1 files changed, 82 insertions, 0 deletions
diff --git a/gfx/gl/GfxTexturesReporter.cpp b/gfx/gl/GfxTexturesReporter.cpp
new file mode 100644
index 000000000..8007fe6b1
--- /dev/null
+++ b/gfx/gl/GfxTexturesReporter.cpp
@@ -0,0 +1,82 @@
+/* -*- 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
+}