src/mesa/drivers/dri/r128/r128_screen.c

   1 /* $XFree86: xc/lib/GL/mesa/src/drv/r128/r128_screen.c,v 1.9 2003/03/26 20:43:49 tsi Exp $ */
   2 /**************************************************************************
   3
   4 Copyright 1999, 2000 ATI Technologies Inc. and Precision Insight, Inc.,
   5                                                Cedar Park, Texas.
   6 All Rights Reserved.
   7
   8 Permission is hereby granted, free of charge, to any person obtaining a
   9 copy of this software and associated documentation files (the "Software"),
  10 to deal in the Software without restriction, including without limitation
  11 on the rights to use, copy, modify, merge, publish, distribute, sub
  12 license, and/or sell copies of the Software, and to permit persons to whom
  13 the Software is furnished to do so, subject to the following conditions:
  14
  15 The above copyright notice and this permission notice (including the next
  16 paragraph) shall be included in all copies or substantial portions of the
  17 Software.
  18
  19 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  20 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  21 FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  22 ATI, PRECISION INSIGHT AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  23 DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  24 OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  25 USE OR OTHER DEALINGS IN THE SOFTWARE.
  26
  27 **************************************************************************/
  28
  29 /*
  30  * Authors:
  31  *   Gareth Hughes <gareth@valinux.com>
  32  *   Kevin E. Martin <martin@valinux.com>
  33  *
  34  */
  35
  36 #include "r128_dri.h"
  37
  38 #include "r128_context.h"
  39 #include "r128_ioctl.h"
  40 #include "r128_span.h"
  41 #include "r128_tris.h"
  42
  43 #include "context.h"
  44 #include "imports.h"
  45 #include "framebuffer.h"
  46 #include "renderbuffer.h"
  47
  48 #include "utils.h"
  49 #include "vblank.h"
  50
  51 #include "GL/internal/dri_interface.h"
  52
  53 /* R128 configuration
  54  */
  55 #include "xmlpool.h"
  56
  57 PUBLIC const char __driConfigOptions[] =
  58 DRI_CONF_BEGIN
  59     DRI_CONF_SECTION_PERFORMANCE
  60         DRI_CONF_VBLANK_MODE(DRI_CONF_VBLANK_DEF_INTERVAL_0)
  61     DRI_CONF_SECTION_END
  62     DRI_CONF_SECTION_QUALITY
  63         DRI_CONF_TEXTURE_DEPTH(DRI_CONF_TEXTURE_DEPTH_FB)
  64     DRI_CONF_SECTION_END
  65     DRI_CONF_SECTION_DEBUG
  66         DRI_CONF_NO_RAST(false)
  67 #if ENABLE_PERF_BOXES
  68         DRI_CONF_PERFORMANCE_BOXES(false)
  69 #endif
  70     DRI_CONF_SECTION_END
  71 DRI_CONF_END;
  72 #if ENABLE_PERF_BOXES
  73 static const GLuint __driNConfigOptions = 4;
  74 #else
  75 static const GLuint __driNConfigOptions = 3;
  76 #endif
  77
  78 extern const struct dri_extension card_extensions[];
  79
  80 #if 1
  81 /* Including xf86PciInfo.h introduces a bunch of errors...
  82  */
  83 #define PCI_CHIP_RAGE128LE      0x4C45
  84 #define PCI_CHIP_RAGE128LF      0x4C46
  85 #define PCI_CHIP_RAGE128PF      0x5046
  86 #define PCI_CHIP_RAGE128PR      0x5052
  87 #define PCI_CHIP_RAGE128RE      0x5245
  88 #define PCI_CHIP_RAGE128RF      0x5246
  89 #define PCI_CHIP_RAGE128RK      0x524B
  90 #define PCI_CHIP_RAGE128RL      0x524C
  91 #endif
  92
  93
  94 /* Create the device specific screen private data struct.
  95  */
  96 static r128ScreenPtr
  97 r128CreateScreen( __DRIscreenPrivate *sPriv )
  98 {
  99    r128ScreenPtr r128Screen;
 100    R128DRIPtr r128DRIPriv = (R128DRIPtr)sPriv->pDevPriv;
 101    PFNGLXSCRENABLEEXTENSIONPROC glx_enable_extension =
 102      (PFNGLXSCRENABLEEXTENSIONPROC) (*dri_interface->getProcAddress("glxEnableExtension"));
 103    void * const psc = sPriv->psc->screenConfigs;
 104
 105    if (sPriv->devPrivSize != sizeof(R128DRIRec)) {
 106       fprintf(stderr,"\nERROR!  sizeof(R128DRIRec) does not match passed size from device driver\n");
 107       return GL_FALSE;
 108    }
 109
 110    /* Allocate the private area */
 111    r128Screen = (r128ScreenPtr) CALLOC( sizeof(*r128Screen) );
 112    if ( !r128Screen ) return NULL;
 113
 114    /* parse information in __driConfigOptions */
 115    driParseOptionInfo (&r128Screen->optionCache,
 116                        __driConfigOptions, __driNConfigOptions);
 117
 118    /* This is first since which regions we map depends on whether or
 119     * not we are using a PCI card.
 120     */
 121    r128Screen->IsPCI = r128DRIPriv->IsPCI;
 122    r128Screen->sarea_priv_offset = r128DRIPriv->sarea_priv_offset;
 123
 124    if (sPriv->drmMinor >= 3) {
 125       drm_r128_getparam_t gp;
 126       int ret;
 127
 128       gp.param = R128_PARAM_IRQ_NR;
 129       gp.value = &r128Screen->irq;
 130
 131       ret = drmCommandWriteRead( sPriv->fd, DRM_R128_GETPARAM,
 132                                     &gp, sizeof(gp));
 133       if (ret) {
 134          fprintf(stderr, "drmR128GetParam (R128_PARAM_IRQ_NR): %d\n", ret);
 135          FREE( r128Screen );
 136          return NULL;
 137       }
 138    }
 139
 140    r128Screen->mmio.handle = r128DRIPriv->registerHandle;
 141    r128Screen->mmio.size   = r128DRIPriv->registerSize;
 142    if ( drmMap( sPriv->fd,
 143                 r128Screen->mmio.handle,
 144                 r128Screen->mmio.size,
 145                 (drmAddressPtr)&r128Screen->mmio.map ) ) {
 146       FREE( r128Screen );
 147       return NULL;
 148    }
 149
 150    r128Screen->buffers = drmMapBufs( sPriv->fd );
 151    if ( !r128Screen->buffers ) {
 152       drmUnmap( (drmAddress)r128Screen->mmio.map, r128Screen->mmio.size );
 153       FREE( r128Screen );
 154       return NULL;
 155    }
 156
 157    if ( !r128Screen->IsPCI ) {
 158       r128Screen->agpTextures.handle = r128DRIPriv->agpTexHandle;
 159       r128Screen->agpTextures.size   = r128DRIPriv->agpTexMapSize;
 160       if ( drmMap( sPriv->fd,
 161                    r128Screen->agpTextures.handle,
 162                    r128Screen->agpTextures.size,
 163                    (drmAddressPtr)&r128Screen->agpTextures.map ) ) {
 164          drmUnmapBufs( r128Screen->buffers );
 165          drmUnmap( (drmAddress)r128Screen->mmio.map, r128Screen->mmio.size );
 166          FREE( r128Screen );
 167          return NULL;
 168       }
 169    }
 170
 171    switch ( r128DRIPriv->deviceID ) {
 172    case PCI_CHIP_RAGE128RE:
 173    case PCI_CHIP_RAGE128RF:
 174    case PCI_CHIP_RAGE128RK:
 175    case PCI_CHIP_RAGE128RL:
 176       r128Screen->chipset = R128_CARD_TYPE_R128;
 177       break;
 178    case PCI_CHIP_RAGE128PF:
 179       r128Screen->chipset = R128_CARD_TYPE_R128_PRO;
 180       break;
 181    case PCI_CHIP_RAGE128LE:
 182    case PCI_CHIP_RAGE128LF:
 183       r128Screen->chipset = R128_CARD_TYPE_R128_MOBILITY;
 184       break;
 185    default:
 186       r128Screen->chipset = R128_CARD_TYPE_R128;
 187       break;
 188    }
 189
 190    r128Screen->cpp = r128DRIPriv->bpp / 8;
 191    r128Screen->AGPMode = r128DRIPriv->AGPMode;
 192
 193    r128Screen->frontOffset      = r128DRIPriv->frontOffset;
 194    r128Screen->frontPitch       = r128DRIPriv->frontPitch;
 195    r128Screen->backOffset       = r128DRIPriv->backOffset;
 196    r128Screen->backPitch        = r128DRIPriv->backPitch;
 197    r128Screen->depthOffset      = r128DRIPriv->depthOffset;
 198    r128Screen->depthPitch       = r128DRIPriv->depthPitch;
 199    r128Screen->spanOffset       = r128DRIPriv->spanOffset;
 200
 201    r128Screen->texOffset[R128_LOCAL_TEX_HEAP] = r128DRIPriv->textureOffset;
 202    r128Screen->texSize[R128_LOCAL_TEX_HEAP] = r128DRIPriv->textureSize;
 203    r128Screen->logTexGranularity[R128_LOCAL_TEX_HEAP] = r128DRIPriv->log2TexGran;
 204
 205    if ( r128Screen->IsPCI ) {
 206       r128Screen->numTexHeaps = R128_NR_TEX_HEAPS - 1;
 207       r128Screen->texOffset[R128_AGP_TEX_HEAP] = 0;
 208       r128Screen->texSize[R128_AGP_TEX_HEAP] = 0;
 209       r128Screen->logTexGranularity[R128_AGP_TEX_HEAP] = 0;
 210    } else {
 211       r128Screen->numTexHeaps = R128_NR_TEX_HEAPS;
 212       r128Screen->texOffset[R128_AGP_TEX_HEAP] =
 213          r128DRIPriv->agpTexOffset + R128_AGP_TEX_OFFSET;
 214       r128Screen->texSize[R128_AGP_TEX_HEAP] = r128DRIPriv->agpTexMapSize;
 215       r128Screen->logTexGranularity[R128_AGP_TEX_HEAP] =
 216          r128DRIPriv->log2AGPTexGran;
 217    }
 218
 219    r128Screen->driScreen = sPriv;
 220
 221    if ( glx_enable_extension != NULL ) {
 222       if ( r128Screen->irq != 0 ) {
 223          (*glx_enable_extension)( psc, "GLX_SGI_swap_control" );
 224          (*glx_enable_extension)( psc, "GLX_SGI_video_sync" );
 225          (*glx_enable_extension)( psc, "GLX_MESA_swap_control" );
 226       }
 227
 228       (*glx_enable_extension)( psc, "GLX_MESA_swap_frame_usage" );
 229    }
 230
 231    return r128Screen;
 232 }
 233
 234 /* Destroy the device specific screen private data struct.
 235  */
 236 static void
 237 r128DestroyScreen( __DRIscreenPrivate *sPriv )
 238 {
 239    r128ScreenPtr r128Screen = (r128ScreenPtr)sPriv->private;
 240
 241    if ( !r128Screen )
 242       return;
 243
 244    if ( !r128Screen->IsPCI ) {
 245       drmUnmap( (drmAddress)r128Screen->agpTextures.map,
 246                 r128Screen->agpTextures.size );
 247    }
 248    drmUnmapBufs( r128Screen->buffers );
 249    drmUnmap( (drmAddress)r128Screen->mmio.map, r128Screen->mmio.size );
 250
 251    /* free all option information */
 252    driDestroyOptionInfo (&r128Screen->optionCache);
 253
 254    FREE( r128Screen );
 255    sPriv->private = NULL;
 256 }
 257
 258
 259 /* Create and initialize the Mesa and driver specific pixmap buffer
 260  * data.
 261  */
 262 static GLboolean
 263 r128CreateBuffer( __DRIscreenPrivate *driScrnPriv,
 264                   __DRIdrawablePrivate *driDrawPriv,
 265                   const __GLcontextModes *mesaVis,
 266                   GLboolean isPixmap )
 267 {
 268    r128ScreenPtr screen = (r128ScreenPtr) driScrnPriv->private;
 269
 270    if (isPixmap) {
 271       return GL_FALSE; /* not implemented */
 272    }
 273    else {
 274       struct gl_framebuffer *fb = _mesa_create_framebuffer(mesaVis);
 275
 276       {
 277          driRenderbuffer *frontRb
 278             = driNewRenderbuffer(GL_RGBA, screen->cpp,
 279                                  screen->frontOffset, screen->frontPitch);
 280          r128SetSpanFunctions(frontRb, mesaVis);
 281          _mesa_add_renderbuffer(fb, BUFFER_FRONT_LEFT, &frontRb->Base);
 282       }
 283
 284       if (mesaVis->doubleBufferMode) {
 285          driRenderbuffer *backRb
 286             = driNewRenderbuffer(GL_RGBA, screen->cpp,
 287                                  screen->backOffset, screen->backPitch);
 288          r128SetSpanFunctions(backRb, mesaVis);
 289          _mesa_add_renderbuffer(fb, BUFFER_BACK_LEFT, &backRb->Base);
 290       }
 291
 292       if (mesaVis->depthBits == 16) {
 293          driRenderbuffer *depthRb
 294             = driNewRenderbuffer(GL_DEPTH_COMPONENT16, screen->cpp,
 295                                  screen->depthOffset, screen->depthPitch);
 296          r128SetSpanFunctions(depthRb, mesaVis);
 297          _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base);
 298       }
 299       else if (mesaVis->depthBits == 24) {
 300          driRenderbuffer *depthRb
 301             = driNewRenderbuffer(GL_DEPTH_COMPONENT24, screen->cpp,
 302                                  screen->depthOffset, screen->depthPitch);
 303          r128SetSpanFunctions(depthRb, mesaVis);
 304          _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base);
 305       }
 306
 307       _mesa_add_soft_renderbuffers(fb,
 308                                    GL_FALSE, /* color */
 309                                    GL_FALSE, /* depth */
 310                                    mesaVis->stencilBits > 0,
 311                                    mesaVis->accumRedBits > 0,
 312                                    GL_FALSE, /* alpha */
 313                                    GL_FALSE /* aux */);
 314       driDrawPriv->driverPrivate = (void *) fb;
 315
 316       return (driDrawPriv->driverPrivate != NULL);
 317    }
 318 }
 319
 320
 321 static void
 322 r128DestroyBuffer(__DRIdrawablePrivate *driDrawPriv)
 323 {
 324    _mesa_destroy_framebuffer((GLframebuffer *) (driDrawPriv->driverPrivate));
 325 }
 326
 327
 328 /* Copy the back color buffer to the front color buffer */
 329 static void
 330 r128SwapBuffers(__DRIdrawablePrivate *dPriv)
 331 {
 332    if (dPriv->driContextPriv && dPriv->driContextPriv->driverPrivate) {
 333       r128ContextPtr rmesa;
 334       GLcontext *ctx;
 335       rmesa = (r128ContextPtr) dPriv->driContextPriv->driverPrivate;
 336       ctx = rmesa->glCtx;
 337       if (ctx->Visual.doubleBufferMode) {
 338          _mesa_notifySwapBuffers( ctx );  /* flush pending rendering comands */
 339          if ( rmesa->doPageFlip ) {
 340             r128PageFlip( dPriv );
 341          }
 342          else {
 343             r128CopyBuffer( dPriv );
 344          }
 345       }
 346    }
 347    else {
 348       /* XXX this shouldn't be an error but we can't handle it for now */
 349       _mesa_problem(NULL, "%s: drawable has no context!", __FUNCTION__);
 350    }
 351 }
 352
 353
 354 /* Initialize the driver specific screen private data.
 355  */
 356 static GLboolean
 357 r128InitDriver( __DRIscreenPrivate *sPriv )
 358 {
 359    sPriv->private = (void *) r128CreateScreen( sPriv );
 360
 361    if ( !sPriv->private ) {
 362       r128DestroyScreen( sPriv );
 363       return GL_FALSE;
 364    }
 365
 366    return GL_TRUE;
 367 }
 368
 369
 370 static struct __DriverAPIRec r128API = {
 371    .InitDriver      = r128InitDriver,
 372    .DestroyScreen   = r128DestroyScreen,
 373    .CreateContext   = r128CreateContext,
 374    .DestroyContext  = r128DestroyContext,
 375    .CreateBuffer    = r128CreateBuffer,
 376    .DestroyBuffer   = r128DestroyBuffer,
 377    .SwapBuffers     = r128SwapBuffers,
 378    .MakeCurrent     = r128MakeCurrent,
 379    .UnbindContext   = r128UnbindContext,
 380    .GetSwapInfo     = NULL,
 381    .GetMSC          = driGetMSC32,
 382    .WaitForMSC      = driWaitForMSC32,
 383    .WaitForSBC      = NULL,
 384    .SwapBuffersMSC  = NULL
 385
 386 };
 387
 388
 389 static __GLcontextModes *
 390 r128FillInModes( unsigned pixel_bits, unsigned depth_bits,
 391                  unsigned stencil_bits, GLboolean have_back_buffer )
 392 {
 393     __GLcontextModes * modes;
 394     __GLcontextModes * m;
 395     unsigned num_modes;
 396     unsigned depth_buffer_factor;
 397     unsigned back_buffer_factor;
 398     GLenum fb_format;
 399     GLenum fb_type;
 400
 401     /* Right now GLX_SWAP_COPY_OML isn't supported, but it would be easy
 402      * enough to add support.  Basically, if a context is created with an
 403      * fbconfig where the swap method is GLX_SWAP_COPY_OML, pageflipping
 404      * will never be used.
 405      */
 406     static const GLenum back_buffer_modes[] = {
 407         GLX_NONE, GLX_SWAP_UNDEFINED_OML /*, GLX_SWAP_COPY_OML */
 408     };
 409
 410     u_int8_t depth_bits_array[2];
 411     u_int8_t stencil_bits_array[2];
 412
 413
 414     depth_bits_array[0] = depth_bits;
 415     depth_bits_array[1] = depth_bits;
 416
 417     /* Just like with the accumulation buffer, always provide some modes
 418      * with a stencil buffer.  It will be a sw fallback, but some apps won't
 419      * care about that.
 420      */
 421     stencil_bits_array[0] = 0;
 422     stencil_bits_array[1] = (stencil_bits == 0) ? 8 : stencil_bits;
 423
 424     depth_buffer_factor = ((depth_bits != 0) || (stencil_bits != 0)) ? 2 : 1;
 425     back_buffer_factor  = (have_back_buffer) ? 2 : 1;
 426
 427     num_modes = depth_buffer_factor * back_buffer_factor * 4;
 428
 429     if ( pixel_bits == 16 ) {
 430         fb_format = GL_RGB;
 431         fb_type = GL_UNSIGNED_SHORT_5_6_5;
 432     }
 433     else {
 434         fb_format = GL_BGR;
 435         fb_type = GL_UNSIGNED_INT_8_8_8_8_REV;
 436     }
 437
 438     modes = (*dri_interface->createContextModes)( num_modes, sizeof( __GLcontextModes ) );
 439     m = modes;
 440     if ( ! driFillInModes( & m, fb_format, fb_type,
 441                            depth_bits_array, stencil_bits_array, depth_buffer_factor,
 442                            back_buffer_modes, back_buffer_factor,
 443                            GLX_TRUE_COLOR ) ) {
 444         fprintf( stderr, "[%s:%u] Error creating FBConfig!\n",
 445                  __func__, __LINE__ );
 446         return NULL;
 447     }
 448
 449     if ( ! driFillInModes( & m, fb_format, fb_type,
 450                            depth_bits_array, stencil_bits_array, depth_buffer_factor,
 451                            back_buffer_modes, back_buffer_factor,
 452                            GLX_DIRECT_COLOR ) ) {
 453         fprintf( stderr, "[%s:%u] Error creating FBConfig!\n",
 454                  __func__, __LINE__ );
 455         return NULL;
 456     }
 457
 458     /* Mark the visual as slow if there are "fake" stencil bits.
 459      */
 460     for ( m = modes ; m != NULL ; m = m->next ) {
 461         if ( (m->stencilBits != 0) && (m->stencilBits != stencil_bits) ) {
 462             m->visualRating = GLX_SLOW_CONFIG;
 463         }
 464     }
 465
 466     return modes;
 467 }
 468
 469
 470 /**
 471  * This is the bootstrap function for the driver.  libGL supplies all of the
 472  * requisite information about the system, and the driver initializes itself.
 473  * This routine also fills in the linked list pointed to by \c driver_modes
 474  * with the \c __GLcontextModes that the driver can support for windows or
 475  * pbuffers.
 476  *
 477  * \return A pointer to a \c __DRIscreenPrivate on success, or \c NULL on
 478  *         failure.
 479  */
 480 PUBLIC
 481 void * __driCreateNewScreen_20050727( __DRInativeDisplay *dpy, int scrn, __DRIscreen *psc,
 482                              const __GLcontextModes * modes,
 483                              const __DRIversion * ddx_version,
 484                              const __DRIversion * dri_version,
 485                              const __DRIversion * drm_version,
 486                              const __DRIframebuffer * frame_buffer,
 487                              drmAddress pSAREA, int fd,
 488                              int internal_api_version,
 489                              const __DRIinterfaceMethods * interface,
 490                              __GLcontextModes ** driver_modes )
 491
 492 {
 493    __DRIscreenPrivate *psp;
 494    static const __DRIversion ddx_expected = { 4, 0, 0 };
 495    static const __DRIversion dri_expected = { 4, 0, 0 };
 496    static const __DRIversion drm_expected = { 2, 2, 0 };
 497
 498
 499    dri_interface = interface;
 500
 501    if ( ! driCheckDriDdxDrmVersions2( "Rage128",
 502                                       dri_version, & dri_expected,
 503                                       ddx_version, & ddx_expected,
 504                                       drm_version, & drm_expected ) ) {
 505       return NULL;
 506    }
 507
 508    psp = __driUtilCreateNewScreen(dpy, scrn, psc, NULL,
 509                                   ddx_version, dri_version, drm_version,
 510                                   frame_buffer, pSAREA, fd,
 511                                   internal_api_version, &r128API);
 512    if ( psp != NULL ) {
 513       R128DRIPtr dri_priv = (R128DRIPtr) psp->pDevPriv;
 514       *driver_modes = r128FillInModes( dri_priv->bpp,
 515                                        (dri_priv->bpp == 16) ? 16 : 24,
 516                                        (dri_priv->bpp == 16) ? 0  : 8,
 517                                        (dri_priv->backOffset != dri_priv->depthOffset) );
 518
 519       /* Calling driInitExtensions here, with a NULL context pointer, does not actually
 520        * enable the extensions.  It just makes sure that all the dispatch offsets for all
 521        * the extensions that *might* be enables are known.  This is needed because the
 522        * dispatch offsets need to be known when _mesa_context_create is called, but we can't
 523        * enable the extensions until we have a context pointer.
 524        *
 525        * Hello chicken.  Hello egg.  How are you two today?
 526        */
 527       driInitExtensions( NULL, card_extensions, GL_FALSE );
 528    }
 529
 530    return (void *) psp;
 531 }