| // Copyright 2018 The Dawn Authors |
| // |
| // 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 "dawn_native/vulkan/ShaderModuleVk.h" |
| |
| #include "dawn_native/vulkan/DeviceVk.h" |
| #include "dawn_native/vulkan/FencedDeleter.h" |
| #include "dawn_native/vulkan/VulkanError.h" |
| |
| #include <spirv_cross.hpp> |
| |
| #ifdef DAWN_ENABLE_WGSL |
| // Tint include must be after spirv_hlsl.hpp, because spirv-cross has its own |
| // version of spirv_headers. We also need to undef SPV_REVISION because SPIRV-Cross |
| // is at 3 while spirv-headers is at 4. |
| # undef SPV_REVISION |
| # include <tint/tint.h> |
| #endif // DAWN_ENABLE_WGSL |
| |
| namespace dawn_native { namespace vulkan { |
| |
| // static |
| ResultOrError<ShaderModule*> ShaderModule::Create(Device* device, |
| const ShaderModuleDescriptor* descriptor, |
| ShaderModuleParseResult* parseResult) { |
| Ref<ShaderModule> module = AcquireRef(new ShaderModule(device, descriptor)); |
| if (module == nullptr) { |
| return DAWN_VALIDATION_ERROR("Unable to create ShaderModule"); |
| } |
| DAWN_TRY(module->Initialize(parseResult)); |
| return module.Detach(); |
| } |
| |
| ShaderModule::ShaderModule(Device* device, const ShaderModuleDescriptor* descriptor) |
| : ShaderModuleBase(device, descriptor) { |
| } |
| |
| MaybeError ShaderModule::Initialize(ShaderModuleParseResult* parseResult) { |
| DAWN_TRY(InitializeBase(parseResult)); |
| |
| std::vector<uint32_t> spirv; |
| const std::vector<uint32_t>* spirvPtr; |
| if (GetDevice()->IsToggleEnabled(Toggle::UseTintGenerator)) { |
| #ifdef DAWN_ENABLE_WGSL |
| tint::ast::Module module = std::move(*std::move(parseResult->tintModule).release()); |
| |
| std::ostringstream errorStream; |
| errorStream << "Tint SPIR-V writer failure:" << std::endl; |
| |
| tint::transform::Manager transformManager; |
| transformManager.append(std::make_unique<tint::transform::BoundArrayAccessors>()); |
| transformManager.append(std::make_unique<tint::transform::EmitVertexPointSize>()); |
| |
| DAWN_TRY_ASSIGN(module, RunTransforms(&transformManager, &module)); |
| |
| tint::writer::spirv::Generator generator(std::move(module)); |
| if (!generator.Generate()) { |
| errorStream << "Generator: " << generator.error() << std::endl; |
| return DAWN_VALIDATION_ERROR(errorStream.str().c_str()); |
| } |
| |
| spirv = generator.result(); |
| spirvPtr = &spirv; |
| #else |
| UNREACHABLE(); |
| #endif |
| } else { |
| spirvPtr = &GetSpirv(); |
| } |
| |
| VkShaderModuleCreateInfo createInfo; |
| createInfo.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO; |
| createInfo.pNext = nullptr; |
| createInfo.flags = 0; |
| std::vector<uint32_t> vulkanSource; |
| createInfo.codeSize = spirvPtr->size() * sizeof(uint32_t); |
| createInfo.pCode = spirvPtr->data(); |
| |
| Device* device = ToBackend(GetDevice()); |
| return CheckVkSuccess( |
| device->fn.CreateShaderModule(device->GetVkDevice(), &createInfo, nullptr, &*mHandle), |
| "CreateShaderModule"); |
| } |
| |
| ShaderModule::~ShaderModule() { |
| Device* device = ToBackend(GetDevice()); |
| |
| if (mHandle != VK_NULL_HANDLE) { |
| device->GetFencedDeleter()->DeleteWhenUnused(mHandle); |
| mHandle = VK_NULL_HANDLE; |
| } |
| } |
| |
| VkShaderModule ShaderModule::GetHandle() const { |
| return mHandle; |
| } |
| |
| }} // namespace dawn_native::vulkan |