src/mesa/drivers/dri/gamma/gamma_inithw.c

   1 /*
   2  * Copyright 2001 by Alan Hourihane.
   3  *
   4  * Permission to use, copy, modify, distribute, and sell this software and its
   5  * documentation for any purpose is hereby granted without fee, provided that
   6  * the above copyright notice appear in all copies and that both that
   7  * copyright notice and this permission notice appear in supporting
   8  * documentation, and that the name of Alan Hourihane not be used in
   9  * advertising or publicity pertaining to distribution of the software without
  10  * specific, written prior permission.  Alan Hourihane makes no representations
  11  * about the suitability of this software for any purpose.  It is provided
  12  * "as is" without express or implied warranty.
  13  *
  14  * ALAN HOURIHANE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
  15  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
  16  * EVENT SHALL ALAN HOURIHANE BE LIABLE FOR ANY SPECIAL, INDIRECT OR
  17  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
  18  * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
  19  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  20  * PERFORMANCE OF THIS SOFTWARE.
  21  *
  22  * Authors:  Alan Hourihane, <alanh@tungstengraphics.com>
  23  *           Kevin E. Martin <martin@valinux.com>
  24  *
  25  */
  26 /* $XFree86: xc/lib/GL/mesa/src/drv/gamma/gamma_inithw.c,v 1.9 2002/10/30 12:51:29 alanh Exp $ */
  27
  28 #include "gamma_context.h"
  29 #include "glint_dri.h"
  30
  31 void gammaInitHW( gammaContextPtr gmesa )
  32 {
  33     GLINTDRIPtr gDRIPriv = (GLINTDRIPtr)gmesa->driScreen->pDevPriv;
  34     int i;
  35
  36     if (gDRIPriv->numMultiDevices == 2) {
  37         /* Set up each MX's ScanLineOwnership for OpenGL */
  38         CHECK_DMA_BUFFER(gmesa, 5);
  39         WRITE(gmesa->buf, BroadcastMask, 1);
  40         WRITE(gmesa->buf, ScanLineOwnership, 5); /* Use bottom left as [0,0] */
  41         WRITE(gmesa->buf, BroadcastMask, 2);
  42         WRITE(gmesa->buf, ScanLineOwnership, 1); /* Use bottom left as [0,0] */
  43         /* Broadcast to both MX's */
  44         WRITE(gmesa->buf, BroadcastMask, 3);
  45         FLUSH_DMA_BUFFER(gmesa);
  46     }
  47
  48     gmesa->AlphaBlendMode = (AlphaBlendModeDisable |
  49                              AB_Src_One |
  50                              AB_Dst_Zero |
  51                              AB_NoAlphaBufferPresent |
  52                              AB_ColorFmt_8888 |
  53                              AB_ColorOrder_RGB |
  54                              AB_OpenGLType |
  55                              AB_AlphaDst_FBData |
  56                              AB_ColorConversionScale |
  57                              AB_AlphaConversionScale);
  58
  59     gmesa->DitherMode = DitherModeEnable | DM_ColorOrder_RGB;
  60
  61     switch (gmesa->gammaScreen->cpp) {
  62         case 2:
  63                 gmesa->DitherMode |= DM_ColorFmt_5555;
  64                 gmesa->AlphaBlendMode |= AB_ColorFmt_5555;
  65                 CHECK_DMA_BUFFER(gmesa, 1);
  66                 WRITE(gmesa->buf, PixelSize, 1);
  67                 break;
  68         case 4:
  69                 gmesa->DitherMode |= DM_ColorFmt_8888;
  70                 gmesa->AlphaBlendMode |= AB_ColorFmt_8888;
  71                 WRITE(gmesa->buf, PixelSize, 0);
  72                 break;
  73     }
  74
  75     /* FIXME for stencil, gid, etc */
  76     switch (gmesa->DepthSize) {
  77         case 16:
  78                 gmesa->LBReadFormat =
  79                          (LBRF_DepthWidth16    |
  80                           LBRF_StencilWidth8   |
  81                           LBRF_StencilPos16    |
  82                           LBRF_FrameCount8     |
  83                           LBRF_FrameCountPos24 |
  84                           LBRF_GIDWidth4       |
  85                           LBRF_GIDPos32         );
  86                 gmesa->LBWriteFormat =
  87                          (LBRF_DepthWidth16    |
  88                           LBRF_StencilWidth8   |
  89                           LBRF_StencilPos16    |
  90                           LBRF_FrameCount8     |
  91                           LBRF_FrameCountPos24 |
  92                           LBRF_GIDWidth4       |
  93                           LBRF_GIDPos32         );
  94                 break;
  95         case 24:
  96                 gmesa->LBReadFormat =
  97                          (LBRF_DepthWidth24    |
  98                           LBRF_StencilWidth8   |
  99                           LBRF_StencilPos24    |
 100                           LBRF_FrameCount8     |
 101                           LBRF_FrameCountPos32 |
 102                           LBRF_GIDWidth4       |
 103                           LBRF_GIDPos36         );
 104                 gmesa->LBWriteFormat =
 105                          (LBRF_DepthWidth24    |
 106                           LBRF_StencilWidth8   |
 107                           LBRF_StencilPos24    |
 108                           LBRF_FrameCount8     |
 109                           LBRF_FrameCountPos32 |
 110                           LBRF_GIDWidth4       |
 111                           LBRF_GIDPos36         );
 112                 break;
 113         case 32:
 114                 gmesa->LBReadFormat =
 115                          (LBRF_DepthWidth32    |
 116                           LBRF_StencilWidth8   |
 117                           LBRF_StencilPos32    |
 118                           LBRF_FrameCount8     |
 119                           LBRF_FrameCountPos40 |
 120                           LBRF_GIDWidth4       |
 121                           LBRF_GIDPos44         );
 122                 gmesa->LBWriteFormat =
 123                          (LBRF_DepthWidth32    |
 124                           LBRF_StencilWidth8   |
 125                           LBRF_StencilPos32    |
 126                           LBRF_FrameCount8     |
 127                           LBRF_FrameCountPos40 |
 128                           LBRF_GIDWidth4       |
 129                           LBRF_GIDPos44         );
 130                 break;
 131     }
 132
 133     gmesa->FBHardwareWriteMask = 0xffffffff;
 134     gmesa->FogMode = FogModeDisable;
 135     gmesa->ClearDepth = 0xffffffff;
 136     gmesa->AreaStippleMode = AreaStippleModeDisable;
 137     gmesa->x = 0;
 138     gmesa->y = 0;
 139     gmesa->w = 0;
 140     gmesa->h = 0;
 141     gmesa->FrameCount = 0;
 142     gmesa->MatrixMode = GL_MODELVIEW;
 143     gmesa->ModelViewCount = 0;
 144     gmesa->ProjCount = 0;
 145     gmesa->TextureCount = 0;
 146     gmesa->PointMode = PM_AntialiasQuality_4x4;
 147     gmesa->LineMode = LM_AntialiasQuality_4x4;
 148     gmesa->TriangleMode = TM_AntialiasQuality_4x4;
 149     gmesa->AntialiasMode = AntialiasModeDisable;
 150
 151     for (i = 0; i < 16; i++)
 152         if (i % 5 == 0)
 153             gmesa->ModelView[i] =
 154                 gmesa->Proj[i] =
 155                 gmesa->ModelViewProj[i] =
 156                 gmesa->Texture[i] = 1.0;
 157         else
 158             gmesa->ModelView[i] =
 159                 gmesa->Proj[i] =
 160                 gmesa->ModelViewProj[i] =
 161                 gmesa->Texture[i] = 0.0;
 162
 163     gmesa->LBReadMode = (LBReadSrcDisable |
 164                          LBReadDstDisable |
 165                          LBDataTypeDefault |
 166                          LBWindowOriginBot |
 167                          gDRIPriv->pprod);
 168     gmesa->FBReadMode = (FBReadSrcDisable |
 169                          FBReadDstDisable |
 170                          FBDataTypeDefault |
 171                          FBWindowOriginBot |
 172                          gDRIPriv->pprod);
 173
 174     if (gDRIPriv->numMultiDevices == 2) {
 175         gmesa->LBReadMode |= LBScanLineInt2;
 176         gmesa->FBReadMode |= FBScanLineInt2;
 177         gmesa->LBWindowBase = gmesa->driScreen->fbWidth *
 178                              (gmesa->driScreen->fbHeight/2 - 1);
 179         gmesa->FBWindowBase = gmesa->driScreen->fbWidth *
 180                              (gmesa->driScreen->fbHeight/2 - 1);
 181     } else {
 182         gmesa->LBWindowBase = gmesa->driScreen->fbWidth *
 183                              (gmesa->driScreen->fbHeight - 1);
 184         gmesa->FBWindowBase = gmesa->driScreen->fbWidth *
 185                              (gmesa->driScreen->fbHeight - 1);
 186     }
 187
 188     gmesa->Begin = (B_AreaStippleDisable |
 189                     B_LineStippleDisable |
 190                     B_AntiAliasDisable |
 191                     B_TextureDisable |
 192                     B_FogDisable |
 193                     B_SubPixelCorrectEnable |
 194                     B_PrimType_Null);
 195
 196     gmesa->ColorDDAMode = (ColorDDAEnable |
 197                            ColorDDAGouraud);
 198
 199     gmesa->GeometryMode = (GM_TextureDisable |
 200                            GM_FogDisable |
 201                            GM_FogExp |
 202                            GM_FrontPolyFill |
 203                            GM_BackPolyFill |
 204                            GM_FrontFaceCCW |
 205                            GM_PolyCullDisable |
 206                            GM_PolyCullBack |
 207                            GM_ClipShortLinesDisable |
 208                            GM_ClipSmallTrisDisable |
 209                            GM_RenderMode |
 210                            GM_Feedback2D |
 211                            GM_CullFaceNormDisable |
 212                            GM_AutoFaceNormDisable |
 213                            GM_GouraudShading |
 214                            GM_UserClipNone |
 215                            GM_PolyOffsetPointDisable |
 216                            GM_PolyOffsetLineDisable |
 217                            GM_PolyOffsetFillDisable |
 218                            GM_InvertFaceNormCullDisable);
 219
 220     gmesa->AlphaTestMode = (AlphaTestModeDisable |
 221                             AT_Always);
 222
 223     gmesa->AB_FBReadMode_Save = gmesa->AB_FBReadMode = 0;
 224
 225     gmesa->Window = (WindowEnable  | /* For GID testing */
 226                      W_PassIfEqual |
 227                      (0 << 5)); /* GID part is set from draw priv (below) */
 228
 229     gmesa->NotClipped = GL_FALSE;
 230     gmesa->WindowChanged = GL_TRUE;
 231
 232     gmesa->Texture1DEnabled = GL_FALSE;
 233     gmesa->Texture2DEnabled = GL_FALSE;
 234
 235     gmesa->DepthMode |= (DepthModeDisable |
 236                         DM_WriteMask |
 237                         DM_Less);
 238
 239     gmesa->DeltaMode |= (DM_SubPixlCorrectionEnable |
 240                         DM_SmoothShadingEnable |
 241                         DM_Target500TXMX);
 242
 243     gmesa->LightingMode = LightingModeDisable | LightingModeSpecularEnable;
 244     gmesa->Light0Mode = LNM_Off;
 245     gmesa->Light1Mode = LNM_Off;
 246     gmesa->Light2Mode = LNM_Off;
 247     gmesa->Light3Mode = LNM_Off;
 248     gmesa->Light4Mode = LNM_Off;
 249     gmesa->Light5Mode = LNM_Off;
 250     gmesa->Light6Mode = LNM_Off;
 251     gmesa->Light7Mode = LNM_Off;
 252     gmesa->Light8Mode = LNM_Off;
 253     gmesa->Light9Mode = LNM_Off;
 254     gmesa->Light10Mode = LNM_Off;
 255     gmesa->Light11Mode = LNM_Off;
 256     gmesa->Light12Mode = LNM_Off;
 257     gmesa->Light13Mode = LNM_Off;
 258     gmesa->Light14Mode = LNM_Off;
 259     gmesa->Light15Mode = LNM_Off;
 260
 261     gmesa->LogicalOpMode = LogicalOpModeDisable;
 262
 263     gmesa->MaterialMode = MaterialModeDisable;
 264
 265     gmesa->ScissorMode = UserScissorDisable | ScreenScissorDisable;
 266
 267     gmesa->TransformMode = XM_UseModelViewProjMatrix |
 268                                     XM_TexGenModeS_None |
 269                                     XM_TexGenModeT_None |
 270                                     XM_TexGenModeR_None |
 271                                     XM_TexGenModeQ_None;
 272
 273     CHECK_DMA_BUFFER(gmesa, 20);
 274     WRITE(gmesa->buf, LineStippleMode, 0);
 275     WRITE(gmesa->buf, RouterMode, 0);
 276     WRITE(gmesa->buf, TextureAddressMode, 0);
 277     WRITE(gmesa->buf, TextureReadMode, 0);
 278     WRITE(gmesa->buf, TextureFilterMode, 0);
 279     WRITE(gmesa->buf, TextureColorMode, 0);
 280     WRITE(gmesa->buf, StencilMode, 0);
 281     WRITE(gmesa->buf, PatternRamMode, 0);
 282     WRITE(gmesa->buf, ChromaTestMode, 0);
 283     WRITE(gmesa->buf, StatisticMode, 0);
 284     WRITE(gmesa->buf, AreaStippleMode, gmesa->AreaStippleMode);
 285     WRITE(gmesa->buf, ScissorMode, gmesa->ScissorMode);
 286     WRITE(gmesa->buf, FogMode, gmesa->FogMode);
 287     WRITE(gmesa->buf, AntialiasMode, gmesa->AntialiasMode);
 288     WRITE(gmesa->buf, LogicalOpMode, gmesa->LogicalOpMode);
 289     WRITE(gmesa->buf, TriangleMode, gmesa->TriangleMode);
 290     WRITE(gmesa->buf, PointMode, gmesa->PointMode);
 291     WRITE(gmesa->buf, LineMode, gmesa->LineMode);
 292     WRITE(gmesa->buf, LBWriteFormat, gmesa->LBWriteFormat);
 293     WRITE(gmesa->buf, LBReadFormat,  gmesa->LBReadFormat);
 294
 295     /* Framebuffer initialization */
 296     CHECK_DMA_BUFFER(gmesa, 10);
 297     WRITE(gmesa->buf, FBSourceData, 0);
 298     WRITE(gmesa->buf, FBReadMode, gmesa->FBReadMode);
 299     if (gmesa->EnabledFlags & GAMMA_BACK_BUFFER) {
 300         if (gDRIPriv->numMultiDevices == 2) {
 301             WRITE(gmesa->buf, FBPixelOffset,
 302               (gmesa->driScreen->fbHeight/2)*gmesa->driScreen->fbWidth);
 303         } else {
 304             WRITE(gmesa->buf, FBPixelOffset,
 305               gmesa->driScreen->fbHeight*gmesa->driScreen->fbWidth);
 306         }
 307     } else
 308         WRITE(gmesa->buf, FBPixelOffset, 0);
 309     WRITE(gmesa->buf, FBSourceOffset, 0);
 310     WRITE(gmesa->buf, FBHardwareWriteMask, 0xffffffff);
 311     WRITE(gmesa->buf, FBSoftwareWriteMask, 0xffffffff);
 312     WRITE(gmesa->buf, FBWriteMode, FBWriteModeEnable);
 313     WRITE(gmesa->buf, FBWindowBase, gmesa->FBWindowBase);
 314     WRITE(gmesa->buf, ScreenSize, ((gmesa->driScreen->fbHeight << 16) |
 315                                  (gmesa->driScreen->fbWidth)));
 316     WRITE(gmesa->buf, WindowOrigin, 0x00000000);
 317
 318     /* Localbuffer initialization */
 319     CHECK_DMA_BUFFER(gmesa, 5);
 320     WRITE(gmesa->buf, LBReadMode, gmesa->LBReadMode);
 321     WRITE(gmesa->buf, LBSourceOffset, 0);
 322     WRITE(gmesa->buf, LBWriteMode, LBWriteModeEnable);
 323     WRITE(gmesa->buf, LBWindowOffset, 0);
 324     WRITE(gmesa->buf, LBWindowBase, gmesa->LBWindowBase);
 325
 326     CHECK_DMA_BUFFER(gmesa, 1);
 327     WRITE(gmesa->buf, Rectangle2DControl, 1);
 328
 329     CHECK_DMA_BUFFER(gmesa, 11);
 330     WRITE(gmesa->buf, DepthMode, gmesa->DepthMode);
 331     WRITE(gmesa->buf, ColorDDAMode, gmesa->ColorDDAMode);
 332     WRITE(gmesa->buf, FBBlockColor, 0x00000000);
 333     WRITE(gmesa->buf, ConstantColor, 0x00000000);
 334     WRITE(gmesa->buf, AlphaTestMode, gmesa->AlphaTestMode);
 335     WRITE(gmesa->buf, AlphaBlendMode, gmesa->AlphaBlendMode);
 336     WRITE(gmesa->buf, DitherMode, gmesa->DitherMode);
 337     if (gDRIPriv->numMultiDevices == 2)
 338         WRITE(gmesa->buf, RasterizerMode, RM_MultiGLINT | RM_BiasCoordNearHalf);
 339     else
 340         WRITE(gmesa->buf, RasterizerMode, RM_BiasCoordNearHalf);
 341     WRITE(gmesa->buf, GLINTWindow, gmesa->Window);
 342     WRITE(gmesa->buf, FastClearDepth, gmesa->ClearDepth);
 343     WRITE(gmesa->buf, GLINTDepth, gmesa->ClearDepth);
 344
 345     CHECK_DMA_BUFFER(gmesa, 1);
 346     WRITE(gmesa->buf, EdgeFlag, EdgeFlagEnable);
 347
 348     CHECK_DMA_BUFFER(gmesa, 16);
 349     WRITEF(gmesa->buf, ModelViewMatrix0,  1.0);
 350     WRITEF(gmesa->buf, ModelViewMatrix1,  0.0);
 351     WRITEF(gmesa->buf, ModelViewMatrix2,  0.0);
 352     WRITEF(gmesa->buf, ModelViewMatrix3,  0.0);
 353     WRITEF(gmesa->buf, ModelViewMatrix4,  0.0);
 354     WRITEF(gmesa->buf, ModelViewMatrix5,  1.0);
 355     WRITEF(gmesa->buf, ModelViewMatrix6,  0.0);
 356     WRITEF(gmesa->buf, ModelViewMatrix7,  0.0);
 357     WRITEF(gmesa->buf, ModelViewMatrix8,  0.0);
 358     WRITEF(gmesa->buf, ModelViewMatrix9,  0.0);
 359     WRITEF(gmesa->buf, ModelViewMatrix10, 1.0);
 360     WRITEF(gmesa->buf, ModelViewMatrix11, 0.0);
 361     WRITEF(gmesa->buf, ModelViewMatrix12, 0.0);
 362     WRITEF(gmesa->buf, ModelViewMatrix13, 0.0);
 363     WRITEF(gmesa->buf, ModelViewMatrix14, 0.0);
 364     WRITEF(gmesa->buf, ModelViewMatrix15, 1.0);
 365
 366     CHECK_DMA_BUFFER(gmesa, 16);
 367     WRITEF(gmesa->buf, ModelViewProjectionMatrix0,  1.0);
 368     WRITEF(gmesa->buf, ModelViewProjectionMatrix1,  0.0);
 369     WRITEF(gmesa->buf, ModelViewProjectionMatrix2,  0.0);
 370     WRITEF(gmesa->buf, ModelViewProjectionMatrix3,  0.0);
 371     WRITEF(gmesa->buf, ModelViewProjectionMatrix4,  0.0);
 372     WRITEF(gmesa->buf, ModelViewProjectionMatrix5,  1.0);
 373     WRITEF(gmesa->buf, ModelViewProjectionMatrix6,  0.0);
 374     WRITEF(gmesa->buf, ModelViewProjectionMatrix7,  0.0);
 375     WRITEF(gmesa->buf, ModelViewProjectionMatrix8,  0.0);
 376     WRITEF(gmesa->buf, ModelViewProjectionMatrix9,  0.0);
 377     WRITEF(gmesa->buf, ModelViewProjectionMatrix10, 1.0);
 378     WRITEF(gmesa->buf, ModelViewProjectionMatrix11, 0.0);
 379     WRITEF(gmesa->buf, ModelViewProjectionMatrix12, 0.0);
 380     WRITEF(gmesa->buf, ModelViewProjectionMatrix13, 0.0);
 381     WRITEF(gmesa->buf, ModelViewProjectionMatrix14, 0.0);
 382     WRITEF(gmesa->buf, ModelViewProjectionMatrix15, 1.0);
 383
 384     CHECK_DMA_BUFFER(gmesa, 16);
 385     WRITEF(gmesa->buf, TextureMatrix0,  1.0);
 386     WRITEF(gmesa->buf, TextureMatrix1,  0.0);
 387     WRITEF(gmesa->buf, TextureMatrix2,  0.0);
 388     WRITEF(gmesa->buf, TextureMatrix3,  0.0);
 389     WRITEF(gmesa->buf, TextureMatrix4,  0.0);
 390     WRITEF(gmesa->buf, TextureMatrix5,  1.0);
 391     WRITEF(gmesa->buf, TextureMatrix6,  0.0);
 392     WRITEF(gmesa->buf, TextureMatrix7,  0.0);
 393     WRITEF(gmesa->buf, TextureMatrix8,  0.0);
 394     WRITEF(gmesa->buf, TextureMatrix9,  0.0);
 395     WRITEF(gmesa->buf, TextureMatrix10, 1.0);
 396     WRITEF(gmesa->buf, TextureMatrix11, 0.0);
 397     WRITEF(gmesa->buf, TextureMatrix12, 0.0);
 398     WRITEF(gmesa->buf, TextureMatrix13, 0.0);
 399     WRITEF(gmesa->buf, TextureMatrix14, 0.0);
 400     WRITEF(gmesa->buf, TextureMatrix15, 1.0);
 401
 402     CHECK_DMA_BUFFER(gmesa, 16);
 403     WRITEF(gmesa->buf, TexGen0,  0.0);
 404     WRITEF(gmesa->buf, TexGen1,  0.0);
 405     WRITEF(gmesa->buf, TexGen2,  0.0);
 406     WRITEF(gmesa->buf, TexGen3,  0.0);
 407     WRITEF(gmesa->buf, TexGen4,  0.0);
 408     WRITEF(gmesa->buf, TexGen5,  0.0);
 409     WRITEF(gmesa->buf, TexGen6,  0.0);
 410     WRITEF(gmesa->buf, TexGen7,  0.0);
 411     WRITEF(gmesa->buf, TexGen8,  0.0);
 412     WRITEF(gmesa->buf, TexGen9,  0.0);
 413     WRITEF(gmesa->buf, TexGen10, 0.0);
 414     WRITEF(gmesa->buf, TexGen11, 0.0);
 415     WRITEF(gmesa->buf, TexGen12, 0.0);
 416     WRITEF(gmesa->buf, TexGen13, 0.0);
 417     WRITEF(gmesa->buf, TexGen14, 0.0);
 418     WRITEF(gmesa->buf, TexGen15, 0.0);
 419
 420     CHECK_DMA_BUFFER(gmesa, 9);
 421     WRITEF(gmesa->buf, NormalMatrix0, 1.0);
 422     WRITEF(gmesa->buf, NormalMatrix1, 0.0);
 423     WRITEF(gmesa->buf, NormalMatrix2, 0.0);
 424     WRITEF(gmesa->buf, NormalMatrix3, 0.0);
 425     WRITEF(gmesa->buf, NormalMatrix4, 1.0);
 426     WRITEF(gmesa->buf, NormalMatrix5, 0.0);
 427     WRITEF(gmesa->buf, NormalMatrix6, 0.0);
 428     WRITEF(gmesa->buf, NormalMatrix7, 0.0);
 429     WRITEF(gmesa->buf, NormalMatrix8, 1.0);
 430
 431     CHECK_DMA_BUFFER(gmesa, 3);
 432     WRITEF(gmesa->buf, FogDensity, 0.0);
 433     WRITEF(gmesa->buf, FogEnd,     0.0);
 434     WRITEF(gmesa->buf, FogScale,   0.0);
 435
 436     CHECK_DMA_BUFFER(gmesa, 2);
 437     WRITEF(gmesa->buf, LineClipLengthThreshold,   0.0);
 438     WRITEF(gmesa->buf, TriangleClipAreaThreshold, 0.0);
 439
 440     CHECK_DMA_BUFFER(gmesa, 5);
 441     WRITE(gmesa->buf, GeometryMode, gmesa->GeometryMode);
 442     WRITE(gmesa->buf, NormalizeMode, NormalizeModeDisable);
 443     WRITE(gmesa->buf, LightingMode, gmesa->LightingMode);
 444     WRITE(gmesa->buf, ColorMaterialMode, ColorMaterialModeDisable);
 445     WRITE(gmesa->buf, MaterialMode, MaterialModeDisable);
 446
 447     CHECK_DMA_BUFFER(gmesa, 2);
 448     WRITE(gmesa->buf, FrontSpecularExponent, 0); /* fixed point */
 449     WRITE(gmesa->buf, BackSpecularExponent,  0); /* fixed point */
 450
 451     CHECK_DMA_BUFFER(gmesa, 29);
 452     WRITEF(gmesa->buf, FrontAmbientColorRed,    0.2);
 453     WRITEF(gmesa->buf, FrontAmbientColorGreen,  0.2);
 454     WRITEF(gmesa->buf, FrontAmbientColorBlue,   0.2);
 455     WRITEF(gmesa->buf, BackAmbientColorRed,     0.2);
 456     WRITEF(gmesa->buf, BackAmbientColorGreen,   0.2);
 457     WRITEF(gmesa->buf, BackAmbientColorBlue,    0.2);
 458     WRITEF(gmesa->buf, FrontDiffuseColorRed,    0.8);
 459     WRITEF(gmesa->buf, FrontDiffuseColorGreen,  0.8);
 460     WRITEF(gmesa->buf, FrontDiffuseColorBlue,   0.8);
 461     WRITEF(gmesa->buf, BackDiffuseColorRed,     0.8);
 462     WRITEF(gmesa->buf, BackDiffuseColorGreen,   0.8);
 463     WRITEF(gmesa->buf, BackDiffuseColorBlue,    0.8);
 464     WRITEF(gmesa->buf, FrontSpecularColorRed,   0.0);
 465     WRITEF(gmesa->buf, FrontSpecularColorGreen, 0.0);
 466     WRITEF(gmesa->buf, FrontSpecularColorBlue,  0.0);
 467     WRITEF(gmesa->buf, BackSpecularColorRed,    0.0);
 468     WRITEF(gmesa->buf, BackSpecularColorGreen,  0.0);
 469     WRITEF(gmesa->buf, BackSpecularColorBlue,   0.0);
 470     WRITEF(gmesa->buf, FrontEmissiveColorRed,   0.0);
 471     WRITEF(gmesa->buf, FrontEmissiveColorGreen, 0.0);
 472     WRITEF(gmesa->buf, FrontEmissiveColorBlue,  0.0);
 473     WRITEF(gmesa->buf, BackEmissiveColorRed,    0.0);
 474     WRITEF(gmesa->buf, BackEmissiveColorGreen,  0.0);
 475     WRITEF(gmesa->buf, BackEmissiveColorBlue,   0.0);
 476     WRITEF(gmesa->buf, SceneAmbientColorRed,    0.2);
 477     WRITEF(gmesa->buf, SceneAmbientColorGreen,  0.2);
 478     WRITEF(gmesa->buf, SceneAmbientColorBlue,   0.2);
 479     WRITEF(gmesa->buf, FrontAlpha,              1.0);
 480     WRITEF(gmesa->buf, BackAlpha,               1.0);
 481
 482     CHECK_DMA_BUFFER(gmesa, 7);
 483     WRITE(gmesa->buf, PointSize, 1);
 484     WRITEF(gmesa->buf, AApointSize, 1.0);
 485     WRITE(gmesa->buf, LineWidth, 1);
 486     WRITEF(gmesa->buf, AAlineWidth, 1.0);
 487     WRITE(gmesa->buf, LineWidthOffset, 0);
 488     WRITE(gmesa->buf, TransformMode, gmesa->TransformMode);
 489     WRITE(gmesa->buf, DeltaMode, gmesa->DeltaMode);
 490
 491     CHECK_DMA_BUFFER(gmesa, 16);
 492     WRITE(gmesa->buf, Light0Mode,  LNM_Off);
 493     WRITE(gmesa->buf, Light1Mode,  LNM_Off);
 494     WRITE(gmesa->buf, Light2Mode,  LNM_Off);
 495     WRITE(gmesa->buf, Light3Mode,  LNM_Off);
 496     WRITE(gmesa->buf, Light4Mode,  LNM_Off);
 497     WRITE(gmesa->buf, Light5Mode,  LNM_Off);
 498     WRITE(gmesa->buf, Light6Mode,  LNM_Off);
 499     WRITE(gmesa->buf, Light7Mode,  LNM_Off);
 500     WRITE(gmesa->buf, Light8Mode,  LNM_Off);
 501     WRITE(gmesa->buf, Light9Mode,  LNM_Off);
 502     WRITE(gmesa->buf, Light10Mode, LNM_Off);
 503     WRITE(gmesa->buf, Light11Mode, LNM_Off);
 504     WRITE(gmesa->buf, Light12Mode, LNM_Off);
 505     WRITE(gmesa->buf, Light13Mode, LNM_Off);
 506     WRITE(gmesa->buf, Light14Mode, LNM_Off);
 507     WRITE(gmesa->buf, Light15Mode, LNM_Off);
 508
 509     CHECK_DMA_BUFFER(gmesa, 22);
 510     WRITEF(gmesa->buf, Light0AmbientIntensityBlue, 0.0);
 511     WRITEF(gmesa->buf, Light0AmbientIntensityGreen, 0.0);
 512     WRITEF(gmesa->buf, Light0AmbientIntensityRed, 0.0);
 513     WRITEF(gmesa->buf, Light0DiffuseIntensityBlue, 1.0);
 514     WRITEF(gmesa->buf, Light0DiffuseIntensityGreen, 1.0);
 515     WRITEF(gmesa->buf, Light0DiffuseIntensityRed, 1.0);
 516     WRITEF(gmesa->buf, Light0SpecularIntensityBlue, 1.0);
 517     WRITEF(gmesa->buf, Light0SpecularIntensityGreen, 1.0);
 518     WRITEF(gmesa->buf, Light0SpecularIntensityRed, 1.0);
 519     WRITEF(gmesa->buf, Light0SpotlightDirectionZ, 0.0);
 520     WRITEF(gmesa->buf, Light0SpotlightDirectionY, 0.0);
 521     WRITEF(gmesa->buf, Light0SpotlightDirectionX, -1.0);
 522     WRITEF(gmesa->buf, Light0SpotlightExponent, 0.0);
 523     WRITEF(gmesa->buf, Light0PositionZ, 0.0);
 524     WRITEF(gmesa->buf, Light0PositionY, 0.0);
 525     WRITEF(gmesa->buf, Light0PositionX, 1.0);
 526     WRITEF(gmesa->buf, Light0PositionW, 0.0);
 527     WRITEF(gmesa->buf, Light0CosSpotlightCutoffAngle, -1.0);
 528     WRITEF(gmesa->buf, Light0ConstantAttenuation, 1.0);
 529     WRITEF(gmesa->buf, Light0LinearAttenuation,   0.0);
 530     WRITEF(gmesa->buf, Light0QuadraticAttenuation,0.0);
 531
 532     CHECK_DMA_BUFFER(gmesa, 2);
 533     WRITEF(gmesa->buf, XBias, 0.0);
 534     WRITEF(gmesa->buf, YBias, 0.0);
 535
 536     CHECK_DMA_BUFFER(gmesa, 6);
 537     WRITEF(gmesa->buf, ViewPortScaleX, gmesa->driScreen->fbWidth/4);
 538     WRITEF(gmesa->buf, ViewPortScaleY, gmesa->driScreen->fbHeight/4);
 539     WRITEF(gmesa->buf, ViewPortScaleZ, 1.0f);
 540     WRITEF(gmesa->buf, ViewPortOffsetX, gmesa->x);
 541     WRITEF(gmesa->buf, ViewPortOffsetY, gmesa->y);
 542     WRITEF(gmesa->buf, ViewPortOffsetZ, 0.0f);
 543
 544     CHECK_DMA_BUFFER(gmesa, 3);
 545     WRITEF(gmesa->buf, Nz, 1.0);
 546     WRITEF(gmesa->buf, Ny, 0.0);
 547     WRITEF(gmesa->buf, Nx, 0.0);
 548
 549     /* Send the initialization commands to the HW */
 550     FLUSH_DMA_BUFFER(gmesa);
 551 }