diff --git a/src/dawn_native/vulkan/DeviceVk.cpp b/src/dawn_native/vulkan/DeviceVk.cpp
index 18bc3e8..ed85121 100644
--- a/src/dawn_native/vulkan/DeviceVk.cpp
+++ b/src/dawn_native/vulkan/DeviceVk.cpp
@@ -355,6 +355,14 @@
             extensionsToRequest.push_back(kExtensionNameKhrExternalMemoryFD);
             usedKnobs.externalMemoryFD = true;
         }
+        if (mDeviceInfo.externalMemoryDmaBuf) {
+            extensionsToRequest.push_back(kExtensionNameExtExternalMemoryDmaBuf);
+            usedKnobs.externalMemoryDmaBuf = true;
+        }
+        if (mDeviceInfo.imageDrmFormatModifier) {
+            extensionsToRequest.push_back(kExtensionNameExtImageDrmFormatModifier);
+            usedKnobs.imageDrmFormatModifier = true;
+        }
         if (mDeviceInfo.externalMemoryZirconHandle) {
             extensionsToRequest.push_back(kExtensionNameFuchsiaExternalMemory);
             usedKnobs.externalMemoryZirconHandle = true;
diff --git a/src/dawn_native/vulkan/VulkanFunctions.cpp b/src/dawn_native/vulkan/VulkanFunctions.cpp
index d3bbe67..5cec83a 100644
--- a/src/dawn_native/vulkan/VulkanFunctions.cpp
+++ b/src/dawn_native/vulkan/VulkanFunctions.cpp
@@ -119,7 +119,7 @@
     }
 
     MaybeError VulkanFunctions::LoadDeviceProcs(VkDevice device,
-                                                const VulkanDeviceKnobs& usedKnobs) {
+                                                const VulkanDeviceInfo& deviceInfo) {
         GET_DEVICE_PROC(AllocateCommandBuffers);
         GET_DEVICE_PROC(AllocateDescriptorSets);
         GET_DEVICE_PROC(AllocateMemory);
@@ -240,35 +240,35 @@
         GET_DEVICE_PROC(UpdateDescriptorSets);
         GET_DEVICE_PROC(WaitForFences);
 
-        if (usedKnobs.debugMarker) {
+        if (deviceInfo.debugMarker) {
             GET_DEVICE_PROC(CmdDebugMarkerBeginEXT);
             GET_DEVICE_PROC(CmdDebugMarkerEndEXT);
             GET_DEVICE_PROC(CmdDebugMarkerInsertEXT);
         }
 
-        if (usedKnobs.externalMemoryFD) {
+        if (deviceInfo.externalMemoryFD) {
             GET_DEVICE_PROC(GetMemoryFdKHR);
             GET_DEVICE_PROC(GetMemoryFdPropertiesKHR);
         }
 
-        if (usedKnobs.externalSemaphoreFD) {
+        if (deviceInfo.externalSemaphoreFD) {
             GET_DEVICE_PROC(ImportSemaphoreFdKHR);
             GET_DEVICE_PROC(GetSemaphoreFdKHR);
         }
 
 #if VK_USE_PLATFORM_FUCHSIA
-        if (usedKnobs.externalMemoryZirconHandle) {
+        if (deviceInfo.externalMemoryZirconHandle) {
             GET_DEVICE_PROC(GetMemoryZirconHandleFUCHSIA);
             GET_DEVICE_PROC(GetMemoryZirconHandlePropertiesFUCHSIA);
         }
 
-        if (usedKnobs.externalSemaphoreZirconHandle) {
+        if (deviceInfo.externalSemaphoreZirconHandle) {
             GET_DEVICE_PROC(ImportSemaphoreZirconHandleFUCHSIA);
             GET_DEVICE_PROC(GetSemaphoreZirconHandleFUCHSIA);
         }
 #endif
 
-        if (usedKnobs.swapchain) {
+        if (deviceInfo.swapchain) {
             GET_DEVICE_PROC(CreateSwapchainKHR);
             GET_DEVICE_PROC(DestroySwapchainKHR);
             GET_DEVICE_PROC(GetSwapchainImagesKHR);
diff --git a/src/dawn_native/vulkan/VulkanFunctions.h b/src/dawn_native/vulkan/VulkanFunctions.h
index 28e4096..eb5a472 100644
--- a/src/dawn_native/vulkan/VulkanFunctions.h
+++ b/src/dawn_native/vulkan/VulkanFunctions.h
@@ -24,14 +24,14 @@
 namespace dawn_native { namespace vulkan {
 
     struct VulkanGlobalInfo;
-    struct VulkanDeviceKnobs;
+    struct VulkanDeviceInfo;
 
     // Stores the Vulkan entry points. Also loads them from the dynamic library
     // and the vkGet*ProcAddress entry points.
     struct VulkanFunctions {
         MaybeError LoadGlobalProcs(const DynamicLib& vulkanLib);
         MaybeError LoadInstanceProcs(VkInstance instance, const VulkanGlobalInfo& globalInfo);
-        MaybeError LoadDeviceProcs(VkDevice device, const VulkanDeviceKnobs& usedKnobs);
+        MaybeError LoadDeviceProcs(VkDevice device, const VulkanDeviceInfo& deviceInfo);
 
         // ---------- Global procs
 
diff --git a/src/dawn_native/vulkan/VulkanInfo.cpp b/src/dawn_native/vulkan/VulkanInfo.cpp
index 18cefb2..ecaa20e 100644
--- a/src/dawn_native/vulkan/VulkanInfo.cpp
+++ b/src/dawn_native/vulkan/VulkanInfo.cpp
@@ -59,6 +59,8 @@
     const char kExtensionNameKhrExternalMemoryCapabilities[] =
         "VK_KHR_external_memory_capabilities";
     const char kExtensionNameKhrExternalMemoryFD[] = "VK_KHR_external_memory_fd";
+    const char kExtensionNameExtExternalMemoryDmaBuf[] = "VK_EXT_external_memory_dma_buf";
+    const char kExtensionNameExtImageDrmFormatModifier[] = "VK_EXT_image_drm_format_modifier";
     const char kExtensionNameFuchsiaExternalMemory[] = "VK_FUCHSIA_external_memory";
     const char kExtensionNameKhrExternalSemaphore[] = "VK_KHR_external_semaphore";
     const char kExtensionNameKhrExternalSemaphoreCapabilities[] =
@@ -287,6 +289,12 @@
                 if (IsExtensionName(extension, kExtensionNameKhrExternalMemoryFD)) {
                     info.externalMemoryFD = true;
                 }
+                if (IsExtensionName(extension, kExtensionNameExtExternalMemoryDmaBuf)) {
+                    info.externalMemoryDmaBuf = true;
+                }
+                if (IsExtensionName(extension, kExtensionNameExtImageDrmFormatModifier)) {
+                    info.imageDrmFormatModifier = true;
+                }
                 if (IsExtensionName(extension, kExtensionNameFuchsiaExternalMemory)) {
                     info.externalMemoryZirconHandle = true;
                 }
diff --git a/src/dawn_native/vulkan/VulkanInfo.h b/src/dawn_native/vulkan/VulkanInfo.h
index 2da3466..ac64af0 100644
--- a/src/dawn_native/vulkan/VulkanInfo.h
+++ b/src/dawn_native/vulkan/VulkanInfo.h
@@ -36,6 +36,8 @@
     extern const char kExtensionNameKhrExternalMemory[];
     extern const char kExtensionNameKhrExternalMemoryCapabilities[];
     extern const char kExtensionNameKhrExternalMemoryFD[];
+    extern const char kExtensionNameExtExternalMemoryDmaBuf[];
+    extern const char kExtensionNameExtImageDrmFormatModifier[];
     extern const char kExtensionNameFuchsiaExternalMemory[];
     extern const char kExtensionNameKhrExternalSemaphore[];
     extern const char kExtensionNameKhrExternalSemaphoreCapabilities[];
@@ -88,6 +90,8 @@
         bool debugMarker = false;
         bool externalMemory = false;
         bool externalMemoryFD = false;
+        bool externalMemoryDmaBuf = false;
+        bool imageDrmFormatModifier = false;
         bool externalMemoryZirconHandle = false;
         bool externalSemaphore = false;
         bool externalSemaphoreFD = false;