blob: 60c6ba6e19a37785a25d0b7641bd0447bb56b142 [file] [log] [blame]
// 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) {
std::unique_ptr<ShaderModule> module(new ShaderModule(device, descriptor));
if (!module)
return DAWN_VALIDATION_ERROR("Unable to create ShaderModule");
DAWN_TRY(module->Initialize(descriptor));
return module.release();
}
ShaderModule::ShaderModule(Device* device, const ShaderModuleDescriptor* descriptor)
: ShaderModuleBase(device, descriptor) {
}
MaybeError ShaderModule::Initialize(const ShaderModuleDescriptor* descriptor) {
// 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(descriptor->code, descriptor->codeSize, 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(descriptor->code, descriptor->codeSize);
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 = descriptor->codeSize * sizeof(uint32_t);
createInfo.pCode = descriptor->code;
}
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