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     /* Check for transformed vertices, disable vertex shader if present */
 165     strided->u.s.position_transformed = FALSE;
 166     for (i = 0; i < vertexDeclaration->declarationWNumElements - 1; ++i) {
 167         element = vertexDeclaration->pDeclarationWine + i;
 168
 169         if (element->Usage == WINED3DDECLUSAGE_POSITIONT) {
 170             strided->u.s.position_transformed = TRUE;
 171             useVertexShaderFunction = FALSE;
 172         }
 173     }
 174
 175     /* Translate the declaration into strided data */
 176     for (i = 0 ; i < vertexDeclaration->declarationWNumElements - 1; ++i) {
 177         GLint streamVBO = 0;
 178         BOOL stride_used;
 179         unsigned int idx;
 180
 181         element = vertexDeclaration->pDeclarationWine + i;
 182         TRACE("%p Element %p (%d of %d)\n", vertexDeclaration->pDeclarationWine,
 183             element,  i + 1, vertexDeclaration->declarationWNumElements - 1);
 184
 185         if (This->stateBlock->streamSource[element->Stream] == NULL)
 186             continue;
 187
 188         if (This->stateBlock->streamIsUP) {
 189             TRACE("Stream is up %d, %p\n", element->Stream, This->stateBlock->streamSource[element->Stream]);
 190             streamVBO = 0;
 191             data    = (BYTE *)This->stateBlock->streamSource[element->Stream];
 192         } else {
 193             TRACE("Stream isn't up %d, %p\n", element->Stream, This->stateBlock->streamSource[element->Stream]);
 194             if(!isPreLoaded[element->Stream]) {
 195                 preLoadStreams[numPreloadStreams] = element->Stream;
 196                 numPreloadStreams++;
 197                 isPreLoaded[element->Stream] = 1;
 198             }
 199             data    = IWineD3DVertexBufferImpl_GetMemory(This->stateBlock->streamSource[element->Stream], 0, &streamVBO);
 200             if(fixup) {
 201                 if( streamVBO != 0) *fixup = TRUE;
 202                 else if(*fixup && !useVertexShaderFunction) {
 203                     /* This may be bad with the fixed function pipeline */
 204                     FIXME("Missing fixed and unfixed vertices, expect graphics glitches\n");
 205                 }
 206             }
 207         }
 208         stride  = This->stateBlock->streamStride[element->Stream];
 209         data += element->Offset;
 210         reg = element->Reg;
 211
 212         TRACE("Offset %d Stream %d UsageIndex %d\n", element->Offset, element->Stream, element->UsageIndex);
 213
 214         if (useVertexShaderFunction)
 215             stride_used = vshader_get_input(This->stateBlock->vertexShader,
 216                 element->Usage, element->UsageIndex, &idx);
 217         else
 218             stride_used = fixed_get_input(element->Usage, element->UsageIndex, &idx);
 219
 220         if (stride_used) {
 221             TRACE("Loaded %s array %u [usage=%s, usage_idx=%u, "
 222                     "stream=%u, offset=%u, stride=%u, VBO=%u]\n",
 223                     useVertexShaderFunction? "shader": "fixed function", idx,
 224                     debug_d3ddeclusage(element->Usage), element->UsageIndex,
 225                     element->Stream, element->Offset, stride, streamVBO);
 226
 227             strided->u.input[idx].lpData = data;
 228             strided->u.input[idx].dwType = element->Type;
 229             strided->u.input[idx].dwStride = stride;
 230             strided->u.input[idx].VBO = streamVBO;
 231             strided->u.input[idx].streamNo = element->Stream;
 232         }
 233     }
 234     /* Now call PreLoad on all the vertex buffers. In the very rare case
 235      * that the buffers stopps converting PreLoad will dirtify the VDECL again.
 236      * The vertex buffer can now use the strided structure in the device instead of finding its
 237      * own again.
 238      *
 239      * NULL streams won't be recorded in the array, UP streams won't be either. A stream is only
 240      * once in there.
 241      */
 242     for(i=0; i < numPreloadStreams; i++) {
 243         IWineD3DVertexBuffer_PreLoad(This->stateBlock->streamSource[preLoadStreams[i]]);
 244     }
 245 }
 246
 247 void primitiveConvertFVFtoOffset(DWORD thisFVF, DWORD stride, BYTE *data, WineDirect3DVertexStridedData *strided, GLint streamVBO, UINT streamNo) {
 248     int           numBlends;
 249     int           numTextures;
 250     int           textureNo;
 251     int           coordIdxInfo = 0x00;    /* Information on number of coords supplied */
 252     int           numCoords[8];           /* Holding place for WINED3DFVF_TEXTUREFORMATx  */
 253
 254     /* Either 3 or 4 floats depending on the FVF */
 255     /* FIXME: Can blending data be in a different stream to the position data?
 256           and if so using the fixed pipeline how do we handle it               */
 257     if (thisFVF & WINED3DFVF_POSITION_MASK) {
 258         strided->u.s.position.lpData    = data;
 259         strided->u.s.position.dwType    = WINED3DDECLTYPE_FLOAT3;
 260         strided->u.s.position.dwStride  = stride;
 261         strided->u.s.position.VBO       = streamVBO;
 262         strided->u.s.position.streamNo  = streamNo;
 263         data += 3 * sizeof(float);
 264         if (thisFVF & WINED3DFVF_XYZRHW) {
 265             strided->u.s.position.dwType = WINED3DDECLTYPE_FLOAT4;
 266             strided->u.s.position_transformed = TRUE;
 267             data += sizeof(float);
 268         } else
 269             strided->u.s.position_transformed = FALSE;
 270     }
 271
 272     /* Blending is numBlends * FLOATs followed by a DWORD for UBYTE4 */
 273     /** do we have to Check This->stateBlock->renderState[D3DRS_INDEXEDVERTEXBLENDENABLE] ? */
 274     numBlends = 1 + (((thisFVF & WINED3DFVF_XYZB5) - WINED3DFVF_XYZB1) >> 1);
 275     if(thisFVF & WINED3DFVF_LASTBETA_UBYTE4) numBlends--;
 276
 277     if ((thisFVF & WINED3DFVF_XYZB5 ) > WINED3DFVF_XYZRHW) {
 278         TRACE("Setting blend Weights to %p\n", data);
 279         strided->u.s.blendWeights.lpData    = data;
 280         strided->u.s.blendWeights.dwType    = WINED3DDECLTYPE_FLOAT1 + numBlends - 1;
 281         strided->u.s.blendWeights.dwStride  = stride;
 282         strided->u.s.blendWeights.VBO       = streamVBO;
 283         strided->u.s.blendWeights.streamNo  = streamNo;
 284         data += numBlends * sizeof(FLOAT);
 285
 286         if (thisFVF & WINED3DFVF_LASTBETA_UBYTE4) {
 287             strided->u.s.blendMatrixIndices.lpData = data;
 288             strided->u.s.blendMatrixIndices.dwType  = WINED3DDECLTYPE_UBYTE4;
 289             strided->u.s.blendMatrixIndices.dwStride= stride;
 290             strided->u.s.blendMatrixIndices.VBO     = streamVBO;
 291             strided->u.s.blendMatrixIndices.streamNo= streamNo;
 292             data += sizeof(DWORD);
 293         }
 294     }
 295
 296     /* Normal is always 3 floats */
 297     if (thisFVF & WINED3DFVF_NORMAL) {
 298         strided->u.s.normal.lpData    = data;
 299         strided->u.s.normal.dwType    = WINED3DDECLTYPE_FLOAT3;
 300         strided->u.s.normal.dwStride  = stride;
 301         strided->u.s.normal.VBO       = streamVBO;
 302         strided->u.s.normal.streamNo  = streamNo;
 303         data += 3 * sizeof(FLOAT);
 304     }
 305
 306     /* Pointsize is a single float */
 307     if (thisFVF & WINED3DFVF_PSIZE) {
 308         strided->u.s.pSize.lpData    = data;
 309         strided->u.s.pSize.dwType    = WINED3DDECLTYPE_FLOAT1;
 310         strided->u.s.pSize.dwStride  = stride;
 311         strided->u.s.pSize.VBO       = streamVBO;
 312         strided->u.s.pSize.streamNo  = streamNo;
 313         data += sizeof(FLOAT);
 314     }
 315
 316     /* Diffuse is 4 unsigned bytes */
 317     if (thisFVF & WINED3DFVF_DIFFUSE) {
 318         strided->u.s.diffuse.lpData    = data;
 319         strided->u.s.diffuse.dwType    = WINED3DDECLTYPE_SHORT4;
 320         strided->u.s.diffuse.dwStride  = stride;
 321         strided->u.s.diffuse.VBO       = streamVBO;
 322         strided->u.s.diffuse.streamNo  = streamNo;
 323         data += sizeof(DWORD);
 324     }
 325
 326     /* Specular is 4 unsigned bytes */
 327     if (thisFVF & WINED3DFVF_SPECULAR) {
 328         strided->u.s.specular.lpData    = data;
 329         strided->u.s.specular.dwType    = WINED3DDECLTYPE_SHORT4;
 330         strided->u.s.specular.dwStride  = stride;
 331         strided->u.s.specular.VBO       = streamVBO;
 332         strided->u.s.specular.streamNo  = streamNo;
 333         data += sizeof(DWORD);
 334     }
 335
 336     /* Texture coords */
 337     numTextures   = (thisFVF & WINED3DFVF_TEXCOUNT_MASK) >> WINED3DFVF_TEXCOUNT_SHIFT;
 338     coordIdxInfo  = (thisFVF & 0x00FF0000) >> 16; /* 16 is from definition of WINED3DFVF_TEXCOORDSIZE1, and is 8 (0-7 stages) * 2bits long */
 339
 340     /* numTextures indicates the number of texture coordinates supplied */
 341     /* However, the first set may not be for stage 0 texture - it all   */
 342     /*   depends on WINED3DTSS_TEXCOORDINDEX.                           */
 343     /* The number of bytes for each coordinate set is based off         */
 344     /*   WINED3DFVF_TEXCOORDSIZEn, which are the bottom 2 bits              */
 345
 346     /* So, for each supplied texture extract the coords */
 347     for (textureNo = 0; textureNo < numTextures; ++textureNo) {
 348
 349         strided->u.s.texCoords[textureNo].lpData    = data;
 350         strided->u.s.texCoords[textureNo].dwType    = WINED3DDECLTYPE_FLOAT1;
 351         strided->u.s.texCoords[textureNo].dwStride  = stride;
 352         strided->u.s.texCoords[textureNo].VBO       = streamVBO;
 353         strided->u.s.texCoords[textureNo].streamNo  = streamNo;
 354         numCoords[textureNo] = coordIdxInfo & 0x03;
 355
 356         /* Always one set */
 357         data += sizeof(float);
 358         if (numCoords[textureNo] != WINED3DFVF_TEXTUREFORMAT1) {
 359             strided->u.s.texCoords[textureNo].dwType = WINED3DDECLTYPE_FLOAT2;
 360             data += sizeof(float);
 361             if (numCoords[textureNo] != WINED3DFVF_TEXTUREFORMAT2) {
 362                 strided->u.s.texCoords[textureNo].dwType = WINED3DDECLTYPE_FLOAT3;
 363                 data += sizeof(float);
 364                 if (numCoords[textureNo] != WINED3DFVF_TEXTUREFORMAT3) {
 365                     strided->u.s.texCoords[textureNo].dwType = WINED3DDECLTYPE_FLOAT4;
 366                     data += sizeof(float);
 367                 }
 368             }
 369         }
 370         coordIdxInfo = coordIdxInfo >> 2; /* Drop bottom two bits */
 371     }
 372 }
 373
 374 void primitiveConvertToStridedData(IWineD3DDevice *iface, WineDirect3DVertexStridedData *strided, BOOL *fixup) {
 375     IWineD3DDeviceImpl *This = (IWineD3DDeviceImpl *) iface;
 376     GLint         streamVBO = 0;
 377     DWORD  stride  = This->stateBlock->streamStride[0];
 378     BYTE  *data    = NULL;
 379     DWORD  thisFVF = 0;
 380
 381     /* Retrieve appropriate FVF */
 382     thisFVF = This->stateBlock->fvf;
 383     /* Handle memory passed directly as well as vertex buffers */
 384     if (This->stateBlock->streamIsUP) {
 385         streamVBO = 0;
 386         data    = (BYTE *)This->stateBlock->streamSource[0];
 387     } else {
 388         /* The for loop should iterate through here only once per stream, so we don't need magic to prevent double loading
 389          * buffers
 390          */
 391         data = IWineD3DVertexBufferImpl_GetMemory(This->stateBlock->streamSource[0], 0, &streamVBO);
 392         if(fixup) {
 393             if(streamVBO != 0 ) *fixup = TRUE;
 394         }
 395     }
 396     VTRACE(("FVF for stream 0 is %lx\n", thisFVF));
 397
 398     /* Now convert the stream into pointers */
 399     primitiveConvertFVFtoOffset(thisFVF, stride, data, strided, streamVBO, 0);
 400
 401     /* Now call PreLoad on the vertex buffer. In the very rare case
 402      * that the buffers stopps converting PreLoad will dirtify the VDECL again.
 403      * The vertex buffer can now use the strided structure in the device instead of finding its
 404      * own again.
 405      */
 406     if(!This->stateBlock->streamIsUP) {
 407         IWineD3DVertexBuffer_PreLoad(This->stateBlock->streamSource[0]);
 408     }
 409 }
 410
 411 static void drawStridedFast(IWineD3DDevice *iface,UINT numberOfVertices, GLenum glPrimitiveType,
 412                      const void *idxData, short idxSize, ULONG minIndex, ULONG startIdx, ULONG startVertex) {
 413     IWineD3DDeviceImpl *This = (IWineD3DDeviceImpl *)iface;
 414
 415     if (idxSize != 0 /* This crashes sometimes!*/) {
 416         TRACE("(%p) : glElements(%x, %d, %d, ...)\n", This, glPrimitiveType, numberOfVertices, minIndex);
 417         idxData = idxData == (void *)-1 ? NULL : idxData;
 418 #if 1
 419         glDrawElements(glPrimitiveType, numberOfVertices, idxSize == 2 ? GL_UNSIGNED_SHORT : GL_UNSIGNED_INT,
 420                      (const char *)idxData+(idxSize * startIdx));
 421 #else /* using drawRangeElements may be faster */
 422
 423         glDrawRangeElements(glPrimitiveType, minIndex, minIndex + numberOfVertices - 1, numberOfVertices,
 424                       idxSize == 2 ? GL_UNSIGNED_SHORT : GL_UNSIGNED_INT,
 425                       (const char *)idxData+(idxSize * startIdx));
 426 #endif
 427         checkGLcall("glDrawRangeElements");
 428
 429     } else {
 430
 431         /* Note first is now zero as we shuffled along earlier */
 432         TRACE("(%p) : glDrawArrays(%x, 0, %d)\n", This, glPrimitiveType, numberOfVertices);
 433         glDrawArrays(glPrimitiveType, startVertex, numberOfVertices);
 434         checkGLcall("glDrawArrays");
 435
 436     }
 437
 438     return;
 439 }
 440
 441 /*
 442  * Actually draw using the supplied information.
 443  * Slower GL version which extracts info about each vertex in turn
 444  */
 445
 446 static void drawStridedSlow(IWineD3DDevice *iface, WineDirect3DVertexStridedData *sd,
 447                      UINT NumVertexes, GLenum glPrimType,
 448                      const void *idxData, short idxSize, ULONG minIndex, ULONG startIdx, ULONG startVertex) {
 449
 450     unsigned int               textureNo    = 0;
 451     unsigned int               texture_idx  = 0;
 452     const WORD                *pIdxBufS     = NULL;
 453     const DWORD               *pIdxBufL     = NULL;
 454     LONG                       vx_index;
 455     float x  = 0.0f, y  = 0.0f, z = 0.0f;  /* x,y,z coordinates          */
 456     float rhw = 0.0f;                      /* rhw                        */
 457     DWORD diffuseColor = 0xFFFFFFFF;       /* Diffuse Color              */
 458     DWORD specularColor = 0;               /* Specular Color             */
 459     IWineD3DDeviceImpl *This = (IWineD3DDeviceImpl *)iface;
 460     UINT *streamOffset = This->stateBlock->streamOffset;
 461     DWORD                      SkipnStrides = startVertex + This->stateBlock->loadBaseVertexIndex;
 462
 463     BYTE *texCoords[WINED3DDP_MAXTEXCOORD];
 464     BYTE *diffuse = NULL, *specular = NULL, *normal = NULL, *position = NULL;
 465
 466     TRACE("Using slow vertex array code\n");
 467
 468     /* Variable Initialization */
 469     if (idxSize != 0) {
 470         /* Immediate mode drawing can't make use of indices in a vbo - get the data from the index buffer.
 471          * If the index buffer has no vbo(not supported or other reason), or with user pointer drawing
 472          * idxData will be != NULL
 473          */
 474         if(idxData == NULL) {
 475             idxData = ((IWineD3DIndexBufferImpl *) This->stateBlock->pIndexData)->resource.allocatedMemory;
 476         }
 477
 478         if (idxSize == 2) pIdxBufS = (const WORD *) idxData;
 479         else pIdxBufL = (const DWORD *) idxData;
 480     }
 481
 482     /* Adding the stream offset once is cheaper than doing it every iteration. Do not modify the strided data, it is a pointer
 483      * to the strided Data in the device and might be needed intact on the next draw
 484      */
 485     for (textureNo = 0, texture_idx = 0; textureNo < GL_LIMITS(texture_stages); ++textureNo) {
 486         if(sd->u.s.texCoords[textureNo].lpData) {
 487             texCoords[textureNo] = sd->u.s.texCoords[textureNo].lpData + streamOffset[sd->u.s.texCoords[textureNo].streamNo];
 488         } else {
 489             texCoords[textureNo] = NULL;
 490         }
 491     }
 492     if(sd->u.s.diffuse.lpData) {
 493         diffuse = sd->u.s.diffuse.lpData + streamOffset[sd->u.s.diffuse.streamNo];
 494     }
 495     if(sd->u.s.specular.lpData) {
 496         specular = sd->u.s.specular.lpData + streamOffset[sd->u.s.specular.streamNo];
 497     }
 498     if(sd->u.s.normal.lpData) {
 499         normal = sd->u.s.normal.lpData + streamOffset[sd->u.s.normal.streamNo];
 500     }
 501     if(sd->u.s.position.lpData) {
 502         position = sd->u.s.position.lpData + streamOffset[sd->u.s.position.streamNo];
 503     }
 504
 505     /* Start drawing in GL */
 506     VTRACE(("glBegin(%x)\n", glPrimType));
 507     glBegin(glPrimType);
 508
 509     /* Default settings for data that is not passed */
 510     if (sd->u.s.normal.lpData == NULL) {
 511         glNormal3f(0, 0, 1);
 512     }
 513     if(sd->u.s.diffuse.lpData != NULL) {
 514         glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
 515     }
 516     if(sd->u.s.specular.lpData != NULL) {
 517         if (GL_SUPPORT(EXT_SECONDARY_COLOR)) {
 518             GL_EXTCALL(glSecondaryColor3fEXT)(0, 0, 0);
 519         }
 520     }
 521
 522     /* We shouldn't start this function if any VBO is involved. Should I put a safety check here?
 523      * Guess it's not necessary(we crash then anyway) and would only eat CPU time
 524      */
 525
 526     /* For each primitive */
 527     for (vx_index = 0; vx_index < NumVertexes; ++vx_index) {
 528
 529         /* Initialize diffuse color */
 530         diffuseColor = 0xFFFFFFFF;
 531
 532         /* Blending data and Point sizes are not supported by this function. They are not supported by the fixed
 533          * function pipeline at all. A Fixme for them is printed after decoding the vertex declaration
 534          */
 535
 536         /* For indexed data, we need to go a few more strides in */
 537         if (idxData != NULL) {
 538
 539             /* Indexed so work out the number of strides to skip */
 540             if (idxSize == 2) {
 541                 VTRACE(("Idx for vertex %d = %d\n", vx_index, pIdxBufS[startIdx+vx_index]));
 542                 SkipnStrides = pIdxBufS[startIdx + vx_index] + This->stateBlock->loadBaseVertexIndex;
 543             } else {
 544                 VTRACE(("Idx for vertex %d = %d\n", vx_index, pIdxBufL[startIdx+vx_index]));
 545                 SkipnStrides = pIdxBufL[startIdx + vx_index] + This->stateBlock->loadBaseVertexIndex;
 546             }
 547         }
 548
 549         /* Texture coords --------------------------- */
 550         for (textureNo = 0, texture_idx = 0; textureNo < GL_LIMITS(texture_stages); ++textureNo) {
 551
 552             if (!GL_SUPPORT(ARB_MULTITEXTURE) && textureNo > 0) {
 553                 FIXME("Program using multiple concurrent textures which this opengl implementation doesn't support\n");
 554                 continue ;
 555             }
 556
 557             /* Query tex coords */
 558             if (This->stateBlock->textures[textureNo] != NULL) {
 559
 560                 int    coordIdx = This->stateBlock->textureState[textureNo][WINED3DTSS_TEXCOORDINDEX];
 561                 float *ptrToCoords = NULL;
 562                 float  s = 0.0, t = 0.0, r = 0.0, q = 0.0;
 563
 564                 if (coordIdx > 7) {
 565                     VTRACE(("tex: %d - Skip tex coords, as being system generated\n", textureNo));
 566                     ++texture_idx;
 567                     continue;
 568                 } else if (coordIdx < 0) {
 569                     FIXME("tex: %d - Coord index %d is less than zero, expect a crash.\n", textureNo, coordIdx);
 570                     ++texture_idx;
 571                     continue;
 572                 }
 573
 574                 ptrToCoords = (float *)(texCoords[coordIdx] + (SkipnStrides * sd->u.s.texCoords[coordIdx].dwStride));
 575                 if (texCoords[coordIdx] == NULL) {
 576                     TRACE("tex: %d - Skipping tex coords, as no data supplied\n", textureNo);
 577                     ++texture_idx;
 578                     continue;
 579                 } else {
 580
 581                     int coordsToUse = sd->u.s.texCoords[coordIdx].dwType + 1; /* 0 == WINED3DDECLTYPE_FLOAT1 etc */
 582
 583                     /* The coords to supply depend completely on the fvf / vertex shader */
 584                     switch (coordsToUse) {
 585                     case 4: q = ptrToCoords[3]; /* drop through */
 586                     case 3: r = ptrToCoords[2]; /* drop through */
 587                     case 2: t = ptrToCoords[1]; /* drop through */
 588                     case 1: s = ptrToCoords[0];
 589                     }
 590
 591                     /* Projected is more 'fun' - Move the last coord to the 'q'
 592                           parameter (see comments under WINED3DTSS_TEXTURETRANSFORMFLAGS */
 593                     if ((This->stateBlock->textureState[textureNo][WINED3DTSS_TEXTURETRANSFORMFLAGS] != WINED3DTTFF_DISABLE) &&
 594                         (This->stateBlock->textureState[textureNo][WINED3DTSS_TEXTURETRANSFORMFLAGS] & WINED3DTTFF_PROJECTED)) {
 595
 596                         if (This->stateBlock->textureState[textureNo][WINED3DTSS_TEXTURETRANSFORMFLAGS] & WINED3DTTFF_PROJECTED) {
 597                             switch (coordsToUse) {
 598                             case 0:  /* Drop Through */
 599                             case 1:
 600                                 FIXME("WINED3DTTFF_PROJECTED but only zero or one coordinate?\n");
 601                                 break;
 602                             case 2:
 603                                 q = t;
 604                                 t = 0.0;
 605                                 coordsToUse = 4;
 606                                 break;
 607                             case 3:
 608                                 q = r;
 609                                 r = 0.0;
 610                                 coordsToUse = 4;
 611                                 break;
 612                             case 4:  /* Nop here */
 613                                 break;
 614                             default:
 615                                 FIXME("Unexpected WINED3DTSS_TEXTURETRANSFORMFLAGS value of %d\n",
 616                                       This->stateBlock->textureState[textureNo][WINED3DTSS_TEXTURETRANSFORMFLAGS] & WINED3DTTFF_PROJECTED);
 617                             }
 618                         }
 619                     }
 620
 621                     switch (coordsToUse) {   /* Supply the provided texture coords */
 622                     case WINED3DTTFF_COUNT1:
 623                         VTRACE(("tex:%d, s=%f\n", textureNo, s));
 624                         if (GL_SUPPORT(ARB_MULTITEXTURE)) {
 625                             GL_EXTCALL(glMultiTexCoord1fARB(texture_idx, s));
 626                         } else {
 627                             glTexCoord1f(s);
 628                         }
 629                         break;
 630                     case WINED3DTTFF_COUNT2:
 631                         VTRACE(("tex:%d, s=%f, t=%f\n", textureNo, s, t));
 632                         if (GL_SUPPORT(ARB_MULTITEXTURE)) {
 633                             GL_EXTCALL(glMultiTexCoord2fARB(texture_idx, s, t));
 634                         } else {
 635                             glTexCoord2f(s, t);
 636                         }
 637                         break;
 638                     case WINED3DTTFF_COUNT3:
 639                         VTRACE(("tex:%d, s=%f, t=%f, r=%f\n", textureNo, s, t, r));
 640                         if (GL_SUPPORT(ARB_MULTITEXTURE)) {
 641                             GL_EXTCALL(glMultiTexCoord3fARB(texture_idx, s, t, r));
 642                         } else {
 643                             glTexCoord3f(s, t, r);
 644                         }
 645                         break;
 646                     case WINED3DTTFF_COUNT4:
 647                         VTRACE(("tex:%d, s=%f, t=%f, r=%f, q=%f\n", textureNo, s, t, r, q));
 648                         if (GL_SUPPORT(ARB_MULTITEXTURE)) {
 649                             GL_EXTCALL(glMultiTexCoord4fARB(texture_idx, s, t, r, q));
 650                         } else {
 651                             glTexCoord4f(s, t, r, q);
 652                         }
 653                         break;
 654                     default:
 655                         FIXME("Should not get here as coordsToUse is two bits only (%x)!\n", coordsToUse);
 656                     }
 657                 }
 658             }
 659             if (/*!GL_SUPPORT(NV_REGISTER_COMBINERS) || This->stateBlock->textures[textureNo]*/TRUE) ++texture_idx;
 660         } /* End of textures */
 661
 662         /* Diffuse -------------------------------- */
 663         if (diffuse) {
 664             DWORD *ptrToCoords = (DWORD *)(diffuse + (SkipnStrides * sd->u.s.diffuse.dwStride));
 665             diffuseColor = ptrToCoords[0];
 666             VTRACE(("diffuseColor=%lx\n", diffuseColor));
 667
 668             glColor4ub(D3DCOLOR_B_R(diffuseColor),
 669                      D3DCOLOR_B_G(diffuseColor),
 670                      D3DCOLOR_B_B(diffuseColor),
 671                      D3DCOLOR_B_A(diffuseColor));
 672             VTRACE(("glColor4ub: r,g,b,a=%lu,%lu,%lu,%lu\n",
 673                     D3DCOLOR_B_R(diffuseColor),
 674                     D3DCOLOR_B_G(diffuseColor),
 675                     D3DCOLOR_B_B(diffuseColor),
 676                     D3DCOLOR_B_A(diffuseColor)));
 677         }
 678
 679         /* Specular ------------------------------- */
 680         if (specular) {
 681             DWORD *ptrToCoords = (DWORD *)(specular + (SkipnStrides * sd->u.s.specular.dwStride));
 682             specularColor = ptrToCoords[0];
 683             VTRACE(("specularColor=%lx\n", specularColor));
 684
 685             /* special case where the fog density is stored in the specular alpha channel */
 686             if(This->stateBlock->renderState[WINED3DRS_FOGENABLE] &&
 687               (This->stateBlock->renderState[WINED3DRS_FOGVERTEXMODE] == WINED3DFOG_NONE || sd->u.s.position.dwType == WINED3DDECLTYPE_FLOAT4 )&&
 688               This->stateBlock->renderState[WINED3DRS_FOGTABLEMODE] == WINED3DFOG_NONE) {
 689                 if(GL_SUPPORT(EXT_FOG_COORD)) {
 690                     GL_EXTCALL(glFogCoordfEXT(specularColor >> 24));
 691                 } else {
 692                     static BOOL warned = FALSE;
 693                     if(!warned) {
 694                         /* TODO: Use the fog table code from old ddraw */
 695                         FIXME("Implement fog for transformed vertices in software\n");
 696                         warned = TRUE;
 697                     }
 698                 }
 699             }
 700
 701             VTRACE(("glSecondaryColor4ub: r,g,b=%lu,%lu,%lu\n",
 702                     D3DCOLOR_B_R(specularColor),
 703                     D3DCOLOR_B_G(specularColor),
 704                     D3DCOLOR_B_B(specularColor)));
 705             if (GL_SUPPORT(EXT_SECONDARY_COLOR)) {
 706                 GL_EXTCALL(glSecondaryColor3ubEXT)(
 707                            D3DCOLOR_B_R(specularColor),
 708                            D3DCOLOR_B_G(specularColor),
 709                            D3DCOLOR_B_B(specularColor));
 710             } else {
 711                 /* Do not worry if specular colour missing and disable request */
 712                 VTRACE(("Specular color extensions not supplied\n"));
 713             }
 714         }
 715
 716         /* Normal -------------------------------- */
 717         if (normal != NULL) {
 718             float *ptrToCoords = (float *)(normal + (SkipnStrides * sd->u.s.normal.dwStride));
 719
 720             VTRACE(("glNormal:nx,ny,nz=%f,%f,%f\n", ptrToCoords[0], ptrToCoords[1], ptrToCoords[2]));
 721             glNormal3f(ptrToCoords[0], ptrToCoords[1], ptrToCoords[2]);
 722         }
 723
 724         /* Position -------------------------------- */
 725         if (position) {
 726             float *ptrToCoords = (float *)(position + (SkipnStrides * sd->u.s.position.dwStride));
 727             x = ptrToCoords[0];
 728             y = ptrToCoords[1];
 729             z = ptrToCoords[2];
 730             rhw = 1.0;
 731             VTRACE(("x,y,z=%f,%f,%f\n", x,y,z));
 732
 733             /* RHW follows, only if transformed, ie 4 floats were provided */
 734             if (sd->u.s.position_transformed) {
 735                 rhw = ptrToCoords[3];
 736                 VTRACE(("rhw=%f\n", rhw));
 737             }
 738
 739             if (1.0f == rhw || ((rhw < eps) && (rhw > -eps))) {
 740                 VTRACE(("Vertex: glVertex:x,y,z=%f,%f,%f\n", x,y,z));
 741                 glVertex3f(x, y, z);
 742             } else {
 743                 GLfloat w = 1.0 / rhw;
 744                 VTRACE(("Vertex: glVertex:x,y,z=%f,%f,%f / rhw=%f\n", x,y,z,rhw));
 745                 glVertex4f(x*w, y*w, z*w, w);
 746             }
 747         }
 748
 749         /* For non indexed mode, step onto next parts */
 750         if (idxData == NULL) {
 751             ++SkipnStrides;
 752         }
 753     }
 754
 755     glEnd();
 756     checkGLcall("glEnd and previous calls");
 757 }
 758
 759 static void depth_blt(IWineD3DDevice *iface, GLuint texture) {
 760     IWineD3DDeviceImpl *This = (IWineD3DDeviceImpl *)iface;
 761     GLint old_binding = 0;
 762
 763     glPushAttrib(GL_ENABLE_BIT | GL_DEPTH_BUFFER_BIT);
 764
 765     glDisable(GL_CULL_FACE);
 766     glDisable(GL_BLEND);
 767     glDisable(GL_ALPHA_TEST);
 768     glDisable(GL_SCISSOR_TEST);
 769     glDisable(GL_STENCIL_TEST);
 770     glEnable(GL_DEPTH_TEST);
 771     glDepthFunc(GL_ALWAYS);
 772
 773     GL_EXTCALL(glActiveTextureARB(GL_TEXTURE0_ARB));
 774     glGetIntegerv(GL_TEXTURE_BINDING_2D, &old_binding);
 775     glBindTexture(GL_TEXTURE_2D, texture);
 776     glEnable(GL_TEXTURE_2D);
 777
 778     This->shader_backend->shader_select_depth_blt(iface);
 779
 780     glBegin(GL_TRIANGLE_STRIP);
 781     glVertex2f(-1.0f, -1.0f);
 782     glVertex2f(1.0f, -1.0f);
 783     glVertex2f(-1.0f, 1.0f);
 784     glVertex2f(1.0f, 1.0f);
 785     glEnd();
 786
 787     glBindTexture(GL_TEXTURE_2D, old_binding);
 788
 789     glPopAttrib();
 790
 791     /* Reselect the old shaders. There doesn't seem to be any glPushAttrib bit for arb shaders,
 792      * and this seems easier and more efficient than providing the shader backend with a private
 793      * storage to read and restore the old shader settings
 794      */
 795     This->shader_backend->shader_select(iface, use_ps(This), use_vs(This));
 796 }
 797
 798 static void depth_copy(IWineD3DDevice *iface) {
 799     IWineD3DDeviceImpl *This = (IWineD3DDeviceImpl *)iface;
 800     IWineD3DSurfaceImpl *depth_stencil = (IWineD3DSurfaceImpl *)This->depthStencilBuffer;
 801
 802     /* Only copy the depth buffer if there is one. */
 803     if (!depth_stencil) return;
 804
 805     /* TODO: Make this work for modes other than FBO */
 806     if (wined3d_settings.offscreen_rendering_mode != ORM_FBO) return;
 807
 808     if (depth_stencil->current_renderbuffer) {
 809         FIXME("Not supported with fixed up depth stencil\n");
 810         return;
 811     }
 812
 813     if (This->render_offscreen) {
 814         static GLuint tmp_texture = 0;
 815         GLint old_binding = 0;
 816
 817         TRACE("Copying onscreen depth buffer to offscreen surface\n");
 818
 819         if (!tmp_texture) {
 820             glGenTextures(1, &tmp_texture);
 821         }
 822
 823         /* Note that we use depth_blt here as well, rather than glCopyTexImage2D
 824          * directly on the FBO texture. That's because we need to flip. */
 825         GL_EXTCALL(glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0));
 826         glGetIntegerv(GL_TEXTURE_BINDING_2D, &old_binding);
 827         glBindTexture(GL_TEXTURE_2D, tmp_texture);
 828         glCopyTexImage2D(depth_stencil->glDescription.target,
 829                 depth_stencil->glDescription.level,
 830                 depth_stencil->glDescription.glFormatInternal,
 831                 0,
 832                 0,
 833                 depth_stencil->currentDesc.Width,
 834                 depth_stencil->currentDesc.Height,
 835                 0);
 836         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
 837         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
 838         glTexParameteri(GL_TEXTURE_2D, GL_DEPTH_TEXTURE_MODE_ARB, GL_LUMINANCE);
 839         glBindTexture(GL_TEXTURE_2D, old_binding);
 840
 841         GL_EXTCALL(glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, This->fbo));
 842         checkGLcall("glBindFramebuffer()");
 843         depth_blt(iface, tmp_texture);
 844         checkGLcall("depth_blt");
 845     } else {
 846         TRACE("Copying offscreen surface to onscreen depth buffer\n");
 847
 848         GL_EXTCALL(glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0));
 849         checkGLcall("glBindFramebuffer()");
 850         depth_blt(iface, depth_stencil->glDescription.textureName);
 851         checkGLcall("depth_blt");
 852     }
 853 }
 854
 855 static inline void drawStridedInstanced(IWineD3DDevice *iface, WineDirect3DVertexStridedData *sd, UINT numberOfVertices,
 856                                  GLenum glPrimitiveType, const void *idxData, short idxSize, ULONG minIndex,
 857                                  ULONG startIdx, ULONG startVertex) {
 858     UINT numInstances = 0;
 859     int numInstancedAttribs = 0, i, j;
 860     UINT instancedData[sizeof(sd->u.input) / sizeof(sd->u.input[0]) /* 16 */];
 861     IWineD3DDeviceImpl *This = (IWineD3DDeviceImpl *) iface;
 862     IWineD3DStateBlockImpl *stateblock = This->stateBlock;
 863
 864     if (idxSize == 0) {
 865         /* This is a nasty thing. MSDN says no hardware supports that and apps have to use software vertex processing.
 866          * We don't support this for now
 867          *
 868          * Shouldn't be too hard to support with opengl, in theory just call glDrawArrays instead of drawElements.
 869          * But the StreamSourceFreq value has a different meaning in that situation.
 870          */
 871         FIXME("Non-indexed instanced drawing is not supported\n");
 872         return;
 873     }
 874
 875     TRACE("(%p) : glElements(%x, %d, %d, ...)\n", This, glPrimitiveType, numberOfVertices, minIndex);
 876     idxData = idxData == (void *)-1 ? NULL : idxData;
 877
 878     /* First, figure out how many instances we have to draw */
 879     for(i = 0; i < MAX_STREAMS; i++) {
 880         /* Look at all non-instanced streams */
 881         if(!(stateblock->streamFlags[i] & WINED3DSTREAMSOURCE_INSTANCEDATA) &&
 882            stateblock->streamSource[i]) {
 883             int inst = stateblock->streamFreq[i];
 884
 885             if(numInstances && inst != numInstances) {
 886                 ERR("Two streams specify a different number of instances. Got %d, new is %d\n", numInstances, inst);
 887             }
 888             numInstances = inst;
 889         }
 890     }
 891
 892     for(i = 0; i < sizeof(sd->u.input) / sizeof(sd->u.input[0]); i++) {
 893         if(stateblock->streamFlags[sd->u.input[i].streamNo] & WINED3DSTREAMSOURCE_INSTANCEDATA) {
 894             instancedData[numInstancedAttribs] = i;
 895             numInstancedAttribs++;
 896         }
 897     }
 898
 899     /* now draw numInstances instances :-) */
 900     for(i = 0; i < numInstances; i++) {
 901         /* Specify the instanced attributes using immediate mode calls */
 902         for(j = 0; j < numInstancedAttribs; j++) {
 903             BYTE *ptr = sd->u.input[instancedData[j]].lpData +
 904                         sd->u.input[instancedData[j]].dwStride * i +
 905                         stateblock->streamOffset[sd->u.input[instancedData[j]].streamNo];
 906             if(sd->u.input[instancedData[j]].VBO) {
 907                 IWineD3DVertexBufferImpl *vb = (IWineD3DVertexBufferImpl *) stateblock->streamSource[sd->u.input[instancedData[j]].streamNo];
 908                 ptr += (long) vb->resource.allocatedMemory;
 909             }
 910
 911             switch(sd->u.input[instancedData[j]].dwType) {
 912                 case WINED3DDECLTYPE_FLOAT1:
 913                     GL_EXTCALL(glVertexAttrib1fvARB(instancedData[j], (float *) ptr));
 914                     break;
 915                 case WINED3DDECLTYPE_FLOAT2:
 916                     GL_EXTCALL(glVertexAttrib2fvARB(instancedData[j], (float *) ptr));
 917                     break;
 918                 case WINED3DDECLTYPE_FLOAT3:
 919                     GL_EXTCALL(glVertexAttrib3fvARB(instancedData[j], (float *) ptr));
 920                     break;
 921                 case WINED3DDECLTYPE_FLOAT4:
 922                     GL_EXTCALL(glVertexAttrib4fvARB(instancedData[j], (float *) ptr));
 923                     break;
 924
 925                 case WINED3DDECLTYPE_UBYTE4:
 926                     GL_EXTCALL(glVertexAttrib4NubvARB(instancedData[j], ptr));
 927                     break;
 928                 case WINED3DDECLTYPE_UBYTE4N:
 929                 case WINED3DDECLTYPE_D3DCOLOR:
 930                     GL_EXTCALL(glVertexAttrib4NubvARB(instancedData[j], ptr));
 931                     break;
 932
 933                 case WINED3DDECLTYPE_SHORT2:
 934                     GL_EXTCALL(glVertexAttrib4svARB(instancedData[j], (GLshort *) ptr));
 935                     break;
 936                 case WINED3DDECLTYPE_SHORT4:
 937                     GL_EXTCALL(glVertexAttrib4svARB(instancedData[j], (GLshort *) ptr));
 938                     break;
 939
 940                 case WINED3DDECLTYPE_SHORT2N:
 941                 {
 942                     GLshort s[4] = {((short *) ptr)[0], ((short *) ptr)[1], 0, 1};
 943                     GL_EXTCALL(glVertexAttrib4NsvARB(instancedData[j], s));
 944                     break;
 945                 }
 946                 case WINED3DDECLTYPE_USHORT2N:
 947                 {
 948                     GLushort s[4] = {((unsigned short *) ptr)[0], ((unsigned short *) ptr)[1], 0, 1};
 949                     GL_EXTCALL(glVertexAttrib4NusvARB(instancedData[j], s));
 950                     break;
 951                 }
 952                 case WINED3DDECLTYPE_SHORT4N:
 953                     GL_EXTCALL(glVertexAttrib4NsvARB(instancedData[j], (GLshort *) ptr));
 954                     break;
 955                 case WINED3DDECLTYPE_USHORT4N:
 956                     GL_EXTCALL(glVertexAttrib4NusvARB(instancedData[j], (GLushort *) ptr));
 957                     break;
 958
 959                 case WINED3DDECLTYPE_UDEC3:
 960                     FIXME("Unsure about WINED3DDECLTYPE_UDEC3\n");
 961                     /*glVertexAttrib3usvARB(instancedData[j], (GLushort *) ptr); Does not exist */
 962                     break;
 963                 case WINED3DDECLTYPE_DEC3N:
 964                     FIXME("Unsure about WINED3DDECLTYPE_DEC3N\n");
 965                     /*glVertexAttrib3NusvARB(instancedData[j], (GLushort *) ptr); Does not exist */
 966                     break;
 967
 968                 case WINED3DDECLTYPE_FLOAT16_2:
 969                     /* Are those 16 bit floats. C doesn't have a 16 bit float type. I could read the single bits and calculate a 4
 970                      * byte float according to the IEEE standard
 971                      */
 972                     FIXME("Unsupported WINED3DDECLTYPE_FLOAT16_2\n");
 973                     break;
 974                 case WINED3DDECLTYPE_FLOAT16_4:
 975                     FIXME("Unsupported WINED3DDECLTYPE_FLOAT16_4\n");
 976                     break;
 977
 978                 case WINED3DDECLTYPE_UNUSED:
 979                 default:
 980                     ERR("Unexpected declaration in instanced attributes\n");
 981                     break;
 982             }
 983         }
 984
 985         glDrawElements(glPrimitiveType, numberOfVertices, idxSize == 2 ? GL_UNSIGNED_SHORT : GL_UNSIGNED_INT,
 986                     (const char *)idxData+(idxSize * startIdx));
 987         checkGLcall("glDrawElements");
 988     }
 989 }
 990
 991 struct coords {
 992     int x, y, z;
 993 };
 994
 995 void blt_to_drawable(IWineD3DDeviceImpl *This, IWineD3DSurfaceImpl *surface) {
 996     struct coords coords[4];
 997     int low_coord;
 998
 999     /* TODO: This could be supported for lazy unlocking */
1000     if(!(surface->Flags & SFLAG_INTEXTURE)) {
1001         /* It is ok at init to be nowhere */
1002         if(!(surface->Flags & SFLAG_INSYSMEM)) {
1003             ERR("Blitting surfaces from sysmem not supported yet\n");
1004         }
1005         return;
1006     }
1007
1008     ENTER_GL();
1009     ActivateContext(This, This->render_targets[0], CTXUSAGE_BLIT);
1010
1011     if(surface->glDescription.target == GL_TEXTURE_2D) {
1012         glBindTexture(GL_TEXTURE_2D, surface->glDescription.textureName);
1013         checkGLcall("GL_TEXTURE_2D, This->glDescription.textureName)");
1014
1015         coords[0].x = 0;    coords[0].y = 0;    coords[0].z = 0;
1016         coords[1].x = 0;    coords[1].y = 1;    coords[1].z = 0;
1017         coords[2].x = 1;    coords[2].y = 1;    coords[2].z = 0;
1018         coords[3].x = 1;    coords[3].y = 0;    coords[3].z = 0;
1019
1020         low_coord = 0;
1021     } else {
1022         /* Must be a cube map */
1023         glDisable(GL_TEXTURE_2D);
1024         checkGLcall("glDisable(GL_TEXTURE_2D)");
1025         glEnable(GL_TEXTURE_CUBE_MAP_ARB);
1026         checkGLcall("glEnable(surface->glDescription.target)");
1027         glBindTexture(GL_TEXTURE_CUBE_MAP_ARB, surface->glDescription.textureName);
1028         checkGLcall("GL_TEXTURE_CUBE_MAP_ARB, This->glDescription.textureName)");
1029
1030         switch(surface->glDescription.target) {
1031             case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
1032                 coords[0].x =  1;   coords[0].y = -1;   coords[0].z =  1;
1033                 coords[1].x =  1;   coords[1].y =  1;   coords[1].z =  1;
1034                 coords[2].x =  1;   coords[2].y =  1;   coords[2].z = -1;
1035                 coords[3].x =  1;   coords[3].y = -1;   coords[3].z = -1;
1036                 break;
1037
1038             case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
1039                 coords[0].x = -1;   coords[0].y = -1;   coords[0].z =  1;
1040                 coords[1].x = -1;   coords[1].y =  1;   coords[1].z =  1;
1041                 coords[2].x = -1;   coords[2].y =  1;   coords[2].z = -1;
1042                 coords[3].x = -1;   coords[3].y = -1;   coords[3].z = -1;
1043                 break;
1044
1045             case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
1046                 coords[0].x = -1;   coords[0].y =  1;   coords[0].z =  1;
1047                 coords[1].x =  1;   coords[1].y =  1;   coords[1].z =  1;
1048                 coords[2].x =  1;   coords[2].y =  1;   coords[2].z = -1;
1049                 coords[3].x = -1;   coords[3].y =  1;   coords[3].z = -1;
1050                 break;
1051
1052             case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
1053                 coords[0].x = -1;   coords[0].y = -1;   coords[0].z =  1;
1054                 coords[1].x =  1;   coords[1].y = -1;   coords[1].z =  1;
1055                 coords[2].x =  1;   coords[2].y = -1;   coords[2].z = -1;
1056                 coords[3].x = -1;   coords[3].y = -1;   coords[3].z = -1;
1057                 break;
1058
1059             case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
1060                 coords[0].x = -1;   coords[0].y = -1;   coords[0].z =  1;
1061                 coords[1].x =  1;   coords[1].y = -1;   coords[1].z =  1;
1062                 coords[2].x =  1;   coords[2].y = -1;   coords[2].z =  1;
1063                 coords[3].x = -1;   coords[3].y = -1;   coords[3].z =  1;
1064                 break;
1065
1066             case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
1067                 coords[0].x = -1;   coords[0].y = -1;   coords[0].z = -1;
1068                 coords[1].x =  1;   coords[1].y = -1;   coords[1].z = -1;
1069                 coords[2].x =  1;   coords[2].y = -1;   coords[2].z = -1;
1070                 coords[3].x = -1;   coords[3].y = -1;   coords[3].z = -1;
1071
1072             default:
1073                 ERR("Unexpected texture target\n");
1074                 LEAVE_GL();
1075                 return;
1076         }
1077
1078         low_coord = -1;
1079     }
1080
1081     if(This->render_offscreen) {
1082         coords[0].y = coords[0].y == 1 ? low_coord : 1;
1083         coords[1].y = coords[1].y == 1 ? low_coord : 1;
1084         coords[2].y = coords[2].y == 1 ? low_coord : 1;
1085         coords[3].y = coords[3].y == 1 ? low_coord : 1;
1086     }
1087
1088     glBegin(GL_QUADS);
1089         glTexCoord3iv((GLint *) &coords[0]);
1090         glVertex2i(0, 0);
1091
1092         glTexCoord3iv((GLint *) &coords[1]);
1093         glVertex2i(0, surface->pow2Height);
1094
1095         glTexCoord3iv((GLint *) &coords[2]);
1096         glVertex2i(surface->pow2Width, surface->pow2Height);
1097
1098         glTexCoord3iv((GLint *) &coords[3]);
1099         glVertex2i(surface->pow2Width, 0);
1100     glEnd();
1101     checkGLcall("glEnd");
1102
1103     if(surface->glDescription.target != GL_TEXTURE_2D) {
1104         glEnable(GL_TEXTURE_2D);
1105         checkGLcall("glEnable(GL_TEXTURE_2D)");
1106         glDisable(GL_TEXTURE_CUBE_MAP_ARB);
1107         checkGLcall("glDisable(GL_TEXTURE_CUBE_MAP_ARB)");
1108     }
1109     LEAVE_GL();
1110 }
1111
1112 /* Routine common to the draw primitive and draw indexed primitive routines */
1113 void drawPrimitive(IWineD3DDevice *iface,
1114                    int PrimitiveType,
1115                    long NumPrimitives,
1116                    /* for Indexed: */
1117                    long  StartVertexIndex,
1118                    UINT  numberOfVertices,
1119                    long  StartIdx,
1120                    short idxSize,
1121                    const void *idxData,
1122                    int   minIndex) {
1123
1124     IWineD3DDeviceImpl           *This = (IWineD3DDeviceImpl *)iface;
1125     IWineD3DSwapChain            *swapchain;
1126     IWineD3DBaseTexture          *texture = NULL;
1127     IWineD3DSurfaceImpl          *target;
1128     int i;
1129
1130     /* Signals other modules that a drawing is in progress and the stateblock finalized */
1131     This->isInDraw = TRUE;
1132
1133     /* Invalidate the back buffer memory so LockRect will read it the next time */
1134     for(i = 0; i < GL_LIMITS(buffers); i++) {
1135         target = (IWineD3DSurfaceImpl *) This->render_targets[i];
1136
1137         /* TODO: Only do all that if we're going to change anything
1138          * Texture container dirtification does not work quite right yet
1139          */
1140         if(target /*&& target->Flags & (SFLAG_INTEXTURE | SFLAG_INSYSMEM)*/) {
1141             swapchain = NULL;
1142             texture = NULL;
1143
1144             if(i == 0) {
1145                 IWineD3DSurface_GetContainer((IWineD3DSurface *) target, &IID_IWineD3DSwapChain, (void **)&swapchain);
1146
1147                 /* Need the surface in the drawable! */
1148                 if(!(target->Flags & SFLAG_INDRAWABLE) && (swapchain || wined3d_settings.offscreen_rendering_mode != ORM_FBO)) {
1149                     blt_to_drawable(This, target);
1150                 }
1151
1152                 if(swapchain) {
1153                     /* Onscreen target. Invalidate system memory copy and texture copy */
1154                     target->Flags &= ~(SFLAG_INSYSMEM | SFLAG_INTEXTURE);
1155                     target->Flags |= SFLAG_INDRAWABLE;
1156                     IWineD3DSwapChain_Release(swapchain);
1157                 } else if(wined3d_settings.offscreen_rendering_mode != ORM_FBO) {
1158                     /* Non-FBO target: Invalidate system copy, texture copy and dirtify the container */
1159                     IWineD3DSurface_GetContainer((IWineD3DSurface *) target, &IID_IWineD3DBaseTexture, (void **)&texture);
1160
1161                     if(texture) {
1162                         IWineD3DBaseTexture_SetDirty(texture, TRUE);
1163                         IWineD3DTexture_Release(texture);
1164                     }
1165
1166                     target->Flags &= ~(SFLAG_INSYSMEM | SFLAG_INTEXTURE);
1167                     target->Flags |= SFLAG_INDRAWABLE;
1168                 } else {
1169                     /* FBO offscreen target. Invalidate system memory copy */
1170                     target->Flags &= ~SFLAG_INSYSMEM;
1171                 }
1172             } else {
1173                 /* Must be an fbo render target */
1174                 target->Flags &= ~SFLAG_INSYSMEM;
1175                 target->Flags |=  SFLAG_INTEXTURE;
1176             }
1177         }
1178     }
1179
1180     /* Ok, we will be updating the screen from here onwards so grab the lock */
1181     ENTER_GL();
1182
1183     if (wined3d_settings.offscreen_rendering_mode == ORM_FBO) {
1184         apply_fbo_state(iface);
1185     }
1186
1187     ActivateContext(This, This->render_targets[0], CTXUSAGE_DRAWPRIM);
1188
1189     if (This->depth_copy_state == WINED3D_DCS_COPY) {
1190         depth_copy(iface);
1191     }
1192     This->depth_copy_state = WINED3D_DCS_INITIAL;
1193
1194     {
1195         GLenum glPrimType;
1196         /* Ok, Work out which primitive is requested and how many vertexes that
1197            will be                                                              */
1198         UINT calculatedNumberOfindices = primitiveToGl(PrimitiveType, NumPrimitives, &glPrimType);
1199         if (numberOfVertices == 0 )
1200             numberOfVertices = calculatedNumberOfindices;
1201
1202         if (This->useDrawStridedSlow) {
1203             /* Immediate mode drawing */
1204             drawStridedSlow(iface, &This->strided_streams, calculatedNumberOfindices,
1205                             glPrimType, idxData, idxSize, minIndex, StartIdx, StartVertexIndex);
1206         } else if(This->instancedDraw) {
1207             /* Instancing emulation with mixing immediate mode and arrays */
1208             drawStridedInstanced(iface, &This->strided_streams, calculatedNumberOfindices, glPrimType,
1209                             idxData, idxSize, minIndex, StartIdx, StartVertexIndex);
1210         } else {
1211             /* Simple array draw call */
1212             drawStridedFast(iface, calculatedNumberOfindices, glPrimType,
1213                             idxData, idxSize, minIndex, StartIdx, StartVertexIndex);
1214         }
1215     }
1216
1217     /* Finshed updating the screen, restore lock */
1218     LEAVE_GL();
1219     TRACE("Done all gl drawing\n");
1220
1221     /* Diagnostics */
1222 #ifdef SHOW_FRAME_MAKEUP
1223     {
1224         static long int primCounter = 0;
1225         /* NOTE: set primCounter to the value reported by drawprim
1226            before you want to to write frame makeup to /tmp */
1227         if (primCounter >= 0) {
1228             WINED3DLOCKED_RECT r;
1229             char buffer[80];
1230             IWineD3DSurface_LockRect(This->renderTarget, &r, NULL, WINED3DLOCK_READONLY);
1231             sprintf(buffer, "/tmp/backbuffer_%d.tga", primCounter);
1232             TRACE("Saving screenshot %s\n", buffer);
1233             IWineD3DSurface_SaveSnapshot(This->renderTarget, buffer);
1234             IWineD3DSurface_UnlockRect(This->renderTarget);
1235
1236 #ifdef SHOW_TEXTURE_MAKEUP
1237            {
1238             IWineD3DSurface *pSur;
1239             int textureNo;
1240             for (textureNo = 0; textureNo < GL_LIMITS(textures); ++textureNo) {
1241                 if (This->stateBlock->textures[textureNo] != NULL) {
1242                     sprintf(buffer, "/tmp/texture_%p_%d_%d.tga", This->stateBlock->textures[textureNo], primCounter, textureNo);
1243                     TRACE("Saving texture %s\n", buffer);
1244                     if (IWineD3DBaseTexture_GetType(This->stateBlock->textures[textureNo]) == WINED3DRTYPE_TEXTURE) {
1245                             IWineD3DTexture_GetSurfaceLevel((IWineD3DTexture *)This->stateBlock->textures[textureNo], 0, &pSur);
1246                             IWineD3DSurface_SaveSnapshot(pSur, buffer);
1247                             IWineD3DSurface_Release(pSur);
1248                     } else  {
1249                         FIXME("base Texture isn't of type texture %d\n", IWineD3DBaseTexture_GetType(This->stateBlock->textures[textureNo]));
1250                     }
1251                 }
1252             }
1253            }
1254 #endif
1255         }
1256         TRACE("drawprim #%d\n", primCounter);
1257         ++primCounter;
1258     }
1259 #endif
1260
1261     /* Control goes back to the device, stateblock values may change again */
1262     This->isInDraw = FALSE;
1263 }