From 91371e3233261cc5a956f1c3f1ae30b20b34b25a Mon Sep 17 00:00:00 2001
From: "Enrico Weigelt, metux IT consult" <info@metux.net>
Date: Thu, 8 Aug 2024 10:44:55 +0200
Subject: [PATCH] Xnest: replace XCreatePixmapFromBitmapData() by
 xcb_put_image()

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
---
 hw/xnest/Display.c   |  3 ++-
 hw/xnest/xcb.c       | 42 ++++++++++++++++++++++++++++++++++++++++++
 hw/xnest/xnest-xcb.h |  4 ++++
 3 files changed, 48 insertions(+), 1 deletion(-)

diff --git a/hw/xnest/Display.c b/hw/xnest/Display.c
index 0a151d745..567e560ca 100644
--- a/hw/xnest/Display.c
+++ b/hw/xnest/Display.c
@@ -185,7 +185,8 @@ xnestOpenDisplay(int argc, char *argv[])
                                       (char *) icon_bits, icon_width, icon_height);
 
     xnestScreenSaverPixmap =
-        XCreatePixmapFromBitmapData(xnestDisplay,
+        xnest_create_pixmap_from_bitmap_data(
+                                    xnestUpstreamInfo.conn,
                                     xnestUpstreamInfo.screenInfo->root,
                                     (char *) screensaver_bits,
                                     screensaver_width,
diff --git a/hw/xnest/xcb.c b/hw/xnest/xcb.c
index 4816a405f..e2050590a 100644
--- a/hw/xnest/xcb.c
+++ b/hw/xnest/xcb.c
@@ -5,6 +5,7 @@
 #include <dix-config.h>
 
 #include <xcb/xcb.h>
+#include <xcb/xcb_aux.h>
 #include <xcb/xcb_icccm.h>
 
 #include <X11/X.h>
@@ -105,3 +106,44 @@ uint32_t xnest_create_bitmap_from_data(
     xcb_free_gc(conn, gc);
     return pix;
 }
+
+uint32_t xnest_create_pixmap_from_bitmap_data(
+    xcb_connection_t *conn,
+    uint32_t drawable,
+    const char *data,
+    uint32_t width,
+    uint32_t height,
+    uint32_t fg,
+    uint32_t bg,
+    uint16_t depth)
+{
+    uint32_t pix = xcb_generate_id(xnestUpstreamInfo.conn);
+    xcb_create_pixmap(conn, depth, pix, drawable, width, height);
+
+    uint32_t gc = xcb_generate_id(xnestUpstreamInfo.conn);
+    xcb_create_gc(conn, gc, pix, 0, NULL);
+
+    xcb_params_gc_t gcv = {
+        .foreground = fg,
+        .background = bg
+    };
+
+    xcb_aux_change_gc(conn, gc, XCB_GC_FOREGROUND | XCB_GC_BACKGROUND, &gcv);
+
+    const int leftPad = 0;
+    xcb_put_image(conn,
+                  XYBitmap,
+                  pix,
+                  gc,
+                  width,
+                  height,
+                  0 /* dst_x */,
+                  0 /* dst_y */,
+                  leftPad,
+                  1 /* depth */,
+                  BitmapBytePad(width + leftPad) * height,
+                  (uint8_t*)data);
+
+    xcb_free_gc(conn, gc);
+    return pix;
+}
diff --git a/hw/xnest/xnest-xcb.h b/hw/xnest/xnest-xcb.h
index f3c3a1923..accbd36b2 100644
--- a/hw/xnest/xnest-xcb.h
+++ b/hw/xnest/xnest-xcb.h
@@ -28,4 +28,8 @@ void xnest_wm_colormap_windows(xcb_connection_t *conn, xcb_window_t w,
 uint32_t xnest_create_bitmap_from_data(xcb_connection_t *conn, uint32_t drawable,
                                        const char *data, uint32_t width, uint32_t height);
 
+uint32_t xnest_create_pixmap_from_bitmap_data(xcb_connection_t *conn, uint32_t drawable,
+                                         const char *data, uint32_t width, uint32_t height,
+                                         uint32_t fg, uint32_t bg, uint16_t depth);
+
 #endif /* __XNEST__XCB_H */