Add SwiftShader dump from Feb 6 2013
diff --git a/src/GLES2/libGLESv2/Buffer.cpp b/src/GLES2/libGLESv2/Buffer.cpp
new file mode 100644
index 0000000..e98d8eb
--- /dev/null
+++ b/src/GLES2/libGLESv2/Buffer.cpp
@@ -0,0 +1,88 @@
+// SwiftShader Software Renderer
+//
+// Copyright(c) 2005-2013 TransGaming Inc.
+//
+// All rights reserved. No part of this software may be copied, distributed, transmitted,
+// transcribed, stored in a retrieval system, translated into any human or computer
+// language by any means, or disclosed to third parties without the explicit written
+// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express
+// or implied, including but not limited to any patent rights, are granted to you.
+//
+
+// Buffer.cpp: Implements the Buffer class, representing storage of vertex and/or
+// index data. Implements GL buffer objects and related functionality.
+// [OpenGL ES 2.0.24] section 2.9 page 21.
+
+#include "Buffer.h"
+
+#include "main.h"
+#include "VertexDataManager.h"
+#include "IndexDataManager.h"
+
+namespace gl
+{
+
+Buffer::Buffer(GLuint id) : RefCountObject(id)
+{
+ mContents = 0;
+ mSize = 0;
+ mUsage = GL_DYNAMIC_DRAW;
+}
+
+Buffer::~Buffer()
+{
+ if(mContents)
+ {
+ mContents->destruct();
+ }
+}
+
+void Buffer::bufferData(const void *data, GLsizeiptr size, GLenum usage)
+{
+ if(mContents)
+ {
+ mContents->destruct();
+ mContents = 0;
+ }
+
+ mSize = size;
+ mUsage = usage;
+
+ if(size > 0)
+ {
+ const int padding = 1024; // For SIMD processing of vertices
+ mContents = new sw::Resource(size + padding);
+
+ if(!mContents)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+
+ if(data)
+ {
+ memcpy((void*)mContents->getBuffer(), data, size);
+ memset((char*)mContents->getBuffer() + size, 0, padding);
+ }
+ else
+ {
+ memset((void*)mContents->getBuffer(), 0, size + padding);
+ }
+ }
+}
+
+void Buffer::bufferSubData(const void *data, GLsizeiptr size, GLintptr offset)
+{
+ if(mContents)
+ {
+ char *buffer = (char*)mContents->lock(sw::PUBLIC);
+ memcpy(buffer + offset, data, size);
+ mContents->unlock();
+ }
+}
+
+sw::Resource *Buffer::getResource()
+{
+ return mContents;
+}
+
+}
