From fd2311a6701367f3ed0a507e4df095ab1ef3f54d Mon Sep 17 00:00:00 2001
From: Magnus Olsen <magnus@greatlord.com>
Date: Sun, 30 Oct 2005 01:06:56 +0000
Subject: [PATCH] Implement Hal GetAvailableVidMem  and is it working in
 windows

svn path=/trunk/; revision=18864
---
 reactos/lib/ddraw/hal/ddraw.c  | 30 ++++++++++++++++++++++++++++++
 reactos/lib/ddraw/main/ddraw.c | 18 ++++++++++++++----
 reactos/lib/ddraw/rosdraw.h    |  8 ++++++++
 reactos/lib/ddraw/soft/ddraw.c |  7 +++++++
 4 files changed, 59 insertions(+), 4 deletions(-)

diff --git a/reactos/lib/ddraw/hal/ddraw.c b/reactos/lib/ddraw/hal/ddraw.c
index 3fb3a6f4566..63e117dcd95 100644
--- a/reactos/lib/ddraw/hal/ddraw.c
+++ b/reactos/lib/ddraw/hal/ddraw.c
@@ -354,3 +354,33 @@ VOID Hal_DirectDraw_Release (LPDIRECTDRAW7 iface)
 	if(This->DirectDrawGlobal.lpD3DGlobalDriverData)
 		HeapFree(GetProcessHeap(), 0, (PVOID)This->DirectDrawGlobal.lpD3DGlobalDriverData);
 }
+
+
+HRESULT Hal_DirectDraw_GetAvailableVidMem(LPDIRECTDRAW7 iface, LPDDSCAPS2 ddscaps,
+				   LPDWORD total, LPDWORD free)											   
+{
+	IDirectDrawImpl* This = (IDirectDrawImpl*)iface;
+	
+	DDHAL_GETAVAILDRIVERMEMORYDATA  mem;
+
+	if (!(This->DirectDrawGlobal.lpDDCBtmp->HALDDMiscellaneous.dwFlags & DDHAL_MISCCB32_GETAVAILDRIVERMEMORY)) 
+	{
+		return DDERR_NODRIVERSUPPORT;
+	}
+
+	mem.lpDD = &This->DirectDrawGlobal;	
+	if (This->DirectDrawGlobal.lpDDCBtmp->HALDDMiscellaneous.GetAvailDriverMemory(&mem) != DDHAL_DRIVER_HANDLED)
+	{
+	   return DDERR_NODRIVERSUPPORT;
+	}
+
+
+	ddscaps->dwCaps = mem.DDSCaps.dwCaps;
+	ddscaps->dwCaps2 = mem.ddsCapsEx.dwCaps2;
+    ddscaps->dwCaps3 = mem.ddsCapsEx.dwCaps3;
+	ddscaps->dwCaps4 = mem.ddsCapsEx.dwCaps4;
+	*total = mem.dwTotal;
+	*free = mem.dwFree;
+
+	return mem.ddRVal;
+}
diff --git a/reactos/lib/ddraw/main/ddraw.c b/reactos/lib/ddraw/main/ddraw.c
index db4a4a15d96..85ba6979856 100644
--- a/reactos/lib/ddraw/main/ddraw.c
+++ b/reactos/lib/ddraw/main/ddraw.c
@@ -352,7 +352,8 @@ HRESULT WINAPI Main_DirectDraw_GetDisplayMode(LPDIRECTDRAW7 iface, LPDDSURFACEDE
     DDCOLORKEY    ddckCKSrcOverlay;
     DDCOLORKEY    ddckCKSrcBlt;
 	*/
-
+    
+	
     RtlCopyMemory(&pDDSD->ddpfPixelFormat,&This->DirectDrawGlobal.vmiData.ddpfDisplay,sizeof(DDPIXELFORMAT));
     RtlCopyMemory(&pDDSD->ddsCaps,&This->DirectDrawGlobal.ddCaps,sizeof(DDCORECAPS));
 	
@@ -412,9 +413,18 @@ HRESULT WINAPI Main_DirectDraw_WaitForVerticalBlank(LPDIRECTDRAW7 iface, DWORD d
 
 HRESULT WINAPI Main_DirectDraw_GetAvailableVidMem(LPDIRECTDRAW7 iface, LPDDSCAPS2 ddscaps,
 				   LPDWORD total, LPDWORD free)											   
-{
-     
-   	DX_STUB;
+{	
+	DWORD ret;
+
+     if((ret = Hal_DirectDraw_GetAvailableVidMem (iface,ddscaps,total,free)) == DD_OK)
+		return ret;
+
+	if((ret = Hel_DirectDraw_GetAvailableVidMem (iface,ddscaps,total,free)) == DD_OK)
+		return ret;
+
+
+	return DDERR_NOTINITIALIZED;
+
 }
 												   
 HRESULT WINAPI Main_DirectDraw_GetSurfaceFromDC(LPDIRECTDRAW7 iface, HDC hdc,
diff --git a/reactos/lib/ddraw/rosdraw.h b/reactos/lib/ddraw/rosdraw.h
index 4e4cb5aceec..1294dc9c543 100644
--- a/reactos/lib/ddraw/rosdraw.h
+++ b/reactos/lib/ddraw/rosdraw.h
@@ -88,10 +88,18 @@ HRESULT Hal_DirectDraw_Initialize (LPDIRECTDRAW7 iface);
 HRESULT Hal_DirectDraw_SetCooperativeLevel (LPDIRECTDRAW7 iface);
 VOID Hal_DirectDraw_Release (LPDIRECTDRAW7 iface);
 
+HRESULT Hal_DirectDraw_GetAvailableVidMem(LPDIRECTDRAW7 iface, LPDDSCAPS2 ddscaps,
+				   LPDWORD total, LPDWORD free);											   
+
+
 HRESULT Hel_DirectDraw_Initialize (LPDIRECTDRAW7 iface);
 HRESULT Hel_DirectDraw_SetCooperativeLevel (LPDIRECTDRAW7 iface);
 VOID Hel_DirectDraw_Release (LPDIRECTDRAW7 iface);
 
+HRESULT Hel_DirectDraw_GetAvailableVidMem(LPDIRECTDRAW7 iface, LPDDSCAPS2 ddscaps,
+				   LPDWORD total, LPDWORD free);											   
+
+
 /*********** Macros ***********/
 
 #define DX_STUB \
diff --git a/reactos/lib/ddraw/soft/ddraw.c b/reactos/lib/ddraw/soft/ddraw.c
index fa83d26099d..a9a758f8429 100644
--- a/reactos/lib/ddraw/soft/ddraw.c
+++ b/reactos/lib/ddraw/soft/ddraw.c
@@ -24,3 +24,10 @@ HRESULT Hel_DirectDraw_SetCooperativeLevel (LPDIRECTDRAW7 iface)
 VOID Hel_DirectDraw_Release (LPDIRECTDRAW7 iface) 
 {
 }
+
+
+HRESULT Hel_DirectDraw_GetAvailableVidMem(LPDIRECTDRAW7 iface, LPDDSCAPS2 ddscaps,
+				   LPDWORD total, LPDWORD free)	
+{
+	DX_STUB;
+}