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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_GraphiteTestContext_DEFINED
#define skiatest_graphite_GraphiteTestContext_DEFINED
#include "include/core/SkRefCnt.h"
#include "include/gpu/graphite/GraphiteTypes.h"
namespace skgpu::graphite {
class Context;
class Recording;
}
namespace sk_gpu_test { class FlushFinishTracker; }
namespace skiatest::graphite {
/**
* An offscreen 3D context. This class is intended for Skia's internal testing needs and not
* for general use.
*/
class GraphiteTestContext {
public:
GraphiteTestContext(const GraphiteTestContext&) = delete;
GraphiteTestContext& operator=(const GraphiteTestContext&) = delete;
virtual ~GraphiteTestContext();
virtual skgpu::BackendApi backend() = 0;
virtual std::unique_ptr<skgpu::graphite::Context> makeContext() = 0;
bool getMaxGpuFrameLag(int *maxFrameLag) const {
*maxFrameLag = kMaxFrameLag;
return true;
}
/**
* This will insert a Recording and submit work to the GPU. Additionally, we will add a finished
* callback to our insert recording call. We allow ourselves to have kMaxFrameLag number of
* unfinished flushes active on the GPU at a time. If we have 2 outstanding flushes then we will
* wait on the CPU until one has finished.
*/
void submitRecordingAndWaitOnSync(skgpu::graphite::Context*, skgpu::graphite::Recording*);
protected:
static constexpr int kMaxFrameLag = 3;
sk_sp<sk_gpu_test::FlushFinishTracker> fFinishTrackers[kMaxFrameLag - 1];
int fCurrentFlushIdx = 0;
GraphiteTestContext();
};
} // namespace skiatest::graphite
#endif // skiatest_graphite_GraphiteTestContext_DEFINED