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// Copyright 2017 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#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_