1 files changed, 77 insertions, 0 deletions
diff --git a/gfx/gl/GfxTexturesReporter.cpp b/gfx/gl/GfxTexturesReporter.cpp
new file mode 100644
index 0000000000..bd169e0013
--- /dev/null
+++ b/gfx/gl/GfxTexturesReporter.cpp
@@ -0,0 +1,77 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 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 "nsExceptionHandler.h"
+#include "GfxTexturesReporter.h"
+#include "mozilla/StaticPrefs_gfx.h"
+
+using namespace mozilla::gl;
+
+NS_IMPL_ISUPPORTS(GfxTexturesReporter, nsIMemoryReporter)
+
+mozilla::Atomic<size_t> GfxTexturesReporter::sAmount(0);
+mozilla::Atomic<size_t> GfxTexturesReporter::sPeakAmount(0);
+mozilla::Atomic<size_t> GfxTexturesReporter::sTileWasteAmount(0);
+
+static 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 (StaticPrefs::gfx_logging_texture_usage_enabled_AtStartup()) {
+      printf_stderr("Current texture usage: %s\n",
+                    FormatBytes(sAmount).c_str());
+    }
+  } else {
+    sAmount += amount;
+    if (sAmount > sPeakAmount) {
+      sPeakAmount.exchange(sAmount);
+      if (StaticPrefs::gfx_logging_peak_texture_usage_enabled_AtStartup()) {
+        printf_stderr("Peak texture usage: %s\n",
+                      FormatBytes(sPeakAmount).c_str());
+      }
+    }
+  }
+
+  CrashReporter::AnnotateTexturesSize(sAmount);
+}