Merge "Hint buffer creations for VulkanAllocateHostMemory" into main
diff --git a/host/vulkan/VkDecoderGlobalState.cpp b/host/vulkan/VkDecoderGlobalState.cpp
index 81fb1e1..013acb4 100644
--- a/host/vulkan/VkDecoderGlobalState.cpp
+++ b/host/vulkan/VkDecoderGlobalState.cpp
@@ -2064,6 +2064,21 @@
pCreateInfo = &localCreateInfo;
}
+ VkExternalMemoryBufferCreateInfo externalCI = {
+ VK_STRUCTURE_TYPE_EXTERNAL_MEMORY_BUFFER_CREATE_INFO};
+ if (m_emu->features.VulkanAllocateHostMemory.enabled) {
+ localCreateInfo = *pCreateInfo;
+ // Hint that we 'may' use host allocation for this buffer. This will only be used for
+ // host visible memory.
+ externalCI.handleTypes = VK_EXTERNAL_MEMORY_HANDLE_TYPE_HOST_ALLOCATION_BIT_EXT;
+
+ // Insert the new struct to the chain
+ externalCI.pNext = localCreateInfo.pNext;
+ localCreateInfo.pNext = &externalCI;
+
+ pCreateInfo = &localCreateInfo;
+ }
+
VkResult result = vk->vkCreateBuffer(device, pCreateInfo, pAllocator, pBuffer);
if (result == VK_SUCCESS) {
