git.oblomov.eu Git - wine/blob - dlls/wined3d/drawprim.c

   1 /*
   2  * WINED3D draw functions
   3  *
   4  * Copyright 2002-2004 Jason Edmeades
   5  * Copyright 2002-2004 Raphael Junqueira
   6  * Copyright 2004 Christian Costa
   7  * Copyright 2005 Oliver Stieber
   8  * Copyright 2006 Henri Verbeet
   9  * Copyright 2007 Stefan Dösinger for CodeWeavers
  10  *
  11  * This library is free software; you can redistribute it and/or
  12  * modify it under the terms of the GNU Lesser General Public
  13  * License as published by the Free Software Foundation; either
  14  * version 2.1 of the License, or (at your option) any later version.
  15  *
  16  * This library is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  19  * Lesser General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU Lesser General Public
  22  * License along with this library; if not, write to the Free Software
  23  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  24  */
  25
  26 #include "config.h"
  27 #include "wined3d_private.h"
  28
  29 WINE_DEFAULT_DEBUG_CHANNEL(d3d_draw);
  30 #define GLINFO_LOCATION ((IWineD3DImpl *)(This->wineD3D))->gl_info
  31
  32 #include <stdio.h>
  33
  34 #if 0 /* TODO */
  35 extern IWineD3DVertexShaderImpl*            VertexShaders[64];
  36 extern IWineD3DVertexDeclarationImpl*       VertexShaderDeclarations[64];
  37 extern IWineD3DPixelShaderImpl*             PixelShaders[64];
  38
  39 #undef GL_VERSION_1_4 /* To be fixed, caused by mesa headers */
  40 #endif
  41
  42 /* Issues the glBegin call for gl given the primitive type and count */
  43 static DWORD primitiveToGl(WINED3DPRIMITIVETYPE PrimitiveType,
  44                     DWORD            NumPrimitives,
  45                     GLenum          *primType)
  46 {
  47     DWORD   NumVertexes = NumPrimitives;
  48
  49     switch (PrimitiveType) {
  50     case WINED3DPT_POINTLIST:
  51         TRACE("POINTS\n");
  52         *primType   = GL_POINTS;
  53         NumVertexes = NumPrimitives;
  54         break;
  55
  56     case WINED3DPT_LINELIST:
  57         TRACE("LINES\n");
  58         *primType   = GL_LINES;
  59         NumVertexes = NumPrimitives * 2;
  60         break;
  61
  62     case WINED3DPT_LINESTRIP:
  63         TRACE("LINE_STRIP\n");
  64         *primType   = GL_LINE_STRIP;
  65         NumVertexes = NumPrimitives + 1;
  66         break;
  67
  68     case WINED3DPT_TRIANGLELIST:
  69         TRACE("TRIANGLES\n");
  70         *primType   = GL_TRIANGLES;
  71         NumVertexes = NumPrimitives * 3;
  72         break;
  73
  74     case WINED3DPT_TRIANGLESTRIP:
  75         TRACE("TRIANGLE_STRIP\n");
  76         *primType   = GL_TRIANGLE_STRIP;
  77         NumVertexes = NumPrimitives + 2;
  78         break;
  79
  80     case WINED3DPT_TRIANGLEFAN:
  81         TRACE("TRIANGLE_FAN\n");
  82         *primType   = GL_TRIANGLE_FAN;
  83         NumVertexes = NumPrimitives + 2;
  84         break;
  85
  86     default:
  87         FIXME("Unhandled primitive\n");
  88         *primType    = GL_POINTS;
  89         break;
  90     }
  91     return NumVertexes;
  92 }
  93
  94 static BOOL fixed_get_input(
  95     BYTE usage, BYTE usage_idx,
  96     unsigned int* regnum) {
  97
  98     *regnum = -1;
  99
 100     /* Those positions must have the order in the
 101      * named part of the strided data */
 102
 103     if ((usage == WINED3DDECLUSAGE_POSITION || usage == WINED3DDECLUSAGE_POSITIONT) && usage_idx == 0)
 104         *regnum = 0;
 105     else if (usage == WINED3DDECLUSAGE_BLENDWEIGHT && usage_idx == 0)
 106         *regnum = 1;
 107     else if (usage == WINED3DDECLUSAGE_BLENDINDICES && usage_idx == 0)
 108         *regnum = 2;
 109     else if (usage == WINED3DDECLUSAGE_NORMAL && usage_idx == 0)
 110         *regnum = 3;
 111     else if (usage == WINED3DDECLUSAGE_PSIZE && usage_idx == 0)
 112         *regnum = 4;
 113     else if (usage == WINED3DDECLUSAGE_COLOR && usage_idx == 0)
 114         *regnum = 5;
 115     else if (usage == WINED3DDECLUSAGE_COLOR && usage_idx == 1)
 116         *regnum = 6;
 117     else if (usage == WINED3DDECLUSAGE_TEXCOORD && usage_idx < WINED3DDP_MAXTEXCOORD)
 118         *regnum = 7 + usage_idx;
 119     else if ((usage == WINED3DDECLUSAGE_POSITION || usage == WINED3DDECLUSAGE_POSITIONT) && usage_idx == 1)
 120         *regnum = 7 + WINED3DDP_MAXTEXCOORD;
 121     else if (usage == WINED3DDECLUSAGE_NORMAL && usage_idx == 1)
 122         *regnum = 8 + WINED3DDP_MAXTEXCOORD;
 123     else if (usage == WINED3DDECLUSAGE_TANGENT && usage_idx == 0)
 124         *regnum = 9 + WINED3DDP_MAXTEXCOORD;
 125     else if (usage == WINED3DDECLUSAGE_BINORMAL && usage_idx == 0)
 126         *regnum = 10 + WINED3DDP_MAXTEXCOORD;
 127     else if (usage == WINED3DDECLUSAGE_TESSFACTOR && usage_idx == 0)
 128         *regnum = 11 + WINED3DDP_MAXTEXCOORD;
 129     else if (usage == WINED3DDECLUSAGE_FOG && usage_idx == 0)
 130         *regnum = 12 + WINED3DDP_MAXTEXCOORD;
 131     else if (usage == WINED3DDECLUSAGE_DEPTH && usage_idx == 0)
 132         *regnum = 13 + WINED3DDP_MAXTEXCOORD;
 133     else if (usage == WINED3DDECLUSAGE_SAMPLE && usage_idx == 0)
 134         *regnum = 14 + WINED3DDP_MAXTEXCOORD;
 135
 136     if (*regnum < 0) {
 137         FIXME("Unsupported input stream [usage=%s, usage_idx=%u]\n",
 138             debug_d3ddeclusage(usage), usage_idx);
 139         return FALSE;
 140     }
 141     return TRUE;
 142 }
 143
 144 void primitiveDeclarationConvertToStridedData(
 145      IWineD3DDevice *iface,
 146      BOOL useVertexShaderFunction,
 147      WineDirect3DVertexStridedData *strided,
 148      BOOL *fixup) {
 149
 150      /* We need to deal with frequency data!*/
 151
 152     BYTE  *data    = NULL;
 153     IWineD3DDeviceImpl *This = (IWineD3DDeviceImpl *)iface;
 154     IWineD3DVertexDeclarationImpl* vertexDeclaration = (IWineD3DVertexDeclarationImpl *)This->stateBlock->vertexDecl;
 155     int i;
 156     WINED3DVERTEXELEMENT *element;
 157     DWORD stride;
 158     int reg;
 159     char isPreLoaded[MAX_STREAMS];
 160     DWORD preLoadStreams[MAX_STREAMS], numPreloadStreams = 0;
 161
 162     memset(isPreLoaded, 0, sizeof(isPreLoaded));
 163
 164     /* Translate the declaration into strided data */
 165     for (i = 0 ; i < vertexDeclaration->declarationWNumElements - 1; ++i) {
 166         GLint streamVBO = 0;
 167         BOOL stride_used;
 168         unsigned int idx;
 169
 170         element = vertexDeclaration->pDeclarationWine + i;
 171         TRACE("%p Element %p (%d of %d)\n", vertexDeclaration->pDeclarationWine,
 172             element,  i + 1, vertexDeclaration->declarationWNumElements - 1);
 173
 174         if (This->stateBlock->streamSource[element->Stream] == NULL)
 175             continue;
 176
 177         if (This->stateBlock->streamIsUP) {
 178             TRACE("Stream is up %d, %p\n", element->Stream, This->stateBlock->streamSource[element->Stream]);
 179             streamVBO = 0;
 180             data    = (BYTE *)This->stateBlock->streamSource[element->Stream];
 181         } else {
 182             TRACE("Stream isn't up %d, %p\n", element->Stream, This->stateBlock->streamSource[element->Stream]);
 183             if(!isPreLoaded[element->Stream]) {
 184                 preLoadStreams[numPreloadStreams] = element->Stream;
 185                 numPreloadStreams++;
 186                 isPreLoaded[element->Stream] = 1;
 187             }
 188             data    = IWineD3DVertexBufferImpl_GetMemory(This->stateBlock->streamSource[element->Stream], 0, &streamVBO);
 189             if(fixup) {
 190                 if( streamVBO != 0) *fixup = TRUE;
 191                 else if(*fixup && This->stateBlock->vertexShader == NULL) {
 192                     /* This may be bad with the fixed function pipeline */
 193                     FIXME("Missing fixed and unfixed vertices, expect graphics glitches\n");
 194                 }
 195             }
 196         }
 197         stride  = This->stateBlock->streamStride[element->Stream];
 198         data += element->Offset;
 199         reg = element->Reg;
 200
 201         TRACE("Offset %d Stream %d UsageIndex %d\n", element->Offset, element->Stream, element->UsageIndex);
 202
 203         if (useVertexShaderFunction)
 204             stride_used = vshader_get_input(This->stateBlock->vertexShader,
 205                 element->Usage, element->UsageIndex, &idx);
 206         else
 207             stride_used = fixed_get_input(element->Usage, element->UsageIndex, &idx);
 208
 209         if (stride_used) {
 210            TRACE("Loaded %s array %u [usage=%s, usage_idx=%u, "
 211                  "stream=%u, offset=%u, stride=%u, VBO=%u]\n",
 212                  useVertexShaderFunction? "shader": "fixed function", idx,
 213                  debug_d3ddeclusage(element->Usage), element->UsageIndex,
 214                  element->Stream, element->Offset, stride, streamVBO);
 215
 216            strided->u.input[idx].lpData = data;
 217            strided->u.input[idx].dwType = element->Type;
 218            strided->u.input[idx].dwStride = stride;
 219            strided->u.input[idx].VBO = streamVBO;
 220            strided->u.input[idx].streamNo = element->Stream;
 221            if (!useVertexShaderFunction) {
 222                if (element->Usage == WINED3DDECLUSAGE_POSITION)
 223                    strided->u.s.position_transformed = FALSE;
 224                else if (element->Usage == WINED3DDECLUSAGE_POSITIONT)
 225                    strided->u.s.position_transformed = TRUE;
 226            }
 227         }
 228     };
 229     /* Now call PreLoad on all the vertex buffers. In the very rare case
 230      * that the buffers stopps converting PreLoad will dirtify the VDECL again.
 231      * The vertex buffer can now use the strided structure in the device instead of finding its
 232      * own again.
 233      *
 234      * NULL streams won't be recorded in the array, UP streams won't be either. A stream is only
 235      * once in there.
 236      */
 237     for(i=0; i < numPreloadStreams; i++) {
 238             IWineD3DVertexBuffer_PreLoad(This->stateBlock->streamSource[preLoadStreams[i]]);
 239     }
 240 }
 241
 242 void primitiveConvertFVFtoOffset(DWORD thisFVF, DWORD stride, BYTE *data, WineDirect3DVertexStridedData *strided, GLint streamVBO, UINT streamNo) {
 243     int           numBlends;
 244     int           numTextures;
 245     int           textureNo;
 246     int           coordIdxInfo = 0x00;    /* Information on number of coords supplied */
 247     int           numCoords[8];           /* Holding place for WINED3DFVF_TEXTUREFORMATx  */
 248
 249     /* Either 3 or 4 floats depending on the FVF */
 250     /* FIXME: Can blending data be in a different stream to the position data?
 251           and if so using the fixed pipeline how do we handle it               */
 252     if (thisFVF & WINED3DFVF_POSITION_MASK) {
 253         strided->u.s.position.lpData    = data;
 254         strided->u.s.position.dwType    = WINED3DDECLTYPE_FLOAT3;
 255         strided->u.s.position.dwStride  = stride;
 256         strided->u.s.position.VBO       = streamVBO;
 257         strided->u.s.position.streamNo  = streamNo;
 258         data += 3 * sizeof(float);
 259         if (thisFVF & WINED3DFVF_XYZRHW) {
 260             strided->u.s.position.dwType = WINED3DDECLTYPE_FLOAT4;
 261             strided->u.s.position_transformed = TRUE;
 262             data += sizeof(float);
 263         } else
 264             strided->u.s.position_transformed = FALSE;
 265     }
 266
 267     /* Blending is numBlends * FLOATs followed by a DWORD for UBYTE4 */
 268     /** do we have to Check This->stateBlock->renderState[D3DRS_INDEXEDVERTEXBLENDENABLE] ? */
 269     numBlends = 1 + (((thisFVF & WINED3DFVF_XYZB5) - WINED3DFVF_XYZB1) >> 1);
 270     if(thisFVF & WINED3DFVF_LASTBETA_UBYTE4) numBlends--;
 271
 272     if ((thisFVF & WINED3DFVF_XYZB5 ) > WINED3DFVF_XYZRHW) {
 273         TRACE("Setting blend Weights to %p\n", data);
 274         strided->u.s.blendWeights.lpData    = data;
 275         strided->u.s.blendWeights.dwType    = WINED3DDECLTYPE_FLOAT1 + numBlends - 1;
 276         strided->u.s.blendWeights.dwStride  = stride;
 277         strided->u.s.blendWeights.VBO       = streamVBO;
 278         strided->u.s.blendWeights.streamNo  = streamNo;
 279         data += numBlends * sizeof(FLOAT);
 280
 281         if (thisFVF & WINED3DFVF_LASTBETA_UBYTE4) {
 282             strided->u.s.blendMatrixIndices.lpData = data;
 283             strided->u.s.blendMatrixIndices.dwType  = WINED3DDECLTYPE_UBYTE4;
 284             strided->u.s.blendMatrixIndices.dwStride= stride;
 285             strided->u.s.blendMatrixIndices.VBO     = streamVBO;
 286             strided->u.s.blendMatrixIndices.streamNo= streamNo;
 287             data += sizeof(DWORD);
 288         }
 289     }
 290
 291     /* Normal is always 3 floats */
 292     if (thisFVF & WINED3DFVF_NORMAL) {
 293         strided->u.s.normal.lpData    = data;
 294         strided->u.s.normal.dwType    = WINED3DDECLTYPE_FLOAT3;
 295         strided->u.s.normal.dwStride  = stride;
 296         strided->u.s.normal.VBO       = streamVBO;
 297         strided->u.s.normal.streamNo  = streamNo;
 298         data += 3 * sizeof(FLOAT);
 299     }
 300
 301     /* Pointsize is a single float */
 302     if (thisFVF & WINED3DFVF_PSIZE) {
 303         strided->u.s.pSize.lpData    = data;
 304         strided->u.s.pSize.dwType    = WINED3DDECLTYPE_FLOAT1;
 305         strided->u.s.pSize.dwStride  = stride;
 306         strided->u.s.pSize.VBO       = streamVBO;
 307         strided->u.s.pSize.streamNo  = streamNo;
 308         data += sizeof(FLOAT);
 309     }
 310
 311     /* Diffuse is 4 unsigned bytes */
 312     if (thisFVF & WINED3DFVF_DIFFUSE) {
 313         strided->u.s.diffuse.lpData    = data;
 314         strided->u.s.diffuse.dwType    = WINED3DDECLTYPE_SHORT4;
 315         strided->u.s.diffuse.dwStride  = stride;
 316         strided->u.s.diffuse.VBO       = streamVBO;
 317         strided->u.s.diffuse.streamNo  = streamNo;
 318         data += sizeof(DWORD);
 319     }
 320
 321     /* Specular is 4 unsigned bytes */
 322     if (thisFVF & WINED3DFVF_SPECULAR) {
 323         strided->u.s.specular.lpData    = data;
 324         strided->u.s.specular.dwType    = WINED3DDECLTYPE_SHORT4;
 325         strided->u.s.specular.dwStride  = stride;
 326         strided->u.s.specular.VBO       = streamVBO;
 327         strided->u.s.specular.streamNo  = streamNo;
 328         data += sizeof(DWORD);
 329     }
 330
 331     /* Texture coords */
 332     numTextures   = (thisFVF & WINED3DFVF_TEXCOUNT_MASK) >> WINED3DFVF_TEXCOUNT_SHIFT;
 333     coordIdxInfo  = (thisFVF & 0x00FF0000) >> 16; /* 16 is from definition of WINED3DFVF_TEXCOORDSIZE1, and is 8 (0-7 stages) * 2bits long */
 334
 335     /* numTextures indicates the number of texture coordinates supplied */
 336     /* However, the first set may not be for stage 0 texture - it all   */
 337     /*   depends on WINED3DTSS_TEXCOORDINDEX.                           */
 338     /* The number of bytes for each coordinate set is based off         */
 339     /*   WINED3DFVF_TEXCOORDSIZEn, which are the bottom 2 bits              */
 340
 341     /* So, for each supplied texture extract the coords */
 342     for (textureNo = 0; textureNo < numTextures; ++textureNo) {
 343
 344         strided->u.s.texCoords[textureNo].lpData    = data;
 345         strided->u.s.texCoords[textureNo].dwType    = WINED3DDECLTYPE_FLOAT1;
 346         strided->u.s.texCoords[textureNo].dwStride  = stride;
 347         strided->u.s.texCoords[textureNo].VBO       = streamVBO;
 348         strided->u.s.texCoords[textureNo].streamNo  = streamNo;
 349         numCoords[textureNo] = coordIdxInfo & 0x03;
 350
 351         /* Always one set */
 352         data += sizeof(float);
 353         if (numCoords[textureNo] != WINED3DFVF_TEXTUREFORMAT1) {
 354             strided->u.s.texCoords[textureNo].dwType = WINED3DDECLTYPE_FLOAT2;
 355             data += sizeof(float);
 356             if (numCoords[textureNo] != WINED3DFVF_TEXTUREFORMAT2) {
 357                 strided->u.s.texCoords[textureNo].dwType = WINED3DDECLTYPE_FLOAT3;
 358                 data += sizeof(float);
 359                 if (numCoords[textureNo] != WINED3DFVF_TEXTUREFORMAT3) {
 360                     strided->u.s.texCoords[textureNo].dwType = WINED3DDECLTYPE_FLOAT4;
 361                     data += sizeof(float);
 362                 }
 363             }
 364         }
 365         coordIdxInfo = coordIdxInfo >> 2; /* Drop bottom two bits */
 366     }
 367 }
 368
 369 void primitiveConvertToStridedData(IWineD3DDevice *iface, WineDirect3DVertexStridedData *strided, BOOL *fixup) {
 370     IWineD3DDeviceImpl *This = (IWineD3DDeviceImpl *) iface;
 371     GLint         streamVBO = 0;
 372     DWORD  stride  = This->stateBlock->streamStride[0];
 373     BYTE  *data    = NULL;
 374     DWORD  thisFVF = 0;
 375
 376     /* Retrieve appropriate FVF */
 377     thisFVF = This->stateBlock->fvf;
 378     /* Handle memory passed directly as well as vertex buffers */
 379     if (This->stateBlock->streamIsUP) {
 380         streamVBO = 0;
 381         data    = (BYTE *)This->stateBlock->streamSource[0];
 382     } else {
 383         /* The for loop should iterate through here only once per stream, so we don't need magic to prevent double loading
 384          * buffers
 385          */
 386         data = IWineD3DVertexBufferImpl_GetMemory(This->stateBlock->streamSource[0], 0, &streamVBO);
 387         if(fixup) {
 388             if(streamVBO != 0 ) *fixup = TRUE;
 389         }
 390     }
 391     VTRACE(("FVF for stream 0 is %lx\n", thisFVF));
 392
 393     /* Now convert the stream into pointers */
 394     primitiveConvertFVFtoOffset(thisFVF, stride, data, strided, streamVBO, 0);
 395
 396     /* Now call PreLoad on the vertex buffer. In the very rare case
 397      * that the buffers stopps converting PreLoad will dirtify the VDECL again.
 398      * The vertex buffer can now use the strided structure in the device instead of finding its
 399      * own again.
 400      */
 401     if(!This->stateBlock->streamIsUP) {
 402         IWineD3DVertexBuffer_PreLoad(This->stateBlock->streamSource[0]);
 403     }
 404 }
 405
 406 static void drawStridedFast(IWineD3DDevice *iface,UINT numberOfVertices, GLenum glPrimitiveType,
 407                      const void *idxData, short idxSize, ULONG minIndex, ULONG startIdx, ULONG startVertex) {
 408     IWineD3DDeviceImpl *This = (IWineD3DDeviceImpl *)iface;
 409
 410     if (idxSize != 0 /* This crashes sometimes!*/) {
 411         TRACE("(%p) : glElements(%x, %d, %d, ...)\n", This, glPrimitiveType, numberOfVertices, minIndex);
 412         idxData = idxData == (void *)-1 ? NULL : idxData;
 413 #if 1
 414         glDrawElements(glPrimitiveType, numberOfVertices, idxSize == 2 ? GL_UNSIGNED_SHORT : GL_UNSIGNED_INT,
 415                      (const char *)idxData+(idxSize * startIdx));
 416 #else /* using drawRangeElements may be faster */
 417
 418         glDrawRangeElements(glPrimitiveType, minIndex, minIndex + numberOfVertices - 1, numberOfVertices,
 419                       idxSize == 2 ? GL_UNSIGNED_SHORT : GL_UNSIGNED_INT,
 420                       (const char *)idxData+(idxSize * startIdx));
 421 #endif
 422         checkGLcall("glDrawRangeElements");
 423
 424     } else {
 425
 426         /* Note first is now zero as we shuffled along earlier */
 427         TRACE("(%p) : glDrawArrays(%x, 0, %d)\n", This, glPrimitiveType, numberOfVertices);
 428         glDrawArrays(glPrimitiveType, startVertex, numberOfVertices);
 429         checkGLcall("glDrawArrays");
 430
 431     }
 432
 433     return;
 434 }
 435
 436 /*
 437  * Actually draw using the supplied information.
 438  * Slower GL version which extracts info about each vertex in turn
 439  */
 440
 441 static void drawStridedSlow(IWineD3DDevice *iface, WineDirect3DVertexStridedData *sd,
 442                      UINT NumVertexes, GLenum glPrimType,
 443                      const void *idxData, short idxSize, ULONG minIndex, ULONG startIdx, ULONG startVertex) {
 444
 445     unsigned int               textureNo    = 0;
 446     unsigned int               texture_idx  = 0;
 447     const short               *pIdxBufS     = NULL;
 448     const long                *pIdxBufL     = NULL;
 449     LONG                       vx_index;
 450     float x  = 0.0f, y  = 0.0f, z = 0.0f;  /* x,y,z coordinates          */
 451     float rhw = 0.0f;                      /* rhw                        */
 452     DWORD diffuseColor = 0xFFFFFFFF;       /* Diffuse Color              */
 453     DWORD specularColor = 0;               /* Specular Color             */
 454     IWineD3DDeviceImpl *This = (IWineD3DDeviceImpl *)iface;
 455     UINT *streamOffset = This->stateBlock->streamOffset;
 456     LONG                       SkipnStrides = startVertex + This->stateBlock->loadBaseVertexIndex;
 457
 458     BYTE *texCoords[WINED3DDP_MAXTEXCOORD];
 459     BYTE *diffuse = NULL, *specular = NULL, *normal = NULL, *position = NULL;
 460
 461     TRACE("Using slow vertex array code\n");
 462
 463     /* Variable Initialization */
 464     if (idxSize != 0) {
 465         /* Immediate mode drawing can't make use of indices in a vbo - get the data from the index buffer.
 466          * If the index buffer has no vbo(not supported or other reason), or with user pointer drawing
 467          * idxData will be != NULL
 468          */
 469         if(idxData == NULL) {
 470             idxData = ((IWineD3DIndexBufferImpl *) This->stateBlock->pIndexData)->resource.allocatedMemory;
 471         }
 472
 473         if (idxSize == 2) pIdxBufS = (const short *) idxData;
 474         else pIdxBufL = (const long *) idxData;
 475     }
 476
 477     /* Adding the stream offset once is cheaper than doing it every iteration. Do not modify the strided data, it is a pointer
 478      * to the strided Data in the device and might be needed intact on the next draw
 479      */
 480     for (textureNo = 0, texture_idx = 0; textureNo < GL_LIMITS(texture_stages); ++textureNo) {
 481         if(sd->u.s.texCoords[textureNo].lpData) {
 482             texCoords[textureNo] = sd->u.s.texCoords[textureNo].lpData + streamOffset[sd->u.s.texCoords[textureNo].streamNo];
 483         } else {
 484             texCoords[textureNo] = NULL;
 485         }
 486     }
 487     if(sd->u.s.diffuse.lpData) {
 488         diffuse = sd->u.s.diffuse.lpData + streamOffset[sd->u.s.diffuse.streamNo];
 489     }
 490     if(sd->u.s.specular.lpData) {
 491         specular = sd->u.s.specular.lpData + streamOffset[sd->u.s.specular.streamNo];
 492     }
 493     if(sd->u.s.normal.lpData) {
 494         normal = sd->u.s.normal.lpData + streamOffset[sd->u.s.normal.streamNo];
 495     }
 496     if(sd->u.s.position.lpData) {
 497         position = sd->u.s.position.lpData + streamOffset[sd->u.s.position.streamNo];
 498     }
 499
 500     /* Start drawing in GL */
 501     VTRACE(("glBegin(%x)\n", glPrimType));
 502     glBegin(glPrimType);
 503
 504     /* Default settings for data that is not passed */
 505     if (sd->u.s.normal.lpData == NULL) {
 506         glNormal3f(0, 0, 1);
 507     }
 508     if(sd->u.s.diffuse.lpData != NULL) {
 509         glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
 510     }
 511     if(sd->u.s.specular.lpData != NULL) {
 512         if (GL_SUPPORT(EXT_SECONDARY_COLOR)) {
 513             GL_EXTCALL(glSecondaryColor3fEXT)(0, 0, 0);
 514         }
 515     }
 516
 517     /* We shouldn't start this function if any VBO is involved. Should I put a safety check here?
 518      * Guess it's not necessary(we crash then anyway) and would only eat CPU time
 519      */
 520
 521     /* For each primitive */
 522     for (vx_index = 0; vx_index < NumVertexes; ++vx_index) {
 523
 524         /* Initialize diffuse color */
 525         diffuseColor = 0xFFFFFFFF;
 526
 527         /* Blending data and Point sizes are not supported by this function. They are not supported by the fixed
 528          * function pipeline at all. A Fixme for them is printed after decoding the vertex declaration
 529          */
 530
 531         /* For indexed data, we need to go a few more strides in */
 532         if (idxData != NULL) {
 533
 534             /* Indexed so work out the number of strides to skip */
 535             if (idxSize == 2) {
 536                 VTRACE(("Idx for vertex %d = %d\n", vx_index, pIdxBufS[startIdx+vx_index]));
 537                 SkipnStrides = pIdxBufS[startIdx + vx_index] + This->stateBlock->loadBaseVertexIndex;
 538             } else {
 539                 VTRACE(("Idx for vertex %d = %d\n", vx_index, pIdxBufL[startIdx+vx_index]));
 540                 SkipnStrides = pIdxBufL[startIdx + vx_index] + This->stateBlock->loadBaseVertexIndex;
 541             }
 542         }
 543
 544         /* Texture coords --------------------------- */
 545         for (textureNo = 0, texture_idx = 0; textureNo < GL_LIMITS(texture_stages); ++textureNo) {
 546
 547             if (!GL_SUPPORT(ARB_MULTITEXTURE) && textureNo > 0) {
 548                 FIXME("Program using multiple concurrent textures which this opengl implementation doesn't support\n");
 549                 continue ;
 550             }
 551
 552             /* Query tex coords */
 553             if (This->stateBlock->textures[textureNo] != NULL) {
 554
 555                 int    coordIdx = This->stateBlock->textureState[textureNo][WINED3DTSS_TEXCOORDINDEX];
 556                 float *ptrToCoords = NULL;
 557                 float  s = 0.0, t = 0.0, r = 0.0, q = 0.0;
 558
 559                 if (coordIdx > 7) {
 560                     VTRACE(("tex: %d - Skip tex coords, as being system generated\n", textureNo));
 561                     ++texture_idx;
 562                     continue;
 563                 } else if (coordIdx < 0) {
 564                     FIXME("tex: %d - Coord index %d is less than zero, expect a crash.\n", textureNo, coordIdx);
 565                     ++texture_idx;
 566                     continue;
 567                 }
 568
 569                 ptrToCoords = (float *)(texCoords[coordIdx] + (SkipnStrides * sd->u.s.texCoords[coordIdx].dwStride));
 570                 if (texCoords[coordIdx] == NULL) {
 571                     TRACE("tex: %d - Skipping tex coords, as no data supplied\n", textureNo);
 572                     ++texture_idx;
 573                     continue;
 574                 } else {
 575
 576                     int coordsToUse = sd->u.s.texCoords[coordIdx].dwType + 1; /* 0 == WINED3DDECLTYPE_FLOAT1 etc */
 577
 578                     /* The coords to supply depend completely on the fvf / vertex shader */
 579                     switch (coordsToUse) {
 580                     case 4: q = ptrToCoords[3]; /* drop through */
 581                     case 3: r = ptrToCoords[2]; /* drop through */
 582                     case 2: t = ptrToCoords[1]; /* drop through */
 583                     case 1: s = ptrToCoords[0];
 584                     }
 585
 586                     /* Projected is more 'fun' - Move the last coord to the 'q'
 587                           parameter (see comments under WINED3DTSS_TEXTURETRANSFORMFLAGS */
 588                     if ((This->stateBlock->textureState[textureNo][WINED3DTSS_TEXTURETRANSFORMFLAGS] != WINED3DTTFF_DISABLE) &&
 589                         (This->stateBlock->textureState[textureNo][WINED3DTSS_TEXTURETRANSFORMFLAGS] & WINED3DTTFF_PROJECTED)) {
 590
 591                         if (This->stateBlock->textureState[textureNo][WINED3DTSS_TEXTURETRANSFORMFLAGS] & WINED3DTTFF_PROJECTED) {
 592                             switch (coordsToUse) {
 593                             case 0:  /* Drop Through */
 594                             case 1:
 595                                 FIXME("WINED3DTTFF_PROJECTED but only zero or one coordinate?\n");
 596                                 break;
 597                             case 2:
 598                                 q = t;
 599                                 t = 0.0;
 600                                 coordsToUse = 4;
 601                                 break;
 602                             case 3:
 603                                 q = r;
 604                                 r = 0.0;
 605                                 coordsToUse = 4;
 606                                 break;
 607                             case 4:  /* Nop here */
 608                                 break;
 609                             default:
 610                                 FIXME("Unexpected WINED3DTSS_TEXTURETRANSFORMFLAGS value of %d\n",
 611                                       This->stateBlock->textureState[textureNo][WINED3DTSS_TEXTURETRANSFORMFLAGS] & WINED3DTTFF_PROJECTED);
 612                             }
 613                         }
 614                     }
 615
 616                     switch (coordsToUse) {   /* Supply the provided texture coords */
 617                     case WINED3DTTFF_COUNT1:
 618                         VTRACE(("tex:%d, s=%f\n", textureNo, s));
 619                         if (GL_SUPPORT(ARB_MULTITEXTURE)) {
 620                             GL_EXTCALL(glMultiTexCoord1fARB(texture_idx, s));
 621                         } else {
 622                             glTexCoord1f(s);
 623                         }
 624                         break;
 625                     case WINED3DTTFF_COUNT2:
 626                         VTRACE(("tex:%d, s=%f, t=%f\n", textureNo, s, t));
 627                         if (GL_SUPPORT(ARB_MULTITEXTURE)) {
 628                             GL_EXTCALL(glMultiTexCoord2fARB(texture_idx, s, t));
 629                         } else {
 630                             glTexCoord2f(s, t);
 631                         }
 632                         break;
 633                     case WINED3DTTFF_COUNT3:
 634                         VTRACE(("tex:%d, s=%f, t=%f, r=%f\n", textureNo, s, t, r));
 635                         if (GL_SUPPORT(ARB_MULTITEXTURE)) {
 636                             GL_EXTCALL(glMultiTexCoord3fARB(texture_idx, s, t, r));
 637                         } else {
 638                             glTexCoord3f(s, t, r);
 639                         }
 640                         break;
 641                     case WINED3DTTFF_COUNT4:
 642                         VTRACE(("tex:%d, s=%f, t=%f, r=%f, q=%f\n", textureNo, s, t, r, q));
 643                         if (GL_SUPPORT(ARB_MULTITEXTURE)) {
 644                             GL_EXTCALL(glMultiTexCoord4fARB(texture_idx, s, t, r, q));
 645                         } else {
 646                             glTexCoord4f(s, t, r, q);
 647                         }
 648                         break;
 649                     default:
 650                         FIXME("Should not get here as coordsToUse is two bits only (%x)!\n", coordsToUse);
 651                     }
 652                 }
 653             }
 654             if (/*!GL_SUPPORT(NV_REGISTER_COMBINERS) || This->stateBlock->textures[textureNo]*/TRUE) ++texture_idx;
 655         } /* End of textures */
 656
 657         /* Diffuse -------------------------------- */
 658         if (diffuse) {
 659             DWORD *ptrToCoords = (DWORD *)(diffuse + (SkipnStrides * sd->u.s.diffuse.dwStride));
 660             diffuseColor = ptrToCoords[0];
 661             VTRACE(("diffuseColor=%lx\n", diffuseColor));
 662
 663             glColor4ub(D3DCOLOR_B_R(diffuseColor),
 664                      D3DCOLOR_B_G(diffuseColor),
 665                      D3DCOLOR_B_B(diffuseColor),
 666                      D3DCOLOR_B_A(diffuseColor));
 667             VTRACE(("glColor4ub: r,g,b,a=%lu,%lu,%lu,%lu\n",
 668                     D3DCOLOR_B_R(diffuseColor),
 669                     D3DCOLOR_B_G(diffuseColor),
 670                     D3DCOLOR_B_B(diffuseColor),
 671                     D3DCOLOR_B_A(diffuseColor)));
 672         }
 673
 674         /* Specular ------------------------------- */
 675         if (specular) {
 676             DWORD *ptrToCoords = (DWORD *)(specular + (SkipnStrides * sd->u.s.specular.dwStride));
 677             specularColor = ptrToCoords[0];
 678             VTRACE(("specularColor=%lx\n", specularColor));
 679
 680             /* special case where the fog density is stored in the diffuse alpha channel */
 681             if(This->stateBlock->renderState[WINED3DRS_FOGENABLE] &&
 682               (This->stateBlock->renderState[WINED3DRS_FOGVERTEXMODE] == WINED3DFOG_NONE || sd->u.s.position.dwType == WINED3DDECLTYPE_FLOAT4 )&&
 683               This->stateBlock->renderState[WINED3DRS_FOGTABLEMODE] == WINED3DFOG_NONE) {
 684                 if(GL_SUPPORT(EXT_FOG_COORD)) {
 685                     GL_EXTCALL(glFogCoordfEXT(specularColor >> 24));
 686                 } else {
 687                     static BOOL warned = FALSE;
 688                     if(!warned) {
 689                         /* TODO: Use the fog table code from old ddraw */
 690                         FIXME("Implement fog for transformed vertices in software\n");
 691                         warned = TRUE;
 692                     }
 693                 }
 694             }
 695
 696             VTRACE(("glSecondaryColor4ub: r,g,b=%lu,%lu,%lu\n",
 697                     D3DCOLOR_B_R(specularColor),
 698                     D3DCOLOR_B_G(specularColor),
 699                     D3DCOLOR_B_B(specularColor)));
 700             if (GL_SUPPORT(EXT_SECONDARY_COLOR)) {
 701                 GL_EXTCALL(glSecondaryColor3ubEXT)(
 702                            D3DCOLOR_B_R(specularColor),
 703                            D3DCOLOR_B_G(specularColor),
 704                            D3DCOLOR_B_B(specularColor));
 705             } else {
 706                 /* Do not worry if specular colour missing and disable request */
 707                 VTRACE(("Specular color extensions not supplied\n"));
 708             }
 709         }
 710
 711         /* Normal -------------------------------- */
 712         if (normal != NULL) {
 713             float *ptrToCoords = (float *)(normal + (SkipnStrides * sd->u.s.normal.dwStride));
 714
 715             VTRACE(("glNormal:nx,ny,nz=%f,%f,%f\n", ptrToCoords[0], ptrToCoords[1], ptrToCoords[2]));
 716             glNormal3f(ptrToCoords[0], ptrToCoords[1], ptrToCoords[2]);
 717         }
 718
 719         /* Position -------------------------------- */
 720         if (position) {
 721             float *ptrToCoords = (float *)(position + (SkipnStrides * sd->u.s.position.dwStride));
 722             x = ptrToCoords[0];
 723             y = ptrToCoords[1];
 724             z = ptrToCoords[2];
 725             rhw = 1.0;
 726             VTRACE(("x,y,z=%f,%f,%f\n", x,y,z));
 727
 728             /* RHW follows, only if transformed, ie 4 floats were provided */
 729             if (sd->u.s.position_transformed) {
 730                 rhw = ptrToCoords[3];
 731                 VTRACE(("rhw=%f\n", rhw));
 732             }
 733
 734             if (1.0f == rhw || ((rhw < eps) && (rhw > -eps))) {
 735                 VTRACE(("Vertex: glVertex:x,y,z=%f,%f,%f\n", x,y,z));
 736                 glVertex3f(x, y, z);
 737             } else {
 738                 GLfloat w = 1.0 / rhw;
 739                 VTRACE(("Vertex: glVertex:x,y,z=%f,%f,%f / rhw=%f\n", x,y,z,rhw));
 740                 glVertex4f(x*w, y*w, z*w, w);
 741             }
 742         }
 743
 744         /* For non indexed mode, step onto next parts */
 745         if (idxData == NULL) {
 746             ++SkipnStrides;
 747         }
 748     }
 749
 750     glEnd();
 751     checkGLcall("glEnd and previous calls");
 752 }
 753
 754 static void check_fbo_status(IWineD3DDevice *iface) {
 755     IWineD3DDeviceImpl *This = (IWineD3DDeviceImpl *)iface;
 756
 757     GLenum status = GL_EXTCALL(glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT));
 758     switch(status) {
 759         case GL_FRAMEBUFFER_COMPLETE_EXT: TRACE("FBO complete.\n"); break;
 760         default: TRACE("FBO status %#x.\n", status); break;
 761     }
 762 }
 763
 764 static void depth_blt(IWineD3DDevice *iface, GLuint texture) {
 765     IWineD3DDeviceImpl *This = (IWineD3DDeviceImpl *)iface;
 766     GLint old_binding = 0;
 767
 768     glPushAttrib(GL_ENABLE_BIT | GL_DEPTH_BUFFER_BIT);
 769
 770     glDisable(GL_CULL_FACE);
 771     glDisable(GL_BLEND);
 772     glDisable(GL_ALPHA_TEST);
 773     glDisable(GL_STENCIL_TEST);
 774     glEnable(GL_DEPTH_TEST);
 775     glDepthFunc(GL_ALWAYS);
 776
 777     GL_EXTCALL(glActiveTextureARB(GL_TEXTURE0_ARB));
 778     glGetIntegerv(GL_TEXTURE_BINDING_2D, &old_binding);
 779     glBindTexture(GL_TEXTURE_2D, texture);
 780     glEnable(GL_TEXTURE_2D);
 781
 782     This->shader_backend->shader_select_depth_blt(iface);
 783
 784     glBegin(GL_TRIANGLE_STRIP);
 785     glVertex2f(-1.0f, -1.0f);
 786     glVertex2f(1.0f, -1.0f);
 787     glVertex2f(-1.0f, 1.0f);
 788     glVertex2f(1.0f, 1.0f);
 789     glEnd();
 790
 791     glBindTexture(GL_TEXTURE_2D, old_binding);
 792
 793     glPopAttrib();
 794
 795     /* Reselect the old shaders. There doesn't seem to be any glPushAttrib bit for arb shaders,
 796      * and this seems easier and more efficient than providing the shader backend with a private
 797      * storage to read and restore the old shader settings
 798      */
 799     This->shader_backend->shader_select(iface,
 800         This->stateBlock->pixelShader && ((IWineD3DPixelShaderImpl *)This->stateBlock->pixelShader)->baseShader.function,
 801         This->stateBlock->vertexShader && ((IWineD3DVertexShaderImpl *)This->stateBlock->vertexShader)->baseShader.function);
 802 }
 803
 804 static void depth_copy(IWineD3DDevice *iface) {
 805     IWineD3DDeviceImpl *This = (IWineD3DDeviceImpl *)iface;
 806     IWineD3DSurfaceImpl *depth_stencil = (IWineD3DSurfaceImpl *)This->depthStencilBuffer;
 807
 808     /* Only copy the depth buffer if there is one. */
 809     if (!depth_stencil) return;
 810
 811     /* TODO: Make this work for modes other than FBO */
 812     if (wined3d_settings.offscreen_rendering_mode != ORM_FBO) return;
 813
 814     if (This->render_offscreen) {
 815         static GLuint tmp_texture = 0;
 816         GLint old_binding = 0;
 817
 818         TRACE("Copying onscreen depth buffer to offscreen surface\n");
 819
 820         if (!tmp_texture) {
 821             glGenTextures(1, &tmp_texture);
 822         }
 823
 824         /* Note that we use depth_blt here as well, rather than glCopyTexImage2D
 825          * directly on the FBO texture. That's because we need to flip. */
 826         GL_EXTCALL(glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0));
 827         glGetIntegerv(GL_TEXTURE_BINDING_2D, &old_binding);
 828         glBindTexture(GL_TEXTURE_2D, tmp_texture);
 829         glCopyTexImage2D(depth_stencil->glDescription.target,
 830                 depth_stencil->glDescription.level,
 831                 depth_stencil->glDescription.glFormatInternal,
 832                 0,
 833                 0,
 834                 depth_stencil->currentDesc.Width,
 835                 depth_stencil->currentDesc.Height,
 836                 0);
 837         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
 838         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
 839         glTexParameteri(GL_TEXTURE_2D, GL_DEPTH_TEXTURE_MODE_ARB, GL_LUMINANCE);
 840         glBindTexture(GL_TEXTURE_2D, old_binding);
 841
 842         GL_EXTCALL(glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, This->fbo));
 843         checkGLcall("glBindFramebuffer()");
 844         depth_blt(iface, tmp_texture);
 845         checkGLcall("depth_blt");
 846     } else {
 847         TRACE("Copying offscreen surface to onscreen depth buffer\n");
 848
 849         GL_EXTCALL(glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0));
 850         checkGLcall("glBindFramebuffer()");
 851         depth_blt(iface, depth_stencil->glDescription.textureName);
 852         checkGLcall("depth_blt");
 853     }
 854 }
 855
 856 inline void drawStridedInstanced(IWineD3DDevice *iface, WineDirect3DVertexStridedData *sd, UINT numberOfVertices,
 857                                  GLenum glPrimitiveType, const void *idxData, short idxSize, ULONG minIndex,
 858                                  ULONG startIdx, ULONG startVertex) {
 859     UINT numInstances = 0;
 860     int numInstancedAttribs = 0, i, j;
 861     UINT instancedData[sizeof(sd->u.input) / sizeof(sd->u.input[0]) /* 16 */];
 862     IWineD3DDeviceImpl *This = (IWineD3DDeviceImpl *) iface;
 863     IWineD3DStateBlockImpl *stateblock = This->stateBlock;
 864
 865     if (idxSize == 0) {
 866         /* This is a nasty thing. MSDN says no hardware supports that and apps have to use software vertex processing.
 867          * We don't support this for now
 868          *
 869          * Shouldn't be too hard to support with opengl, in theory just call glDrawArrays instead of drawElements.
 870          * But the StreamSourceFreq value has a different meaning in that situation.
 871          */
 872         FIXME("Non-indexed instanced drawing is not supported\n");
 873         return;
 874     }
 875
 876     TRACE("(%p) : glElements(%x, %d, %d, ...)\n", This, glPrimitiveType, numberOfVertices, minIndex);
 877     idxData = idxData == (void *)-1 ? NULL : idxData;
 878
 879     /* First, figure out how many instances we have to draw */
 880     for(i = 0; i < MAX_STREAMS; i++) {
 881         /* Look at all non-instanced streams */
 882         if(!(stateblock->streamFlags[i] & WINED3DSTREAMSOURCE_INSTANCEDATA) &&
 883            stateblock->streamSource[i]) {
 884             int inst = stateblock->streamFreq[i];
 885
 886             if(numInstances && inst != numInstances) {
 887                 ERR("Two streams specify a different number of instances. Got %d, new is %d\n", numInstances, inst);
 888             }
 889             numInstances = inst;
 890         }
 891     }
 892
 893     for(i = 0; i < sizeof(sd->u.input) / sizeof(sd->u.input[0]); i++) {
 894         if(stateblock->streamFlags[sd->u.input[i].streamNo] & WINED3DSTREAMSOURCE_INSTANCEDATA) {
 895             instancedData[numInstancedAttribs] = i;
 896             numInstancedAttribs++;
 897         }
 898     }
 899
 900     /* now draw numInstances instances :-) */
 901     for(i = 0; i < numInstances; i++) {
 902         /* Specify the instanced attributes using immediate mode calls */
 903         for(j = 0; j < numInstancedAttribs; j++) {
 904             BYTE *ptr = sd->u.input[instancedData[j]].lpData +
 905                         sd->u.input[instancedData[j]].dwStride * i +
 906                         stateblock->streamOffset[sd->u.input[instancedData[j]].streamNo];
 907             if(sd->u.input[instancedData[j]].VBO) {
 908                 IWineD3DVertexBufferImpl *vb = (IWineD3DVertexBufferImpl *) stateblock->streamSource[sd->u.input[instancedData[j]].streamNo];
 909                 ptr += (long) vb->resource.allocatedMemory;
 910             }
 911
 912             switch(sd->u.input[instancedData[j]].dwType) {
 913                 case WINED3DDECLTYPE_FLOAT1:
 914                     GL_EXTCALL(glVertexAttrib1fvARB(instancedData[j], (float *) ptr));
 915                     break;
 916                 case WINED3DDECLTYPE_FLOAT2:
 917                     GL_EXTCALL(glVertexAttrib2fvARB(instancedData[j], (float *) ptr));
 918                     break;
 919                 case WINED3DDECLTYPE_FLOAT3:
 920                     GL_EXTCALL(glVertexAttrib3fvARB(instancedData[j], (float *) ptr));
 921                     break;
 922                 case WINED3DDECLTYPE_FLOAT4:
 923                     GL_EXTCALL(glVertexAttrib4fvARB(instancedData[j], (float *) ptr));
 924                     break;
 925
 926                 case WINED3DDECLTYPE_UBYTE4:
 927                     GL_EXTCALL(glVertexAttrib4NubvARB(instancedData[j], ptr));
 928                     break;
 929                 case WINED3DDECLTYPE_UBYTE4N:
 930                 case WINED3DDECLTYPE_D3DCOLOR:
 931                     GL_EXTCALL(glVertexAttrib4NubvARB(instancedData[j], ptr));
 932                     break;
 933
 934                 case WINED3DDECLTYPE_SHORT2:
 935                     GL_EXTCALL(glVertexAttrib4svARB(instancedData[j], (GLshort *) ptr));
 936                     break;
 937                 case WINED3DDECLTYPE_SHORT4:
 938                     GL_EXTCALL(glVertexAttrib4svARB(instancedData[j], (GLshort *) ptr));
 939                     break;
 940
 941                 case WINED3DDECLTYPE_SHORT2N:
 942                 {
 943                     GLshort s[4] = {((short *) ptr)[0], ((short *) ptr)[1], 0, 1};
 944                     GL_EXTCALL(glVertexAttrib4NsvARB(instancedData[j], s));
 945                     break;
 946                 }
 947                 case WINED3DDECLTYPE_USHORT2N:
 948                 {
 949                     GLushort s[4] = {((unsigned short *) ptr)[0], ((unsigned short *) ptr)[1], 0, 1};
 950                     GL_EXTCALL(glVertexAttrib4NusvARB(instancedData[j], s));
 951                     break;
 952                 }
 953                 case WINED3DDECLTYPE_SHORT4N:
 954                     GL_EXTCALL(glVertexAttrib4NsvARB(instancedData[j], (GLshort *) ptr));
 955                     break;
 956                 case WINED3DDECLTYPE_USHORT4N:
 957                     GL_EXTCALL(glVertexAttrib4NusvARB(instancedData[j], (GLushort *) ptr));
 958                     break;
 959
 960                 case WINED3DDECLTYPE_UDEC3:
 961                     FIXME("Unsure about WINED3DDECLTYPE_UDEC3\n");
 962                     /*glVertexAttrib3usvARB(instancedData[j], (GLushort *) ptr); Does not exist */
 963                     break;
 964                 case WINED3DDECLTYPE_DEC3N:
 965                     FIXME("Unsure about WINED3DDECLTYPE_DEC3N\n");
 966                     /*glVertexAttrib3NusvARB(instancedData[j], (GLushort *) ptr); Does not exist */
 967                     break;
 968
 969                 case WINED3DDECLTYPE_FLOAT16_2:
 970                     /* Are those 16 bit floats. C doesn't have a 16 bit float type. I could read the single bits and calculate a 4
 971                      * byte float according to the IEEE standard
 972                      */
 973                     FIXME("Unsupported WINED3DDECLTYPE_FLOAT16_2\n");
 974                     break;
 975                 case WINED3DDECLTYPE_FLOAT16_4:
 976                     FIXME("Unsupported WINED3DDECLTYPE_FLOAT16_4\n");
 977                     break;
 978
 979                 case WINED3DDECLTYPE_UNUSED:
 980                 default:
 981                     ERR("Unexpected declaration in instanced attributes\n");
 982                     break;
 983             }
 984         }
 985
 986         glDrawElements(glPrimitiveType, numberOfVertices, idxSize == 2 ? GL_UNSIGNED_SHORT : GL_UNSIGNED_INT,
 987                     (const char *)idxData+(idxSize * startIdx));
 988         checkGLcall("glDrawElements");
 989     }
 990 }
 991
 992 /* Routine common to the draw primitive and draw indexed primitive routines */
 993 void drawPrimitive(IWineD3DDevice *iface,
 994                    int PrimitiveType,
 995                    long NumPrimitives,
 996                    /* for Indexed: */
 997                    long  StartVertexIndex,
 998                    UINT  numberOfVertices,
 999                    long  StartIdx,
1000                    short idxSize,
1001                    const void *idxData,
1002                    int   minIndex) {
1003
1004     IWineD3DDeviceImpl           *This = (IWineD3DDeviceImpl *)iface;
1005     int i;
1006
1007     /* Signals other modules that a drawing is in progress and the stateblock finalized */
1008     This->isInDraw = TRUE;
1009
1010     /* Invalidate the back buffer memory so LockRect will read it the next time */
1011     for(i = 0; i < GL_LIMITS(buffers); i++) {
1012         if(This->render_targets[i]) {
1013             ((IWineD3DSurfaceImpl *) This->render_targets[i])->Flags |= SFLAG_GLDIRTY;
1014         }
1015     }
1016
1017     /* Ok, we will be updating the screen from here onwards so grab the lock */
1018     ENTER_GL();
1019
1020     ActivateContext(This, This->render_targets[0], CTXUSAGE_DRAWPRIM);
1021
1022     if (TRACE_ON(d3d_draw) && wined3d_settings.offscreen_rendering_mode == ORM_FBO) {
1023         check_fbo_status(iface);
1024     }
1025
1026     if (This->depth_copy_state == WINED3D_DCS_COPY) {
1027         depth_copy(iface);
1028     }
1029     This->depth_copy_state = WINED3D_DCS_INITIAL;
1030
1031     {
1032         GLenum glPrimType;
1033         /* Ok, Work out which primitive is requested and how many vertexes that
1034            will be                                                              */
1035         UINT calculatedNumberOfindices = primitiveToGl(PrimitiveType, NumPrimitives, &glPrimType);
1036         if (numberOfVertices == 0 )
1037             numberOfVertices = calculatedNumberOfindices;
1038
1039         if (This->useDrawStridedSlow) {
1040             /* Immediate mode drawing */
1041             drawStridedSlow(iface, &This->strided_streams, calculatedNumberOfindices,
1042                             glPrimType, idxData, idxSize, minIndex, StartIdx, StartVertexIndex);
1043         } else if(This->instancedDraw) {
1044             /* Instancing emulation with mixing immediate mode and arrays */
1045             drawStridedInstanced(iface, &This->strided_streams, calculatedNumberOfindices, glPrimType,
1046                             idxData, idxSize, minIndex, StartIdx, StartVertexIndex);
1047         } else {
1048             /* Simple array draw call */
1049             drawStridedFast(iface, calculatedNumberOfindices, glPrimType,
1050                             idxData, idxSize, minIndex, StartIdx, StartVertexIndex);
1051         }
1052     }
1053
1054     /* Finshed updating the screen, restore lock */
1055     LEAVE_GL();
1056     TRACE("Done all gl drawing\n");
1057
1058     /* Diagnostics */
1059 #ifdef SHOW_FRAME_MAKEUP
1060     {
1061         static long int primCounter = 0;
1062         /* NOTE: set primCounter to the value reported by drawprim
1063            before you want to to write frame makeup to /tmp */
1064         if (primCounter >= 0) {
1065             WINED3DLOCKED_RECT r;
1066             char buffer[80];
1067             IWineD3DSurface_LockRect(This->renderTarget, &r, NULL, WINED3DLOCK_READONLY);
1068             sprintf(buffer, "/tmp/backbuffer_%d.tga", primCounter);
1069             TRACE("Saving screenshot %s\n", buffer);
1070             IWineD3DSurface_SaveSnapshot(This->renderTarget, buffer);
1071             IWineD3DSurface_UnlockRect(This->renderTarget);
1072
1073 #ifdef SHOW_TEXTURE_MAKEUP
1074            {
1075             IWineD3DSurface *pSur;
1076             int textureNo;
1077             for (textureNo = 0; textureNo < GL_LIMITS(textures); ++textureNo) {
1078                 if (This->stateBlock->textures[textureNo] != NULL) {
1079                     sprintf(buffer, "/tmp/texture_%p_%d_%d.tga", This->stateBlock->textures[textureNo], primCounter, textureNo);
1080                     TRACE("Saving texture %s\n", buffer);
1081                     if (IWineD3DBaseTexture_GetType(This->stateBlock->textures[textureNo]) == WINED3DRTYPE_TEXTURE) {
1082                             IWineD3DTexture_GetSurfaceLevel((IWineD3DTexture *)This->stateBlock->textures[textureNo], 0, &pSur);
1083                             IWineD3DSurface_SaveSnapshot(pSur, buffer);
1084                             IWineD3DSurface_Release(pSur);
1085                     } else  {
1086                         FIXME("base Texture isn't of type texture %d\n", IWineD3DBaseTexture_GetType(This->stateBlock->textures[textureNo]));
1087                     }
1088                 }
1089             }
1090            }
1091 #endif
1092         }
1093         TRACE("drawprim #%d\n", primCounter);
1094         ++primCounter;
1095     }
1096 #endif
1097
1098     /* Control goes back to the device, stateblock values may change again */
1099     This->isInDraw = FALSE;
1100 }