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96 lines
2.7 KiB
C++
96 lines
2.7 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* vim: set ts=8 sts=4 et sw=4 tw=80: */
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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 GFXTEXTURESREPORTER_H_
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#define GFXTEXTURESREPORTER_H_
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#include "mozilla/Atomics.h"
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#include "nsIMemoryReporter.h"
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#include "GLTypes.h"
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namespace mozilla {
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namespace gl {
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class GfxTexturesReporter MOZ_FINAL : public nsIMemoryReporter
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{
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~GfxTexturesReporter() {}
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public:
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NS_DECL_ISUPPORTS
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GfxTexturesReporter()
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{
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#ifdef DEBUG
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// There must be only one instance of this class, due to |sAmount|
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// being static. Assert this.
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static bool hasRun = false;
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MOZ_ASSERT(!hasRun);
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hasRun = true;
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#endif
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}
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enum MemoryUse {
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// when memory being allocated is reported to a memory reporter
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MemoryAllocated,
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// when memory being freed is reported to a memory reporter
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MemoryFreed
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};
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// When memory is used/freed for tile textures, call this method to update
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// the value reported by this memory reporter.
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static void UpdateAmount(MemoryUse action, GLenum format, GLenum type,
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int32_t tileWidth, int32_t tileHeight);
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static void UpdateWasteAmount(int32_t delta) {
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sTileWasteAmount += delta;
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}
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NS_IMETHOD CollectReports(nsIHandleReportCallback* aHandleReport,
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nsISupports* aData, bool aAnonymize) MOZ_OVERRIDE
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{
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MOZ_COLLECT_REPORT("gfx-tiles-waste", KIND_OTHER, UNITS_BYTES,
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sTileWasteAmount,
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"Memory lost due to tiles extending past content boundaries");
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return MOZ_COLLECT_REPORT(
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"gfx-textures", KIND_OTHER, UNITS_BYTES, sAmount,
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"Memory used for storing GL textures.");
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}
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private:
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static Atomic<int32_t> sAmount;
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// Count the amount of memory lost to tile waste
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static Atomic<int32_t> sTileWasteAmount;
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};
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class GfxTextureWasteTracker {
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public:
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GfxTextureWasteTracker()
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: mBytes(0)
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{
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MOZ_COUNT_CTOR(GfxTextureWasteTracker);
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}
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void Update(int32_t aPixelArea, int32_t aBytesPerPixel) {
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GfxTexturesReporter::UpdateWasteAmount(-mBytes);
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mBytes = aPixelArea * aBytesPerPixel;
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GfxTexturesReporter::UpdateWasteAmount(mBytes);
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}
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~GfxTextureWasteTracker() {
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GfxTexturesReporter::UpdateWasteAmount(-mBytes);
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MOZ_COUNT_DTOR(GfxTextureWasteTracker);
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}
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private:
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GfxTextureWasteTracker(const GfxTextureWasteTracker& aRef);
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int32_t mBytes;
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};
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}
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}
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#endif // GFXTEXTURESREPORTER_H_
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