src/gallium/state_trackers/nine/buffer9.h

   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 *
  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
 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
 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_ */