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-rw-r--r--dom/canvas/WebGLVertexArray.h73
1 files changed, 73 insertions, 0 deletions
diff --git a/dom/canvas/WebGLVertexArray.h b/dom/canvas/WebGLVertexArray.h
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+/* -*- 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_