[sgasiorek] 75182: [DXG] Initial implementation of DxDdLock and better stub for DxDdUnlock

Author: sgasiorek
Date: Sat Jun 24 13:53:22 2017
New Revision: 75182

URL: http://svn.reactos.org/svn/reactos?rev=75182&view=rev
Log:
[DXG] Initial implementation of DxDdLock and better stub for DxDdUnlock

Added:
    trunk/reactos/win32ss/reactx/dxg/ddsurf.c   (with props)
Modified:
    trunk/reactos/sdk/include/reactos/drivers/directx/directxint.h
    trunk/reactos/win32ss/reactx/dxg/CMakeLists.txt
    trunk/reactos/win32ss/reactx/dxg/dxg_driver.h
    trunk/reactos/win32ss/reactx/dxg/dxg_int.h

Modified: trunk/reactos/sdk/include/reactos/drivers/directx/directxint.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/sdk/include/reactos/driver…
==============================================================================
--- trunk/reactos/sdk/include/reactos/drivers/directx/directxint.h	[iso-8859-1]
(original)
+++ trunk/reactos/sdk/include/reactos/drivers/directx/directxint.h	[iso-8859-1] Sat Jun 24
13:53:22 2017
@@ -24,8 +24,8 @@
 /* 0x2C */    FLONG fl;
 /* 0x30 */    struct _EDD_DIRECTDRAW_LOCAL *peDirectDrawLocal_prev;  // verified to match
Windows XP,
                                                                      // points to the old
DDLocal when new handle is created.
-/* 0x34 */    ULONG unk_034;
-/* 0x38 */    ULONG unk_038;
+/* 0x34 */    FLATPTR fpProcess2;                                    // surface memory
address returned by graphic driver
+/* 0x38 */    ULONG isMemoryMapped;                                  // surface memory
mapped?
 /* 0x3C */    HANDLE UniqueProcess;
 /* 0x40 */    PEPROCESS Process;
 /* 0x44 */    VOID *unk_044;

Modified: trunk/reactos/win32ss/reactx/dxg/CMakeLists.txt
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/reactx/dxg/CMakeLi…
==============================================================================
--- trunk/reactos/win32ss/reactx/dxg/CMakeLists.txt	[iso-8859-1] (original)
+++ trunk/reactos/win32ss/reactx/dxg/CMakeLists.txt	[iso-8859-1] Sat Jun 24 13:53:22 2017
@@ -7,6 +7,7 @@
     d3d.c
     dd.c
     ddraw.c
+    ddsurf.c
     eng.c
     historic.c
     dxg_int.h)

Added: trunk/reactos/win32ss/reactx/dxg/ddsurf.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/reactx/dxg/ddsurf.…
==============================================================================
--- trunk/reactos/win32ss/reactx/dxg/ddsurf.c	(added)
+++ trunk/reactos/win32ss/reactx/dxg/ddsurf.c	[iso-8859-1] Sat Jun 24 13:53:22 2017
@@ -0,0 +1,100 @@
+/*
+ * COPYRIGHT:        See COPYING in the top level directory
+ * PROJECT:          ReactOS kernel
+ * PURPOSE:          Native driver for dxg implementation
+ * FILE:             win32ss/reactx/dxg/ddsurf.c
+ * PROGRAMER:        Sebastian Gasiorek (sebastian.gasiorek(a)reactos.org)
+ */
+
+/*++
+* @name DxDdLock
+* @implemented
+*
+* The function DxDdLock locks the surface and calls
+* MapMemory driver function to assign surface memory.
+* Surface memory is returned in mapMemoryData.fpProcess variable
+*
+* @param HANDLE hSurface
+* Handle to DirectDraw surface
+*
+* @param PDD_LOCKDATA puLockData
+* Structure with lock details
+*
+* @param HDC hdcClip
+* Reserved
+*
+* @return
+* Returns DDHAL_DRIVER_HANDLED or DDHAL_DRIVER_NOTHANDLED. 
+*
+* @remarks.
+* Missing lock data and error handling.
+*--*/
+DWORD
+NTAPI
+DxDdLock(HANDLE hSurface,
+         PDD_LOCKDATA puLockData,
+         HDC hdcClip)
+{
+    PEDD_SURFACE pSurface;
+    PEDD_DIRECTDRAW_LOCAL peDdL;
+    PEDD_DIRECTDRAW_GLOBAL peDdGl;
+    DD_MAPMEMORYDATA mapMemoryData;
+
+    pSurface = (PEDD_SURFACE)DdHmgLock(hSurface, ObjType_DDSURFACE_TYPE, TRUE);
+    peDdL = pSurface->peDirectDrawLocal;
+    peDdGl = peDdL->peDirectDrawGlobal2;
+
+    // Map memory if it's not already mapped and driver function is provided
+    if (!peDdL->isMemoryMapped && (peDdGl->ddCallbacks.dwFlags &
DDHAL_CB32_MAPMEMORY))
+    {
+        mapMemoryData.bMap = 1;
+        mapMemoryData.hProcess = (HANDLE)-1;
+        mapMemoryData.fpProcess = 0;
+        mapMemoryData.lpDD = (PDD_DIRECTDRAW_GLOBAL)peDdGl;
+
+        peDdGl->ddCallbacks.MapMemory(&mapMemoryData);
+
+        if (!mapMemoryData.ddRVal)
+        {
+            peDdL->isMemoryMapped = 1;
+            peDdL->fpProcess2 = mapMemoryData.fpProcess;
+        }
+    }
+
+    if (pSurface)
+    {
+        InterlockedExchangeAdd((LONG*)&pSurface->pobj.cExclusiveLock,
0xFFFFFFFF);
+    }
+
+    puLockData->ddRVal = DD_OK;
+
+    return DDHAL_DRIVER_HANDLED;
+}
+
+/*++
+* @name DxDdUnlock
+* @unimplemented
+*
+* The function DxDdUnlock releases the lock from specified surface
+*
+* @param HANDLE hSurface
+* Handle to DirectDraw surface
+*
+* @param PDD_UNLOCKDATA puUnlockData
+* Structure with lock details
+*
+* @return
+* Returns DDHAL_DRIVER_HANDLED or DDHAL_DRIVER_NOTHANDLED. 
+*
+* @remarks.
+* Stub
+*--*/
+DWORD
+NTAPI
+DxDdUnlock(HANDLE hSurface,
+           PDD_UNLOCKDATA puUnlockData)
+{
+    puUnlockData->ddRVal = DD_OK;
+
+    return DDHAL_DRIVER_HANDLED;
+}

Propchange: trunk/reactos/win32ss/reactx/dxg/ddsurf.c
------------------------------------------------------------------------------
    svn:eol-style = native

Modified: trunk/reactos/win32ss/reactx/dxg/dxg_driver.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/reactx/dxg/dxg_dri…
==============================================================================
--- trunk/reactos/win32ss/reactx/dxg/dxg_driver.h	[iso-8859-1] (original)
+++ trunk/reactos/win32ss/reactx/dxg/dxg_driver.h	[iso-8859-1] Sat Jun 24 13:53:22 2017
@@ -345,15 +345,6 @@
 
 DWORD
 NTAPI
-DxDdLock(
-    PVOID p1)
-{
-    TRACE();
-    return 0;
-}
-
-DWORD
-NTAPI
 DxDdLockD3D(
     PVOID p1,
     PVOID p2)
@@ -459,15 +450,6 @@
 DxDdUnattachSurface(
     PVOID p1,
     PVOID p2)
-{
-    TRACE();
-    return 0;
-}
-
-DWORD
-NTAPI
-DxDdUnlock(
-    PVOID p1)
 {
     TRACE();
     return 0;

Modified: trunk/reactos/win32ss/reactx/dxg/dxg_int.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/reactx/dxg/dxg_int…
==============================================================================
--- trunk/reactos/win32ss/reactx/dxg/dxg_int.h	[iso-8859-1] (original)
+++ trunk/reactos/win32ss/reactx/dxg/dxg_int.h	[iso-8859-1] Sat Jun 24 13:53:22 2017
@@ -202,6 +202,8 @@
 DWORD NTAPI DxDdReenableDirectDrawObject(HANDLE DdHandle, PVOID p2);
 DWORD NTAPI DxDdCanCreateSurface(HANDLE DdHandle, PDD_CANCREATESURFACEDATA SurfaceData);
 DWORD NTAPI DxDdCanCreateD3DBuffer(HANDLE DdHandle, PDD_CANCREATESURFACEDATA
SurfaceData);
+DWORD NTAPI DxDdLock(HANDLE hSurface, PDD_LOCKDATA puLockData, HDC hdcClip);
+DWORD NTAPI DxDdUnlock(HANDLE hSurface, PDD_UNLOCKDATA puUnlockData);
 
 
 /* Internal functions */