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in repository ffmpeg.

commit cd1dab13c362f0f82cbefac675f1f7cbc8370766
Author:     Niklas Haas <[email protected]>
AuthorDate: Wed Oct 21 18:27:54 2026 +0200
Commit:     Niklas Haas <[email protected]>
CommitDate: Sat Oct 24 19:10:48 2026 +0000

    swscale/vulkan/ops: define dither offset constants at the point of use
    
    Co-Authored-By: Claude Opus 5.5 <[email protected]>
    Signed-off-by: Niklas Haas <[email protected]>
---
 libswscale/vulkan/ops.c | 13 +++----------
 1 file changed, 3 insertions(+), 10 deletions(-)

diff --git a/libswscale/vulkan/ops.c b/libswscale/vulkan/ops.c
index 854eed6630..5fcbed62c1 100644
--- a/libswscale/vulkan/ops.c
+++ b/libswscale/vulkan/ops.c
@@ -330,7 +330,6 @@ typedef struct LinearIDs {
 /* Constants and buffers used by a single op */
 typedef struct OpIDs {
     union {
-        int comp[4];                      /* CLEAR, MIN, MAX, DITHER */
         LinearIDs lin;                    /* LINEAR */
     };
     int buf; /* index into dither[] or filt[] */
@@ -571,14 +570,6 @@ static void define_shader_consts(SwsContext *sws, const 
SwsOpList *ops,
         const SwsOp *op = &ops->ops[n];
         OpIDs *oid = &id->op[n];
         switch (op->op) {
-        case SWS_OP_DITHER:
-            for (int i = 0; i < 4; i++) {
-                if (op->dither.y_offset[i] < 0)
-                    continue;
-                oid->comp[i] = spi_OpConstantUInt(spi, u32_type,
-                                                  op->dither.y_offset[i]);
-            }
-            break;
         case SWS_OP_LINEAR: {
             LinearIDs *lin = &oid->lin;
             int vec[4], tmp[4];
@@ -1209,7 +1200,9 @@ static int emit_shader(SwsContext *sws, VulkanPriv *p, 
FFVulkanOpsCtx *s,
                 if (op->dither.y_offset[i] < 0)
                     continue;
 
-                int y_id = spi_OpIAdd(spi, id->u32_type, y_pos, oid->comp[i]);
+                int y_off = spi_OpConstantUInt(spi, id->u32_type,
+                                               op->dither.y_offset[i]);
+                int y_id = spi_OpIAdd(spi, id->u32_type, y_pos, y_off);
                 y_id = spi_OpBitwiseAnd(spi, id->u32_type, y_id, d->mask_id);
 
                 int ptr = spi_OpAccessChain(spi, id->dither_ptr_elem_id, d->id,

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