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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/40285824): Remove this and convert code to safer constructs.
#pragma allow_unsafe_buffers
#endif
#include "gpu/vulkan/vulkan_memory.h"
#include <vulkan/vulkan.h>
#include <optional>
#include "base/logging.h"
#include "build/build_config.h"
#include "gpu/vulkan/vulkan_device_queue.h"
#include "gpu/vulkan/vulkan_function_pointers.h"
namespace gpu {
namespace {
std::optional<uint32_t> FindMemoryTypeIndex(
VkPhysicalDevice physical_device,
const VkMemoryRequirements* requirements,
VkMemoryPropertyFlags flags) {
VkPhysicalDeviceMemoryProperties properties;
vkGetPhysicalDeviceMemoryProperties(physical_device, &properties);
constexpr uint32_t kMaxIndex = 31;
for (uint32_t i = 0; i <= kMaxIndex; i++) {
if (((1u << i) & requirements->memoryTypeBits) == 0) {
continue;
}
if ((properties.memoryTypes[i].propertyFlags & flags) != flags) {
continue;
}
return i;
}
return std::nullopt;
}
} // namespace
VulkanMemory::VulkanMemory(base::PassKey<VulkanMemory> pass_key) {}
VulkanMemory::~VulkanMemory() {
DCHECK(!device_queue_);
DCHECK(device_memory_ == VK_NULL_HANDLE);
}
// static
std::unique_ptr<VulkanMemory> VulkanMemory::Create(
VulkanDeviceQueue* device_queue,
VkDeviceMemory device_memory,
VkDeviceSize size,
uint32_t type_index) {
auto memory = std::make_unique<VulkanMemory>(base::PassKey<VulkanMemory>());
memory->device_queue_ = device_queue;
memory->device_memory_ = device_memory;
memory->size_ = size;
memory->type_index_ = type_index;
return memory;
}
// static
std::unique_ptr<VulkanMemory> VulkanMemory::Create(
VulkanDeviceQueue* device_queue,
const VkMemoryRequirements* requirements,
const void* extra_allocate_info) {
auto memory = std::make_unique<VulkanMemory>(base::PassKey<VulkanMemory>());
if (!memory->Initialize(device_queue, requirements, extra_allocate_info)) {
return nullptr;
}
return memory;
}
void VulkanMemory::Destroy() {
if (!device_queue_) {
return;
}
VkDevice vk_device = device_queue_->GetVulkanDevice();
if (device_memory_ != VK_NULL_HANDLE) {
vkFreeMemory(vk_device, device_memory_, nullptr /* pAllocator */);
device_memory_ = VK_NULL_HANDLE;
}
device_queue_ = nullptr;
}
bool VulkanMemory::Initialize(VulkanDeviceQueue* device_queue,
const VkMemoryRequirements* requirements,
const void* extra_allocate_info) {
auto index =
FindMemoryTypeIndex(device_queue->GetVulkanPhysicalDevice(), requirements,
VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT);
if (!index) {
// Fallback to use any driver advertised memory type when the preferred
// DEVICE_LOCAL_BIT is not available.
index = FindMemoryTypeIndex(device_queue->GetVulkanPhysicalDevice(),
requirements, 0 /* flags */);
}
if (!index) {
DLOG(ERROR) << "Cannot find validate memory type index.";
return false;
}
VkMemoryAllocateInfo memory_allocate_info = {
.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO,
.pNext = extra_allocate_info,
.allocationSize = requirements->size,
.memoryTypeIndex = index.value(),
};
VkDevice vk_device = device_queue->GetVulkanDevice();
VkResult result = vkAllocateMemory(vk_device, &memory_allocate_info,
nullptr /* pAllocator */, &device_memory_);
if (result != VK_SUCCESS) {
DLOG(ERROR) << "vkAllocateMemory failed result:" << result;
return false;
}
device_queue_ = device_queue;
size_ = requirements->size;
type_index_ = index.value();
return true;
}
#if BUILDFLAG(IS_POSIX)
base::ScopedFD VulkanMemory::GetMemoryFd(
VkExternalMemoryHandleTypeFlagBits handle_type) {
VkMemoryGetFdInfoKHR get_fd_info = {
.sType = VK_STRUCTURE_TYPE_MEMORY_GET_FD_INFO_KHR,
.memory = device_memory_,
.handleType = handle_type,
};
VkDevice device = device_queue_->GetVulkanDevice();
int memory_fd = -1;
vkGetMemoryFdKHR(device, &get_fd_info, &memory_fd);
if (memory_fd < 0) {
DLOG(ERROR) << "Unable to extract file descriptor out of external VkImage";
return base::ScopedFD();
}
return base::ScopedFD(memory_fd);
}
#endif // BUILDFLAG(IS_POSIX)
#if BUILDFLAG(IS_WIN)
base::win::ScopedHandle VulkanMemory::GetMemoryHandle(
VkExternalMemoryHandleTypeFlagBits handle_type) {
VkMemoryGetWin32HandleInfoKHR get_handle_info = {
.sType = VK_STRUCTURE_TYPE_MEMORY_GET_WIN32_HANDLE_INFO_KHR,
.memory = device_memory(),
.handleType = handle_type,
};
VkDevice device = device_queue_->GetVulkanDevice();
HANDLE handle = nullptr;
vkGetMemoryWin32HandleKHR(device, &get_handle_info, &handle);
if (handle == nullptr) {
DLOG(ERROR) << "Unable to extract file handle out of external VkImage";
return base::win::ScopedHandle();
}
return base::win::ScopedHandle(handle);
}
#endif // BUILDFLAG(IS_WIN)
#if BUILDFLAG(IS_FUCHSIA)
zx::vmo VulkanMemory::GetMemoryZirconHandle() {
VkMemoryGetZirconHandleInfoFUCHSIA get_handle_info = {
.sType = VK_STRUCTURE_TYPE_MEMORY_GET_ZIRCON_HANDLE_INFO_FUCHSIA,
.memory = device_memory(),
.handleType = VK_EXTERNAL_MEMORY_HANDLE_TYPE_ZIRCON_VMO_BIT_FUCHSIA,
};
VkDevice device = device_queue_->GetVulkanDevice();
zx::vmo vmo;
VkResult result = vkGetMemoryZirconHandleFUCHSIA(device, &get_handle_info,
vmo.reset_and_get_address());
if (result != VK_SUCCESS) {
DLOG(ERROR) << "vkGetMemoryFuchsiaHandleKHR failed: " << result;
vmo.reset();
}
return vmo;
}
#endif // BUILDFLAG(IS_FUCHSIA)
} // namespace gpu
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