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
19 namespace vk {
20
21 std::atomic<uint32_t> ShaderModule::serialCounter(1); // Start at 1, 0 is invalid shader.
22
ShaderModule(const VkShaderModuleCreateInfo * pCreateInfo,void * mem)23 ShaderModule::ShaderModule(const VkShaderModuleCreateInfo *pCreateInfo, void *mem)
24 : serialID(nextSerialID())
25 , 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
destroy(const VkAllocationCallbacks * pAllocator)31 void ShaderModule::destroy(const VkAllocationCallbacks *pAllocator)
32 {
33 vk::deallocate(code, pAllocator);
34 }
35
ComputeRequiredAllocationSize(const VkShaderModuleCreateInfo * pCreateInfo)36 size_t ShaderModule::ComputeRequiredAllocationSize(const VkShaderModuleCreateInfo *pCreateInfo)
37 {
38 return pCreateInfo->codeSize;
39 }
40
41 } // namespace vk
42