dom/canvas/WebGLVertexArrayGL.cpp
author Terrence Cole <terrence@mozilla.com>
Tue, 15 Dec 2015 07:45:22 -0800
changeset 331272 e673dbc9848f2ae4cd11911e7b9fae8e4757cd0e
parent 309226 a68e4f331402e35aa076aa57169ce0486e8b82a2
child 356939 b86bbd7cd5f515c29a0b9abab3b751a275c00924
permissions -rw-r--r--
Bug 1232686 - Use decltype to infer Variant::match return type; r=fitzgen

/* -*- 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 "WebGLVertexArrayGL.h"

#include "GLContext.h"
#include "WebGLContext.h"

namespace mozilla {

WebGLVertexArrayGL::WebGLVertexArrayGL(WebGLContext* webgl)
    : WebGLVertexArray(webgl)
    , mIsVAO(false)
{ }

WebGLVertexArrayGL::~WebGLVertexArrayGL()
{
    DeleteOnce();
}

void
WebGLVertexArrayGL::DeleteImpl()
{
    mElementArrayBuffer = nullptr;

    mContext->MakeContextCurrent();
    mContext->gl->fDeleteVertexArrays(1, &mGLName);

    mIsVAO = false;
}

void
WebGLVertexArrayGL::BindVertexArrayImpl()
{
    mContext->mBoundVertexArray = this;
    mContext->gl->fBindVertexArray(mGLName);

    mIsVAO = true;
}

void
WebGLVertexArrayGL::GenVertexArray()
{
    mContext->gl->fGenVertexArrays(1, &mGLName);
}

bool
WebGLVertexArrayGL::IsVertexArrayImpl()
{
    gl::GLContext* gl = mContext->gl;
    if (gl->WorkAroundDriverBugs())
    {
        return mIsVAO;
    }

    mContext->MakeContextCurrent();
    return mContext->gl->fIsVertexArray(mGLName) != 0;
}

} // namespace mozilla