Add implementation for Vertex Array Object state.
TRAC #23390
Signed-off-by: Shannon Woods
Signed-off-by: Geoff Lang
Authored-by: Jamie Madill
diff --git a/src/libGLESv2/VertexArray.cpp b/src/libGLESv2/VertexArray.cpp
new file mode 100644
index 0000000..d7ec7bf
--- /dev/null
+++ b/src/libGLESv2/VertexArray.cpp
@@ -0,0 +1,67 @@
+#include "precompiled.h"
+//
+// Copyright (c) 2013 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.
+//
+// Implementation of the state class for mananging GLES 3 Vertex Array Objects.
+//
+
+#include "libGLESv2/VertexArray.h"
+#include "libGLESv2/Buffer.h"
+
+namespace gl
+{
+
+VertexArray::VertexArray(rx::Renderer *renderer, GLuint id)
+ : RefCountObject(id)
+{
+ for (int i = 0; i < MAX_VERTEX_ATTRIBS; i++)
+ {
+ mVertexAttributes[i].mBoundBuffer.set(NULL);
+ }
+ mElementArrayBuffer.set(NULL);
+}
+
+void VertexArray::detachBuffer(GLuint bufferName)
+{
+ for (int attribute = 0; attribute < MAX_VERTEX_ATTRIBS; attribute++)
+ {
+ if (mVertexAttributes[attribute].mBoundBuffer.id() == bufferName)
+ {
+ mVertexAttributes[attribute].mBoundBuffer.set(NULL);
+ }
+ }
+
+ if (mElementArrayBuffer.id() == bufferName)
+ {
+ mElementArrayBuffer.set(NULL);
+ }
+}
+
+const VertexAttribute& VertexArray::getVertexAttribute(unsigned int attributeIndex) const
+{
+ ASSERT(attributeIndex < MAX_VERTEX_ATTRIBS);
+ return mVertexAttributes[attributeIndex];
+}
+
+void VertexArray::setVertexAttribDivisor(GLuint index, GLuint divisor)
+{
+ ASSERT(index < gl::MAX_VERTEX_ATTRIBS);
+ mVertexAttributes[index].mDivisor = divisor;
+}
+
+void VertexArray::enableAttribute(unsigned int attributeIndex, bool enabledState)
+{
+ ASSERT(attributeIndex < gl::MAX_VERTEX_ATTRIBS);
+ mVertexAttributes[attributeIndex].mArrayEnabled = enabledState;
+}
+
+void VertexArray::setAttributeState(unsigned int attributeIndex, gl::Buffer *boundBuffer, GLint size, GLenum type,
+ bool normalized, bool pureInteger, GLsizei stride, const void *pointer)
+{
+ ASSERT(attributeIndex < gl::MAX_VERTEX_ATTRIBS);
+ mVertexAttributes[attributeIndex].setState(boundBuffer, size, type, normalized, pureInteger, stride, pointer);
+}
+
+}
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