[PATCH 0/3] MR6947: win32u: Improve experience with emulated display mode.

[Rémi Bernon (＠rbernon)]

Keep fullscreen window aspect ratio, with opaque window padding on X11. Use bilinear filtering for XRender blits.

[PATCH 1/3] winex11: Set a non-transparent window background pixel color.

[Rémi Bernon]

From: Rémi Bernon

---
 dlls/winex11.drv/window.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/dlls/winex11.drv/window.c b/dlls/winex11.drv/window.c
index b99c96f644b..404c308bf4e 100644
--- a/dlls/winex11.drv/window.c
+++ b/dlls/winex11.drv/window.c
@@ -475,12 +475,13 @@ static int get_window_attributes( struct x11drv_win_data *data, XSetWindowAttrib
     attr->bit_gravity       = NorthWestGravity;
     attr->backing_store     = NotUseful;
     attr->border_pixel      = 0;
+    attr->background_pixel  = 0;
     attr->event_mask        = (ExposureMask | PointerMotionMask |
                                ButtonPressMask | ButtonReleaseMask | EnterWindowMask |
                                KeyPressMask | KeyReleaseMask | FocusChangeMask |
                                KeymapStateMask | StructureNotifyMask | PropertyChangeMask);

-    return (CWOverrideRedirect | CWSaveUnder | CWColormap | CWBorderPixel |
+    return (CWOverrideRedirect | CWSaveUnder | CWColormap | CWBorderPixel | CWBackPixel |
             CWEventMask | CWBitGravity | CWBackingStore);
 }

[PATCH 2/3] win32u: Let fullscreen windows cover entire monitors, keeping aspect ratio.

[Rémi Bernon]

From: Rémi Bernon

---
 dlls/win32u/sysparams.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/dlls/win32u/sysparams.c b/dlls/win32u/sysparams.c
index 4eeb999c891..01342cd4c9f 100644
--- a/dlls/win32u/sysparams.c
+++ b/dlls/win32u/sysparams.c
@@ -2512,11 +2512,19 @@ RECT map_rect_virt_to_raw( RECT rect, UINT dpi_from )
 struct window_rects map_window_rects_virt_to_raw( struct window_rects rects, UINT dpi_from )
 {
     struct monitor *monitor;
+    RECT rect, monitor_rect;
+    BOOL is_fullscreen;

if (!lock_display_devices()) return rects;
     if ((monitor = get_monitor_from_rect( rects.window, MONITOR_DEFAULTTONEAREST, dpi_from, MDT_DEFAULT )))
     {
-        rects.visible = map_monitor_rect( monitor, rects.visible, dpi_from, MDT_DEFAULT, 0, MDT_RAW_DPI );
+        /* if the visible rect is fullscreen, make it cover the full raw monitor, regardless of aspect ratio */
+        monitor_rect = monitor_get_rect( monitor, dpi_from, MDT_DEFAULT );
+
+        is_fullscreen = intersect_rect( &rect, &monitor_rect, &rects.visible ) && EqualRect( &rect, &monitor_rect );
+        if (is_fullscreen) rects.visible = monitor_get_rect( monitor, 0, MDT_RAW_DPI );
+        else rects.visible = map_monitor_rect( monitor, rects.visible, dpi_from, MDT_DEFAULT, 0, MDT_RAW_DPI );
+
         rects.window = map_monitor_rect( monitor, rects.window, dpi_from, MDT_DEFAULT, 0, MDT_RAW_DPI );
         rects.client = map_monitor_rect( monitor, rects.client, dpi_from, MDT_DEFAULT, 0, MDT_RAW_DPI );
     }

[PATCH 3/3] winex11: Use bilinear filtering in xrender_blit.

[Rémi Bernon]

From: Rémi Bernon

---
 dlls/winex11.drv/xrender.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/dlls/winex11.drv/xrender.c b/dlls/winex11.drv/xrender.c
index a59653871fd..bac3e6fac4b 100644
--- a/dlls/winex11.drv/xrender.c
+++ b/dlls/winex11.drv/xrender.c
@@ -177,6 +177,7 @@ MAKE_FUNCPTR(XRenderComposite)
 MAKE_FUNCPTR(XRenderCompositeText16)
 MAKE_FUNCPTR(XRenderCreateGlyphSet)
 MAKE_FUNCPTR(XRenderCreatePicture)
+MAKE_FUNCPTR(XRenderSetPictureFilter)
 MAKE_FUNCPTR(XRenderFillRectangle)
 MAKE_FUNCPTR(XRenderFindFormat)
 MAKE_FUNCPTR(XRenderFindVisualFormat)
@@ -332,6 +333,7 @@ const struct gdi_dc_funcs *X11DRV_XRender_Init(void)
     LOAD_FUNCPTR(XRenderCompositeText16);
     LOAD_FUNCPTR(XRenderCreateGlyphSet);
     LOAD_FUNCPTR(XRenderCreatePicture);
+    LOAD_FUNCPTR(XRenderSetPictureFilter);
     LOAD_FUNCPTR(XRenderFillRectangle);
     LOAD_FUNCPTR(XRenderFindFormat);
     LOAD_FUNCPTR(XRenderFindVisualFormat);
@@ -1493,6 +1495,7 @@ static void xrender_blit( int op, Picture src_pict, Picture mask_pict, Picture d
         y_offset = y_src;
         set_xrender_transformation(src_pict, 1, 1, 0, 0);
     }
+    pXRenderSetPictureFilter( gdi_display, src_pict, FilterBilinear, 0, 0 );
     pXRenderComposite( gdi_display, op, src_pict, mask_pict, dst_pict,
                        x_offset, y_offset, 0, 0, x_dst, y_dst, width_dst, height_dst );
 }