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-rw-r--r--Source/ThirdParty/ANGLE/src/libGLESv2/Buffer.cpp56
1 files changed, 56 insertions, 0 deletions
diff --git a/Source/ThirdParty/ANGLE/src/libGLESv2/Buffer.cpp b/Source/ThirdParty/ANGLE/src/libGLESv2/Buffer.cpp
new file mode 100644
index 0000000..43993e7
--- /dev/null
+++ b/Source/ThirdParty/ANGLE/src/libGLESv2/Buffer.cpp
@@ -0,0 +1,56 @@
+//
+// Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Buffer.cpp: Implements the gl::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 "libGLESv2/Buffer.h"
+
+namespace gl
+{
+
+Buffer::Buffer(GLuint id) : RefCountObject(id)
+{
+ mContents = NULL;
+ mSize = 0;
+ mUsage = GL_DYNAMIC_DRAW;
+}
+
+Buffer::~Buffer()
+{
+ delete[] mContents;
+}
+
+void Buffer::bufferData(const void *data, GLsizeiptr size, GLenum usage)
+{
+ if (size == 0)
+ {
+ delete[] mContents;
+ mContents = NULL;
+ }
+ else if (size != mSize)
+ {
+ delete[] mContents;
+ mContents = new GLubyte[size];
+ memset(mContents, 0, size);
+ }
+
+ if (data != NULL && size > 0)
+ {
+ memcpy(mContents, data, size);
+ }
+
+ mSize = size;
+ mUsage = usage;
+}
+
+void Buffer::bufferSubData(const void *data, GLsizeiptr size, GLintptr offset)
+{
+ memcpy(mContents + offset, data, size);
+}
+
+}