/* -*- 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 "MemoryReportingMLGPU.h"
#include "nsIMemoryReporter.h"

namespace mozilla {
namespace layers {
namespace mlg {

mozilla::Atomic<size_t> sConstantBufferUsage;
mozilla::Atomic<size_t> sVertexBufferUsage;
mozilla::Atomic<size_t> sRenderTargetUsage;

class MemoryReportingMLGPU final : public nsIMemoryReporter {
 public:
  NS_DECL_ISUPPORTS

  NS_IMETHOD CollectReports(nsIHandleReportCallback* aHandleReport,
                            nsISupports* aData, bool aAnonymize) override {
    if (sConstantBufferUsage) {
      MOZ_COLLECT_REPORT("mlgpu-constant-buffers", KIND_OTHER, UNITS_BYTES,
                         sConstantBufferUsage,
                         "Advanced Layers shader constant buffers.");
    }
    if (sVertexBufferUsage) {
      MOZ_COLLECT_REPORT("mlgpu-vertex-buffers", KIND_OTHER, UNITS_BYTES,
                         sVertexBufferUsage,
                         "Advanced Layers shader vertex buffers.");
    }
    if (sRenderTargetUsage) {
      MOZ_COLLECT_REPORT(
          "mlgpu-render-targets", KIND_OTHER, UNITS_BYTES, sRenderTargetUsage,
          "Advanced Layers render target textures and depth buffers.");
    }
    return NS_OK;
  }

 private:
  ~MemoryReportingMLGPU() = default;
};

NS_IMPL_ISUPPORTS(MemoryReportingMLGPU, nsIMemoryReporter);

void InitializeMemoryReporters() {
  RegisterStrongMemoryReporter(new MemoryReportingMLGPU());
}

}  // namespace mlg
}  // namespace layers
}  // namespace mozilla