forked from mirrors/gecko-dev
80 lines
2 KiB
C++
80 lines
2 KiB
C++
/* -*- Mode: C++; tab-width: 4; 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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#ifndef WEBGL_MEMORY_TRACKER_H_
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#define WEBGL_MEMORY_TRACKER_H_
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#include "mozilla/StaticPtr.h"
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#include "nsIMemoryReporter.h"
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namespace mozilla {
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class WebGLContext;
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class WebGLMemoryTracker : public nsIMemoryReporter
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{
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NS_DECL_THREADSAFE_ISUPPORTS
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NS_DECL_NSIMEMORYREPORTER
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WebGLMemoryTracker();
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static StaticRefPtr<WebGLMemoryTracker> sUniqueInstance;
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// Here we store plain pointers, not RefPtrs: we don't want the
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// WebGLMemoryTracker unique instance to keep alive all
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// WebGLContexts ever created.
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typedef nsTArray<const WebGLContext*> ContextsArrayType;
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ContextsArrayType mContexts;
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void InitMemoryReporter();
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static WebGLMemoryTracker* UniqueInstance();
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static ContextsArrayType& Contexts() { return UniqueInstance()->mContexts; }
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friend class WebGLContext;
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public:
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static void AddWebGLContext(const WebGLContext* c) {
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Contexts().AppendElement(c);
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}
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static void RemoveWebGLContext(const WebGLContext* c) {
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ContextsArrayType & contexts = Contexts();
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contexts.RemoveElement(c);
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if (contexts.IsEmpty()) {
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sUniqueInstance = nullptr;
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}
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}
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private:
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virtual ~WebGLMemoryTracker();
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static int64_t GetTextureMemoryUsed();
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static int64_t GetTextureCount();
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static int64_t GetBufferMemoryUsed();
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static int64_t GetBufferCacheMemoryUsed();
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static int64_t GetBufferCount();
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static int64_t GetRenderbufferMemoryUsed();
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static int64_t GetRenderbufferCount();
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static int64_t GetShaderSize();
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static int64_t GetShaderCount();
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static int64_t GetContextCount() {
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return Contexts().Length();
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}
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};
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} // namespace mozilla
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#endif // WEBGL_MEMORY_TRACKER_H_
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