[reactos] 01/01: [WIN32K] Revert incorrect part of R50928 for RealizePalette. (#3678)

[Doug Lyons]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=c7954134d0d60100911b8…

commit c7954134d0d60100911b8872d3605fbb576d968d
Author:     Doug Lyons <douglyons(a)douglyons.com>
AuthorDate: Sat Jun 19 11:25:03 2021 -0500
Commit:     GitHub <noreply(a)github.com>
CommitDate: Sat Jun 19 18:25:03 2021 +0200

    [WIN32K] Revert incorrect part of R50928 for RealizePalette. (#3678)
    
    
    Revert incorrect code for Realize Palette
    Revert part of SVN R50928 that causes Durak card suites to have wrong colors.
    SVN r50928 == git 5de8339cd196e2bc01ac631e677010a939b2d083
    
    JIRA issue: CORE-13748 <= Durak Example
    JIRA issue: CORE-16510 <= GDIProg Example
    
    The patch also fixes 2 crashes on each bot, although
    it was not targeted for that explicitly:
    KVM: https://reactos.org/testman/compare.php?ids=77304,77308 LGTM
    VBox: https://reactos.org/testman/compare.php?ids=77305,77309 LGTM
---
 win32ss/gdi/ntgdi/palette.c | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/win32ss/gdi/ntgdi/palette.c b/win32ss/gdi/ntgdi/palette.c
index ec92c287219..31cd4f5f3fd 100644
--- a/win32ss/gdi/ntgdi/palette.c
+++ b/win32ss/gdi/ntgdi/palette.c
@@ -730,7 +730,7 @@ UINT
 FASTCALL
 IntGdiRealizePalette(HDC hDC)
 {
-    UINT i, realize = 0;
+    UINT realize = 0;
     PDC pdc;
     PALETTE *ppalSurf, *ppalDC;
 
@@ -769,13 +769,8 @@ IntGdiRealizePalette(HDC hDC)
 
     ASSERT(ppalDC->flFlags & PAL_INDEXED);
 
-    // FIXME: Should we resize ppalSurf if it's too small?
-    realize = (ppalDC->NumColors < ppalSurf->NumColors) ? ppalDC->NumColors :
ppalSurf->NumColors;
-
-    for (i=0; i<realize; i++)
-    {
-        InterlockedExchange((LONG*)&ppalSurf->IndexedColors[i],
*(LONG*)&ppalDC->IndexedColors[i]);
-    }
+    DPRINT1("RealizePalette unimplemented for %s\n", 
+            (pdc->dctype == DC_TYPE_MEMORY ? "memory managed DCs" :
"device DCs"));
 
 cleanup:
     DC_UnlockDc(pdc);