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[dxvk] Clean up internal memory allocation API
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@doitsujin
doitsujin committed Aug 25, 2022
1 parent 5117210 commit 5c34a09
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Showing 4 changed files with 164 additions and 135 deletions.
35 changes: 20 additions & 15 deletions src/dxvk/dxvk_buffer.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -65,25 +65,32 @@ namespace dxvk {

DxvkBufferHandle handle;

if (vkd->vkCreateBuffer(vkd->device(),
&info, nullptr, &handle.buffer) != VK_SUCCESS) {
if (vkd->vkCreateBuffer(vkd->device(), &info, nullptr, &handle.buffer)) {
throw DxvkError(str::format(
"DxvkBuffer: Failed to create buffer:"
"\n size: ", info.size,
"\n usage: ", info.usage));
}

// Query memory requirements and whether 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 };

VkBufferMemoryRequirementsInfo2 memoryRequirementInfo = { VK_STRUCTURE_TYPE_BUFFER_MEMORY_REQUIREMENTS_INFO_2 };
memoryRequirementInfo.buffer = handle.buffer;

VkMemoryDedicatedRequirements dedicatedRequirements = { VK_STRUCTURE_TYPE_MEMORY_DEDICATED_REQUIREMENTS };
VkMemoryRequirements2 memReq = { VK_STRUCTURE_TYPE_MEMORY_REQUIREMENTS_2, &dedicatedRequirements };

VkBufferMemoryRequirementsInfo2 memReqInfo = { VK_STRUCTURE_TYPE_BUFFER_MEMORY_REQUIREMENTS_INFO_2 };
memReqInfo.buffer = handle.buffer;

VkMemoryDedicatedAllocateInfo dedMemoryAllocInfo = { VK_STRUCTURE_TYPE_MEMORY_DEDICATED_ALLOCATE_INFO };
dedMemoryAllocInfo.buffer = handle.buffer;
vkd->vkGetBufferMemoryRequirements2(vkd->device(),
&memoryRequirementInfo, &memoryRequirements.core);

// Fill in desired memory properties
DxvkMemoryProperties memoryProperties = { };
memoryProperties.flags = m_memFlags;

vkd->vkGetBufferMemoryRequirements2(
vkd->device(), &memReqInfo, &memReq);
if (memoryRequirements.dedicated.prefersDedicatedAllocation) {
memoryProperties.dedicated = { VK_STRUCTURE_TYPE_MEMORY_DEDICATED_ALLOCATE_INFO };
memoryProperties.dedicated.buffer = handle.buffer;
}

// Use high memory priority for GPU-writable resources
bool isGpuWritable = (m_info.access & (
Expand All @@ -102,9 +109,7 @@ namespace dxvk {
&& (m_info.usage & VK_BUFFER_USAGE_TRANSFER_SRC_BIT))
hints.set(DxvkMemoryFlag::Transient);

// Ask driver whether we should be using a dedicated allocation
handle.memory = m_memAlloc->alloc(&memReq.memoryRequirements,
dedicatedRequirements, dedMemoryAllocInfo, m_memFlags, hints);
handle.memory = m_memAlloc->alloc(memoryRequirements, memoryProperties, hints);

if (vkd->vkBindBufferMemory(vkd->device(), handle.buffer,
handle.memory.memory(), handle.memory.offset()) != VK_SUCCESS)
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93 changes: 47 additions & 46 deletions src/dxvk/dxvk_image.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -22,7 +22,10 @@ namespace dxvk {
VkImageFormatListCreateInfo formatList = { VK_STRUCTURE_TYPE_IMAGE_FORMAT_LIST_CREATE_INFO };
formatList.viewFormatCount = createInfo.viewFormatCount;
formatList.pViewFormats = createInfo.viewFormats;


VkExternalMemoryImageCreateInfo externalInfo = { VK_STRUCTURE_TYPE_EXTERNAL_MEMORY_IMAGE_CREATE_INFO };
externalInfo.handleTypes = createInfo.sharing.type;

VkImageCreateInfo info = { VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO, &formatList };
info.flags = createInfo.flags;
info.imageType = createInfo.type;
Expand All @@ -36,17 +39,10 @@ namespace dxvk {
info.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
info.initialLayout = createInfo.initialLayout;

m_shared = canShareImage(info, createInfo.sharing);

VkExternalMemoryImageCreateInfo externalInfo = { VK_STRUCTURE_TYPE_EXTERNAL_MEMORY_IMAGE_CREATE_INFO };

if (m_shared) {
if ((m_shared = canShareImage(info, createInfo.sharing)))
externalInfo.pNext = std::exchange(info.pNext, &externalInfo);
externalInfo.handleTypes = createInfo.sharing.type;
}

if (m_vkd->vkCreateImage(m_vkd->device(),
&info, nullptr, &m_image.image) != VK_SUCCESS) {

if (m_vkd->vkCreateImage(m_vkd->device(), &info, nullptr, &m_image.image)) {
throw DxvkError(str::format(
"DxvkImage: Failed to create image:",
"\n Type: ", info.imageType,
Expand All @@ -61,40 +57,52 @@ namespace dxvk {
"\n Tiling: ", info.tiling));
}

// Get memory requirements for the image. We may enforce strict
// alignment on non-linear images in order not to violate the
// bufferImageGranularity limit, which may be greater than the
// required resource memory alignment on some GPUs.
VkMemoryDedicatedRequirements dedicatedRequirements = { VK_STRUCTURE_TYPE_MEMORY_DEDICATED_REQUIREMENTS };
VkMemoryRequirements2 memReq = { VK_STRUCTURE_TYPE_MEMORY_REQUIREMENTS_2, &dedicatedRequirements };

VkImageMemoryRequirementsInfo2 memReqInfo = { VK_STRUCTURE_TYPE_IMAGE_MEMORY_REQUIREMENTS_INFO_2 };
memReqInfo.image = m_image.image;
// 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;

VkMemoryDedicatedAllocateInfo dedMemoryAllocInfo = { VK_STRUCTURE_TYPE_MEMORY_DEDICATED_ALLOCATE_INFO };
dedMemoryAllocInfo.image = m_image.image;
m_vkd->vkGetImageMemoryRequirements2(m_vkd->device(),
&memoryRequirementInfo, &memoryRequirements.core);

VkExportMemoryAllocateInfo exportInfo = { VK_STRUCTURE_TYPE_EXPORT_MEMORY_ALLOCATE_INFO };
if (m_shared && createInfo.sharing.mode == DxvkSharedHandleMode::Export) {
exportInfo.pNext = std::exchange(dedMemoryAllocInfo.pNext, &exportInfo);
exportInfo.handleTypes = createInfo.sharing.type;
// Fill in desired memory properties
DxvkMemoryProperties memoryProperties = { };
memoryProperties.flags = m_memFlags;

if (m_shared) {
memoryRequirements.dedicated.prefersDedicatedAllocation = VK_TRUE;
memoryRequirements.dedicated.requiresDedicatedAllocation = VK_TRUE;

if (createInfo.sharing.mode == DxvkSharedHandleMode::Export) {
memoryProperties.sharedExport = { VK_STRUCTURE_TYPE_EXPORT_MEMORY_ALLOCATE_INFO };
memoryProperties.sharedExport.handleTypes = createInfo.sharing.type;
}

if (createInfo.sharing.mode == DxvkSharedHandleMode::Import) {
memoryProperties.sharedImportWin32 = { VK_STRUCTURE_TYPE_IMPORT_MEMORY_WIN32_HANDLE_INFO_KHR };
memoryProperties.sharedImportWin32.handleType = createInfo.sharing.type;
memoryProperties.sharedImportWin32.handle = createInfo.sharing.handle;
}
}

#ifdef _WIN32
VkImportMemoryWin32HandleInfoKHR importInfo = { VK_STRUCTURE_TYPE_IMPORT_MEMORY_WIN32_HANDLE_INFO_KHR };
if (m_shared && createInfo.sharing.mode == DxvkSharedHandleMode::Import) {
importInfo.pNext = std::exchange(dedMemoryAllocInfo.pNext, &importInfo);
importInfo.handleType = createInfo.sharing.type;
importInfo.handle = createInfo.sharing.handle;
if (memoryRequirements.dedicated.prefersDedicatedAllocation) {
memoryProperties.dedicated = { VK_STRUCTURE_TYPE_MEMORY_DEDICATED_ALLOCATE_INFO };
memoryProperties.dedicated.image = m_image.image;
}
#endif

m_vkd->vkGetImageMemoryRequirements2(
m_vkd->device(), &memReqInfo, &memReq);
// If there's a chance we won't create the image with a dedicated
// allocation, enforce strict alignment for tiled images to not
// violate the bufferImageGranularity requirement on some GPUs.
if (info.tiling != VK_IMAGE_TILING_LINEAR && !memoryRequirements.dedicated.requiresDedicatedAllocation) {
VkDeviceiSize granularity = memAlloc.bufferImageGranularity();

if (info.tiling != VK_IMAGE_TILING_LINEAR && !dedicatedRequirements.prefersDedicatedAllocation) {
memReq.memoryRequirements.size = align(memReq.memoryRequirements.size, memAlloc.bufferImageGranularity());
memReq.memoryRequirements.alignment = align(memReq.memoryRequirements.alignment , memAlloc.bufferImageGranularity());
auto& core = memoryRequirements.core.memoryRequirements;
core.size = align(core.size, granularity);
core.alignment = align(core.alignment, granularity);
}

// Use high memory priority for GPU-writable resources
Expand All @@ -110,14 +118,7 @@ namespace dxvk {
if (isGpuWritable)
hints.set(DxvkMemoryFlag::GpuWritable);

if (m_shared) {
dedicatedRequirements.prefersDedicatedAllocation = VK_TRUE;
dedicatedRequirements.requiresDedicatedAllocation = VK_TRUE;
}

// Ask driver whether we should be using a dedicated allocation
m_image.memory = memAlloc.alloc(&memReq.memoryRequirements,
dedicatedRequirements, dedMemoryAllocInfo, memFlags, hints);
m_image.memory = memAlloc.alloc(memoryRequirements, memoryProperties, hints);

// Try to bind the allocated memory slice to the image
if (m_vkd->vkBindImageMemory(m_vkd->device(), m_image.image,
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