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 #define GLINFO_LOCATION This->wineD3DDevice->adapter->gl_info
  31
  32 static void dump_wined3dvertexelement(const WINED3DVERTEXELEMENT *element) {
  33     TRACE("     format: %s (%#x)\n", debug_d3dformat(element->format), element->format);
  34     TRACE(" input_slot: %u\n", element->input_slot);
  35     TRACE("     offset: %u\n", element->offset);
  36     TRACE("output_slot: %u\n", element->output_slot);
  37     TRACE("     method: %s (%#x)\n", debug_d3ddeclmethod(element->method), element->method);
  38     TRACE("      usage: %s (%#x)\n", debug_d3ddeclusage(element->usage), element->usage);
  39     TRACE("  usage_idx: %u\n", element->usage_idx);
  40 }
  41
  42 /* *******************************************
  43    IWineD3DVertexDeclaration IUnknown parts follow
  44    ******************************************* */
  45 static HRESULT WINAPI IWineD3DVertexDeclarationImpl_QueryInterface(IWineD3DVertexDeclaration *iface, REFIID riid, LPVOID *ppobj)
  46 {
  47     IWineD3DVertexDeclarationImpl *This = (IWineD3DVertexDeclarationImpl *)iface;
  48     TRACE("(%p)->(%s,%p)\n",This,debugstr_guid(riid),ppobj);
  49     if (IsEqualGUID(riid, &IID_IUnknown)
  50         || IsEqualGUID(riid, &IID_IWineD3DBase)
  51         || IsEqualGUID(riid, &IID_IWineD3DVertexDeclaration)){
  52         IUnknown_AddRef(iface);
  53         *ppobj = This;
  54         return S_OK;
  55     }
  56     *ppobj = NULL;
  57     return E_NOINTERFACE;
  58 }
  59
  60 static ULONG WINAPI IWineD3DVertexDeclarationImpl_AddRef(IWineD3DVertexDeclaration *iface) {
  61     IWineD3DVertexDeclarationImpl *This = (IWineD3DVertexDeclarationImpl *)iface;
  62     TRACE("(%p) : AddRef increasing from %d\n", This, This->ref);
  63     return InterlockedIncrement(&This->ref);
  64 }
  65
  66 static ULONG WINAPI IWineD3DVertexDeclarationImpl_Release(IWineD3DVertexDeclaration *iface) {
  67     IWineD3DVertexDeclarationImpl *This = (IWineD3DVertexDeclarationImpl *)iface;
  68     ULONG ref;
  69     TRACE("(%p) : Releasing from %d\n", This, This->ref);
  70     ref = InterlockedDecrement(&This->ref);
  71     if (!ref)
  72     {
  73         HeapFree(GetProcessHeap(), 0, This->elements);
  74         This->parent_ops->wined3d_object_destroyed(This->parent);
  75         HeapFree(GetProcessHeap(), 0, This);
  76     }
  77     return ref;
  78 }
  79
  80 /* *******************************************
  81    IWineD3DVertexDeclaration parts follow
  82    ******************************************* */
  83
  84 static HRESULT WINAPI IWineD3DVertexDeclarationImpl_GetParent(IWineD3DVertexDeclaration *iface, IUnknown** parent){
  85     IWineD3DVertexDeclarationImpl *This = (IWineD3DVertexDeclarationImpl *)iface;
  86
  87     *parent= This->parent;
  88     IUnknown_AddRef(*parent);
  89     TRACE("(%p) : returning %p\n", This, *parent);
  90     return WINED3D_OK;
  91 }
  92
  93 static HRESULT WINAPI IWineD3DVertexDeclarationImpl_GetDevice(IWineD3DVertexDeclaration *iface, IWineD3DDevice** ppDevice) {
  94     IWineD3DVertexDeclarationImpl *This = (IWineD3DVertexDeclarationImpl *)iface;
  95     TRACE("(%p) : returning %p\n", This, This->wineD3DDevice);
  96
  97     *ppDevice = (IWineD3DDevice *) This->wineD3DDevice;
  98     IWineD3DDevice_AddRef(*ppDevice);
  99
 100     return WINED3D_OK;
 101 }
 102
 103 static BOOL declaration_element_valid_ffp(const WINED3DVERTEXELEMENT *element)
 104 {
 105     switch(element->usage)
 106     {
 107         case WINED3DDECLUSAGE_POSITION:
 108         case WINED3DDECLUSAGE_POSITIONT:
 109             switch(element->format)
 110             {
 111                 case WINED3DFMT_R32G32_FLOAT:
 112                 case WINED3DFMT_R32G32B32_FLOAT:
 113                 case WINED3DFMT_R32G32B32A32_FLOAT:
 114                 case WINED3DFMT_R16G16_SINT:
 115                 case WINED3DFMT_R16G16B16A16_SINT:
 116                 case WINED3DFMT_R16G16_FLOAT:
 117                 case WINED3DFMT_R16G16B16A16_FLOAT:
 118                     return TRUE;
 119                 default:
 120                     return FALSE;
 121             }
 122
 123         case WINED3DDECLUSAGE_BLENDWEIGHT:
 124             switch(element->format)
 125             {
 126                 case WINED3DFMT_R32_FLOAT:
 127                 case WINED3DFMT_R32G32_FLOAT:
 128                 case WINED3DFMT_R32G32B32_FLOAT:
 129                 case WINED3DFMT_R32G32B32A32_FLOAT:
 130                 case WINED3DFMT_B8G8R8A8_UNORM:
 131                 case WINED3DFMT_R8G8B8A8_UINT:
 132                 case WINED3DFMT_R16G16_SINT:
 133                 case WINED3DFMT_R16G16B16A16_SINT:
 134                 case WINED3DFMT_R16G16_FLOAT:
 135                 case WINED3DFMT_R16G16B16A16_FLOAT:
 136                     return TRUE;
 137                 default:
 138                     return FALSE;
 139             }
 140
 141         case WINED3DDECLUSAGE_NORMAL:
 142             switch(element->format)
 143             {
 144                 case WINED3DFMT_R32G32B32_FLOAT:
 145                 case WINED3DFMT_R32G32B32A32_FLOAT:
 146                 case WINED3DFMT_R16G16B16A16_SINT:
 147                 case WINED3DFMT_R16G16B16A16_FLOAT:
 148                     return TRUE;
 149                 default:
 150                     return FALSE;
 151             }
 152
 153         case WINED3DDECLUSAGE_TEXCOORD:
 154             switch(element->format)
 155             {
 156                 case WINED3DFMT_R32_FLOAT:
 157                 case WINED3DFMT_R32G32_FLOAT:
 158                 case WINED3DFMT_R32G32B32_FLOAT:
 159                 case WINED3DFMT_R32G32B32A32_FLOAT:
 160                 case WINED3DFMT_R16G16_SINT:
 161                 case WINED3DFMT_R16G16B16A16_SINT:
 162                 case WINED3DFMT_R16G16_FLOAT:
 163                 case WINED3DFMT_R16G16B16A16_FLOAT:
 164                     return TRUE;
 165                 default:
 166                     return FALSE;
 167             }
 168
 169         case WINED3DDECLUSAGE_COLOR:
 170             switch(element->format)
 171             {
 172                 case WINED3DFMT_R32G32B32_FLOAT:
 173                 case WINED3DFMT_R32G32B32A32_FLOAT:
 174                 case WINED3DFMT_B8G8R8A8_UNORM:
 175                 case WINED3DFMT_R8G8B8A8_UINT:
 176                 case WINED3DFMT_R16G16B16A16_SINT:
 177                 case WINED3DFMT_R8G8B8A8_UNORM:
 178                 case WINED3DFMT_R16G16B16A16_SNORM:
 179                 case WINED3DFMT_R16G16B16A16_UNORM:
 180                 case WINED3DFMT_R16G16B16A16_FLOAT:
 181                     return TRUE;
 182                 default:
 183                     return FALSE;
 184             }
 185
 186         default:
 187             return FALSE;
 188     }
 189 }
 190
 191 static const IWineD3DVertexDeclarationVtbl IWineD3DVertexDeclaration_Vtbl =
 192 {
 193     /* IUnknown */
 194     IWineD3DVertexDeclarationImpl_QueryInterface,
 195     IWineD3DVertexDeclarationImpl_AddRef,
 196     IWineD3DVertexDeclarationImpl_Release,
 197     /* IWineD3DVertexDeclaration */
 198     IWineD3DVertexDeclarationImpl_GetParent,
 199     IWineD3DVertexDeclarationImpl_GetDevice,
 200 };
 201
 202 HRESULT vertexdeclaration_init(IWineD3DVertexDeclarationImpl *declaration, IWineD3DDeviceImpl *device,
 203         const WINED3DVERTEXELEMENT *elements, UINT element_count,
 204         IUnknown *parent, const struct wined3d_parent_ops *parent_ops)
 205 {
 206     const struct wined3d_gl_info *gl_info = &device->adapter->gl_info;
 207     WORD preloaded = 0; /* MAX_STREAMS, 16 */
 208     unsigned int i;
 209
 210     if (TRACE_ON(d3d_decl))
 211     {
 212         for (i = 0; i < element_count; ++i)
 213         {
 214             dump_wined3dvertexelement(elements + i);
 215         }
 216     }
 217
 218     declaration->lpVtbl = &IWineD3DVertexDeclaration_Vtbl;
 219     declaration->ref = 1;
 220     declaration->parent = parent;
 221     declaration->parent_ops = parent_ops;
 222     declaration->wineD3DDevice = device;
 223     declaration->elements = HeapAlloc(GetProcessHeap(), 0, sizeof(*declaration->elements) * element_count);
 224     if (!declaration->elements)
 225     {
 226         ERR("Failed to allocate elements memory.\n");
 227         return E_OUTOFMEMORY;
 228     }
 229     declaration->element_count = element_count;
 230
 231     /* Do some static analysis on the elements to make reading the
 232      * declaration more comfortable for the drawing code. */
 233     for (i = 0; i < element_count; ++i)
 234     {
 235         struct wined3d_vertex_declaration_element *e = &declaration->elements[i];
 236
 237         e->format_desc = getFormatDescEntry(elements[i].format, gl_info);
 238         e->ffp_valid = declaration_element_valid_ffp(&elements[i]);
 239         e->input_slot = elements[i].input_slot;
 240         e->offset = elements[i].offset;
 241         e->output_slot = elements[i].output_slot;
 242         e->method = elements[i].method;
 243         e->usage = elements[i].usage;
 244         e->usage_idx = elements[i].usage_idx;
 245
 246         if (e->usage == WINED3DDECLUSAGE_POSITIONT) declaration->position_transformed = TRUE;
 247
 248         /* Find the streams used in the declaration. The vertex buffers have
 249          * to be loaded when drawing, but filter tesselation pseudo streams. */
 250         if (e->input_slot >= MAX_STREAMS) continue;
 251
 252         if (!e->format_desc->gl_vtx_format)
 253         {
 254             FIXME("The application tries to use an unsupported format (%s), returning E_FAIL.\n",
 255                     debug_d3dformat(elements[i].format));
 256             HeapFree(GetProcessHeap(), 0, declaration->elements);
 257             return E_FAIL;
 258         }
 259
 260         if (e->offset & 0x3)
 261         {
 262             WARN("Declaration element %u is not 4 byte aligned(%u), returning E_FAIL.\n", i, e->offset);
 263             HeapFree(GetProcessHeap(), 0, declaration->elements);
 264             return E_FAIL;
 265         }
 266
 267         if (!(preloaded & (1 << e->input_slot)))
 268         {
 269             declaration->streams[declaration->num_streams] = e->input_slot;
 270             ++declaration->num_streams;
 271             preloaded |= 1 << e->input_slot;
 272         }
 273
 274         if (elements[i].format == WINED3DFMT_R16G16_FLOAT || elements[i].format == WINED3DFMT_R16G16B16A16_FLOAT)
 275         {
 276             if (!gl_info->supported[ARB_HALF_FLOAT_VERTEX]) declaration->half_float_conv_needed = TRUE;
 277         }
 278     }
 279
 280     return WINED3D_OK;
 281 }