1 /*
2  * Copyright 2011 Joakim Sindholt <opensource@zhasha.com>
3  * Copyright 2015 Patrick Rudolph <siro@das-labor.org>
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining a
6  * copy of this software and associated documentation files (the "Software"),
7  * to deal in the Software without restriction, including without limitation
8  * on the rights to use, copy, modify, merge, publish, distribute, sub
9  * license, and/or sell copies of the Software, and to permit persons to whom
10  * the Software is furnished to do so, subject to the following conditions:
11  *
12  * The above copyright notice and this permission notice (including the next
13  * paragraph) shall be included in all copies or substantial portions of the
14  * Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
19  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
20  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
21  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
22  * USE OR OTHER DEALINGS IN THE SOFTWARE. */
23 
24 #ifndef _NINE_BUFFER9_H_
25 #define _NINE_BUFFER9_H_
26 
27 #include "device9.h"
28 #include "nine_buffer_upload.h"
29 #include "nine_state.h"
30 #include "resource9.h"
31 #include "pipe/p_context.h"
32 #include "pipe/p_state.h"
33 #include "util/list.h"
34 
35 struct pipe_screen;
36 struct pipe_context;
37 struct pipe_transfer;
38 
39 struct NineTransfer {
40     struct pipe_transfer *transfer;
41     bool is_pipe_secondary;
42     struct nine_subbuffer *buf; /* NULL unless subbuffer are used */
43     bool should_destroy_buf; /* If the subbuffer should be destroyed */
44 };
45 
46 struct NineBuffer9
47 {
48     struct NineResource9 base;
49 
50     /* G3D */
51     struct NineTransfer *maps;
52     int nmaps, maxmaps;
53     UINT size;
54 
55     int16_t bind_count; /* to Device9->state.stream */
56     /* Whether only discard and nooverwrite were used so far
57      * for this buffer. Allows some optimization. */
58     boolean discard_nooverwrite_only;
59     boolean need_sync_if_nooverwrite;
60     struct nine_subbuffer *buf;
61 
62     /* Specific to managed buffers */
63     struct {
64         void *data;
65         boolean dirty;
66         struct pipe_box dirty_box;
67         struct list_head list; /* for update_buffers */
68         struct list_head list2; /* for managed_buffers */
69         unsigned pending_upload; /* for uploads */
70     } managed;
71 };
72 static inline struct NineBuffer9 *
NineBuffer9(void * data)73 NineBuffer9( void *data )
74 {
75     return (struct NineBuffer9 *)data;
76 }
77 
78 HRESULT
79 NineBuffer9_ctor( struct NineBuffer9 *This,
80                         struct NineUnknownParams *pParams,
81                         D3DRESOURCETYPE Type,
82                         DWORD Usage,
83                         UINT Size,
84                         D3DPOOL Pool );
85 
86 void
87 NineBuffer9_dtor( struct NineBuffer9 *This );
88 
89 struct pipe_resource *
90 NineBuffer9_GetResource( struct NineBuffer9 *This, unsigned *offset );
91 
92 HRESULT NINE_WINAPI
93 NineBuffer9_Lock( struct NineBuffer9 *This,
94                         UINT OffsetToLock,
95                         UINT SizeToLock,
96                         void **ppbData,
97                         DWORD Flags );
98 
99 HRESULT NINE_WINAPI
100 NineBuffer9_Unlock( struct NineBuffer9 *This );
101 
102 static inline void
NineBuffer9_Upload(struct NineBuffer9 * This)103 NineBuffer9_Upload( struct NineBuffer9 *This )
104 {
105     struct NineDevice9 *device = This->base.base.device;
106 
107     assert(This->base.pool == D3DPOOL_MANAGED && This->managed.dirty);
108     nine_context_range_upload(device, &This->managed.pending_upload,
109                               (struct NineUnknown *)This,
110                               This->base.resource,
111                               This->managed.dirty_box.x,
112                               This->managed.dirty_box.width,
113                               (char *)This->managed.data + This->managed.dirty_box.x);
114     This->managed.dirty = FALSE;
115 }
116 
117 static void inline
NineBindBufferToDevice(struct NineDevice9 * device,struct NineBuffer9 ** slot,struct NineBuffer9 * buf)118 NineBindBufferToDevice( struct NineDevice9 *device,
119                         struct NineBuffer9 **slot,
120                         struct NineBuffer9 *buf )
121 {
122     struct NineBuffer9 *old = *slot;
123 
124     if (buf) {
125         if ((buf->managed.dirty) && list_is_empty(&buf->managed.list))
126             list_add(&buf->managed.list, &device->update_buffers);
127         buf->bind_count++;
128     }
129     if (old) {
130         old->bind_count--;
131         if (!old->bind_count && old->managed.dirty)
132             list_delinit(&old->managed.list);
133     }
134 
135     nine_bind(slot, buf);
136 }
137 
138 void
139 NineBuffer9_SetDirty( struct NineBuffer9 *This );
140 
141 #define BASEBUF_REGISTER_UPDATE(b) { \
142     if ((b)->managed.dirty && (b)->bind_count) \
143         if (list_is_empty(&(b)->managed.list)) \
144             list_add(&(b)->managed.list, &(b)->base.base.device->update_buffers); \
145     }
146 
147 #endif /* _NINE_BUFFER9_H_ */
148