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 "resource9.h"
  29 #include "pipe/p_context.h"
  30 #include "pipe/p_state.h"
  31 #include "util/list.h"
  32
  33 struct pipe_screen;
  34 struct pipe_context;
  35 struct pipe_transfer;
  36
  37 struct NineTransfer {
  38     struct pipe_transfer *transfer;
  39     bool is_pipe_secondary;
  40 };
  41
  42 struct NineBuffer9
  43 {
  44     struct NineResource9 base;
  45
  46     /* G3D */
  47     struct NineTransfer *maps;
  48     int nmaps, maxmaps;
  49     UINT size;
  50
  51     int16_t bind_count; /* to Device9->state.stream */
  52
  53     /* Specific to managed buffers */
  54     struct {
  55         void *data;
  56         boolean dirty;
  57         struct pipe_box dirty_box;
  58         struct list_head list; /* for update_buffers */
  59         struct list_head list2; /* for managed_buffers */
  60     } managed;
  61 };
  62 static inline struct NineBuffer9 *
  63 NineBuffer9( void *data )
  64 {
  65     return (struct NineBuffer9 *)data;
  66 }
  67
  68 HRESULT
  69 NineBuffer9_ctor( struct NineBuffer9 *This,
  70                         struct NineUnknownParams *pParams,
  71                         D3DRESOURCETYPE Type,
  72                         DWORD Usage,
  73                         UINT Size,
  74                         D3DPOOL Pool );
  75
  76 void
  77 NineBuffer9_dtor( struct NineBuffer9 *This );
  78
  79 struct pipe_resource *
  80 NineBuffer9_GetResource( struct NineBuffer9 *This );
  81
  82 HRESULT NINE_WINAPI
  83 NineBuffer9_Lock( struct NineBuffer9 *This,
  84                         UINT OffsetToLock,
  85                         UINT SizeToLock,
  86                         void **ppbData,
  87                         DWORD Flags );
  88
  89 HRESULT NINE_WINAPI
  90 NineBuffer9_Unlock( struct NineBuffer9 *This );
  91
  92 static inline void
  93 NineBuffer9_Upload( struct NineBuffer9 *This )
  94 {
  95     struct pipe_context *pipe = NineDevice9_GetPipe(This->base.base.device);
  96
  97     assert(This->base.pool == D3DPOOL_MANAGED && This->managed.dirty);
  98     pipe->buffer_subdata(pipe, This->base.resource, 0,
  99                          This->managed.dirty_box.x,
 100                          This->managed.dirty_box.width,
 101                          (char *)This->managed.data + This->managed.dirty_box.x);
 102     This->managed.dirty = FALSE;
 103 }
 104
 105 static void inline
 106 NineBindBufferToDevice( struct NineDevice9 *device,
 107                         struct NineBuffer9 **slot,
 108                         struct NineBuffer9 *buf )
 109 {
 110     struct NineBuffer9 *old = *slot;
 111
 112     if (buf) {
 113         if ((buf->managed.dirty) && LIST_IS_EMPTY(&buf->managed.list))
 114             list_add(&buf->managed.list, &device->update_buffers);
 115         buf->bind_count++;
 116     }
 117     if (old)
 118         old->bind_count--;
 119
 120     nine_bind(slot, buf);
 121 }
 122
 123 void
 124 NineBuffer9_SetDirty( struct NineBuffer9 *This );
 125
 126 #define BASEBUF_REGISTER_UPDATE(b) { \
 127     if ((b)->managed.dirty && (b)->bind_count) \
 128         if (LIST_IS_EMPTY(&(b)->managed.list)) \
 129             list_add(&(b)->managed.list, &(b)->base.base.device->update_buffers); \
 130     }
 131
 132 #endif /* _NINE_BUFFER9_H_ */