git.oblomov.eu Git - wine/blob - 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         This->parent_ops->wined3d_object_destroyed(This->parent);
  78         HeapFree(GetProcessHeap(), 0, This);
  79     }
  80     return ref;
  81 }
  82
  83 /* *******************************************
  84    IWineD3DVertexDeclaration parts follow
  85    ******************************************* */
  86
  87 static HRESULT WINAPI IWineD3DVertexDeclarationImpl_GetParent(IWineD3DVertexDeclaration *iface, IUnknown** parent){
  88     IWineD3DVertexDeclarationImpl *This = (IWineD3DVertexDeclarationImpl *)iface;
  89
  90     *parent= This->parent;
  91     IUnknown_AddRef(*parent);
  92     TRACE("(%p) : returning %p\n", This, *parent);
  93     return WINED3D_OK;
  94 }
  95
  96 static HRESULT WINAPI IWineD3DVertexDeclarationImpl_GetDevice(IWineD3DVertexDeclaration *iface, IWineD3DDevice** ppDevice) {
  97     IWineD3DVertexDeclarationImpl *This = (IWineD3DVertexDeclarationImpl *)iface;
  98     TRACE("(%p) : returning %p\n", This, This->wineD3DDevice);
  99
 100     *ppDevice = (IWineD3DDevice *) This->wineD3DDevice;
 101     IWineD3DDevice_AddRef(*ppDevice);
 102
 103     return WINED3D_OK;
 104 }
 105
 106 static BOOL declaration_element_valid_ffp(const WINED3DVERTEXELEMENT *element)
 107 {
 108     switch(element->usage)
 109     {
 110         case WINED3DDECLUSAGE_POSITION:
 111         case WINED3DDECLUSAGE_POSITIONT:
 112             switch(element->format)
 113             {
 114                 case WINED3DFMT_R32G32_FLOAT:
 115                 case WINED3DFMT_R32G32B32_FLOAT:
 116                 case WINED3DFMT_R32G32B32A32_FLOAT:
 117                 case WINED3DFMT_R16G16_SINT:
 118                 case WINED3DFMT_R16G16B16A16_SINT:
 119                 case WINED3DFMT_R16G16_FLOAT:
 120                 case WINED3DFMT_R16G16B16A16_FLOAT:
 121                     return TRUE;
 122                 default:
 123                     return FALSE;
 124             }
 125
 126         case WINED3DDECLUSAGE_BLENDWEIGHT:
 127             switch(element->format)
 128             {
 129                 case WINED3DFMT_R32_FLOAT:
 130                 case WINED3DFMT_R32G32_FLOAT:
 131                 case WINED3DFMT_R32G32B32_FLOAT:
 132                 case WINED3DFMT_R32G32B32A32_FLOAT:
 133                 case WINED3DFMT_A8R8G8B8:
 134                 case WINED3DFMT_R8G8B8A8_UINT:
 135                 case WINED3DFMT_R16G16_SINT:
 136                 case WINED3DFMT_R16G16B16A16_SINT:
 137                 case WINED3DFMT_R16G16_FLOAT:
 138                 case WINED3DFMT_R16G16B16A16_FLOAT:
 139                     return TRUE;
 140                 default:
 141                     return FALSE;
 142             }
 143
 144         case WINED3DDECLUSAGE_NORMAL:
 145             switch(element->format)
 146             {
 147                 case WINED3DFMT_R32G32B32_FLOAT:
 148                 case WINED3DFMT_R32G32B32A32_FLOAT:
 149                 case WINED3DFMT_R16G16B16A16_SINT:
 150                 case WINED3DFMT_R16G16B16A16_FLOAT:
 151                     return TRUE;
 152                 default:
 153                     return FALSE;
 154             }
 155
 156         case WINED3DDECLUSAGE_TEXCOORD:
 157             switch(element->format)
 158             {
 159                 case WINED3DFMT_R32_FLOAT:
 160                 case WINED3DFMT_R32G32_FLOAT:
 161                 case WINED3DFMT_R32G32B32_FLOAT:
 162                 case WINED3DFMT_R32G32B32A32_FLOAT:
 163                 case WINED3DFMT_R16G16_SINT:
 164                 case WINED3DFMT_R16G16B16A16_SINT:
 165                 case WINED3DFMT_R16G16_FLOAT:
 166                 case WINED3DFMT_R16G16B16A16_FLOAT:
 167                     return TRUE;
 168                 default:
 169                     return FALSE;
 170             }
 171
 172         case WINED3DDECLUSAGE_COLOR:
 173             switch(element->format)
 174             {
 175                 case WINED3DFMT_R32G32B32_FLOAT:
 176                 case WINED3DFMT_R32G32B32A32_FLOAT:
 177                 case WINED3DFMT_A8R8G8B8:
 178                 case WINED3DFMT_R8G8B8A8_UINT:
 179                 case WINED3DFMT_R16G16B16A16_SINT:
 180                 case WINED3DFMT_R8G8B8A8_UNORM:
 181                 case WINED3DFMT_R16G16B16A16_SNORM:
 182                 case WINED3DFMT_R16G16B16A16_UNORM:
 183                 case WINED3DFMT_R16G16B16A16_FLOAT:
 184                     return TRUE;
 185                 default:
 186                     return FALSE;
 187             }
 188
 189         default:
 190             return FALSE;
 191     }
 192 }
 193
 194 static const IWineD3DVertexDeclarationVtbl IWineD3DVertexDeclaration_Vtbl =
 195 {
 196     /* IUnknown */
 197     IWineD3DVertexDeclarationImpl_QueryInterface,
 198     IWineD3DVertexDeclarationImpl_AddRef,
 199     IWineD3DVertexDeclarationImpl_Release,
 200     /* IWineD3DVertexDeclaration */
 201     IWineD3DVertexDeclarationImpl_GetParent,
 202     IWineD3DVertexDeclarationImpl_GetDevice,
 203 };
 204
 205 HRESULT vertexdeclaration_init(IWineD3DVertexDeclarationImpl *declaration, IWineD3DDeviceImpl *device,
 206         const WINED3DVERTEXELEMENT *elements, UINT element_count,
 207         IUnknown *parent, const struct wined3d_parent_ops *parent_ops)
 208 {
 209     const struct wined3d_gl_info *gl_info = &device->adapter->gl_info;
 210     WORD preloaded = 0; /* MAX_STREAMS, 16 */
 211     unsigned int i;
 212
 213     if (TRACE_ON(d3d_decl))
 214     {
 215         for (i = 0; i < element_count; ++i)
 216         {
 217             dump_wined3dvertexelement(elements + i);
 218         }
 219     }
 220
 221     declaration->lpVtbl = &IWineD3DVertexDeclaration_Vtbl;
 222     declaration->ref = 1;
 223     declaration->parent = parent;
 224     declaration->parent_ops = parent_ops;
 225     declaration->wineD3DDevice = device;
 226     declaration->elements = HeapAlloc(GetProcessHeap(), 0, sizeof(*declaration->elements) * element_count);
 227     if (!declaration->elements)
 228     {
 229         ERR("Failed to allocate elements memory.\n");
 230         return E_OUTOFMEMORY;
 231     }
 232     declaration->element_count = element_count;
 233
 234     /* Do some static analysis on the elements to make reading the
 235      * declaration more comfortable for the drawing code. */
 236     for (i = 0; i < element_count; ++i)
 237     {
 238         struct wined3d_vertex_declaration_element *e = &declaration->elements[i];
 239
 240         e->format_desc = getFormatDescEntry(elements[i].format, gl_info);
 241         e->ffp_valid = declaration_element_valid_ffp(&elements[i]);
 242         e->input_slot = elements[i].input_slot;
 243         e->offset = elements[i].offset;
 244         e->output_slot = elements[i].output_slot;
 245         e->method = elements[i].method;
 246         e->usage = elements[i].usage;
 247         e->usage_idx = elements[i].usage_idx;
 248
 249         if (e->usage == WINED3DDECLUSAGE_POSITIONT) declaration->position_transformed = TRUE;
 250
 251         /* Find the streams used in the declaration. The vertex buffers have
 252          * to be loaded when drawing, but filter tesselation pseudo streams. */
 253         if (e->input_slot >= MAX_STREAMS) continue;
 254
 255         if (!e->format_desc->gl_vtx_format)
 256         {
 257             FIXME("The application tries to use an unsupported format (%s), returning E_FAIL.\n",
 258                     debug_d3dformat(elements[i].format));
 259             HeapFree(GetProcessHeap(), 0, declaration->elements);
 260             return E_FAIL;
 261         }
 262
 263         if (e->offset & 0x3)
 264         {
 265             WARN("Declaration element %u is not 4 byte aligned(%u), returning E_FAIL.\n", i, e->offset);
 266             HeapFree(GetProcessHeap(), 0, declaration->elements);
 267             return E_FAIL;
 268         }
 269
 270         if (!(preloaded & (1 << e->input_slot)))
 271         {
 272             declaration->streams[declaration->num_streams] = e->input_slot;
 273             ++declaration->num_streams;
 274             preloaded |= 1 << e->input_slot;
 275         }
 276
 277         if (elements[i].format == WINED3DFMT_R16G16_FLOAT || elements[i].format == WINED3DFMT_R16G16B16A16_FLOAT)
 278         {
 279             if (!gl_info->supported[ARB_HALF_FLOAT_VERTEX]) declaration->half_float_conv_needed = TRUE;
 280         }
 281     }
 282
 283     return WINED3D_OK;
 284 }