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_defines.h"
33 #include "pipe/p_state.h"
34 #include "util/list.h"
35 #include "util/u_box.h"
36 #include "util/u_upload_mgr.h"
37 
38 struct pipe_screen;
39 struct pipe_context;
40 struct pipe_transfer;
41 
42 struct NineTransfer {
43     struct pipe_transfer *transfer;
44     bool is_pipe_secondary;
45     struct nine_subbuffer *buf; /* NULL unless subbuffer are used */
46     bool should_destroy_buf; /* If the subbuffer should be destroyed */
47 };
48 
49 struct NineBuffer9
50 {
51     struct NineResource9 base;
52 
53     /* G3D */
54     struct NineTransfer *maps;
55     int nlocks, nmaps, maxmaps;
56     UINT size;
57 
58     int16_t bind_count; /* to Device9->state.stream */
59     /* Whether only discard and nooverwrite were used so far
60      * for this buffer. Allows some optimization. */
61     boolean discard_nooverwrite_only;
62     boolean need_sync_if_nooverwrite;
63     struct nine_subbuffer *buf;
64 
65     /* Specific to managed buffers */
66     struct {
67         void *data;
68         boolean dirty;
69         struct pipe_box dirty_box; /* region in the resource to update */
70         struct pipe_box upload_pending_regions; /* region with uploads pending */
71         struct list_head list; /* for update_buffers */
72         struct list_head list2; /* for managed_buffers */
73         unsigned pending_upload; /* for uploads */
74         /* SYSTEMMEM DYNAMIC */
75         bool can_unsynchronized; /* Whether the upload can use nooverwrite */
76         struct pipe_box valid_region; /* Region in the GPU buffer with valid content */
77         struct pipe_box required_valid_region; /* Region that needs to be valid right now. */
78         struct pipe_box filled_region; /* Region in the GPU buffer filled since last discard */
79         unsigned num_worker_thread_syncs;
80         unsigned frame_count_last_discard;
81     } managed;
82 };
83 static inline struct NineBuffer9 *
NineBuffer9(void * data)84 NineBuffer9( void *data )
85 {
86     return (struct NineBuffer9 *)data;
87 }
88 
89 HRESULT
90 NineBuffer9_ctor( struct NineBuffer9 *This,
91                         struct NineUnknownParams *pParams,
92                         D3DRESOURCETYPE Type,
93                         DWORD Usage,
94                         UINT Size,
95                         D3DPOOL Pool );
96 
97 void
98 NineBuffer9_dtor( struct NineBuffer9 *This );
99 
100 struct pipe_resource *
101 NineBuffer9_GetResource( struct NineBuffer9 *This, unsigned *offset );
102 
103 HRESULT NINE_WINAPI
104 NineBuffer9_Lock( struct NineBuffer9 *This,
105                         UINT OffsetToLock,
106                         UINT SizeToLock,
107                         void **ppbData,
108                         DWORD Flags );
109 
110 HRESULT NINE_WINAPI
111 NineBuffer9_Unlock( struct NineBuffer9 *This );
112 
113 void
114 NineBuffer9_Upload( struct NineBuffer9 *This );
115 
116 static void inline
NineBindBufferToDevice(struct NineDevice9 * device,struct NineBuffer9 ** slot,struct NineBuffer9 * buf)117 NineBindBufferToDevice( struct NineDevice9 *device,
118                         struct NineBuffer9 **slot,
119                         struct NineBuffer9 *buf )
120 {
121     struct NineBuffer9 *old = *slot;
122 
123     if (buf) {
124         if ((buf->managed.dirty) && list_is_empty(&buf->managed.list))
125             list_add(&buf->managed.list, &device->update_buffers);
126         buf->bind_count++;
127     }
128     if (old) {
129         old->bind_count--;
130         if (!old->bind_count && old->managed.dirty)
131             list_delinit(&old->managed.list);
132     }
133 
134     nine_bind(slot, buf);
135 }
136 
137 void
138 NineBuffer9_SetDirty( struct NineBuffer9 *This );
139 
140 #define BASEBUF_REGISTER_UPDATE(b) { \
141     if ((b)->managed.dirty && (b)->bind_count) \
142         if (list_is_empty(&(b)->managed.list)) \
143             list_add(&(b)->managed.list, &(b)->base.base.device->update_buffers); \
144     }
145 
146 #endif /* _NINE_BUFFER9_H_ */
147