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 "utils.h"
  38
  39 #include "swrast/swrast.h"
  40 #include "swrast_setup/swrast_setup.h"
  41 #include "tnl/tnl.h"
  42 #include "array_cache/acache.h"
  43
  44 #include "tnl/t_pipeline.h"
  45
  46 #include "drivers/common/driverfuncs.h"
  47
  48 #include "savagedd.h"
  49 #include "savagestate.h"
  50 #include "savagetex.h"
  51 #include "savagespan.h"
  52 #include "savagetris.h"
  53 #include "savageioctl.h"
  54 #include "savage_bci.h"
  55
  56 #include "savage_dri.h"
  57
  58 #include "savagedma.h"
  59
  60 #ifdef USE_NEW_INTERFACE
  61 static PFNGLXCREATECONTEXTMODES create_context_modes = NULL;
  62 #endif /* USE_NEW_INTERFACE */
  63
  64 #ifndef SAVAGE_DEBUG
  65 int SAVAGE_DEBUG = (0
  66 /*                | DEBUG_ALWAYS_SYNC  */
  67 /*                | DEBUG_VERBOSE_RING    */
  68 /*                | DEBUG_VERBOSE_OUTREG  */
  69 /*                | DEBUG_VERBOSE_MSG */
  70 /*                | DEBUG_NO_OUTRING */
  71 /*                | DEBUG_NO_OUTREG */
  72 /*                | DEBUG_VERBOSE_API */
  73 /*                | DEBUG_VERBOSE_2D */
  74 /*                | DEBUG_VERBOSE_DRI */
  75 /*                | DEBUG_VALIDATE_RING */
  76 /*                | DEBUG_VERBOSE_IOCTL */
  77                   );
  78 #endif
  79
  80
  81 /*For time caculating test*/
  82 #if defined(DEBUG_TIME) && DEBUG_TIME
  83 struct timeval tv_s,tv_f;
  84 unsigned long time_sum=0;
  85 struct timeval tv_s1,tv_f1;
  86 #endif
  87
  88 static const char *const card_extensions[] =
  89 {
  90     "GL_ARB_multitexture",
  91     "GL_EXT_texture_lod_bias",
  92     "GL_EXT_texture_env_add",
  93     NULL
  94 };
  95
  96 /* this is first function called in dirver*/
  97
  98 static GLboolean
  99 savageInitDriver(__DRIscreenPrivate *sPriv)
 100 {
 101   savageScreenPrivate *savageScreen;
 102   SAVAGEDRIPtr         gDRIPriv = (SAVAGEDRIPtr)sPriv->pDevPriv;
 103
 104
 105    /* Allocate the private area */
 106    savageScreen = (savageScreenPrivate *)Xmalloc(sizeof(savageScreenPrivate));
 107    if (!savageScreen)
 108       return GL_FALSE;
 109
 110    savageScreen->driScrnPriv = sPriv;
 111    sPriv->private = (void *)savageScreen;
 112
 113    savageScreen->chipset=gDRIPriv->chipset;
 114    savageScreen->width=gDRIPriv->width;
 115    savageScreen->height=gDRIPriv->height;
 116    savageScreen->mem=gDRIPriv->mem;
 117    savageScreen->cpp=gDRIPriv->cpp;
 118    savageScreen->zpp=gDRIPriv->zpp;
 119    savageScreen->frontPitch=gDRIPriv->frontPitch;
 120    savageScreen->frontOffset=gDRIPriv->frontOffset;
 121    savageScreen->frontBitmapDesc = gDRIPriv->frontBitmapDesc;
 122
 123    if (gDRIPriv->cpp == 4)
 124        savageScreen->frontFormat = DV_PF_8888;
 125    else
 126        savageScreen->frontFormat = DV_PF_565;
 127
 128    savageScreen->backOffset = gDRIPriv->backOffset;
 129    savageScreen->backBitmapDesc = gDRIPriv->backBitmapDesc;
 130    savageScreen->depthOffset=gDRIPriv->depthOffset;
 131    savageScreen->depthBitmapDesc = gDRIPriv->depthBitmapDesc;
 132 #if 0
 133    savageScreen->backPitch = gDRIPriv->auxPitch;
 134    savageScreen->backPitchBits = gDRIPriv->auxPitchBits;
 135 #endif
 136    savageScreen->textureOffset[SAVAGE_CARD_HEAP] =
 137                                    gDRIPriv->textureOffset;
 138    savageScreen->textureSize[SAVAGE_CARD_HEAP] =
 139                                    gDRIPriv->textureSize;
 140    savageScreen->logTextureGranularity[SAVAGE_CARD_HEAP] =
 141                                    gDRIPriv->logTextureGranularity;
 142
 143    savageScreen->textureOffset[SAVAGE_AGP_HEAP] =
 144                                    gDRIPriv->agpTextures.handle;
 145    savageScreen->textureSize[SAVAGE_AGP_HEAP] =
 146                                    gDRIPriv->agpTextures.size;
 147    savageScreen->logTextureGranularity[SAVAGE_AGP_HEAP] =
 148                                    gDRIPriv->logAgpTextureGranularity;
 149
 150    savageScreen->back.handle = gDRIPriv->backbuffer;
 151    savageScreen->back.size = gDRIPriv->backbufferSize;
 152    savageScreen->back.map =
 153        (drmAddress)(((unsigned int)sPriv->pFB)+gDRIPriv->backOffset);
 154
 155    savageScreen->depth.handle = gDRIPriv->depthbuffer;
 156    savageScreen->depth.size = gDRIPriv->depthbufferSize;
 157
 158    savageScreen->depth.map =
 159               (drmAddress)(((unsigned int)sPriv->pFB)+gDRIPriv->depthOffset);
 160
 161    savageScreen->sarea_priv_offset = gDRIPriv->sarea_priv_offset;
 162
 163    savageScreen->texVirtual[SAVAGE_CARD_HEAP] =
 164              (drmAddress)(((unsigned int)sPriv->pFB)+gDRIPriv->textureOffset);
 165
 166    if (drmMap(sPriv->fd,
 167               gDRIPriv->registers.handle,
 168               gDRIPriv->registers.size,
 169               (drmAddress *)&(gDRIPriv->registers.map)) != 0)
 170    {
 171       Xfree(savageScreen);
 172       sPriv->private = NULL;
 173       return GL_FALSE;
 174    }
 175
 176    if (drmMap(sPriv->fd,
 177               gDRIPriv->agpTextures.handle,
 178               gDRIPriv->agpTextures.size,
 179               (drmAddress *)&(gDRIPriv->agpTextures.map)) != 0)
 180    {
 181       Xfree(savageScreen);
 182       sPriv->private = NULL;
 183       return GL_FALSE;
 184    }
 185
 186 /* agp texture*/
 187    savageScreen->texVirtual[SAVAGE_AGP_HEAP] =
 188                         (drmAddress)(gDRIPriv->agpTextures.map);
 189
 190    gDRIPriv->BCIcmdBuf.map = (drmAddress *)
 191                            ((unsigned int)gDRIPriv->registers.map+0x00010000);
 192
 193    savageScreen->aperture.handle = gDRIPriv->aperture.handle;
 194    savageScreen->aperture.size   = gDRIPriv->aperture.size;
 195    if (drmMap(sPriv->fd,
 196               savageScreen->aperture.handle,
 197               savageScreen->aperture.size,
 198               (drmAddress *)&savageScreen->aperture.map) != 0)
 199    {
 200       Xfree(savageScreen);
 201       sPriv->private = NULL;
 202       return GL_FALSE;
 203    }
 204
 205 #if 0
 206    savageDDFastPathInit();
 207    savageDDTrifuncInit();
 208    savageDDSetupInit();
 209 #endif
 210    return GL_TRUE;
 211 }
 212
 213 /* Accessed by dlsym from dri_mesa_init.c
 214  */
 215 static void
 216 savageDestroyScreen(__DRIscreenPrivate *sPriv)
 217 {
 218    savageScreenPrivate *savageScreen = (savageScreenPrivate *)sPriv->private;
 219
 220
 221    Xfree(savageScreen);
 222    sPriv->private = NULL;
 223 }
 224
 225 #if 0
 226 GLvisual *XMesaCreateVisual(Display *dpy,
 227                             __DRIscreenPrivate *driScrnPriv,
 228                             const XVisualInfo *visinfo,
 229                             const __GLXvisualConfig *config)
 230 {
 231    /* Drivers may change the args to _mesa_create_visual() in order to
 232     * setup special visuals.
 233     */
 234    return _mesa_create_visual( config->rgba,
 235                                config->doubleBuffer,
 236                                config->stereo,
 237                                _mesa_bitcount(visinfo->red_mask),
 238                                _mesa_bitcount(visinfo->green_mask),
 239                                _mesa_bitcount(visinfo->blue_mask),
 240                                config->alphaSize,
 241                                0, /* index bits */
 242                                config->depthSize,
 243                                config->stencilSize,
 244                                config->accumRedSize,
 245                                config->accumGreenSize,
 246                                config->accumBlueSize,
 247                                config->accumAlphaSize,
 248                                0 /* num samples */ );
 249 }
 250 #endif
 251
 252
 253 static GLboolean
 254 savageCreateContext( const __GLcontextModes *mesaVis,
 255                      __DRIcontextPrivate *driContextPriv,
 256                      void *sharedContextPrivate )
 257 {
 258    GLcontext *ctx, *shareCtx;
 259    savageContextPtr imesa;
 260    __DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv;
 261    struct dd_function_table functions;
 262    SAVAGEDRIPtr         gDRIPriv = (SAVAGEDRIPtr)sPriv->pDevPriv;
 263    savageScreenPrivate *savageScreen = (savageScreenPrivate *)sPriv->private;
 264    drm_savage_sarea_t *saPriv=(drm_savage_sarea_t *)(((char*)sPriv->pSAREA)+
 265                                                  savageScreen->sarea_priv_offset);
 266    GLuint maxTextureSize, minTextureSize, maxTextureLevels;
 267    int i;
 268    imesa = (savageContextPtr)Xcalloc(sizeof(savageContext), 1);
 269    if (!imesa) {
 270       return GL_FALSE;
 271    }
 272
 273    /* Init default driver functions then plug in savage-specific texture
 274     * functions that are needed as early as during context creation. */
 275    _mesa_init_driver_functions( &functions );
 276    savageDDInitTextureFuncs( &functions );
 277
 278    /* Allocate the Mesa context */
 279    if (sharedContextPrivate)
 280       shareCtx = ((savageContextPtr) sharedContextPrivate)->glCtx;
 281    else
 282       shareCtx = NULL;
 283    ctx = _mesa_create_context(mesaVis, shareCtx, &functions, imesa);
 284    if (!ctx) {
 285       Xfree(imesa);
 286       return GL_FALSE;
 287    }
 288    driContextPriv->driverPrivate = imesa;
 289
 290    if (savageScreen->chipset >= S3_SAVAGE4)
 291        ctx->Const.MaxTextureUnits = 2;
 292    else
 293        ctx->Const.MaxTextureUnits = 1;
 294    ctx->Const.MaxTextureImageUnits = ctx->Const.MaxTextureUnits;
 295    ctx->Const.MaxTextureCoordUnits = ctx->Const.MaxTextureUnits;
 296
 297    /* Set the maximum texture size small enough that we can guarentee
 298     * that all texture units can bind a maximal texture and have them
 299     * in memory at once.
 300     */
 301    if (savageScreen->textureSize[SAVAGE_CARD_HEAP] >
 302        savageScreen->textureSize[SAVAGE_AGP_HEAP]) {
 303        maxTextureSize = savageScreen->textureSize[SAVAGE_CARD_HEAP];
 304        minTextureSize = savageScreen->textureSize[SAVAGE_AGP_HEAP];
 305    } else {
 306        maxTextureSize = savageScreen->textureSize[SAVAGE_AGP_HEAP];
 307        minTextureSize = savageScreen->textureSize[SAVAGE_CARD_HEAP];
 308    }
 309    if (ctx->Const.MaxTextureUnits == 2) {
 310        /* How to distribute two maximum sized textures to two texture heaps?
 311         * If the smaller heap is less then half the size of the bigger one
 312         * then the maximum size is half the size of the bigger heap.
 313         * Otherwise it's the size of the smaller heap. */
 314        if (minTextureSize < maxTextureSize / 2)
 315            maxTextureSize = maxTextureSize / 2;
 316        else
 317            maxTextureSize = minTextureSize;
 318    }
 319    for (maxTextureLevels = 1; maxTextureLevels <= 11; ++maxTextureLevels) {
 320        GLuint size = 1 << maxTextureLevels;
 321        size *= size * 4;  /* 4 bytes per texel */
 322        size = size * 4/3; /* all mipmap levels together take roughly
 323                              4/3 the size of the biggest level */
 324        if (size > maxTextureSize)
 325            break;
 326    }
 327    ctx->Const.MaxTextureLevels = maxTextureLevels;
 328    assert (ctx->Const.MaxTextureLevels > 6); /*spec requires at least 64x64*/
 329
 330 #if 0
 331    ctx->Const.MinLineWidth = 1.0;
 332    ctx->Const.MinLineWidthAA = 1.0;
 333    ctx->Const.MaxLineWidth = 3.0;
 334    ctx->Const.MaxLineWidthAA = 3.0;
 335    ctx->Const.LineWidthGranularity = 1.0;
 336 #endif
 337
 338    /* Dri stuff
 339     */
 340    imesa->hHWContext = driContextPriv->hHWContext;
 341    imesa->driFd = sPriv->fd;
 342    imesa->driHwLock = &sPriv->pSAREA->lock;
 343
 344    imesa->savageScreen = savageScreen;
 345    imesa->driScreen = sPriv;
 346    imesa->sarea = saPriv;
 347    imesa->glBuffer = NULL;
 348
 349    /* DMA buffer */
 350
 351    /*The shadow pointer*/
 352    imesa->shadowPointer =
 353      (volatile GLuint *)((((GLuint)(&saPriv->shadow_status)) + 31) & 0xffffffe0L) ;
 354    /* here we use eventTag1 because eventTag0 is used by HWXvMC*/
 355    imesa->eventTag1 = (volatile GLuint *)(imesa->shadowPointer + 6);
 356    /*   imesa->eventTag1=(volatile GLuint *)(imesa->MMIO_BASE+0x48c04);*/
 357    imesa->shadowCounter = MAX_SHADOWCOUNTER;
 358    imesa->shadowStatus = GL_TRUE;/*Will judge by 2d message */
 359
 360    imesa->MMIO_BASE = (GLuint)gDRIPriv->registers.map;
 361    imesa->BCIBase= (GLuint)gDRIPriv->BCIcmdBuf.map;
 362    for(i=0;i<5;i++)
 363    {
 364        imesa->apertureBase[i] = ((GLuint)savageScreen->aperture.map +
 365                                  0x01000000 * i );
 366    }
 367
 368    imesa->aperturePitch = gDRIPriv->aperturePitch;
 369
 370
 371    /* change texHeap initialize to support two kind of texture heap*/
 372    /* here is some parts of initialization, others in InitDriver() */
 373
 374    imesa->lastTexHeap = savageScreen->texVirtual[SAVAGE_AGP_HEAP] ? 2 : 1;
 375
 376    /*allocate texHeap for multi-tex*/
 377    {
 378      int i;
 379
 380      for(i=0;i<SAVAGE_NR_TEX_HEAPS;i++)
 381      {
 382        imesa->texHeap[i] = mmInit( 0, savageScreen->textureSize[i] );
 383        make_empty_list(&imesa->TexObjList[i]);
 384      }
 385
 386      make_empty_list(&imesa->SwappedOut);
 387    }
 388
 389    imesa->hw_stencil = mesaVis->stencilBits && mesaVis->depthBits == 24;
 390    imesa->depth_scale = (imesa->savageScreen->zpp == 2) ?
 391        (1.0F/0x10000):(1.0F/0x1000000);
 392
 393    imesa->vertex_dma_buffer = NULL;
 394
 395    /* Uninitialized vertex format. Force setting the vertex state in
 396     * savageRenderStart.
 397     */
 398    imesa->vertex_size = 0;
 399
 400    /* Utah stuff
 401     */
 402    imesa->new_state = ~0;
 403    imesa->RenderIndex = ~0;
 404    imesa->dirty = ~0;
 405    imesa->lostContext = GL_TRUE;
 406    imesa->TextureMode = ctx->Texture.Unit[0].EnvMode;
 407    imesa->CurrentTexObj[0] = 0;
 408    imesa->CurrentTexObj[1] = 0;
 409    imesa->texAge[SAVAGE_CARD_HEAP]=0;
 410    imesa->texAge[SAVAGE_AGP_HEAP]=0;
 411
 412    /* Initialize the software rasterizer and helper modules.
 413     */
 414    _swrast_CreateContext( ctx );
 415    _ac_CreateContext( ctx );
 416    _tnl_CreateContext( ctx );
 417
 418    _swsetup_CreateContext( ctx );
 419
 420    /* Install the customized pipeline:
 421     */
 422 #if 0
 423    _tnl_destroy_pipeline( ctx );
 424    _tnl_install_pipeline( ctx, savage_pipeline );
 425 #endif
 426
 427    /* Configure swrast to match hardware characteristics:
 428     */
 429    _tnl_allow_pixel_fog( ctx, GL_FALSE );
 430    _tnl_allow_vertex_fog( ctx, GL_TRUE );
 431    _swrast_allow_pixel_fog( ctx, GL_FALSE );
 432    _swrast_allow_vertex_fog( ctx, GL_TRUE );
 433
 434    ctx->DriverCtx = (void *) imesa;
 435    imesa->glCtx = ctx;
 436    if (savageDMAInit(imesa) == GL_FALSE)
 437        return GL_FALSE;
 438
 439    driInitExtensions( ctx, card_extensions, GL_TRUE );
 440
 441    savageDDInitStateFuncs( ctx );
 442    savageDDInitSpanFuncs( ctx );
 443    savageDDInitDriverFuncs( ctx );
 444    savageDDInitIoctlFuncs( ctx );
 445    savageInitTriFuncs( ctx );
 446
 447    savageDDInitState( imesa );
 448
 449    driContextPriv->driverPrivate = (void *) imesa;
 450
 451    return GL_TRUE;
 452 }
 453
 454 static void
 455 savageDestroyContext(__DRIcontextPrivate *driContextPriv)
 456 {
 457    savageContextPtr imesa = (savageContextPtr) driContextPriv->driverPrivate;
 458
 459    assert (imesa); /* should never be NULL */
 460    if (imesa) {
 461       savageTextureObjectPtr next_t, t;
 462
 463       FLUSH_BATCH(imesa);
 464
 465       /* update for multi-tex*/
 466       {
 467        int i;
 468        for(i=0;i<SAVAGE_NR_TEX_HEAPS;i++)
 469           foreach_s (t, next_t, &(imesa->TexObjList[i]))
 470          savageDestroyTexObj(imesa, t);
 471       }
 472       foreach_s (t, next_t, &(imesa->SwappedOut))
 473          savageDestroyTexObj(imesa, t);
 474       /*free the dma buffer*/
 475       savageDMAClose(imesa);
 476       _swsetup_DestroyContext(imesa->glCtx );
 477       _tnl_DestroyContext( imesa->glCtx );
 478       _ac_DestroyContext( imesa->glCtx );
 479       _swrast_DestroyContext( imesa->glCtx );
 480
 481       /* free the Mesa context */
 482       imesa->glCtx->DriverCtx = NULL;
 483       _mesa_destroy_context(imesa->glCtx);
 484
 485       /* no longer use vertex_dma_buf*/
 486       Xfree(imesa);
 487    }
 488 }
 489
 490 static GLboolean
 491 savageCreateBuffer( __DRIscreenPrivate *driScrnPriv,
 492                     __DRIdrawablePrivate *driDrawPriv,
 493                     const __GLcontextModes *mesaVis,
 494                     GLboolean isPixmap)
 495 {
 496    if (isPixmap) {
 497       return GL_FALSE; /* not implemented */
 498    }
 499    else {
 500        GLboolean swStencil = mesaVis->stencilBits > 0 && mesaVis->depthBits != 24;
 501       driDrawPriv->driverPrivate = (void *)
 502          _mesa_create_framebuffer(mesaVis,
 503                                   GL_FALSE,  /* software depth buffer? */
 504                                   swStencil,
 505                                   mesaVis->accumRedBits > 0,
 506                                   mesaVis->alphaBits > 0 );
 507
 508       return (driDrawPriv->driverPrivate != NULL);
 509    }
 510 }
 511
 512 static void
 513 savageDestroyBuffer(__DRIdrawablePrivate *driDrawPriv)
 514 {
 515    _mesa_destroy_framebuffer((GLframebuffer *) (driDrawPriv->driverPrivate));
 516 }
 517
 518 #if 0
 519 void XMesaSwapBuffers(__DRIdrawablePrivate *driDrawPriv)
 520 {
 521    /* XXX should do swap according to the buffer, not the context! */
 522    savageContextPtr imesa = savageCtx;
 523
 524    FLUSH_VB( imesa->glCtx, "swap buffers" );
 525    savageSwapBuffers(imesa);
 526 }
 527 #endif
 528
 529 void savageXMesaSetFrontClipRects( savageContextPtr imesa )
 530 {
 531    __DRIdrawablePrivate *dPriv = imesa->driDrawable;
 532
 533    imesa->numClipRects = dPriv->numClipRects;
 534    imesa->pClipRects = dPriv->pClipRects;
 535    imesa->dirty |= SAVAGE_UPLOAD_CLIPRECTS;
 536    imesa->drawX = dPriv->x;
 537    imesa->drawY = dPriv->y;
 538
 539    savageEmitDrawingRectangle( imesa );
 540 }
 541
 542
 543 void savageXMesaSetBackClipRects( savageContextPtr imesa )
 544 {
 545    __DRIdrawablePrivate *dPriv = imesa->driDrawable;
 546
 547    if (dPriv->numBackClipRects == 0)
 548    {
 549
 550
 551       imesa->numClipRects = dPriv->numClipRects;
 552       imesa->pClipRects = dPriv->pClipRects;
 553       imesa->drawX = dPriv->x;
 554       imesa->drawY = dPriv->y;
 555    } else {
 556
 557
 558       imesa->numClipRects = dPriv->numBackClipRects;
 559       imesa->pClipRects = dPriv->pBackClipRects;
 560       imesa->drawX = dPriv->backX;
 561       imesa->drawY = dPriv->backY;
 562    }
 563
 564    savageEmitDrawingRectangle( imesa );
 565    imesa->dirty |= SAVAGE_UPLOAD_CLIPRECTS;
 566
 567
 568 }
 569
 570
 571 static void savageXMesaWindowMoved( savageContextPtr imesa )
 572 {
 573    if (0)
 574       fprintf(stderr, "savageXMesaWindowMoved\n\n");
 575
 576    switch (imesa->glCtx->Color._DrawDestMask[0]) {
 577    case DD_FRONT_LEFT_BIT:
 578       savageXMesaSetFrontClipRects( imesa );
 579       break;
 580    case DD_BACK_LEFT_BIT:
 581       savageXMesaSetBackClipRects( imesa );
 582       break;
 583    default:
 584        break;
 585    }
 586 }
 587
 588
 589 static GLboolean
 590 savageUnbindContext(__DRIcontextPrivate *driContextPriv)
 591 {
 592    savageContextPtr savage = (savageContextPtr) driContextPriv->driverPrivate;
 593    if (savage)
 594       savage->dirty = ~0;
 595
 596    return GL_TRUE;
 597 }
 598
 599 #if 0
 600 static GLboolean
 601 savageOpenFullScreen(__DRIcontextPrivate *driContextPriv)
 602 {
 603
 604
 605
 606     if (driContextPriv) {
 607       savageContextPtr imesa = (savageContextPtr) driContextPriv->driverPrivate;
 608       imesa->IsFullScreen = GL_TRUE;
 609       imesa->backup_frontOffset = imesa->savageScreen->frontOffset;
 610       imesa->backup_backOffset = imesa->savageScreen->backOffset;
 611       imesa->backup_frontBitmapDesc = imesa->savageScreen->frontBitmapDesc;
 612       imesa->savageScreen->frontBitmapDesc = imesa->savageScreen->backBitmapDesc;
 613       imesa->toggle = TARGET_BACK;
 614    }
 615
 616     return GL_TRUE;
 617 }
 618
 619 static GLboolean
 620 savageCloseFullScreen(__DRIcontextPrivate *driContextPriv)
 621 {
 622
 623     if (driContextPriv) {
 624       savageContextPtr imesa = (savageContextPtr) driContextPriv->driverPrivate;
 625       WAIT_IDLE_EMPTY;
 626       imesa->IsFullScreen = GL_FALSE;
 627       imesa->savageScreen->frontOffset = imesa->backup_frontOffset;
 628       imesa->savageScreen->backOffset = imesa->backup_backOffset;
 629       imesa->savageScreen->frontBitmapDesc = imesa->backup_frontBitmapDesc;
 630    }
 631     return GL_TRUE;
 632 }
 633 #endif
 634
 635 static GLboolean
 636 savageMakeCurrent(__DRIcontextPrivate *driContextPriv,
 637                   __DRIdrawablePrivate *driDrawPriv,
 638                   __DRIdrawablePrivate *driReadPriv)
 639 {
 640    if (driContextPriv) {
 641       savageContextPtr imesa = (savageContextPtr) driContextPriv->driverPrivate;
 642
 643       imesa->driReadable = driReadPriv;
 644       imesa->driDrawable = driDrawPriv;
 645       imesa->mesa_drawable = driDrawPriv;
 646       imesa->dirty = ~0;
 647
 648       _mesa_make_current2(imesa->glCtx,
 649                           (GLframebuffer *) driDrawPriv->driverPrivate,
 650                           (GLframebuffer *) driReadPriv->driverPrivate);
 651
 652       savageXMesaWindowMoved( imesa );
 653    }
 654    else
 655    {
 656       _mesa_make_current(NULL, NULL);
 657    }
 658    return GL_TRUE;
 659 }
 660
 661
 662 void savageGetLock( savageContextPtr imesa, GLuint flags )
 663 {
 664    __DRIdrawablePrivate *dPriv = imesa->driDrawable;
 665    __DRIscreenPrivate *sPriv = imesa->driScreen;
 666    drm_savage_sarea_t *sarea = imesa->sarea;
 667    int me = imesa->hHWContext;
 668    int stamp = dPriv->lastStamp;
 669    int heap;
 670
 671
 672
 673    /* We know there has been contention.
 674     */
 675    drmGetLock(imesa->driFd, imesa->hHWContext, flags);
 676
 677
 678    /* Note contention for throttling hint
 679     */
 680    imesa->any_contend = 1;
 681
 682    /* If the window moved, may need to set a new cliprect now.
 683     *
 684     * NOTE: This releases and regains the hw lock, so all state
 685     * checking must be done *after* this call:
 686     */
 687    DRI_VALIDATE_DRAWABLE_INFO(sPriv, dPriv);
 688
 689
 690
 691
 692    /* If we lost context, need to dump all registers to hardware.
 693     * Note that we don't care about 2d contexts, even if they perform
 694     * accelerated commands, so the DRI locking in the X server is even
 695     * more broken than usual.
 696     */
 697    if (sarea->ctxOwner != me) {
 698       imesa->dirty |= (SAVAGE_UPLOAD_CTX |
 699                        SAVAGE_UPLOAD_CLIPRECTS |
 700                        SAVAGE_UPLOAD_TEX0 |
 701                        SAVAGE_UPLOAD_TEX1);
 702       imesa->lostContext = GL_TRUE;
 703       sarea->ctxOwner = me;
 704    }
 705
 706    /* Shared texture managment - if another client has played with
 707     * texture space, figure out which if any of our textures have been
 708     * ejected, and update our global LRU.
 709     */
 710    /*frank just for compiling,texAge,texList,AGP*/
 711
 712    for(heap= 0 ;heap < imesa->lastTexHeap ; heap++)
 713    {
 714        if (sarea->texAge[heap] != imesa->texAge[heap]) {
 715            int sz = 1 << (imesa->savageScreen->logTextureGranularity[heap]);
 716            int idx, nr = 0;
 717
 718       /* Have to go right round from the back to ensure stuff ends up
 719        * LRU in our local list...
 720        */
 721            for (idx = sarea->texList[heap][SAVAGE_NR_TEX_REGIONS].prev ;
 722                idx != SAVAGE_NR_TEX_REGIONS && nr < SAVAGE_NR_TEX_REGIONS ;
 723                idx = sarea->texList[heap][idx].prev, nr++)
 724            {
 725                if (sarea->texList[heap][idx].age > imesa->texAge[heap])
 726                {
 727                    savageTexturesGone(imesa, heap ,idx * sz, sz,
 728                                       sarea->texList[heap][idx].in_use);
 729                }
 730            }
 731
 732            if (nr == SAVAGE_NR_TEX_REGIONS)
 733            {
 734               savageTexturesGone(imesa, heap, 0,
 735                                  imesa->savageScreen->textureSize[heap], 0);
 736               savageResetGlobalLRU( imesa , heap );
 737            }
 738
 739            imesa->dirty |= SAVAGE_UPLOAD_TEX0IMAGE;
 740            imesa->dirty |= SAVAGE_UPLOAD_TEX1IMAGE;
 741            imesa->texAge[heap] = sarea->texAge[heap];
 742        }
 743    } /* end of for loop */
 744
 745    if (dPriv->lastStamp != stamp)
 746       savageXMesaWindowMoved( imesa );
 747
 748
 749
 750 }
 751
 752
 753
 754 static const struct __DriverAPIRec savageAPI = {
 755    savageInitDriver,
 756    savageDestroyScreen,
 757    savageCreateContext,
 758    savageDestroyContext,
 759    savageCreateBuffer,
 760    savageDestroyBuffer,
 761    savageSwapBuffers,
 762    savageMakeCurrent,
 763    savageUnbindContext
 764 };
 765
 766
 767
 768 #ifndef DRI_NEW_INTERFACE_ONLY
 769 /*
 770  * This is the (old) bootstrap function for the driver.
 771  * The __driCreateScreen name is the symbol that libGL.so fetches.
 772  * Return:  pointer to a __DRIscreenPrivate.
 773  */
 774 void *__driCreateScreen(Display *dpy, int scrn, __DRIscreen *psc,
 775                         int numConfigs, __GLXvisualConfig *config)
 776 {
 777    __DRIscreenPrivate *psp;
 778    psp = __driUtilCreateScreen(dpy, scrn, psc, numConfigs, config, &savageAPI);
 779    return (void *) psp;
 780 }
 781 #endif /* DRI_NEW_INTERFACE_ONLY */
 782
 783
 784
 785 #ifdef USE_NEW_INTERFACE
 786 static __GLcontextModes *
 787 savageFillInModes( unsigned pixel_bits, unsigned depth_bits,
 788                    unsigned stencil_bits, GLboolean have_back_buffer )
 789 {
 790     __GLcontextModes * modes;
 791     __GLcontextModes * m;
 792     unsigned num_modes;
 793     unsigned depth_buffer_factor;
 794     unsigned back_buffer_factor;
 795     GLenum fb_format;
 796     GLenum fb_type;
 797
 798     /* Right now GLX_SWAP_COPY_OML isn't supported, but it would be easy
 799      * enough to add support.  Basically, if a context is created with an
 800      * fbconfig where the swap method is GLX_SWAP_COPY_OML, pageflipping
 801      * will never be used.
 802      *
 803      * FK: What about drivers that don't use page flipping? Could they
 804      * just expose GLX_SWAP_COPY_OML?
 805      */
 806     static const GLenum back_buffer_modes[] = {
 807         GLX_NONE, GLX_SWAP_UNDEFINED_OML /*, GLX_SWAP_COPY_OML */
 808     };
 809
 810     u_int8_t depth_bits_array[2];
 811     u_int8_t stencil_bits_array[2];
 812
 813
 814     depth_bits_array[0] = depth_bits;
 815     depth_bits_array[1] = depth_bits;
 816
 817     /* Just like with the accumulation buffer, always provide some modes
 818      * with a stencil buffer.  It will be a sw fallback, but some apps won't
 819      * care about that.
 820      */
 821     stencil_bits_array[0] = 0;
 822     stencil_bits_array[1] = (stencil_bits == 0) ? 8 : stencil_bits;
 823
 824     depth_buffer_factor = ((depth_bits != 0) || (stencil_bits != 0)) ? 2 : 1;
 825     back_buffer_factor  = (have_back_buffer) ? 2 : 1;
 826
 827     num_modes = depth_buffer_factor * back_buffer_factor * 4;
 828
 829     if ( pixel_bits == 16 ) {
 830         fb_format = GL_RGB;
 831         fb_type = GL_UNSIGNED_SHORT_5_6_5;
 832     }
 833     else {
 834         fb_format = GL_BGR;
 835         fb_type = GL_UNSIGNED_INT_8_8_8_8_REV;
 836     }
 837
 838     modes = (*create_context_modes)( num_modes, sizeof( __GLcontextModes ) );
 839     m = modes;
 840     if ( ! driFillInModes( & m, fb_format, fb_type,
 841                            depth_bits_array, stencil_bits_array, depth_buffer_factor,
 842                            back_buffer_modes, back_buffer_factor,
 843                            GLX_TRUE_COLOR ) ) {
 844         fprintf( stderr, "[%s:%u] Error creating FBConfig!\n",
 845                  __func__, __LINE__ );
 846         return NULL;
 847     }
 848
 849     if ( ! driFillInModes( & m, fb_format, fb_type,
 850                            depth_bits_array, stencil_bits_array, depth_buffer_factor,
 851                            back_buffer_modes, back_buffer_factor,
 852                            GLX_DIRECT_COLOR ) ) {
 853         fprintf( stderr, "[%s:%u] Error creating FBConfig!\n",
 854                  __func__, __LINE__ );
 855         return NULL;
 856     }
 857
 858     /* Mark the visual as slow if there are "fake" stencil bits.
 859      */
 860     for ( m = modes ; m != NULL ; m = m->next ) {
 861         if ( (m->stencilBits != 0) && (m->stencilBits != stencil_bits) ) {
 862             m->visualRating = GLX_SLOW_CONFIG;
 863         }
 864     }
 865
 866     return modes;
 867 }
 868
 869
 870 /**
 871  * This is the bootstrap function for the driver.  libGL supplies all of the
 872  * requisite information about the system, and the driver initializes itself.
 873  * This routine also fills in the linked list pointed to by \c driver_modes
 874  * with the \c __GLcontextModes that the driver can support for windows or
 875  * pbuffers.
 876  *
 877  * \return A pointer to a \c __DRIscreenPrivate on success, or \c NULL on
 878  *         failure.
 879  */
 880 void * __driCreateNewScreen( __DRInativeDisplay *dpy, int scrn, __DRIscreen *psc,
 881                              const __GLcontextModes * modes,
 882                              const __DRIversion * ddx_version,
 883                              const __DRIversion * dri_version,
 884                              const __DRIversion * drm_version,
 885                              const __DRIframebuffer * frame_buffer,
 886                              drmAddress pSAREA, int fd,
 887                              int internal_api_version,
 888                              __GLcontextModes ** driver_modes )
 889
 890 {
 891    __DRIscreenPrivate *psp;
 892    static const __DRIversion ddx_expected = { 1, 0, 0 };
 893    static const __DRIversion dri_expected = { 4, 0, 0 };
 894    static const __DRIversion drm_expected = { 1, 0, 0 };
 895
 896
 897    if ( ! driCheckDriDdxDrmVersions2( "Savage",
 898                                       dri_version, & dri_expected,
 899                                       ddx_version, & ddx_expected,
 900                                       drm_version, & drm_expected ) ) {
 901       return NULL;
 902    }
 903
 904    psp = __driUtilCreateNewScreen(dpy, scrn, psc, NULL,
 905                                   ddx_version, dri_version, drm_version,
 906                                   frame_buffer, pSAREA, fd,
 907                                   internal_api_version, &savageAPI);
 908    if ( psp != NULL ) {
 909       create_context_modes = (PFNGLXCREATECONTEXTMODES)
 910           glXGetProcAddress( (const GLubyte *) "__glXCreateContextModes" );
 911       if ( create_context_modes != NULL ) {
 912          SAVAGEDRIPtr dri_priv = (SAVAGEDRIPtr)psp->pDevPriv;
 913          *driver_modes = savageFillInModes( dri_priv->cpp*8,
 914                                             (dri_priv->cpp == 2) ? 16 : 24,
 915                                             (dri_priv->cpp == 2) ? 0  : 8,
 916                                             (dri_priv->backOffset != dri_priv->depthOffset) );
 917       }
 918    }
 919
 920    return (void *) psp;
 921 }
 922 #endif /* USE_NEW_INTERFACE */
 923
 924 #endif