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https://github.com/encounter/dawn-cmake.git
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7f380d3d40
BUG=dawn:291 Change-Id: I9ebf34388abc6f5ff443a430f5bd79507c095520 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/15463 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Corentin Wallez <cwallez@chromium.org>
96 lines
3.9 KiB
C++
96 lines
3.9 KiB
C++
// Copyright 2018 The Dawn Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "dawn_native/vulkan/ShaderModuleVk.h"
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#include "dawn_native/vulkan/DeviceVk.h"
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#include "dawn_native/vulkan/FencedDeleter.h"
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#include "dawn_native/vulkan/VulkanError.h"
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#include <spirv_cross.hpp>
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namespace dawn_native { namespace vulkan {
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// static
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ResultOrError<ShaderModule*> ShaderModule::Create(Device* device,
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const ShaderModuleDescriptor* descriptor) {
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std::unique_ptr<ShaderModule> module(new ShaderModule(device, descriptor));
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if (!module)
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return DAWN_VALIDATION_ERROR("Unable to create ShaderModule");
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DAWN_TRY(module->Initialize(descriptor));
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return module.release();
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}
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ShaderModule::ShaderModule(Device* device, const ShaderModuleDescriptor* descriptor)
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: ShaderModuleBase(device, descriptor) {
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}
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MaybeError ShaderModule::Initialize(const ShaderModuleDescriptor* descriptor) {
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// Use SPIRV-Cross to extract info from the SPIRV even if Vulkan consumes SPIRV. We want to
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// have a translation step eventually anyway.
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if (GetDevice()->IsToggleEnabled(Toggle::UseSpvc)) {
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shaderc_spvc::CompileOptions options = GetCompileOptions();
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DAWN_TRY(CheckSpvcSuccess(
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mSpvcContext.InitializeForVulkan(descriptor->code, descriptor->codeSize, options),
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"Unable to initialize instance of spvc"));
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spirv_cross::Compiler* compiler;
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DAWN_TRY(CheckSpvcSuccess(mSpvcContext.GetCompiler(reinterpret_cast<void**>(&compiler)),
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"Unable to get cross compiler"));
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DAWN_TRY(ExtractSpirvInfo(*compiler));
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} else {
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spirv_cross::Compiler compiler(descriptor->code, descriptor->codeSize);
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DAWN_TRY(ExtractSpirvInfo(compiler));
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}
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VkShaderModuleCreateInfo createInfo;
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createInfo.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO;
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createInfo.pNext = nullptr;
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createInfo.flags = 0;
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std::vector<uint32_t> vulkanSource;
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if (GetDevice()->IsToggleEnabled(Toggle::UseSpvc)) {
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shaderc_spvc::CompilationResult result;
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DAWN_TRY(CheckSpvcSuccess(mSpvcContext.CompileShader(&result),
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"Unable to generate Vulkan shader"));
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DAWN_TRY(CheckSpvcSuccess(result.GetBinaryOutput(&vulkanSource),
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"Unable to get binary output of Vulkan shader"));
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createInfo.codeSize = vulkanSource.size() * sizeof(uint32_t);
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createInfo.pCode = vulkanSource.data();
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} else {
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createInfo.codeSize = descriptor->codeSize * sizeof(uint32_t);
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createInfo.pCode = descriptor->code;
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}
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Device* device = ToBackend(GetDevice());
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return CheckVkSuccess(
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device->fn.CreateShaderModule(device->GetVkDevice(), &createInfo, nullptr, &*mHandle),
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"CreateShaderModule");
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}
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ShaderModule::~ShaderModule() {
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Device* device = ToBackend(GetDevice());
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if (mHandle != VK_NULL_HANDLE) {
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device->GetFencedDeleter()->DeleteWhenUnused(mHandle);
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mHandle = VK_NULL_HANDLE;
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}
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}
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VkShaderModule ShaderModule::GetHandle() const {
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return mHandle;
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}
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}} // namespace dawn_native::vulkan
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