commit 614c07f49dbff691e56423d7cc91510af79fbff7
author shannon.woods%transgaming.com@gtempaccount.com <shannon.woods%transgaming.com@gtempaccount.com@736b8ea6-26fd-11df-bfd4-992fa37f6226> Sat Apr 13 03:39:32 2013 +0000
committer shannon.woods%transgaming.com@gtempaccount.com <shannon.woods%transgaming.com@gtempaccount.com@736b8ea6-26fd-11df-bfd4-992fa37f6226> Sat Apr 13 03:39:32 2013 +0000
tree 498cba682008bba94f41b168eac53802a99fefb2
parent ab30bab925b1652171b9d05d72ecd8ebc0db6653

Added a copyBufferSubData method to Buffer.

TRAC #22811

Signed-off-by: Jamie Madill
Signed-off-by: Shannon Woods
Author: Geoff Lang

git-svn-id: https://angleproject.googlecode.com/svn/branches/es3proto@2133 736b8ea6-26fd-11df-bfd4-992fa37f6226

src/libGLESv2/Buffer.cpp

diff --git a/src/libGLESv2/Buffer.cpp b/src/libGLESv2/Buffer.cpp
index 8d5b4ef..0480d30 100644
--- a/src/libGLESv2/Buffer.cpp
+++ b/src/libGLESv2/Buffer.cpp
@@ -65,6 +65,18 @@
     mUnmodifiedDataUse = 0;
 }
 
+void Buffer::copyBufferSubData(Buffer* source, GLintptr sourceOffset, GLintptr destOffset, GLsizeiptr size)
+{
+    mBufferStorage->copyData(source->mBufferStorage, size, sourceOffset, destOffset);
+
+    if ((mStaticVertexBuffer && mStaticVertexBuffer->getBufferSize() != 0) || (mStaticIndexBuffer && mStaticIndexBuffer->getBufferSize() != 0))
+    {
+        invalidateStaticData();
+    }
+
+    mUnmodifiedDataUse = 0;
+}
+
 rx::BufferStorage *Buffer::getStorage() const
 {
     return mBufferStorage;