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// Copyright 2017 The Chromium 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 GPU_COMMAND_BUFFER_COMMON_CONTEXT_RESULT_H_
#define GPU_COMMAND_BUFFER_COMMON_CONTEXT_RESULT_H_
#include "gpu/gpu_export.h"
namespace gpu {
// The result of trying to create a gpu context. Also the result of intermediate
// steps which bubble up to the final result. If any fatal error occurs, the
// entire result should be fatal - as any attempt to retry is expected to get
// the same fatal result.
// Note: This enum is used to back an UMA histogram. Therefore these values
// should never be reordered, renumbered, or reused.
enum class ContextResult {
// The context was created and initialized successfully.
kSuccess,
// A failure occured that prevented the context from being initialized,
// but it can be retried and expect to make progress.
kTransientFailure,
// An error occured that will recur in future attempts too with the
// same inputs, retrying would not be productive.
kFatalFailure,
// An error occurred using the gpu::SurfaceHandle. Only retry with a new
// SurfaceHandle; treat as kFatalFailure otherwise.
kSurfaceFailure,
kLastContextResult = kSurfaceFailure,
// To use the two-arg version of the UMA_HISTOGRAM_ENUMERATION macro.
kMaxValue = kSurfaceFailure
};
GPU_EXPORT bool IsFatalOrSurfaceFailure(ContextResult result);
} // namespace gpu
#endif // GPU_COMMAND_BUFFER_COMMON_CONTEXT_RESULT_H_