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72 lines
1.9 KiB
C++
72 lines
1.9 KiB
C++
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef GPU_COMMAND_BUFFER_COMMON_CONSTANTS_H_
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#define GPU_COMMAND_BUFFER_COMMON_CONSTANTS_H_
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#include <stddef.h>
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#include <stdint.h>
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namespace gpu {
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typedef int32_t CommandBufferOffset;
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const CommandBufferOffset kInvalidCommandBufferOffset = -1;
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// This enum must stay in sync with NPDeviceContext3DError.
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namespace error {
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enum Error {
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kNoError,
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kInvalidSize,
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kOutOfBounds,
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kUnknownCommand,
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kInvalidArguments,
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kLostContext,
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kGenericError,
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kDeferCommandUntilLater,
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kErrorLast = kDeferCommandUntilLater,
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};
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// Return true if the given error code is an actual error.
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inline bool IsError(Error error) {
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return error != kNoError && error != kDeferCommandUntilLater;
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}
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// Provides finer grained information about why the context was lost.
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enum ContextLostReason {
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// This context definitely provoked the loss of context.
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kGuilty,
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// This context definitely did not provoke the loss of context.
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kInnocent,
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// It is unknown whether this context provoked the loss of context.
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kUnknown,
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// GL_OUT_OF_MEMORY caused this context to be lost.
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kOutOfMemory,
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// A failure to make the context current caused it to be lost.
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kMakeCurrentFailed,
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// The GPU channel was lost. This error is set client-side.
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kGpuChannelLost,
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kContextLostReasonLast = kGpuChannelLost
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};
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}
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// Invalid shared memory Id, returned by RegisterSharedMemory in case of
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// failure.
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const int32_t kInvalidSharedMemoryId = -1;
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// Common Command Buffer shared memory transfer buffer ID.
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const int32_t kCommandBufferSharedMemoryId = 4;
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// The size to set for the program cache.
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const size_t kDefaultMaxProgramCacheMemoryBytes = 6 * 1024 * 1024;
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} // namespace gpu
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#endif // GPU_COMMAND_BUFFER_COMMON_CONSTANTS_H_
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