From f5ab88e770890259329341cf7a9e7f625bf8e811 Mon Sep 17 00:00:00 2001
From: Vaxry <vaxry@vaxry.net>
Date: Sun, 10 Nov 2024 20:17:31 +0000
Subject: [PATCH] thanks ujin

---
 src/managers/PointerManager.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/managers/PointerManager.cpp b/src/managers/PointerManager.cpp
index a98a0228..d6189acd 100644
--- a/src/managers/PointerManager.cpp
+++ b/src/managers/PointerManager.cpp
@@ -459,7 +459,13 @@ SP<Aquamarine::IBuffer> CPointerManager::renderHWCursorBuffer(SP<CPointerManager
 
         auto [data, fmt, size] = buf->beginDataPtr(0);
 
-        memcpy(data, texData.data(), std::min(size, texData.size()));
+        memset(data, 0, size);
+        if (buf->dmabuf().size.x > texture->m_vSize.x) {
+            size_t STRIDE = 4 * texture->m_vSize.x;
+            for (int i = 0; i < texture->m_vSize.y; i++)
+                memcpy(data + i * buf->dmabuf().strides[0], texData.data() + i * STRIDE, STRIDE);
+        } else
+            memcpy(data, texData.data(), std::min(size, texData.size()));
 
         buf->endDataPtr();