Alexandre Julliard : winex11: Don' t return an alpha channel for DIBs read from the screen.
Alexandre Julliard
julliard at winehq.org
Wed Oct 10 15:07:52 CDT 2012
Module: wine
Branch: master
Commit: fad3ca07e6972920eb463935e1e125f0af4dd2be
URL: http://source.winehq.org/git/wine.git/?a=commit;h=fad3ca07e6972920eb463935e1e125f0af4dd2be
Author: Alexandre Julliard <julliard at winehq.org>
Date: Wed Oct 10 17:09:01 2012 +0200
winex11: Don't return an alpha channel for DIBs read from the screen.
---
dlls/winex11.drv/bitblt.c | 14 +++++++-------
1 files changed, 7 insertions(+), 7 deletions(-)
diff --git a/dlls/winex11.drv/bitblt.c b/dlls/winex11.drv/bitblt.c
index c3cf056..17ebde7 100644
--- a/dlls/winex11.drv/bitblt.c
+++ b/dlls/winex11.drv/bitblt.c
@@ -946,7 +946,7 @@ static inline int get_dib_image_size( const BITMAPINFO *info )
}
/* store the palette or color mask data in the bitmap info structure */
-static void set_color_info( const XVisualInfo *vis, BITMAPINFO *info )
+static void set_color_info( const XVisualInfo *vis, BITMAPINFO *info, BOOL has_alpha )
{
DWORD *colors = (DWORD *)((char *)info + info->bmiHeader.biSize);
@@ -984,7 +984,7 @@ static void set_color_info( const XVisualInfo *vis, BITMAPINFO *info )
colors[0] = vis->red_mask;
colors[1] = vis->green_mask;
colors[2] = vis->blue_mask;
- if (colors[0] != 0xff0000 || colors[1] != 0x00ff00 || colors[2] != 0x0000ff)
+ if (colors[0] != 0xff0000 || colors[1] != 0x00ff00 || colors[2] != 0x0000ff || !has_alpha)
info->bmiHeader.biCompression = BI_BITFIELDS;
break;
}
@@ -1291,7 +1291,7 @@ update_format:
info->bmiHeader.biPlanes = 1;
info->bmiHeader.biBitCount = format->bits_per_pixel;
if (info->bmiHeader.biHeight > 0) info->bmiHeader.biHeight = -info->bmiHeader.biHeight;
- set_color_info( &vis, info );
+ set_color_info( &vis, info, FALSE );
return ERROR_BAD_FORMAT;
}
@@ -1339,7 +1339,7 @@ DWORD X11DRV_GetImage( PHYSDEV dev, BITMAPINFO *info,
info->bmiHeader.biXPelsPerMeter = 0;
info->bmiHeader.biYPelsPerMeter = 0;
info->bmiHeader.biClrImportant = 0;
- set_color_info( &vis, info );
+ set_color_info( &vis, info, FALSE );
if (!bits) return ERROR_SUCCESS; /* just querying the color information */
@@ -1445,7 +1445,7 @@ update_format:
info->bmiHeader.biPlanes = 1;
info->bmiHeader.biBitCount = format->bits_per_pixel;
if (info->bmiHeader.biHeight > 0) info->bmiHeader.biHeight = -info->bmiHeader.biHeight;
- set_color_info( vis, info );
+ set_color_info( vis, info, FALSE );
return ERROR_BAD_FORMAT;
}
@@ -1525,7 +1525,7 @@ DWORD get_pixmap_image( Pixmap pixmap, int width, int height, const XVisualInfo
info->bmiHeader.biXPelsPerMeter = 0;
info->bmiHeader.biYPelsPerMeter = 0;
info->bmiHeader.biClrImportant = 0;
- set_color_info( vis, info );
+ set_color_info( vis, info, FALSE );
if (!bits) return ERROR_SUCCESS; /* just querying the color information */
@@ -1992,7 +1992,7 @@ struct window_surface *create_surface( Window window, const XVisualInfo *vis, co
surface->info.bmiHeader.biPlanes = 1;
surface->info.bmiHeader.biBitCount = format->bits_per_pixel;
surface->info.bmiHeader.biSizeImage = get_dib_image_size( &surface->info );
- set_color_info( vis, &surface->info );
+ set_color_info( vis, &surface->info, use_alpha );
InitializeCriticalSection( &surface->crit );
surface->crit.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": surface");
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