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50 lines
1.4 KiB
C++
50 lines
1.4 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "WebGLContext.h"
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#include "GLContext.h"
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#include "WebGLQuery.h"
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#include "mozilla/dom/WebGL2RenderingContextBinding.h"
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#include "nsContentUtils.h"
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using namespace mozilla;
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JSObject*
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WebGLQuery::WrapObject(JSContext *cx) {
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return dom::WebGLQueryBinding::Wrap(cx, this);
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}
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WebGLQuery::WebGLQuery(WebGLContext* context)
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: WebGLContextBoundObject(context)
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, mGLName(0)
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, mType(0)
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{
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mContext->mQueries.insertBack(this);
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mContext->MakeContextCurrent();
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mContext->gl->fGenQueries(1, &mGLName);
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}
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void WebGLQuery::Delete() {
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mContext->MakeContextCurrent();
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mContext->gl->fDeleteQueries(1, &mGLName);
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LinkedListElement<WebGLQuery>::removeFrom(mContext->mQueries);
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}
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bool WebGLQuery::IsActive() const
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{
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WebGLRefPtr<WebGLQuery>* targetSlot = mContext->GetQueryTargetSlot(mType, "WebGLQuery::IsActive()");
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MOZ_ASSERT(targetSlot, "unknown query object's type");
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return targetSlot && *targetSlot == this;
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}
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NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_0(WebGLQuery)
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NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(WebGLQuery, AddRef)
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NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(WebGLQuery, Release)
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