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/* -*- Mode: C++; tab-width: 8; 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/. */
#ifndef GFXTEXTURESREPORTER_H_
#define GFXTEXTURESREPORTER_H_
#include "mozilla/Atomics.h"
#include "nsIMemoryReporter.h"
#include "GLTypes.h"
namespace mozilla {
namespace gl {
class GfxTexturesReporter final : public nsIMemoryReporter
{
~GfxTexturesReporter() {}
public:
NS_DECL_ISUPPORTS
GfxTexturesReporter()
{
#ifdef DEBUG
// There must be only one instance of this class, due to |sAmount|
// being static. Assert this.
static bool hasRun = false;
MOZ_ASSERT(!hasRun);
hasRun = true;
#endif
}
enum MemoryUse {
// when memory being allocated is reported to a memory reporter
MemoryAllocated,
// when memory being freed is reported to a memory reporter
MemoryFreed
};
// When memory is used/freed for tile textures, call this method to update
// the value reported by this memory reporter.
static void UpdateAmount(MemoryUse action, size_t amount);
static void UpdateWasteAmount(size_t delta) {
sTileWasteAmount += delta;
}
NS_IMETHOD CollectReports(nsIHandleReportCallback* aHandleReport,
nsISupports* aData, bool aAnonymize) override
{
MOZ_COLLECT_REPORT(
"gfx-tiles-waste", KIND_OTHER, UNITS_BYTES,
int64_t(sTileWasteAmount),
"Memory lost due to tiles extending past content boundaries");
MOZ_COLLECT_REPORT(
"gfx-textures", KIND_OTHER, UNITS_BYTES,
int64_t(sAmount),
"Memory used for storing GL textures.");
MOZ_COLLECT_REPORT(
"gfx-textures-peak", KIND_OTHER, UNITS_BYTES,
int64_t(sPeakAmount),
"Peak memory used for storing GL textures.");
return NS_OK;
}
private:
static Atomic<size_t> sAmount;
static Atomic<size_t> sPeakAmount;
// Count the amount of memory lost to tile waste
static Atomic<size_t> sTileWasteAmount;
};
class GfxTextureWasteTracker {
public:
GfxTextureWasteTracker()
: mBytes(0)
{
MOZ_COUNT_CTOR(GfxTextureWasteTracker);
}
void Update(int32_t aPixelArea, int32_t aBytesPerPixel) {
GfxTexturesReporter::UpdateWasteAmount(-mBytes);
mBytes = aPixelArea * aBytesPerPixel;
GfxTexturesReporter::UpdateWasteAmount(mBytes);
}
~GfxTextureWasteTracker() {
GfxTexturesReporter::UpdateWasteAmount(-mBytes);
MOZ_COUNT_DTOR(GfxTextureWasteTracker);
}
private:
GfxTextureWasteTracker(const GfxTextureWasteTracker& aRef);
int32_t mBytes;
};
} // namespace gl
} // namespace mozilla
#endif // GFXTEXTURESREPORTER_H_
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