src/gallium/state_trackers/nine/indexbuffer9.c

   1 /*
   2  * Copyright 2011 Joakim Sindholt <opensource@zhasha.com>
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * on the rights to use, copy, modify, merge, publish, distribute, sub
   8  * license, and/or sell copies of the Software, and to permit persons to whom
   9  * the Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  18  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  21  * USE OR OTHER DEALINGS IN THE SOFTWARE. */
  22
  23 #include "indexbuffer9.h"
  24 #include "device9.h"
  25 #include "nine_helpers.h"
  26 #include "nine_pipe.h"
  27 #include "nine_dump.h"
  28
  29 #include "pipe/p_screen.h"
  30 #include "pipe/p_context.h"
  31 #include "pipe/p_state.h"
  32 #include "pipe/p_defines.h"
  33 #include "pipe/p_format.h"
  34 #include "util/u_box.h"
  35
  36 #define DBG_CHANNEL DBG_INDEXBUFFER
  37
  38 HRESULT
  39 NineIndexBuffer9_ctor( struct NineIndexBuffer9 *This,
  40                        struct NineUnknownParams *pParams,
  41                        D3DINDEXBUFFER_DESC *pDesc )
  42 {
  43     HRESULT hr;
  44     DBG("This=%p pParams=%p pDesc=%p Usage=%s\n",
  45          This, pParams, pDesc, nine_D3DUSAGE_to_str(pDesc->Usage));
  46
  47     hr = NineBuffer9_ctor(&This->base, pParams, D3DRTYPE_INDEXBUFFER,
  48                           pDesc->Usage, pDesc->Size, pDesc->Pool);
  49     if (FAILED(hr))
  50         return hr;
  51
  52     This->buffer = NULL;
  53     This->offset = 0;
  54
  55     switch (pDesc->Format) {
  56     case D3DFMT_INDEX16: This->index_size = 2; break;
  57     case D3DFMT_INDEX32: This->index_size = 4; break;
  58     default:
  59         user_assert(!"Invalid index format.", D3DERR_INVALIDCALL);
  60         break;
  61     }
  62
  63     pDesc->Type = D3DRTYPE_INDEXBUFFER;
  64     This->desc = *pDesc;
  65
  66     return D3D_OK;
  67 }
  68
  69 void
  70 NineIndexBuffer9_dtor( struct NineIndexBuffer9 *This )
  71 {
  72     NineBuffer9_dtor(&This->base);
  73 }
  74
  75 struct pipe_resource *
  76 NineIndexBuffer9_GetBuffer( struct NineIndexBuffer9 *This )
  77 {
  78     /* The resource may change */
  79     This->buffer = NineBuffer9_GetResource(&This->base, &This->offset);
  80     return This->buffer;
  81 }
  82
  83 HRESULT NINE_WINAPI
  84 NineIndexBuffer9_Lock( struct NineIndexBuffer9 *This,
  85                        UINT OffsetToLock,
  86                        UINT SizeToLock,
  87                        void **ppbData,
  88                        DWORD Flags )
  89 {
  90     return NineBuffer9_Lock(&This->base, OffsetToLock, SizeToLock, ppbData, Flags);
  91 }
  92
  93 HRESULT NINE_WINAPI
  94 NineIndexBuffer9_Unlock( struct NineIndexBuffer9 *This )
  95 {
  96     return NineBuffer9_Unlock(&This->base);
  97 }
  98
  99 HRESULT NINE_WINAPI
 100 NineIndexBuffer9_GetDesc( struct NineIndexBuffer9 *This,
 101                           D3DINDEXBUFFER_DESC *pDesc )
 102 {
 103     user_assert(pDesc, E_POINTER);
 104     *pDesc = This->desc;
 105     return D3D_OK;
 106 }
 107
 108 IDirect3DIndexBuffer9Vtbl NineIndexBuffer9_vtable = {
 109     (void *)NineUnknown_QueryInterface,
 110     (void *)NineUnknown_AddRef,
 111     (void *)NineUnknown_Release,
 112     (void *)NineUnknown_GetDevice, /* actually part of Resource9 iface */
 113     (void *)NineUnknown_SetPrivateData,
 114     (void *)NineUnknown_GetPrivateData,
 115     (void *)NineUnknown_FreePrivateData,
 116     (void *)NineResource9_SetPriority,
 117     (void *)NineResource9_GetPriority,
 118     (void *)NineResource9_PreLoad,
 119     (void *)NineResource9_GetType,
 120     (void *)NineIndexBuffer9_Lock,
 121     (void *)NineIndexBuffer9_Unlock,
 122     (void *)NineIndexBuffer9_GetDesc
 123 };
 124
 125 static const GUID *NineIndexBuffer9_IIDs[] = {
 126     &IID_IDirect3DIndexBuffer9,
 127     &IID_IDirect3DResource9,
 128     &IID_IUnknown,
 129     NULL
 130 };
 131
 132 HRESULT
 133 NineIndexBuffer9_new( struct NineDevice9 *pDevice,
 134                       D3DINDEXBUFFER_DESC *pDesc,
 135                       struct NineIndexBuffer9 **ppOut )
 136 {
 137     NINE_DEVICE_CHILD_NEW(IndexBuffer9, ppOut, /* args */ pDevice, pDesc);
 138 }