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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "gpu/vulkan/vma_wrapper.h"
#include <vk_mem_alloc.h>
#include <algorithm>
#include <array>
#include "base/check_op.h"
#include "build/build_config.h"
#include "gpu/vulkan/vulkan_function_pointers.h"
namespace gpu {
namespace vma {
VkResult CreateAllocator(VkPhysicalDevice physical_device,
VkDevice device,
VkInstance instance,
const gfx::ExtensionSet& enabled_extensions,
const VkDeviceSize preferred_large_heap_block_size,
const VkDeviceSize* heap_size_limit,
const bool is_thread_safe,
VmaAllocator* pAllocator) {
auto* function_pointers = gpu::GetVulkanFunctionPointers();
VmaVulkanFunctions functions = {};
functions.vkGetPhysicalDeviceProperties =
function_pointers->vkGetPhysicalDeviceProperties.get();
functions.vkGetPhysicalDeviceMemoryProperties =
function_pointers->vkGetPhysicalDeviceMemoryProperties.get();
functions.vkAllocateMemory = function_pointers->vkAllocateMemory.get();
functions.vkFreeMemory = function_pointers->vkFreeMemory.get();
functions.vkMapMemory = function_pointers->vkMapMemory.get();
functions.vkUnmapMemory = function_pointers->vkUnmapMemory.get();
functions.vkFlushMappedMemoryRanges =
function_pointers->vkFlushMappedMemoryRanges.get();
functions.vkInvalidateMappedMemoryRanges =
function_pointers->vkInvalidateMappedMemoryRanges.get();
functions.vkBindBufferMemory = function_pointers->vkBindBufferMemory.get();
functions.vkBindImageMemory = function_pointers->vkBindImageMemory.get();
functions.vkGetBufferMemoryRequirements =
function_pointers->vkGetBufferMemoryRequirements.get();
functions.vkGetImageMemoryRequirements =
function_pointers->vkGetImageMemoryRequirements.get();
functions.vkCreateBuffer = function_pointers->vkCreateBuffer.get();
functions.vkDestroyBuffer = function_pointers->vkDestroyBuffer.get();
functions.vkCreateImage = function_pointers->vkCreateImage.get();
functions.vkDestroyImage = function_pointers->vkDestroyImage.get();
functions.vkCmdCopyBuffer = function_pointers->vkCmdCopyBuffer.get();
functions.vkGetBufferMemoryRequirements2KHR =
function_pointers->vkGetBufferMemoryRequirements2.get();
functions.vkGetImageMemoryRequirements2KHR =
function_pointers->vkGetImageMemoryRequirements2.get();
functions.vkBindBufferMemory2KHR =
function_pointers->vkBindBufferMemory2.get();
functions.vkBindImageMemory2KHR = function_pointers->vkBindImageMemory2.get();
functions.vkGetPhysicalDeviceMemoryProperties2KHR =
function_pointers->vkGetPhysicalDeviceMemoryProperties2.get();
static_assert(kVulkanRequiredApiVersion >= VK_API_VERSION_1_1, "");
VmaAllocatorCreateInfo allocator_info = {
.physicalDevice = physical_device,
.device = device,
.preferredLargeHeapBlockSize = preferred_large_heap_block_size,
.pHeapSizeLimit = heap_size_limit,
.pVulkanFunctions = &functions,
.instance = instance,
.vulkanApiVersion = kVulkanRequiredApiVersion,
};
// Note that this extension is only requested on android as of now as a part
// of optional extensions in VulkanImplementation.
bool vk_ext_memory_budget_supported = gfx::HasExtension(
enabled_extensions, VK_EXT_MEMORY_BUDGET_EXTENSION_NAME);
// Enable VMA_ALLOCATOR_CREATE_EXT_MEMORY_BUDGET_BIT flag if extension is
// available.
if (vk_ext_memory_budget_supported) {
allocator_info.flags |= VMA_ALLOCATOR_CREATE_EXT_MEMORY_BUDGET_BIT;
}
// If DrDc is not enabled, use below flag which improves performance since
// internal mutex will not be used.
// TODO(vikassoni) : Analyze the perf impact of not using this flag and hence
// enabling internal mutex which will be use for every vma access with DrDc.
if (!is_thread_safe) {
allocator_info.flags |= VMA_ALLOCATOR_CREATE_EXTERNALLY_SYNCHRONIZED_BIT;
}
return vmaCreateAllocator(&allocator_info, pAllocator);
}
void DestroyAllocator(VmaAllocator allocator) {
vmaDestroyAllocator(allocator);
}
VkResult AllocateMemoryForImage(VmaAllocator allocator,
VkImage image,
const VmaAllocationCreateInfo* create_info,
VmaAllocation* allocation,
VmaAllocationInfo* allocation_info) {
return vmaAllocateMemoryForImage(allocator, image, create_info, allocation,
allocation_info);
}
VkResult AllocateMemoryForBuffer(VmaAllocator allocator,
VkBuffer buffer,
const VmaAllocationCreateInfo* create_info,
VmaAllocation* allocation,
VmaAllocationInfo* allocation_info) {
return vmaAllocateMemoryForBuffer(allocator, buffer, create_info, allocation,
allocation_info);
}
VkResult CreateBuffer(VmaAllocator allocator,
const VkBufferCreateInfo* buffer_create_info,
VkMemoryPropertyFlags required_flags,
VkMemoryPropertyFlags preferred_flags,
VkBuffer* buffer,
VmaAllocation* allocation) {
VmaAllocationCreateInfo allocation_create_info = {
.requiredFlags = required_flags,
.preferredFlags = preferred_flags,
};
return vmaCreateBuffer(allocator, buffer_create_info, &allocation_create_info,
buffer, allocation, nullptr);
}
void DestroyBuffer(VmaAllocator allocator,
VkBuffer buffer,
VmaAllocation allocation) {
vmaDestroyBuffer(allocator, buffer, allocation);
}
VkResult MapMemory(VmaAllocator allocator,
VmaAllocation allocation,
void** data) {
return vmaMapMemory(allocator, allocation, data);
}
void UnmapMemory(VmaAllocator allocator, VmaAllocation allocation) {
return vmaUnmapMemory(allocator, allocation);
}
void FreeMemory(VmaAllocator allocator, VmaAllocation allocation) {
vmaFreeMemory(allocator, allocation);
}
VkResult FlushAllocation(VmaAllocator allocator,
VmaAllocation allocation,
VkDeviceSize offset,
VkDeviceSize size) {
return vmaFlushAllocation(allocator, allocation, offset, size);
}
VkResult InvalidateAllocation(VmaAllocator allocator,
VmaAllocation allocation,
VkDeviceSize offset,
VkDeviceSize size) {
return vmaInvalidateAllocation(allocator, allocation, offset, size);
}
void GetAllocationInfo(VmaAllocator allocator,
VmaAllocation allocation,
VmaAllocationInfo* allocation_info) {
vmaGetAllocationInfo(allocator, allocation, allocation_info);
}
void GetMemoryTypeProperties(VmaAllocator allocator,
uint32_t memory_type_index,
VkMemoryPropertyFlags* flags) {
vmaGetMemoryTypeProperties(allocator, memory_type_index, flags);
}
void GetPhysicalDeviceProperties(
VmaAllocator allocator,
const VkPhysicalDeviceProperties** physical_device_properties) {
vmaGetPhysicalDeviceProperties(allocator, physical_device_properties);
}
void GetBudget(VmaAllocator allocator, VmaBudget* budget) {
vmaGetHeapBudgets(allocator, budget);
}
std::pair<uint64_t, uint64_t> GetTotalAllocatedAndUsedMemory(
VmaAllocator allocator) {
// See VulkanAMDMemoryAllocator::totalAllocatedAndUsedMemory() in skia for
// reference.
std::array<VmaBudget, VK_MAX_MEMORY_HEAPS> budget;
GetBudget(allocator, budget.data());
const VkPhysicalDeviceMemoryProperties* pPhysicalDeviceMemoryProperties;
vmaGetMemoryProperties(allocator, &pPhysicalDeviceMemoryProperties);
uint64_t total_allocated_memory = 0, total_used_memory = 0;
for (uint32_t i = 0; i < pPhysicalDeviceMemoryProperties->memoryHeapCount;
++i) {
total_allocated_memory += budget[i].statistics.blockBytes;
total_used_memory += budget[i].statistics.allocationBytes;
}
DCHECK_LE(total_used_memory, total_allocated_memory);
return {total_allocated_memory, total_used_memory};
}
} // namespace vma
} // namespace gpu
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