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// Copyright 2021 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 "tests/white_box/VulkanImageWrappingTests.h"
#include "dawn_native/vulkan/DeviceVk.h"
#include "dawn_native/vulkan/FencedDeleter.h"
#include "dawn_native/vulkan/ResourceMemoryAllocatorVk.h"
#include <gtest/gtest.h>
#include <unistd.h>
namespace dawn::native::vulkan {
class ExternalSemaphoreOpaqueFD : public VulkanImageWrappingTestBackend::ExternalSemaphore {
public:
ExternalSemaphoreOpaqueFD(int handle) : mHandle(handle) {
}
~ExternalSemaphoreOpaqueFD() override {
if (mHandle != -1) {
close(mHandle);
}
}
int AcquireHandle() {
int handle = mHandle;
mHandle = -1;
return handle;
}
private:
int mHandle = -1;
};
class ExternalTextureOpaqueFD : public VulkanImageWrappingTestBackend::ExternalTexture {
public:
ExternalTextureOpaqueFD(dawn::native::vulkan::Device* device,
int fd,
VkDeviceMemory allocation,
VkImage handle,
VkDeviceSize allocationSize,
uint32_t memoryTypeIndex)
: mDevice(device),
mFd(fd),
mAllocation(allocation),
mHandle(handle),
allocationSize(allocationSize),
memoryTypeIndex(memoryTypeIndex) {
}
~ExternalTextureOpaqueFD() override {
if (mFd != -1) {
close(mFd);
}
if (mAllocation != VK_NULL_HANDLE) {
mDevice->GetFencedDeleter()->DeleteWhenUnused(mAllocation);
}
if (mHandle != VK_NULL_HANDLE) {
mDevice->GetFencedDeleter()->DeleteWhenUnused(mHandle);
}
}
int Dup() const {
return dup(mFd);
}
private:
dawn::native::vulkan::Device* mDevice;
int mFd = -1;
VkDeviceMemory mAllocation = VK_NULL_HANDLE;
VkImage mHandle = VK_NULL_HANDLE;
public:
const VkDeviceSize allocationSize;
const uint32_t memoryTypeIndex;
};
class VulkanImageWrappingTestBackendOpaqueFD : public VulkanImageWrappingTestBackend {
public:
VulkanImageWrappingTestBackendOpaqueFD(const wgpu::Device& device) : mDevice(device) {
mDeviceVk = dawn::native::vulkan::ToBackend(dawn::native::FromAPI(device.Get()));
}
std::unique_ptr<ExternalTexture> CreateTexture(uint32_t width,
uint32_t height,
wgpu::TextureFormat format,
wgpu::TextureUsage usage) override {
EXPECT_EQ(format, wgpu::TextureFormat::RGBA8Unorm);
VkFormat vulkanFormat = VK_FORMAT_R8G8B8A8_UNORM;
VkImage handle;
::VkResult result = CreateImage(mDeviceVk, width, height, vulkanFormat, &handle);
EXPECT_EQ(result, VK_SUCCESS) << "Failed to create external image";
VkDeviceMemory allocation;
VkDeviceSize allocationSize;
uint32_t memoryTypeIndex;
::VkResult resultBool =
AllocateMemory(mDeviceVk, handle, &allocation, &allocationSize, &memoryTypeIndex);
EXPECT_EQ(resultBool, VK_SUCCESS) << "Failed to allocate external memory";
result = BindMemory(mDeviceVk, handle, allocation);
EXPECT_EQ(result, VK_SUCCESS) << "Failed to bind image memory";
int fd = GetMemoryFd(mDeviceVk, allocation);
return std::make_unique<ExternalTextureOpaqueFD>(mDeviceVk, fd, allocation, handle,
allocationSize, memoryTypeIndex);
}
wgpu::Texture WrapImage(
const wgpu::Device& device,
const ExternalTexture* texture,
const ExternalImageDescriptorVkForTesting& descriptor,
std::vector<std::unique_ptr<ExternalSemaphore>> semaphores) override {
const ExternalTextureOpaqueFD* textureOpaqueFD =
static_cast<const ExternalTextureOpaqueFD*>(texture);
std::vector<int> waitFDs;
for (auto& semaphore : semaphores) {
waitFDs.push_back(
static_cast<ExternalSemaphoreOpaqueFD*>(semaphore.get())->AcquireHandle());
}
ExternalImageDescriptorOpaqueFD descriptorOpaqueFD;
*static_cast<ExternalImageDescriptorVk*>(&descriptorOpaqueFD) = descriptor;
descriptorOpaqueFD.memoryFD = textureOpaqueFD->Dup();
descriptorOpaqueFD.allocationSize = textureOpaqueFD->allocationSize;
descriptorOpaqueFD.memoryTypeIndex = textureOpaqueFD->memoryTypeIndex;
descriptorOpaqueFD.waitFDs = std::move(waitFDs);
return dawn::native::vulkan::WrapVulkanImage(device.Get(), &descriptorOpaqueFD);
}
bool ExportImage(const wgpu::Texture& texture,
VkImageLayout layout,
ExternalImageExportInfoVkForTesting* exportInfo) override {
ExternalImageExportInfoOpaqueFD infoOpaqueFD;
bool success = ExportVulkanImage(texture.Get(), layout, &infoOpaqueFD);
*static_cast<ExternalImageExportInfoVk*>(exportInfo) = infoOpaqueFD;
for (int fd : infoOpaqueFD.semaphoreHandles) {
EXPECT_NE(fd, -1);
exportInfo->semaphores.push_back(std::make_unique<ExternalSemaphoreOpaqueFD>(fd));
}
return success;
}
private:
// Creates a VkImage with external memory
::VkResult CreateImage(dawn::native::vulkan::Device* deviceVk,
uint32_t width,
uint32_t height,
VkFormat format,
VkImage* image) {
VkExternalMemoryImageCreateInfoKHR externalInfo;
externalInfo.sType = VK_STRUCTURE_TYPE_EXTERNAL_MEMORY_IMAGE_CREATE_INFO_KHR;
externalInfo.pNext = nullptr;
externalInfo.handleTypes = VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_FD_BIT_KHR;
auto usage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | VK_IMAGE_USAGE_TRANSFER_SRC_BIT |
VK_IMAGE_USAGE_TRANSFER_DST_BIT;
VkImageCreateInfo createInfo;
createInfo.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO;
createInfo.pNext = &externalInfo;
createInfo.flags = VK_IMAGE_CREATE_ALIAS_BIT_KHR;
createInfo.imageType = VK_IMAGE_TYPE_2D;
createInfo.format = format;
createInfo.extent = {width, height, 1};
createInfo.mipLevels = 1;
createInfo.arrayLayers = 1;
createInfo.samples = VK_SAMPLE_COUNT_1_BIT;
createInfo.tiling = VK_IMAGE_TILING_OPTIMAL;
createInfo.usage = usage;
createInfo.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
createInfo.queueFamilyIndexCount = 0;
createInfo.pQueueFamilyIndices = nullptr;
createInfo.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
return deviceVk->fn.CreateImage(deviceVk->GetVkDevice(), &createInfo, nullptr,
&**image);
}
// Allocates memory for an image
::VkResult AllocateMemory(dawn::native::vulkan::Device* deviceVk,
VkImage handle,
VkDeviceMemory* allocation,
VkDeviceSize* allocationSize,
uint32_t* memoryTypeIndex) {
// Create the image memory and associate it with the container
VkMemoryRequirements requirements;
deviceVk->fn.GetImageMemoryRequirements(deviceVk->GetVkDevice(), handle, &requirements);
// Import memory from file descriptor
VkExportMemoryAllocateInfoKHR externalInfo;
externalInfo.sType = VK_STRUCTURE_TYPE_EXPORT_MEMORY_ALLOCATE_INFO_KHR;
externalInfo.pNext = nullptr;
externalInfo.handleTypes = VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_FD_BIT_KHR;
int bestType = deviceVk->GetResourceMemoryAllocator()->FindBestTypeIndex(
requirements, MemoryKind::Opaque);
VkMemoryAllocateInfo allocateInfo;
allocateInfo.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
allocateInfo.pNext = &externalInfo;
allocateInfo.allocationSize = requirements.size;
allocateInfo.memoryTypeIndex = static_cast<uint32_t>(bestType);
*allocationSize = allocateInfo.allocationSize;
*memoryTypeIndex = allocateInfo.memoryTypeIndex;
return deviceVk->fn.AllocateMemory(deviceVk->GetVkDevice(), &allocateInfo, nullptr,
&**allocation);
}
// Binds memory to an image
::VkResult BindMemory(dawn::native::vulkan::Device* deviceVk,
VkImage handle,
VkDeviceMemory memory) {
return deviceVk->fn.BindImageMemory(deviceVk->GetVkDevice(), handle, memory, 0);
}
// Extracts a file descriptor representing memory on a device
int GetMemoryFd(dawn::native::vulkan::Device* deviceVk, VkDeviceMemory memory) {
VkMemoryGetFdInfoKHR getFdInfo;
getFdInfo.sType = VK_STRUCTURE_TYPE_MEMORY_GET_FD_INFO_KHR;
getFdInfo.pNext = nullptr;
getFdInfo.memory = memory;
getFdInfo.handleType = VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_FD_BIT_KHR;
int memoryFd = -1;
deviceVk->fn.GetMemoryFdKHR(deviceVk->GetVkDevice(), &getFdInfo, &memoryFd);
EXPECT_GE(memoryFd, 0) << "Failed to get file descriptor for external memory";
return memoryFd;
}
// Prepares and exports memory for an image on a given device
void CreateBindExportImage(dawn::native::vulkan::Device* deviceVk,
uint32_t width,
uint32_t height,
VkFormat format,
VkImage* handle,
VkDeviceMemory* allocation,
VkDeviceSize* allocationSize,
uint32_t* memoryTypeIndex,
int* memoryFd) {
}
wgpu::Device mDevice;
dawn::native::vulkan::Device* mDeviceVk;
};
// static
std::unique_ptr<VulkanImageWrappingTestBackend> VulkanImageWrappingTestBackend::Create(
const wgpu::Device& device) {
return std::make_unique<VulkanImageWrappingTestBackendOpaqueFD>(device);
}
} // namespace dawn::native::vulkan