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.buffer = NineIndexBuffer9_GetResource(This);
  53     This->buffer.offset = 0;
  54
  55     switch (pDesc->Format) {
  56     case D3DFMT_INDEX16: This->buffer.index_size = 2; break;
  57     case D3DFMT_INDEX32: This->buffer.index_size = 4; break;
  58     default:
  59         user_assert(!"Invalid index format.", D3DERR_INVALIDCALL);
  60         break;
  61     }
  62     This->buffer.user_buffer = NULL;
  63
  64     pDesc->Type = D3DRTYPE_INDEXBUFFER;
  65     This->desc = *pDesc;
  66
  67     return D3D_OK;
  68 }
  69
  70 void
  71 NineIndexBuffer9_dtor( struct NineIndexBuffer9 *This )
  72 {
  73     NineBuffer9_dtor(&This->base);
  74 }
  75
  76 const struct pipe_index_buffer *
  77 NineIndexBuffer9_GetBuffer( struct NineIndexBuffer9 *This )
  78 {
  79     return &This->buffer;
  80 }
  81
  82 struct pipe_resource *
  83 NineIndexBuffer9_GetResource( struct NineIndexBuffer9 *This )
  84 {
  85     return NineBuffer9_GetResource(&This->base);
  86 }
  87
  88 HRESULT NINE_WINAPI
  89 NineIndexBuffer9_Lock( struct NineIndexBuffer9 *This,
  90                        UINT OffsetToLock,
  91                        UINT SizeToLock,
  92                        void **ppbData,
  93                        DWORD Flags )
  94 {
  95     return NineBuffer9_Lock(&This->base, OffsetToLock, SizeToLock, ppbData, Flags);
  96 }
  97
  98 HRESULT NINE_WINAPI
  99 NineIndexBuffer9_Unlock( struct NineIndexBuffer9 *This )
 100 {
 101     return NineBuffer9_Unlock(&This->base);
 102 }
 103
 104 HRESULT NINE_WINAPI
 105 NineIndexBuffer9_GetDesc( struct NineIndexBuffer9 *This,
 106                           D3DINDEXBUFFER_DESC *pDesc )
 107 {
 108     user_assert(pDesc, E_POINTER);
 109     *pDesc = This->desc;
 110     return D3D_OK;
 111 }
 112
 113 IDirect3DIndexBuffer9Vtbl NineIndexBuffer9_vtable = {
 114     (void *)NineUnknown_QueryInterface,
 115     (void *)NineUnknown_AddRef,
 116     (void *)NineUnknown_Release,
 117     (void *)NineUnknown_GetDevice, /* actually part of Resource9 iface */
 118     (void *)NineUnknown_SetPrivateData,
 119     (void *)NineUnknown_GetPrivateData,
 120     (void *)NineUnknown_FreePrivateData,
 121     (void *)NineResource9_SetPriority,
 122     (void *)NineResource9_GetPriority,
 123     (void *)NineResource9_PreLoad,
 124     (void *)NineResource9_GetType,
 125     (void *)NineIndexBuffer9_Lock,
 126     (void *)NineIndexBuffer9_Unlock,
 127     (void *)NineIndexBuffer9_GetDesc
 128 };
 129
 130 static const GUID *NineIndexBuffer9_IIDs[] = {
 131     &IID_IDirect3DIndexBuffer9,
 132     &IID_IDirect3DResource9,
 133     &IID_IUnknown,
 134     NULL
 135 };
 136
 137 HRESULT
 138 NineIndexBuffer9_new( struct NineDevice9 *pDevice,
 139                       D3DINDEXBUFFER_DESC *pDesc,
 140                       struct NineIndexBuffer9 **ppOut )
 141 {
 142     NINE_DEVICE_CHILD_NEW(IndexBuffer9, ppOut, /* args */ pDevice, pDesc);
 143 }