commit bacbb92d8dc958c861fdfaa2c72c940e4e957675
author Brian Salomon <bsalomon@google.com> Thu Jan 21 19:48:00 2021 -0500
committer Skia Commit-Bot <skia-commit-bot@chromium.org> Fri Jan 22 14:21:01 2021 +0000
tree fce0b2e216753162f82570e23333e75f85a945b4
parent 7d5b90aeadfc570c7db4eba683ade72141da4c87

Revert "Revert "Reland "asyncRescaleAndRead supports unpremul results on GPU"""

This reverts commit 7f296c421e2c9b38f2348cf152748b0e00f3f6aa.

Bug: skia:11019
Change-Id: Ia6aa029abc0cf6a3ccd5467e67e5faa2c0239955
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/353616
Commit-Queue: Brian Salomon <bsalomon@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>

tools/gpu/BackendSurfaceFactory.cpp

diff --git a/tools/gpu/BackendSurfaceFactory.cpp b/tools/gpu/BackendSurfaceFactory.cpp
index 5fcbc82..6616be1 100644
--- a/tools/gpu/BackendSurfaceFactory.cpp
+++ b/tools/gpu/BackendSurfaceFactory.cpp
@@ -65,7 +65,7 @@
                                                 int sampleCnt,
                                                 GrProtected isProtected,
                                                 const SkSurfaceProps* props) {
-    if (ii.alphaType() == kUnpremul_SkAlphaType) {
+    if (ii.alphaType() == kUnpremul_SkAlphaType || ii.alphaType() == kUnknown_SkAlphaType) {
         return nullptr;
     }
     auto ct = SkColorTypeToGrColorType(ii.colorType());