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anv/video: fix VP9 chroma subsampling format detection

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Fixes: 314de7af ("anv: Initial support for VP9 decoding")
Signed-off-by: Hyunjun Ko <zzoon@igalia.com>
(cherry picked from commit 2fe09217a1)

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/39003>
This commit is contained in:
Hyunjun Ko 2025-12-08 13:08:38 +01:00 • committed by Dylan Baker
parent 36f02f4d26
commit 7ee41d2337
2 changed files with 7 additions and 4 deletions
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2
.pick_status.json
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@ -34,7 +34,7 @@
"description": "anv/video: fix VP9 chroma subsampling format detection",
"nominated": true,
"nomination_type": 2,
"resolution": 0,
"resolution": 1,
"main_sha": null,
"because_sha": "314de7af063ff7f40c10df8cd022f35e5eb7fa1a",
"notes": null

9
src/intel/vulkan/genX_cmd_video.c
View file

@ -3306,11 +3306,14 @@ anv_vp9_decode_video(struct anv_cmd_buffer *cmd_buffer,
pic.Log2TileColumn = std_pic->tile_cols_log2;
pic.Log2TileRow = std_pic->tile_rows_log2;
if (std_pic->pColorConfig->subsampling_x == 1 || std_pic->pColorConfig->subsampling_y == 1) {
if (std_pic->pColorConfig->subsampling_x == 1 &&
std_pic->pColorConfig->subsampling_y == 1) {
pic.ChromaSamplingFormat = Format_420;
} else if (std_pic->pColorConfig->subsampling_x == 1 || std_pic->pColorConfig->subsampling_y == 0) {
} else if (std_pic->pColorConfig->subsampling_x == 1 &&
std_pic->pColorConfig->subsampling_y == 0) {
pic.ChromaSamplingFormat = Format_422;
} else if (std_pic->pColorConfig->subsampling_x == 0 || std_pic->pColorConfig->subsampling_y == 0) {
} else if (std_pic->pColorConfig->subsampling_x == 0 &&
std_pic->pColorConfig->subsampling_y == 0) {
pic.ChromaSamplingFormat = Format_444;
}