From b43517cb11aba375eefc2bdfdd1bc8c5e2328242 Mon Sep 17 00:00:00 2001
From: Toni Spets <toni.spets@iki.fi>
Date: Wed, 20 Oct 2010 18:45:27 +0300
Subject: [PATCH] Implement stub clipper

---
 Makefile  |  2 +-
 clipper.c | 88 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 clipper.h | 51 ++++++++++++++++++++++++++++++++
 main.c    |  7 ++++-
 main.h    |  2 +-
 5 files changed, 147 insertions(+), 3 deletions(-)
 create mode 100644 clipper.c
 create mode 100644 clipper.h

diff --git a/Makefile b/Makefile
index 5ea6a88..d199333 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 all:
-	i586-mingw32msvc-gcc -Wall -Wl,--enable-stdcall-fixup -shared -s -o ddraw.dll main.c palette.c surface.c ddraw.def -lgdi32 -lopengl32
+	i586-mingw32msvc-gcc -D_DEBUG -Wall -Wl,--enable-stdcall-fixup -shared -s -o ddraw.dll main.c palette.c surface.c clipper.c ddraw.def -lgdi32 -lopengl32
 
 clean:
 	rm -f ddraw.dll
diff --git a/clipper.c b/clipper.c
new file mode 100644
index 0000000..949c607
--- /dev/null
+++ b/clipper.c
@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 2010 Toni Spets <toni.spets@iki.fi>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <windows.h>
+#include <stdio.h>
+#include "clipper.h"
+
+/* from main */
+HRESULT null();
+
+HRESULT ddraw_clipper_QueryInterface(void *This, REFIID riid, void **obj)
+{
+    printf("DirectDrawClipper::QueryInterface(This=%p, riid=%08X, obj=%p)\n", This, (unsigned int)riid, obj);
+    return S_OK;
+}
+
+ULONG ddraw_clipper_AddRef(void *_This)
+{
+    fakeDirectDrawClipperObject *This = (fakeDirectDrawClipperObject *)_This;
+
+    printf("DirectDrawClipper::AddRef(This=%p)\n", This);
+
+    This->Ref++;
+
+    return This->Ref;
+}
+
+ULONG ddraw_clipper_Release(void *_This)
+{
+    fakeDirectDrawClipperObject *This = (fakeDirectDrawClipperObject *)_This;
+
+    printf("DirectDrawClipper::Release(This=%p)\n", This);
+
+    This->Ref--;
+
+    if(This->Ref == 0)
+    {
+        free(This);
+        return 0;
+    }
+
+    return This->Ref;
+}
+
+fakeDirectDrawClipper ciface =
+{
+    /* IUnknown */
+    ddraw_clipper_QueryInterface,
+    ddraw_clipper_AddRef,
+    ddraw_clipper_Release,
+    /* IDirectDrawClipper */
+    null, // ddraw_clipper_GetClipList
+    null, // ddraw_clipper_GetHWnd
+    null, // ddraw_clipper_Initialize
+    null, // ddraw_clipper_IsClipListChanged
+    null, // ddraw_clipper_SetClipList
+    null  // ddraw_clipper_SetHwnd
+};
+
+HRESULT ddraw_CreateClipper(void *_This, DWORD dwFlags, LPDIRECTDRAWCLIPPER FAR *lplpDDClipper, IUnknown FAR *pUnkOuter )
+{
+    fakeDirectDrawClipperObject *This = (fakeDirectDrawClipperObject *)_This;
+
+    printf("DirectDraw::CreateClipper(This=%p, dwFlags=%d, DDClipper=%p, unkOuter=%p)\n", This, (int)dwFlags, lplpDDClipper, pUnkOuter);
+
+    fakeDirectDrawClipperObject *Clipper = (fakeDirectDrawClipperObject *)malloc(sizeof(fakeDirectDrawClipperObject));
+    Clipper->Functions = &ciface;
+    printf(" Clipper = %p\n", Clipper);
+    *lplpDDClipper = (LPDIRECTDRAWCLIPPER)Clipper;
+
+    Clipper->Ref = 0;
+    ddraw_clipper_AddRef(Clipper);
+
+    return DD_OK;
+}
diff --git a/clipper.h b/clipper.h
new file mode 100644
index 0000000..72fbbe5
--- /dev/null
+++ b/clipper.h
@@ -0,0 +1,51 @@
+/*
+ * Copyright (c) 2010 Toni Spets <toni.spets@iki.fi>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef CLIPPER_H
+#define CLIPPER_H
+
+#include <windows.h>
+#include "ddraw.h"
+
+typedef struct
+{
+    /* IUnknown */
+    HRESULT (*QueryInterface)(void *, REFIID, void **);
+    ULONG (*AddRef)(void *);
+    ULONG (*Release)(void *);
+
+    /* IDirectDrawClipper */
+    HRESULT (*GetClipList)(void *, LPRECT, LPRGNDATA, LPDWORD);
+    HRESULT (*GetHWnd)(void *, HWND FAR *);
+    HRESULT (*Initialize)(void *, LPDIRECTDRAW, DWORD);
+    HRESULT (*IsClipListChanged)(void *, BOOL FAR *);
+    HRESULT (*SetClipList)(void *, LPRGNDATA,DWORD);
+    HRESULT (*SetHWnd)(void *, DWORD, HWND );
+} fakeDirectDrawClipper;
+
+typedef struct
+{
+    fakeDirectDrawClipper *Functions;
+
+    ULONG Ref;
+
+} fakeDirectDrawClipperObject;
+
+extern fakeDirectDrawClipper ciface;
+
+HRESULT ddraw_CreateClipper(void *_This, DWORD dwFlags, LPDIRECTDRAWCLIPPER FAR *lplpDDClipper, IUnknown FAR *pUnkOuter );
+
+#endif
diff --git a/main.c b/main.c
index d05bcf3..5de7f95 100644
--- a/main.c
+++ b/main.c
@@ -21,6 +21,7 @@
 #include "main.h"
 #include "palette.h"
 #include "surface.h"
+#include "clipper.h"
 
 HRESULT ddraw_GetCaps(void *This, LPDDCAPS lpDDDriverCaps, LPDDCAPS lpDDEmulCaps)
 {
@@ -131,7 +132,7 @@ fakeDirectDraw iface =
     ddraw_Release,
     /* IDirectDraw */
     null, //Compact,
-    null, //CreateClipper,
+    ddraw_CreateClipper,
     ddraw_CreatePalette,
     ddraw_CreateSurface,
     null, //DuplicateSurface,
@@ -154,6 +155,10 @@ fakeDirectDraw iface =
 
 HRESULT WINAPI DirectDrawCreate(GUID FAR* lpGUID, LPDIRECTDRAW FAR* lplpDD, IUnknown FAR* pUnkOuter) 
 {
+#if _DEBUG
+    freopen("stdout.txt", "w", stdout);
+#endif
+
     printf("DirectDrawCreate(lpGUID=%p, lplpDD=%p, pUnkOuter=%p)\n", lpGUID, lplpDD, pUnkOuter);
 
     fakeDirectDrawObject *This = (fakeDirectDrawObject *)malloc(sizeof(fakeDirectDrawObject));
diff --git a/main.h b/main.h
index 51ffd14..397ea56 100644
--- a/main.h
+++ b/main.h
@@ -31,7 +31,7 @@ typedef struct
 
     /* IDirectDraw */
     HRESULT (*Compact)(void *);
-    HRESULT (*CreateClipper)(void *);
+    HRESULT (*CreateClipper)(void *, DWORD, LPDIRECTDRAWCLIPPER FAR *, IUnknown FAR *);
     HRESULT (*CreatePalette)(void *, DWORD, LPPALETTEENTRY, LPDIRECTDRAWPALETTE FAR *, IUnknown FAR *);
     HRESULT (*CreateSurface)(void *, LPDDSURFACEDESC, LPDIRECTDRAWSURFACE FAR *, IUnknown FAR *);
     HRESULT (*DuplicateSurface)(void *);