dlls/wined3d/vertexdeclaration.c

   1 /*
   2  * vertex declaration implementation
   3  *
   4  * Copyright 2002-2005 Raphael Junqueira
   5  * Copyright 2004 Jason Edmeades
   6  * Copyright 2004 Christian Costa
   7  * Copyright 2005 Oliver Stieber
   8  * Copyright 2009 Henri Verbeet for CodeWeavers
   9  *
  10  * This library is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU Lesser General Public
  12  * License as published by the Free Software Foundation; either
  13  * version 2.1 of the License, or (at your option) any later version.
  14  *
  15  * This library is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18  * Lesser General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU Lesser General Public
  21  * License along with this library; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  23  */
  24
  25 #include "config.h"
  26 #include "wined3d_private.h"
  27
  28 WINE_DEFAULT_DEBUG_CHANNEL(d3d_decl);
  29
  30 static void dump_wined3dvertexelement(const WINED3DVERTEXELEMENT *element) {
  31     TRACE("     format: %s (%#x)\n", debug_d3dformat(element->format), element->format);
  32     TRACE(" input_slot: %u\n", element->input_slot);
  33     TRACE("     offset: %u\n", element->offset);
  34     TRACE("output_slot: %u\n", element->output_slot);
  35     TRACE("     method: %s (%#x)\n", debug_d3ddeclmethod(element->method), element->method);
  36     TRACE("      usage: %s (%#x)\n", debug_d3ddeclusage(element->usage), element->usage);
  37     TRACE("  usage_idx: %u\n", element->usage_idx);
  38 }
  39
  40 /* *******************************************
  41    IWineD3DVertexDeclaration IUnknown parts follow
  42    ******************************************* */
  43 static HRESULT WINAPI IWineD3DVertexDeclarationImpl_QueryInterface(IWineD3DVertexDeclaration *iface, REFIID riid, LPVOID *ppobj)
  44 {
  45     IWineD3DVertexDeclarationImpl *This = (IWineD3DVertexDeclarationImpl *)iface;
  46     TRACE("(%p)->(%s,%p)\n",This,debugstr_guid(riid),ppobj);
  47     if (IsEqualGUID(riid, &IID_IUnknown)
  48         || IsEqualGUID(riid, &IID_IWineD3DBase)
  49         || IsEqualGUID(riid, &IID_IWineD3DVertexDeclaration)){
  50         IUnknown_AddRef(iface);
  51         *ppobj = This;
  52         return S_OK;
  53     }
  54     *ppobj = NULL;
  55     return E_NOINTERFACE;
  56 }
  57
  58 static ULONG WINAPI IWineD3DVertexDeclarationImpl_AddRef(IWineD3DVertexDeclaration *iface) {
  59     IWineD3DVertexDeclarationImpl *This = (IWineD3DVertexDeclarationImpl *)iface;
  60     TRACE("(%p) : AddRef increasing from %d\n", This, This->ref);
  61     return InterlockedIncrement(&This->ref);
  62 }
  63
  64 static ULONG WINAPI IWineD3DVertexDeclarationImpl_Release(IWineD3DVertexDeclaration *iface) {
  65     IWineD3DVertexDeclarationImpl *This = (IWineD3DVertexDeclarationImpl *)iface;
  66     ULONG ref;
  67     TRACE("(%p) : Releasing from %d\n", This, This->ref);
  68     ref = InterlockedDecrement(&This->ref);
  69     if (!ref)
  70     {
  71         HeapFree(GetProcessHeap(), 0, This->elements);
  72         This->parent_ops->wined3d_object_destroyed(This->parent);
  73         HeapFree(GetProcessHeap(), 0, This);
  74     }
  75     return ref;
  76 }
  77
  78 /* *******************************************
  79    IWineD3DVertexDeclaration parts follow
  80    ******************************************* */
  81
  82 static HRESULT WINAPI IWineD3DVertexDeclarationImpl_GetParent(IWineD3DVertexDeclaration *iface, IUnknown** parent){
  83     IWineD3DVertexDeclarationImpl *This = (IWineD3DVertexDeclarationImpl *)iface;
  84
  85     *parent= This->parent;
  86     IUnknown_AddRef(*parent);
  87     TRACE("(%p) : returning %p\n", This, *parent);
  88     return WINED3D_OK;
  89 }
  90
  91 static HRESULT WINAPI IWineD3DVertexDeclarationImpl_GetDevice(IWineD3DVertexDeclaration *iface, IWineD3DDevice** ppDevice) {
  92     IWineD3DVertexDeclarationImpl *This = (IWineD3DVertexDeclarationImpl *)iface;
  93     TRACE("(%p) : returning %p\n", This, This->wineD3DDevice);
  94
  95     *ppDevice = (IWineD3DDevice *) This->wineD3DDevice;
  96     IWineD3DDevice_AddRef(*ppDevice);
  97
  98     return WINED3D_OK;
  99 }
 100
 101 static BOOL declaration_element_valid_ffp(const WINED3DVERTEXELEMENT *element)
 102 {
 103     switch(element->usage)
 104     {
 105         case WINED3DDECLUSAGE_POSITION:
 106         case WINED3DDECLUSAGE_POSITIONT:
 107             switch(element->format)
 108             {
 109                 case WINED3DFMT_R32G32_FLOAT:
 110                 case WINED3DFMT_R32G32B32_FLOAT:
 111                 case WINED3DFMT_R32G32B32A32_FLOAT:
 112                 case WINED3DFMT_R16G16_SINT:
 113                 case WINED3DFMT_R16G16B16A16_SINT:
 114                 case WINED3DFMT_R16G16_FLOAT:
 115                 case WINED3DFMT_R16G16B16A16_FLOAT:
 116                     return TRUE;
 117                 default:
 118                     return FALSE;
 119             }
 120
 121         case WINED3DDECLUSAGE_BLENDWEIGHT:
 122             switch(element->format)
 123             {
 124                 case WINED3DFMT_R32_FLOAT:
 125                 case WINED3DFMT_R32G32_FLOAT:
 126                 case WINED3DFMT_R32G32B32_FLOAT:
 127                 case WINED3DFMT_R32G32B32A32_FLOAT:
 128                 case WINED3DFMT_B8G8R8A8_UNORM:
 129                 case WINED3DFMT_R8G8B8A8_UINT:
 130                 case WINED3DFMT_R16G16_SINT:
 131                 case WINED3DFMT_R16G16B16A16_SINT:
 132                 case WINED3DFMT_R16G16_FLOAT:
 133                 case WINED3DFMT_R16G16B16A16_FLOAT:
 134                     return TRUE;
 135                 default:
 136                     return FALSE;
 137             }
 138
 139         case WINED3DDECLUSAGE_NORMAL:
 140             switch(element->format)
 141             {
 142                 case WINED3DFMT_R32G32B32_FLOAT:
 143                 case WINED3DFMT_R32G32B32A32_FLOAT:
 144                 case WINED3DFMT_R16G16B16A16_SINT:
 145                 case WINED3DFMT_R16G16B16A16_FLOAT:
 146                     return TRUE;
 147                 default:
 148                     return FALSE;
 149             }
 150
 151         case WINED3DDECLUSAGE_TEXCOORD:
 152             switch(element->format)
 153             {
 154                 case WINED3DFMT_R32_FLOAT:
 155                 case WINED3DFMT_R32G32_FLOAT:
 156                 case WINED3DFMT_R32G32B32_FLOAT:
 157                 case WINED3DFMT_R32G32B32A32_FLOAT:
 158                 case WINED3DFMT_R16G16_SINT:
 159                 case WINED3DFMT_R16G16B16A16_SINT:
 160                 case WINED3DFMT_R16G16_FLOAT:
 161                 case WINED3DFMT_R16G16B16A16_FLOAT:
 162                     return TRUE;
 163                 default:
 164                     return FALSE;
 165             }
 166
 167         case WINED3DDECLUSAGE_COLOR:
 168             switch(element->format)
 169             {
 170                 case WINED3DFMT_R32G32B32_FLOAT:
 171                 case WINED3DFMT_R32G32B32A32_FLOAT:
 172                 case WINED3DFMT_B8G8R8A8_UNORM:
 173                 case WINED3DFMT_R8G8B8A8_UINT:
 174                 case WINED3DFMT_R16G16B16A16_SINT:
 175                 case WINED3DFMT_R8G8B8A8_UNORM:
 176                 case WINED3DFMT_R16G16B16A16_SNORM:
 177                 case WINED3DFMT_R16G16B16A16_UNORM:
 178                 case WINED3DFMT_R16G16B16A16_FLOAT:
 179                     return TRUE;
 180                 default:
 181                     return FALSE;
 182             }
 183
 184         default:
 185             return FALSE;
 186     }
 187 }
 188
 189 static const IWineD3DVertexDeclarationVtbl IWineD3DVertexDeclaration_Vtbl =
 190 {
 191     /* IUnknown */
 192     IWineD3DVertexDeclarationImpl_QueryInterface,
 193     IWineD3DVertexDeclarationImpl_AddRef,
 194     IWineD3DVertexDeclarationImpl_Release,
 195     /* IWineD3DVertexDeclaration */
 196     IWineD3DVertexDeclarationImpl_GetParent,
 197     IWineD3DVertexDeclarationImpl_GetDevice,
 198 };
 199
 200 HRESULT vertexdeclaration_init(IWineD3DVertexDeclarationImpl *declaration, IWineD3DDeviceImpl *device,
 201         const WINED3DVERTEXELEMENT *elements, UINT element_count,
 202         IUnknown *parent, const struct wined3d_parent_ops *parent_ops)
 203 {
 204     const struct wined3d_gl_info *gl_info = &device->adapter->gl_info;
 205     WORD preloaded = 0; /* MAX_STREAMS, 16 */
 206     unsigned int i;
 207
 208     if (TRACE_ON(d3d_decl))
 209     {
 210         for (i = 0; i < element_count; ++i)
 211         {
 212             dump_wined3dvertexelement(elements + i);
 213         }
 214     }
 215
 216     declaration->lpVtbl = &IWineD3DVertexDeclaration_Vtbl;
 217     declaration->ref = 1;
 218     declaration->parent = parent;
 219     declaration->parent_ops = parent_ops;
 220     declaration->wineD3DDevice = device;
 221     declaration->elements = HeapAlloc(GetProcessHeap(), 0, sizeof(*declaration->elements) * element_count);
 222     if (!declaration->elements)
 223     {
 224         ERR("Failed to allocate elements memory.\n");
 225         return E_OUTOFMEMORY;
 226     }
 227     declaration->element_count = element_count;
 228
 229     /* Do some static analysis on the elements to make reading the
 230      * declaration more comfortable for the drawing code. */
 231     for (i = 0; i < element_count; ++i)
 232     {
 233         struct wined3d_vertex_declaration_element *e = &declaration->elements[i];
 234
 235         e->format_desc = getFormatDescEntry(elements[i].format, gl_info);
 236         e->ffp_valid = declaration_element_valid_ffp(&elements[i]);
 237         e->input_slot = elements[i].input_slot;
 238         e->offset = elements[i].offset;
 239         e->output_slot = elements[i].output_slot;
 240         e->method = elements[i].method;
 241         e->usage = elements[i].usage;
 242         e->usage_idx = elements[i].usage_idx;
 243
 244         if (e->usage == WINED3DDECLUSAGE_POSITIONT) declaration->position_transformed = TRUE;
 245
 246         /* Find the streams used in the declaration. The vertex buffers have
 247          * to be loaded when drawing, but filter tesselation pseudo streams. */
 248         if (e->input_slot >= MAX_STREAMS) continue;
 249
 250         if (!e->format_desc->gl_vtx_format)
 251         {
 252             FIXME("The application tries to use an unsupported format (%s), returning E_FAIL.\n",
 253                     debug_d3dformat(elements[i].format));
 254             HeapFree(GetProcessHeap(), 0, declaration->elements);
 255             return E_FAIL;
 256         }
 257
 258         if (e->offset & 0x3)
 259         {
 260             WARN("Declaration element %u is not 4 byte aligned(%u), returning E_FAIL.\n", i, e->offset);
 261             HeapFree(GetProcessHeap(), 0, declaration->elements);
 262             return E_FAIL;
 263         }
 264
 265         if (!(preloaded & (1 << e->input_slot)))
 266         {
 267             declaration->streams[declaration->num_streams] = e->input_slot;
 268             ++declaration->num_streams;
 269             preloaded |= 1 << e->input_slot;
 270         }
 271
 272         if (elements[i].format == WINED3DFMT_R16G16_FLOAT || elements[i].format == WINED3DFMT_R16G16B16A16_FLOAT)
 273         {
 274             if (!gl_info->supported[ARB_HALF_FLOAT_VERTEX]) declaration->half_float_conv_needed = TRUE;
 275         }
 276     }
 277
 278     return WINED3D_OK;
 279 }