[vlc-commits] [Git][videolan/vlc][master] wingdi: request BGRA for 32 bits display

[Jean-Baptiste Kempf (@jbk)]

Jean-Baptiste Kempf pushed to branch master at VideoLAN / VLC


Commits:
4cbe9814 by Steve Lhomme at 2023-08-19T07:16:51+00:00
wingdi: request BGRA for 32 bits display

In 32 bits we don't use the mask in the DC (BI_RGB [1]) so we don't need to
rely on a matching mask on input either.

The alpha byte of each pixel will be ignored.

It is more efficient and safe from a mask manipulation.

[1] https://learn.microsoft.com/en-us/windows/win32/api/wingdi/ns-wingdi-bitmapinfoheader

- - - - -


1 changed file:

- modules/video_output/win32/wingdi.c


Changes:

=====================================
modules/video_output/win32/wingdi.c
=====================================
@@ -276,11 +276,8 @@ static int Init(vout_display_t *vd, video_format_t *fmt)
         fmt->i_gmask  = 0x0000ff00;
         fmt->i_bmask  = 0x000000ff;
         break;
-    case 32:
-        fmt->i_chroma = VLC_CODEC_RGB32;
-        fmt->i_rmask  = 0x00ff0000;
-        fmt->i_gmask  = 0x0000ff00;
-        fmt->i_bmask  = 0x000000ff;
+    case 32: // BGRX
+        fmt->i_chroma = VLC_CODEC_BGRA;
         break;
     default:
         msg_Err(vd, "screen depth %i not supported", i_depth);



View it on GitLab: https://code.videolan.org/videolan/vlc/-/commit/4cbe98144de90e1b6a379668fc637d918ab9752c

-- 
View it on GitLab: https://code.videolan.org/videolan/vlc/-/commit/4cbe98144de90e1b6a379668fc637d918ab9752c
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