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anv: calculate global parmeters correctly for AV1 decoding

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Signed-off-by: Hyunjun Ko <zzoon@igalia.com>
Acked-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/32775>
This commit is contained in:
Hyunjun Ko
2024-03-15 13:30:19 +09:00
committed by Marge Bot
parent 8432b8b282
commit 788263501d
1 changed files with 41 additions and 1 deletions
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src/intel/vulkan/genX_cmd_video.c
+41 -1
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@@ -1267,6 +1267,11 @@ static const uint32_t av1_max_qindex = 255;
static const uint32_t av1_num_qm_levels = 16;
static const uint32_t av1_scaling_factor = (1 << 14);
static const uint32_t av1_warped_model_prec_bits = 16; /* Warp model precision bits */
static const uint32_t av1_gm_trans_prec_diff = 10; /* Warp model precision bits - gm transformation precision bits */
static const uint32_t av1_gm_trans_only_prec_diff = 13; /* Warp model precision bits - 3 */
static const uint32_t av1_gm_alpha_prec_diff = 1; /* Warp model precision bits - gm alpha precision bits */
static uint32_t
get_qindex(const VkVideoDecodeAV1PictureInfoKHR *av1_pic_info,
uint32_t segment_id)
@@ -2080,10 +2085,45 @@ anv_av1_decode_video_tile(struct anv_cmd_buffer *cmd_buffer,
pic.FrameLevelGlobalMotionInvalidFlags = 0;
uint8_t idx = 0;
int warp_params[8][6] = { 0, };
for (enum av1_ref_frame r = AV1_LAST_FRAME; r <= AV1_ALTREF_FRAME; r++) {
unsigned gm_type = std_pic_info->pGlobalMotion->GmType[r];
for (uint32_t i = 0; i < STD_VIDEO_AV1_GLOBAL_MOTION_PARAMS; i++) {
warp_params[r][i] = std_pic_info->pGlobalMotion->gm_params[r][i];
}
if (gm_type >= AV1_ROTZOOM) {
warp_params[r][2] -= (1 << av1_warped_model_prec_bits);
warp_params[r][2] >>= av1_gm_alpha_prec_diff;
warp_params[r][3] >>= av1_gm_alpha_prec_diff;
}
if (gm_type == AV1_AFFINE) {
warp_params[r][4] >>= av1_gm_alpha_prec_diff;
warp_params[r][5] -= (1 << av1_warped_model_prec_bits);
warp_params[r][5] >>= av1_gm_alpha_prec_diff;
} else {
warp_params[r][4] = -warp_params[r][3];
warp_params[r][5] = warp_params[r][2];
}
if (gm_type >= AV1_TRANSLATION) {
int trans_shift =
(gm_type == AV1_TRANSLATION) ?
av1_gm_trans_only_prec_diff + (std_pic_info->flags.allow_high_precision_mv ? 0 : 1) :
av1_gm_trans_prec_diff;
warp_params[r][0] >>= trans_shift;
warp_params[r][1] >>= trans_shift;
}
}
for (enum av1_ref_frame r = AV1_LAST_FRAME; r <= AV1_ALTREF_FRAME; r++) {
for (uint32_t i = 0; i < STD_VIDEO_AV1_GLOBAL_MOTION_PARAMS; i++)
pic.WarpParameters[idx++] = std_pic_info->pGlobalMotion->gm_params[r][i] & 0xffff;
pic.WarpParameters[idx++] = warp_params[r][i] & 0xffff;
}
pic.ReferenceFrameIdx1 = AV1_LAST_FRAME;