| // 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> |
| |
| namespace dawn_native { namespace vulkan { |
| |
| // static |
| ResultOrError<ShaderModule*> ShaderModule::Create(Device* device, |
| const ShaderModuleDescriptor* descriptor) { |
| Ref<ShaderModule> module = AcquireRef(new ShaderModule(device, descriptor)); |
| if (!module) |
| return DAWN_VALIDATION_ERROR("Unable to create ShaderModule"); |
| DAWN_TRY(module->Initialize()); |
| return module.Detach(); |
| } |
| |
| ShaderModule::ShaderModule(Device* device, const ShaderModuleDescriptor* descriptor) |
| : ShaderModuleBase(device, descriptor) { |
| } |
| |
| MaybeError ShaderModule::Initialize() { |
| DAWN_TRY(InitializeBase()); |
| const std::vector<uint32_t>& spirv = GetSpirv(); |
| |
| // Use SPIRV-Cross to extract info from the SPIRV even if Vulkan consumes SPIRV. We want to |
| // have a translation step eventually anyway. |
| if (GetDevice()->IsToggleEnabled(Toggle::UseSpvc)) { |
| shaderc_spvc::CompileOptions options = GetCompileOptions(); |
| |
| DAWN_TRY(CheckSpvcSuccess( |
| mSpvcContext.InitializeForVulkan(spirv.data(), spirv.size(), options), |
| "Unable to initialize instance of spvc")); |
| |
| spirv_cross::Compiler* compiler; |
| DAWN_TRY(CheckSpvcSuccess(mSpvcContext.GetCompiler(reinterpret_cast<void**>(&compiler)), |
| "Unable to get cross compiler")); |
| DAWN_TRY(ExtractSpirvInfo(*compiler)); |
| } else { |
| spirv_cross::Compiler compiler(spirv); |
| DAWN_TRY(ExtractSpirvInfo(compiler)); |
| } |
| |
| VkShaderModuleCreateInfo createInfo; |
| createInfo.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO; |
| createInfo.pNext = nullptr; |
| createInfo.flags = 0; |
| std::vector<uint32_t> vulkanSource; |
| if (GetDevice()->IsToggleEnabled(Toggle::UseSpvc)) { |
| shaderc_spvc::CompilationResult result; |
| DAWN_TRY(CheckSpvcSuccess(mSpvcContext.CompileShader(&result), |
| "Unable to generate Vulkan shader")); |
| DAWN_TRY(CheckSpvcSuccess(result.GetBinaryOutput(&vulkanSource), |
| "Unable to get binary output of Vulkan shader")); |
| createInfo.codeSize = vulkanSource.size() * sizeof(uint32_t); |
| createInfo.pCode = vulkanSource.data(); |
| } else { |
| createInfo.codeSize = spirv.size() * sizeof(uint32_t); |
| createInfo.pCode = spirv.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 |