compute_playground_test.h

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// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
 
#pragma once
 
#include <memory>
 
#include "flutter/fml/macros.h"
#include "flutter/fml/time/time_delta.h"
#include "flutter/testing/testing.h"
#include "impeller/core/device_buffer.h"
#include "impeller/geometry/scalar.h"
#include "impeller/playground/playground.h"
 
namespace impeller {
 
class ComputePlaygroundTest
    : public Playground,
      public ::testing::TestWithParam<PlaygroundBackend> {
 public:
  ComputePlaygroundTest();
 
  virtual ~ComputePlaygroundTest();
 
  void SetUp() override;
 
  void TearDown() override;
 
  // |Playground|
  std::unique_ptr<fml::Mapping> OpenAssetAsMapping(
      std::string asset_name) const override;
 
  std::shared_ptr<RuntimeStage> OpenAssetAsRuntimeStage(
      const char* asset_name) const;
 
  // |Playground|
  std::string GetWindowTitle() const override;
 
  template <typename T>
  std::shared_ptr<DeviceBuffer> CreateHostVisibleDeviceBuffer(
      std::shared_ptr<Context> context,
      const std::string& label) {
    DeviceBufferDescriptor desc;
    desc.storage_mode = StorageMode::kHostVisible;
    desc.size = sizeof(T);
    auto buffer = context->GetResourceAllocator()->CreateBuffer(desc);
    buffer->SetLabel(label);
    return buffer;
  }
 
 private:
  fml::TimeDelta start_time_;
 
  FML_DISALLOW_COPY_AND_ASSIGN(ComputePlaygroundTest);
};
 
#define INSTANTIATE_COMPUTE_SUITE(playground)                              \
  INSTANTIATE_TEST_SUITE_P(                                                \
      Compute, playground,                                                 \
      ::testing::Values(PlaygroundBackend::kMetal,                         \
                        PlaygroundBackend::kVulkan),                       \
      [](const ::testing::TestParamInfo<ComputePlaygroundTest::ParamType>& \
             info) { return PlaygroundBackendToString(info.param); });
 
}  // namespace impeller