ContextFactory.h

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/*
 * Copyright 2021 Google LLC
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */
 
#ifndef skiatest_graphite_ContextFactory_DEFINED
#define skiatest_graphite_ContextFactory_DEFINED
 
#include "include/core/SkRefCnt.h"
#include "include/gpu/graphite/ContextOptions.h"
#include "include/gpu/graphite/GraphiteTypes.h"
#include "include/private/base/SkTArray.h"
#include "tools/gpu/ContextType.h"
#include "tools/graphite/GraphiteTestContext.h"
#include "tools/graphite/TestOptions.h"
 
namespace skgpu::graphite {
class Context;
}
 
namespace skiatest::graphite {
 
struct ContextInfo {
    GraphiteTestContext* fTestContext = nullptr;
    skgpu::graphite::Context* fContext = nullptr;
};
 
class ContextFactory {
public:
    explicit ContextFactory(const TestOptions&);
    ContextFactory() = default;
    ContextFactory(const ContextFactory&) = delete;
    ContextFactory& operator=(const ContextFactory&) = delete;
 
    ~ContextFactory() = default;
 
    ContextInfo getContextInfo(skgpu::ContextType);
 
private:
    struct OwnedContextInfo {
        OwnedContextInfo();
        OwnedContextInfo(skgpu::ContextType,
                         std::unique_ptr<GraphiteTestContext>,
                         std::unique_ptr<skgpu::graphite::Context>);
 
        ~OwnedContextInfo();
        OwnedContextInfo(OwnedContextInfo&&);
        OwnedContextInfo& operator=(OwnedContextInfo&&);
 
        // This holds the same data as ContextInfo, but uses unique_ptr to maintain ownership.
        skgpu::ContextType fType = skgpu::ContextType::kMock;
        std::unique_ptr<GraphiteTestContext> fTestContext;
        std::unique_ptr<skgpu::graphite::Context> fContext;
    };
 
    static ContextInfo AsContextInfo(const OwnedContextInfo& ctx);
 
    skia_private::TArray<OwnedContextInfo> fContexts;
    const TestOptions fOptions = {};
};
 
}  // namespace skiatest::graphite
 
#endif  // skiatest_graphite_ContextFactory_DEFINED