[tkreuzer] 57013: [WIN32K] - Use trivial Clip object, if NULL one is passed in IntEngAlphaBlend - In NtGdiDescribePixelFormat allow passing NULL for the output pixel descriptor and copy the result ...
1 Aug
2012
1 Aug
'12
9:17 a.m.
Author: tkreuzer
Date: Wed Aug 1 09:17:55 2012
New Revision: 57013
URL: http://svn.reactos.org/svn/reactos?rev=57013&view=rev
Log:
[WIN32K]
- Use trivial Clip object, if NULL one is passed in IntEngAlphaBlend
- In NtGdiDescribePixelFormat allow passing NULL for the output pixel descriptor and copy
the result *to* the caller not from the caller.
- Fix some format strings
- Update some annotations
Modified:
trunk/reactos/win32ss/gdi/eng/alphablend.c
trunk/reactos/win32ss/gdi/eng/pdevobj.c
trunk/reactos/win32ss/gdi/ntgdi/arc.c
trunk/reactos/win32ss/gdi/ntgdi/dcutil.c
trunk/reactos/win32ss/gdi/ntgdi/wingl.c
trunk/reactos/win32ss/user/ntuser/class.h
Modified: trunk/reactos/win32ss/gdi/eng/alphablend.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/gdi/eng/alphablend…
==============================================================================
--- trunk/reactos/win32ss/gdi/eng/alphablend.c [iso-8859-1] (original)
+++ trunk/reactos/win32ss/gdi/eng/alphablend.c [iso-8859-1] Wed Aug 1 09:17:55 2012
@@ -141,7 +141,7 @@
Rect.top = InputRect.top + (CombinedRect.top - OutputRect.top) *
(InputRect.bottom - InputRect.top) / (OutputRect.bottom - OutputRect.top);
Rect.bottom = InputRect.bottom + (CombinedRect.bottom -
OutputRect.bottom) * (InputRect.bottom - InputRect.top) / (OutputRect.bottom -
OutputRect.top);
ASSERT(InputRect.left < InputRect.right && InputRect.top <
InputRect.bottom);
-
+
/* Aplha blend one rect */
Ret =
DibFunctionsForBitmapFormat[OutputObj->iBitmapFormat].DIB_AlphaBlend(
OutputObj, InputObj, &CombinedRect, &Rect, ClipRegion,
ColorTranslation, BlendObj);
@@ -170,7 +170,7 @@
Rect.top = InputRect.top + (CombinedRect.top - OutputRect.top) *
(InputRect.bottom - InputRect.top) / (OutputRect.bottom - OutputRect.top);
Rect.bottom = InputRect.bottom + (CombinedRect.bottom -
OutputRect.bottom) * (InputRect.bottom - InputRect.top) / (OutputRect.bottom -
OutputRect.top);
ASSERT(InputRect.left < InputRect.right &&
InputRect.top < InputRect.bottom);
-
+
/* Alpha blend one rect */
Ret =
DibFunctionsForBitmapFormat[OutputObj->iBitmapFormat].DIB_AlphaBlend(
OutputObj, InputObj, &CombinedRect, &Rect,
ClipRegion, ColorTranslation, BlendObj) && Ret;
@@ -192,49 +192,51 @@
return Ret;
}
-BOOL APIENTRY
-IntEngAlphaBlend(IN SURFOBJ *psoDest,
- IN SURFOBJ *psoSource,
- IN CLIPOBJ *ClipRegion,
- IN XLATEOBJ *ColorTranslation,
- IN PRECTL DestRect,
- IN PRECTL SourceRect,
- IN BLENDOBJ *BlendObj)
+BOOL
+APIENTRY
+IntEngAlphaBlend(
+ _Inout_ SURFOBJ *psoDest,
+ _In_ SURFOBJ *psoSource,
+ _In_opt_ CLIPOBJ *pco,
+ _In_opt_ XLATEOBJ *pxlo,
+ _In_ RECTL *prclDest,
+ _In_ RECTL *prclSrc,
+ _In_ BLENDOBJ *pBlendObj)
{
BOOL ret = FALSE;
SURFACE *psurfDest;
- //SURFACE *psurfSource;
ASSERT(psoDest);
- psurfDest = CONTAINING_RECORD(psoDest, SURFACE, SurfObj);
-
ASSERT(psoSource);
- //psurfSource = CONTAINING_RECORD(psoSource, SURFACE, SurfObj);
-
- ASSERT(DestRect);
- ASSERT(SourceRect);
+ ASSERT(prclDest);
+ ASSERT(prclSrc);
+ //ASSERT(pBlendObj);
+
+ /* If no clip object is given, use trivial one */
+ if (!pco) pco = &gxcoTrivial.ClipObj;
/* Check if there is anything to draw */
- if (ClipRegion != NULL &&
- (ClipRegion->rclBounds.left >= ClipRegion->rclBounds.right ||
- ClipRegion->rclBounds.top >= ClipRegion->rclBounds.bottom))
+ if ((pco->rclBounds.left >= pco->rclBounds.right) ||
+ (pco->rclBounds.top >= pco->rclBounds.bottom))
{
/* Nothing to do */
return TRUE;
}
+ psurfDest = CONTAINING_RECORD(psoDest, SURFACE, SurfObj);
+
/* Call the driver's DrvAlphaBlend if available */
if (psurfDest->flags & HOOK_ALPHABLEND)
{
ret = GDIDEVFUNCS(psoDest).AlphaBlend(
- psoDest, psoSource, ClipRegion, ColorTranslation,
- DestRect, SourceRect, BlendObj);
- }
-
- if (! ret)
- {
- ret = EngAlphaBlend(psoDest, psoSource, ClipRegion, ColorTranslation,
- DestRect, SourceRect, BlendObj);
+ psoDest, psoSource, pco, pxlo,
+ prclDest, prclSrc, pBlendObj);
+ }
+
+ if (!ret)
+ {
+ ret = EngAlphaBlend(psoDest, psoSource, pco, pxlo,
+ prclDest, prclSrc, pBlendObj);
}
return ret;
Modified: trunk/reactos/win32ss/gdi/eng/pdevobj.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/gdi/eng/pdevobj.c?…
==============================================================================
--- trunk/reactos/win32ss/gdi/eng/pdevobj.c [iso-8859-1] (original)
+++ trunk/reactos/win32ss/gdi/eng/pdevobj.c [iso-8859-1] Wed Aug 1 09:17:55 2012
@@ -291,14 +291,14 @@
{
/* ... use the device's default one */
pdm = pGraphicsDevice->pDevModeList[pGraphicsDevice->iDefaultMode].pdm;
- DPRINT("Using iDefaultMode = %ld\n",
pGraphicsDevice->iDefaultMode);
+ DPRINT("Using iDefaultMode = %lu\n",
pGraphicsDevice->iDefaultMode);
}
/* Try to get a diplay driver */
ppdev->pldev = EngLoadImageEx(pdm->dmDeviceName, LDEV_DEVICE_DISPLAY);
if (!ppdev->pldev)
{
- DPRINT1("Could not load display driver '%ls', '%s'\n",
+ DPRINT1("Could not load display driver '%ls',
'%ls'\n",
pGraphicsDevice->pDiplayDrivers,
pdm->dmDeviceName);
ExFreePoolWithTag(ppdev, GDITAG_PDEV);
@@ -617,18 +617,13 @@
EngGetDriverName(IN HDEV hdev)
{
PPDEVOBJ ppdev = (PPDEVOBJ)hdev;
- PLDEVOBJ pldev;
-
- if (!hdev)
- return NULL;
-
- pldev = ppdev->pldev;
- ASSERT(pldev);
-
- if (!pldev->pGdiDriverInfo)
- return NULL;
-
- return pldev->pGdiDriverInfo->DriverName.Buffer;
+
+ ASSERT(ppdev);
+ ASSERT(ppdev->pldev);
+ ASSERT(ppdev->pldev->pGdiDriverInfo);
+ ASSERT(ppdev->pldev->pGdiDriverInfo->DriverName.Buffer);
+
+ return ppdev->pldev->pGdiDriverInfo->DriverName.Buffer;
}
Modified: trunk/reactos/win32ss/gdi/ntgdi/arc.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/gdi/ntgdi/arc.c?re…
==============================================================================
--- trunk/reactos/win32ss/gdi/ntgdi/arc.c [iso-8859-1] (original)
+++ trunk/reactos/win32ss/gdi/ntgdi/arc.c [iso-8859-1] Wed Aug 1 09:17:55 2012
@@ -57,12 +57,17 @@
{
INT tmp = Bottom; Bottom = Top; Top = tmp;
}
- if ((Left == Right) ||
- (Top == Bottom) ||
- (((arctype != GdiTypeArc) || (arctype != GdiTypeArcTo)) &&
- ((Right - Left == 1) ||
- (Bottom - Top == 1))))
- return TRUE;
+
+ /* Check if the target rect is empty */
+ if ((Left == Right) || (Top == Bottom)) return TRUE;
+
+ // FIXME: this needs to be verified
+ if ((arctype == GdiTypeChord ) || (arctype == GdiTypePie))
+ {
+ if ((Right - Left == 1) || (Bottom - Top == 1))
+ return TRUE;
+ }
+
pdcattr = dc->pdcattr;
Modified: trunk/reactos/win32ss/gdi/ntgdi/dcutil.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/gdi/ntgdi/dcutil.c…
==============================================================================
--- trunk/reactos/win32ss/gdi/ntgdi/dcutil.c [iso-8859-1] (original)
+++ trunk/reactos/win32ss/gdi/ntgdi/dcutil.c [iso-8859-1] Wed Aug 1 09:17:55 2012
@@ -332,13 +332,13 @@
return Ret;
}
-BOOL
+BOOL _Success_(return != FALSE)
APIENTRY
NtGdiGetAndSetDCDword(
- HDC hDC,
- UINT u,
- DWORD dwIn,
- DWORD *Result)
+ _In_ HDC hdc,
+ _In_ UINT u,
+ _In_ DWORD dwIn,
+ _Out_ DWORD *pdwResult)
{
BOOL Ret = TRUE;
PDC pdc;
@@ -347,13 +347,13 @@
DWORD SafeResult = 0;
NTSTATUS Status = STATUS_SUCCESS;
- if (!Result)
+ if (!pdwResult)
{
EngSetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
- pdc = DC_LockDc(hDC);
+ pdc = DC_LockDc(hdc);
if (!pdc)
{
EngSetLastError(ERROR_INVALID_HANDLE);
@@ -442,8 +442,8 @@
{
_SEH2_TRY
{
- ProbeForWrite(Result, sizeof(DWORD), 1);
- *Result = SafeResult;
+ ProbeForWrite(pdwResult, sizeof(DWORD), 1);
+ *pdwResult = SafeResult;
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
Modified: trunk/reactos/win32ss/gdi/ntgdi/wingl.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/gdi/ntgdi/wingl.c?…
==============================================================================
--- trunk/reactos/win32ss/gdi/ntgdi/wingl.c [iso-8859-1] (original)
+++ trunk/reactos/win32ss/gdi/ntgdi/wingl.c [iso-8859-1] Wed Aug 1 09:17:55 2012
@@ -3,7 +3,7 @@
* LICENSE: GPL - See COPYING in the top level directory
* FILE: subsystems/win32/win32k/objects/wingl.c
* PURPOSE: WinGL API
- * PROGRAMMER:
+ * PROGRAMMER:
*/
#include <win32k.h>
@@ -38,23 +38,23 @@
return Ret;
}
-
+ _Success_(return != 0)
INT
APIENTRY
-NtGdiDescribePixelFormat(HDC hDC,
- INT PixelFormat,
- UINT BufSize,
- LPPIXELFORMATDESCRIPTOR pfd)
+NtGdiDescribePixelFormat(
+ _In_ HDC hdc,
+ _In_ INT ipfd,
+ _In_ UINT cjpfd,
+ _When_(cjpfd != 0, _Out_) PPIXELFORMATDESCRIPTOR ppfd)
{
PDC pdc;
PPDEVOBJ ppdev;
INT Ret = 0;
PIXELFORMATDESCRIPTOR pfdSafe;
- NTSTATUS Status = STATUS_SUCCESS;
- if (!BufSize) return 0;
+ if ((ppfd == NULL) && (cjpfd != 0)) return 0;
- pdc = DC_LockDc(hDC);
+ pdc = DC_LockDc(hdc);
if (!pdc)
{
EngSetLastError(ERROR_INVALID_HANDLE);
@@ -63,10 +63,8 @@
if (!pdc->ipfdDevMax) IntGetipfdDevMax(pdc);
- if ( BufSize < sizeof(PIXELFORMATDESCRIPTOR) ||
- PixelFormat < 1 ||
- PixelFormat > pdc->ipfdDevMax )
- {
+ if ((ipfd < 1) || (ipfd > pdc->ipfdDevMax))
+ {
EngSetLastError(ERROR_INVALID_PARAMETER);
goto Exit;
}
@@ -83,25 +81,25 @@
{
Ret = ppdev->DriverFunctions.DescribePixelFormat(
ppdev->dhpdev,
- PixelFormat,
- sizeof(PIXELFORMATDESCRIPTOR),
+ ipfd,
+ sizeof(pfdSafe),
&pfdSafe);
}
- _SEH2_TRY
+ if (Ret && cjpfd)
{
- ProbeForWrite( pfd,
- sizeof(PIXELFORMATDESCRIPTOR),
- 1);
- RtlCopyMemory(&pfdSafe, pfd, sizeof(PIXELFORMATDESCRIPTOR));
+ _SEH2_TRY
+ {
+ cjpfd = min(cjpfd, sizeof(PIXELFORMATDESCRIPTOR));
+ ProbeForWrite(ppfd, cjpfd, 1);
+ RtlCopyMemory(ppfd, &pfdSafe, cjpfd);
+ }
+ _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
+ {
+ SetLastNtError(_SEH2_GetExceptionCode());
+ }
+ _SEH2_END;
}
- _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
- {
- Status = _SEH2_GetExceptionCode();
- }
- _SEH2_END;
-
- if (!NT_SUCCESS(Status)) SetLastNtError(Status);
Exit:
DC_UnlockDc(pdc);
@@ -133,7 +131,7 @@
if ( ipfd < 1 ||
ipfd > pdc->ipfdDevMax )
- {
+ {
EngSetLastError(ERROR_INVALID_PARAMETER);
goto Exit;
}
Modified: trunk/reactos/win32ss/user/ntuser/class.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/user/ntuser/class.…
==============================================================================
--- trunk/reactos/win32ss/user/ntuser/class.h [iso-8859-1] (original)
+++ trunk/reactos/win32ss/user/ntuser/class.h [iso-8859-1] Wed Aug 1 09:17:55 2012
@@ -48,8 +48,10 @@
IN PCALLPROCDATA CallProc);
BOOL
-IntGetAtomFromStringOrAtom(IN PUNICODE_STRING ClassName,
- OUT RTL_ATOM *Atom);
+NTAPI
+IntGetAtomFromStringOrAtom(
+ _In_ PUNICODE_STRING ClassName,
+ _Out_ RTL_ATOM *Atom);
BOOL
IntCheckProcessDesktopClasses(IN PDESKTOP Desktop,
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