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[dxvk] Implement sparse image creation

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This commit is contained in:
Philip Rebohle 2022-08-20 15:59:19 +02:00
parent f7c255de2a
commit 2d124b811b
2 changed files with 103 additions and 57 deletions
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45
src/dxvk/dxvk_image.cpp
View File

@ -5,7 +5,7 @@
namespace dxvk {
DxvkImage::DxvkImage(
const DxvkDevice* device,
DxvkDevice* device,
const DxvkImageCreateInfo& createInfo,
DxvkMemoryAllocator& memAlloc,
VkMemoryPropertyFlags memFlags)
@ -47,6 +47,7 @@ namespace dxvk {
"DxvkImage: Failed to create image:",
"\n Type: ", info.imageType,
"\n Format: ", info.format,
"\n Flags: ", info.flags,
"\n Extent: ", "(", info.extent.width,
",", info.extent.height,
",", info.extent.depth, ")",
@ -57,15 +58,16 @@ namespace dxvk {
"\n Tiling: ", info.tiling));
}
VkImageMemoryRequirementsInfo2 memoryRequirementInfo = { VK_STRUCTURE_TYPE_IMAGE_MEMORY_REQUIREMENTS_INFO_2 };
memoryRequirementInfo.image = m_image.image;
if (!(info.flags & VK_IMAGE_CREATE_SPARSE_BINDING_BIT)) {
// Get memory requirements for the image and ask driver
// whether we need to use a dedicated allocation.
DxvkMemoryRequirements memoryRequirements = { };
memoryRequirements.dedicated = { VK_STRUCTURE_TYPE_MEMORY_DEDICATED_REQUIREMENTS };
memoryRequirements.core = { VK_STRUCTURE_TYPE_MEMORY_REQUIREMENTS_2, &memoryRequirements.dedicated };
VkImageMemoryRequirementsInfo2 memoryRequirementInfo = { VK_STRUCTURE_TYPE_IMAGE_MEMORY_REQUIREMENTS_INFO_2 };
memoryRequirementInfo.image = m_image.image;
m_vkd->vkGetImageMemoryRequirements2(m_vkd->device(),
&memoryRequirementInfo, &memoryRequirements.core);
@ -124,11 +126,38 @@ namespace dxvk {
if (m_vkd->vkBindImageMemory(m_vkd->device(), m_image.image,
m_image.memory.memory(), m_image.memory.offset()) != VK_SUCCESS)
throw DxvkError("DxvkImage::DxvkImage: Failed to bind device memory");
} else {
// Initialize sparse info. We do not immediately bind the metadata
// aspects of the image here, the caller needs to explicitly do that.
m_sparsePageTable = DxvkSparsePageTable(device, this);
// Allocate memory for sparse metadata if necessary
auto properties = m_sparsePageTable.getProperties();
if (properties.metadataPageCount) {
DxvkMemoryRequirements memoryRequirements = { };
memoryRequirements.core = { VK_STRUCTURE_TYPE_MEMORY_REQUIREMENTS_2 };
m_vkd->vkGetImageMemoryRequirements2(m_vkd->device(),
&memoryRequirementInfo, &memoryRequirements.core);
DxvkMemoryProperties memoryProperties = { };
memoryProperties.flags = m_memFlags;
// Set size and alignment to match the metadata requirements
auto& core = memoryRequirements.core.memoryRequirements;
core.size = SparseMemoryPageSize * properties.metadataPageCount;
core.alignment = SparseMemoryPageSize;
m_image.memory = memAlloc.alloc(memoryRequirements,
memoryProperties, DxvkMemoryFlag::GpuReadable);
}
}
}
DxvkImage::DxvkImage(
const DxvkDevice* device,
DxvkDevice* device,
const DxvkImageCreateInfo& info,
VkImage image)
: m_vkd(device->vkd()), m_device(device), m_info(info), m_image({ image }) {
@ -143,7 +172,8 @@ namespace dxvk {
DxvkImage::~DxvkImage() {
// This is a bit of a hack to determine whether
// the image is implementation-handled or not
if (m_image.memory.memory() != VK_NULL_HANDLE)
if ((m_image.memory.memory())
|| (m_info.flags & VK_IMAGE_CREATE_SPARSE_BINDING_BIT))
m_vkd->vkDestroyImage(m_vkd->device(), m_image.image, nullptr);
}
@ -157,6 +187,9 @@ namespace dxvk {
return false;
}
if (createInfo.flags & VK_IMAGE_CREATE_SPARSE_BINDING_BIT)
return false;
VkPhysicalDeviceExternalImageFormatInfo externalImageFormatInfo = { VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_EXTERNAL_IMAGE_FORMAT_INFO };
externalImageFormatInfo.handleType = sharingInfo.type;

17
src/dxvk/dxvk_image.h
View File

@ -4,6 +4,7 @@
#include "dxvk_format.h"
#include "dxvk_memory.h"
#include "dxvk_resource.h"
#include "dxvk_sparse.h"
#include "dxvk_util.h"
namespace dxvk {
@ -127,7 +128,7 @@ namespace dxvk {
public:
DxvkImage(
const DxvkDevice* device,
DxvkDevice* device,
const DxvkImageCreateInfo& createInfo,
DxvkMemoryAllocator& memAlloc,
VkMemoryPropertyFlags memFlags);
@ -141,7 +142,7 @@ namespace dxvk {
* otherwise some image operations may fail.
*/
DxvkImage(
const DxvkDevice* device,
DxvkDevice* device,
const DxvkImageCreateInfo& info,
VkImage image);
@ -323,6 +324,16 @@ namespace dxvk {
return result;
}
/**
* \brief Queries sparse page table
* \returns Page table, or \c nullptr for a non-sparse resource
*/
DxvkSparsePageTable* getSparsePageTable() {
return m_info.flags & VK_IMAGE_CREATE_SPARSE_BINDING_BIT
? &m_sparsePageTable
: nullptr;
}
/**
* \brief Create a new shared handle to dedicated memory backing the image
* \returns The shared handle with the type given by DxvkSharedHandleInfo::type
@ -336,6 +347,8 @@ namespace dxvk {
DxvkImageCreateInfo m_info;
VkMemoryPropertyFlags m_memFlags;
DxvkPhysicalImage m_image;
DxvkSparsePageTable m_sparsePageTable;
bool m_shared = false;
small_vector<VkFormat, 4> m_viewFormats;