misc: Update to Vulkan header version 20

Changes:
vulkan.h
json files
linux SO version
loader and tests to reflect API change in vkCmdUpdateBuffer
vk.xml to match Vulkan-Docs

Change-Id: I1763bca6fccf619ad8e76c0363f68fa38ad69900

19 files changed, 364 insertions, 106 deletions

diff --git a/include/vulkan/vulkan.h b/include/vulkan/vulkan.h
index 9b91e629..38affba4 100644
--- a/include/vulkan/vulkan.h
+++ b/include/vulkan/vulkan.h
@@ -43,7 +43,7 @@ extern "C" {
 #define VK_VERSION_MINOR(version) (((uint32_t)(version) >> 12) & 0x3ff)
 #define VK_VERSION_PATCH(version) ((uint32_t)(version) & 0xfff)
 // Version of this file
-#define VK_HEADER_VERSION 17
+#define VK_HEADER_VERSION 20
 
 
 #define VK_NULL_HANDLE 0
@@ -214,6 +214,9 @@ typedef enum VkStructureType {
     VK_STRUCTURE_TYPE_DEBUG_MARKER_OBJECT_NAME_INFO_EXT = 1000022000,
     VK_STRUCTURE_TYPE_DEBUG_MARKER_OBJECT_TAG_INFO_EXT = 1000022001,
     VK_STRUCTURE_TYPE_DEBUG_MARKER_MARKER_INFO_EXT = 1000022002,
+    VK_STRUCTURE_TYPE_DEDICATED_ALLOCATION_IMAGE_CREATE_INFO_NV = 1000026000,
+    VK_STRUCTURE_TYPE_DEDICATED_ALLOCATION_BUFFER_CREATE_INFO_NV = 1000026001,
+    VK_STRUCTURE_TYPE_DEDICATED_ALLOCATION_MEMORY_ALLOCATE_INFO_NV = 1000026002,
     VK_STRUCTURE_TYPE_BEGIN_RANGE = VK_STRUCTURE_TYPE_APPLICATION_INFO,
     VK_STRUCTURE_TYPE_END_RANGE = VK_STRUCTURE_TYPE_LOADER_DEVICE_CREATE_INFO,
     VK_STRUCTURE_TYPE_RANGE_SIZE = (VK_STRUCTURE_TYPE_LOADER_DEVICE_CREATE_INFO - VK_STRUCTURE_TYPE_APPLICATION_INFO + 1),
@@ -2347,7 +2350,7 @@ typedef void (VKAPI_PTR *PFN_vkCmdCopyImage)(VkCommandBuffer commandBuffer, VkIm
 typedef void (VKAPI_PTR *PFN_vkCmdBlitImage)(VkCommandBuffer commandBuffer, VkImage srcImage, VkImageLayout srcImageLayout, VkImage dstImage, VkImageLayout dstImageLayout, uint32_t regionCount, const VkImageBlit* pRegions, VkFilter filter);
 typedef void (VKAPI_PTR *PFN_vkCmdCopyBufferToImage)(VkCommandBuffer commandBuffer, VkBuffer srcBuffer, VkImage dstImage, VkImageLayout dstImageLayout, uint32_t regionCount, const VkBufferImageCopy* pRegions);
 typedef void (VKAPI_PTR *PFN_vkCmdCopyImageToBuffer)(VkCommandBuffer commandBuffer, VkImage srcImage, VkImageLayout srcImageLayout, VkBuffer dstBuffer, uint32_t regionCount, const VkBufferImageCopy* pRegions);
-typedef void (VKAPI_PTR *PFN_vkCmdUpdateBuffer)(VkCommandBuffer commandBuffer, VkBuffer dstBuffer, VkDeviceSize dstOffset, VkDeviceSize dataSize, const uint32_t* pData);
+typedef void (VKAPI_PTR *PFN_vkCmdUpdateBuffer)(VkCommandBuffer commandBuffer, VkBuffer dstBuffer, VkDeviceSize dstOffset, VkDeviceSize dataSize, const void* pData);
 typedef void (VKAPI_PTR *PFN_vkCmdFillBuffer)(VkCommandBuffer commandBuffer, VkBuffer dstBuffer, VkDeviceSize dstOffset, VkDeviceSize size, uint32_t data);
 typedef void (VKAPI_PTR *PFN_vkCmdClearColorImage)(VkCommandBuffer commandBuffer, VkImage image, VkImageLayout imageLayout, const VkClearColorValue* pColor, uint32_t rangeCount, const VkImageSubresourceRange* pRanges);
 typedef void (VKAPI_PTR *PFN_vkCmdClearDepthStencilImage)(VkCommandBuffer commandBuffer, VkImage image, VkImageLayout imageLayout, const VkClearDepthStencilValue* pDepthStencil, uint32_t rangeCount, const VkImageSubresourceRange* pRanges);
@@ -3032,7 +3035,7 @@ VKAPI_ATTR void VKAPI_CALL vkCmdUpdateBuffer(
     VkBuffer                                    dstBuffer,
     VkDeviceSize                                dstOffset,
     VkDeviceSize                                dataSize,
-    const uint32_t*                             pData);
+    const void*                                 pData);
 
 VKAPI_ATTR void VKAPI_CALL vkCmdFillBuffer(
     VkCommandBuffer                             commandBuffer,
@@ -3927,6 +3930,31 @@ VKAPI_ATTR void VKAPI_CALL vkCmdDebugMarkerInsertEXT(
 #define VK_AMD_GCN_SHADER_EXTENSION_NAME  "VK_AMD_gcn_shader"
 
 
+#define VK_NV_dedicated_allocation 1
+#define VK_NV_DEDICATED_ALLOCATION_SPEC_VERSION 1
+#define VK_NV_DEDICATED_ALLOCATION_EXTENSION_NAME "VK_NV_dedicated_allocation"
+
+typedef struct VkDedicatedAllocationImageCreateInfoNV {
+    VkStructureType    sType;
+    const void*        pNext;
+    VkBool32           dedicatedAllocation;
+} VkDedicatedAllocationImageCreateInfoNV;
+
+typedef struct VkDedicatedAllocationBufferCreateInfoNV {
+    VkStructureType    sType;
+    const void*        pNext;
+    VkBool32           dedicatedAllocation;
+} VkDedicatedAllocationBufferCreateInfoNV;
+
+typedef struct VkDedicatedAllocationMemoryAllocateInfoNV {
+    VkStructureType    sType;
+    const void*        pNext;
+    VkImage            image;
+    VkBuffer           buffer;
+} VkDedicatedAllocationMemoryAllocateInfoNV;
+
+
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/layers/linux/VkLayer_core_validation.json b/layers/linux/VkLayer_core_validation.json
index 9ed677d2..3d0a159a 100644
--- a/layers/linux/VkLayer_core_validation.json
+++ b/layers/linux/VkLayer_core_validation.json
@@ -4,7 +4,7 @@
         "name": "VK_LAYER_LUNARG_core_validation",
         "type": "GLOBAL",
         "library_path": "./libVkLayer_core_validation.so",
-        "api_version": "1.0.17",
+        "api_version": "1.0.20",
         "implementation_version": "1",
         "description": "LunarG Validation Layer",
         "instance_extensions": [
diff --git a/layers/linux/VkLayer_image.json b/layers/linux/VkLayer_image.json
index 4638d4be..aaa923a9 100644
--- a/layers/linux/VkLayer_image.json
+++ b/layers/linux/VkLayer_image.json
@@ -4,7 +4,7 @@
         "name": "VK_LAYER_LUNARG_image",
         "type": "GLOBAL",
         "library_path": "./libVkLayer_image.so",
-        "api_version": "1.0.17",
+        "api_version": "1.0.20",
         "implementation_version": "1",
         "description": "LunarG Validation Layer",
         "instance_extensions": [
diff --git a/layers/linux/VkLayer_object_tracker.json b/layers/linux/VkLayer_object_tracker.json
index 689c1659..fa6a9da8 100644
--- a/layers/linux/VkLayer_object_tracker.json
+++ b/layers/linux/VkLayer_object_tracker.json
@@ -4,7 +4,7 @@
         "name": "VK_LAYER_LUNARG_object_tracker",
         "type": "GLOBAL",
         "library_path": "./libVkLayer_object_tracker.so",
-        "api_version": "1.0.17",
+        "api_version": "1.0.20",
         "implementation_version": "1",
         "description": "LunarG Validation Layer",
         "instance_extensions": [
diff --git a/layers/linux/VkLayer_parameter_validation.json b/layers/linux/VkLayer_parameter_validation.json
index 44a67ad8..e9ec19f7 100644
--- a/layers/linux/VkLayer_parameter_validation.json
+++ b/layers/linux/VkLayer_parameter_validation.json
@@ -4,7 +4,7 @@
         "name": "VK_LAYER_LUNARG_parameter_validation",
         "type": "GLOBAL",
         "library_path": "./libVkLayer_parameter_validation.so",
-        "api_version": "1.0.17",
+        "api_version": "1.0.20",
         "implementation_version": "1",
         "description": "LunarG Validation Layer",
         "instance_extensions": [
diff --git a/layers/linux/VkLayer_swapchain.json b/layers/linux/VkLayer_swapchain.json
index a3b70a47..88492f42 100644
--- a/layers/linux/VkLayer_swapchain.json
+++ b/layers/linux/VkLayer_swapchain.json
@@ -4,7 +4,7 @@
         "name": "VK_LAYER_LUNARG_swapchain",
         "type": "GLOBAL",
         "library_path": "./libVkLayer_swapchain.so",
-        "api_version": "1.0.17",
+        "api_version": "1.0.20",
         "implementation_version": "1",
         "description": "LunarG Validation Layer",
         "instance_extensions": [
diff --git a/layers/linux/VkLayer_threading.json b/layers/linux/VkLayer_threading.json
index 2299dcc8..bfc08ef4 100644
--- a/layers/linux/VkLayer_threading.json
+++ b/layers/linux/VkLayer_threading.json
@@ -4,7 +4,7 @@
         "name": "VK_LAYER_GOOGLE_threading",
         "type": "GLOBAL",
         "library_path": "./libVkLayer_threading.so",
-        "api_version": "1.0.17",
+        "api_version": "1.0.20",
         "implementation_version": "1",
         "description": "Google Validation Layer",
         "instance_extensions": [
diff --git a/layers/linux/VkLayer_unique_objects.json b/layers/linux/VkLayer_unique_objects.json
index 3052041f..74390378 100644
--- a/layers/linux/VkLayer_unique_objects.json
+++ b/layers/linux/VkLayer_unique_objects.json
@@ -4,7 +4,7 @@
         "name": "VK_LAYER_GOOGLE_unique_objects",
         "type": "GLOBAL",
         "library_path": "./libVkLayer_unique_objects.so",
-        "api_version": "1.0.17",
+        "api_version": "1.0.20",
         "implementation_version": "1",
         "description": "Google Validation Layer"
     }
diff --git a/layers/windows/VkLayer_core_validation.json b/layers/windows/VkLayer_core_validation.json
index 95ec05de..df026869 100644
--- a/layers/windows/VkLayer_core_validation.json
+++ b/layers/windows/VkLayer_core_validation.json
@@ -4,7 +4,7 @@
         "name": "VK_LAYER_LUNARG_core_validation",
         "type": "GLOBAL",
         "library_path": ".\\VkLayer_core_validation.dll",
-        "api_version": "1.0.17",
+        "api_version": "1.0.20",
         "implementation_version": "1",
         "description": "LunarG Validation Layer",
         "instance_extensions": [
diff --git a/layers/windows/VkLayer_image.json b/layers/windows/VkLayer_image.json
index 7033a096..a9511e7e 100644
--- a/layers/windows/VkLayer_image.json
+++ b/layers/windows/VkLayer_image.json
@@ -4,7 +4,7 @@
         "name": "VK_LAYER_LUNARG_image",
         "type": "GLOBAL",
         "library_path": ".\\VkLayer_image.dll",
-        "api_version": "1.0.17",
+        "api_version": "1.0.20",
         "implementation_version": "1",
         "description": "LunarG Validation Layer",
         "instance_extensions": [
diff --git a/layers/windows/VkLayer_object_tracker.json b/layers/windows/VkLayer_object_tracker.json
index 0c289417..c5ed8b37 100644
--- a/layers/windows/VkLayer_object_tracker.json
+++ b/layers/windows/VkLayer_object_tracker.json
@@ -4,7 +4,7 @@
         "name": "VK_LAYER_LUNARG_object_tracker",
         "type": "GLOBAL",
         "library_path": ".\\VkLayer_object_tracker.dll",
-        "api_version": "1.0.17",
+        "api_version": "1.0.20",
         "implementation_version": "1",
         "description": "LunarG Validation Layer",
         "instance_extensions": [
diff --git a/layers/windows/VkLayer_parameter_validation.json b/layers/windows/VkLayer_parameter_validation.json
index c1187a3d..0955064d 100644
--- a/layers/windows/VkLayer_parameter_validation.json
+++ b/layers/windows/VkLayer_parameter_validation.json
@@ -4,7 +4,7 @@
         "name": "VK_LAYER_LUNARG_parameter_validation",
         "type": "GLOBAL",
         "library_path": ".\\VkLayer_parameter_validation.dll",
-        "api_version": "1.0.17",
+        "api_version": "1.0.20",
         "implementation_version": "1",
         "description": "LunarG Validation Layer",
         "instance_extensions": [
diff --git a/layers/windows/VkLayer_swapchain.json b/layers/windows/VkLayer_swapchain.json
index ac6e2485..5f662204 100644
--- a/layers/windows/VkLayer_swapchain.json
+++ b/layers/windows/VkLayer_swapchain.json
@@ -4,7 +4,7 @@
         "name": "VK_LAYER_LUNARG_swapchain",
         "type": "GLOBAL",
         "library_path": ".\\VkLayer_swapchain.dll",
-        "api_version": "1.0.17",
+        "api_version": "1.0.20",
         "implementation_version": "1",
         "description": "LunarG Validation Layer",
         "instance_extensions": [
diff --git a/layers/windows/VkLayer_threading.json b/layers/windows/VkLayer_threading.json
index 54b21250..c65d2501 100644
--- a/layers/windows/VkLayer_threading.json
+++ b/layers/windows/VkLayer_threading.json
@@ -4,7 +4,7 @@
         "name": "VK_LAYER_GOOGLE_threading",
         "type": "GLOBAL",
         "library_path": ".\\VkLayer_threading.dll",
-        "api_version": "1.0.17",
+        "api_version": "1.0.20",
         "implementation_version": "1",
         "description": "Google Validation Layer",
         "instance_extensions": [
diff --git a/layers/windows/VkLayer_unique_objects.json b/layers/windows/VkLayer_unique_objects.json
index f7d9bab8..ae07542f 100644
--- a/layers/windows/VkLayer_unique_objects.json
+++ b/layers/windows/VkLayer_unique_objects.json
@@ -4,7 +4,7 @@
         "name": "VK_LAYER_GOOGLE_unique_objects",
         "type": "GLOBAL",
         "library_path": ".\\VkLayer_unique_objects.dll",
-        "api_version": "1.0.17",
+        "api_version": "1.0.20",
         "implementation_version": "1",
         "description": "Google Validation Layer"
     }
diff --git a/loader/CMakeLists.txt b/loader/CMakeLists.txt
index 4c23438a..97e7e60e 100644
--- a/loader/CMakeLists.txt
+++ b/loader/CMakeLists.txt
@@ -81,6 +81,6 @@ else()
     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wpointer-arith")
 
     add_library(vulkan SHARED ${LOADER_SRCS})
-    set_target_properties(vulkan PROPERTIES SOVERSION "1" VERSION "1.0.17")
+    set_target_properties(vulkan PROPERTIES SOVERSION "1" VERSION "1.0.20")
     target_link_libraries(vulkan -ldl -lpthread -lm)
 endif()
diff --git a/loader/trampoline.c b/loader/trampoline.c
index 4e4aaf7a..367a3ed9 100644
--- a/loader/trampoline.c
+++ b/loader/trampoline.c
@@ -2028,7 +2028,7 @@ vkCmdCopyImageToBuffer(VkCommandBuffer commandBuffer, VkImage srcImage,
 LOADER_EXPORT VKAPI_ATTR void VKAPI_CALL
 vkCmdUpdateBuffer(VkCommandBuffer commandBuffer, VkBuffer dstBuffer,
                   VkDeviceSize dstOffset, VkDeviceSize dataSize,
-                  const uint32_t *pData) {
+                  const void *pData) {
     const VkLayerDispatchTable *disp;
 
     disp = loader_get_dispatch(commandBuffer);
diff --git a/vk.xml b/vk.xml
index 006b81e8..d0036772 100644
--- a/vk.xml
+++ b/vk.xml
@@ -101,7 +101,7 @@ maintained in the master branch of the Khronos Vulkan Github project.
         <type category="define">// Vulkan 1.0 version number
 #define <name>VK_API_VERSION_1_0</name> <type>VK_MAKE_VERSION</type>(1, 0, 0)</type>    <!-- The patch version here should never be set to anything other than 0 -->
         <type category="define">// Version of this file
-#define <name>VK_HEADER_VERSION</name> 13</type>
+#define <name>VK_HEADER_VERSION</name> 20</type>
 
         <type category="define">
 #define <name>VK_DEFINE_HANDLE</name>(object) typedef struct object##_T* object;</type>
@@ -131,7 +131,7 @@ maintained in the master branch of the Khronos Vulkan Github project.
         <type requires="vk_platform" name="uint64_t"/>
         <type requires="vk_platform" name="int32_t"/>
         <type requires="vk_platform" name="size_t"/>
-        <!-- Bitfield types -->
+        <!-- Bitmask types -->
         <type                                             category="bitmask">typedef <type>VkFlags</type> <name>VkFramebufferCreateFlags</name>;</type>               <!-- creation flags -->
         <type                                             category="bitmask">typedef <type>VkFlags</type> <name>VkQueryPoolCreateFlags</name>;</type>                 <!-- creation flags -->
         <type                                             category="bitmask">typedef <type>VkFlags</type> <name>VkRenderPassCreateFlags</name>;</type>                <!-- creation flags -->
@@ -178,7 +178,7 @@ maintained in the master branch of the Khronos Vulkan Github project.
         <type requires="VkCommandBufferUsageFlagBits"         category="bitmask">typedef <type>VkFlags</type> <name>VkCommandBufferUsageFlags</name>;</type>              <!-- Command buffer usage flags -->
         <type requires="VkQueryPipelineStatisticFlagBits" category="bitmask">typedef <type>VkFlags</type> <name>VkQueryPipelineStatisticFlags</name>;</type>      <!-- Pipeline statistics flags -->
         <type                                             category="bitmask">typedef <type>VkFlags</type> <name>VkMemoryMapFlags</name>;</type>                   <!-- Memory mapping flags (no bits yet) -->
-        <type requires="VkImageAspectFlagBits"            category="bitmask">typedef <type>VkFlags</type> <name>VkImageAspectFlags</name>;</type>                 <!-- Bitfield of image aspects -->
+        <type requires="VkImageAspectFlagBits"            category="bitmask">typedef <type>VkFlags</type> <name>VkImageAspectFlags</name>;</type>                 <!-- Bitmask of image aspects -->
         <type requires="VkSparseMemoryBindFlagBits"       category="bitmask">typedef <type>VkFlags</type> <name>VkSparseMemoryBindFlags</name>;</type>            <!-- Sparse memory bind flags -->
         <type requires="VkSparseImageFormatFlagBits"      category="bitmask">typedef <type>VkFlags</type> <name>VkSparseImageFormatFlags</name>;</type>           <!-- Sparse image memory requirements flags -->
         <type                                             category="bitmask">typedef <type>VkFlags</type> <name>VkSubpassDescriptionFlags</name>;</type>          <!-- Subpass description flags -->
@@ -505,9 +505,6 @@ maintained in the master branch of the Khronos Vulkan Github project.
             <member len="enabledExtensionCount,null-terminated">const <type>char</type>* const*      <name>ppEnabledExtensionNames</name></member>
             <member optional="true">const <type>VkPhysicalDeviceFeatures</type>* <name>pEnabledFeatures</name></member>
             <validity>
-                <usage>pname:ppEnabledLayerNames must: either be sname:NULL or contain the same sequence of layer names that was enabled when creating the parent instance</usage>
-                <usage>Any given element of pname:ppEnabledExtensionNames must: be the name of an extension present on the system, exactly matching a string returned in the sname:VkExtensionProperties structure by fname:vkEnumerateDeviceExtensionProperties</usage>
-                <usage>If an extension listed in pname:ppEnabledExtensionNames is provided as part of a layer, then both the layer and extension must: be enabled to enable that extension</usage>
                 <usage>The pname:queueFamilyIndex member of any given element of pname:pQueueCreateInfos must: be unique within pname:pQueueCreateInfos</usage>
             </validity>
         </type>
@@ -521,9 +518,6 @@ maintained in the master branch of the Khronos Vulkan Github project.
             <member optional="true"><type>uint32_t</type>               <name>enabledExtensionCount</name></member>
             <member len="enabledExtensionCount,null-terminated">const <type>char</type>* const*      <name>ppEnabledExtensionNames</name></member>        <!-- Extension names to be enabled -->
             <validity>
-                <usage>Any given element of pname:ppEnabledLayerNames must: be the name of a layer present on the system, exactly matching a string returned in the sname:VkLayerProperties structure by fname:vkEnumerateInstanceLayerProperties</usage>
-                <usage>Any given element of pname:ppEnabledExtensionNames must: be the name of an extension present on the system, exactly matching a string returned in the sname:VkExtensionProperties structure by fname:vkEnumerateInstanceExtensionProperties</usage>
-                <usage>If an extension listed in pname:ppEnabledExtensionNames is provided as part of a layer, then both the layer and extension must: be enabled to enable that extension</usage>
             </validity>
         </type>
         <type category="struct" name="VkQueueFamilyProperties" returnedonly="true">
@@ -540,7 +534,7 @@ maintained in the master branch of the Khronos Vulkan Github project.
         </type>
         <type category="struct" name="VkMemoryAllocateInfo">
             <member><type>VkStructureType</type>        <name>sType</name></member>                          <!-- Must be VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO -->
-            <member>const <type>void</type>*            <name>pNext</name></member>                          <!-- Pointer to next structure -->
+            <member validextensionstructs="VkDedicatedAllocationMemoryAllocateInfoNV">const <type>void</type>*            <name>pNext</name></member>                          <!-- Pointer to next structure -->
             <member><type>VkDeviceSize</type>           <name>allocationSize</name></member>                 <!-- Size of memory allocation -->
             <member><type>uint32_t</type>               <name>memoryTypeIndex</name></member>                <!-- Index of the of the memory type to allocate from -->
             <validity>
@@ -551,7 +545,7 @@ maintained in the master branch of the Khronos Vulkan Github project.
         <type category="struct" name="VkMemoryRequirements" returnedonly="true">
             <member><type>VkDeviceSize</type>           <name>size</name></member>                           <!-- Specified in bytes -->
             <member><type>VkDeviceSize</type>           <name>alignment</name></member>                      <!-- Specified in bytes -->
-            <member><type>uint32_t</type>               <name>memoryTypeBits</name></member>                 <!-- Bitfield of the allowed memory type indices into memoryTypes[] for this object -->
+            <member><type>uint32_t</type>               <name>memoryTypeBits</name></member>                 <!-- Bitmask of the allowed memory type indices into memoryTypes[] for this object -->
         </type>
         <type category="struct" name="VkSparseImageFormatProperties" returnedonly="true">
             <member optional="true"><type>VkImageAspectFlags</type>     <name>aspectMask</name></member>
@@ -610,8 +604,8 @@ maintained in the master branch of the Khronos Vulkan Github project.
             </validity>
         </type>
         <type category="struct" name="VkDescriptorImageInfo">
-            <member noautovalidity="true"><type>VkSampler</type>       <name>sampler</name></member>                        <!-- Sampler to write to the descriptor in case it's a SAMPLER or COMBINED_IMAGE_SAMPLER descriptor. Ignored otherwise. -->
-            <member noautovalidity="true"><type>VkImageView</type>     <name>imageView</name></member>                      <!-- Image view to write to the descriptor in case it's a SAMPLED_IMAGE, STORAGE_IMAGE, COMBINED_IMAGE_SAMPLER, or INPUT_ATTACHMENT descriptor. Ignored otherwise. -->
+            <member noautovalidity="true"><type>VkSampler</type>       <name>sampler</name></member>                        <!-- Sampler to write to the descriptor in case it is a SAMPLER or COMBINED_IMAGE_SAMPLER descriptor. Ignored otherwise. -->
+            <member noautovalidity="true"><type>VkImageView</type>     <name>imageView</name></member>                      <!-- Image view to write to the descriptor in case it is a SAMPLED_IMAGE, STORAGE_IMAGE, COMBINED_IMAGE_SAMPLER, or INPUT_ATTACHMENT descriptor. Ignored otherwise. -->
             <member noautovalidity="true"><type>VkImageLayout</type>   <name>imageLayout</name></member>                    <!-- Layout the image is expected to be in when accessed using this descriptor (only used if imageView is not VK_NULL_HANDLE). -->
         </type>
         <type category="struct" name="VkWriteDescriptorSet">
@@ -665,7 +659,7 @@ maintained in the master branch of the Khronos Vulkan Github project.
         </type>
         <type category="struct" name="VkBufferCreateInfo">
             <member><type>VkStructureType</type>        <name>sType</name></member>                          <!-- Must be VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO -->
-            <member>const <type>void</type>*            <name>pNext</name></member>                          <!-- Pointer to next structure. -->
+            <member validextensionstructs="VkDedicatedAllocationBufferCreateInfoNV">const <type>void</type>*            <name>pNext</name></member>                          <!-- Pointer to next structure. -->
             <member optional="true"><type>VkBufferCreateFlags</type>    <name>flags</name></member>                          <!-- Buffer creation flags -->
             <member><type>VkDeviceSize</type>           <name>size</name></member>                           <!-- Specified in bytes -->
             <member><type>VkBufferUsageFlags</type>     <name>usage</name></member>                          <!-- Buffer usage flags -->
@@ -772,7 +766,7 @@ maintained in the master branch of the Khronos Vulkan Github project.
             <member><type>VkImage</type>                <name>image</name></member>                          <!-- Image to sync -->
             <member><type>VkImageSubresourceRange</type> <name>subresourceRange</name></member>              <!-- Subresource range to sync -->
             <validity>
-                <usage>pname:oldLayout must: be ename:VK_IMAGE_LAYOUT_UNDEFINED, ename:VK_IMAGE_LAYOUT_PREINITIALIZED or the current layout of the image region affected by the barrier</usage>
+                <usage>pname:oldLayout must: be ename:VK_IMAGE_LAYOUT_UNDEFINED or the current layout of the image subresources affected by the barrier</usage>
                 <usage>pname:newLayout mustnot: be ename:VK_IMAGE_LAYOUT_UNDEFINED or ename:VK_IMAGE_LAYOUT_PREINITIALIZED</usage>
                 <usage>If pname:image was created with a sharing mode of ename:VK_SHARING_MODE_CONCURRENT, pname:srcQueueFamilyIndex and pname:dstQueueFamilyIndex must: both be ename:VK_QUEUE_FAMILY_IGNORED</usage>
                 <usage>If pname:image was created with a sharing mode of ename:VK_SHARING_MODE_EXCLUSIVE, pname:srcQueueFamilyIndex and pname:dstQueueFamilyIndex must: either both be ename:VK_QUEUE_FAMILY_IGNORED, or both be a valid queue family (see &lt;&lt;devsandqueues-queueprops&gt;&gt;)</usage>
@@ -789,7 +783,7 @@ maintained in the master branch of the Khronos Vulkan Github project.
         </type>
         <type category="struct" name="VkImageCreateInfo">
             <member><type>VkStructureType</type>        <name>sType</name></member>                          <!-- Must be VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO -->
-            <member>const <type>void</type>*            <name>pNext</name></member>                          <!-- Pointer to next structure. -->
+            <member validextensionstructs="VkDedicatedAllocationImageCreateInfoNV">const <type>void</type>*            <name>pNext</name></member>                          <!-- Pointer to next structure. -->
             <member optional="true"><type>VkImageCreateFlags</type>     <name>flags</name></member>                          <!-- Image creation flags -->
             <member><type>VkImageType</type>            <name>imageType</name></member>
             <member><type>VkFormat</type>               <name>format</name></member>
@@ -900,8 +894,8 @@ maintained in the master branch of the Khronos Vulkan Github project.
             <member><type>VkDeviceSize</type>           <name>memoryOffset</name></member>                   <!-- Specified in bytes -->
             <member optional="true"><type>VkSparseMemoryBindFlags</type><name>flags</name></member>                          <!-- Reserved for future -->
             <validity>
-                <usage>If pname:memory is not sname:VK_NULL_HANDLE, pname:memory and pname:memoryOffset must: match the memory requirements of the resource, as described in section &lt;&lt;resources-association&gt;&gt;</usage>
-                <usage>If pname:memory is not sname:VK_NULL_HANDLE, pname:memory mustnot: have been created with a memory type that reports ename:VK_MEMORY_PROPERTY_LAZILY_ALLOCATED_BIT bit set</usage>
+                <usage>If pname:memory is not dlink:VK_NULL_HANDLE, pname:memory and pname:memoryOffset must: match the memory requirements of the resource, as described in section &lt;&lt;resources-association&gt;&gt;</usage>
+                <usage>If pname:memory is not dlink:VK_NULL_HANDLE, pname:memory mustnot: have been created with a memory type that reports ename:VK_MEMORY_PROPERTY_LAZILY_ALLOCATED_BIT bit set</usage>
                 <usage>pname:size must: be greater than `0`</usage>
                 <usage>pname:resourceOffset must: be less than the size of the resource</usage>
                 <usage>pname:size must: be less than or equal to the size of the resource minus pname:resourceOffset</usage>
@@ -1106,7 +1100,7 @@ maintained in the master branch of the Khronos Vulkan Github project.
         <type category="struct" name="VkDescriptorSetAllocateInfo">
             <member><type>VkStructureType</type>        <name>sType</name></member>                          <!-- Must be VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO -->
             <member>const <type>void</type>*            <name>pNext</name></member>                          <!-- Pointer to next structure -->
-            <member><type>VkDescriptorPool</type> <name>descriptorPool</name></member>
+            <member><type>VkDescriptorPool</type>       <name>descriptorPool</name></member>
             <member><type>uint32_t</type>               <name>descriptorSetCount</name></member>
             <member len="descriptorSetCount">const <type>VkDescriptorSetLayout</type>* <name>pSetLayouts</name></member>
             <validity>
@@ -1118,6 +1112,9 @@ maintained in the master branch of the Khronos Vulkan Github project.
             <member><type>uint32_t</type>               <name>constantID</name></member>                     <!-- The SpecConstant ID specified in the BIL -->
             <member><type>uint32_t</type>               <name>offset</name></member>                         <!-- Offset of the value in the data block -->
             <member><type>size_t</type>                 <name>size</name></member>                           <!-- Size in bytes of the SpecConstant -->
+            <validity>
+                <usage>For a pname:constantID specialization constant declared in a shader, pname:size must: match the byte size of the pname:constantID. If the specialization constant is of type boolean, pname:size must: be the byte size of VkBool32</usage>
+            </validity>
         </type>
         <type category="struct" name="VkSpecializationInfo">
             <member optional="true"><type>uint32_t</type>               <name>mapEntryCount</name></member>                  <!-- Number of entries in the map -->
@@ -1165,11 +1162,11 @@ maintained in the master branch of the Khronos Vulkan Github project.
             <member noautovalidity="true" optional="true"><type>VkPipeline</type>      <name>basePipelineHandle</name></member>             <!-- If VK_PIPELINE_CREATE_DERIVATIVE_BIT is set and this value is nonzero, it specifies the handle of the base pipeline this is a derivative of -->
             <member><type>int32_t</type>                <name>basePipelineIndex</name></member>              <!-- If VK_PIPELINE_CREATE_DERIVATIVE_BIT is set and this value is not -1, it specifies an index into pCreateInfos of the base pipeline this is a derivative of -->
             <validity>
-                <usage>If pname:flags contains the ename:VK_PIPELINE_CREATE_DERIVATIVE_BIT flag, and pname:basePipelineIndex is not `-1`, pname:basePipelineHandle must: be sname:VK_NULL_HANDLE</usage>
+                <usage>If pname:flags contains the ename:VK_PIPELINE_CREATE_DERIVATIVE_BIT flag, and pname:basePipelineIndex is not `-1`, pname:basePipelineHandle must: be dlink:VK_NULL_HANDLE</usage>
                 <usage>If pname:flags contains the ename:VK_PIPELINE_CREATE_DERIVATIVE_BIT flag, and pname:basePipelineIndex is not `-1`, it must: be a valid index into the calling command's pname:pCreateInfos parameter</usage>
-                <usage>If pname:flags contains the ename:VK_PIPELINE_CREATE_DERIVATIVE_BIT flag, and pname:basePipelineHandle is not sname:VK_NULL_HANDLE, pname:basePipelineIndex must: be `-1`</usage>
-                <usage>If pname:flags contains the ename:VK_PIPELINE_CREATE_DERIVATIVE_BIT flag, and pname:basePipelineHandle is not sname:VK_NULL_HANDLE, pname:basePipelineHandle must: be a valid sname:VkPipeline handle</usage>
-                <usage>If pname:flags contains the ename:VK_PIPELINE_CREATE_DERIVATIVE_BIT flag, and pname:basePipelineHandle is not sname:VK_NULL_HANDLE, it must: be a valid handle to a compute sname:VkPipeline</usage>
+                <usage>If pname:flags contains the ename:VK_PIPELINE_CREATE_DERIVATIVE_BIT flag, and pname:basePipelineHandle is not dlink:VK_NULL_HANDLE, pname:basePipelineIndex must: be `-1`</usage>
+                <usage>If pname:flags contains the ename:VK_PIPELINE_CREATE_DERIVATIVE_BIT flag, and pname:basePipelineHandle is not dlink:VK_NULL_HANDLE, pname:basePipelineHandle must: be a valid sname:VkPipeline handle</usage>
+                <usage>If pname:flags contains the ename:VK_PIPELINE_CREATE_DERIVATIVE_BIT flag, and pname:basePipelineHandle is not dlink:VK_NULL_HANDLE, it must: be a valid handle to a compute sname:VkPipeline</usage>
                 <usage>The pname:stage member of pname:stage must: be ename:VK_SHADER_STAGE_COMPUTE_BIT</usage>
                 <usage>The shader code for the entry point identified by pname:stage and the rest of the state identified by this structure must: adhere to the pipeline linking rules described in the &lt;&lt;interfaces,Shader Interfaces&gt;&gt; chapter</usage>
                 <usage>pname:layout must: be &lt;&lt;descriptorsets-pipelinelayout-consistency,consistent&gt;&gt; with all shaders specified in pname:pStages</usage>
@@ -1370,11 +1367,11 @@ maintained in the master branch of the Khronos Vulkan Github project.
             <member noautovalidity="true" optional="true"><type>VkPipeline</type>      <name>basePipelineHandle</name></member>             <!-- If VK_PIPELINE_CREATE_DERIVATIVE_BIT is set and this value is nonzero, it specifies the handle of the base pipeline this is a derivative of -->
             <member><type>int32_t</type>                <name>basePipelineIndex</name></member>              <!-- If VK_PIPELINE_CREATE_DERIVATIVE_BIT is set and this value is not -1, it specifies an index into pCreateInfos of the base pipeline this is a derivative of -->
             <validity>
-                <usage>If pname:flags contains the ename:VK_PIPELINE_CREATE_DERIVATIVE_BIT flag, and pname:basePipelineIndex is not `-1`, pname:basePipelineHandle must: be sname:VK_NULL_HANDLE</usage>
+                <usage>If pname:flags contains the ename:VK_PIPELINE_CREATE_DERIVATIVE_BIT flag, and pname:basePipelineIndex is not `-1`, pname:basePipelineHandle must: be dlink:VK_NULL_HANDLE</usage>
                 <usage>If pname:flags contains the ename:VK_PIPELINE_CREATE_DERIVATIVE_BIT flag, and pname:basePipelineIndex is not `-1`, it must: be a valid index into the calling command's pname:pCreateInfos parameter</usage>
-                <usage>If pname:flags contains the ename:VK_PIPELINE_CREATE_DERIVATIVE_BIT flag, and pname:basePipelineHandle is not sname:VK_NULL_HANDLE, pname:basePipelineIndex must: be `-1`</usage>
-                <usage>If pname:flags contains the ename:VK_PIPELINE_CREATE_DERIVATIVE_BIT flag, and pname:basePipelineHandle is not sname:VK_NULL_HANDLE, pname:basePipelineHandle must: be a valid sname:VkPipeline handle</usage>
-                <usage>If pname:flags contains the ename:VK_PIPELINE_CREATE_DERIVATIVE_BIT flag, and pname:basePipelineHandle is not sname:VK_NULL_HANDLE, it must: be a valid handle to a graphics sname:VkPipeline</usage>
+                <usage>If pname:flags contains the ename:VK_PIPELINE_CREATE_DERIVATIVE_BIT flag, and pname:basePipelineHandle is not dlink:VK_NULL_HANDLE, pname:basePipelineIndex must: be `-1`</usage>
+                <usage>If pname:flags contains the ename:VK_PIPELINE_CREATE_DERIVATIVE_BIT flag, and pname:basePipelineHandle is not dlink:VK_NULL_HANDLE, pname:basePipelineHandle must: be a valid sname:VkPipeline handle</usage>
+                <usage>If pname:flags contains the ename:VK_PIPELINE_CREATE_DERIVATIVE_BIT flag, and pname:basePipelineHandle is not dlink:VK_NULL_HANDLE, it must: be a valid handle to a graphics sname:VkPipeline</usage>
                 <usage>The pname:stage member of each element of pname:pStages must: be unique</usage>
                 <usage>The pname:stage member of one element of pname:pStages must: be ename:VK_SHADER_STAGE_VERTEX_BIT</usage>
                 <usage>The pname:stage member of any given element of pname:pStages mustnot: be ename:VK_SHADER_STAGE_COMPUTE_BIT</usage>
@@ -1386,7 +1383,7 @@ maintained in the master branch of the Khronos Vulkan Github project.
                 <usage>If pname:pStages includes both a tessellation control shader stage and a tessellation evaluation shader stage, the shader code of at least one must: contain an code:OpExecutionMode instruction that specifies the output patch size in the pipeline</usage>
                 <usage>If pname:pStages includes both a tessellation control shader stage and a tessellation evaluation shader stage, and the shader code of both contain an code:OpExecutionMode instruction that specifies the out patch size in the pipeline, they must: both specify the same patch size</usage>
                 <usage>If pname:pStages includes tessellation shader stages, the pname:topology member of pname:pInputAssembly must: be ename:VK_PRIMITIVE_TOPOLOGY_PATCH_LIST</usage>
-                <usage>If pname:pStages includes a geometry shader stage, and doesn't include any tessellation shader stages, its shader code must: contain an code:OpExecutionMode instruction that specifies an input primitive type that is &lt;&lt;shaders-geometry-execution, compatible&gt;&gt; with the primitive topology specified in pname:pInputAssembly</usage>
+                <usage>If pname:pStages includes a geometry shader stage, and does not include any tessellation shader stages, its shader code must: contain an code:OpExecutionMode instruction that specifies an input primitive type that is &lt;&lt;shaders-geometry-execution, compatible&gt;&gt; with the primitive topology specified in pname:pInputAssembly</usage>
                 <usage>If pname:pStages includes a geometry shader stage, and also includes tessellation shader stages, its shader code must: contain an code:OpExecutionMode instruction that specifies an input primitive type that is &lt;&lt;shaders-geometry-execution, compatible&gt;&gt; with the primitive topology that is output by the tessellation stages</usage>
                 <usage>If pname:pStages includes a fragment shader stage and a geometry shader stage, and the fragment shader code reads from an input variable that is decorated with code:PrimitiveID, then the geometry shader code must: write to a matching output variable, decorated with code:PrimitiveID, in all execution paths</usage>
                 <usage>If pname:pStages includes a fragment shader stage, its shader code mustnot: read from any input attachment that is defined as ename:VK_ATTACHMENT_UNUSED in pname:subpass</usage>
@@ -1486,7 +1483,7 @@ maintained in the master branch of the Khronos Vulkan Github project.
         <type category="struct" name="VkCommandPoolCreateInfo">
             <member><type>VkStructureType</type>        <name>sType</name></member>                          <!-- Must be VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO -->
             <member>const <type>void</type>*            <name>pNext</name></member>                          <!-- Pointer to next structure -->
-            <member optional="true"><type>VkCommandPoolCreateFlags</type>   <name>flags</name></member>                          <!-- Command pool creation flags -->
+            <member optional="true"><type>VkCommandPoolCreateFlags</type>   <name>flags</name></member>      <!-- Command pool creation flags -->
             <member><type>uint32_t</type>               <name>queueFamilyIndex</name></member>
             <validity>
                 <usage>pname:queueFamilyIndex must: be the index of a queue family available in the calling command's pname:device parameter</usage>
@@ -1495,9 +1492,12 @@ maintained in the master branch of the Khronos Vulkan Github project.
          <type category="struct" name="VkCommandBufferAllocateInfo">
             <member><type>VkStructureType</type>        <name>sType</name></member>                          <!-- Must be VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO -->
             <member>const <type>void</type>*            <name>pNext</name></member>                          <!-- Pointer to next structure -->
-            <member><type>VkCommandPool</type>  <name>commandPool</name></member>
-            <member><type>VkCommandBufferLevel</type>       <name>level</name></member>
+            <member><type>VkCommandPool</type>          <name>commandPool</name></member>
+            <member><type>VkCommandBufferLevel</type>   <name>level</name></member>
             <member><type>uint32_t</type>               <name>commandBufferCount</name></member>
+            <validity>
+                <usage>pname:commandBufferCount must: be greater than `0`</usage>
+            </validity>
         </type>
         <type category="struct" name="VkCommandBufferInheritanceInfo">
             <member><type>VkStructureType</type>        <name>sType</name></member>                          <!-- Must be VK_STRUCTURE_TYPE_COMMAND_BUFFER_INHERITANCE_INFO -->
@@ -1522,7 +1522,7 @@ maintained in the master branch of the Khronos Vulkan Github project.
             <validity>
                 <usage>If pname:flags contains ename:VK_COMMAND_BUFFER_USAGE_RENDER_PASS_CONTINUE_BIT, the pname:renderPass member of pname:pInheritanceInfo must: be a valid sname:VkRenderPass</usage>
                 <usage>If pname:flags contains ename:VK_COMMAND_BUFFER_USAGE_RENDER_PASS_CONTINUE_BIT, the pname:subpass member of pname:pInheritanceInfo must: be a valid subpass index within the pname:renderPass member of pname:pInheritanceInfo</usage>
-                <usage>If pname:flags contains ename:VK_COMMAND_BUFFER_USAGE_RENDER_PASS_CONTINUE_BIT, the pname:framebuffer member of pname:pInheritanceInfo must: be either sname:VK_NULL_HANDLE, or a valid sname:VkFramebuffer that is compatible with the pname:renderPass member of pname:pInheritanceInfo</usage>
+                <usage>If pname:flags contains ename:VK_COMMAND_BUFFER_USAGE_RENDER_PASS_CONTINUE_BIT, the pname:framebuffer member of pname:pInheritanceInfo must: be either dlink:VK_NULL_HANDLE, or a valid sname:VkFramebuffer that is compatible with the pname:renderPass member of pname:pInheritanceInfo</usage>
             </validity>
         </type>
         <type category="struct" name="VkRenderPassBeginInfo">
@@ -1935,7 +1935,7 @@ maintained in the master branch of the Khronos Vulkan Github project.
                 <usage>Any given element of pname:pCommandBuffers mustnot: contain commands that execute a secondary command buffer, if that secondary command buffer has been recorded in another primary command buffer after it was recorded into this sname:VkCommandBuffer</usage>
                 <usage>Any given element of pname:pCommandBuffers must: have been created on a sname:VkCommandPool that was created for the same queue family that the calling command's pname:queue belongs to</usage>
                 <usage>Any given element of pname:pCommandBuffers mustnot: have been created with ename:VK_COMMAND_BUFFER_LEVEL_SECONDARY</usage>
-                <usage>Any given element of sname:VkSemaphore in pname:pWaitSemaphores must: refer to a prior signal of that sname:VkSemaphore that won't be consumed by any other wait on that semaphore</usage>
+                <usage>Any given element of sname:VkSemaphore in pname:pWaitSemaphores must: refer to a prior signal of that sname:VkSemaphore that will not be consumed by any other wait on that semaphore</usage>
                 <usage>If the &lt;&lt;features-features-geometryShader,geometry shaders&gt;&gt; feature is not enabled, any given element of pname:pWaitDstStageMask mustnot: contain ename:VK_PIPELINE_STAGE_GEOMETRY_SHADER_BIT</usage>
                 <usage>If the &lt;&lt;features-features-tessellationShader,tessellation shaders&gt;&gt; feature is not enabled, any given element of pname:pWaitDstStageMask mustnot: contain ename:VK_PIPELINE_STAGE_TESSELLATION_CONTROL_SHADER_BIT or ename:VK_PIPELINE_STAGE_TESSELLATION_EVALUATION_SHADER_BIT</usage>
             </validity>
@@ -2120,7 +2120,7 @@ maintained in the master branch of the Khronos Vulkan Github project.
             <member optional="true" len="swapchainCount"><type>VkResult</type>* <name>pResults</name></member>   <!-- Optional (i.e. if non-NULL) VkResult for each swapchain -->
             <validity>
                 <usage>Any given element of pname:pImageIndices must: be the index of a presentable image acquired from the swapchain specified by the corresponding element of the pname:pSwapchains array</usage>
-                <usage>Any given element of sname:VkSemaphore in pname:pWaitSemaphores must: refer to a prior signal of that sname:VkSemaphore that won't be consumed by any other wait on that semaphore</usage>
+                <usage>Any given element of sname:VkSemaphore in pname:pWaitSemaphores must: refer to a prior signal of that sname:VkSemaphore that will not be consumed by any other wait on that semaphore</usage>
             </validity>
         </type>
         <type category="struct" name="VkDebugReportCallbackCreateInfoEXT">
@@ -2157,6 +2157,35 @@ maintained in the master branch of the Khronos Vulkan Github project.
             <member len="null-terminated">const <type>char</type>* <name>pMarkerName</name></member>             <!-- Name of the debug marker -->
             <member optional="true"><type>float</type>            <name>color</name>[4]</member>                 <!-- Optional color for debug marker -->
         </type>
+        <type category="struct" name="VkDedicatedAllocationImageCreateInfoNV">
+            <member><type>VkStructureType</type>                  <name>sType</name></member>                    <!-- Must be VK_STRUCTURE_TYPE_DEDICATED_ALLOCATION_IMAGE_CREATE_INFO_NV -->
+            <member>const <type>void</type>*                      <name>pNext</name></member>                    <!-- Pointer to next structure -->
+            <member><type>VkBool32</type>                         <name>dedicatedAllocation</name></member>      <!-- Whether this image uses a dedicated allocation -->
+            <validity>
+                <usage>If pname:dedicatedAllocation is ename:VK_TRUE, sname:VkImageCreateInfo::pname:flags mustnot: include ename:VK_IMAGE_CREATE_SPARSE_BINDING_BIT, ename:VK_IMAGE_CREATE_SPARSE_RESIDENCY_BIT, or ename:VK_IMAGE_CREATE_SPARSE_ALIASED_BIT</usage>
+            </validity>
+        </type>
+        <type category="struct" name="VkDedicatedAllocationBufferCreateInfoNV">
+            <member><type>VkStructureType</type>                  <name>sType</name></member>                    <!-- Must be VK_STRUCTURE_TYPE_DEDICATED_ALLOCATION_BUFFER_CREATE_INFO_NV -->
+            <member>const <type>void</type>*                      <name>pNext</name></member>                    <!-- Pointer to next structure -->
+            <member><type>VkBool32</type>                         <name>dedicatedAllocation</name></member>      <!-- Whether this buffer uses a dedicated allocation -->
+            <validity>
+                <usage>If pname:dedicatedAllocation is ename:VK_TRUE, sname:VkBufferCreateInfo::pname:flags mustnot: include ename:VK_BUFFER_CREATE_SPARSE_BINDING_BIT, ename:VK_BUFFER_CREATE_SPARSE_RESIDENCY_BIT, or ename:VK_BUFFER_CREATE_SPARSE_ALIASED_BIT</usage>
+            </validity>
+        </type>
+        <type category="struct" name="VkDedicatedAllocationMemoryAllocateInfoNV">
+            <member><type>VkStructureType</type>                  <name>sType</name></member>                    <!-- Must be VK_STRUCTURE_TYPE_DEDICATED_ALLOCATION_MEMORY_ALLOCATE_INFO_NV -->
+            <member>const <type>void</type>*                      <name>pNext</name></member>                    <!-- Pointer to next structure -->
+            <member optional="true"><type>VkImage</type>          <name>image</name></member>                    <!-- Image that this allocation will be bound to -->
+            <member optional="true"><type>VkBuffer</type>         <name>buffer</name></member>                   <!-- Buffer that this allocation will be bound to -->
+            <validity>
+                <usage>At least one of pname:image and pname:buffer must: be sname:VK_NULL_HANDLE</usage>
+                <usage>If pname:image is not sname:VK_NULL_HANDLE, the image must: have been created with sname:VkDedicatedAllocationImageCreateInfoNV::pname:dedicatedAllocation equal to ename:VK_TRUE</usage>
+                <usage>If pname:buffer is not sname:VK_NULL_HANDLE, the buffer must: have been created with sname:VkDedicatedAllocationBufferCreateInfoNV::pname:dedicatedAllocation equal to ename:VK_TRUE</usage>
+                <usage>If pname:image is not sname:VK_NULL_HANDLE, sname:VkMemoryAllocateInfo::pname:allocationSize must: equal the sname:VkMemoryRequirements::pname:size of the image</usage>
+                <usage>If pname:buffer is not sname:VK_NULL_HANDLE, sname:VkMemoryAllocateInfo::pname:allocationSize must: equal the sname:VkMemoryRequirements::pname:size of the buffer</usage>
+            </validity>
+        </type>
     </types>
 
     <!-- SECTION: Vulkan enumerant (token) definitions. -->
@@ -2781,13 +2810,13 @@ maintained in the master branch of the Khronos Vulkan Github project.
     <enums name="VkFormatFeatureFlagBits" type="bitmask">
         <enum bitpos="0"    name="VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT"               comment="Format can be used for sampled images (SAMPLED_IMAGE and COMBINED_IMAGE_SAMPLER descriptor types)"/>
         <enum bitpos="1"    name="VK_FORMAT_FEATURE_STORAGE_IMAGE_BIT"               comment="Format can be used for storage images (STORAGE_IMAGE descriptor type)"/>
-        <enum bitpos="2"    name="VK_FORMAT_FEATURE_STORAGE_IMAGE_ATOMIC_BIT"        comment="Format supports atomic operations in case it's used for storage images"/>
+        <enum bitpos="2"    name="VK_FORMAT_FEATURE_STORAGE_IMAGE_ATOMIC_BIT"        comment="Format supports atomic operations in case it is used for storage images"/>
         <enum bitpos="3"    name="VK_FORMAT_FEATURE_UNIFORM_TEXEL_BUFFER_BIT"        comment="Format can be used for uniform texel buffers (TBOs)"/>
         <enum bitpos="4"    name="VK_FORMAT_FEATURE_STORAGE_TEXEL_BUFFER_BIT"        comment="Format can be used for storage texel buffers (IBOs)"/>
-        <enum bitpos="5"    name="VK_FORMAT_FEATURE_STORAGE_TEXEL_BUFFER_ATOMIC_BIT" comment="Format supports atomic operations in case it's used for storage texel buffers"/>
+        <enum bitpos="5"    name="VK_FORMAT_FEATURE_STORAGE_TEXEL_BUFFER_ATOMIC_BIT" comment="Format supports atomic operations in case it is used for storage texel buffers"/>
         <enum bitpos="6"    name="VK_FORMAT_FEATURE_VERTEX_BUFFER_BIT"               comment="Format can be used for vertex buffers (VBOs)"/>
         <enum bitpos="7"    name="VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT"            comment="Format can be used for color attachment images"/>
-        <enum bitpos="8"    name="VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BLEND_BIT"      comment="Format supports blending in case it's used for color attachment images"/>
+        <enum bitpos="8"    name="VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BLEND_BIT"      comment="Format supports blending in case it is used for color attachment images"/>
         <enum bitpos="9"    name="VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT"    comment="Format can be used for depth/stencil attachment images"/>
         <enum bitpos="10"   name="VK_FORMAT_FEATURE_BLIT_SRC_BIT"                    comment="Format can be used as the source image of blits with vkCmdBlitImage"/>
         <enum bitpos="11"   name="VK_FORMAT_FEATURE_BLIT_DST_BIT"                    comment="Format can be used as the destination image of blits with vkCmdBlitImage"/>
@@ -2800,7 +2829,7 @@ maintained in the master branch of the Khronos Vulkan Github project.
         <enum bitpos="0"    name="VK_QUERY_RESULT_64_BIT"                            comment="Results of the queries are written to the destination buffer as 64-bit values"/>
         <enum bitpos="1"    name="VK_QUERY_RESULT_WAIT_BIT"                          comment="Results of the queries are waited on before proceeding with the result copy"/>
         <enum bitpos="2"    name="VK_QUERY_RESULT_WITH_AVAILABILITY_BIT"             comment="Besides the results of the query, the availability of the results is also written"/>
-        <enum bitpos="3"    name="VK_QUERY_RESULT_PARTIAL_BIT"                       comment="Copy the partial results of the query even if the final results aren't available"/>
+        <enum bitpos="3"    name="VK_QUERY_RESULT_PARTIAL_BIT"                       comment="Copy the partial results of the query even if the final results are not available"/>
     </enums>
     <enums name="VkCommandBufferUsageFlagBits" type="bitmask">
         <enum bitpos="0"    name="VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT"/>
@@ -2995,7 +3024,6 @@ maintained in the master branch of the Khronos Vulkan Github project.
             <param><type>VkDevice</type> <name>device</name></param>
             <param len="null-terminated">const <type>char</type>* <name>pName</name></param>
             <validity>
-                <usage>pname:pName must: be the name of a supported command that has a first parameter of type sname:VkDevice, sname:VkQueue or sname:VkCommandBuffer, either in the core API or an enabled extension</usage>
             </validity>
         </command>
         <command>
@@ -3003,8 +3031,8 @@ maintained in the master branch of the Khronos Vulkan Github project.
             <param optional="true"><type>VkInstance</type> <name>instance</name></param>
             <param len="null-terminated">const <type>char</type>* <name>pName</name></param>
             <validity>
-                <usage>If pname:instance is `NULL`, pname:pName must: be one of: fname:vkEnumerateInstanceExtensionProperties, fname:vkEnumerateInstanceLayerProperties or fname:vkCreateInstance</usage>
-                <usage>If pname:instance is not `NULL`, pname:pName must: be the name of a core command or a command from an enabled extension, other than: fname:vkEnumerateInstanceExtensionProperties, fname:vkEnumerateInstanceLayerProperties or fname:vkCreateInstance</usage>
+                <usage>If pname:instance is `NULL`, pname:pName must: be "vkEnumerateInstanceExtensionProperties", "vkEnumerateInstanceLayerProperties", or "vkCreateInstance"</usage>
+                <usage>If pname:instance is not `NULL`, pname:pName mustnot: be "vkEnumerateInstanceExtensionProperties", "vkEnumerateInstanceLayerProperties", or "vkCreateInstance"</usage>
             </validity>
         </command>
         <command>
@@ -3044,7 +3072,7 @@ maintained in the master branch of the Khronos Vulkan Github project.
             <param optional="true"><type>VkImageCreateFlags</type> <name>flags</name></param>
             <param><type>VkImageFormatProperties</type>* <name>pImageFormatProperties</name></param>
         </command>
-        <command successcodes="VK_SUCCESS" errorcodes="VK_ERROR_OUT_OF_HOST_MEMORY,VK_ERROR_OUT_OF_DEVICE_MEMORY,VK_ERROR_INITIALIZATION_FAILED,VK_ERROR_LAYER_NOT_PRESENT,VK_ERROR_EXTENSION_NOT_PRESENT,VK_ERROR_FEATURE_NOT_PRESENT,VK_ERROR_TOO_MANY_OBJECTS,VK_ERROR_DEVICE_LOST">
+        <command successcodes="VK_SUCCESS" errorcodes="VK_ERROR_OUT_OF_HOST_MEMORY,VK_ERROR_OUT_OF_DEVICE_MEMORY,VK_ERROR_INITIALIZATION_FAILED,VK_ERROR_EXTENSION_NOT_PRESENT,VK_ERROR_FEATURE_NOT_PRESENT,VK_ERROR_TOO_MANY_OBJECTS,VK_ERROR_DEVICE_LOST">
             <proto><type>VkResult</type> <name>vkCreateDevice</name></proto>
             <param><type>VkPhysicalDevice</type> <name>physicalDevice</name></param>
             <param>const <type>VkDeviceCreateInfo</type>* <name>pCreateInfo</name></param>
@@ -3109,8 +3137,8 @@ maintained in the master branch of the Khronos Vulkan Github project.
             <param len="submitCount" externsync="pSubmits[].pWaitSemaphores[],pSubmits[].pSignalSemaphores[]">const <type>VkSubmitInfo</type>* <name>pSubmits</name></param>
             <param optional="true" externsync="true"><type>VkFence</type> <name>fence</name></param>
             <validity>
-                <usage>If pname:fence is not sname:VK_NULL_HANDLE, pname:fence must: be unsignaled</usage>
-                <usage>If pname:fence is not sname:VK_NULL_HANDLE, pname:fence mustnot: be associated with any other queue command that has not yet completed execution on that queue</usage>
+                <usage>If pname:fence is not dlink:VK_NULL_HANDLE, pname:fence must: be unsignaled</usage>
+                <usage>If pname:fence is not dlink:VK_NULL_HANDLE, pname:fence mustnot: be associated with any other queue command that has not yet completed execution on that queue</usage>
             </validity>
         </command>
         <command successcodes="VK_SUCCESS" errorcodes="VK_ERROR_OUT_OF_HOST_MEMORY,VK_ERROR_OUT_OF_DEVICE_MEMORY,VK_ERROR_DEVICE_LOST">
@@ -3208,8 +3236,8 @@ maintained in the master branch of the Khronos Vulkan Github project.
                 <usage>If pname:buffer was created with the ename:VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT, pname:memoryOffset must: be a multiple of sname:VkPhysicalDeviceLimits::pname:minUniformBufferOffsetAlignment</usage>
                 <usage>If pname:buffer was created with the ename:VK_BUFFER_USAGE_STORAGE_BUFFER_BIT, pname:memoryOffset must: be a multiple of sname:VkPhysicalDeviceLimits::pname:minStorageBufferOffsetAlignment</usage>
                 <usage>pname:memory must: have been allocated using one of the memory types allowed in the pname:memoryTypeBits member of the sname:VkMemoryRequirements structure returned from a call to fname:vkGetBufferMemoryRequirements with pname:buffer</usage>
-                <usage>The size of pname:buffer must: be less than or equal to the size of pname:memory minus pname:memoryOffset</usage>
                 <usage>pname:memoryOffset must: be an integer multiple of the pname:alignment member of the sname:VkMemoryRequirements structure returned from a call to fname:vkGetBufferMemoryRequirements with pname:buffer</usage>
+                <usage>The pname:size member of the sname:VkMemoryRequirements structure returned from a call to fname:vkGetBufferMemoryRequirements with pname:buffer must: be less than or equal to the size of pname:memory minus pname:memoryOffset</usage>
             </validity>
         </command>
         <command>
@@ -3258,7 +3286,7 @@ maintained in the master branch of the Khronos Vulkan Github project.
                 <usage>If pname:usage includes ename:VK_IMAGE_USAGE_STORAGE_BIT, samples must: be one of the bit flags specified in sname:VkPhysicalDeviceLimits::pname:storageImageSampleCounts</usage>
             </validity>
         </command>
-        <command queues="sparse_binding" successcodes="VK_SUCCESS" errorcodes="VK_ERROR_OUT_OF_HOST_MEMORY,VK_ERROR_OUT_OF_DEVICE_MEMORY">
+        <command queues="sparse_binding" successcodes="VK_SUCCESS" errorcodes="VK_ERROR_OUT_OF_HOST_MEMORY,VK_ERROR_OUT_OF_DEVICE_MEMORY,VK_ERROR_DEVICE_LOST">
             <proto><type>VkResult</type> <name>vkQueueBindSparse</name></proto>
             <param externsync="true"><type>VkQueue</type> <name>queue</name></param>
             <param optional="true"><type>uint32_t</type> <name>bindInfoCount</name></param>
@@ -3523,7 +3551,7 @@ maintained in the master branch of the Khronos Vulkan Github project.
                 <usage>If no sname:VkAllocationCallbacks were provided when pname:pipelineCache was created, pname:pAllocator must: be `NULL`</usage>
             </validity>
         </command>
-        <command successcodes="VK_SUCCESS" errorcodes="VK_ERROR_OUT_OF_HOST_MEMORY,VK_ERROR_OUT_OF_DEVICE_MEMORY">
+        <command successcodes="VK_SUCCESS,VK_INCOMPLETE" errorcodes="VK_ERROR_OUT_OF_HOST_MEMORY,VK_ERROR_OUT_OF_DEVICE_MEMORY">
             <proto><type>VkResult</type> <name>vkGetPipelineCacheData</name></proto>
             <param><type>VkDevice</type> <name>device</name></param>
             <param><type>VkPipelineCache</type> <name>pipelineCache</name></param>
@@ -3671,7 +3699,8 @@ maintained in the master branch of the Khronos Vulkan Github project.
             <param noautovalidity="true" externsync="true" len="descriptorSetCount">const <type>VkDescriptorSet</type>* <name>pDescriptorSets</name></param>
             <validity>
                 <usage>All submitted commands that refer to any element of pname:pDescriptorSets must: have completed execution</usage>
-                <usage>pname:pDescriptorSets must: be a pointer to an array of pname:descriptorSetCount sname:VkDescriptorSet handles, each element of which must: either be a valid handle or sname:VK_NULL_HANDLE</usage>
+                <usage>pname:pDescriptorSets must: be a pointer to an array of pname:descriptorSetCount sname:VkDescriptorSet handles, each element of which must: either be a valid handle or dlink:VK_NULL_HANDLE</usage>
+                <usage>Each valid handle in pname:pDescriptorSets must: have been allocated from pname:descriptorPool</usage>
                 <usage>pname:descriptorPool must: have been created with the ename:VK_DESCRIPTOR_POOL_CREATE_FREE_DESCRIPTOR_SET_BIT flag</usage>
             </validity>
         </command>
@@ -3766,7 +3795,7 @@ maintained in the master branch of the Khronos Vulkan Github project.
             <param noautovalidity="true" externsync="true" len="commandBufferCount">const <type>VkCommandBuffer</type>* <name>pCommandBuffers</name></param>
             <validity>
                 <usage>All elements of pname:pCommandBuffers mustnot: be pending execution</usage>
-                <usage>pname:pCommandBuffers must: be a pointer to an array of pname:commandBufferCount sname:VkCommandBuffer handles, each element of which must: either be a valid handle or sname:VK_NULL_HANDLE</usage>
+                <usage>pname:pCommandBuffers must: be a pointer to an array of pname:commandBufferCount sname:VkCommandBuffer handles, each element of which must: either be a valid handle or dlink:VK_NULL_HANDLE</usage>
             </validity>
         </command>
         <command successcodes="VK_SUCCESS" errorcodes="VK_ERROR_OUT_OF_HOST_MEMORY,VK_ERROR_OUT_OF_DEVICE_MEMORY">
@@ -3787,7 +3816,7 @@ maintained in the master branch of the Khronos Vulkan Github project.
             <param externsync="true"><type>VkCommandBuffer</type> <name>commandBuffer</name></param>
             <validity>
                 <usage>pname:commandBuffer must: be in the recording state</usage>
-                <usage>fname:vkEndCommandBuffer mustnot: be called inside a render pass instance</usage>
+                <usage>If pname:commandBuffer is a primary command buffer, there mustnot: be an active render pass instance</usage>
                 <usage>All queries made &lt;&lt;queries-operation-active,active&gt;&gt; during the recording of pname:commandBuffer must: have been made inactive</usage>
             </validity>
         </command>
@@ -3820,6 +3849,7 @@ maintained in the master branch of the Khronos Vulkan Github project.
             <param><type>uint32_t</type> <name>viewportCount</name></param>
             <param len="viewportCount">const <type>VkViewport</type>* <name>pViewports</name></param>
             <validity>
+                <usage>The currently bound graphics pipeline must: have been created with the ename:VK_DYNAMIC_STATE_VIEWPORT dynamic state enabled</usage>
                 <usage>pname:firstViewport must: be less than sname:VkPhysicalDeviceLimits::pname:maxViewports</usage>
                 <usage>The sum of pname:firstViewport and pname:viewportCount must: be between `1` and sname:VkPhysicalDeviceLimits::pname:maxViewports, inclusive</usage>
             </validity>
@@ -3831,6 +3861,7 @@ maintained in the master branch of the Khronos Vulkan Github project.
             <param><type>uint32_t</type> <name>scissorCount</name></param>
             <param len="scissorCount">const <type>VkRect2D</type>* <name>pScissors</name></param>
             <validity>
+                <usage>The currently bound graphics pipeline must: have been created with the ename:VK_DYNAMIC_STATE_SCISSOR dynamic state enabled</usage>
                 <usage>pname:firstScissor must: be less than sname:VkPhysicalDeviceLimits::pname:maxViewports</usage>
                 <usage>The sum of pname:firstScissor and pname:scissorCount must: be between `1` and sname:VkPhysicalDeviceLimits::pname:maxViewports, inclusive</usage>
                 <usage>The pname:x and pname:y members of pname:offset must: be greater than or equal to `0`</usage>
@@ -3843,6 +3874,7 @@ maintained in the master branch of the Khronos Vulkan Github project.
             <param externsync="true"><type>VkCommandBuffer</type> <name>commandBuffer</name></param>
             <param><type>float</type> <name>lineWidth</name></param>
             <validity>
+                <usage>The currently bound graphics pipeline must: have been created with the ename:VK_DYNAMIC_STATE_LINE_WIDTH dynamic state enabled</usage>
                 <usage>If the &lt;&lt;features-features-wideLines,wide lines&gt;&gt; feature is not enabled, pname:lineWidth must: be `1.0`</usage>
             </validity>
         </command>
@@ -3853,6 +3885,7 @@ maintained in the master branch of the Khronos Vulkan Github project.
             <param><type>float</type> <name>depthBiasClamp</name></param>
             <param><type>float</type> <name>depthBiasSlopeFactor</name></param>
             <validity>
+                <usage>The currently bound graphics pipeline must: have been created with the ename:VK_DYNAMIC_STATE_DEPTH_BIAS dynamic state enabled</usage>
                 <usage>If the &lt;&lt;features-features-depthBiasClamp,depth bias clamping&gt;&gt; feature is not enabled, pname:depthBiasClamp must: be code:0.0</usage>
             </validity>
         </command>
@@ -3860,6 +3893,9 @@ maintained in the master branch of the Khronos Vulkan Github project.
             <proto><type>void</type> <name>vkCmdSetBlendConstants</name></proto>
             <param externsync="true"><type>VkCommandBuffer</type> <name>commandBuffer</name></param>
             <param>const <type>float</type> <name>blendConstants</name>[4]</param>
+            <validity>
+                <usage>The currently bound graphics pipeline must: have been created with the ename:VK_DYNAMIC_STATE_BLEND_CONSTANTS dynamic state enabled</usage>
+            </validity>
         </command>
         <command queues="graphics" renderpass="both" cmdbufferlevel="primary,secondary">
             <proto><type>void</type> <name>vkCmdSetDepthBounds</name></proto>
@@ -3867,6 +3903,7 @@ maintained in the master branch of the Khronos Vulkan Github project.
             <param><type>float</type> <name>minDepthBounds</name></param>
             <param><type>float</type> <name>maxDepthBounds</name></param>
             <validity>
+                <usage>The currently bound graphics pipeline must: have been created with the ename:VK_DYNAMIC_STATE_DEPTH_BOUNDS dynamic state enabled</usage>
                 <usage>pname:minDepthBounds must: be between `0.0` and `1.0`, inclusive</usage>
                 <usage>pname:maxDepthBounds must: be between `0.0` and `1.0`, inclusive</usage>
             </validity>
@@ -3876,18 +3913,27 @@ maintained in the master branch of the Khronos Vulkan Github project.
             <param externsync="true"><type>VkCommandBuffer</type> <name>commandBuffer</name></param>
             <param><type>VkStencilFaceFlags</type> <name>faceMask</name></param>
             <param><type>uint32_t</type> <name>compareMask</name></param>
+            <validity>
+                <usage>The currently bound graphics pipeline must: have been created with the ename:VK_DYNAMIC_STATE_STENCIL_COMPARE_MASK dynamic state enabled</usage>
+            </validity>
         </command>
         <command queues="graphics" renderpass="both" cmdbufferlevel="primary,secondary">
             <proto><type>void</type> <name>vkCmdSetStencilWriteMask</name></proto>
             <param externsync="true"><type>VkCommandBuffer</type> <name>commandBuffer</name></param>
             <param><type>VkStencilFaceFlags</type> <name>faceMask</name></param>
             <param><type>uint32_t</type> <name>writeMask</name></param>
+            <validity>
+                <usage>The currently bound graphics pipeline must: have been created with the ename:VK_DYNAMIC_STATE_STENCIL_WRITE_MASK dynamic state enabled</usage>
+            </validity>
         </command>
         <command queues="graphics" renderpass="both" cmdbufferlevel="primary,secondary">
             <proto><type>void</type> <name>vkCmdSetStencilReference</name></proto>
             <param externsync="true"><type>VkCommandBuffer</type> <name>commandBuffer</name></param>
             <param><type>VkStencilFaceFlags</type> <name>faceMask</name></param>
             <param><type>uint32_t</type> <name>reference</name></param>
+            <validity>
+                <usage>The currently bound graphics pipeline must: have been created with the ename:VK_DYNAMIC_STATE_STENCIL_REFERENCE dynamic state enabled</usage>
+            </validity>
         </command>
         <command queues="graphics,compute" renderpass="both" cmdbufferlevel="primary,secondary">
             <proto><type>void</type> <name>vkCmdBindDescriptorSets</name></proto>
@@ -3914,7 +3960,7 @@ maintained in the master branch of the Khronos Vulkan Github project.
             <param><type>VkIndexType</type> <name>indexType</name></param>
             <validity>
                 <usage>pname:offset must: be less than the size of pname:buffer</usage>
-                <usage>The sum of pname:offset, and the address of the range of sname:VkDeviceMemory object that's backing pname:buffer, must: be a multiple of the type indicated by pname:indexType</usage>
+                <usage>The sum of pname:offset and the address of the range of sname:VkDeviceMemory object that is backing pname:buffer, must: be a multiple of the type indicated by pname:indexType</usage>
                 <usage>pname:buffer must: have been created with the ename:VK_BUFFER_USAGE_INDEX_BUFFER_BIT flag</usage>
             </validity>
         </command>
@@ -4200,9 +4246,8 @@ maintained in the master branch of the Khronos Vulkan Github project.
             <param><type>VkBuffer</type> <name>dstBuffer</name></param>
             <param><type>VkDeviceSize</type> <name>dstOffset</name></param>
             <param><type>VkDeviceSize</type> <name>dataSize</name></param>
-            <param len="latexmath:[$dataSize \over 4$]">const <type>uint32_t</type>* <name>pData</name></param>
+            <param len="dataSize">const <type>void</type>* <name>pData</name></param>
             <validity>
-                <usage>pname:dataSize must: be greater than `0`</usage>
                 <usage>pname:dstOffset must: be less than the size of pname:dstBuffer</usage>
                 <usage>pname:dataSize must: be less than or equal to the size of pname:dstBuffer minus pname:dstOffset</usage>
                 <usage>pname:dstBuffer must: have been created with ename:VK_BUFFER_USAGE_TRANSFER_DST_BIT usage flag</usage>
@@ -4451,11 +4496,12 @@ maintained in the master branch of the Khronos Vulkan Github project.
             <param>const <type>VkRenderPassBeginInfo</type>* <name>pRenderPassBegin</name></param>
             <param><type>VkSubpassContents</type> <name>contents</name></param>
             <validity>
-                <usage>If any of the pname:initialLayout or pname:finalLayout member of the sname:VkAttachmentDescription structures or the pname:layout member of the sname:VkAttachmentReference structures specified when creating the render pass specified in the pname:renderPass member of pname:pRenderPassBegin is ename:VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL then the corresponding attachment image of the framebuffer specified in the pname:framebuffer member of pname:pRenderPassBegin must: have been created with ename:VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT set</usage>
-                <usage>If any of the pname:initialLayout or pname:finalLayout member of the sname:VkAttachmentDescription structures or the pname:layout member of the sname:VkAttachmentReference structures specified when creating the render pass specified in the pname:renderPass member of pname:pRenderPassBegin is ename:VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL or ename:VK_IMAGE_LAYOUT_DEPTH_STENCIL_READ_ONLY_OPTIMAL then the corresponding attachment image of the framebuffer specified in the pname:framebuffer member of pname:pRenderPassBegin must: have been created with ename:VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT set</usage>
-                <usage>If any of the pname:initialLayout or pname:finalLayout member of the sname:VkAttachmentDescription structures or the pname:layout member of the sname:VkAttachmentReference structures specified when creating the render pass specified in the pname:renderPass member of pname:pRenderPassBegin is ename:VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL then the corresponding attachment image of the framebuffer specified in the pname:framebuffer member of pname:pRenderPassBegin must: have been created with ename:VK_IMAGE_USAGE_SAMPLED_BIT or ename:VK_IMAGE_USAGE_INPUT_ATTACHMENT_BIT set</usage>
-                <usage>If any of the pname:initialLayout or pname:finalLayout member of the sname:VkAttachmentDescription structures or the pname:layout member of the sname:VkAttachmentReference structures specified when creating the render pass specified in the pname:renderPass member of pname:pRenderPassBegin is ename:VK_IMAGE_LAYOUT_TRANSFER_SRC_BIT then the corresponding attachment image of the framebuffer specified in the pname:framebuffer member of pname:pRenderPassBegin must: have been created with ename:VK_IMAGE_USAGE_TRANSFER_SRC_BIT set</usage>
-                <usage>If any of the pname:initialLayout or pname:finalLayout member of the sname:VkAttachmentDescription structures or the pname:layout member of the sname:VkAttachmentReference structures specified when creating the render pass specified in the pname:renderPass member of pname:pRenderPassBegin is ename:VK_IMAGE_LAYOUT_TRANSFER_DST_BIT then the corresponding attachment image of the framebuffer specified in the pname:framebuffer member of pname:pRenderPassBegin must: have been created with ename:VK_IMAGE_USAGE_TRANSFER_DST_BIT set</usage>
+                <usage>If any of the pname:initialLayout or pname:finalLayout member of the sname:VkAttachmentDescription structures or the pname:layout member of the sname:VkAttachmentReference structures specified when creating the render pass specified in the pname:renderPass member of pname:pRenderPassBegin is ename:VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL then the corresponding attachment image subresource of the framebuffer specified in the pname:framebuffer member of pname:pRenderPassBegin must: have been created with ename:VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT set</usage>
+                <usage>If any of the pname:initialLayout or pname:finalLayout member of the sname:VkAttachmentDescription structures or the pname:layout member of the sname:VkAttachmentReference structures specified when creating the render pass specified in the pname:renderPass member of pname:pRenderPassBegin is ename:VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL or ename:VK_IMAGE_LAYOUT_DEPTH_STENCIL_READ_ONLY_OPTIMAL then the corresponding attachment image subresource of the framebuffer specified in the pname:framebuffer member of pname:pRenderPassBegin must: have been created with ename:VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT set</usage>
+                <usage>If any of the pname:initialLayout or pname:finalLayout member of the sname:VkAttachmentDescription structures or the pname:layout member of the sname:VkAttachmentReference structures specified when creating the render pass specified in the pname:renderPass member of pname:pRenderPassBegin is ename:VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL then the corresponding attachment image subresource of the framebuffer specified in the pname:framebuffer member of pname:pRenderPassBegin must: have been created with ename:VK_IMAGE_USAGE_SAMPLED_BIT or ename:VK_IMAGE_USAGE_INPUT_ATTACHMENT_BIT set</usage>
+                <usage>If any of the pname:initialLayout or pname:finalLayout member of the sname:VkAttachmentDescription structures or the pname:layout member of the sname:VkAttachmentReference structures specified when creating the render pass specified in the pname:renderPass member of pname:pRenderPassBegin is ename:VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL then the corresponding attachment image subresource of the framebuffer specified in the pname:framebuffer member of pname:pRenderPassBegin must: have been created with ename:VK_IMAGE_USAGE_TRANSFER_SRC_BIT set</usage>
+                <usage>If any of the pname:initialLayout or pname:finalLayout member of the sname:VkAttachmentDescription structures or the pname:layout member of the sname:VkAttachmentReference structures specified when creating the render pass specified in the pname:renderPass member of pname:pRenderPassBegin is ename:VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL then the corresponding attachment image subresource of the framebuffer specified in the pname:framebuffer member of pname:pRenderPassBegin must: have been created with ename:VK_IMAGE_USAGE_TRANSFER_DST_BIT set</usage>
+                <usage>If any of the pname:initialLayout members of the sname:VkAttachmentDescription structures specified when creating the render pass specified in the pname:renderPass member of pname:pRenderPassBegin is not ename:VK_IMAGE_LAYOUT_UNDEFINED, then each such pname:initialLayout must: be equal to the current layout of the corresponding attachment image subresource of the framebuffer specified in the pname:framebuffer member of pname:pRenderPassBegin.</usage>
             </validity>
         </command>
         <command queues="graphics" renderpass="inside" cmdbufferlevel="primary">
@@ -4463,14 +4509,14 @@ maintained in the master branch of the Khronos Vulkan Github project.
             <param externsync="true"><type>VkCommandBuffer</type> <name>commandBuffer</name></param>
             <param><type>VkSubpassContents</type> <name>contents</name></param>
             <validity>
-              <usage>The current subpass index must: be less than the number of subpasses in the render pass minus one</usage>
+                <usage>The current subpass index must: be less than the number of subpasses in the render pass minus one</usage>
             </validity>
         </command>
         <command queues="graphics" renderpass="inside" cmdbufferlevel="primary">
             <proto><type>void</type> <name>vkCmdEndRenderPass</name></proto>
             <param externsync="true"><type>VkCommandBuffer</type> <name>commandBuffer</name></param>
             <validity>
-              <usage>The current subpass index must: be equal to the number of subpasses in the render pass minus one</usage>
+                <usage>The current subpass index must: be equal to the number of subpasses in the render pass minus one</usage>
             </validity>
         </command>
         <command queues="transfer,graphics,compute" renderpass="both" cmdbufferlevel="primary">
@@ -4486,12 +4532,12 @@ maintained in the master branch of the Khronos Vulkan Github project.
                 <usage>Any given element of pname:pCommandBuffers must: be in the executable state</usage>
                 <usage>If fname:vkCmdExecuteCommands is being called within a render pass instance, that render pass instance must: have been begun with the pname:contents parameter of fname:vkCmdBeginRenderPass set to ename:VK_SUBPASS_CONTENTS_SECONDARY_COMMAND_BUFFERS</usage>
                 <usage>If fname:vkCmdExecuteCommands is being called within a render pass instance, any given element of pname:pCommandBuffers must: have been recorded with the ename:VK_COMMAND_BUFFER_USAGE_RENDER_PASS_CONTINUE_BIT</usage>
-                <usage>If fname:vkCmdExecuteCommands is being called within a render pass instance, any given element of pname:pCommandBuffers must: have been recorded with the pname:subpass member of the pname:inheritanceInfo structure set to the index of the subpass which the given command buffer will be executed in</usage>
+                <usage>If fname:vkCmdExecuteCommands is being called within a render pass instance, any given element of pname:pCommandBuffers must: have been recorded with sname:VkCommandBufferInheritanceInfo::pname:subpass set to the index of the subpass which the given command buffer will be executed in</usage>
                 <usage>If fname:vkCmdExecuteCommands is being called within a render pass instance, any given element of pname:pCommandBuffers must: have been recorded with a render pass that is compatible with the current render pass - see &lt;&lt;renderpass-compatibility&gt;&gt;</usage>
-                <usage>If fname:vkCmdExecuteCommands is being called within a render pass instance, and any given element of pname:pCommandBuffers was recorded with the pname:framebuffer member of the sname:VkCommandBufferInheritanceInfo structure not equal to sname:VK_NULL_HANDLE, that sname:VkFramebuffer must: be compatible with the sname:VkFramebuffer used in the current render pass instance</usage>
+                <usage>If fname:vkCmdExecuteCommands is being called within a render pass instance, and any given element of pname:pCommandBuffers was recorded with sname:VkCommandBufferInheritanceInfo::pname:framebuffer not equal to dlink:VK_NULL_HANDLE, that sname:VkFramebuffer must: match the sname:VkFramebuffer used in the current render pass instance</usage>
                 <usage>If the &lt;&lt;features-features-inheritedQueries,inherited queries&gt;&gt; feature is not enabled, pname:commandBuffer mustnot: have any queries &lt;&lt;queries-operation-active,active&gt;&gt;</usage>
-                <usage>If pname:commandBuffer has a ename:VK_QUERY_TYPE_OCCLUSION query &lt;&lt;queries-operation-active,active&gt;&gt;, then each element of pname:pCommandBuffers must: have been recorded with sname:VkCommandBufferBeginInfo::pname:occlusionQueryEnable set to ename:VK_TRUE</usage>
-                <usage>If pname:commandBuffer has a ename:VK_QUERY_TYPE_OCCLUSION query &lt;&lt;queries-operation-active,active&gt;&gt;, then each element of pname:pCommandBuffers must: have been recorded with sname:VkCommandBufferBeginInfo::pname:queryFlags having all bits set that are set for the query</usage>
+                <usage>If pname:commandBuffer has a ename:VK_QUERY_TYPE_OCCLUSION query &lt;&lt;queries-operation-active,active&gt;&gt;, then each element of pname:pCommandBuffers must: have been recorded with sname:VkCommandBufferInheritanceInfo::pname:occlusionQueryEnable set to ename:VK_TRUE</usage>
+                <usage>If pname:commandBuffer has a ename:VK_QUERY_TYPE_OCCLUSION query &lt;&lt;queries-operation-active,active&gt;&gt;, then each element of pname:pCommandBuffers must: have been recorded with sname:VkCommandBufferInheritanceInfo::pname:queryFlags having all bits set that are set for the query</usage>
                 <usage>If pname:commandBuffer has a ename:VK_QUERY_TYPE_PIPELINE_STATISTICS query &lt;&lt;queries-operation-active,active&gt;&gt;, then each element of pname:pCommandBuffers must: have been recorded with sname:VkCommandBufferInheritanceInfo::pname:pipelineStatistics having all bits set that are set in the sname:VkQueryPool the query uses</usage>
                 <usage>Any given element of pname:pCommandBuffers mustnot: begin any query types that are &lt;&lt;queries-operation-active,active&gt;&gt; in pname:commandBuffer</usage>
             </validity>
@@ -4653,8 +4699,8 @@ maintained in the master branch of the Khronos Vulkan Github project.
             <param optional="true" externsync="true"><type>VkFence</type> <name>fence</name></param>
             <param><type>uint32_t</type>* <name>pImageIndex</name></param>
             <validity>
-                <usage>If pname:semaphore is not sname:VK_NULL_HANDLE it must: be unsignaled</usage>
-                <usage>If pname:fence is not sname:VK_NULL_HANDLE it must: be unsignaled and mustnot: be associated with any other queue command that has not yet completed execution on that queue</usage>
+                <usage>If pname:semaphore is not dlink:VK_NULL_HANDLE it must: be unsignaled</usage>
+                <usage>If pname:fence is not dlink:VK_NULL_HANDLE it must: be unsignaled and mustnot: be associated with any other queue command that has not yet completed execution on that queue</usage>
             </validity>
         </command>
         <command successcodes="VK_SUCCESS,VK_SUBOPTIMAL_KHR" errorcodes="VK_ERROR_OUT_OF_HOST_MEMORY,VK_ERROR_OUT_OF_DEVICE_MEMORY,VK_ERROR_DEVICE_LOST,VK_ERROR_OUT_OF_DATE_KHR,VK_ERROR_SURFACE_LOST_KHR">
@@ -4792,9 +4838,8 @@ maintained in the master branch of the Khronos Vulkan Github project.
             <proto><type>void</type> <name>vkCmdDebugMarkerEndEXT</name></proto>
             <param><type>VkCommandBuffer</type> <name>commandBuffer</name></param>
             <validity>
-              <usage>There must: be an outstanding flink:vkCmdDebugMarkerBeginEXT command prior to the fname:vkCmdDebugMarkerEndEXT on the queue that pname:commandBuffer is submitted to.</usage>
-              <usage>If the matching flink:vkCmdDebugMarkerBeginEXT command was in a secondary command buffer, the fname:vkCmdDebugMarkerEndEXT must be in the same pname:commandBuffer.</usage>
-
+                <usage>There must: be an outstanding flink:vkCmdDebugMarkerBeginEXT command prior to the fname:vkCmdDebugMarkerEndEXT on the queue that pname:commandBuffer is submitted to.</usage>
+                <usage>If the matching flink:vkCmdDebugMarkerBeginEXT command was in a secondary command buffer, the fname:vkCmdDebugMarkerEndEXT must be in the same pname:commandBuffer.</usage>
             </validity>
         </command>
         <command queues="graphics,compute" renderpass="both" cmdbufferlevel="primary,secondary">
@@ -5034,7 +5079,7 @@ maintained in the master branch of the Khronos Vulkan Github project.
         </require>
     </feature>
 
-    <!-- SECTION: Vulkan extension interface definitions (none yet) -->
+    <!-- SECTION: Vulkan extension interface definitions -->
     <extensions>
             <!-- WSI extensions -->
         <extension name="VK_KHR_surface" number="1" supported="vulkan">
@@ -5205,7 +5250,7 @@ maintained in the master branch of the Khronos Vulkan Github project.
             <require>
                 <enum value="1"                                         name="VK_KHR_SAMPLER_MIRROR_CLAMP_TO_EDGE_SPEC_VERSION"/>
                 <enum value="&quot;VK_KHR_sampler_mirror_clamp_to_edge&quot;"             name="VK_KHR_SAMPLER_MIRROR_CLAMP_TO_EDGE_EXTENSION_NAME"/>
-                <enum value="4" extends="VkSamplerAddressMode"          name="VK_SAMPLER_ADDRESS_MODE_MIRROR_CLAMP_TO_EDGE" comment="Note that this defines what was previously a core enum, and so uses the 'value' attribute rather than 'offset', and doesn't have a suffix. This is a special case, and should not be repeated"/>
+                <enum value="4" extends="VkSamplerAddressMode"          name="VK_SAMPLER_ADDRESS_MODE_MIRROR_CLAMP_TO_EDGE" comment="Note that this defines what was previously a core enum, and so uses the 'value' attribute rather than 'offset', and does not have a suffix. This is a special case, and should not be repeated"/>
             </require>
         </extension>
         <extension name="VK_IMG_filter_cubic" number="16" author="IMG" contact="Tobias Hector @tobias" supported="vulkan">
@@ -5230,16 +5275,16 @@ maintained in the master branch of the Khronos Vulkan Github project.
                 <usage struct="VkSamplerCreateInfo">If either pname:magFilter or pname:minFilter is ename:VK_FILTER_CUBIC_IMG, pname:anisotropyEnable must: be ename:VK_FALSE</usage>
             </require>
         </extension>
-        <extension name="VK_AMD_extension_1" number="17" author="AMD" contact="Daniel Rakos @aqnuep" supported="disabled">
+        <extension name="VK_AMD_extension_17" number="17" author="AMD" contact="Daniel Rakos @aqnuep" supported="disabled">
             <require>
-                <enum value="0"                                         name="VK_AMD_EXTENSION_1_SPEC_VERSION"/>
-                <enum value="&quot;VK_AMD_extension_1&quot;"            name="VK_AMD_EXTENSION_1_EXTENSION_NAME"/>
+                <enum value="0"                                         name="VK_AMD_EXTENSION_17_SPEC_VERSION"/>
+                <enum value="&quot;VK_AMD_extension_17&quot;"           name="VK_AMD_EXTENSION_17_EXTENSION_NAME"/>
             </require>
         </extension>
-        <extension name="VK_AMD_extension_2" number="18" author="AMD" contact="Daniel Rakos @aqnuep" supported="disabled">
+        <extension name="VK_AMD_extension_18" number="18" author="AMD" contact="Daniel Rakos @aqnuep" supported="disabled">
             <require>
-                <enum value="0"                                         name="VK_AMD_EXTENSION_2_SPEC_VERSION"/>
-                <enum value="&quot;VK_AMD_extension_2&quot;"            name="VK_AMD_EXTENSION_2_EXTENSION_NAME"/>
+                <enum value="0"                                         name="VK_AMD_EXTENSION_18_SPEC_VERSION"/>
+                <enum value="&quot;VK_AMD_extension_18&quot;"           name="VK_AMD_EXTENSION_18_EXTENSION_NAME"/>
             </require>
         </extension>
         <extension name="VK_AMD_rasterization_order" number="19" author="AMD" contact="Daniel Rakos @aqnuep" supported="vulkan">
@@ -5251,22 +5296,22 @@ maintained in the master branch of the Khronos Vulkan Github project.
                 <type name="VkPipelineRasterizationStateRasterizationOrderAMD"/>
             </require>
         </extension>
-        <extension name="VK_AMD_extension_4" number="20" author="AMD" contact="Daniel Rakos @aqnuep" supported="disabled">
+        <extension name="VK_AMD_extension_20" number="20" author="AMD" contact="Daniel Rakos @aqnuep" supported="disabled">
             <require>
-                <enum value="0"                                         name="VK_AMD_EXTENSION_4_SPEC_VERSION"/>
-                <enum value="&quot;VK_AMD_extension_4&quot;"            name="VK_AMD_EXTENSION_4_EXTENSION_NAME"/>
+                <enum value="0"                                         name="VK_AMD_EXTENSION_20_SPEC_VERSION"/>
+                <enum value="&quot;VK_AMD_extension_20&quot;"           name="VK_AMD_EXTENSION_20_EXTENSION_NAME"/>
             </require>
         </extension>
-        <extension name="VK_AMD_extension_5" number="21" author="AMD" contact="Daniel Rakos @aqnuep" supported="disabled">
+        <extension name="VK_AMD_shader_trinary_minmax" number="21" author="AMD" contact="quentin.lin@amd.com" supported="vulkan">
             <require>
-                <enum value="0"                                         name="VK_AMD_EXTENSION_5_SPEC_VERSION"/>
-                <enum value="&quot;VK_AMD_extension_5&quot;"            name="VK_AMD_EXTENSION_5_EXTENSION_NAME"/>
+                <enum value="1"                                         name="VK_AMD_SHADER_TRINARY_MINMAX_SPEC_VERSION"/>
+                <enum value="&quot;VK_AMD_shader_trinary_minmax&quot;"  name="VK_AMD_SHADER_TRINARY_MINMAX_EXTENSION_NAME"/>
             </require>
         </extension>
-        <extension name="VK_AMD_extension_6" number="22" author="AMD" contact="Daniel Rakos @aqnuep" supported="disabled">
+        <extension name="VK_AMD_shader_explicit_vertex_parameter" number="22" author="AMD" contact="quentin.lin@amd.com" supported="vulkan">
             <require>
-                <enum value="0"                                         name="VK_AMD_EXTENSION_6_SPEC_VERSION"/>
-                <enum value="&quot;VK_AMD_extension_6&quot;"            name="VK_AMD_EXTENSION_6_EXTENSION_NAME"/>
+                <enum value="1"                                                   name="VK_AMD_SHADER_EXPLICIT_VERTEX_PARAMETER_SPEC_VERSION"/>
+                <enum value="&quot;VK_AMD_shader_explicit_vertex_parameter&quot;" name="VK_AMD_SHADER_EXPLICIT_VERTEX_PARAMETER_EXTENSION_NAME"/>
             </require>
         </extension>
         <extension name="VK_EXT_debug_marker" number="23" author="Baldur Karlsson" contact="baldurk@baldurk.org" supported="vulkan">
@@ -5286,5 +5331,190 @@ maintained in the master branch of the Khronos Vulkan Github project.
                 <command name="vkCmdDebugMarkerInsertEXT"/>
             </require>
         </extension>
+        <extension name="VK_AMD_extension_24" number="24" author="AMD" contact="Daniel Rakos @aqnuep" supported="disabled">
+            <require>
+                <enum value="0"                                         name="VK_AMD_EXTENSION_24_SPEC_VERSION"/>
+                <enum value="&quot;VK_AMD_extension_24&quot;"           name="VK_AMD_EXTENSION_24_EXTENSION_NAME"/>
+            </require>
+        </extension>
+        <extension name="VK_AMD_extension_25" number="25" author="AMD" contact="Daniel Rakos @aqnuep" supported="disabled">
+            <require>
+                <enum value="0"                                         name="VK_AMD_EXTENSION_25_SPEC_VERSION"/>
+                <enum value="&quot;VK_AMD_extension_25&quot;"           name="VK_AMD_EXTENSION_25_EXTENSION_NAME"/>
+            </require>
+        </extension>
+        <extension name="VK_AMD_gcn_shader" number="26" author="AMD" contact="dominik.witczak@amd.com" supported="vulkan">
+            <require>
+                <enum value="1"                                        name="VK_AMD_GCN_SHADER_SPEC_VERSION"/>
+                <enum value="&quot;VK_AMD_gcn_shader&quot;"            name="VK_AMD_GCN_SHADER_EXTENSION_NAME"/>
+            </require>
+        </extension>
+        <extension name="VK_NV_dedicated_allocation" number="27" author="NVIDIA" contact="Jeff Bolz @jbolz" supported="vulkan">
+            <require>
+                <enum value="1"                                         name="VK_NV_DEDICATED_ALLOCATION_SPEC_VERSION"/>
+                <enum value="&quot;VK_NV_dedicated_allocation&quot;" name="VK_NV_DEDICATED_ALLOCATION_EXTENSION_NAME"/>
+                <enum offset="0" extends="VkStructureType"              name="VK_STRUCTURE_TYPE_DEDICATED_ALLOCATION_IMAGE_CREATE_INFO_NV"/>
+                <enum offset="1" extends="VkStructureType"              name="VK_STRUCTURE_TYPE_DEDICATED_ALLOCATION_BUFFER_CREATE_INFO_NV"/>
+                <enum offset="2" extends="VkStructureType"              name="VK_STRUCTURE_TYPE_DEDICATED_ALLOCATION_MEMORY_ALLOCATE_INFO_NV"/>
+                <type name="VkDedicatedAllocationImageCreateInfoNV"/>
+                <type name="VkDedicatedAllocationBufferCreateInfoNV"/>
+                <type name="VkDedicatedAllocationMemoryAllocateInfoNV"/>
+                <usage command="vkBindBufferMemory">If pname:buffer was created with sname:VkDedicatedAllocationBufferCreateInfoNV::pname:dedicatedAllocation equal to ename:VK_TRUE, pname:memory must: have been created with sname:VkDedicatedAllocationMemoryAllocateInfoNV::pname:buffer equal to pname:buffer and pname:memoryOffset must: be zero.</usage>
+                <usage command="vkBindBufferMemory">If pname:buffer was not created with sname:VkDedicatedAllocationBufferCreateInfoNV::pname:dedicatedAllocation equal to ename:VK_TRUE, pname:memory must: not have been allocated dedicated for a specific buffer or image</usage>
+                <usage command="vkBindImageMemory">If pname:image was created with sname:VkDedicatedAllocationImageCreateInfoNV::pname:dedicatedAllocation equal to ename:VK_TRUE, pname:memory must: have been created with sname:VkDedicatedAllocationMemoryAllocateInfoNV::pname:image equal to pname:image and pname:memoryOffset must: be zero.</usage>
+                <usage command="vkBindImageMemory">If pname:image was not created with sname:VkDedicatedAllocationImageCreateInfoNV::pname:dedicatedAllocation equal to ename:VK_TRUE, pname:memory must: not have been allocated dedicated for a specific buffer or image</usage>
+
+            </require>
+        </extension>
+        <extension name="VK_EXT_extension_28" number="28" author="NVIDIA" contact="Piers Daniell @pdaniell" supported="disabled">
+            <require>
+                <enum value="0"                                         name="VK_EXT_EXTENSION_28_SPEC_VERSION"/>
+                <enum value="&quot;VK_NV_extension_28&quot;"            name="VK_EXT_EXTENSION_28_EXTENSION_NAME"/>
+            </require>
+        </extension>
+        <extension name="VK_NVX_extension_29" number="29" author="NVIDIA" contact="Jeff Juliano @jjuliano" supported="disabled">
+            <require>
+                <enum value="0"                                         name="VK_NVX_EXTENSION_29_SPEC_VERSION"/>
+                <enum value="&quot;VK_NVX_extension_29&quot;"           name="VK_NVX_EXTENSION_29_EXTENSION_NAME"/>
+            </require>
+        </extension>
+        <extension name="VK_NVX_extension_30" number="30" author="NVIDIA" contact="Jeff Juliano @jjuliano" supported="disabled">
+            <require>
+                <enum value="0"                                         name="VK_NVX_EXTENSION_30_SPEC_VERSION"/>
+                <enum value="&quot;VK_NVX_extension_30&quot;"           name="VK_NVX_EXTENSION_30_EXTENSION_NAME"/>
+            </require>
+        </extension>
+        <extension name="VK_NVX_extension_31" number="31" author="NVIDIA" contact="Jeff Juliano @jjuliano" supported="disabled">
+            <require>
+                <enum value="0"                                         name="VK_NVX_EXTENSION_31_SPEC_VERSION"/>
+                <enum value="&quot;VK_NVX_extension_31&quot;"           name="VK_NVX_EXTENSION_31_EXTENSION_NAME"/>
+            </require>
+        </extension>
+        <extension name="VK_AMD_extension_32" number="32" author="AMD" contact="Daniel Rakos @aqnuep" supported="disabled">
+            <require>
+                <enum value="0"                                         name="VK_AMD_EXTENSION_32_SPEC_VERSION"/>
+                <enum value="&quot;VK_AMD_extension_32&quot;"           name="VK_AMD_EXTENSION_32_EXTENSION_NAME"/>
+            </require>
+        </extension>
+        <extension name="VK_AMD_extension_33" number="33" author="AMD" contact="Daniel Rakos @aqnuep" supported="disabled">
+            <require>
+                <enum value="0"                                         name="VK_AMD_EXTENSION_33_SPEC_VERSION"/>
+                <enum value="&quot;VK_AMD_extension_33&quot;"           name="VK_AMD_EXTENSION_33_EXTENSION_NAME"/>
+            </require>
+        </extension>
+        <extension name="VK_AMD_extension_34" number="34" author="AMD" contact="Daniel Rakos @aqnuep" supported="disabled">
+            <require>
+                <enum value="0"                                         name="VK_AMD_EXTENSION_34_SPEC_VERSION"/>
+                <enum value="&quot;VK_AMD_extension_34&quot;"           name="VK_AMD_EXTENSION_34_EXTENSION_NAME"/>
+            </require>
+        </extension>
+        <extension name="VK_AMD_extension_35" number="35" author="AMD" contact="Daniel Rakos @aqnuep" supported="disabled">
+            <require>
+                <enum value="0"                                         name="VK_AMD_EXTENSION_35_SPEC_VERSION"/>
+                <enum value="&quot;VK_AMD_extension_35&quot;"           name="VK_AMD_EXTENSION_35_EXTENSION_NAME"/>
+            </require>
+        </extension>
+        <extension name="VK_AMD_extension_36" number="36" author="AMD" contact="Daniel Rakos @aqnuep" supported="disabled">
+            <require>
+                <enum value="0"                                         name="VK_AMD_EXTENSION_36_SPEC_VERSION"/>
+                <enum value="&quot;VK_AMD_extension_36&quot;"           name="VK_AMD_EXTENSION_36_EXTENSION_NAME"/>
+            </require>
+        </extension>
+        <extension name="VK_AMD_extension_37" number="37" author="AMD" contact="Daniel Rakos @aqnuep" supported="disabled">
+            <require>
+                <enum value="0"                                         name="VK_AMD_EXTENSION_37_SPEC_VERSION"/>
+                <enum value="&quot;VK_AMD_extension_37&quot;"           name="VK_AMD_EXTENSION_37_EXTENSION_NAME"/>
+            </require>
+        </extension>
+        <extension name="VK_AMD_extension_38" number="38" author="AMD" contact="Daniel Rakos @aqnuep" supported="disabled">
+            <require>
+                <enum value="0"                                         name="VK_AMD_EXTENSION_38_SPEC_VERSION"/>
+                <enum value="&quot;VK_AMD_extension_38&quot;"           name="VK_AMD_EXTENSION_38_EXTENSION_NAME"/>
+            </require>
+        </extension>
+        <extension name="VK_AMD_extension_39" number="39" author="AMD" contact="Daniel Rakos @aqnuep" supported="disabled">
+            <require>
+                <enum value="0"                                         name="VK_AMD_EXTENSION_39_SPEC_VERSION"/>
+                <enum value="&quot;VK_AMD_extension_39&quot;"           name="VK_AMD_EXTENSION_39_EXTENSION_NAME"/>
+            </require>
+        </extension>
+        <extension name="VK_AMD_extension_40" number="40" author="AMD" contact="Daniel Rakos @aqnuep" supported="disabled">
+            <require>
+                <enum value="0"                                         name="VK_AMD_EXTENSION_40_SPEC_VERSION"/>
+                <enum value="&quot;VK_AMD_extension_40&quot;"           name="VK_AMD_EXTENSION_40_EXTENSION_NAME"/>
+            </require>
+        </extension>
+        <extension name="VK_AMD_extension_41" number="41" author="AMD" contact="Daniel Rakos @aqnuep" supported="disabled">
+            <require>
+                <enum value="0"                                         name="VK_AMD_EXTENSION_41_SPEC_VERSION"/>
+                <enum value="&quot;VK_AMD_extension_41&quot;"           name="VK_AMD_EXTENSION_41_EXTENSION_NAME"/>
+            </require>
+        </extension>
+        <extension name="VK_AMD_extension_42" number="42" author="AMD" contact="Daniel Rakos @aqnuep" supported="disabled">
+            <require>
+                <enum value="0"                                         name="VK_AMD_EXTENSION_42_SPEC_VERSION"/>
+                <enum value="&quot;VK_AMD_extension_42&quot;"           name="VK_AMD_EXTENSION_42_EXTENSION_NAME"/>
+            </require>
+        </extension>
+        <extension name="VK_AMD_extension_43" number="43" author="AMD" contact="Daniel Rakos @aqnuep" supported="disabled">
+            <require>
+                <enum value="0"                                         name="VK_AMD_EXTENSION_43_SPEC_VERSION"/>
+                <enum value="&quot;VK_AMD_extension_43&quot;"           name="VK_AMD_EXTENSION_43_EXTENSION_NAME"/>
+            </require>
+        </extension>
+        <extension name="VK_AMD_extension_44" number="44" author="AMD" contact="Daniel Rakos @aqnuep" supported="disabled">
+            <require>
+                <enum value="0"                                         name="VK_AMD_EXTENSION_44_SPEC_VERSION"/>
+                <enum value="&quot;VK_AMD_extension_44&quot;"           name="VK_AMD_EXTENSION_44_EXTENSION_NAME"/>
+            </require>
+        </extension>
+        <extension name="VK_AMD_extension_45" number="45" author="AMD" contact="Daniel Rakos @aqnuep" supported="disabled">
+            <require>
+                <enum value="0"                                         name="VK_AMD_EXTENSION_45_SPEC_VERSION"/>
+                <enum value="&quot;VK_AMD_extension_45&quot;"           name="VK_AMD_EXTENSION_45_EXTENSION_NAME"/>
+            </require>
+        </extension>
+        <extension name="VK_AMD_extension_46" number="46" author="AMD" contact="Daniel Rakos @aqnuep" supported="disabled">
+            <require>
+                <enum value="0"                                         name="VK_AMD_EXTENSION_46_SPEC_VERSION"/>
+                <enum value="&quot;VK_AMD_extension_46&quot;"           name="VK_AMD_EXTENSION_46_EXTENSION_NAME"/>
+            </require>
+        </extension>
+        <extension name="VK_AMD_extension_47" number="47" author="AMD" contact="Daniel Rakos @aqnuep" supported="disabled">
+            <require>
+                <enum value="0"                                         name="VK_AMD_EXTENSION_47_SPEC_VERSION"/>
+                <enum value="&quot;VK_AMD_extension_47&quot;"           name="VK_AMD_EXTENSION_47_EXTENSION_NAME"/>
+            </require>
+        </extension>
+        <extension name="VK_NVX_extension_48" number="48" author="NVIDIA" contact="James Jones @cubanismo" supported="disabled">
+            <require>
+                <enum value="0"                                         name="VK_NVX_EXTENSION_48_SPEC_VERSION"/>
+                <enum value="&quot;VK_NVX_extension_48&quot;"           name="VK_NVX_EXTENSION_48_EXTENSION_NAME"/>
+            </require>
+        </extension>
+        <extension name="VK_GOOGLE_extension_49" number="49" author="GOOGLE" contact="Jean-Francois Roy @jfroy" supported="disabled">
+            <require>
+                <enum value="0"                                         name="VK_GOOGLE_EXTENSION_49_SPEC_VERSION"/>
+                <enum value="&quot;VK_GOOGLE_extension_49&quot;"        name="VK_GOOGLE_EXTENSION_49_EXTENSION_NAME"/>
+            </require>
+        </extension>
+        <extension name="VK_GOOGLE_extension_50" number="50" author="GOOGLE" contact="Jean-Francois Roy @jfroy" supported="disabled">
+            <require>
+                <enum value="0"                                         name="VK_GOOGLE_EXTENSION_50_SPEC_VERSION"/>
+                <enum value="&quot;VK_GOOGLE_extension_50&quot;"        name="VK_GOOGLE_EXTENSION_50_EXTENSION_NAME"/>
+            </require>
+        </extension>
+        <extension name="VK_NVX_extension_51" number="51" author="NVIDIA" contact="James Jones @cubanismo" supported="disabled">
+            <require>
+                <enum value="0"                                         name="VK_NVX_EXTENSION_51_SPEC_VERSION"/>
+                <enum value="&quot;VK_NVX_extension_51&quot;"           name="VK_NVX_EXTENSION_51_EXTENSION_NAME"/>
+            </require>
+        </extension>
+        <extension name="VK_NVX_extension_52" number="52" author="NVIDIA" contact="James Jones @cubanismo" supported="disabled">
+            <require>
+                <enum value="0"                                         name="VK_NVX_EXTENSION_52_SPEC_VERSION"/>
+                <enum value="&quot;VK_NVX_extension_52&quot;"           name="VK_NVX_EXTENSION_52_EXTENSION_NAME"/>
+            </require>
+        </extension>
     </extensions>
 </registry>
diff --git a/vulkan.py b/vulkan.py
index 56c18b64..ea78e643 100644
--- a/vulkan.py
+++ b/vulkan.py
@@ -883,7 +883,7 @@ core = Extension(
              Param("VkBuffer", "dstBuffer"),
              Param("VkDeviceSize", "dstOffset"),
              Param("VkDeviceSize", "dataSize"),
-             Param("const uint32_t*", "pData")]),
+             Param("const void*", "pData")]),
 
         Proto("void", "CmdFillBuffer",
             [Param("VkCommandBuffer", "commandBuffer"),