1 /*
2 * Copyright 2011 Joakim Sindholt <opensource@zhasha.com>
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * on the rights to use, copy, modify, merge, publish, distribute, sub
8 * license, and/or sell copies of the Software, and to permit persons to whom
9 * the Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
21 * USE OR OTHER DEALINGS IN THE SOFTWARE. */
22
23 #ifndef _NINE_IUNKNOWN_H_
24 #define _NINE_IUNKNOWN_H_
25
26 #include "pipe/p_compiler.h"
27
28 #include "util/u_atomic.h"
29 #include "util/u_memory.h"
30
31 #include "guid.h"
32 #include "nine_flags.h"
33 #include "nine_debug.h"
34 #include "nine_quirk.h"
35
36 #include "d3d9.h"
37
38 struct Nine9;
39 struct NineDevice9;
40
41 struct NineUnknown
42 {
43 /* pointer to vtable (can be overriden outside gallium nine) */
44 void *vtable;
45 /* pointer to internal vtable */
46 void *vtable_internal;
47
48 int32_t refs; /* external reference count */
49 int32_t bind; /* internal bind count */
50 boolean forward; /* whether to forward references to the container */
51
52 /* container: for surfaces and volumes only.
53 * Can be a texture, a volume texture or a swapchain.
54 * forward is set to false for the swapchain case.
55 * If forward is set, refs are passed to the container if forward is set
56 * and the container has bind increased if the object has non null bind. */
57 struct NineUnknown *container;
58 struct NineDevice9 *device; /* referenced if (refs) */
59
60 const GUID **guids; /* for QueryInterface */
61
62 /* for [GS]etPrivateData/FreePrivateData */
63 struct util_hash_table *pdata;
64
65 void (*dtor)(void *data); /* top-level dtor */
66 };
67 static inline struct NineUnknown *
NineUnknown(void * data)68 NineUnknown( void *data )
69 {
70 return (struct NineUnknown *)data;
71 }
72
73 /* Use this instead of a shitload of arguments: */
74 struct NineUnknownParams
75 {
76 void *vtable;
77 const GUID **guids;
78 void (*dtor)(void *data);
79 struct NineUnknown *container;
80 struct NineDevice9 *device;
81 };
82
83 HRESULT
84 NineUnknown_ctor( struct NineUnknown *This,
85 struct NineUnknownParams *pParams );
86
87 void
88 NineUnknown_dtor( struct NineUnknown *This );
89
90 /*** Direct3D public methods ***/
91
92 HRESULT NINE_WINAPI
93 NineUnknown_QueryInterface( struct NineUnknown *This,
94 REFIID riid,
95 void **ppvObject );
96
97 ULONG NINE_WINAPI
98 NineUnknown_AddRef( struct NineUnknown *This );
99
100 ULONG NINE_WINAPI
101 NineUnknown_Release( struct NineUnknown *This );
102
103 ULONG NINE_WINAPI
104 NineUnknown_ReleaseWithDtorLock( struct NineUnknown *This );
105
106 HRESULT NINE_WINAPI
107 NineUnknown_GetDevice( struct NineUnknown *This,
108 IDirect3DDevice9 **ppDevice );
109
110 HRESULT NINE_WINAPI
111 NineUnknown_SetPrivateData( struct NineUnknown *This,
112 REFGUID refguid,
113 const void *pData,
114 DWORD SizeOfData,
115 DWORD Flags );
116
117 HRESULT NINE_WINAPI
118 NineUnknown_GetPrivateData( struct NineUnknown *This,
119 REFGUID refguid,
120 void *pData,
121 DWORD *pSizeOfData );
122
123 HRESULT NINE_WINAPI
124 NineUnknown_FreePrivateData( struct NineUnknown *This,
125 REFGUID refguid );
126
127 /*** Nine private methods ***/
128
129 static inline void
NineUnknown_Destroy(struct NineUnknown * This)130 NineUnknown_Destroy( struct NineUnknown *This )
131 {
132 assert(!(This->refs | This->bind));
133 This->dtor(This);
134 }
135
136 static inline UINT
NineUnknown_Bind(struct NineUnknown * This)137 NineUnknown_Bind( struct NineUnknown *This )
138 {
139 UINT b = p_atomic_inc_return(&This->bind);
140 assert(b);
141
142 if (b == 1 && This->forward)
143 NineUnknown_Bind(This->container);
144
145 return b;
146 }
147
148 static inline UINT
NineUnknown_Unbind(struct NineUnknown * This)149 NineUnknown_Unbind( struct NineUnknown *This )
150 {
151 UINT b = p_atomic_dec_return(&This->bind);
152
153 if (b == 0 && This->forward)
154 NineUnknown_Unbind(This->container);
155 else if (b == 0 && This->refs == 0 && !This->container)
156 This->dtor(This);
157
158 return b;
159 }
160
161 static inline void
NineUnknown_ConvertRefToBind(struct NineUnknown * This)162 NineUnknown_ConvertRefToBind( struct NineUnknown *This )
163 {
164 NineUnknown_Bind(This);
165 NineUnknown_Release(This);
166 }
167
168 /* Detach from container. */
169 static inline void
NineUnknown_Detach(struct NineUnknown * This)170 NineUnknown_Detach( struct NineUnknown *This )
171 {
172 assert(This->container && !This->forward);
173
174 This->container = NULL;
175 if (!(This->refs | This->bind))
176 This->dtor(This);
177 }
178
179 #endif /* _NINE_IUNKNOWN_H_ */
180