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.
 
#ifndef FLUTTER_IMPELLER_PLAYGROUND_PLAYGROUND_TEST_H_
#define FLUTTER_IMPELLER_PLAYGROUND_PLAYGROUND_TEST_H_
 
#include <memory>
 
#include "flutter/fml/macros.h"
#include "flutter/testing/test_args.h"
#include "flutter/testing/testing.h"
#include "impeller/geometry/scalar.h"
#include "impeller/playground/playground.h"
#include "impeller/playground/switches.h"
 
#if FML_OS_MACOSX
#include "flutter/fml/platform/darwin/scoped_nsautorelease_pool.h"
#endif
 
namespace impeller {
 
class PlaygroundTest : public Playground,
                       public ::testing::TestWithParam<PlaygroundBackend> {
 public:
  PlaygroundTest();
 
  virtual ~PlaygroundTest();
 
  void SetUp() override;
 
  void TearDown() override;
 
  PlaygroundBackend GetBackend() const;
 
  // |Playground|
  std::unique_ptr<fml::Mapping> OpenAssetAsMapping(
      std::string asset_name) const override;
 
  RuntimeStage::Map OpenAssetAsRuntimeStage(const char* asset_name) const;
 
  // |Playground|
  std::string GetWindowTitle() const override;
 
  // TODO(dnfield): Delete this once
  // https://github.com/flutter/flutter/issues/122823 is fixed.
  bool BackendSupportsFragmentProgram() const {
    return GetBackend() != PlaygroundBackend::kVulkan;
  }
 
 private:
  // |Playground|
  bool ShouldKeepRendering() const;
 
#if FML_OS_MACOSX
  fml::ScopedNSAutoreleasePool autorelease_pool_;
#endif
 
  PlaygroundTest(const PlaygroundTest&) = delete;
 
  PlaygroundTest& operator=(const PlaygroundTest&) = delete;
};
 
#define INSTANTIATE_PLAYGROUND_SUITE(playground)                             \
  [[maybe_unused]] const char* kYouInstantiated##playground##MultipleTimes = \
      "";                                                                    \
  INSTANTIATE_TEST_SUITE_P(                                                  \
      Play, playground,                                                      \
      ::testing::Values(PlaygroundBackend::kMetal,                           \
                        PlaygroundBackend::kOpenGLES,                        \
                        PlaygroundBackend::kVulkan),                         \
      [](const ::testing::TestParamInfo<PlaygroundTest::ParamType>& info) {  \
        return PlaygroundBackendToString(info.param);                        \
      });
 
}  // namespace impeller
 
#endif  // FLUTTER_IMPELLER_PLAYGROUND_PLAYGROUND_TEST_H_