return m_bufferId; }