Ignore patch version when checking compatibility of vulkan layers

src/gpu/vk/GrVkExtensions.cpp

Index: src/gpu/vk/GrVkExtensions.cpp
diff --git a/src/gpu/vk/GrVkExtensions.cpp b/src/gpu/vk/GrVkExtensions.cpp
index c1ca2dd3a21e32c4d5c537188be86de7d8e93872..03b453090fdf1ade29c7c303ee7f039ce0431546 100644
--- a/src/gpu/vk/GrVkExtensions.cpp
+++ b/src/gpu/vk/GrVkExtensions.cpp
@@ -32,7 +32,12 @@ static int find_string(const SkTArray<SkString>& strings, const char ext[]) {
 
 #define GET_PROC_LOCAL(inst, F) PFN_vk ## F F = (PFN_vk ## F) vkGetInstanceProcAddr(inst, "vk" #F)
 
+static uint32_t remove_patch_version(uint32_t specVersion) {
+    return (specVersion >> 12) << 12;
+}
+
 bool GrVkExtensions::initInstance(uint32_t specVersion) {
+    uint32_t nonPatchVersion = remove_patch_version(specVersion);
 
     GET_PROC_LOCAL(nullptr, EnumerateInstanceExtensionProperties);
     GET_PROC_LOCAL(nullptr, EnumerateInstanceLayerProperties);
@@ -57,7 +62,7 @@ bool GrVkExtensions::initInstance(uint32_t specVersion) {
         return false;
     }
     for (uint32_t i = 0; i < layerCount; ++i) {
-        if (specVersion >= layers[i].specVersion) {
+        if (nonPatchVersion >= remove_patch_version(layers[i].specVersion)) {
             fInstanceLayerStrings->push_back() = layers[i].layerName;
         }
     }
@@ -80,7 +85,7 @@ bool GrVkExtensions::initInstance(uint32_t specVersion) {
         return false;
     }
     for (uint32_t i = 0; i < extensionCount; ++i) {
-        if (specVersion >= extensions[i].specVersion) {
+        if (nonPatchVersion >= remove_patch_version(extensions[i].specVersion)) {
             fInstanceExtensionStrings->push_back() = extensions[i].extensionName;
         }
     }
@@ -107,7 +112,7 @@ bool GrVkExtensions::initInstance(uint32_t specVersion) {
         }
         for (uint32_t i = 0; i < extensionCount; ++i) {
             // if not already in the list, add it
-            if (specVersion >= extensions[i].specVersion &&
+            if (nonPatchVersion >= remove_patch_version(extensions[i].specVersion) &&
                 find_string(*fInstanceExtensionStrings, extensions[i].extensionName) < 0) {
                 fInstanceExtensionStrings->push_back() = extensions[i].extensionName;
                 SkTQSort(&fInstanceExtensionStrings->front(), &fInstanceExtensionStrings->back(),
@@ -121,6 +126,7 @@ bool GrVkExtensions::initInstance(uint32_t specVersion) {
 }
 
 bool GrVkExtensions::initDevice(uint32_t specVersion, VkInstance inst, VkPhysicalDevice physDev) {
+    uint32_t nonPatchVersion = remove_patch_version(specVersion);
 
     GET_PROC_LOCAL(inst, EnumerateDeviceExtensionProperties);
     GET_PROC_LOCAL(inst, EnumerateDeviceLayerProperties);
@@ -145,7 +151,7 @@ bool GrVkExtensions::initDevice(uint32_t specVersion, VkInstance inst, VkPhysica
         return false;
     }
     for (uint32_t i = 0; i < layerCount; ++i) {
-        if (specVersion >= layers[i].specVersion) {
+        if (nonPatchVersion >= remove_patch_version(layers[i].specVersion)) {
             fDeviceLayerStrings->push_back() = layers[i].layerName;
         }
     }
@@ -169,7 +175,7 @@ bool GrVkExtensions::initDevice(uint32_t specVersion, VkInstance inst, VkPhysica
         return false;
     }
     for (uint32_t i = 0; i < extensionCount; ++i) {
-        if (specVersion >= extensions[i].specVersion) {
+        if (nonPatchVersion >= remove_patch_version(extensions[i].specVersion)) {
             fDeviceExtensionStrings->push_back() = extensions[i].extensionName;
         }
     }
@@ -198,7 +204,7 @@ bool GrVkExtensions::initDevice(uint32_t specVersion, VkInstance inst, VkPhysica
         }
         for (uint32_t i = 0; i < extensionCount; ++i) {
             // if not already in the list, add it
-            if (specVersion >= extensions[i].specVersion &&
+            if (nonPatchVersion >= remove_patch_version(extensions[i].specVersion) &&
                 find_string(*fDeviceExtensionStrings, extensions[i].extensionName) < 0) {
                 fDeviceExtensionStrings->push_back() = extensions[i].extensionName;
                 SkTQSort(&fDeviceExtensionStrings->front(), &fDeviceExtensionStrings->back(), cmp);