Add m-esr52 at 52.6.0

1 files changed, 81 insertions, 0 deletions

diff --git a/dom/canvas/WebGLVertexArray.cpp b/dom/canvas/WebGLVertexArray.cpp
new file mode 100644
index 000000000..e0c30ab51
--- /dev/null
+++ b/dom/canvas/WebGLVertexArray.cpp
@@ -0,0 +1,81 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "WebGLVertexArray.h"
+
+#include "GLContext.h"
+#include "mozilla/dom/WebGLRenderingContextBinding.h"
+#include "WebGLBuffer.h"
+#include "WebGLContext.h"
+#include "WebGLVertexArrayGL.h"
+#include "WebGLVertexArrayFake.h"
+
+namespace mozilla {
+
+JSObject*
+WebGLVertexArray::WrapObject(JSContext* cx, JS::Handle<JSObject*> givenProto)
+{
+    return dom::WebGLVertexArrayObjectBinding::Wrap(cx, this, givenProto);
+}
+
+WebGLVertexArray::WebGLVertexArray(WebGLContext* webgl)
+    : WebGLRefCountedObject(webgl)
+    , mGLName(0)
+{
+    mAttribs.SetLength(mContext->mGLMaxVertexAttribs);
+    mContext->mVertexArrays.insertBack(this);
+}
+
+WebGLVertexArray::~WebGLVertexArray()
+{
+    MOZ_ASSERT(IsDeleted());
+}
+
+void
+WebGLVertexArray::AddBufferBindCounts(int8_t addVal) const
+{
+    const GLenum target = 0; // Anything non-TF is fine.
+    WebGLBuffer::AddBindCount(target, mElementArrayBuffer.get(), addVal);
+    for (const auto& attrib : mAttribs) {
+        WebGLBuffer::AddBindCount(target, attrib.mBuf.get(), addVal);
+    }
+}
+
+WebGLVertexArray*
+WebGLVertexArray::Create(WebGLContext* webgl)
+{
+    WebGLVertexArray* array;
+    if (webgl->gl->IsSupported(gl::GLFeature::vertex_array_object)) {
+        array = new WebGLVertexArrayGL(webgl);
+    } else {
+        array = new WebGLVertexArrayFake(webgl);
+    }
+    return array;
+}
+
+void
+WebGLVertexArray::Delete()
+{
+    DeleteImpl();
+
+    LinkedListElement<WebGLVertexArray>::removeFrom(mContext->mVertexArrays);
+    mElementArrayBuffer = nullptr;
+    mAttribs.Clear();
+}
+
+bool
+WebGLVertexArray::IsVertexArray() const
+{
+    return IsVertexArrayImpl();
+}
+
+NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(WebGLVertexArray,
+                                      mAttribs,
+                                      mElementArrayBuffer)
+
+NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(WebGLVertexArray, AddRef)
+NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(WebGLVertexArray, Release)
+
+} // namespace mozilla