1 files changed, 8 insertions, 6 deletions
diff --git a/src/libGLESv2/Buffer.h b/src/libGLESv2/Buffer.h
index c39d7d7b..35a67675 100644
--- a/src/libGLESv2/Buffer.h
+++ b/src/libGLESv2/Buffer.h
@@ -11,6 +11,8 @@
 #ifndef LIBGLESV2_BUFFER_H_
 #define LIBGLESV2_BUFFER_H_
 
+#include "libGLESv2/Error.h"
+
 #include "common/angleutils.h"
 #include "common/RefCountObject.h"
 #include "libGLESv2/renderer/IndexRangeCache.h"
@@ -31,13 +33,13 @@ class Buffer : public RefCountObject
 
     virtual ~Buffer();
 
-    void bufferData(const void *data, GLsizeiptr size, GLenum usage);
-    void bufferSubData(const void *data, GLsizeiptr size, GLintptr offset);
-    void copyBufferSubData(Buffer* source, GLintptr sourceOffset, GLintptr destOffset, GLsizeiptr size);
-    GLvoid *mapRange(GLintptr offset, GLsizeiptr length, GLbitfield access);
-    void unmap();
+    Error bufferData(const void *data, GLsizeiptr size, GLenum usage);
+    Error bufferSubData(const void *data, GLsizeiptr size, GLintptr offset);
+    Error copyBufferSubData(Buffer* source, GLintptr sourceOffset, GLintptr destOffset, GLsizeiptr size);
+    Error mapRange(GLintptr offset, GLsizeiptr length, GLbitfield access);
+    Error unmap();
 
-    GLenum  getUsage() const { return mUsage; }
+    GLenum getUsage() const { return mUsage; }
     GLint getAccessFlags() const {  return mAccessFlags; }
     GLboolean isMapped() const { return mMapped; }
     GLvoid *getMapPointer() const { return mMapPointer; }