commit dde2c0356c33d488fecfb455403e1de5057914ee
author egdaniel <egdaniel@google.com> Thu May 12 11:42:00 2016 -0700
committer Commit bot <commit-bot@chromium.org> Thu May 12 11:42:00 2016 -0700
tree cde60a05207aa957af9cc4feab20905036eed7b9
parent 15332a841d7b65774bc5dbcdfeec3a954a655895

Ignore patch version when checking compatibility of vulkan layers

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1970233002

Review-Url: https://codereview.chromium.org/1970233002

src/gpu/vk/GrVkExtensions.cpp

diff --git a/src/gpu/vk/GrVkExtensions.cpp b/src/gpu/vk/GrVkExtensions.cpp
index c1ca2dd..03b4530 100644
--- a/src/gpu/vk/GrVkExtensions.cpp
+++ b/src/gpu/vk/GrVkExtensions.cpp
@@ -32,7 +32,12 @@
 
 #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 @@
         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 @@
         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 @@
         }
         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::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 @@
         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 @@
         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 @@
         }
         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);