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// Copyright 2017 The Dawn Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef INCLUDE_DAWN_WIRE_WIRE_H_
#define INCLUDE_DAWN_WIRE_WIRE_H_
#include <cstdint>
#include <limits>
#include "dawn/webgpu.h"
#include "dawn/wire/dawn_wire_export.h"
namespace dawn::wire {
class DAWN_WIRE_EXPORT CommandSerializer {
public:
CommandSerializer();
virtual ~CommandSerializer();
CommandSerializer(const CommandSerializer& rhs) = delete;
CommandSerializer& operator=(const CommandSerializer& rhs) = delete;
// Get space for serializing commands.
// GetCmdSpace will never be called with a value larger than
// what GetMaximumAllocationSize returns. Return nullptr to indicate
// a fatal error.
virtual void* GetCmdSpace(size_t size) = 0;
virtual bool Flush() = 0;
virtual size_t GetMaximumAllocationSize() const = 0;
virtual void OnSerializeError();
};
class DAWN_WIRE_EXPORT CommandHandler {
public:
CommandHandler();
virtual ~CommandHandler();
CommandHandler(const CommandHandler& rhs) = delete;
CommandHandler& operator=(const CommandHandler& rhs) = delete;
virtual const volatile char* HandleCommands(const volatile char* commands, size_t size) = 0;
};
} // namespace dawn::wire
#endif // INCLUDE_DAWN_WIRE_WIRE_H_