1 #ifndef _VKTDGCUTILCOMMON_HPP
2 #define _VKTDGCUTILCOMMON_HPP
3 /*------------------------------------------------------------------------
4 * Vulkan Conformance Tests
5 * ------------------------
6 *
7 * Copyright (c) 2024 The Khronos Group Inc.
8 * Copyright (c) 2024 Valve Corporation.
9 *
10 * Licensed under the Apache License, Version 2.0 (the "License");
11 * you may not use this file except in compliance with the License.
12 * You may obtain a copy of the License at
13 *
14 * http://www.apache.org/licenses/LICENSE-2.0
15 *
16 * Unless required by applicable law or agreed to in writing, software
17 * distributed under the License is distributed on an "AS IS" BASIS,
18 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
19 * See the License for the specific language governing permissions and
20 * limitations under the License.
21 *
22 *//*!
23 * \file
24 * \brief Device Generated Commands Common (NV and EXT) Utility Code
25 *//*--------------------------------------------------------------------*/
26 #include "vkDefs.hpp"
27 #include "deMemory.h"
28
29 #include <vector>
30
31 namespace vkt
32 {
33 namespace DGC
34 {
35
36 // Returns true if the two memory requirements structures are equal.
37 bool equalMemoryRequirements(const vk::VkMemoryRequirements &, const vk::VkMemoryRequirements &);
38
39 // Push back an element of any type onto an std::vector (of uint8_t, uint32_t, etc).
40 // This is helpful to push items into a pseudobuffer that should contain DGC data.
41 template <typename T, typename K>
pushBackElement(std::vector<T> & out,const K & element)42 void pushBackElement(std::vector<T> &out, const K &element)
43 {
44 constexpr auto vecItemSize = sizeof(T);
45 constexpr auto elementSize = sizeof(K);
46 constexpr auto neededItems = (elementSize + vecItemSize - 1u) / vecItemSize;
47
48 DE_ASSERT(neededItems > 0u);
49 const auto prevSize = out.size();
50 out.resize(prevSize + neededItems);
51 const auto basePtr = &out.at(prevSize); // Important to take this after resizing, not before.
52 deMemcpy(basePtr, &element, sizeof(element));
53 };
54
55 } // namespace DGC
56 } // namespace vkt
57
58 #endif // _VKTDGCUTILCOMMON_HPP
59