commit cbdbb66d8f3f45128f4cd176b28457022551fab7
author Leon Scroggins III <scroggo@google.com> Tue Nov 30 13:59:00 2021 -0500
committer Leon Scroggins III <scroggo@google.com> Thu Dec 09 12:12:26 2021 -0500
tree 942b9e2b99058b793d405ed3dfe7ba45a2a39167
parent b0c9cf5cfc62dc53b3ed8d5b8f7cc370a78ba808

Add COLOR_MODE_A8/ColorMode::A8

Currently unused. This will allow rending into A8 with HWUI

Bug: 193170859
Test: TODO
Change-Id: Ic1e1cb94dfa3dc08cbb174f0a38345d724570372

libs/hwui/ColorMode.h

diff --git a/libs/hwui/ColorMode.h b/libs/hwui/ColorMode.h
index 6d387f9..3df5c3c 100644
--- a/libs/hwui/ColorMode.h
+++ b/libs/hwui/ColorMode.h
@@ -29,6 +29,8 @@
     Hdr = 2,
     // HDR Rec2020 + 1010102
     Hdr10 = 3,
+    // Alpha 8
+    A8 = 4,
 };
 
 } // namespace android::uirenderer

libs/hwui/pipeline/skia/SkiaPipeline.cpp

diff --git a/libs/hwui/pipeline/skia/SkiaPipeline.cpp b/libs/hwui/pipeline/skia/SkiaPipeline.cpp
index 4e7471d..bc386fe 100644
--- a/libs/hwui/pipeline/skia/SkiaPipeline.cpp
+++ b/libs/hwui/pipeline/skia/SkiaPipeline.cpp
@@ -613,6 +613,10 @@
             mSurfaceColorType = SkColorType::kRGBA_1010102_SkColorType;
             mSurfaceColorSpace = SkColorSpace::MakeRGB(GetPQSkTransferFunction(), SkNamedGamut::kRec2020);
             break;
+        case ColorMode::A8:
+            mSurfaceColorType = SkColorType::kAlpha_8_SkColorType;
+            mSurfaceColorSpace = nullptr;
+            break;
     }
 }