src/gallium/state_trackers/nine/vertexbuffer9.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 "vertexbuffer9.h"
  24 #include "device9.h"
  25 #include "nine_helpers.h"
  26 #include "nine_pipe.h"
  27
  28 #include "pipe/p_screen.h"
  29 #include "pipe/p_context.h"
  30 #include "pipe/p_state.h"
  31 #include "pipe/p_defines.h"
  32 #include "pipe/p_format.h"
  33 #include "util/u_box.h"
  34
  35 #define DBG_CHANNEL DBG_VERTEXBUFFER
  36
  37 HRESULT
  38 NineVertexBuffer9_ctor( struct NineVertexBuffer9 *This,
  39                         struct NineUnknownParams *pParams,
  40                         D3DVERTEXBUFFER_DESC *pDesc )
  41 {
  42     struct pipe_resource *info = &This->base.info;
  43     HRESULT hr;
  44
  45     DBG("This=%p Size=0x%x Usage=%x Pool=%u\n", This,
  46         pDesc->Size, pDesc->Usage, pDesc->Pool);
  47
  48     user_assert(pDesc->Pool != D3DPOOL_SCRATCH, D3DERR_INVALIDCALL);
  49
  50     This->maps = MALLOC(sizeof(struct pipe_transfer *));
  51     if (!This->maps)
  52         return E_OUTOFMEMORY;
  53     This->nmaps = 0;
  54     This->maxmaps = 1;
  55
  56     This->pipe = pParams->device->pipe;
  57
  58     info->screen = pParams->device->screen;
  59     info->target = PIPE_BUFFER;
  60     info->format = PIPE_FORMAT_R8_UNORM;
  61     info->width0 = pDesc->Size;
  62     info->flags = 0;
  63
  64     info->bind = PIPE_BIND_VERTEX_BUFFER | PIPE_BIND_TRANSFER_WRITE;
  65     if (!(pDesc->Usage & D3DUSAGE_WRITEONLY))
  66         info->bind |= PIPE_BIND_TRANSFER_READ;
  67
  68     info->usage = PIPE_USAGE_DEFAULT;
  69     if (pDesc->Usage & D3DUSAGE_DYNAMIC)
  70         info->usage = PIPE_USAGE_STREAM;
  71     if (pDesc->Pool == D3DPOOL_SYSTEMMEM)
  72         info->usage = PIPE_USAGE_STAGING;
  73
  74     /* if (pDesc->Usage & D3DUSAGE_DONOTCLIP) { } */
  75     /* if (pDesc->Usage & D3DUSAGE_NONSECURE) { } */
  76     /* if (pDesc->Usage & D3DUSAGE_NPATCHES) { } */
  77     /* if (pDesc->Usage & D3DUSAGE_POINTS) { } */
  78     /* if (pDesc->Usage & D3DUSAGE_RTPATCHES) { } */
  79     if (pDesc->Usage & D3DUSAGE_SOFTWAREPROCESSING)
  80         DBG("Application asked for Software Vertex Processing, "
  81             "but this is unimplemented\n");
  82     /* if (pDesc->Usage & D3DUSAGE_TEXTAPI) { } */
  83
  84     info->height0 = 1;
  85     info->depth0 = 1;
  86     info->array_size = 1;
  87     info->last_level = 0;
  88     info->nr_samples = 0;
  89
  90     hr = NineResource9_ctor(&This->base, pParams, NULL, TRUE,
  91                             D3DRTYPE_VERTEXBUFFER, pDesc->Pool, pDesc->Usage);
  92     if (FAILED(hr))
  93         return hr;
  94
  95     pDesc->Type = D3DRTYPE_VERTEXBUFFER;
  96     pDesc->Format = D3DFMT_VERTEXDATA;
  97     This->desc = *pDesc;
  98
  99     return D3D_OK;
 100 }
 101
 102 void
 103 NineVertexBuffer9_dtor( struct NineVertexBuffer9 *This )
 104 {
 105     if (This->maps) {
 106         while (This->nmaps) {
 107             NineVertexBuffer9_Unlock(This);
 108         }
 109         FREE(This->maps);
 110     }
 111
 112     NineResource9_dtor(&This->base);
 113 }
 114
 115 HRESULT WINAPI
 116 NineVertexBuffer9_Lock( struct NineVertexBuffer9 *This,
 117                         UINT OffsetToLock,
 118                         UINT SizeToLock,
 119                         void **ppbData,
 120                         DWORD Flags )
 121 {
 122     struct pipe_box box;
 123     void *data;
 124     const unsigned usage = d3dlock_buffer_to_pipe_transfer_usage(Flags);
 125
 126     DBG("This=%p(pipe=%p) OffsetToLock=0x%x, SizeToLock=0x%x, Flags=0x%x\n",
 127         This, This->base.resource,
 128         OffsetToLock, SizeToLock, Flags);
 129
 130     user_assert(ppbData, E_POINTER);
 131     user_assert(!(Flags & ~(D3DLOCK_DISCARD |
 132                             D3DLOCK_DONOTWAIT |
 133                             D3DLOCK_NO_DIRTY_UPDATE |
 134                             D3DLOCK_NOSYSLOCK |
 135                             D3DLOCK_READONLY |
 136                             D3DLOCK_NOOVERWRITE)), D3DERR_INVALIDCALL);
 137
 138     if (This->nmaps == This->maxmaps) {
 139         struct pipe_transfer **newmaps =
 140             REALLOC(This->maps, sizeof(struct pipe_transfer *)*This->maxmaps,
 141                     sizeof(struct pipe_transfer *)*(This->maxmaps << 1));
 142         if (newmaps == NULL)
 143             return E_OUTOFMEMORY;
 144
 145         This->maxmaps <<= 1;
 146         This->maps = newmaps;
 147     }
 148
 149     if (SizeToLock == 0) {
 150         SizeToLock = This->desc.Size - OffsetToLock;
 151         user_warn(OffsetToLock != 0);
 152     }
 153
 154     u_box_1d(OffsetToLock, SizeToLock, &box);
 155
 156     data = This->pipe->transfer_map(This->pipe, This->base.resource, 0,
 157                                     usage, &box, &This->maps[This->nmaps]);
 158     if (!data) {
 159         DBG("pipe::transfer_map failed\n"
 160             " usage = %x\n"
 161             " box.x = %u\n"
 162             " box.width = %u\n",
 163             usage, box.x, box.width);
 164         /* not sure what to return, msdn suggests this */
 165         if (Flags & D3DLOCK_DONOTWAIT)
 166             return D3DERR_WASSTILLDRAWING;
 167         return D3DERR_INVALIDCALL;
 168     }
 169
 170     This->nmaps++;
 171     *ppbData = data;
 172
 173     return D3D_OK;
 174 }
 175
 176 HRESULT WINAPI
 177 NineVertexBuffer9_Unlock( struct NineVertexBuffer9 *This )
 178 {
 179     DBG("This=%p\n", This);
 180
 181     user_assert(This->nmaps > 0, D3DERR_INVALIDCALL);
 182     This->pipe->transfer_unmap(This->pipe, This->maps[--(This->nmaps)]);
 183     return D3D_OK;
 184 }
 185
 186 HRESULT WINAPI
 187 NineVertexBuffer9_GetDesc( struct NineVertexBuffer9 *This,
 188                            D3DVERTEXBUFFER_DESC *pDesc )
 189 {
 190     user_assert(pDesc, E_POINTER);
 191     *pDesc = This->desc;
 192     return D3D_OK;
 193 }
 194
 195 IDirect3DVertexBuffer9Vtbl NineVertexBuffer9_vtable = {
 196     (void *)NineUnknown_QueryInterface,
 197     (void *)NineUnknown_AddRef,
 198     (void *)NineUnknown_Release,
 199     (void *)NineUnknown_GetDevice, /* actually part of Resource9 iface */
 200     (void *)NineResource9_SetPrivateData,
 201     (void *)NineResource9_GetPrivateData,
 202     (void *)NineResource9_FreePrivateData,
 203     (void *)NineResource9_SetPriority,
 204     (void *)NineResource9_GetPriority,
 205     (void *)NineResource9_PreLoad,
 206     (void *)NineResource9_GetType,
 207     (void *)NineVertexBuffer9_Lock,
 208     (void *)NineVertexBuffer9_Unlock,
 209     (void *)NineVertexBuffer9_GetDesc
 210 };
 211
 212 static const GUID *NineVertexBuffer9_IIDs[] = {
 213     &IID_IDirect3DVertexBuffer9,
 214     &IID_IDirect3DResource9,
 215     &IID_IUnknown,
 216     NULL
 217 };
 218
 219 HRESULT
 220 NineVertexBuffer9_new( struct NineDevice9 *pDevice,
 221                        D3DVERTEXBUFFER_DESC *pDesc,
 222                        struct NineVertexBuffer9 **ppOut )
 223 {
 224     NINE_DEVICE_CHILD_NEW(VertexBuffer9, ppOut, /* args */ pDevice, pDesc);
 225 }