Add m-esr52 at 52.6.0

1 files changed, 73 insertions, 0 deletions

diff --git a/dom/canvas/WebGLVertexArray.h b/dom/canvas/WebGLVertexArray.h
new file mode 100644
index 000000000..74f714af1
--- /dev/null
+++ b/dom/canvas/WebGLVertexArray.h
@@ -0,0 +1,73 @@
+/* -*- 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/. */
+
+#ifndef WEBGL_VERTEX_ARRAY_H_
+#define WEBGL_VERTEX_ARRAY_H_
+
+#include "nsTArray.h"
+#include "mozilla/LinkedList.h"
+#include "nsWrapperCache.h"
+
+#include "WebGLObjectModel.h"
+#include "WebGLStrongTypes.h"
+#include "WebGLVertexAttribData.h"
+
+namespace mozilla {
+
+class WebGLVertexArrayFake;
+
+class WebGLVertexArray
+    : public nsWrapperCache
+    , public WebGLRefCountedObject<WebGLVertexArray>
+    , public LinkedListElement<WebGLVertexArray>
+{
+public:
+    static WebGLVertexArray* Create(WebGLContext* webgl);
+
+    void BindVertexArray() {
+        // Bind to dummy value to signal that this vertex array has ever been
+        // bound.
+        BindVertexArrayImpl();
+    };
+
+    // Implement parent classes:
+    void Delete();
+    bool IsVertexArray() const;
+
+    WebGLContext* GetParentObject() const {
+        return mContext;
+    }
+
+    virtual JSObject* WrapObject(JSContext* cx, JS::Handle<JSObject*> givenProto) override;
+
+    NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(WebGLVertexArray)
+    NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(WebGLVertexArray)
+
+    GLuint GLName() const { return mGLName; }
+
+    void AddBufferBindCounts(int8_t addVal) const;
+
+protected:
+    explicit WebGLVertexArray(WebGLContext* webgl);
+    virtual ~WebGLVertexArray();
+
+    virtual void GenVertexArray() = 0;
+    virtual void BindVertexArrayImpl() = 0;
+    virtual void DeleteImpl() = 0;
+    virtual bool IsVertexArrayImpl() const = 0;
+
+    GLuint mGLName;
+    nsTArray<WebGLVertexAttribData> mAttribs;
+    WebGLRefPtr<WebGLBuffer> mElementArrayBuffer;
+
+    friend class ScopedDrawHelper;
+    friend class WebGLContext;
+    friend class WebGLVertexArrayFake;
+    friend class WebGL2Context;
+};
+
+} // namespace mozilla
+
+#endif // WEBGL_VERTEX_ARRAY_H_