1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/content/canvas/src/WebGLVertexArray.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,64 @@
1.4 +/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#include "WebGLContext.h"
1.10 +#include "WebGLBuffer.h"
1.11 +#include "WebGLVertexArray.h"
1.12 +#include "mozilla/dom/WebGLRenderingContextBinding.h"
1.13 +#include "GLContext.h"
1.14 +
1.15 +using namespace mozilla;
1.16 +
1.17 +JSObject*
1.18 +WebGLVertexArray::WrapObject(JSContext *cx) {
1.19 + return dom::WebGLVertexArrayBinding::Wrap(cx, this);
1.20 +}
1.21 +
1.22 +WebGLVertexArray::WebGLVertexArray(WebGLContext* context)
1.23 + : WebGLContextBoundObject(context)
1.24 + , mGLName(0)
1.25 + , mHasEverBeenBound(false)
1.26 +{
1.27 + SetIsDOMBinding();
1.28 +}
1.29 +
1.30 +void WebGLVertexArray::Delete() {
1.31 + if (mGLName != 0) {
1.32 + mBoundElementArrayBuffer = nullptr;
1.33 +
1.34 + mContext->MakeContextCurrent();
1.35 + mContext->gl->fDeleteVertexArrays(1, &mGLName);
1.36 + LinkedListElement<WebGLVertexArray>::removeFrom(mContext->mVertexArrays);
1.37 + }
1.38 +
1.39 + mBoundElementArrayBuffer = nullptr;
1.40 + mAttribs.Clear();
1.41 +}
1.42 +
1.43 +bool WebGLVertexArray::EnsureAttrib(GLuint index, const char *info)
1.44 +{
1.45 + if (index >= GLuint(mContext->mGLMaxVertexAttribs)) {
1.46 + if (index == GLuint(-1)) {
1.47 + mContext->ErrorInvalidValue("%s: index -1 is invalid. That probably comes from a getAttribLocation() call, "
1.48 + "where this return value -1 means that the passed name didn't correspond to an active attribute in "
1.49 + "the specified program.", info);
1.50 + } else {
1.51 + mContext->ErrorInvalidValue("%s: index %d is out of range", info, index);
1.52 + }
1.53 + return false;
1.54 + }
1.55 + else if (index >= mAttribs.Length()) {
1.56 + mAttribs.SetLength(index + 1);
1.57 + }
1.58 +
1.59 + return true;
1.60 +}
1.61 +
1.62 +NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_2(WebGLVertexArray,
1.63 + mAttribs,
1.64 + mBoundElementArrayBuffer)
1.65 +
1.66 +NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(WebGLVertexArray, AddRef)
1.67 +NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(WebGLVertexArray, Release)
