gecko-dev/gfx/gl/GfxTexturesReporter.cpp
James Cheng 19a28705ea Bug 1297315 - Fix Wmaybe-uninitialized warning and get rid of goto statement in GLContextProviderGLX.cpp and GfxTexturesReporter.cpp. r=jgilbert
MozReview-Commit-ID: AUjK7HhatX6

--HG--
extra : rebase_source : 3df07981fdd0f7cff9576cff8fecf955522294bf
2016-08-23 14:30:37 +08:00

83 lines
2.0 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim: set ts=8 sts=4 et sw=4 tw=80: */
/* 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/. */
#include <string>
#include <sstream>
#include "GfxTexturesReporter.h"
#include "gfxPrefs.h"
#ifdef MOZ_CRASHREPORTER
#include "nsExceptionHandler.h"
#endif
using namespace mozilla;
using namespace mozilla::gl;
NS_IMPL_ISUPPORTS(GfxTexturesReporter, nsIMemoryReporter)
Atomic<size_t> GfxTexturesReporter::sAmount(0);
Atomic<size_t> GfxTexturesReporter::sPeakAmount(0);
Atomic<size_t> GfxTexturesReporter::sTileWasteAmount(0);
std::string
FormatBytes(size_t amount)
{
std::stringstream stream;
int depth = 0;
double val = amount;
while (val > 1024) {
val /= 1024;
depth++;
}
const char* unit;
switch(depth) {
case 0:
unit = "bytes";
break;
case 1:
unit = "KB";
break;
case 2:
unit = "MB";
break;
case 3:
unit = "GB";
break;
default:
unit = "";
break;
}
stream << val << " " << unit;
return stream.str();
}
/* static */ void
GfxTexturesReporter::UpdateAmount(MemoryUse action, size_t amount)
{
if (action == MemoryFreed) {
MOZ_RELEASE_ASSERT(amount <= sAmount, "GFX: Current texture usage greater than update amount.");
sAmount -= amount;
if (gfxPrefs::GfxLoggingTextureUsageEnabled()) {
printf_stderr("Current texture usage: %s\n", FormatBytes(sAmount).c_str());
}
} else {
sAmount += amount;
if (sAmount > sPeakAmount) {
sPeakAmount.exchange(sAmount);
if (gfxPrefs::GfxLoggingPeakTextureUsageEnabled()) {
printf_stderr("Peak texture usage: %s\n", FormatBytes(sPeakAmount).c_str());
}
}
}
#ifdef MOZ_CRASHREPORTER
CrashReporter::AnnotateTexturesSize(sAmount);
#endif
}