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  *
   9  * This library is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public
  11  * License as published by the Free Software Foundation; either
  12  * version 2.1 of the License, or (at your option) any later version.
  13  *
  14  * This library is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with this library; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  22  */
  23
  24 #include "config.h"
  25 #include "wined3d_private.h"
  26
  27 WINE_DEFAULT_DEBUG_CHANNEL(d3d_decl);
  28
  29 #define GLINFO_LOCATION This->wineD3DDevice->adapter->gl_info
  30
  31 static void dump_wined3dvertexelement(const WINED3DVERTEXELEMENT *element) {
  32     TRACE("     format: %s (%#x)\n", debug_d3dformat(element->format), element->format);
  33     TRACE(" input_slot: %u\n", element->input_slot);
  34     TRACE("     offset: %u\n", element->offset);
  35     TRACE("output_slot: %u\n", element->output_slot);
  36     TRACE("     method: %s (%#x)\n", debug_d3ddeclmethod(element->method), element->method);
  37     TRACE("      usage: %s (%#x)\n", debug_d3ddeclusage(element->usage), element->usage);
  38     TRACE("  usage_idx: %u\n", element->usage_idx);
  39 }
  40
  41 /* *******************************************
  42    IWineD3DVertexDeclaration IUnknown parts follow
  43    ******************************************* */
  44 static HRESULT WINAPI IWineD3DVertexDeclarationImpl_QueryInterface(IWineD3DVertexDeclaration *iface, REFIID riid, LPVOID *ppobj)
  45 {
  46     IWineD3DVertexDeclarationImpl *This = (IWineD3DVertexDeclarationImpl *)iface;
  47     TRACE("(%p)->(%s,%p)\n",This,debugstr_guid(riid),ppobj);
  48     if (IsEqualGUID(riid, &IID_IUnknown)
  49         || IsEqualGUID(riid, &IID_IWineD3DBase)
  50         || IsEqualGUID(riid, &IID_IWineD3DVertexDeclaration)){
  51         IUnknown_AddRef(iface);
  52         *ppobj = This;
  53         return S_OK;
  54     }
  55     *ppobj = NULL;
  56     return E_NOINTERFACE;
  57 }
  58
  59 static ULONG WINAPI IWineD3DVertexDeclarationImpl_AddRef(IWineD3DVertexDeclaration *iface) {
  60     IWineD3DVertexDeclarationImpl *This = (IWineD3DVertexDeclarationImpl *)iface;
  61     TRACE("(%p) : AddRef increasing from %d\n", This, This->ref);
  62     return InterlockedIncrement(&This->ref);
  63 }
  64
  65 static ULONG WINAPI IWineD3DVertexDeclarationImpl_Release(IWineD3DVertexDeclaration *iface) {
  66     IWineD3DVertexDeclarationImpl *This = (IWineD3DVertexDeclarationImpl *)iface;
  67     ULONG ref;
  68     TRACE("(%p) : Releasing from %d\n", This, This->ref);
  69     ref = InterlockedDecrement(&This->ref);
  70     if (ref == 0) {
  71         if(iface == This->wineD3DDevice->stateBlock->vertexDecl) {
  72             /* See comment in PixelShader::Release */
  73             IWineD3DDeviceImpl_MarkStateDirty(This->wineD3DDevice, STATE_VDECL);
  74         }
  75
  76         HeapFree(GetProcessHeap(), 0, This->elements);
  77         HeapFree(GetProcessHeap(), 0, This);
  78     }
  79     return ref;
  80 }
  81
  82 /* *******************************************
  83    IWineD3DVertexDeclaration parts follow
  84    ******************************************* */
  85
  86 static HRESULT WINAPI IWineD3DVertexDeclarationImpl_GetParent(IWineD3DVertexDeclaration *iface, IUnknown** parent){
  87     IWineD3DVertexDeclarationImpl *This = (IWineD3DVertexDeclarationImpl *)iface;
  88
  89     *parent= This->parent;
  90     IUnknown_AddRef(*parent);
  91     TRACE("(%p) : returning %p\n", This, *parent);
  92     return WINED3D_OK;
  93 }
  94
  95 static HRESULT WINAPI IWineD3DVertexDeclarationImpl_GetDevice(IWineD3DVertexDeclaration *iface, IWineD3DDevice** ppDevice) {
  96     IWineD3DVertexDeclarationImpl *This = (IWineD3DVertexDeclarationImpl *)iface;
  97     TRACE("(%p) : returning %p\n", This, This->wineD3DDevice);
  98
  99     *ppDevice = (IWineD3DDevice *) This->wineD3DDevice;
 100     IWineD3DDevice_AddRef(*ppDevice);
 101
 102     return WINED3D_OK;
 103 }
 104
 105 static BOOL declaration_element_valid_ffp(const WINED3DVERTEXELEMENT *element)
 106 {
 107     switch(element->usage)
 108     {
 109         case WINED3DDECLUSAGE_POSITION:
 110         case WINED3DDECLUSAGE_POSITIONT:
 111             switch(element->format)
 112             {
 113                 case WINED3DFMT_R32G32_FLOAT:
 114                 case WINED3DFMT_R32G32B32_FLOAT:
 115                 case WINED3DFMT_R32G32B32A32_FLOAT:
 116                 case WINED3DFMT_R16G16_SINT:
 117                 case WINED3DFMT_R16G16B16A16_SINT:
 118                 case WINED3DFMT_R16G16_FLOAT:
 119                 case WINED3DFMT_R16G16B16A16_FLOAT:
 120                     return TRUE;
 121                 default:
 122                     return FALSE;
 123             }
 124
 125         case WINED3DDECLUSAGE_BLENDWEIGHT:
 126             switch(element->format)
 127             {
 128                 case WINED3DFMT_R32_FLOAT:
 129                 case WINED3DFMT_R32G32_FLOAT:
 130                 case WINED3DFMT_R32G32B32_FLOAT:
 131                 case WINED3DFMT_R32G32B32A32_FLOAT:
 132                 case WINED3DFMT_A8R8G8B8:
 133                 case WINED3DFMT_R8G8B8A8_UINT:
 134                 case WINED3DFMT_R16G16_SINT:
 135                 case WINED3DFMT_R16G16B16A16_SINT:
 136                 case WINED3DFMT_R16G16_FLOAT:
 137                 case WINED3DFMT_R16G16B16A16_FLOAT:
 138                     return TRUE;
 139                 default:
 140                     return FALSE;
 141             }
 142
 143         case WINED3DDECLUSAGE_NORMAL:
 144             switch(element->format)
 145             {
 146                 case WINED3DFMT_R32G32B32_FLOAT:
 147                 case WINED3DFMT_R32G32B32A32_FLOAT:
 148                 case WINED3DFMT_R16G16B16A16_SINT:
 149                 case WINED3DFMT_R16G16B16A16_FLOAT:
 150                     return TRUE;
 151                 default:
 152                     return FALSE;
 153             }
 154
 155         case WINED3DDECLUSAGE_TEXCOORD:
 156             switch(element->format)
 157             {
 158                 case WINED3DFMT_R32_FLOAT:
 159                 case WINED3DFMT_R32G32_FLOAT:
 160                 case WINED3DFMT_R32G32B32_FLOAT:
 161                 case WINED3DFMT_R32G32B32A32_FLOAT:
 162                 case WINED3DFMT_R16G16_SINT:
 163                 case WINED3DFMT_R16G16B16A16_SINT:
 164                 case WINED3DFMT_R16G16_FLOAT:
 165                 case WINED3DFMT_R16G16B16A16_FLOAT:
 166                     return TRUE;
 167                 default:
 168                     return FALSE;
 169             }
 170
 171         case WINED3DDECLUSAGE_COLOR:
 172             switch(element->format)
 173             {
 174                 case WINED3DFMT_R32G32B32_FLOAT:
 175                 case WINED3DFMT_R32G32B32A32_FLOAT:
 176                 case WINED3DFMT_A8R8G8B8:
 177                 case WINED3DFMT_R8G8B8A8_UINT:
 178                 case WINED3DFMT_R16G16B16A16_SINT:
 179                 case WINED3DFMT_R8G8B8A8_UNORM:
 180                 case WINED3DFMT_R16G16B16A16_SNORM:
 181                 case WINED3DFMT_R16G16B16A16_UNORM:
 182                 case WINED3DFMT_R16G16B16A16_FLOAT:
 183                     return TRUE;
 184                 default:
 185                     return FALSE;
 186             }
 187
 188         default:
 189             return FALSE;
 190     }
 191 }
 192
 193 HRESULT vertexdeclaration_init(IWineD3DVertexDeclarationImpl *This,
 194         const WINED3DVERTEXELEMENT *elements, UINT element_count)
 195 {
 196     HRESULT hr = WINED3D_OK;
 197     unsigned int i;
 198     char isPreLoaded[MAX_STREAMS];
 199
 200     TRACE("(%p) : d3d version %d\n", This, ((IWineD3DImpl *)This->wineD3DDevice->wineD3D)->dxVersion);
 201     memset(isPreLoaded, 0, sizeof(isPreLoaded));
 202
 203     if (TRACE_ON(d3d_decl)) {
 204         for (i = 0; i < element_count; ++i) {
 205             dump_wined3dvertexelement(elements+i);
 206         }
 207     }
 208
 209     This->element_count = element_count;
 210     This->elements = HeapAlloc(GetProcessHeap(), 0, sizeof(*This->elements) * element_count);
 211     if (!This->elements)
 212     {
 213         ERR("Memory allocation failed\n");
 214         return WINED3DERR_OUTOFVIDEOMEMORY;
 215     }
 216
 217     /* Do some static analysis on the elements to make reading the declaration more comfortable
 218      * for the drawing code
 219      */
 220     This->num_streams = 0;
 221     This->position_transformed = FALSE;
 222     for (i = 0; i < element_count; ++i) {
 223         struct wined3d_vertex_declaration_element *e = &This->elements[i];
 224
 225         e->format_desc = getFormatDescEntry(elements[i].format, &This->wineD3DDevice->adapter->gl_info);
 226         e->ffp_valid = declaration_element_valid_ffp(&elements[i]);
 227         e->input_slot = elements[i].input_slot;
 228         e->offset = elements[i].offset;
 229         e->output_slot = elements[i].output_slot;
 230         e->method = elements[i].method;
 231         e->usage = elements[i].usage;
 232         e->usage_idx = elements[i].usage_idx;
 233
 234         if (e->usage == WINED3DDECLUSAGE_POSITIONT) This->position_transformed = TRUE;
 235
 236         /* Find the Streams used in the declaration. The vertex buffers have to be loaded
 237          * when drawing, but filter tesselation pseudo streams
 238          */
 239         if (e->input_slot >= MAX_STREAMS) continue;
 240
 241         if (!e->format_desc->gl_vtx_format)
 242         {
 243             FIXME("The application tries to use an unsupported format (%s), returning E_FAIL\n",
 244                     debug_d3dformat(elements[i].format));
 245             /* The caller will release the vdecl, which will free This->elements */
 246             return E_FAIL;
 247         }
 248
 249         if (e->offset & 0x3)
 250         {
 251             WARN("Declaration element %u is not 4 byte aligned(%u), returning E_FAIL\n", i, e->offset);
 252             return E_FAIL;
 253         }
 254
 255         if (!isPreLoaded[e->input_slot])
 256         {
 257             This->streams[This->num_streams] = e->input_slot;
 258             This->num_streams++;
 259             isPreLoaded[e->input_slot] = 1;
 260         }
 261
 262         if (elements[i].format == WINED3DFMT_R16G16_FLOAT || elements[i].format == WINED3DFMT_R16G16B16A16_FLOAT)
 263         {
 264             if (!GL_SUPPORT(ARB_HALF_FLOAT_VERTEX)) This->half_float_conv_needed = TRUE;
 265         }
 266     }
 267
 268     TRACE("Returning\n");
 269     return hr;
 270 }
 271
 272 const IWineD3DVertexDeclarationVtbl IWineD3DVertexDeclaration_Vtbl =
 273 {
 274     /* IUnknown */
 275     IWineD3DVertexDeclarationImpl_QueryInterface,
 276     IWineD3DVertexDeclarationImpl_AddRef,
 277     IWineD3DVertexDeclarationImpl_Release,
 278     /* IWineD3DVertexDeclaration */
 279     IWineD3DVertexDeclarationImpl_GetParent,
 280     IWineD3DVertexDeclarationImpl_GetDevice,
 281 };