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Member "mesa-20.1.8/src/gallium/state_trackers/nine/buffer9.h" (16 Sep 2020, 4813 Bytes) of package /linux/misc/mesa-20.1.8.tar.xz:


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    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_ */