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     /* if (pDesc->Usage & D3DUSAGE_TEXTAPI) { } */
  81
  82     info->height0 = 1;
  83     info->depth0 = 1;
  84     info->array_size = 1;
  85     info->last_level = 0;
  86     info->nr_samples = 0;
  87
  88     hr = NineResource9_ctor(&This->base, pParams, NULL, TRUE,
  89                             D3DRTYPE_VERTEXBUFFER, pDesc->Pool, pDesc->Usage);
  90     if (FAILED(hr))
  91         return hr;
  92
  93     pDesc->Type = D3DRTYPE_VERTEXBUFFER;
  94     pDesc->Format = D3DFMT_VERTEXDATA;
  95     This->desc = *pDesc;
  96
  97     return D3D_OK;
  98 }
  99
 100 void
 101 NineVertexBuffer9_dtor( struct NineVertexBuffer9 *This )
 102 {
 103     if (This->maps) {
 104         while (This->nmaps) {
 105             NineVertexBuffer9_Unlock(This);
 106         }
 107         FREE(This->maps);
 108     }
 109
 110     NineResource9_dtor(&This->base);
 111 }
 112
 113 HRESULT WINAPI
 114 NineVertexBuffer9_Lock( struct NineVertexBuffer9 *This,
 115                         UINT OffsetToLock,
 116                         UINT SizeToLock,
 117                         void **ppbData,
 118                         DWORD Flags )
 119 {
 120     struct pipe_box box;
 121     void *data;
 122     const unsigned usage = d3dlock_buffer_to_pipe_transfer_usage(Flags);
 123
 124     DBG("This=%p(pipe=%p) OffsetToLock=0x%x, SizeToLock=0x%x, Flags=0x%x\n",
 125         This, This->base.resource,
 126         OffsetToLock, SizeToLock, Flags);
 127
 128     user_assert(ppbData, E_POINTER);
 129     user_assert(!(Flags & ~(D3DLOCK_DISCARD |
 130                             D3DLOCK_DONOTWAIT |
 131                             D3DLOCK_NO_DIRTY_UPDATE |
 132                             D3DLOCK_NOSYSLOCK |
 133                             D3DLOCK_READONLY |
 134                             D3DLOCK_NOOVERWRITE)), D3DERR_INVALIDCALL);
 135
 136     if (This->nmaps == This->maxmaps) {
 137         struct pipe_transfer **newmaps =
 138             REALLOC(This->maps, sizeof(struct pipe_transfer *)*This->maxmaps,
 139                     sizeof(struct pipe_transfer *)*(This->maxmaps << 1));
 140         if (newmaps == NULL)
 141             return E_OUTOFMEMORY;
 142
 143         This->maxmaps <<= 1;
 144         This->maps = newmaps;
 145     }
 146
 147     if (SizeToLock == 0) {
 148         SizeToLock = This->desc.Size - OffsetToLock;
 149         user_warn(OffsetToLock != 0);
 150     }
 151
 152     u_box_1d(OffsetToLock, SizeToLock, &box);
 153
 154     data = This->pipe->transfer_map(This->pipe, This->base.resource, 0,
 155                                     usage, &box, &This->maps[This->nmaps]);
 156     if (!data) {
 157         DBG("pipe::transfer_map failed\n"
 158             " usage = %x\n"
 159             " box.x = %u\n"
 160             " box.width = %u\n",
 161             usage, box.x, box.width);
 162         /* not sure what to return, msdn suggests this */
 163         if (Flags & D3DLOCK_DONOTWAIT)
 164             return D3DERR_WASSTILLDRAWING;
 165         return D3DERR_INVALIDCALL;
 166     }
 167
 168     This->nmaps++;
 169     *ppbData = data;
 170
 171     return D3D_OK;
 172 }
 173
 174 HRESULT WINAPI
 175 NineVertexBuffer9_Unlock( struct NineVertexBuffer9 *This )
 176 {
 177     DBG("This=%p\n", This);
 178
 179     user_assert(This->nmaps > 0, D3DERR_INVALIDCALL);
 180     This->pipe->transfer_unmap(This->pipe, This->maps[--(This->nmaps)]);
 181     return D3D_OK;
 182 }
 183
 184 HRESULT WINAPI
 185 NineVertexBuffer9_GetDesc( struct NineVertexBuffer9 *This,
 186                            D3DVERTEXBUFFER_DESC *pDesc )
 187 {
 188     user_assert(pDesc, E_POINTER);
 189     *pDesc = This->desc;
 190     return D3D_OK;
 191 }
 192
 193 IDirect3DVertexBuffer9Vtbl NineVertexBuffer9_vtable = {
 194     (void *)NineUnknown_QueryInterface,
 195     (void *)NineUnknown_AddRef,
 196     (void *)NineUnknown_Release,
 197     (void *)NineUnknown_GetDevice, /* actually part of Resource9 iface */
 198     (void *)NineResource9_SetPrivateData,
 199     (void *)NineResource9_GetPrivateData,
 200     (void *)NineResource9_FreePrivateData,
 201     (void *)NineResource9_SetPriority,
 202     (void *)NineResource9_GetPriority,
 203     (void *)NineResource9_PreLoad,
 204     (void *)NineResource9_GetType,
 205     (void *)NineVertexBuffer9_Lock,
 206     (void *)NineVertexBuffer9_Unlock,
 207     (void *)NineVertexBuffer9_GetDesc
 208 };
 209
 210 static const GUID *NineVertexBuffer9_IIDs[] = {
 211     &IID_IDirect3DVertexBuffer9,
 212     &IID_IDirect3DResource9,
 213     &IID_IUnknown,
 214     NULL
 215 };
 216
 217 HRESULT
 218 NineVertexBuffer9_new( struct NineDevice9 *pDevice,
 219                        D3DVERTEXBUFFER_DESC *pDesc,
 220                        struct NineVertexBuffer9 **ppOut )
 221 {
 222     NINE_DEVICE_CHILD_NEW(VertexBuffer9, ppOut, /* args */ pDevice, pDesc);
 223 }