writeout_rgb requires that all subgroups are active.
---
libavcodec/vulkan/ffv1_dec.comp | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/libavcodec/vulkan/ffv1_dec.comp b/libavcodec/vulkan/ffv1_dec.comp
index c74af4bf6a..e73b3f1dc0 100644
--- a/libavcodec/vulkan/ffv1_dec.comp
+++ b/libavcodec/vulkan/ffv1_dec.comp
@@ -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;
--
2.49.0.395.g12beb8f557c
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