1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/content/canvas/src/WebGLQuery.cpp Wed Dec 31 06:09:35 2014 +0100 1.3 @@ -0,0 +1,50 @@ 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 "GLContext.h" 1.11 +#include "WebGLQuery.h" 1.12 +#include "mozilla/dom/WebGL2RenderingContextBinding.h" 1.13 +#include "nsContentUtils.h" 1.14 + 1.15 +using namespace mozilla; 1.16 + 1.17 +JSObject* 1.18 +WebGLQuery::WrapObject(JSContext *cx) { 1.19 + return dom::WebGLQueryBinding::Wrap(cx, this); 1.20 +} 1.21 + 1.22 +WebGLQuery::WebGLQuery(WebGLContext* context) 1.23 + : WebGLContextBoundObject(context) 1.24 + , mGLName(0) 1.25 + , mType(0) 1.26 +{ 1.27 + SetIsDOMBinding(); 1.28 + mContext->mQueries.insertBack(this); 1.29 + 1.30 + mContext->MakeContextCurrent(); 1.31 + mContext->gl->fGenQueries(1, &mGLName); 1.32 +} 1.33 + 1.34 +void WebGLQuery::Delete() { 1.35 + mContext->MakeContextCurrent(); 1.36 + mContext->gl->fDeleteQueries(1, &mGLName); 1.37 + LinkedListElement<WebGLQuery>::removeFrom(mContext->mQueries); 1.38 +} 1.39 + 1.40 +bool WebGLQuery::IsActive() const 1.41 +{ 1.42 + WebGLRefPtr<WebGLQuery>* targetSlot = mContext->GetQueryTargetSlot(mType, "WebGLQuery::IsActive()"); 1.43 + 1.44 + MOZ_ASSERT(targetSlot, "unknown query object's type"); 1.45 + 1.46 + return targetSlot && *targetSlot == this; 1.47 +} 1.48 + 1.49 + 1.50 +NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_0(WebGLQuery) 1.51 + 1.52 +NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(WebGLQuery, AddRef) 1.53 +NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(WebGLQuery, Release)