wine/dlls/ddraw surface_main.c

[Alexandre Julliard]

ChangeSet ID:	21255
CVSROOT:	/opt/cvs-commit
Module name:	wine
Changes by:	julliard at winehq.org	2005/11/14 06:27:55

Modified files:
	dlls/ddraw     : surface_main.c 

Log message:
	Lionel Ulmer <lionel.ulmer at free.fr>
	Use the front buffer palette for DC operations on off-screen buffers.

Patch: http://cvs.winehq.org/patch.py?id=21255

Old revision  New revision  Changes     Path
 1.8           1.9           +25 -0      wine/dlls/ddraw/surface_main.c

Index: wine/dlls/ddraw/surface_main.c
diff -u -p wine/dlls/ddraw/surface_main.c:1.8 wine/dlls/ddraw/surface_main.c:1.9
--- wine/dlls/ddraw/surface_main.c:1.8	14 Nov 2005 12:27:55 -0000
+++ wine/dlls/ddraw/surface_main.c	14 Nov 2005 12:27:55 -0000
@@ -900,6 +900,31 @@ Main_DirectDrawSurface_GetDC(LPDIRECTDRA
     }
 
     hr = This->get_dc(This, &This->hDC);
+
+    if ((This->surface_desc.u4.ddpfPixelFormat.dwFlags & DDPF_PALETTEINDEXED8) &&
+	(This->palette == NULL)) {
+	IDirectDrawImpl *ddraw = This->ddraw_owner;
+	IDirectDrawSurfaceImpl *surf;
+	
+	for (surf = ddraw->surfaces; surf != NULL; surf = surf->next_ddraw) {
+	    if (((surf->surface_desc.ddsCaps.dwCaps & (DDSCAPS_PRIMARYSURFACE | DDSCAPS_FRONTBUFFER)) == (DDSCAPS_PRIMARYSURFACE | DDSCAPS_FRONTBUFFER)) &&
+		(surf->palette != NULL)) {
+		RGBQUAD col[256];
+		IDirectDrawPaletteImpl *pal = surf->palette;
+		unsigned int n;
+		for (n=0; n<256; n++) {
+		    col[n].rgbRed   = pal->palents[n].peRed;
+		    col[n].rgbGreen = pal->palents[n].peGreen;
+		    col[n].rgbBlue  = pal->palents[n].peBlue;
+		    col[n].rgbReserved = 0;
+		}
+		SetDIBColorTable(This->hDC, 0, 256, col);
+		break;
+	    }
+	}
+
+    }
+    
     if (SUCCEEDED(hr))
     {
 	TRACE("returning %p\n",This->hDC);