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vulkan_ffv1: fix PCM + cached symbol reader

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writeout_rgb requires that all subgroups are active.
This commit is contained in:
Lynne
2025-05-03 14:15:04 +02:00
parent f69db914ce
commit a24ea37228
1 changed files with 5 additions and 2 deletions
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7
libavcodec/vulkan/ffv1_dec.comp
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@ -56,6 +56,11 @@ int get_isymbol(inout RangeCoder c, uint state_off)
void decode_line_pcm(inout SliceContext sc, ivec2 sp, int w, int y, int p, int bits)
{
#ifdef CACHED_SYMBOL_READER
if (gl_LocalInvocationID.x > 0)
return;
#endif
#ifndef RGB
if (p > 0 && p < 3) {
w >>= chroma_shift.x;
@ -235,8 +240,6 @@ void decode_slice(inout SliceContext sc, const uint slice_idx)
/* PCM coding */
#ifndef GOLOMB
if (sc.slice_coding_mode == 1) {
if (gl_LocalInvocationID.x > 0)
return;
#ifndef RGB
for (int p = 0; p < planes; p++) {
int h = sc.slice_dim.y;