add range check to service-side MapBufferRange

gpu/command_buffer/service/buffer_manager.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef GPU_COMMAND_BUFFER_SERVICE_BUFFER_MANAGER_H_
 #define GPU_COMMAND_BUFFER_SERVICE_BUFFER_MANAGER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 52 matching lines @@
   // Gets the maximum value in the buffer for the given range interpreted as
   // the given type. Returns false if offset and count are out of range.
   // offset is in bytes.
   // count is in elements of type.
   bool GetMaxValueForRange(GLuint offset, GLsizei count, GLenum type,
                            bool primitive_restart_enabled, GLuint* max_value);
 
   // Returns a pointer to shadowed data.
   const void* GetRange(GLintptr offset, GLsizeiptr size) const;
 
+  // Check if an offset, size range is valid for the current buffer.
+  bool CheckRange(GLintptr offset, GLsizeiptr size) const;
+
   bool IsDeleted() const {
     return deleted_;
   }
 
   bool IsValid() const {
     return initial_target() && !IsDeleted();
   }
 
   bool IsClientSideArray() const {
     return is_client_side_array_;
@@ skipping 84 matching lines @@
                bool is_client_side_array);
 
   // Sets a range of data for this buffer. Returns false if the offset or size
   // is out of range.
   bool SetRange(
     GLintptr offset, GLsizeiptr size, const GLvoid * data);
 
   // Clears any cache of index ranges.
   void ClearCache();
 
-  // Check if an offset, size range is valid for the current buffer.
-  bool CheckRange(GLintptr offset, GLsizeiptr size) const;
-
   // The manager that owns this Buffer.
   BufferManager* manager_;
 
   // A copy of the data in the buffer. This data is only kept if the conditions
   // checked in UseShadowBuffer() are true.
   std::vector<uint8_t> shadow_;
 
   // Size of buffer.
   GLsizeiptr size_;
 
@@ skipping 189 matching lines @@
   bool lost_context_;
   bool use_client_side_arrays_for_stream_buffers_;
 
   DISALLOW_COPY_AND_ASSIGN(BufferManager);
 };
 
 }  // namespace gles2
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_BUFFER_MANAGER_H_