cc_state_tracker.cpp | Explore in Territory

/* Copyright (c) 2015-2024 The Khronos Group Inc.
 * Copyright (c) 2015-2024 Valve Corporation
 * Copyright (c) 2015-2024 LunarG, Inc.
 * Copyright (C) 2015-2024 Google Inc.
 * Modifications Copyright (C) 2020 Advanced Micro Devices, Inc. All rights reserved.
 * Modifications Copyright (C) 2022 RasterGrid Kft.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "cc_state_tracker.h"
#include "core_validation.h"

core::CommandBuffer::CommandBuffer(CoreChecks& core, VkCommandBuffer handle, const VkCommandBufferAllocateInfo* allocate_info,
                                   const vvl::CommandPool* pool)
    : … { … }

// Much of the data stored in vvl::CommandBuffer is only used by core validation, and is
// set up by Record calls in class CoreChecks. Because both the state tracker and
// core methods must lock vvl::CommandBuffer, it is possible for a Validate call to
// 'interrupt' a Record call and get only the state updated by whichever code
// locked and unlocked the CB first. This can only happen if the application
// is violating section 3.6 'Threading Behavior' of the specification, which
// requires that command buffers be externally synchronized. Still, we'd prefer
// not to crash if that happens. In most cases the core Record method is operating
// on separate data members from the state tracker. But in the case of vkCmdWaitEvents*,
// both methods operate on the same state in ways that could very easily crash if
// not done within the same lock guard. Overriding RecordWaitEvents() allows
// this to all happen completely while the state tracker is holding the lock.
// Eventually we'll probably want to move all of the core state into this derived
// class.
void core::CommandBuffer::RecordWaitEvents(vvl::Func command, uint32_t eventCount, const VkEvent* pEvents,
                                           VkPipelineStageFlags2KHR srcStageMask) { … }

std::shared_ptr<vvl::CommandBuffer> CoreChecks::CreateCmdBufferState(VkCommandBuffer handle,
                                                                     const VkCommandBufferAllocateInfo* allocate_info,
                                                                     const vvl::CommandPool* pool) { … }
chromium/third_party/vulkan-validation-layers/src/layers/core_checks/cc_state_tracker.cpp
