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
35struct pipe_screen;
36struct pipe_context;
37struct pipe_transfer;
38
39struct 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
46struct 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};
72static inline struct NineBuffer9 *
73NineBuffer9( void *data )
74{
75    return (struct NineBuffer9 *)data;
76}
77
78HRESULT
79NineBuffer9_ctor( struct NineBuffer9 *This,
80                        struct NineUnknownParams *pParams,
81                        D3DRESOURCETYPE Type,
82                        DWORD Usage,
83                        UINT Size,
84                        D3DPOOL Pool );
85
86void
87NineBuffer9_dtor( struct NineBuffer9 *This );
88
89struct pipe_resource *
90NineBuffer9_GetResource( struct NineBuffer9 *This, unsigned *offset );
91
92HRESULT NINE_WINAPI
93NineBuffer9_Lock( struct NineBuffer9 *This,
94                        UINT OffsetToLock,
95                        UINT SizeToLock,
96                        void **ppbData,
97                        DWORD Flags );
98
99HRESULT NINE_WINAPI
100NineBuffer9_Unlock( struct NineBuffer9 *This );
101
102static inline void
103NineBuffer9_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
117static void inline
118NineBindBufferToDevice( 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
138void
139NineBuffer9_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