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 "spirv-tools/libspirv.hpp"
18
19 #include <cstring>
20
21 namespace vk {
22
ShaderModule(const VkShaderModuleCreateInfo * pCreateInfo,void * mem)23 ShaderModule::ShaderModule(const VkShaderModuleCreateInfo *pCreateInfo, void *mem)
24 : binary(pCreateInfo->pCode, pCreateInfo->codeSize / sizeof(uint32_t))
25 {
26 #if !defined(NDEBUG) || defined(DCHECK_ALWAYS_ON)
27 spvtools::SpirvTools spirvTools(SPIRV_VERSION);
28 spirvTools.SetMessageConsumer([](spv_message_level_t level, const char *source, const spv_position_t &position, const char *message) {
29 switch(level)
30 {
31 case SPV_MSG_FATAL: sw::warn("SPIR-V FATAL: %d:%d %s\n", int(position.line), int(position.column), message);
32 case SPV_MSG_INTERNAL_ERROR: sw::warn("SPIR-V INTERNAL_ERROR: %d:%d %s\n", int(position.line), int(position.column), message);
33 case SPV_MSG_ERROR: sw::warn("SPIR-V ERROR: %d:%d %s\n", int(position.line), int(position.column), message);
34 case SPV_MSG_WARNING: sw::warn("SPIR-V WARNING: %d:%d %s\n", int(position.line), int(position.column), message);
35 case SPV_MSG_INFO: sw::trace("SPIR-V INFO: %d:%d %s\n", int(position.line), int(position.column), message);
36 case SPV_MSG_DEBUG: sw::trace("SPIR-V DEBUG: %d:%d %s\n", int(position.line), int(position.column), message);
37 default: sw::trace("SPIR-V MESSAGE: %d:%d %s\n", int(position.line), int(position.column), message);
38 }
39 });
40
41 spvtools::ValidatorOptions validatorOptions = {};
42 validatorOptions.SetScalarBlockLayout(true); // VK_EXT_scalar_block_layout
43 validatorOptions.SetUniformBufferStandardLayout(true); // VK_KHR_uniform_buffer_standard_layout
44 validatorOptions.SetAllowLocalSizeId(true); // VK_KHR_maintenance4
45
46 ASSERT(spirvTools.Validate(binary.data(), binary.size(), validatorOptions)); // The SPIR-V code passed to vkCreateShaderModule must be valid (b/158228522)
47 #endif
48 }
49
ComputeRequiredAllocationSize(const VkShaderModuleCreateInfo * pCreateInfo)50 size_t ShaderModule::ComputeRequiredAllocationSize(const VkShaderModuleCreateInfo *pCreateInfo)
51 {
52 return 0;
53 }
54
55 } // namespace vk
56