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GPU Upload Heap & UMA. (#1421)

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* Initial work for GPU upload heap & UMA.

* Finish D3D12 Support.

* Rework the logic for the GPU Upload Heap fallback.

* Only enable UMA on Vulkan on integrated GPUs.

* Fix D3D12 fallback condition.

---------

Co-authored-by: Dario <dariosamo@gmail.com>
This commit is contained in:
Skyth (Asilkan)
2025-03-24 03:07:12 +03:00
committed by GitHub
parent 1c1dc09006
commit d15bb7a501
6 changed files with 114 additions and 37 deletions
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19
UnleashedRecomp/gpu/rhi/plume_vulkan.cpp
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@@ -808,6 +808,12 @@ namespace plume {
bufferInfo.usage |= VK_BUFFER_USAGE_TRANSFER_DST_BIT;
createInfo.flags |= VMA_ALLOCATION_CREATE_HOST_ACCESS_RANDOM_BIT;
break;
case RenderHeapType::GPU_UPLOAD:
bufferInfo.usage |= VK_BUFFER_USAGE_TRANSFER_SRC_BIT;
bufferInfo.usage |= VK_BUFFER_USAGE_TRANSFER_DST_BIT;
createInfo.flags |= VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT;
createInfo.requiredFlags |= VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT | VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT;
break;
default:
assert(false && "Unknown heap type.");
break;
@@ -833,7 +839,7 @@ namespace plume {
}
if (res != VK_SUCCESS) {
fprintf(stderr, "vkCreateBuffer failed with error code 0x%X.\n", res);
fprintf(stderr, "vmaCreateBuffer failed with error code 0x%X.\n", res);
return;
}
}
@@ -3887,6 +3893,15 @@ namespace plume {
VkDeviceSize memoryHeapSize = 0;
const VkPhysicalDeviceMemoryProperties *memoryProps = nullptr;
vmaGetMemoryProperties(allocator, &memoryProps);
constexpr VkMemoryPropertyFlags uploadHeapPropertyFlags = VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT;
bool hasHostVisibleDeviceLocalMemory = false;
for (uint32_t i = 0; i < memoryProps->memoryTypeCount; i++) {
if ((memoryProps->memoryTypes[i].propertyFlags & uploadHeapPropertyFlags) == uploadHeapPropertyFlags) {
hasHostVisibleDeviceLocalMemory = true;
}
}
for (uint32_t i = 0; i < memoryProps->memoryHeapCount; i++) {
if (memoryProps->memoryHeaps[i].flags & VK_MEMORY_HEAP_DEVICE_LOCAL_BIT) {
memoryHeapSize = std::max(memoryProps->memoryHeaps[i].size, memoryHeapSize);
@@ -3907,6 +3922,8 @@ namespace plume {
capabilities.preferHDR = memoryHeapSize > (512 * 1024 * 1024);
capabilities.triangleFan = true;
capabilities.dynamicDepthBias = true;
capabilities.uma = (description.type == RenderDeviceType::INTEGRATED) && hasHostVisibleDeviceLocalMemory;
capabilities.gpuUploadHeap = capabilities.uma;
// Fill Vulkan-only capabilities.
loadStoreOpNoneSupported = supportedOptionalExtensions.find(VK_EXT_LOAD_STORE_OP_NONE_EXTENSION_NAME) != supportedOptionalExtensions.end();