1 files changed, 58 insertions, 0 deletions
diff --git a/chromium/gpu/command_buffer/common/constants.h b/chromium/gpu/command_buffer/common/constants.h
new file mode 100644
index 00000000000..ab25987af9d
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+++ b/chromium/gpu/command_buffer/common/constants.h
@@ -0,0 +1,58 @@
+// 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 "gpu/command_buffer/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;
+
+// The size to set for the program cache.
+const size_t kDefaultMaxProgramCacheMemoryBytes = 6 * 1024 * 1024;
+
+}  // namespace gpu
+
+#endif  // GPU_COMMAND_BUFFER_COMMON_CONSTANTS_H_