Commit 3771368eb7 for ffmpeg

commit 3771368eb72300f9425efa1c2286ce43f2c6d755
Author: Niklas Haas <git@haasn.dev>
Date:   Tue Oct 20 23:46:06 2026 +0200

    swscale/vulkan/ops: initialize unused integer lanes to zero

    Same as was already done for float lanes. There is no reason to treat the
    two differently, and this avoids the need for OpUndef.

    Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
    Signed-off-by: Niklas Haas <git@haasn.dev>

diff --git a/libswscale/vulkan/ops.c b/libswscale/vulkan/ops.c
index 5a840b788d..77314ed51f 100644
--- a/libswscale/vulkan/ops.c
+++ b/libswscale/vulkan/ops.c
@@ -372,7 +372,6 @@ typedef struct SPIRVIDs {
     int f32mat4_type;

     /* Constants */
-    int u32_p;
     int f32_0;
     int u32_cid[5];

@@ -539,7 +538,6 @@ static void define_shader_consts(SwsContext *sws, const SwsOpList *ops,
     id->f32mat4_type = spi_OpTypeMatrix(spi, id->f32vec4_type, 4);

     /* Constants */
-    id->u32_p = spi_OpUndef(spi, u32_type);
     id->f32_0 = spi_OpConstantFloat(spi, f32_type, 0);
     for (int i = 0; i < 5; i++)
         id->u32_cid[i] = spi_OpConstantUInt(spi, u32_type, i);
@@ -1152,8 +1150,8 @@ static int add_ops_spirv(SwsContext *sws, VulkanPriv *p, FFVulkanOpsCtx *s,
                                         id->f32_0, id->f32_0);
     else
         data = spi_OpCompositeConstruct(spi, id->u32vec4_type,
-                                        id->u32_p, id->u32_p,
-                                        id->u32_p, id->u32_p);
+                                        id->u32_cid[0], id->u32_cid[0],
+                                        id->u32_cid[0], id->u32_cid[0]);

     /* Operations */
     for (int n = 0; n < ops->num_ops; n++) {
@@ -1168,7 +1166,7 @@ static int add_ops_spirv(SwsContext *sws, VulkanPriv *p, FFVulkanOpsCtx *s,
         int type_s = type_out == SWS_PIXEL_F32 ?
                      id->f32_type : id->u32_type;
         int uid = type_out == SWS_PIXEL_F32 ?
-                  id->f32_0 : id->u32_p;
+                  id->f32_0 : id->u32_cid[0];

         switch (op->op) {
         case SWS_OP_READ: