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
  49 #define DEBUG_PRINT 0
  50 #define ROUND_UP_TEXTURES 1
  51
  52 /*
  53  * Helper functions
  54  */
  55 struct render_format_str {
  56    int format;
  57    const char *name;
  58 };
  59 static const struct render_format_str formats_info[] =
  60 {
  61    {PICT_a8r8g8b8, "PICT_a8r8g8b8"},
  62    {PICT_x8r8g8b8, "PICT_x8r8g8b8"},
  63    {PICT_a8b8g8r8, "PICT_a8b8g8r8"},
  64    {PICT_x8b8g8r8, "PICT_x8b8g8r8"},
  65 #ifdef PICT_TYPE_BGRA
  66    {PICT_b8g8r8a8, "PICT_b8g8r8a8"},
  67    {PICT_b8g8r8x8, "PICT_b8g8r8x8"},
  68    {PICT_a2r10g10b10, "PICT_a2r10g10b10"},
  69    {PICT_x2r10g10b10, "PICT_x2r10g10b10"},
  70    {PICT_a2b10g10r10, "PICT_a2b10g10r10"},
  71    {PICT_x2b10g10r10, "PICT_x2b10g10r10"},
  72 #endif
  73    {PICT_r8g8b8, "PICT_r8g8b8"},
  74    {PICT_b8g8r8, "PICT_b8g8r8"},
  75    {PICT_r5g6b5, "PICT_r5g6b5"},
  76    {PICT_b5g6r5, "PICT_b5g6r5"},
  77    {PICT_a1r5g5b5, "PICT_a1r5g5b5"},
  78    {PICT_x1r5g5b5, "PICT_x1r5g5b5"},
  79    {PICT_a1b5g5r5, "PICT_a1b5g5r5"},
  80    {PICT_x1b5g5r5, "PICT_x1b5g5r5"},
  81    {PICT_a4r4g4b4, "PICT_a4r4g4b4"},
  82    {PICT_x4r4g4b4, "PICT_x4r4g4b4"},
  83    {PICT_a4b4g4r4, "PICT_a4b4g4r4"},
  84    {PICT_x4b4g4r4, "PICT_x4b4g4r4"},
  85    {PICT_a8, "PICT_a8"},
  86    {PICT_r3g3b2, "PICT_r3g3b2"},
  87    {PICT_b2g3r3, "PICT_b2g3r3"},
  88    {PICT_a2r2g2b2, "PICT_a2r2g2b2"},
  89    {PICT_a2b2g2r2, "PICT_a2b2g2r2"},
  90    {PICT_c8, "PICT_c8"},
  91    {PICT_g8, "PICT_g8"},
  92    {PICT_x4a4, "PICT_x4a4"},
  93    {PICT_x4c4, "PICT_x4c4"},
  94    {PICT_x4g4, "PICT_x4g4"},
  95    {PICT_a4, "PICT_a4"},
  96    {PICT_r1g2b1, "PICT_r1g2b1"},
  97    {PICT_b1g2r1, "PICT_b1g2r1"},
  98    {PICT_a1r1g1b1, "PICT_a1r1g1b1"},
  99    {PICT_a1b1g1r1, "PICT_a1b1g1r1"},
 100    {PICT_c4, "PICT_c4"},
 101    {PICT_g4, "PICT_g4"},
 102    {PICT_a1, "PICT_a1"},
 103    {PICT_g1, "PICT_g1"}
 104 };
 105 static const char *render_format_name(int format)
 106 {
 107    int i = 0;
 108    for (i = 0; i < sizeof(formats_info)/sizeof(formats_info[0]); ++i) {
 109       if (formats_info[i].format == format)
 110          return formats_info[i].name;
 111    }
 112    return NULL;
 113 }
 114
 115 static void
 116 exa_get_pipe_format(int depth, enum pipe_format *format, int *bbp, int *picture_format)
 117 {
 118     switch (depth) {
 119     case 32:
 120         *format = PIPE_FORMAT_A8R8G8B8_UNORM;
 121         *picture_format = PICT_a8r8g8b8;
 122         assert(*bbp == 32);
 123         break;
 124     case 24:
 125         *format = PIPE_FORMAT_X8R8G8B8_UNORM;
 126         *picture_format = PICT_x8r8g8b8;
 127         assert(*bbp == 32);
 128         break;
 129     case 16:
 130         *format = PIPE_FORMAT_R5G6B5_UNORM;
 131         *picture_format = PICT_r5g6b5;
 132         assert(*bbp == 16);
 133         break;
 134     case 15:
 135         *format = PIPE_FORMAT_A1R5G5B5_UNORM;
 136         *picture_format = PICT_x1r5g5b5;
 137         assert(*bbp == 16);
 138         break;
 139     case 8:
 140         *format = PIPE_FORMAT_L8_UNORM;
 141         *picture_format = PICT_a8;
 142         assert(*bbp == 8);
 143         break;
 144     case 4:
 145     case 1:
 146         *format = PIPE_FORMAT_A8R8G8B8_UNORM; /* bad bad bad */
 147         break;
 148     default:
 149         assert(0);
 150         break;
 151     }
 152 }
 153
 154
 155 /*
 156  * Static exported EXA functions
 157  */
 158
 159 static void
 160 ExaWaitMarker(ScreenPtr pScreen, int marker)
 161 {
 162    /* Nothing to do, handled in the PrepareAccess hook */
 163 }
 164
 165 static int
 166 ExaMarkSync(ScreenPtr pScreen)
 167 {
 168    return 1;
 169 }
 170
 171
 172 /***********************************************************************
 173  * Screen upload/download
 174  */
 175
 176 static Bool
 177 ExaDownloadFromScreen(PixmapPtr pPix, int x,  int y, int w,  int h, char *dst,
 178                       int dst_pitch)
 179 {
 180     ScreenPtr pScreen = pPix->drawable.pScreen;
 181     ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
 182     modesettingPtr ms = modesettingPTR(pScrn);
 183     struct exa_context *exa = ms->exa;
 184     struct exa_pixmap_priv *priv = exaGetPixmapDriverPrivate(pPix);
 185     struct pipe_transfer *transfer;
 186
 187     if (!priv || !priv->tex)
 188         return FALSE;
 189
 190     if (exa->pipe->is_texture_referenced(exa->pipe, priv->tex, 0, 0) &
 191         PIPE_REFERENCED_FOR_WRITE)
 192         exa->pipe->flush(exa->pipe, 0, NULL);
 193
 194     transfer = exa->scrn->get_tex_transfer(exa->scrn, priv->tex, 0, 0, 0,
 195                                            PIPE_TRANSFER_READ, x, y, w, h);
 196     if (!transfer)
 197         return FALSE;
 198
 199 #if DEBUG_PRINT
 200     debug_printf("------ ExaDownloadFromScreen(%d, %d, %d, %d, %d)\n",
 201                  x, y, w, h, dst_pitch);
 202 #endif
 203
 204     util_copy_rect((unsigned char*)dst, priv->tex->format, dst_pitch, 0, 0,
 205                    w, h, exa->scrn->transfer_map(exa->scrn, transfer),
 206                    transfer->stride, 0, 0);
 207
 208     exa->scrn->transfer_unmap(exa->scrn, transfer);
 209     exa->scrn->tex_transfer_destroy(transfer);
 210
 211     return TRUE;
 212 }
 213
 214 static Bool
 215 ExaUploadToScreen(PixmapPtr pPix, int x, int y, int w, int h, char *src,
 216                   int src_pitch)
 217 {
 218     ScreenPtr pScreen = pPix->drawable.pScreen;
 219     ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
 220     modesettingPtr ms = modesettingPTR(pScrn);
 221     struct exa_context *exa = ms->exa;
 222     struct exa_pixmap_priv *priv = exaGetPixmapDriverPrivate(pPix);
 223     struct pipe_transfer *transfer;
 224
 225     if (!priv || !priv->tex)
 226         return FALSE;
 227
 228     /* make sure that any pending operations are flushed to hardware */
 229     if (exa->pipe->is_texture_referenced(exa->pipe, priv->tex, 0, 0) &
 230         (PIPE_REFERENCED_FOR_READ | PIPE_REFERENCED_FOR_WRITE))
 231         xorg_exa_flush(exa, 0, NULL);
 232
 233     transfer = exa->scrn->get_tex_transfer(exa->scrn, priv->tex, 0, 0, 0,
 234                                            PIPE_TRANSFER_WRITE, x, y, w, h);
 235     if (!transfer)
 236         return FALSE;
 237
 238 #if DEBUG_PRINT
 239     debug_printf("++++++ ExaUploadToScreen(%d, %d, %d, %d, %d)\n",
 240                  x, y, w, h, src_pitch);
 241 #endif
 242
 243     util_copy_rect(exa->scrn->transfer_map(exa->scrn, transfer),
 244                    priv->tex->format, transfer->stride, 0, 0, w, h,
 245                    (unsigned char*)src, src_pitch, 0, 0);
 246
 247     exa->scrn->transfer_unmap(exa->scrn, transfer);
 248     exa->scrn->tex_transfer_destroy(transfer);
 249
 250     return TRUE;
 251 }
 252
 253 static Bool
 254 ExaPrepareAccess(PixmapPtr pPix, int index)
 255 {
 256     ScreenPtr pScreen = pPix->drawable.pScreen;
 257     ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
 258     modesettingPtr ms = modesettingPTR(pScrn);
 259     struct exa_context *exa = ms->exa;
 260     struct exa_pixmap_priv *priv;
 261
 262     priv = exaGetPixmapDriverPrivate(pPix);
 263
 264     if (!priv)
 265         return FALSE;
 266
 267     if (!priv->tex)
 268         return FALSE;
 269
 270     if (priv->map_count == 0)
 271     {
 272         if (exa->pipe->is_texture_referenced(exa->pipe, priv->tex, 0, 0) &
 273             PIPE_REFERENCED_FOR_WRITE)
 274             exa->pipe->flush(exa->pipe, 0, NULL);
 275
 276         assert(pPix->drawable.width <= priv->tex->width0);
 277         assert(pPix->drawable.height <= priv->tex->height0);
 278
 279         priv->map_transfer =
 280             exa->scrn->get_tex_transfer(exa->scrn, priv->tex, 0, 0, 0,
 281 #ifdef EXA_MIXED_PIXMAPS
 282                                         PIPE_TRANSFER_MAP_DIRECTLY |
 283 #endif
 284                                         PIPE_TRANSFER_READ_WRITE,
 285                                         0, 0,
 286                                         pPix->drawable.width,
 287                                         pPix->drawable.height );
 288         if (!priv->map_transfer)
 289 #ifdef EXA_MIXED_PIXMAPS
 290             return FALSE;
 291 #else
 292             FatalError("failed to create transfer\n");
 293 #endif
 294
 295         pPix->devPrivate.ptr =
 296             exa->scrn->transfer_map(exa->scrn, priv->map_transfer);
 297         pPix->devKind = priv->map_transfer->stride;
 298     }
 299
 300     priv->map_count++;
 301
 302     return TRUE;
 303 }
 304
 305 static void
 306 ExaFinishAccess(PixmapPtr pPix, int index)
 307 {
 308     ScreenPtr pScreen = pPix->drawable.pScreen;
 309     ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
 310     modesettingPtr ms = modesettingPTR(pScrn);
 311     struct exa_context *exa = ms->exa;
 312     struct exa_pixmap_priv *priv;
 313     priv = exaGetPixmapDriverPrivate(pPix);
 314
 315     if (!priv)
 316         return;
 317
 318     if (!priv->map_transfer)
 319         return;
 320
 321     if (--priv->map_count == 0) {
 322         assert(priv->map_transfer);
 323         exa->scrn->transfer_unmap(exa->scrn, priv->map_transfer);
 324         exa->scrn->tex_transfer_destroy(priv->map_transfer);
 325         priv->map_transfer = NULL;
 326         pPix->devPrivate.ptr = NULL;
 327     }
 328 }
 329
 330 /***********************************************************************
 331  * Solid Fills
 332  */
 333
 334 static Bool
 335 ExaPrepareSolid(PixmapPtr pPixmap, int alu, Pixel planeMask, Pixel fg)
 336 {
 337     ScrnInfoPtr pScrn = xf86Screens[pPixmap->drawable.pScreen->myNum];
 338     modesettingPtr ms = modesettingPTR(pScrn);
 339     struct exa_pixmap_priv *priv = exaGetPixmapDriverPrivate(pPixmap);
 340     struct exa_context *exa = ms->exa;
 341
 342 #if DEBUG_PRINT
 343     debug_printf("ExaPrepareSolid(0x%x)\n", fg);
 344 #endif
 345     if (!exa->accel)
 346         return FALSE;
 347
 348     if (!exa->pipe)
 349         XORG_FALLBACK("accle not enabled");
 350
 351     if (!priv || !priv->tex)
 352         XORG_FALLBACK("%s", !priv ? "!priv" : "!priv->tex");
 353
 354     if (!EXA_PM_IS_SOLID(&pPixmap->drawable, planeMask))
 355         XORG_FALLBACK("planeMask is not solid");
 356
 357     if (alu != GXcopy)
 358         XORG_FALLBACK("not GXcopy");
 359
 360     if (!exa->scrn->is_format_supported(exa->scrn, priv->tex->format,
 361                                         priv->tex->target,
 362                                         PIPE_TEXTURE_USAGE_RENDER_TARGET, 0)) {
 363         XORG_FALLBACK("format %s", pf_name(priv->tex->format));
 364     }
 365
 366     return xorg_solid_bind_state(exa, priv, fg);
 367 }
 368
 369 static void
 370 ExaSolid(PixmapPtr pPixmap, int x0, int y0, int x1, int y1)
 371 {
 372     ScrnInfoPtr pScrn = xf86Screens[pPixmap->drawable.pScreen->myNum];
 373     modesettingPtr ms = modesettingPTR(pScrn);
 374     struct exa_context *exa = ms->exa;
 375     struct exa_pixmap_priv *priv = exaGetPixmapDriverPrivate(pPixmap);
 376
 377 #if DEBUG_PRINT
 378     debug_printf("\tExaSolid(%d, %d, %d, %d)\n", x0, y0, x1, y1);
 379 #endif
 380
 381     if (x0 == 0 && y0 == 0 &&
 382         x1 == pPixmap->drawable.width && y1 == pPixmap->drawable.height) {
 383        exa->pipe->clear(exa->pipe, PIPE_CLEAR_COLOR, exa->solid_color, 0.0, 0);
 384        return;
 385     }
 386
 387     xorg_solid(exa, priv, x0, y0, x1, y1) ;
 388 }
 389
 390
 391 static void
 392 ExaDoneSolid(PixmapPtr pPixmap)
 393 {
 394     ScrnInfoPtr pScrn = xf86Screens[pPixmap->drawable.pScreen->myNum];
 395     modesettingPtr ms = modesettingPTR(pScrn);
 396     struct exa_pixmap_priv *priv = exaGetPixmapDriverPrivate(pPixmap);
 397     struct exa_context *exa = ms->exa;
 398
 399     if (!priv)
 400         return;
 401
 402     xorg_composite_done(exa);
 403 }
 404
 405 /***********************************************************************
 406  * Copy Blits
 407  */
 408
 409 static Bool
 410 ExaPrepareCopy(PixmapPtr pSrcPixmap, PixmapPtr pDstPixmap, int xdir,
 411                int ydir, int alu, Pixel planeMask)
 412 {
 413     ScrnInfoPtr pScrn = xf86Screens[pDstPixmap->drawable.pScreen->myNum];
 414     modesettingPtr ms = modesettingPTR(pScrn);
 415     struct exa_context *exa = ms->exa;
 416     struct exa_pixmap_priv *priv = exaGetPixmapDriverPrivate(pDstPixmap);
 417     struct exa_pixmap_priv *src_priv = exaGetPixmapDriverPrivate(pSrcPixmap);
 418
 419 #if DEBUG_PRINT
 420     debug_printf("ExaPrepareCopy\n");
 421 #endif
 422
 423     if (!exa->accel)
 424         return FALSE;
 425
 426     if (!exa->pipe)
 427         XORG_FALLBACK("accle not enabled");
 428
 429     if (!priv || !priv->tex)
 430         XORG_FALLBACK("pDst %s", !priv ? "!priv" : "!priv->tex");
 431
 432     if (!src_priv || !src_priv->tex)
 433         XORG_FALLBACK("pSrc %s", !src_priv ? "!priv" : "!priv->tex");
 434
 435     if (!EXA_PM_IS_SOLID(&pSrcPixmap->drawable, planeMask))
 436         XORG_FALLBACK("planeMask is not solid");
 437
 438     if (alu != GXcopy)
 439         XORG_FALLBACK("alu not GXcopy");
 440
 441     if (!exa->scrn->is_format_supported(exa->scrn, priv->tex->format,
 442                                         priv->tex->target,
 443                                         PIPE_TEXTURE_USAGE_RENDER_TARGET, 0))
 444         XORG_FALLBACK("pDst format %s", pf_name(priv->tex->format));
 445
 446     if (!exa->scrn->is_format_supported(exa->scrn, src_priv->tex->format,
 447                                         src_priv->tex->target,
 448                                         PIPE_TEXTURE_USAGE_SAMPLER, 0))
 449         XORG_FALLBACK("pSrc format %s", pf_name(src_priv->tex->format));
 450
 451     exa->copy.src = src_priv;
 452     exa->copy.dst = priv;
 453
 454     /* For same-surface copies, the pipe->surface_copy path is clearly
 455      * superior, providing it is implemented.  In other cases it's not
 456      * clear what the better path would be, and eventually we'd
 457      * probably want to gather timings and choose dynamically.
 458      */
 459     if (exa->pipe->surface_copy &&
 460         exa->copy.src == exa->copy.dst) {
 461
 462        exa->copy.use_surface_copy = TRUE;
 463
 464        exa->copy.src_surface =
 465           exa->scrn->get_tex_surface( exa->scrn,
 466                                       exa->copy.src->tex,
 467                                       0, 0, 0,
 468                                       PIPE_BUFFER_USAGE_GPU_READ);
 469
 470        exa->copy.dst_surface =
 471           exa->scrn->get_tex_surface( exa->scrn,
 472                                       exa->copy.dst->tex,
 473                                       0, 0, 0,
 474                                       PIPE_BUFFER_USAGE_GPU_WRITE );
 475     }
 476     else {
 477        exa->copy.use_surface_copy = FALSE;
 478
 479        if (exa->copy.dst == exa->copy.src)
 480           exa->copy.src_texture = renderer_clone_texture( exa->renderer,
 481                                                           exa->copy.src->tex );
 482        else
 483           pipe_texture_reference(&exa->copy.src_texture,
 484                                  exa->copy.src->tex);
 485
 486        exa->copy.dst_surface =
 487           exa->scrn->get_tex_surface(exa->scrn,
 488                                      exa->copy.dst->tex,
 489                                      0, 0, 0,
 490                                      PIPE_BUFFER_USAGE_GPU_WRITE);
 491
 492
 493        renderer_copy_prepare(exa->renderer,
 494                              exa->copy.dst_surface,
 495                              exa->copy.src_texture );
 496     }
 497
 498
 499     return TRUE;
 500 }
 501
 502 static void
 503 ExaCopy(PixmapPtr pDstPixmap, int srcX, int srcY, int dstX, int dstY,
 504         int width, int height)
 505 {
 506    ScrnInfoPtr pScrn = xf86Screens[pDstPixmap->drawable.pScreen->myNum];
 507    modesettingPtr ms = modesettingPTR(pScrn);
 508    struct exa_context *exa = ms->exa;
 509    struct exa_pixmap_priv *priv = exaGetPixmapDriverPrivate(pDstPixmap);
 510
 511 #if DEBUG_PRINT
 512    debug_printf("\tExaCopy(srcx=%d, srcy=%d, dstX=%d, dstY=%d, w=%d, h=%d)\n",
 513                 srcX, srcY, dstX, dstY, width, height);
 514 #endif
 515
 516    debug_assert(priv == exa->copy.dst);
 517    (void) priv;
 518
 519    if (exa->copy.use_surface_copy) {
 520       /* XXX: consider exposing >1 box in surface_copy interface.
 521        */
 522       exa->pipe->surface_copy( exa->pipe,
 523                              exa->copy.dst_surface,
 524                              dstX, dstY,
 525                              exa->copy.src_surface,
 526                              srcX, srcY,
 527                              width, height );
 528    }
 529    else {
 530       renderer_copy_pixmap(exa->renderer,
 531                            dstX, dstY,
 532                            srcX, srcY,
 533                            width, height,
 534                            exa->copy.src_texture->width0,
 535                            exa->copy.src_texture->height0);
 536    }
 537 }
 538
 539 static void
 540 ExaDoneCopy(PixmapPtr pPixmap)
 541 {
 542     ScrnInfoPtr pScrn = xf86Screens[pPixmap->drawable.pScreen->myNum];
 543     modesettingPtr ms = modesettingPTR(pScrn);
 544     struct exa_pixmap_priv *priv = exaGetPixmapDriverPrivate(pPixmap);
 545     struct exa_context *exa = ms->exa;
 546
 547     if (!priv)
 548         return;
 549
 550    renderer_draw_flush(exa->renderer);
 551
 552    exa->copy.src = NULL;
 553    exa->copy.dst = NULL;
 554    pipe_surface_reference(&exa->copy.src_surface, NULL);
 555    pipe_surface_reference(&exa->copy.dst_surface, NULL);
 556    pipe_texture_reference(&exa->copy.src_texture, NULL);
 557 }
 558
 559
 560
 561 static Bool
 562 picture_check_formats(struct exa_pixmap_priv *pSrc, PicturePtr pSrcPicture)
 563 {
 564    if (pSrc->picture_format == pSrcPicture->format)
 565       return TRUE;
 566
 567    if (pSrc->picture_format != PICT_a8r8g8b8)
 568       return FALSE;
 569
 570    /* pSrc->picture_format == PICT_a8r8g8b8 */
 571    switch (pSrcPicture->format) {
 572    case PICT_a8r8g8b8:
 573    case PICT_x8r8g8b8:
 574    case PICT_a8b8g8r8:
 575    case PICT_x8b8g8r8:
 576    /* just treat these two as x8... */
 577    case PICT_r8g8b8:
 578    case PICT_b8g8r8:
 579       return TRUE;
 580 #ifdef PICT_TYPE_BGRA
 581    case PICT_b8g8r8a8:
 582    case PICT_b8g8r8x8:
 583       return FALSE; /* does not support swizzleing the alpha channel yet */
 584    case PICT_a2r10g10b10:
 585    case PICT_x2r10g10b10:
 586    case PICT_a2b10g10r10:
 587    case PICT_x2b10g10r10:
 588       return FALSE;
 589 #endif
 590    default:
 591       return FALSE;
 592    }
 593    return FALSE;
 594 }
 595
 596 /***********************************************************************
 597  * Composite entrypoints
 598  */
 599
 600 static Bool
 601 ExaCheckComposite(int op,
 602                   PicturePtr pSrcPicture, PicturePtr pMaskPicture,
 603                   PicturePtr pDstPicture)
 604 {
 605    ScrnInfoPtr pScrn = xf86Screens[pDstPicture->pDrawable->pScreen->myNum];
 606    modesettingPtr ms = modesettingPTR(pScrn);
 607    struct exa_context *exa = ms->exa;
 608
 609 #if DEBUG_PRINT
 610    debug_printf("ExaCheckComposite(%d, %p, %p, %p) = %d\n",
 611                 op, pSrcPicture, pMaskPicture, pDstPicture, accelerated);
 612 #endif
 613
 614    if (!exa->accel)
 615        return FALSE;
 616
 617    return xorg_composite_accelerated(op,
 618                                      pSrcPicture,
 619                                      pMaskPicture,
 620                                      pDstPicture);
 621 }
 622
 623
 624 static Bool
 625 ExaPrepareComposite(int op, PicturePtr pSrcPicture,
 626                     PicturePtr pMaskPicture, PicturePtr pDstPicture,
 627                     PixmapPtr pSrc, PixmapPtr pMask, PixmapPtr pDst)
 628 {
 629    ScrnInfoPtr pScrn = xf86Screens[pDst->drawable.pScreen->myNum];
 630    modesettingPtr ms = modesettingPTR(pScrn);
 631    struct exa_context *exa = ms->exa;
 632    struct exa_pixmap_priv *priv;
 633
 634    if (!exa->accel)
 635        return FALSE;
 636
 637 #if DEBUG_PRINT
 638    debug_printf("ExaPrepareComposite(%d, src=0x%p, mask=0x%p, dst=0x%p)\n",
 639                 op, pSrcPicture, pMaskPicture, pDstPicture);
 640    debug_printf("\tFormats: src(%s), mask(%s), dst(%s)\n",
 641                 pSrcPicture ? render_format_name(pSrcPicture->format) : "none",
 642                 pMaskPicture ? render_format_name(pMaskPicture->format) : "none",
 643                 pDstPicture ? render_format_name(pDstPicture->format) : "none");
 644 #endif
 645    if (!exa->pipe)
 646       XORG_FALLBACK("accle not enabled");
 647
 648    priv = exaGetPixmapDriverPrivate(pDst);
 649    if (!priv || !priv->tex)
 650       XORG_FALLBACK("pDst %s", !priv ? "!priv" : "!priv->tex");
 651
 652    if (!exa->scrn->is_format_supported(exa->scrn, priv->tex->format,
 653                                        priv->tex->target,
 654                                        PIPE_TEXTURE_USAGE_RENDER_TARGET, 0))
 655       XORG_FALLBACK("pDst format: %s", pf_name(priv->tex->format));
 656
 657    if (priv->picture_format != pDstPicture->format)
 658       XORG_FALLBACK("pDst pic_format: %s != %s",
 659                     render_format_name(priv->picture_format),
 660                     render_format_name(pDstPicture->format));
 661
 662    if (pSrc) {
 663       priv = exaGetPixmapDriverPrivate(pSrc);
 664       if (!priv || !priv->tex)
 665          XORG_FALLBACK("pSrc %s", !priv ? "!priv" : "!priv->tex");
 666
 667       if (!exa->scrn->is_format_supported(exa->scrn, priv->tex->format,
 668                                           priv->tex->target,
 669                                           PIPE_TEXTURE_USAGE_SAMPLER, 0))
 670          XORG_FALLBACK("pSrc format: %s", pf_name(priv->tex->format));
 671
 672       if (!picture_check_formats(priv, pSrcPicture))
 673          XORG_FALLBACK("pSrc pic_format: %s != %s",
 674                        render_format_name(priv->picture_format),
 675                        render_format_name(pSrcPicture->format));
 676
 677    }
 678
 679    if (pMask) {
 680       priv = exaGetPixmapDriverPrivate(pMask);
 681       if (!priv || !priv->tex)
 682          XORG_FALLBACK("pMask %s", !priv ? "!priv" : "!priv->tex");
 683
 684       if (!exa->scrn->is_format_supported(exa->scrn, priv->tex->format,
 685                                           priv->tex->target,
 686                                           PIPE_TEXTURE_USAGE_SAMPLER, 0))
 687          XORG_FALLBACK("pMask format: %s", pf_name(priv->tex->format));
 688
 689       if (!picture_check_formats(priv, pMaskPicture))
 690          XORG_FALLBACK("pMask pic_format: %s != %s",
 691                        render_format_name(priv->picture_format),
 692                        render_format_name(pMaskPicture->format));
 693    }
 694
 695    return xorg_composite_bind_state(exa, op, pSrcPicture, pMaskPicture,
 696                                     pDstPicture,
 697                                     pSrc ? exaGetPixmapDriverPrivate(pSrc) : NULL,
 698                                     pMask ? exaGetPixmapDriverPrivate(pMask) : NULL,
 699                                     exaGetPixmapDriverPrivate(pDst));
 700 }
 701
 702 static void
 703 ExaComposite(PixmapPtr pDst, int srcX, int srcY, int maskX, int maskY,
 704              int dstX, int dstY, int width, int height)
 705 {
 706    ScrnInfoPtr pScrn = xf86Screens[pDst->drawable.pScreen->myNum];
 707    modesettingPtr ms = modesettingPTR(pScrn);
 708    struct exa_context *exa = ms->exa;
 709    struct exa_pixmap_priv *priv = exaGetPixmapDriverPrivate(pDst);
 710
 711 #if DEBUG_PRINT
 712    debug_printf("\tExaComposite(src[%d,%d], mask=[%d, %d], dst=[%d, %d], dim=[%d, %d])\n",
 713                 srcX, srcY, maskX, maskY, dstX, dstY, width, height);
 714    debug_printf("\t   Num bound samplers = %d\n",
 715                 exa->num_bound_samplers);
 716 #endif
 717
 718    xorg_composite(exa, priv, srcX, srcY, maskX, maskY,
 719                   dstX, dstY, width, height);
 720 }
 721
 722
 723
 724 static void
 725 ExaDoneComposite(PixmapPtr pPixmap)
 726 {
 727    ScrnInfoPtr pScrn = xf86Screens[pPixmap->drawable.pScreen->myNum];
 728    modesettingPtr ms = modesettingPTR(pScrn);
 729    struct exa_context *exa = ms->exa;
 730
 731    xorg_composite_done(exa);
 732 }
 733
 734
 735 /***********************************************************************
 736  * Pixmaps
 737  */
 738
 739 static void *
 740 ExaCreatePixmap(ScreenPtr pScreen, int size, int align)
 741 {
 742     struct exa_pixmap_priv *priv;
 743
 744     priv = xcalloc(1, sizeof(struct exa_pixmap_priv));
 745     if (!priv)
 746         return NULL;
 747
 748     return priv;
 749 }
 750
 751 static void
 752 ExaDestroyPixmap(ScreenPtr pScreen, void *dPriv)
 753 {
 754     struct exa_pixmap_priv *priv = (struct exa_pixmap_priv *)dPriv;
 755
 756     if (!priv)
 757         return;
 758
 759     pipe_texture_reference(&priv->tex, NULL);
 760
 761     xfree(priv);
 762 }
 763
 764 static Bool
 765 ExaPixmapIsOffscreen(PixmapPtr pPixmap)
 766 {
 767     struct exa_pixmap_priv *priv;
 768
 769     priv = exaGetPixmapDriverPrivate(pPixmap);
 770
 771     if (!priv)
 772         return FALSE;
 773
 774     if (priv->tex)
 775         return TRUE;
 776
 777     return FALSE;
 778 }
 779
 780 int
 781 xorg_exa_set_displayed_usage(PixmapPtr pPixmap)
 782 {
 783     struct exa_pixmap_priv *priv;
 784     priv = exaGetPixmapDriverPrivate(pPixmap);
 785
 786     if (!priv) {
 787         FatalError("NO PIXMAP PRIVATE\n");
 788         return 0;
 789     }
 790
 791     priv->flags |= PIPE_TEXTURE_USAGE_PRIMARY;
 792
 793     return 0;
 794 }
 795
 796 int
 797 xorg_exa_set_shared_usage(PixmapPtr pPixmap)
 798 {
 799     struct exa_pixmap_priv *priv;
 800     priv = exaGetPixmapDriverPrivate(pPixmap);
 801
 802     if (!priv) {
 803         FatalError("NO PIXMAP PRIVATE\n");
 804         return 0;
 805     }
 806
 807     priv->flags |= PIPE_TEXTURE_USAGE_DISPLAY_TARGET;
 808
 809     return 0;
 810 }
 811
 812
 813
 814 static Bool
 815 size_match( int width, int tex_width )
 816 {
 817 #if ROUND_UP_TEXTURES
 818    if (width > tex_width)
 819       return FALSE;
 820
 821    if (width * 2 < tex_width)
 822       return FALSE;
 823
 824    return TRUE;
 825 #else
 826    return width == tex_width;
 827 #endif
 828 }
 829
 830 static Bool
 831 ExaModifyPixmapHeader(PixmapPtr pPixmap, int width, int height,
 832                       int depth, int bitsPerPixel, int devKind,
 833                       pointer pPixData)
 834 {
 835     ScreenPtr pScreen = pPixmap->drawable.pScreen;
 836     ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
 837     struct exa_pixmap_priv *priv = exaGetPixmapDriverPrivate(pPixmap);
 838     modesettingPtr ms = modesettingPTR(pScrn);
 839     struct exa_context *exa = ms->exa;
 840
 841     if (!priv || pPixData)
 842         return FALSE;
 843
 844     if (0) {
 845        debug_printf("%s pixmap %p sz %dx%dx%d devKind %d\n",
 846                     __FUNCTION__, pPixmap, width, height, bitsPerPixel, devKind);
 847
 848        if (priv->tex)
 849           debug_printf("  ==> old texture %dx%d\n",
 850                        priv->tex->width0,
 851                        priv->tex->height0);
 852     }
 853
 854
 855     if (depth <= 0)
 856         depth = pPixmap->drawable.depth;
 857
 858     if (bitsPerPixel <= 0)
 859         bitsPerPixel = pPixmap->drawable.bitsPerPixel;
 860
 861     if (width <= 0)
 862         width = pPixmap->drawable.width;
 863
 864     if (height <= 0)
 865         height = pPixmap->drawable.height;
 866
 867     if (width <= 0 || height <= 0 || depth <= 0)
 868         return FALSE;
 869
 870     miModifyPixmapHeader(pPixmap, width, height, depth,
 871                              bitsPerPixel, devKind, NULL);
 872
 873     priv->width = width;
 874     priv->height = height;
 875
 876     /* Deal with screen resize */
 877     if ((exa->accel || priv->flags) &&
 878         (!priv->tex ||
 879          !size_match(width, priv->tex->width0) ||
 880          !size_match(height, priv->tex->height0) ||
 881          priv->tex_flags != priv->flags)) {
 882         struct pipe_texture *texture = NULL;
 883         struct pipe_texture template;
 884
 885         memset(&template, 0, sizeof(template));
 886         template.target = PIPE_TEXTURE_2D;
 887         exa_get_pipe_format(depth, &template.format, &bitsPerPixel, &priv->picture_format);
 888         if (ROUND_UP_TEXTURES && priv->flags == 0) {
 889            template.width0 = util_next_power_of_two(width);
 890            template.height0 = util_next_power_of_two(height);
 891         }
 892         else {
 893            template.width0 = width;
 894            template.height0 = height;
 895         }
 896
 897         template.depth0 = 1;
 898         template.last_level = 0;
 899         template.tex_usage = PIPE_TEXTURE_USAGE_RENDER_TARGET | priv->flags;
 900         priv->tex_flags = priv->flags;
 901         texture = exa->scrn->texture_create(exa->scrn, &template);
 902
 903         if (priv->tex) {
 904             struct pipe_surface *dst_surf;
 905             struct pipe_surface *src_surf;
 906
 907             dst_surf = exa->scrn->get_tex_surface(
 908                 exa->scrn, texture, 0, 0, 0, PIPE_BUFFER_USAGE_GPU_WRITE);
 909             src_surf = xorg_gpu_surface(exa->pipe->screen, priv);
 910             if (exa->pipe->surface_copy) {
 911                exa->pipe->surface_copy(exa->pipe, dst_surf, 0, 0, src_surf,
 912                                        0, 0, min(width, texture->width0),
 913                                        min(height, texture->height0));
 914             } else {
 915                util_surface_copy(exa->pipe, FALSE, dst_surf, 0, 0, src_surf,
 916                                  0, 0, min(width, texture->width0),
 917                                  min(height, texture->height0));
 918             }
 919             exa->scrn->tex_surface_destroy(dst_surf);
 920             exa->scrn->tex_surface_destroy(src_surf);
 921         }
 922
 923         pipe_texture_reference(&priv->tex, texture);
 924         /* the texture we create has one reference */
 925         pipe_texture_reference(&texture, NULL);
 926     }
 927
 928     return TRUE;
 929 }
 930
 931 struct pipe_texture *
 932 xorg_exa_get_texture(PixmapPtr pPixmap)
 933 {
 934    struct exa_pixmap_priv *priv = exaGetPixmapDriverPrivate(pPixmap);
 935    struct pipe_texture *tex = NULL;
 936    pipe_texture_reference(&tex, priv->tex);
 937    return tex;
 938 }
 939
 940 Bool
 941 xorg_exa_set_texture(PixmapPtr pPixmap, struct  pipe_texture *tex)
 942 {
 943     struct exa_pixmap_priv *priv = exaGetPixmapDriverPrivate(pPixmap);
 944
 945     int mask = PIPE_TEXTURE_USAGE_PRIMARY | PIPE_TEXTURE_USAGE_DISPLAY_TARGET;
 946
 947     if (!priv)
 948         return FALSE;
 949
 950     if (pPixmap->drawable.width != tex->width0 ||
 951         pPixmap->drawable.height != tex->height0)
 952         return FALSE;
 953
 954     pipe_texture_reference(&priv->tex, tex);
 955     priv->tex_flags = tex->tex_usage & mask;
 956
 957     return TRUE;
 958 }
 959
 960 struct pipe_texture *
 961 xorg_exa_create_root_texture(ScrnInfoPtr pScrn,
 962                              int width, int height,
 963                              int depth, int bitsPerPixel)
 964 {
 965     modesettingPtr ms = modesettingPTR(pScrn);
 966     struct exa_context *exa = ms->exa;
 967     struct pipe_texture template;
 968     int dummy;
 969
 970     memset(&template, 0, sizeof(template));
 971     template.target = PIPE_TEXTURE_2D;
 972     exa_get_pipe_format(depth, &template.format, &bitsPerPixel, &dummy);
 973     template.width0 = width;
 974     template.height0 = height;
 975     template.depth0 = 1;
 976     template.last_level = 0;
 977     template.tex_usage |= PIPE_TEXTURE_USAGE_RENDER_TARGET;
 978     template.tex_usage |= PIPE_TEXTURE_USAGE_PRIMARY;
 979     template.tex_usage |= PIPE_TEXTURE_USAGE_DISPLAY_TARGET;
 980
 981     return exa->scrn->texture_create(exa->scrn, &template);
 982 }
 983
 984 void
 985 xorg_exa_close(ScrnInfoPtr pScrn)
 986 {
 987    modesettingPtr ms = modesettingPTR(pScrn);
 988    struct exa_context *exa = ms->exa;
 989
 990    renderer_destroy(exa->renderer);
 991
 992    if (exa->pipe)
 993       exa->pipe->destroy(exa->pipe);
 994    exa->pipe = NULL;
 995    /* Since this was shared be proper with the pointer */
 996    ms->ctx = NULL;
 997
 998    exaDriverFini(pScrn->pScreen);
 999    xfree(exa);
1000    ms->exa = NULL;
1001 }
1002
1003 void *
1004 xorg_exa_init(ScrnInfoPtr pScrn, Bool accel)
1005 {
1006    modesettingPtr ms = modesettingPTR(pScrn);
1007    struct exa_context *exa;
1008    ExaDriverPtr pExa;
1009
1010    exa = xcalloc(1, sizeof(struct exa_context));
1011    if (!exa)
1012       return NULL;
1013
1014    pExa = exaDriverAlloc();
1015    if (!pExa) {
1016       goto out_err;
1017    }
1018
1019    memset(pExa, 0, sizeof(*pExa));
1020
1021    pExa->exa_major         = 2;
1022    pExa->exa_minor         = 2;
1023    pExa->memoryBase        = 0;
1024    pExa->memorySize        = 0;
1025    pExa->offScreenBase     = 0;
1026    pExa->pixmapOffsetAlign = 0;
1027    pExa->pixmapPitchAlign  = 1;
1028    pExa->flags             = EXA_OFFSCREEN_PIXMAPS | EXA_HANDLES_PIXMAPS;
1029 #ifdef EXA_SUPPORTS_PREPARE_AUX
1030    pExa->flags            |= EXA_SUPPORTS_PREPARE_AUX;
1031 #endif
1032 #ifdef EXA_MIXED_PIXMAPS
1033    pExa->flags            |= EXA_MIXED_PIXMAPS;
1034 #endif
1035    pExa->maxX              = 8191; /* FIXME */
1036    pExa->maxY              = 8191; /* FIXME */
1037
1038    pExa->WaitMarker         = ExaWaitMarker;
1039    pExa->MarkSync           = ExaMarkSync;
1040    pExa->PrepareSolid       = ExaPrepareSolid;
1041    pExa->Solid              = ExaSolid;
1042    pExa->DoneSolid          = ExaDoneSolid;
1043    pExa->PrepareCopy        = ExaPrepareCopy;
1044    pExa->Copy               = ExaCopy;
1045    pExa->DoneCopy           = ExaDoneCopy;
1046    pExa->CheckComposite     = ExaCheckComposite;
1047    pExa->PrepareComposite   = ExaPrepareComposite;
1048    pExa->Composite          = ExaComposite;
1049    pExa->DoneComposite      = ExaDoneComposite;
1050    pExa->PixmapIsOffscreen  = ExaPixmapIsOffscreen;
1051    pExa->DownloadFromScreen = ExaDownloadFromScreen;
1052    pExa->UploadToScreen     = ExaUploadToScreen;
1053    pExa->PrepareAccess      = ExaPrepareAccess;
1054    pExa->FinishAccess       = ExaFinishAccess;
1055    pExa->CreatePixmap       = ExaCreatePixmap;
1056    pExa->DestroyPixmap      = ExaDestroyPixmap;
1057    pExa->ModifyPixmapHeader = ExaModifyPixmapHeader;
1058
1059    if (!exaDriverInit(pScrn->pScreen, pExa)) {
1060       goto out_err;
1061    }
1062
1063    exa->scrn = ms->screen;
1064    exa->pipe = exa->scrn->context_create(exa->scrn, NULL);
1065    if (exa->pipe == NULL)
1066       goto out_err;
1067
1068    /* Share context with DRI */
1069    ms->ctx = exa->pipe;
1070
1071    exa->renderer = renderer_create(exa->pipe);
1072    exa->accel = accel;
1073
1074    return (void *)exa;
1075
1076 out_err:
1077    xorg_exa_close(pScrn);
1078
1079    return NULL;
1080 }
1081
1082 struct pipe_surface *
1083 xorg_gpu_surface(struct pipe_screen *scrn, struct exa_pixmap_priv *priv)
1084 {
1085    return scrn->get_tex_surface(scrn, priv->tex, 0, 0, 0,
1086                                 PIPE_BUFFER_USAGE_GPU_READ |
1087                                 PIPE_BUFFER_USAGE_GPU_WRITE);
1088
1089 }
1090
1091 void xorg_exa_flush(struct exa_context *exa, uint pipeFlushFlags,
1092                     struct pipe_fence_handle **fence)
1093 {
1094    exa->pipe->flush(exa->pipe, pipeFlushFlags, fence);
1095 }
1096
1097 void xorg_exa_finish(struct exa_context *exa)
1098 {
1099    struct pipe_fence_handle *fence = NULL;
1100
1101    xorg_exa_flush(exa, PIPE_FLUSH_RENDER_CACHE, &fence);
1102
1103    exa->pipe->screen->fence_finish(exa->pipe->screen, fence, 0);
1104    exa->pipe->screen->fence_reference(exa->pipe->screen, &fence, NULL);
1105 }
1106