blob: a2eeb74ac46d016587056b8a54a49adbdac5a1fb (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
// Copyright (c) 2012 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 "../common/types.h"
namespace gpu {
typedef int32 CommandBufferOffset;
const CommandBufferOffset kInvalidCommandBufferOffset = -1;
// This enum must stay in sync with NPDeviceContext3DError.
namespace error {
enum Error {
kNoError,
kInvalidSize,
kOutOfBounds,
kUnknownCommand,
kInvalidArguments,
kLostContext,
kGenericError,
kDeferCommandUntilLater
};
// Return true if the given error code is an actual error.
inline bool IsError(Error error) {
return error != kNoError && error != kDeferCommandUntilLater;
}
// Provides finer grained information about why the context was lost.
enum ContextLostReason {
// This context definitely provoked the loss of context.
kGuilty,
// This context definitely did not provoke the loss of context.
kInnocent,
// It is unknown whether this context provoked the loss of context.
kUnknown
};
}
// Invalid shared memory Id, returned by RegisterSharedMemory in case of
// failure.
const int32 kInvalidSharedMemoryId = -1;
// Common Command Buffer shared memory transfer buffer ID.
const int32 kCommandBufferSharedMemoryId = 4;
} // namespace gpu
#endif // GPU_COMMAND_BUFFER_COMMON_CONSTANTS_H_
|