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// Copyright (c) 2009 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_CONSTANTS_H_
#define GPU_COMMAND_BUFFER_COMMON_CONSTANTS_H_
#include "base/basictypes.h"
namespace gpu {
typedef int32 CommandBufferOffset;
const CommandBufferOffset kInvalidCommandBufferOffset = -1;
// Status of the command buffer service. It does not process commands
// (meaning: get will not change) unless in kParsing state.
namespace parser_status {
enum ParserStatus {
kNotConnected, // The service is not connected - initial state.
kNoBuffer, // The service is connected but no buffer was set.
kParsing, // The service is connected, and parsing commands from the
// buffer.
kParseError, // Parsing stopped because a parse error was found.
};
}
namespace parse_error {
enum ParseError {
kParseNoError,
kParseInvalidSize,
kParseOutOfBounds,
kParseUnknownCommand,
kParseInvalidArguments,
};
}
// Invalid shared memory Id, returned by RegisterSharedMemory in case of
// failure.
const int32 kInvalidSharedMemoryId = -1;
} // namespace gpu
#endif // GPU_COMMAND_BUFFER_COMMON_CONSTANTS_H_
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