[vk/vma] force ANV to have HOST_CACHED stream buffers (#3792)

Signed-off-by: lizzie <lizzie@eden-emu.dev>
Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/3792
Reviewed-by: MaranBr <maranbr@eden-emu.dev>
Reviewed-by: crueter <crueter@eden-emu.dev>

src/video_core/vulkan_common/vulkan_memory_allocator.cpp

@@ -256,18 +256,20 @@ namespace Vulkan {
                          device.GetDispatchLoader());
     }
 
-    vk::Buffer
-    MemoryAllocator::CreateBuffer(const VkBufferCreateInfo &ci, MemoryUsage usage) const
-    {
+    vk::Buffer MemoryAllocator::CreateBuffer(const VkBufferCreateInfo &ci, MemoryUsage usage) const {
+        // MESA will do memcpy() if not marked as host cached, so just force mark it for most buffers
+        auto const anv_flags = (usage == MemoryUsage::Stream
+            && device.GetDriverID() == VK_DRIVER_ID_INTEL_OPEN_SOURCE_MESA)
+            ? VK_MEMORY_PROPERTY_HOST_CACHED_BIT : 0;
         const VmaAllocationCreateInfo alloc_ci = {
-                .flags = VMA_ALLOCATION_CREATE_WITHIN_BUDGET_BIT | MemoryUsageVmaFlags(usage),
-                .usage = MemoryUsageVma(usage),
-                .requiredFlags = 0,
-                .preferredFlags = MemoryUsagePreferredVmaFlags(usage),
-                .memoryTypeBits = usage == MemoryUsage::Stream ? 0u : valid_memory_types,
-                .pool = VK_NULL_HANDLE,
-                .pUserData = nullptr,
-                .priority = 0.f,
+            .flags = VMA_ALLOCATION_CREATE_WITHIN_BUDGET_BIT | MemoryUsageVmaFlags(usage),
+            .usage = MemoryUsageVma(usage),
+            .requiredFlags = 0,
+            .preferredFlags = MemoryUsagePreferredVmaFlags(usage) | anv_flags,
+            .memoryTypeBits = usage == MemoryUsage::Stream ? 0u : valid_memory_types,
+            .pool = VK_NULL_HANDLE,
+            .pUserData = nullptr,
+            .priority = 0.f,
         };
 
         VkBuffer handle{};