michael@0: /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "WebGLContext.h"
michael@0: #include "WebGLBuffer.h"
michael@0: #include "WebGLVertexArray.h"
michael@0: #include "mozilla/dom/WebGLRenderingContextBinding.h"
michael@0: #include "GLContext.h"
michael@0: 
michael@0: using namespace mozilla;
michael@0: 
michael@0: JSObject*
michael@0: WebGLVertexArray::WrapObject(JSContext *cx) {
michael@0:     return dom::WebGLVertexArrayBinding::Wrap(cx, this);
michael@0: }
michael@0: 
michael@0: WebGLVertexArray::WebGLVertexArray(WebGLContext* context)
michael@0:     : WebGLContextBoundObject(context)
michael@0:     , mGLName(0)
michael@0:     , mHasEverBeenBound(false)
michael@0: {
michael@0:     SetIsDOMBinding();
michael@0: }
michael@0: 
michael@0: void WebGLVertexArray::Delete() {
michael@0:     if (mGLName != 0) {
michael@0:         mBoundElementArrayBuffer = nullptr;
michael@0: 
michael@0:         mContext->MakeContextCurrent();
michael@0:         mContext->gl->fDeleteVertexArrays(1, &mGLName);
michael@0:         LinkedListElement<WebGLVertexArray>::removeFrom(mContext->mVertexArrays);
michael@0:     }
michael@0: 
michael@0:     mBoundElementArrayBuffer = nullptr;
michael@0:     mAttribs.Clear();
michael@0: }
michael@0: 
michael@0: bool WebGLVertexArray::EnsureAttrib(GLuint index, const char *info)
michael@0: {
michael@0:     if (index >= GLuint(mContext->mGLMaxVertexAttribs)) {
michael@0:         if (index == GLuint(-1)) {
michael@0:             mContext->ErrorInvalidValue("%s: index -1 is invalid. That probably comes from a getAttribLocation() call, "
michael@0:                                         "where this return value -1 means that the passed name didn't correspond to an active attribute in "
michael@0:                                         "the specified program.", info);
michael@0:         } else {
michael@0:             mContext->ErrorInvalidValue("%s: index %d is out of range", info, index);
michael@0:         }
michael@0:         return false;
michael@0:     }
michael@0:     else if (index >= mAttribs.Length()) {
michael@0:         mAttribs.SetLength(index + 1);
michael@0:     }
michael@0: 
michael@0:     return true;
michael@0: }
michael@0: 
michael@0: NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_2(WebGLVertexArray,
michael@0:   mAttribs,
michael@0:   mBoundElementArrayBuffer)
michael@0: 
michael@0: NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(WebGLVertexArray, AddRef)
michael@0: NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(WebGLVertexArray, Release)