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Use VMA_MEMORY_USAGE_AUTO_PREFER_HOST for host buffer

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This improves performance when particles are used
This commit is contained in:
Benau 2022-10-06 16:12:44 +08:00
parent 51a1396313
commit 91dea5f50d
1 changed files with 3 additions and 2 deletions
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5
lib/graphics_engine/src/ge_vulkan_dynamic_buffer.cpp
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@ -47,7 +47,7 @@ start:
VkBuffer host_buffer = VK_NULL_HANDLE;
VmaAllocation host_memory = VK_NULL_HANDLE;
VmaAllocationCreateInfo host_info = {};
host_info.usage = VMA_MEMORY_USAGE_AUTO;
host_info.usage = VMA_MEMORY_USAGE_AUTO_PREFER_HOST;
host_info.flags = VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT |
VMA_ALLOCATION_CREATE_MAPPED_BIT;
host_info.preferredFlags = VK_MEMORY_PROPERTY_HOST_COHERENT_BIT;
@ -56,6 +56,7 @@ start:
{
host_info.flags |=
VMA_ALLOCATION_CREATE_HOST_ACCESS_ALLOW_TRANSFER_INSTEAD_BIT;
host_info.usage = VMA_MEMORY_USAGE_AUTO;
}
if (!vk->createBuffer(m_size, m_usage | VK_BUFFER_USAGE_TRANSFER_SRC_BIT,
@ -94,7 +95,7 @@ void GEVulkanDynamicBuffer::initLocalBuffer(unsigned frame)
VkBuffer local_buffer = VK_NULL_HANDLE;
VmaAllocation local_memory = VK_NULL_HANDLE;
VmaAllocationCreateInfo local_info = {};
local_info.usage = VMA_MEMORY_USAGE_AUTO;
local_info.usage = VMA_MEMORY_USAGE_AUTO_PREFER_DEVICE;
VkBufferUsageFlags flags = m_usage;
if (!m_host_buffer.empty())