From c462bad08c5075ac0fec56b3c86534fd42aa7282 Mon Sep 17 00:00:00 2001
From: Julian Orth <ju.orth@gmail.com>
Date: Fri, 3 Oct 2025 16:51:08 +0200
Subject: [PATCH] shm: align the stride to 256 bytes

This is required for the compositor to import the buffer directly into
AMD hardware for zero-copy sampling.
---
 shm.c    | 2 +-
 stride.h | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/shm.c b/shm.c
index 4680c12c..a222175a 100644
--- a/shm.c
+++ b/shm.c
@@ -13,7 +13,6 @@
 
 #include <pixman.h>
 
-#include <fcft/stride.h>
 #include <tllist.h>
 
 #define LOG_MODULE "shm"
@@ -22,6 +21,7 @@
 #include "debug.h"
 #include "macros.h"
 #include "xmalloc.h"
+#include "stride.h"
 
 #if !defined(MAP_UNINITIALIZED)
  #define MAP_UNINITIALIZED 0
diff --git a/stride.h b/stride.h
index b2c71a71..a15871a2 100644
--- a/stride.h
+++ b/stride.h
@@ -5,5 +5,5 @@
 static inline int
 stride_for_format_and_width(pixman_format_code_t format, int width)
 {
-    return (((PIXMAN_FORMAT_BPP(format) * width + 7) / 8 + 4 - 1) & -4);
+    return (((PIXMAN_FORMAT_BPP(format) * width + 7) / 8 + 256 - 1) & -256);
 }