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     switch (pDesc->Format) {
  53     case D3DFMT_INDEX16: This->index_size = 2; break;
  54     case D3DFMT_INDEX32: This->index_size = 4; break;
  55     default:
  56         user_assert(!"Invalid index format.", D3DERR_INVALIDCALL);
  57         break;
  58     }
  59
  60     pDesc->Type = D3DRTYPE_INDEXBUFFER;
  61     This->desc = *pDesc;
  62
  63     return D3D_OK;
  64 }
  65
  66 void
  67 NineIndexBuffer9_dtor( struct NineIndexBuffer9 *This )
  68 {
  69     NineBuffer9_dtor(&This->base);
  70 }
  71
  72 struct pipe_resource *
  73 NineIndexBuffer9_GetBuffer( struct NineIndexBuffer9 *This, unsigned *offset )
  74 {
  75     /* The resource may change */
  76     return NineBuffer9_GetResource(&This->base, offset);
  77 }
  78
  79 HRESULT NINE_WINAPI
  80 NineIndexBuffer9_Lock( struct NineIndexBuffer9 *This,
  81                        UINT OffsetToLock,
  82                        UINT SizeToLock,
  83                        void **ppbData,
  84                        DWORD Flags )
  85 {
  86     return NineBuffer9_Lock(&This->base, OffsetToLock, SizeToLock, ppbData, Flags);
  87 }
  88
  89 HRESULT NINE_WINAPI
  90 NineIndexBuffer9_Unlock( struct NineIndexBuffer9 *This )
  91 {
  92     return NineBuffer9_Unlock(&This->base);
  93 }
  94
  95 HRESULT NINE_WINAPI
  96 NineIndexBuffer9_GetDesc( struct NineIndexBuffer9 *This,
  97                           D3DINDEXBUFFER_DESC *pDesc )
  98 {
  99     user_assert(pDesc, E_POINTER);
 100     *pDesc = This->desc;
 101     return D3D_OK;
 102 }
 103
 104 IDirect3DIndexBuffer9Vtbl NineIndexBuffer9_vtable = {
 105     (void *)NineUnknown_QueryInterface,
 106     (void *)NineUnknown_AddRef,
 107     (void *)NineUnknown_Release,
 108     (void *)NineUnknown_GetDevice, /* actually part of Resource9 iface */
 109     (void *)NineUnknown_SetPrivateData,
 110     (void *)NineUnknown_GetPrivateData,
 111     (void *)NineUnknown_FreePrivateData,
 112     (void *)NineResource9_SetPriority,
 113     (void *)NineResource9_GetPriority,
 114     (void *)NineResource9_PreLoad,
 115     (void *)NineResource9_GetType,
 116     (void *)NineIndexBuffer9_Lock,
 117     (void *)NineIndexBuffer9_Unlock,
 118     (void *)NineIndexBuffer9_GetDesc
 119 };
 120
 121 static const GUID *NineIndexBuffer9_IIDs[] = {
 122     &IID_IDirect3DIndexBuffer9,
 123     &IID_IDirect3DResource9,
 124     &IID_IUnknown,
 125     NULL
 126 };
 127
 128 HRESULT
 129 NineIndexBuffer9_new( struct NineDevice9 *pDevice,
 130                       D3DINDEXBUFFER_DESC *pDesc,
 131                       struct NineIndexBuffer9 **ppOut )
 132 {
 133     NINE_DEVICE_CHILD_NEW(IndexBuffer9, ppOut, /* args */ pDevice, pDesc);
 134 }