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gpu / command_buffer / common / dawn_memory_transfer_handle.h [blame]
// Copyright 2019 The Chromium Authors
// 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_DAWN_MEMORY_TRANSFER_HANDLE_H_
#define GPU_COMMAND_BUFFER_COMMON_DAWN_MEMORY_TRANSFER_HANDLE_H_
namespace gpu {
namespace webgpu {
// This struct holds information describing a shared memory allocation used for
// bulk data transfers between the Dawn client and service. The shared memory is
// allocated by the client using MappedMemoryManager.
// On the GPU service, shared memory is received using
// CommonDecoder::GetSharedMemoryAs which checks the memory region is valid.
struct MemoryTransferHandle {
uint32_t size;
int32_t shm_id;
uint32_t shm_offset;
};
} // namespace webgpu
} // namespace gpu
#endif // GPU_COMMAND_BUFFER_COMMON_DAWN_MEMORY_TRANSFER_HANDLE_H_