From 04821d1e7d60845525e8db55c7bcd41ef5be9406 Mon Sep 17 00:00:00 2001
From: Bruce Lai <bruce.lai@sifive.com>
Date: Thu, 15 Jun 2023 04:56:58 -0700
Subject: [RVV] Enable ARGBExtractAlphaRow/ARGBCopyYToAlphaRow

* Run on SiFive internal FPGA:

TestARGBExtractAlpha(~3.2x vs scalar)
TestARGBCopyYToAlpha(~1.6x vs scalar)

Change-Id: I36525c67e8ac3f71ea9d1a58c7dc15a4009d9da1
Signed-off-by: Bruce Lai <bruce.lai@sifive.com>
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/4617955
Commit-Queue: Frank Barchard <fbarchard@chromium.org>
Reviewed-by: Frank Barchard <fbarchard@chromium.org>
---
 source/convert.cc | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'source/convert.cc')

diff --git a/source/convert.cc b/source/convert.cc
index b11ab1bf..b68fb1d3 100644
--- a/source/convert.cc
+++ b/source/convert.cc
@@ -2128,6 +2128,11 @@ int ARGBToI420Alpha(const uint8_t* src_argb,
                                                 : ARGBExtractAlphaRow_Any_LSX;
   }
 #endif
+#if defined(HAS_ARGBEXTRACTALPHAROW_RVV)
+  if (TestCpuFlag(kCpuHasRVV)) {
+    ARGBExtractAlphaRow = ARGBExtractAlphaRow_RVV;
+  }
+#endif
 
   for (y = 0; y < height - 1; y += 2) {
     ARGBToUVRow(src_argb, src_stride_argb, dst_u, dst_v, width);
-- 
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