74 lines
1.8 KiB
C++
74 lines
1.8 KiB
C++
/* -*- Mode: C++; tab-width: 8; 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 <string>
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#include <sstream>
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#include "GfxTexturesReporter.h"
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#include "gfxPrefs.h"
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using namespace mozilla;
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using namespace mozilla::gl;
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NS_IMPL_ISUPPORTS(GfxTexturesReporter, nsIMemoryReporter)
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Atomic<size_t> GfxTexturesReporter::sAmount(0);
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Atomic<size_t> GfxTexturesReporter::sPeakAmount(0);
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Atomic<size_t> GfxTexturesReporter::sTileWasteAmount(0);
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std::string
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FormatBytes(size_t amount)
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{
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std::stringstream stream;
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int depth = 0;
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double val = amount;
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while (val > 1024) {
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val /= 1024;
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depth++;
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}
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const char* unit;
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switch(depth) {
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case 0:
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unit = "bytes";
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break;
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case 1:
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unit = "KB";
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break;
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case 2:
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unit = "MB";
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break;
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case 3:
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unit = "GB";
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break;
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default:
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unit = "";
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break;
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}
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stream << val << " " << unit;
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return stream.str();
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}
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/* static */ void
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GfxTexturesReporter::UpdateAmount(MemoryUse action, size_t amount)
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{
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if (action == MemoryFreed) {
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MOZ_RELEASE_ASSERT(amount <= sAmount, "GFX: Current texture usage greater than update amount.");
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sAmount -= amount;
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if (gfxPrefs::GfxLoggingTextureUsageEnabled()) {
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printf_stderr("Current texture usage: %s\n", FormatBytes(sAmount).c_str());
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}
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} else {
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sAmount += amount;
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if (sAmount > sPeakAmount) {
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sPeakAmount.exchange(sAmount);
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if (gfxPrefs::GfxLoggingPeakTextureUsageEnabled()) {
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printf_stderr("Peak texture usage: %s\n", FormatBytes(sPeakAmount).c_str());
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}
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}
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}
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}
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