Fix bufferFormat if we're falling back to 8888

Bug: 323896307
Test: atest android.graphics.cts.GainmapTest on sdk_gphone64_x86_64
Change-Id: Icb2f69239d4e8fbfc20922587e4e9e5f5d453460

1 files changed, 11 insertions, 4 deletions

diff --git a/libs/hwui/HardwareBitmapUploader.cpp b/libs/hwui/HardwareBitmapUploader.cpp
index 71f7926930fc..27ea15075682 100644
--- a/libs/hwui/HardwareBitmapUploader.cpp
+++ b/libs/hwui/HardwareBitmapUploader.cpp
@@ -378,10 +378,17 @@ static FormatInfo determineFormat(const SkBitmap& skBitmap, bool usingGL) {
             break;
         case kAlpha_8_SkColorType:
             formatInfo.isSupported = HardwareBitmapUploader::hasAlpha8Support();
-            formatInfo.bufferFormat = AHARDWAREBUFFER_FORMAT_R8_UNORM;
-            formatInfo.format = GL_RED;
-            formatInfo.type = GL_UNSIGNED_BYTE;
-            formatInfo.vkFormat = VK_FORMAT_R8_UNORM;
+            if (formatInfo.isSupported) {
+                formatInfo.bufferFormat = AHARDWAREBUFFER_FORMAT_R8_UNORM;
+                formatInfo.format = GL_RED;
+                formatInfo.type = GL_UNSIGNED_BYTE;
+                formatInfo.vkFormat = VK_FORMAT_R8_UNORM;
+            } else {
+                formatInfo.type = GL_UNSIGNED_BYTE;
+                formatInfo.bufferFormat = AHARDWAREBUFFER_FORMAT_R8G8B8A8_UNORM;
+                formatInfo.vkFormat = VK_FORMAT_R8G8B8A8_UNORM;
+                formatInfo.format = GL_RGBA;
+            }
             break;
         default:
             ALOGW("unable to create hardware bitmap of colortype: %d", skBitmap.info().colorType());