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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// This file contains the command parser class.
#ifndef GPU_COMMAND_BUFFER_SERVICE_ASYNC_API_INTERFACE_H_
#define GPU_COMMAND_BUFFER_SERVICE_ASYNC_API_INTERFACE_H_
#include <stddef.h>
#include <stdint.h>
#include <string_view>
#include "gpu/command_buffer/common/constants.h"
#include "gpu/command_buffer/service/gpu_command_buffer_service_export.h"
namespace gpu {
// This class defines the interface for an asynchronous API handler, that
// is responsible for de-multiplexing commands and their arguments.
class GPU_COMMAND_BUFFER_SERVICE_EXPORT AsyncAPIInterface {
public:
AsyncAPIInterface() = default;
virtual ~AsyncAPIInterface() = default;
virtual void BeginDecoding() = 0;
virtual void EndDecoding() = 0;
// Executes multiple commands.
// Parameters:
// num_commands: maximum number of commands to execute from buffer.
// buffer: pointer to first command entry to process.
// num_entries: number of sequential command buffer entries in buffer.
// entries_processed: if not 0, is set to the number of entries processed.
virtual error::Error DoCommands(unsigned int num_commands,
const volatile void* buffer,
int num_entries,
int* entries_processed) = 0;
virtual std::string_view GetLogPrefix() = 0;
};
} // namespace gpu
#endif // GPU_COMMAND_BUFFER_SERVICE_ASYNC_API_INTERFACE_H_
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