src/gallium/state_trackers/xorg/xorg_exa.c

   1 /*
   2  * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
   3  * 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
   7  * "Software"), to deal in the Software without restriction, including
   8  * without limitation the rights to use, copy, modify, merge, publish,
   9  * distribute, sub license, and/or sell copies of the Software, and to
  10  * permit persons to whom the Software is furnished to do so, subject to
  11  * the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the
  14  * next paragraph) shall be included in all copies or substantial portions
  15  * of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  20  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
  21  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  22  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  23  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24  *
  25  *
  26  * Author: Alan Hourihane <alanh@tungstengraphics.com>
  27  * Author: Jakob Bornecrantz <wallbraker@gmail.com>
  28  *
  29  */
  30
  31 #include "xorg_exa.h"
  32 #include "xorg_tracker.h"
  33 #include "xorg_composite.h"
  34 #include "xorg_exa_tgsi.h"
  35
  36 #include <xorg-server.h>
  37 #include <xf86.h>
  38 #include <picturestr.h>
  39 #include <picture.h>
  40
  41 #include "pipe/p_format.h"
  42 #include "pipe/p_context.h"
  43 #include "pipe/p_state.h"
  44
  45 #include "util/u_rect.h"
  46 #include "util/u_math.h"
  47 #include "util/u_debug.h"
  48 #include "util/u_format.h"
  49 #include "util/u_surface.h"
  50
  51 #define DEBUG_PRINT 0
  52 #define ROUND_UP_TEXTURES 1
  53
  54 /*
  55  * Helper functions
  56  */
  57 struct render_format_str {
  58    int format;
  59    const char *name;
  60 };
  61 static const struct render_format_str formats_info[] =
  62 {
  63    {PICT_a8r8g8b8, "PICT_a8r8g8b8"},
  64    {PICT_x8r8g8b8, "PICT_x8r8g8b8"},
  65    {PICT_a8b8g8r8, "PICT_a8b8g8r8"},
  66    {PICT_x8b8g8r8, "PICT_x8b8g8r8"},
  67 #ifdef PICT_TYPE_BGRA
  68    {PICT_b8g8r8a8, "PICT_b8g8r8a8"},
  69    {PICT_b8g8r8x8, "PICT_b8g8r8x8"},
  70    {PICT_a2r10g10b10, "PICT_a2r10g10b10"},
  71    {PICT_x2r10g10b10, "PICT_x2r10g10b10"},
  72    {PICT_a2b10g10r10, "PICT_a2b10g10r10"},
  73    {PICT_x2b10g10r10, "PICT_x2b10g10r10"},
  74 #endif
  75    {PICT_r8g8b8, "PICT_r8g8b8"},
  76    {PICT_b8g8r8, "PICT_b8g8r8"},
  77    {PICT_r5g6b5, "PICT_r5g6b5"},
  78    {PICT_b5g6r5, "PICT_b5g6r5"},
  79    {PICT_a1r5g5b5, "PICT_a1r5g5b5"},
  80    {PICT_x1r5g5b5, "PICT_x1r5g5b5"},
  81    {PICT_a1b5g5r5, "PICT_a1b5g5r5"},
  82    {PICT_x1b5g5r5, "PICT_x1b5g5r5"},
  83    {PICT_a4r4g4b4, "PICT_a4r4g4b4"},
  84    {PICT_x4r4g4b4, "PICT_x4r4g4b4"},
  85    {PICT_a4b4g4r4, "PICT_a4b4g4r4"},
  86    {PICT_x4b4g4r4, "PICT_x4b4g4r4"},
  87    {PICT_a8, "PICT_a8"},
  88    {PICT_r3g3b2, "PICT_r3g3b2"},
  89    {PICT_b2g3r3, "PICT_b2g3r3"},
  90    {PICT_a2r2g2b2, "PICT_a2r2g2b2"},
  91    {PICT_a2b2g2r2, "PICT_a2b2g2r2"},
  92    {PICT_c8, "PICT_c8"},
  93    {PICT_g8, "PICT_g8"},
  94    {PICT_x4a4, "PICT_x4a4"},
  95    {PICT_x4c4, "PICT_x4c4"},
  96    {PICT_x4g4, "PICT_x4g4"},
  97    {PICT_a4, "PICT_a4"},
  98    {PICT_r1g2b1, "PICT_r1g2b1"},
  99    {PICT_b1g2r1, "PICT_b1g2r1"},
 100    {PICT_a1r1g1b1, "PICT_a1r1g1b1"},
 101    {PICT_a1b1g1r1, "PICT_a1b1g1r1"},
 102    {PICT_c4, "PICT_c4"},
 103    {PICT_g4, "PICT_g4"},
 104    {PICT_a1, "PICT_a1"},
 105    {PICT_g1, "PICT_g1"}
 106 };
 107 static const char *render_format_name(int format)
 108 {
 109    int i = 0;
 110    for (i = 0; i < sizeof(formats_info)/sizeof(formats_info[0]); ++i) {
 111       if (formats_info[i].format == format)
 112          return formats_info[i].name;
 113    }
 114    return NULL;
 115 }
 116
 117 static void
 118 exa_get_pipe_format(int depth, enum pipe_format *format, int *bbp, int *picture_format)
 119 {
 120     switch (depth) {
 121     case 32:
 122         *format = PIPE_FORMAT_B8G8R8A8_UNORM;
 123         *picture_format = PICT_a8r8g8b8;
 124         assert(*bbp == 32);
 125         break;
 126     case 24:
 127         *format = PIPE_FORMAT_B8G8R8X8_UNORM;
 128         *picture_format = PICT_x8r8g8b8;
 129         assert(*bbp == 32);
 130         break;
 131     case 16:
 132         *format = PIPE_FORMAT_B5G6R5_UNORM;
 133         *picture_format = PICT_r5g6b5;
 134         assert(*bbp == 16);
 135         break;
 136     case 15:
 137         *format = PIPE_FORMAT_B5G5R5A1_UNORM;
 138         *picture_format = PICT_x1r5g5b5;
 139         assert(*bbp == 16);
 140         break;
 141     case 8:
 142         *format = PIPE_FORMAT_L8_UNORM;
 143         *picture_format = PICT_a8;
 144         assert(*bbp == 8);
 145         break;
 146     case 4:
 147     case 1:
 148         *format = PIPE_FORMAT_B8G8R8A8_UNORM; /* bad bad bad */
 149         break;
 150     default:
 151         assert(0);
 152         break;
 153     }
 154 }
 155
 156
 157 /*
 158  * Static exported EXA functions
 159  */
 160
 161 static void
 162 ExaWaitMarker(ScreenPtr pScreen, int marker)
 163 {
 164    /* Nothing to do, handled in the PrepareAccess hook */
 165 }
 166
 167 static int
 168 ExaMarkSync(ScreenPtr pScreen)
 169 {
 170    return 1;
 171 }
 172
 173
 174 /***********************************************************************
 175  * Screen upload/download
 176  */
 177
 178 static Bool
 179 ExaDownloadFromScreen(PixmapPtr pPix, int x,  int y, int w,  int h, char *dst,
 180                       int dst_pitch)
 181 {
 182     ScreenPtr pScreen = pPix->drawable.pScreen;
 183     ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
 184     modesettingPtr ms = modesettingPTR(pScrn);
 185     struct exa_context *exa = ms->exa;
 186     struct exa_pixmap_priv *priv = exaGetPixmapDriverPrivate(pPix);
 187     struct pipe_transfer *transfer;
 188
 189     if (!priv || !priv->tex)
 190         return FALSE;
 191
 192     transfer = pipe_get_transfer(exa->pipe, priv->tex, 0, 0, 0,
 193                                            PIPE_TRANSFER_READ, x, y, w, h);
 194     if (!transfer)
 195         return FALSE;
 196
 197 #if DEBUG_PRINT
 198     debug_printf("------ ExaDownloadFromScreen(%d, %d, %d, %d, %d)\n",
 199                  x, y, w, h, dst_pitch);
 200 #endif
 201
 202     util_copy_rect((unsigned char*)dst, priv->tex->format, dst_pitch, 0, 0,
 203                    w, h, exa->pipe->transfer_map(exa->pipe, transfer),
 204                    transfer->stride, 0, 0);
 205
 206     exa->pipe->transfer_unmap(exa->pipe, transfer);
 207     exa->pipe->transfer_destroy(exa->pipe, transfer);
 208
 209     return TRUE;
 210 }
 211
 212 static Bool
 213 ExaUploadToScreen(PixmapPtr pPix, int x, int y, int w, int h, char *src,
 214                   int src_pitch)
 215 {
 216     ScreenPtr pScreen = pPix->drawable.pScreen;
 217     ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
 218     modesettingPtr ms = modesettingPTR(pScrn);
 219     struct exa_context *exa = ms->exa;
 220     struct exa_pixmap_priv *priv = exaGetPixmapDriverPrivate(pPix);
 221     struct pipe_transfer *transfer;
 222
 223     if (!priv || !priv->tex)
 224         return FALSE;
 225
 226     transfer = pipe_get_transfer(exa->pipe, priv->tex, 0, 0, 0,
 227                                            PIPE_TRANSFER_WRITE, x, y, w, h);
 228     if (!transfer)
 229         return FALSE;
 230
 231 #if DEBUG_PRINT
 232     debug_printf("++++++ ExaUploadToScreen(%d, %d, %d, %d, %d)\n",
 233                  x, y, w, h, src_pitch);
 234 #endif
 235
 236     util_copy_rect(exa->pipe->transfer_map(exa->pipe, transfer),
 237                    priv->tex->format, transfer->stride, 0, 0, w, h,
 238                    (unsigned char*)src, src_pitch, 0, 0);
 239
 240     exa->pipe->transfer_unmap(exa->pipe, transfer);
 241     exa->pipe->transfer_destroy(exa->pipe, transfer);
 242
 243     return TRUE;
 244 }
 245
 246 static Bool
 247 ExaPrepareAccess(PixmapPtr pPix, int index)
 248 {
 249     ScreenPtr pScreen = pPix->drawable.pScreen;
 250     ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
 251     modesettingPtr ms = modesettingPTR(pScrn);
 252     struct exa_context *exa = ms->exa;
 253     struct exa_pixmap_priv *priv;
 254
 255     priv = exaGetPixmapDriverPrivate(pPix);
 256
 257     if (!priv)
 258         return FALSE;
 259
 260     if (!priv->tex)
 261         return FALSE;
 262
 263     if (priv->map_count == 0)
 264     {
 265         assert(pPix->drawable.width <= priv->tex->width0);
 266         assert(pPix->drawable.height <= priv->tex->height0);
 267
 268         priv->map_transfer =
 269            pipe_get_transfer(exa->pipe, priv->tex, 0, 0, 0,
 270 #ifdef EXA_MIXED_PIXMAPS
 271                                         PIPE_TRANSFER_MAP_DIRECTLY |
 272 #endif
 273                                         PIPE_TRANSFER_READ_WRITE,
 274                                         0, 0,
 275                                         pPix->drawable.width,
 276                                         pPix->drawable.height );
 277         if (!priv->map_transfer)
 278 #ifdef EXA_MIXED_PIXMAPS
 279             return FALSE;
 280 #else
 281             FatalError("failed to create transfer\n");
 282 #endif
 283
 284         pPix->devPrivate.ptr =
 285             exa->pipe->transfer_map(exa->pipe, priv->map_transfer);
 286         pPix->devKind = priv->map_transfer->stride;
 287     }
 288
 289     priv->map_count++;
 290
 291     return TRUE;
 292 }
 293
 294 static void
 295 ExaFinishAccess(PixmapPtr pPix, int index)
 296 {
 297     ScreenPtr pScreen = pPix->drawable.pScreen;
 298     ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
 299     modesettingPtr ms = modesettingPTR(pScrn);
 300     struct exa_context *exa = ms->exa;
 301     struct exa_pixmap_priv *priv;
 302     priv = exaGetPixmapDriverPrivate(pPix);
 303
 304     if (!priv)
 305         return;
 306
 307     if (!priv->map_transfer)
 308         return;
 309
 310     if (--priv->map_count == 0) {
 311         assert(priv->map_transfer);
 312         exa->pipe->transfer_unmap(exa->pipe, priv->map_transfer);
 313         exa->pipe->transfer_destroy(exa->pipe, priv->map_transfer);
 314         priv->map_transfer = NULL;
 315         pPix->devPrivate.ptr = NULL;
 316     }
 317 }
 318
 319 /***********************************************************************
 320  * Solid Fills
 321  */
 322
 323 static Bool
 324 ExaPrepareSolid(PixmapPtr pPixmap, int alu, Pixel planeMask, Pixel fg)
 325 {
 326     ScrnInfoPtr pScrn = xf86Screens[pPixmap->drawable.pScreen->myNum];
 327     modesettingPtr ms = modesettingPTR(pScrn);
 328     struct exa_pixmap_priv *priv = exaGetPixmapDriverPrivate(pPixmap);
 329     struct exa_context *exa = ms->exa;
 330
 331 #if DEBUG_PRINT
 332     debug_printf("ExaPrepareSolid(0x%x)\n", fg);
 333 #endif
 334     if (!exa->accel)
 335         return FALSE;
 336
 337     if (!exa->pipe)
 338         XORG_FALLBACK("accle not enabled");
 339
 340     if (!priv || !priv->tex)
 341         XORG_FALLBACK("%s", !priv ? "!priv" : "!priv->tex");
 342
 343     if (!EXA_PM_IS_SOLID(&pPixmap->drawable, planeMask))
 344         XORG_FALLBACK("planeMask is not solid");
 345
 346     if (alu != GXcopy)
 347         XORG_FALLBACK("not GXcopy");
 348
 349     if (!exa->scrn->is_format_supported(exa->scrn, priv->tex->format,
 350                                         priv->tex->target, 0,
 351                                         PIPE_BIND_RENDER_TARGET, 0)) {
 352         XORG_FALLBACK("format %s", util_format_name(priv->tex->format));
 353     }
 354
 355     return xorg_solid_bind_state(exa, priv, fg);
 356 }
 357
 358 static void
 359 ExaSolid(PixmapPtr pPixmap, int x0, int y0, int x1, int y1)
 360 {
 361     ScrnInfoPtr pScrn = xf86Screens[pPixmap->drawable.pScreen->myNum];
 362     modesettingPtr ms = modesettingPTR(pScrn);
 363     struct exa_context *exa = ms->exa;
 364     struct exa_pixmap_priv *priv = exaGetPixmapDriverPrivate(pPixmap);
 365
 366 #if DEBUG_PRINT
 367     debug_printf("\tExaSolid(%d, %d, %d, %d)\n", x0, y0, x1, y1);
 368 #endif
 369
 370     if (x0 == 0 && y0 == 0 &&
 371         x1 == pPixmap->drawable.width && y1 == pPixmap->drawable.height) {
 372        exa->pipe->clear(exa->pipe, PIPE_CLEAR_COLOR, exa->solid_color, 0.0, 0);
 373        return;
 374     }
 375
 376     xorg_solid(exa, priv, x0, y0, x1, y1) ;
 377 }
 378
 379
 380 static void
 381 ExaDoneSolid(PixmapPtr pPixmap)
 382 {
 383     ScrnInfoPtr pScrn = xf86Screens[pPixmap->drawable.pScreen->myNum];
 384     modesettingPtr ms = modesettingPTR(pScrn);
 385     struct exa_pixmap_priv *priv = exaGetPixmapDriverPrivate(pPixmap);
 386     struct exa_context *exa = ms->exa;
 387
 388     if (!priv)
 389         return;
 390
 391     xorg_composite_done(exa);
 392 }
 393
 394 /***********************************************************************
 395  * Copy Blits
 396  */
 397
 398 static Bool
 399 ExaPrepareCopy(PixmapPtr pSrcPixmap, PixmapPtr pDstPixmap, int xdir,
 400                int ydir, int alu, Pixel planeMask)
 401 {
 402     ScrnInfoPtr pScrn = xf86Screens[pDstPixmap->drawable.pScreen->myNum];
 403     modesettingPtr ms = modesettingPTR(pScrn);
 404     struct exa_context *exa = ms->exa;
 405     struct exa_pixmap_priv *priv = exaGetPixmapDriverPrivate(pDstPixmap);
 406     struct exa_pixmap_priv *src_priv = exaGetPixmapDriverPrivate(pSrcPixmap);
 407
 408 #if DEBUG_PRINT
 409     debug_printf("ExaPrepareCopy\n");
 410 #endif
 411
 412     if (!exa->accel)
 413         return FALSE;
 414
 415     if (!exa->pipe)
 416         XORG_FALLBACK("accle not enabled");
 417
 418     if (!priv || !priv->tex)
 419         XORG_FALLBACK("pDst %s", !priv ? "!priv" : "!priv->tex");
 420
 421     if (!src_priv || !src_priv->tex)
 422         XORG_FALLBACK("pSrc %s", !src_priv ? "!priv" : "!priv->tex");
 423
 424     if (!EXA_PM_IS_SOLID(&pSrcPixmap->drawable, planeMask))
 425         XORG_FALLBACK("planeMask is not solid");
 426
 427     if (alu != GXcopy)
 428         XORG_FALLBACK("alu not GXcopy");
 429
 430     if (!exa->scrn->is_format_supported(exa->scrn, priv->tex->format,
 431                                         priv->tex->target, 0,
 432                                         PIPE_BIND_RENDER_TARGET, 0))
 433         XORG_FALLBACK("pDst format %s", util_format_name(priv->tex->format));
 434
 435     if (!exa->scrn->is_format_supported(exa->scrn, src_priv->tex->format,
 436                                         src_priv->tex->target, 0,
 437                                         PIPE_BIND_SAMPLER_VIEW, 0))
 438         XORG_FALLBACK("pSrc format %s", util_format_name(src_priv->tex->format));
 439
 440     exa->copy.src = src_priv;
 441     exa->copy.dst = priv;
 442
 443     /* XXX this used to use resource_copy_region for same-surface copies,
 444      * but they were redefined to not allow overlaps (some of the util code
 445      * always assumed this anyway).
 446      * Drivers should implement accelerated resource_copy_region or it will
 447      * be slow - disable for now.
 448      */
 449     if (0 && exa->copy.src != exa->copy.dst) {
 450        exa->copy.use_surface_copy = TRUE;
 451     }
 452     else {
 453        exa->copy.use_surface_copy = FALSE;
 454
 455        if (exa->copy.dst == exa->copy.src)
 456           exa->copy.src_texture = renderer_clone_texture( exa->renderer,
 457                                                           exa->copy.src->tex );
 458        else
 459           pipe_resource_reference(&exa->copy.src_texture,
 460                                  exa->copy.src->tex);
 461
 462        exa->copy.dst_surface =
 463           exa->scrn->get_tex_surface(exa->scrn,
 464                                      exa->copy.dst->tex,
 465                                      0, 0, 0,
 466                                      PIPE_BIND_RENDER_TARGET);
 467
 468
 469        renderer_copy_prepare(exa->renderer,
 470                              exa->copy.dst_surface,
 471                              exa->copy.src_texture );
 472     }
 473
 474
 475     return TRUE;
 476 }
 477
 478 static void
 479 ExaCopy(PixmapPtr pDstPixmap, int srcX, int srcY, int dstX, int dstY,
 480         int width, int height)
 481 {
 482    ScrnInfoPtr pScrn = xf86Screens[pDstPixmap->drawable.pScreen->myNum];
 483    modesettingPtr ms = modesettingPTR(pScrn);
 484    struct exa_context *exa = ms->exa;
 485    struct exa_pixmap_priv *priv = exaGetPixmapDriverPrivate(pDstPixmap);
 486
 487 #if DEBUG_PRINT
 488    debug_printf("\tExaCopy(srcx=%d, srcy=%d, dstX=%d, dstY=%d, w=%d, h=%d)\n",
 489                 srcX, srcY, dstX, dstY, width, height);
 490 #endif
 491
 492    debug_assert(priv == exa->copy.dst);
 493    (void) priv;
 494
 495    if (exa->copy.use_surface_copy) {
 496       struct pipe_subresource subdst, subsrc;
 497       subdst.face = 0;
 498       subdst.level = 0;
 499       subsrc.face = 0;
 500       subsrc.level = 0;
 501       exa->pipe->resource_copy_region( exa->pipe,
 502                                        exa->copy.dst->tex,
 503                                        subdst,
 504                                        dstX, dstY, 0,
 505                                        exa->copy.src->tex,
 506                                        subsrc,
 507                                        srcX, srcY, 0,
 508                                        width, height );
 509    }
 510    else {
 511       renderer_copy_pixmap(exa->renderer,
 512                            dstX, dstY,
 513                            srcX, srcY,
 514                            width, height,
 515                            exa->copy.src_texture->width0,
 516                            exa->copy.src_texture->height0);
 517    }
 518 }
 519
 520 static void
 521 ExaDoneCopy(PixmapPtr pPixmap)
 522 {
 523     ScrnInfoPtr pScrn = xf86Screens[pPixmap->drawable.pScreen->myNum];
 524     modesettingPtr ms = modesettingPTR(pScrn);
 525     struct exa_pixmap_priv *priv = exaGetPixmapDriverPrivate(pPixmap);
 526     struct exa_context *exa = ms->exa;
 527
 528     if (!priv)
 529         return;
 530
 531    renderer_draw_flush(exa->renderer);
 532
 533    exa->copy.src = NULL;
 534    exa->copy.dst = NULL;
 535    pipe_surface_reference(&exa->copy.dst_surface, NULL);
 536    pipe_resource_reference(&exa->copy.src_texture, NULL);
 537 }
 538
 539
 540
 541 static Bool
 542 picture_check_formats(struct exa_pixmap_priv *pSrc, PicturePtr pSrcPicture)
 543 {
 544    if (pSrc->picture_format == pSrcPicture->format)
 545       return TRUE;
 546
 547    if (pSrc->picture_format != PICT_a8r8g8b8)
 548       return FALSE;
 549
 550    /* pSrc->picture_format == PICT_a8r8g8b8 */
 551    switch (pSrcPicture->format) {
 552    case PICT_a8r8g8b8:
 553    case PICT_x8r8g8b8:
 554    case PICT_a8b8g8r8:
 555    case PICT_x8b8g8r8:
 556    /* just treat these two as x8... */
 557    case PICT_r8g8b8:
 558    case PICT_b8g8r8:
 559       return TRUE;
 560 #ifdef PICT_TYPE_BGRA
 561    case PICT_b8g8r8a8:
 562    case PICT_b8g8r8x8:
 563       return FALSE; /* does not support swizzleing the alpha channel yet */
 564    case PICT_a2r10g10b10:
 565    case PICT_x2r10g10b10:
 566    case PICT_a2b10g10r10:
 567    case PICT_x2b10g10r10:
 568       return FALSE;
 569 #endif
 570    default:
 571       return FALSE;
 572    }
 573    return FALSE;
 574 }
 575
 576 /***********************************************************************
 577  * Composite entrypoints
 578  */
 579
 580 static Bool
 581 ExaCheckComposite(int op,
 582                   PicturePtr pSrcPicture, PicturePtr pMaskPicture,
 583                   PicturePtr pDstPicture)
 584 {
 585    ScrnInfoPtr pScrn = xf86Screens[pDstPicture->pDrawable->pScreen->myNum];
 586    modesettingPtr ms = modesettingPTR(pScrn);
 587    struct exa_context *exa = ms->exa;
 588
 589 #if DEBUG_PRINT
 590    debug_printf("ExaCheckComposite(%d, %p, %p, %p) = %d\n",
 591                 op, pSrcPicture, pMaskPicture, pDstPicture, accelerated);
 592 #endif
 593
 594    if (!exa->accel)
 595        return FALSE;
 596
 597    return xorg_composite_accelerated(op,
 598                                      pSrcPicture,
 599                                      pMaskPicture,
 600                                      pDstPicture);
 601 }
 602
 603
 604 static Bool
 605 ExaPrepareComposite(int op, PicturePtr pSrcPicture,
 606                     PicturePtr pMaskPicture, PicturePtr pDstPicture,
 607                     PixmapPtr pSrc, PixmapPtr pMask, PixmapPtr pDst)
 608 {
 609    ScrnInfoPtr pScrn = xf86Screens[pDst->drawable.pScreen->myNum];
 610    modesettingPtr ms = modesettingPTR(pScrn);
 611    struct exa_context *exa = ms->exa;
 612    struct exa_pixmap_priv *priv;
 613
 614    if (!exa->accel)
 615        return FALSE;
 616
 617 #if DEBUG_PRINT
 618    debug_printf("ExaPrepareComposite(%d, src=0x%p, mask=0x%p, dst=0x%p)\n",
 619                 op, pSrcPicture, pMaskPicture, pDstPicture);
 620    debug_printf("\tFormats: src(%s), mask(%s), dst(%s)\n",
 621                 pSrcPicture ? render_format_name(pSrcPicture->format) : "none",
 622                 pMaskPicture ? render_format_name(pMaskPicture->format) : "none",
 623                 pDstPicture ? render_format_name(pDstPicture->format) : "none");
 624 #endif
 625    if (!exa->pipe)
 626       XORG_FALLBACK("accle not enabled");
 627
 628    priv = exaGetPixmapDriverPrivate(pDst);
 629    if (!priv || !priv->tex)
 630       XORG_FALLBACK("pDst %s", !priv ? "!priv" : "!priv->tex");
 631
 632    if (!exa->scrn->is_format_supported(exa->scrn, priv->tex->format,
 633                                        priv->tex->target, 0,
 634                                        PIPE_BIND_RENDER_TARGET, 0))
 635       XORG_FALLBACK("pDst format: %s", util_format_name(priv->tex->format));
 636
 637    if (priv->picture_format != pDstPicture->format)
 638       XORG_FALLBACK("pDst pic_format: %s != %s",
 639                     render_format_name(priv->picture_format),
 640                     render_format_name(pDstPicture->format));
 641
 642    if (pSrc) {
 643       priv = exaGetPixmapDriverPrivate(pSrc);
 644       if (!priv || !priv->tex)
 645          XORG_FALLBACK("pSrc %s", !priv ? "!priv" : "!priv->tex");
 646
 647       if (!exa->scrn->is_format_supported(exa->scrn, priv->tex->format,
 648                                           priv->tex->target, 0,
 649                                           PIPE_BIND_SAMPLER_VIEW, 0))
 650          XORG_FALLBACK("pSrc format: %s", util_format_name(priv->tex->format));
 651
 652       if (!picture_check_formats(priv, pSrcPicture))
 653          XORG_FALLBACK("pSrc pic_format: %s != %s",
 654                        render_format_name(priv->picture_format),
 655                        render_format_name(pSrcPicture->format));
 656
 657    }
 658
 659    if (pMask) {
 660       priv = exaGetPixmapDriverPrivate(pMask);
 661       if (!priv || !priv->tex)
 662          XORG_FALLBACK("pMask %s", !priv ? "!priv" : "!priv->tex");
 663
 664       if (!exa->scrn->is_format_supported(exa->scrn, priv->tex->format,
 665                                           priv->tex->target, 0,
 666                                           PIPE_BIND_SAMPLER_VIEW, 0))
 667          XORG_FALLBACK("pMask format: %s", util_format_name(priv->tex->format));
 668
 669       if (!picture_check_formats(priv, pMaskPicture))
 670          XORG_FALLBACK("pMask pic_format: %s != %s",
 671                        render_format_name(priv->picture_format),
 672                        render_format_name(pMaskPicture->format));
 673    }
 674
 675    return xorg_composite_bind_state(exa, op, pSrcPicture, pMaskPicture,
 676                                     pDstPicture,
 677                                     pSrc ? exaGetPixmapDriverPrivate(pSrc) : NULL,
 678                                     pMask ? exaGetPixmapDriverPrivate(pMask) : NULL,
 679                                     exaGetPixmapDriverPrivate(pDst));
 680 }
 681
 682 static void
 683 ExaComposite(PixmapPtr pDst, int srcX, int srcY, int maskX, int maskY,
 684              int dstX, int dstY, int width, int height)
 685 {
 686    ScrnInfoPtr pScrn = xf86Screens[pDst->drawable.pScreen->myNum];
 687    modesettingPtr ms = modesettingPTR(pScrn);
 688    struct exa_context *exa = ms->exa;
 689    struct exa_pixmap_priv *priv = exaGetPixmapDriverPrivate(pDst);
 690
 691 #if DEBUG_PRINT
 692    debug_printf("\tExaComposite(src[%d,%d], mask=[%d, %d], dst=[%d, %d], dim=[%d, %d])\n",
 693                 srcX, srcY, maskX, maskY, dstX, dstY, width, height);
 694    debug_printf("\t   Num bound samplers = %d\n",
 695                 exa->num_bound_samplers);
 696 #endif
 697
 698    xorg_composite(exa, priv, srcX, srcY, maskX, maskY,
 699                   dstX, dstY, width, height);
 700 }
 701
 702
 703
 704 static void
 705 ExaDoneComposite(PixmapPtr pPixmap)
 706 {
 707    ScrnInfoPtr pScrn = xf86Screens[pPixmap->drawable.pScreen->myNum];
 708    modesettingPtr ms = modesettingPTR(pScrn);
 709    struct exa_context *exa = ms->exa;
 710
 711    xorg_composite_done(exa);
 712 }
 713
 714
 715 /***********************************************************************
 716  * Pixmaps
 717  */
 718
 719 static void *
 720 ExaCreatePixmap(ScreenPtr pScreen, int size, int align)
 721 {
 722     struct exa_pixmap_priv *priv;
 723
 724     priv = xcalloc(1, sizeof(struct exa_pixmap_priv));
 725     if (!priv)
 726         return NULL;
 727
 728     return priv;
 729 }
 730
 731 static void
 732 ExaDestroyPixmap(ScreenPtr pScreen, void *dPriv)
 733 {
 734     struct exa_pixmap_priv *priv = (struct exa_pixmap_priv *)dPriv;
 735
 736     if (!priv)
 737         return;
 738
 739     pipe_resource_reference(&priv->tex, NULL);
 740
 741     xfree(priv);
 742 }
 743
 744 static Bool
 745 ExaPixmapIsOffscreen(PixmapPtr pPixmap)
 746 {
 747     struct exa_pixmap_priv *priv;
 748
 749     priv = exaGetPixmapDriverPrivate(pPixmap);
 750
 751     if (!priv)
 752         return FALSE;
 753
 754     if (priv->tex)
 755         return TRUE;
 756
 757     return FALSE;
 758 }
 759
 760 int
 761 xorg_exa_set_displayed_usage(PixmapPtr pPixmap)
 762 {
 763     struct exa_pixmap_priv *priv;
 764     priv = exaGetPixmapDriverPrivate(pPixmap);
 765
 766     if (!priv) {
 767         FatalError("NO PIXMAP PRIVATE\n");
 768         return 0;
 769     }
 770
 771     priv->flags |= PIPE_BIND_SCANOUT;
 772
 773     return 0;
 774 }
 775
 776 int
 777 xorg_exa_set_shared_usage(PixmapPtr pPixmap)
 778 {
 779     struct exa_pixmap_priv *priv;
 780     priv = exaGetPixmapDriverPrivate(pPixmap);
 781
 782     if (!priv) {
 783         FatalError("NO PIXMAP PRIVATE\n");
 784         return 0;
 785     }
 786
 787     priv->flags |= PIPE_BIND_SHARED;
 788
 789     return 0;
 790 }
 791
 792
 793
 794 static Bool
 795 size_match( int width, int tex_width )
 796 {
 797 #if ROUND_UP_TEXTURES
 798    if (width > tex_width)
 799       return FALSE;
 800
 801    if (width * 2 < tex_width)
 802       return FALSE;
 803
 804    return TRUE;
 805 #else
 806    return width == tex_width;
 807 #endif
 808 }
 809
 810 static Bool
 811 ExaModifyPixmapHeader(PixmapPtr pPixmap, int width, int height,
 812                       int depth, int bitsPerPixel, int devKind,
 813                       pointer pPixData)
 814 {
 815     ScreenPtr pScreen = pPixmap->drawable.pScreen;
 816     ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
 817     struct exa_pixmap_priv *priv = exaGetPixmapDriverPrivate(pPixmap);
 818     modesettingPtr ms = modesettingPTR(pScrn);
 819     struct exa_context *exa = ms->exa;
 820
 821     if (!priv || pPixData)
 822         return FALSE;
 823
 824     if (0) {
 825        debug_printf("%s pixmap %p sz %dx%dx%d devKind %d\n",
 826                     __FUNCTION__, pPixmap, width, height, bitsPerPixel, devKind);
 827
 828        if (priv->tex)
 829           debug_printf("  ==> old texture %dx%d\n",
 830                        priv->tex->width0,
 831                        priv->tex->height0);
 832     }
 833
 834
 835     if (depth <= 0)
 836         depth = pPixmap->drawable.depth;
 837
 838     if (bitsPerPixel <= 0)
 839         bitsPerPixel = pPixmap->drawable.bitsPerPixel;
 840
 841     if (width <= 0)
 842         width = pPixmap->drawable.width;
 843
 844     if (height <= 0)
 845         height = pPixmap->drawable.height;
 846
 847     if (width <= 0 || height <= 0 || depth <= 0)
 848         return FALSE;
 849
 850     miModifyPixmapHeader(pPixmap, width, height, depth,
 851                              bitsPerPixel, devKind, NULL);
 852
 853     priv->width = width;
 854     priv->height = height;
 855
 856     /* Deal with screen resize */
 857     if ((exa->accel || priv->flags) &&
 858         (!priv->tex ||
 859          !size_match(width, priv->tex->width0) ||
 860          !size_match(height, priv->tex->height0) ||
 861          priv->tex_flags != priv->flags)) {
 862         struct pipe_resource *texture = NULL;
 863         struct pipe_resource template;
 864
 865         memset(&template, 0, sizeof(template));
 866         template.target = PIPE_TEXTURE_2D;
 867         exa_get_pipe_format(depth, &template.format, &bitsPerPixel, &priv->picture_format);
 868         if (ROUND_UP_TEXTURES && priv->flags == 0) {
 869            template.width0 = util_next_power_of_two(width);
 870            template.height0 = util_next_power_of_two(height);
 871         }
 872         else {
 873            template.width0 = width;
 874            template.height0 = height;
 875         }
 876
 877         template.depth0 = 1;
 878         template.last_level = 0;
 879         template.bind = PIPE_BIND_RENDER_TARGET | priv->flags;
 880         priv->tex_flags = priv->flags;
 881         texture = exa->scrn->resource_create(exa->scrn, &template);
 882
 883         if (priv->tex) {
 884             struct pipe_subresource subdst, subsrc;
 885             struct pipe_surface *src_surf;
 886
 887             subdst.face = 0;
 888             subdst.level = 0;
 889             subsrc.face = 0;
 890             subsrc.level = 0;
 891             exa->pipe->resource_copy_region(exa->pipe, texture,
 892                                             subdst, 0, 0, 0,
 893                                             priv->tex,
 894                                             subsrc, 0, 0, 0,
 895                                             min(width, texture->width0),
 896                                             min(height, texture->height0));
 897         }
 898
 899         pipe_resource_reference(&priv->tex, texture);
 900         /* the texture we create has one reference */
 901         pipe_resource_reference(&texture, NULL);
 902     }
 903
 904     return TRUE;
 905 }
 906
 907 struct pipe_resource *
 908 xorg_exa_get_texture(PixmapPtr pPixmap)
 909 {
 910    struct exa_pixmap_priv *priv = exaGetPixmapDriverPrivate(pPixmap);
 911    struct pipe_resource *tex = NULL;
 912    pipe_resource_reference(&tex, priv->tex);
 913    return tex;
 914 }
 915
 916 Bool
 917 xorg_exa_set_texture(PixmapPtr pPixmap, struct  pipe_resource *tex)
 918 {
 919     struct exa_pixmap_priv *priv = exaGetPixmapDriverPrivate(pPixmap);
 920
 921     int mask = PIPE_BIND_SHARED | PIPE_BIND_SCANOUT;
 922
 923     if (!priv)
 924         return FALSE;
 925
 926     if (pPixmap->drawable.width != tex->width0 ||
 927         pPixmap->drawable.height != tex->height0)
 928         return FALSE;
 929
 930     pipe_resource_reference(&priv->tex, tex);
 931     priv->tex_flags = tex->bind & mask;
 932
 933     return TRUE;
 934 }
 935
 936 struct pipe_resource *
 937 xorg_exa_create_root_texture(ScrnInfoPtr pScrn,
 938                              int width, int height,
 939                              int depth, int bitsPerPixel)
 940 {
 941     modesettingPtr ms = modesettingPTR(pScrn);
 942     struct exa_context *exa = ms->exa;
 943     struct pipe_resource template;
 944     int dummy;
 945
 946     memset(&template, 0, sizeof(template));
 947     template.target = PIPE_TEXTURE_2D;
 948     exa_get_pipe_format(depth, &template.format, &bitsPerPixel, &dummy);
 949     template.width0 = width;
 950     template.height0 = height;
 951     template.depth0 = 1;
 952     template.last_level = 0;
 953     template.bind |= PIPE_BIND_RENDER_TARGET;
 954     template.bind |= PIPE_BIND_SCANOUT;
 955     template.bind |= PIPE_BIND_SHARED;
 956
 957     return exa->scrn->resource_create(exa->scrn, &template);
 958 }
 959
 960 void
 961 xorg_exa_close(ScrnInfoPtr pScrn)
 962 {
 963    modesettingPtr ms = modesettingPTR(pScrn);
 964    struct exa_context *exa = ms->exa;
 965
 966    pipe_sampler_view_reference(&exa->bound_sampler_views[0], NULL);
 967    pipe_sampler_view_reference(&exa->bound_sampler_views[1], NULL);
 968
 969    renderer_destroy(exa->renderer);
 970
 971    if (exa->pipe)
 972       exa->pipe->destroy(exa->pipe);
 973    exa->pipe = NULL;
 974    /* Since this was shared be proper with the pointer */
 975    ms->ctx = NULL;
 976
 977    exaDriverFini(pScrn->pScreen);
 978    xfree(exa);
 979    ms->exa = NULL;
 980 }
 981
 982 void *
 983 xorg_exa_init(ScrnInfoPtr pScrn, Bool accel)
 984 {
 985    modesettingPtr ms = modesettingPTR(pScrn);
 986    struct exa_context *exa;
 987    ExaDriverPtr pExa;
 988
 989    exa = xcalloc(1, sizeof(struct exa_context));
 990    if (!exa)
 991       return NULL;
 992
 993    pExa = exaDriverAlloc();
 994    if (!pExa) {
 995       goto out_err;
 996    }
 997
 998    memset(pExa, 0, sizeof(*pExa));
 999
1000    pExa->exa_major         = 2;
1001    pExa->exa_minor         = 2;
1002    pExa->memoryBase        = 0;
1003    pExa->memorySize        = 0;
1004    pExa->offScreenBase     = 0;
1005    pExa->pixmapOffsetAlign = 0;
1006    pExa->pixmapPitchAlign  = 1;
1007    pExa->flags             = EXA_OFFSCREEN_PIXMAPS | EXA_HANDLES_PIXMAPS;
1008 #ifdef EXA_SUPPORTS_PREPARE_AUX
1009    pExa->flags            |= EXA_SUPPORTS_PREPARE_AUX;
1010 #endif
1011 #ifdef EXA_MIXED_PIXMAPS
1012    pExa->flags            |= EXA_MIXED_PIXMAPS;
1013 #endif
1014    pExa->maxX              = 8191; /* FIXME */
1015    pExa->maxY              = 8191; /* FIXME */
1016
1017    pExa->WaitMarker         = ExaWaitMarker;
1018    pExa->MarkSync           = ExaMarkSync;
1019    pExa->PrepareSolid       = ExaPrepareSolid;
1020    pExa->Solid              = ExaSolid;
1021    pExa->DoneSolid          = ExaDoneSolid;
1022    pExa->PrepareCopy        = ExaPrepareCopy;
1023    pExa->Copy               = ExaCopy;
1024    pExa->DoneCopy           = ExaDoneCopy;
1025    pExa->CheckComposite     = ExaCheckComposite;
1026    pExa->PrepareComposite   = ExaPrepareComposite;
1027    pExa->Composite          = ExaComposite;
1028    pExa->DoneComposite      = ExaDoneComposite;
1029    pExa->PixmapIsOffscreen  = ExaPixmapIsOffscreen;
1030    pExa->DownloadFromScreen = ExaDownloadFromScreen;
1031    pExa->UploadToScreen     = ExaUploadToScreen;
1032    pExa->PrepareAccess      = ExaPrepareAccess;
1033    pExa->FinishAccess       = ExaFinishAccess;
1034    pExa->CreatePixmap       = ExaCreatePixmap;
1035    pExa->DestroyPixmap      = ExaDestroyPixmap;
1036    pExa->ModifyPixmapHeader = ExaModifyPixmapHeader;
1037
1038    if (!exaDriverInit(pScrn->pScreen, pExa)) {
1039       goto out_err;
1040    }
1041
1042    exa->scrn = ms->screen;
1043    exa->pipe = exa->scrn->context_create(exa->scrn, NULL);
1044    if (exa->pipe == NULL)
1045       goto out_err;
1046
1047    /* Share context with DRI */
1048    ms->ctx = exa->pipe;
1049
1050    exa->renderer = renderer_create(exa->pipe);
1051    exa->accel = accel;
1052
1053    return (void *)exa;
1054
1055 out_err:
1056    xorg_exa_close(pScrn);
1057
1058    return NULL;
1059 }
1060
1061 struct pipe_surface *
1062 xorg_gpu_surface(struct pipe_screen *scrn, struct exa_pixmap_priv *priv)
1063 {
1064    return scrn->get_tex_surface(scrn, priv->tex, 0, 0, 0,
1065                                 PIPE_BIND_RENDER_TARGET);
1066
1067 }
1068
1069 void xorg_exa_flush(struct exa_context *exa, uint pipeFlushFlags,
1070                     struct pipe_fence_handle **fence)
1071 {
1072    exa->pipe->flush(exa->pipe, pipeFlushFlags, fence);
1073 }
1074
1075 void xorg_exa_finish(struct exa_context *exa)
1076 {
1077    struct pipe_fence_handle *fence = NULL;
1078
1079    xorg_exa_flush(exa, PIPE_FLUSH_RENDER_CACHE, &fence);
1080
1081    exa->pipe->screen->fence_finish(exa->pipe->screen, fence, 0);
1082    exa->pipe->screen->fence_reference(exa->pipe->screen, &fence, NULL);
1083 }
1084