1// Copyright 2018 The SwiftShader Authors. All Rights Reserved.
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7// http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15#include "VkShaderModule.hpp"
16
17#include <cstring>
18
19namespace vk
20{
21
22std::atomic<uint32_t> ShaderModule::serialCounter(1); // Start at 1, 0 is invalid shader.
23
24ShaderModule::ShaderModule(const VkShaderModuleCreateInfo* pCreateInfo, void* mem)
25 : serialID(nextSerialID()), code(reinterpret_cast<uint32_t*>(mem))
26{
27 memcpy(code, pCreateInfo->pCode, pCreateInfo->codeSize);
28 wordCount = static_cast<uint32_t>(pCreateInfo->codeSize / sizeof(uint32_t));
29}
30
31void ShaderModule::destroy(const VkAllocationCallbacks* pAllocator)
32{
33 vk::deallocate(code, pAllocator);
34}
35
36size_t ShaderModule::ComputeRequiredAllocationSize(const VkShaderModuleCreateInfo* pCreateInfo)
37{
38 return pCreateInfo->codeSize;
39}
40
41} // namespace vk
42