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Treat AHARDWAREBUFFER_FORMAT_R8_UNORM as kAlpha_8_SkAlphaType

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I4846327b29736ee811672801a683deb287342a8e added
AHARDWAREBUFFER_FORMAT_R8_UNORM. Treat it as kAlpha_8_SkAlphaType, since
we'll be using it as an alpha mask.

Bug: 193170859
Test: TODO

Change-Id: I24bebaff63bb1e98ec8a8178797ec25d2f6bc89a
This commit is contained in:
Leon Scroggins III
2021-11-30 13:16:19 -05:00
parent 21684a2576
commit b0c9cf5cfc
1 changed files with 6 additions and 0 deletions
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6
libs/hwui/utils/Color.cpp
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@@ -57,6 +57,10 @@ static inline SkImageInfo createImageInfo(int32_t width, int32_t height, int32_t
colorType = kRGBA_F16_SkColorType;
alphaType = kPremul_SkAlphaType;
break;
case AHARDWAREBUFFER_FORMAT_R8_UNORM:
colorType = kAlpha_8_SkColorType;
alphaType = kPremul_SkAlphaType;
break;
default:
ALOGV("Unsupported format: %d, return unknown by default", format);
break;
@@ -90,6 +94,8 @@ uint32_t ColorTypeToBufferFormat(SkColorType colorType) {
// Hardcoding the value from android::PixelFormat
static constexpr uint64_t kRGBA4444 = 7;
return kRGBA4444;
case kAlpha_8_SkColorType:
return AHARDWAREBUFFER_FORMAT_R8_UNORM;
default:
ALOGV("Unsupported colorType: %d, return RGBA_8888 by default", (int)colorType);
return AHARDWAREBUFFER_FORMAT_R8G8B8A8_UNORM;