commit 5ba448c21aa002055aa68942f1f50fd4cdfd8033
author Greg Daniel <egdaniel@google.com> Mon Feb 26 13:30:47 2018 -0500
committer Skia Commit-Bot <skia-commit-bot@chromium.org> Mon Feb 26 20:42:18 2018 +0000
tree 73fcb325c354423da290679b23b0821a5522b85f
parent 9d57afd93e70d3bd40ed470b1de28ccc03b98208

Add cap workarounds for possible arm bugs

This disables doing copies as draws and disables instance attrib support.

Bug: skia:
Change-Id: I52c03d773974a697901ba1fc9dfa824262285568
Reviewed-on: https://skia-review.googlesource.com/110320
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Greg Daniel <egdaniel@google.com>

src/gpu/vk/GrVkCaps.cpp

diff --git a/src/gpu/vk/GrVkCaps.cpp b/src/gpu/vk/GrVkCaps.cpp
index 457b0c1..602d07b 100644
--- a/src/gpu/vk/GrVkCaps.cpp
+++ b/src/gpu/vk/GrVkCaps.cpp
@@ -102,7 +102,8 @@
         fMustSubmitCommandsBeforeCopyOp = true;
     }
 
-    if (kQualcomm_VkVendor != properties.vendorID) {
+    if (kQualcomm_VkVendor != properties.vendorID &&
+        kARM_VkVendor != properties.vendorID) {
         fSupportsCopiesAsDraws = true;
     }
 
@@ -110,6 +111,10 @@
         fCrossContextTextureSupport = true;
     }
 
+    if (kARM_VkVendor == properties.vendorID) {
+        fInstanceAttribSupport = false;
+    }
+
 #if defined(SK_BUILD_FOR_WIN)
     if (kNvidia_VkVendor == properties.vendorID) {
         fMustSleepOnTearDown = true;