src/mesa/drivers/dri/savage/savage_xmesa.c

   1 /*
   2  * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
   3  * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sub license,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice (including the
  13  * next paragraph) shall be included in all copies or substantial portions
  14  * of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  19  * VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  22  * DEALINGS IN THE SOFTWARE.
  23  */
  24
  25
  26 #ifdef GLX_DIRECT_RENDERING
  27
  28 #include <X11/Xlibint.h>
  29 #include <stdio.h>
  30
  31 #include "savagecontext.h"
  32 #include "context.h"
  33 #include "matrix.h"
  34
  35 #include "simple_list.h"
  36
  37 #include "swrast/swrast.h"
  38 #include "swrast_setup/swrast_setup.h"
  39 #include "tnl/tnl.h"
  40 #include "array_cache/acache.h"
  41
  42 #include "tnl/t_pipeline.h"
  43
  44 #include "drivers/common/driverfuncs.h"
  45
  46 #include "savagedd.h"
  47 #include "savagestate.h"
  48 #include "savagetex.h"
  49 #include "savagespan.h"
  50 #include "savagetris.h"
  51 #include "savageioctl.h"
  52 #include "savage_bci.h"
  53
  54 #include "savage_dri.h"
  55
  56 #include "savagedma.h"
  57
  58 #ifndef SAVAGE_DEBUG
  59 int SAVAGE_DEBUG = (0
  60 /*                | DEBUG_ALWAYS_SYNC  */
  61 /*                | DEBUG_VERBOSE_RING    */
  62 /*                | DEBUG_VERBOSE_OUTREG  */
  63 /*                | DEBUG_VERBOSE_MSG */
  64 /*                | DEBUG_NO_OUTRING */
  65 /*                | DEBUG_NO_OUTREG */
  66 /*                | DEBUG_VERBOSE_API */
  67 /*                | DEBUG_VERBOSE_2D */
  68 /*                | DEBUG_VERBOSE_DRI */
  69 /*                | DEBUG_VALIDATE_RING */
  70 /*                | DEBUG_VERBOSE_IOCTL */
  71                   );
  72 #endif
  73
  74
  75 /*For time caculating test*/
  76 #if defined(DEBUG_TIME) && DEBUG_TIME
  77 struct timeval tv_s,tv_f;
  78 unsigned long time_sum=0;
  79 struct timeval tv_s1,tv_f1;
  80 #endif
  81
  82 /* this is first function called in dirver*/
  83
  84 static GLboolean
  85 savageInitDriver(__DRIscreenPrivate *sPriv)
  86 {
  87   savageScreenPrivate *savageScreen;
  88   SAVAGEDRIPtr         gDRIPriv = (SAVAGEDRIPtr)sPriv->pDevPriv;
  89
  90
  91   /* Check the DRI version */
  92    {
  93       int major, minor, patch;
  94       if (XF86DRIQueryVersion(sPriv->display, &major, &minor, &patch)) {
  95          if (major != 4 || minor < 0) {
  96             __driUtilMessage("savage DRI driver expected DRI version 4.0.x but got version %d.%d.%d", major, minor, patch);
  97             return GL_FALSE;
  98          }
  99       }
 100    }
 101
 102    /* Check that the DDX driver version is compatible */
 103    if (sPriv->ddxMajor != 1 ||
 104        sPriv->ddxMinor < 0) {
 105       __driUtilMessage("savage DRI driver expected DDX driver version 1.0.x but got version %d.%d.%d", sPriv->ddxMajor, sPriv->ddxMinor, sPriv->ddxPatch);
 106       return GL_FALSE;
 107    }
 108
 109    /* Check that the DRM driver version is compatible */
 110    if (sPriv->drmMajor != 1 ||
 111        sPriv->drmMinor < 0) {
 112       __driUtilMessage("savage DRI driver expected DRM driver version 1.1.x but got version %d.%d.%d", sPriv->drmMajor, sPriv->drmMinor, sPriv->drmPatch);
 113       return GL_FALSE;
 114    }
 115
 116    /* Allocate the private area */
 117    savageScreen = (savageScreenPrivate *)Xmalloc(sizeof(savageScreenPrivate));
 118    if (!savageScreen)
 119       return GL_FALSE;
 120
 121    savageScreen->driScrnPriv = sPriv;
 122    sPriv->private = (void *)savageScreen;
 123
 124    savageScreen->chipset=gDRIPriv->chipset;
 125    savageScreen->width=gDRIPriv->width;
 126    savageScreen->height=gDRIPriv->height;
 127    savageScreen->mem=gDRIPriv->mem;
 128    savageScreen->cpp=gDRIPriv->cpp;
 129    savageScreen->zpp=gDRIPriv->zpp;
 130    savageScreen->frontPitch=gDRIPriv->frontPitch;
 131    savageScreen->frontOffset=gDRIPriv->frontOffset;
 132    savageScreen->frontBitmapDesc = gDRIPriv->frontBitmapDesc;
 133
 134    if (gDRIPriv->cpp == 4)
 135        savageScreen->frontFormat = DV_PF_8888;
 136    else
 137        savageScreen->frontFormat = DV_PF_565;
 138
 139    savageScreen->backOffset = gDRIPriv->backOffset;
 140    savageScreen->backBitmapDesc = gDRIPriv->backBitmapDesc;
 141    savageScreen->depthOffset=gDRIPriv->depthOffset;
 142    savageScreen->depthBitmapDesc = gDRIPriv->depthBitmapDesc;
 143 #if 0
 144    savageScreen->backPitch = gDRIPriv->auxPitch;
 145    savageScreen->backPitchBits = gDRIPriv->auxPitchBits;
 146 #endif
 147    savageScreen->textureOffset[SAVAGE_CARD_HEAP] =
 148                                    gDRIPriv->textureOffset;
 149    savageScreen->textureSize[SAVAGE_CARD_HEAP] =
 150                                    gDRIPriv->textureSize;
 151    savageScreen->logTextureGranularity[SAVAGE_CARD_HEAP] =
 152                                    gDRIPriv->logTextureGranularity;
 153
 154    savageScreen->textureOffset[SAVAGE_AGP_HEAP] =
 155                                    gDRIPriv->agpTextures.handle;
 156    savageScreen->textureSize[SAVAGE_AGP_HEAP] =
 157                                    gDRIPriv->agpTextures.size;
 158    savageScreen->logTextureGranularity[SAVAGE_AGP_HEAP] =
 159                                    gDRIPriv->logAgpTextureGranularity;
 160
 161    savageScreen->back.handle = gDRIPriv->backbuffer;
 162    savageScreen->back.size = gDRIPriv->backbufferSize;
 163    savageScreen->back.map =
 164        (drmAddress)(((unsigned int)sPriv->pFB)+gDRIPriv->backOffset);
 165
 166    savageScreen->depth.handle = gDRIPriv->depthbuffer;
 167    savageScreen->depth.size = gDRIPriv->depthbufferSize;
 168
 169    savageScreen->depth.map =
 170               (drmAddress)(((unsigned int)sPriv->pFB)+gDRIPriv->depthOffset);
 171
 172    savageScreen->sarea_priv_offset = gDRIPriv->sarea_priv_offset;
 173
 174    savageScreen->texVirtual[SAVAGE_CARD_HEAP] =
 175              (drmAddress)(((unsigned int)sPriv->pFB)+gDRIPriv->textureOffset);
 176 #if 0
 177    savageDDFastPathInit();
 178    savageDDTrifuncInit();
 179    savageDDSetupInit();
 180 #endif
 181    return GL_TRUE;
 182 }
 183
 184 /* Accessed by dlsym from dri_mesa_init.c
 185  */
 186 static void
 187 savageDestroyScreen(__DRIscreenPrivate *sPriv)
 188 {
 189    savageScreenPrivate *savageScreen = (savageScreenPrivate *)sPriv->private;
 190
 191
 192    Xfree(savageScreen);
 193    sPriv->private = NULL;
 194 }
 195
 196 #if 0
 197 GLvisual *XMesaCreateVisual(Display *dpy,
 198                             __DRIscreenPrivate *driScrnPriv,
 199                             const XVisualInfo *visinfo,
 200                             const __GLXvisualConfig *config)
 201 {
 202    /* Drivers may change the args to _mesa_create_visual() in order to
 203     * setup special visuals.
 204     */
 205    return _mesa_create_visual( config->rgba,
 206                                config->doubleBuffer,
 207                                config->stereo,
 208                                _mesa_bitcount(visinfo->red_mask),
 209                                _mesa_bitcount(visinfo->green_mask),
 210                                _mesa_bitcount(visinfo->blue_mask),
 211                                config->alphaSize,
 212                                0, /* index bits */
 213                                config->depthSize,
 214                                config->stencilSize,
 215                                config->accumRedSize,
 216                                config->accumGreenSize,
 217                                config->accumBlueSize,
 218                                config->accumAlphaSize,
 219                                0 /* num samples */ );
 220 }
 221 #endif
 222
 223
 224 static GLboolean
 225 savageCreateContext( const __GLcontextModes *mesaVis,
 226                      __DRIcontextPrivate *driContextPriv,
 227                      void *sharedContextPrivate )
 228 {
 229    GLcontext *ctx, *shareCtx;
 230    savageContextPtr imesa;
 231    __DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv;
 232    struct dd_function_table functions;
 233    SAVAGEDRIPtr         gDRIPriv = (SAVAGEDRIPtr)sPriv->pDevPriv;
 234    savageScreenPrivate *savageScreen = (savageScreenPrivate *)sPriv->private;
 235    drm_savage_sarea_t *saPriv=(drm_savage_sarea_t *)(((char*)sPriv->pSAREA)+
 236                                                  savageScreen->sarea_priv_offset);
 237    int i;
 238    imesa = (savageContextPtr)Xcalloc(sizeof(savageContext), 1);
 239    if (!imesa) {
 240       return GL_FALSE;
 241    }
 242
 243    /* Init default driver functions then plug in savage-specific texture
 244     * functions that are needed as early as during context creation. */
 245    _mesa_init_driver_functions( &functions );
 246    savageDDInitTextureFuncs( &functions );
 247
 248    /* Allocate the Mesa context */
 249    if (sharedContextPrivate)
 250       shareCtx = ((savageContextPtr) sharedContextPrivate)->glCtx;
 251    else
 252       shareCtx = NULL;
 253    ctx = _mesa_create_context(mesaVis, shareCtx, &functions, imesa);
 254    if (!ctx) {
 255       Xfree(imesa);
 256       return GL_FALSE;
 257    }
 258    driContextPriv->driverPrivate = imesa;
 259
 260    /*   BEGIN;*/
 261    /* Set the maximum texture size small enough that we can guarentee
 262     * that both texture units can bind a maximal texture and have them
 263     * in memory at once.
 264     */
 265    if (savageScreen->textureSize[SAVAGE_CARD_HEAP] < 2*1024*1024) {
 266       ctx->Const.MaxTextureLevels = 9;
 267    } else if (savageScreen->textureSize[SAVAGE_CARD_HEAP] < 8*1024*1024) {
 268       ctx->Const.MaxTextureLevels = 10;
 269    } else {
 270       ctx->Const.MaxTextureLevels = 11;
 271    }
 272    if (savageScreen->chipset >= S3_SAVAGE4)
 273        ctx->Const.MaxTextureUnits = 2;
 274    else
 275        ctx->Const.MaxTextureUnits = 1;
 276    ctx->Const.MaxTextureImageUnits = ctx->Const.MaxTextureUnits;
 277    ctx->Const.MaxTextureCoordUnits = ctx->Const.MaxTextureUnits;
 278
 279 #if 0
 280    ctx->Const.MinLineWidth = 1.0;
 281    ctx->Const.MinLineWidthAA = 1.0;
 282    ctx->Const.MaxLineWidth = 3.0;
 283    ctx->Const.MaxLineWidthAA = 3.0;
 284    ctx->Const.LineWidthGranularity = 1.0;
 285 #endif
 286
 287    /* Dri stuff
 288     */
 289    imesa->hHWContext = driContextPriv->hHWContext;
 290    imesa->driFd = sPriv->fd;
 291    imesa->driHwLock = &sPriv->pSAREA->lock;
 292
 293    imesa->savageScreen = savageScreen;
 294    imesa->driScreen = sPriv;
 295    imesa->sarea = saPriv;
 296    imesa->glBuffer = NULL;
 297
 298    /* DMA buffer */
 299
 300    /*The shadow pointer*/
 301    imesa->shadowPointer =
 302      (volatile GLuint *)((((GLuint)(&saPriv->shadow_status)) + 31) & 0xffffffe0L) ;
 303    /* here we use eventTag1 because eventTag0 is used by HWXvMC*/
 304    imesa->eventTag1 = (volatile GLuint *)(imesa->shadowPointer + 6);
 305    /*   imesa->eventTag1=(volatile GLuint *)(imesa->MMIO_BASE+0x48c04);*/
 306    imesa->shadowCounter = MAX_SHADOWCOUNTER;
 307    imesa->shadowStatus = GL_TRUE;/*Will judge by 2d message */
 308
 309    if (drmMap(sPriv->fd,
 310               gDRIPriv->registers.handle,
 311               gDRIPriv->registers.size,
 312               (drmAddress *)&(gDRIPriv->registers.map)) != 0)
 313    {
 314       Xfree(savageScreen);
 315       sPriv->private = NULL;
 316       return GL_FALSE;
 317    }
 318
 319    if (drmMap(sPriv->fd,
 320               gDRIPriv->agpTextures.handle,
 321               gDRIPriv->agpTextures.size,
 322               (drmAddress *)&(gDRIPriv->agpTextures.map)) != 0)
 323    {
 324       Xfree(savageScreen);
 325       sPriv->private = NULL;
 326       return GL_FALSE;
 327    }
 328
 329 /* agp texture*/
 330    savageScreen->texVirtual[SAVAGE_AGP_HEAP] =
 331                         (drmAddress)(gDRIPriv->agpTextures.map);
 332
 333
 334
 335    gDRIPriv->BCIcmdBuf.map = (drmAddress *)
 336                            ((unsigned int)gDRIPriv->registers.map+0x00010000);
 337
 338    imesa->MMIO_BASE = (GLuint)gDRIPriv->registers.map;
 339    imesa->BCIBase= (GLuint)gDRIPriv->BCIcmdBuf.map;
 340
 341    savageScreen->aperture.handle = gDRIPriv->aperture.handle;
 342    savageScreen->aperture.size   = gDRIPriv->aperture.size;
 343    if (drmMap(sPriv->fd,
 344               savageScreen->aperture.handle,
 345               savageScreen->aperture.size,
 346               (drmAddress *)&savageScreen->aperture.map) != 0)
 347    {
 348       Xfree(savageScreen);
 349       sPriv->private = NULL;
 350       return GL_FALSE;
 351    }
 352
 353
 354
 355
 356
 357    for(i=0;i<5;i++)
 358    {
 359        imesa->apertureBase[i] = ((GLuint)savageScreen->aperture.map +
 360                                  0x01000000 * i );
 361
 362
 363    }
 364
 365    {
 366       volatile unsigned int * tmp;
 367
 368       tmp=(volatile unsigned int *)(imesa->MMIO_BASE + 0x850C);
 369
 370
 371       tmp=(volatile unsigned int *)(imesa->MMIO_BASE + 0x48C40);
 372
 373
 374       tmp=(volatile unsigned int *)(imesa->MMIO_BASE + 0x48C44);
 375
 376
 377       tmp=(volatile unsigned int *)(imesa->MMIO_BASE + 0x48C48);
 378
 379
 380
 381    }
 382
 383    imesa->aperturePitch = gDRIPriv->aperturePitch;
 384
 385
 386    /* change texHeap initialize to support two kind of texture heap*/
 387    /* here is some parts of initialization, others in InitDriver() */
 388
 389    imesa->lastTexHeap = savageScreen->texVirtual[SAVAGE_AGP_HEAP] ? 2 : 1;
 390
 391    /*allocate texHeap for multi-tex*/
 392    {
 393      int i;
 394
 395      for(i=0;i<SAVAGE_NR_TEX_HEAPS;i++)
 396      {
 397        imesa->texHeap[i] = mmInit( 0, savageScreen->textureSize[i] );
 398        make_empty_list(&imesa->TexObjList[i]);
 399      }
 400
 401      make_empty_list(&imesa->SwappedOut);
 402    }
 403
 404    imesa->hw_stencil = GL_FALSE;
 405 #if HW_STENCIL
 406    imesa->hw_stencil = mesaVis->stencilBits && mesaVis->depthBits == 24;
 407 #endif
 408    imesa->depth_scale = (imesa->savageScreen->zpp == 2) ?
 409        (1.0F/0x10000):(1.0F/0x1000000);
 410
 411    /* Utah stuff
 412     */
 413    imesa->new_state = ~0;
 414    imesa->RenderIndex = ~0;
 415    imesa->dirty = ~0;
 416    imesa->lostContext = GL_TRUE;
 417    imesa->TextureMode = ctx->Texture.Unit[0].EnvMode;
 418    imesa->CurrentTexObj[0] = 0;
 419    imesa->CurrentTexObj[1] = 0;
 420    imesa->texAge[SAVAGE_CARD_HEAP]=0;
 421    imesa->texAge[SAVAGE_AGP_HEAP]=0;
 422
 423    /* Initialize the software rasterizer and helper modules.
 424     */
 425    _swrast_CreateContext( ctx );
 426    _ac_CreateContext( ctx );
 427    _tnl_CreateContext( ctx );
 428
 429    _swsetup_CreateContext( ctx );
 430
 431    /* Install the customized pipeline:
 432     */
 433 #if 0
 434    _tnl_destroy_pipeline( ctx );
 435    _tnl_install_pipeline( ctx, savage_pipeline );
 436 #endif
 437
 438    /* Configure swrast to match hardware characteristics:
 439     */
 440    _tnl_allow_pixel_fog( ctx, GL_FALSE );
 441    _tnl_allow_vertex_fog( ctx, GL_TRUE );
 442    _swrast_allow_pixel_fog( ctx, GL_FALSE );
 443    _swrast_allow_vertex_fog( ctx, GL_TRUE );
 444
 445    ctx->DriverCtx = (void *) imesa;
 446    imesa->glCtx = ctx;
 447    if (savageDMAInit(imesa) == GL_FALSE)
 448        return GL_FALSE;
 449
 450    savageDDExtensionsInit( ctx );
 451
 452    savageDDInitStateFuncs( ctx );
 453    savageDDInitSpanFuncs( ctx );
 454    savageDDInitDriverFuncs( ctx );
 455    savageDDInitIoctlFuncs( ctx );
 456    savageInitTriFuncs( ctx );
 457
 458    savageDDInitState( imesa );
 459
 460    driContextPriv->driverPrivate = (void *) imesa;
 461
 462    return GL_TRUE;
 463 }
 464
 465 static void
 466 savageDestroyContext(__DRIcontextPrivate *driContextPriv)
 467 {
 468    savageContextPtr imesa = (savageContextPtr) driContextPriv->driverPrivate;
 469
 470    assert (imesa); /* should never be NULL */
 471    if (imesa) {
 472       savageTextureObjectPtr next_t, t;
 473
 474       /* update for multi-tex*/
 475       {
 476        int i;
 477        for(i=0;i<SAVAGE_NR_TEX_HEAPS;i++)
 478           foreach_s (t, next_t, &(imesa->TexObjList[i]))
 479          savageDestroyTexObj(imesa, t);
 480       }
 481       foreach_s (t, next_t, &(imesa->SwappedOut))
 482          savageDestroyTexObj(imesa, t);
 483       /*free the dma buffer*/
 484       savageDMAClose(imesa);
 485       _swsetup_DestroyContext(imesa->glCtx );
 486       _tnl_DestroyContext( imesa->glCtx );
 487       _ac_DestroyContext( imesa->glCtx );
 488       _swrast_DestroyContext( imesa->glCtx );
 489
 490       /* free the Mesa context */
 491       imesa->glCtx->DriverCtx = NULL;
 492       _mesa_destroy_context(imesa->glCtx);
 493
 494       /* no longer use vertex_dma_buf*/
 495       Xfree(imesa);
 496    }
 497 }
 498
 499 static GLboolean
 500 savageCreateBuffer( __DRIscreenPrivate *driScrnPriv,
 501                     __DRIdrawablePrivate *driDrawPriv,
 502                     const __GLcontextModes *mesaVis,
 503                     GLboolean isPixmap)
 504 {
 505    if (isPixmap) {
 506       return GL_FALSE; /* not implemented */
 507    }
 508    else {
 509 #if HW_STENCIL
 510        GLboolean swStencil = mesaVis->stencilBits > 0 && mesaVis->depthBits != 24;
 511 #else
 512        GLboolean swStencil = mesaVis->stencilBits > 0;
 513 #endif
 514       driDrawPriv->driverPrivate = (void *)
 515          _mesa_create_framebuffer(mesaVis,
 516                                   GL_FALSE,  /* software depth buffer? */
 517                                   swStencil,
 518                                   mesaVis->accumRedBits > 0,
 519                                   mesaVis->alphaBits > 0 );
 520
 521       return (driDrawPriv->driverPrivate != NULL);
 522    }
 523 }
 524
 525 static void
 526 savageDestroyBuffer(__DRIdrawablePrivate *driDrawPriv)
 527 {
 528    _mesa_destroy_framebuffer((GLframebuffer *) (driDrawPriv->driverPrivate));
 529 }
 530
 531 #if 0
 532 void XMesaSwapBuffers(__DRIdrawablePrivate *driDrawPriv)
 533 {
 534    /* XXX should do swap according to the buffer, not the context! */
 535    savageContextPtr imesa = savageCtx;
 536
 537    FLUSH_VB( imesa->glCtx, "swap buffers" );
 538    savageSwapBuffers(imesa);
 539 }
 540 #endif
 541
 542 void savageXMesaSetFrontClipRects( savageContextPtr imesa )
 543 {
 544    __DRIdrawablePrivate *dPriv = imesa->driDrawable;
 545
 546    imesa->numClipRects = dPriv->numClipRects;
 547    imesa->pClipRects = dPriv->pClipRects;
 548    imesa->dirty |= SAVAGE_UPLOAD_CLIPRECTS;
 549    imesa->drawX = dPriv->x;
 550    imesa->drawY = dPriv->y;
 551
 552    savageEmitDrawingRectangle( imesa );
 553 }
 554
 555
 556 void savageXMesaSetBackClipRects( savageContextPtr imesa )
 557 {
 558    __DRIdrawablePrivate *dPriv = imesa->driDrawable;
 559
 560    if (dPriv->numBackClipRects == 0)
 561    {
 562
 563
 564       imesa->numClipRects = dPriv->numClipRects;
 565       imesa->pClipRects = dPriv->pClipRects;
 566       imesa->drawX = dPriv->x;
 567       imesa->drawY = dPriv->y;
 568    } else {
 569
 570
 571       imesa->numClipRects = dPriv->numBackClipRects;
 572       imesa->pClipRects = dPriv->pBackClipRects;
 573       imesa->drawX = dPriv->backX;
 574       imesa->drawY = dPriv->backY;
 575    }
 576
 577    savageEmitDrawingRectangle( imesa );
 578    imesa->dirty |= SAVAGE_UPLOAD_CLIPRECTS;
 579
 580
 581 }
 582
 583
 584 static void savageXMesaWindowMoved( savageContextPtr imesa )
 585 {
 586    if (0)
 587       fprintf(stderr, "savageXMesaWindowMoved\n\n");
 588
 589    switch (imesa->glCtx->Color._DrawDestMask) {
 590    case FRONT_LEFT_BIT:
 591       savageXMesaSetFrontClipRects( imesa );
 592       break;
 593    case BACK_LEFT_BIT:
 594       savageXMesaSetBackClipRects( imesa );
 595       break;
 596    default:
 597        break;
 598    }
 599 }
 600
 601
 602 static GLboolean
 603 savageUnbindContext(__DRIcontextPrivate *driContextPriv)
 604 {
 605    savageContextPtr savage = (savageContextPtr) driContextPriv->driverPrivate;
 606    if (savage)
 607       savage->dirty = ~0;
 608
 609    return GL_TRUE;
 610 }
 611
 612 static GLboolean
 613 savageOpenFullScreen(__DRIcontextPrivate *driContextPriv)
 614 {
 615
 616
 617
 618     if (driContextPriv) {
 619       savageContextPtr imesa = (savageContextPtr) driContextPriv->driverPrivate;
 620       imesa->IsFullScreen = GL_TRUE;
 621       imesa->backup_frontOffset = imesa->savageScreen->frontOffset;
 622       imesa->backup_backOffset = imesa->savageScreen->backOffset;
 623       imesa->backup_frontBitmapDesc = imesa->savageScreen->frontBitmapDesc;
 624       imesa->savageScreen->frontBitmapDesc = imesa->savageScreen->backBitmapDesc;
 625       imesa->toggle = TARGET_BACK;
 626    }
 627
 628     return GL_TRUE;
 629 }
 630
 631 static GLboolean
 632 savageCloseFullScreen(__DRIcontextPrivate *driContextPriv)
 633 {
 634
 635     if (driContextPriv) {
 636       savageContextPtr imesa = (savageContextPtr) driContextPriv->driverPrivate;
 637       WAIT_IDLE_EMPTY;
 638       imesa->IsFullScreen = GL_FALSE;
 639       imesa->savageScreen->frontOffset = imesa->backup_frontOffset;
 640       imesa->savageScreen->backOffset = imesa->backup_backOffset;
 641       imesa->savageScreen->frontBitmapDesc = imesa->backup_frontBitmapDesc;
 642    }
 643     return GL_TRUE;
 644 }
 645
 646
 647 static GLboolean
 648 savageMakeCurrent(__DRIcontextPrivate *driContextPriv,
 649                   __DRIdrawablePrivate *driDrawPriv,
 650                   __DRIdrawablePrivate *driReadPriv)
 651 {
 652    if (driContextPriv) {
 653       savageContextPtr imesa = (savageContextPtr) driContextPriv->driverPrivate;
 654
 655       imesa->driReadable = driReadPriv;
 656       imesa->driDrawable = driDrawPriv;
 657       imesa->mesa_drawable = driDrawPriv;
 658       imesa->dirty = ~0;
 659
 660       _mesa_make_current2(imesa->glCtx,
 661                           (GLframebuffer *) driDrawPriv->driverPrivate,
 662                           (GLframebuffer *) driReadPriv->driverPrivate);
 663
 664       savageXMesaWindowMoved( imesa );
 665
 666       if (!imesa->glCtx->Viewport.Width)
 667          _mesa_set_viewport(imesa->glCtx, 0, 0,
 668                             driDrawPriv->w, driDrawPriv->h);
 669    }
 670    else
 671    {
 672       _mesa_make_current(NULL, NULL);
 673    }
 674    return GL_TRUE;
 675 }
 676
 677
 678 void savageGetLock( savageContextPtr imesa, GLuint flags )
 679 {
 680    __DRIdrawablePrivate *dPriv = imesa->driDrawable;
 681    __DRIscreenPrivate *sPriv = imesa->driScreen;
 682    drm_savage_sarea_t *sarea = imesa->sarea;
 683    int me = imesa->hHWContext;
 684    int stamp = dPriv->lastStamp;
 685    int heap;
 686
 687
 688
 689    /* We know there has been contention.
 690     */
 691    drmGetLock(imesa->driFd, imesa->hHWContext, flags);
 692
 693
 694    /* Note contention for throttling hint
 695     */
 696    imesa->any_contend = 1;
 697
 698    /* If the window moved, may need to set a new cliprect now.
 699     *
 700     * NOTE: This releases and regains the hw lock, so all state
 701     * checking must be done *after* this call:
 702     */
 703    DRI_VALIDATE_DRAWABLE_INFO(sPriv, dPriv);
 704
 705
 706
 707
 708    /* If we lost context, need to dump all registers to hardware.
 709     * Note that we don't care about 2d contexts, even if they perform
 710     * accelerated commands, so the DRI locking in the X server is even
 711     * more broken than usual.
 712     */
 713    if (sarea->ctxOwner != me) {
 714       imesa->dirty |= (SAVAGE_UPLOAD_CTX |
 715                        SAVAGE_UPLOAD_CLIPRECTS |
 716                        SAVAGE_UPLOAD_TEX0 |
 717                        SAVAGE_UPLOAD_TEX1);
 718       imesa->lostContext = GL_TRUE;
 719       sarea->ctxOwner = me;
 720    }
 721
 722    /* Shared texture managment - if another client has played with
 723     * texture space, figure out which if any of our textures have been
 724     * ejected, and update our global LRU.
 725     */
 726    /*frank just for compiling,texAge,texList,AGP*/
 727
 728    for(heap= 0 ;heap < imesa->lastTexHeap ; heap++)
 729    {
 730        if (sarea->texAge[heap] != imesa->texAge[heap]) {
 731            int sz = 1 << (imesa->savageScreen->logTextureGranularity[heap]);
 732            int idx, nr = 0;
 733
 734       /* Have to go right round from the back to ensure stuff ends up
 735        * LRU in our local list...
 736        */
 737            for (idx = sarea->texList[heap][SAVAGE_NR_TEX_REGIONS].prev ;
 738                idx != SAVAGE_NR_TEX_REGIONS && nr < SAVAGE_NR_TEX_REGIONS ;
 739                idx = sarea->texList[heap][idx].prev, nr++)
 740            {
 741                if (sarea->texList[heap][idx].age > imesa->texAge[heap])
 742                {
 743                    savageTexturesGone(imesa, heap ,idx * sz, sz,
 744                                       sarea->texList[heap][idx].in_use);
 745                }
 746            }
 747
 748            if (nr == SAVAGE_NR_TEX_REGIONS)
 749            {
 750               savageTexturesGone(imesa, heap, 0,
 751                                  imesa->savageScreen->textureSize[heap], 0);
 752               savageResetGlobalLRU( imesa , heap );
 753            }
 754
 755            imesa->dirty |= SAVAGE_UPLOAD_TEX0IMAGE;
 756            imesa->dirty |= SAVAGE_UPLOAD_TEX1IMAGE;
 757            imesa->texAge[heap] = sarea->texAge[heap];
 758        }
 759    } /* end of for loop */
 760
 761    if (dPriv->lastStamp != stamp)
 762       savageXMesaWindowMoved( imesa );
 763
 764
 765
 766 }
 767
 768
 769
 770 static const struct __DriverAPIRec savageAPI = {
 771    savageInitDriver,
 772    savageDestroyScreen,
 773    savageCreateContext,
 774    savageDestroyContext,
 775    savageCreateBuffer,
 776    savageDestroyBuffer,
 777    savageSwapBuffers,
 778    savageMakeCurrent,
 779    savageUnbindContext,
 780    savageOpenFullScreen,
 781    savageCloseFullScreen
 782 };
 783
 784
 785
 786 /*
 787  * This is the bootstrap function for the driver.
 788  * The __driCreateScreen name is the symbol that libGL.so fetches.
 789  * Return:  pointer to a __DRIscreenPrivate.
 790  */
 791 void *__driCreateScreen(Display *dpy, int scrn, __DRIscreen *psc,
 792                         int numConfigs, __GLXvisualConfig *config)
 793 {
 794    __DRIscreenPrivate *psp;
 795    psp = __driUtilCreateScreen(dpy, scrn, psc, numConfigs, config, &savageAPI);
 796    return (void *) psp;
 797 }
 798
 799
 800 #endif