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 #include "pipe/p_inlines.h"
  45
  46 #include "util/u_rect.h"
  47
  48 #define DEBUG_PRINT 0
  49 #define ACCEL_ENABLED TRUE
  50
  51 /*
  52  * Helper functions
  53  */
  54 struct render_format_str {
  55    int format;
  56    const char *name;
  57 };
  58 static const struct render_format_str formats_info[] =
  59 {
  60    {PICT_a2r10g10b10, "PICT_a2r10g10b10"},
  61    {PICT_x2r10g10b10, "PICT_x2r10g10b10"},
  62    {PICT_a2b10g10r10, "PICT_a2b10g10r10"},
  63    {PICT_x2b10g10r10, "PICT_x2b10g10r10"},
  64    {PICT_a8r8g8b8, "PICT_a8r8g8b8"},
  65    {PICT_x8r8g8b8, "PICT_x8r8g8b8"},
  66    {PICT_a8b8g8r8, "PICT_a8b8g8r8"},
  67    {PICT_x8b8g8r8, "PICT_x8b8g8r8"},
  68    {PICT_b8g8r8a8, "PICT_b8g8r8a8"},
  69    {PICT_b8g8r8x8, "PICT_b8g8r8x8"},
  70    {PICT_r8g8b8, "PICT_r8g8b8"},
  71    {PICT_b8g8r8, "PICT_b8g8r8"},
  72    {PICT_r5g6b5, "PICT_r5g6b5"},
  73    {PICT_b5g6r5, "PICT_b5g6r5"},
  74    {PICT_a1r5g5b5, "PICT_a1r5g5b5"},
  75    {PICT_x1r5g5b5, "PICT_x1r5g5b5"},
  76    {PICT_a1b5g5r5, "PICT_a1b5g5r5"},
  77    {PICT_x1b5g5r5, "PICT_x1b5g5r5"},
  78    {PICT_a4r4g4b4, "PICT_a4r4g4b4"},
  79    {PICT_x4r4g4b4, "PICT_x4r4g4b4"},
  80    {PICT_a4b4g4r4, "PICT_a4b4g4r4"},
  81    {PICT_x4b4g4r4, "PICT_x4b4g4r4"},
  82    {PICT_a8, "PICT_a8"},
  83    {PICT_r3g3b2, "PICT_r3g3b2"},
  84    {PICT_b2g3r3, "PICT_b2g3r3"},
  85    {PICT_a2r2g2b2, "PICT_a2r2g2b2"},
  86    {PICT_a2b2g2r2, "PICT_a2b2g2r2"},
  87    {PICT_c8, "PICT_c8"},
  88    {PICT_g8, "PICT_g8"},
  89    {PICT_x4a4, "PICT_x4a4"},
  90    {PICT_x4c4, "PICT_x4c4"},
  91    {PICT_x4g4, "PICT_x4g4"},
  92    {PICT_a4, "PICT_a4"},
  93    {PICT_r1g2b1, "PICT_r1g2b1"},
  94    {PICT_b1g2r1, "PICT_b1g2r1"},
  95    {PICT_a1r1g1b1, "PICT_a1r1g1b1"},
  96    {PICT_a1b1g1r1, "PICT_a1b1g1r1"},
  97    {PICT_c4, "PICT_c4"},
  98    {PICT_g4, "PICT_g4"},
  99    {PICT_a1, "PICT_a1"},
 100    {PICT_g1, "PICT_g1"}
 101 };
 102 static const char *render_format_name(int format)
 103 {
 104    int i = 0;
 105    for (i = 0; i < sizeof(formats_info)/sizeof(formats_info[0]); ++i) {
 106       if (formats_info[i].format == format)
 107          return formats_info[i].name;
 108    }
 109    return NULL;
 110 }
 111
 112 static void
 113 exa_get_pipe_format(int depth, enum pipe_format *format, int *bbp, int *picture_format)
 114 {
 115     switch (depth) {
 116     case 32:
 117         *format = PIPE_FORMAT_A8R8G8B8_UNORM;
 118         *picture_format = PICT_a8r8g8b8;
 119         assert(*bbp == 32);
 120         break;
 121     case 24:
 122         *format = PIPE_FORMAT_X8R8G8B8_UNORM;
 123         *picture_format = PICT_x8r8g8b8;
 124         assert(*bbp == 32);
 125         break;
 126     case 16:
 127         *format = PIPE_FORMAT_R5G6B5_UNORM;
 128         *picture_format = PICT_r5g6b5;
 129         assert(*bbp == 16);
 130         break;
 131     case 15:
 132         *format = PIPE_FORMAT_A1R5G5B5_UNORM;
 133         *picture_format = PICT_x1r5g5b5;
 134         assert(*bbp == 16);
 135         break;
 136     case 8:
 137         *format = PIPE_FORMAT_L8_UNORM;
 138         *picture_format = PICT_a8;
 139         assert(*bbp == 8);
 140         break;
 141     case 4:
 142     case 1:
 143         *format = PIPE_FORMAT_A8R8G8B8_UNORM; /* bad bad bad */
 144         break;
 145     default:
 146         assert(0);
 147         break;
 148     }
 149 }
 150
 151 static void
 152 xorg_exa_common_done(struct exa_context *exa)
 153 {
 154    renderer_draw_flush(exa->renderer);
 155
 156    exa->copy.src = NULL;
 157    exa->copy.dst = NULL;
 158    exa->transform.has_src = FALSE;
 159    exa->transform.has_mask = FALSE;
 160    exa->has_solid_color = FALSE;
 161    exa->num_bound_samplers = 0;
 162 }
 163
 164 /*
 165  * Static exported EXA functions
 166  */
 167
 168 static void
 169 ExaWaitMarker(ScreenPtr pScreen, int marker)
 170 {
 171    ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
 172    modesettingPtr ms = modesettingPTR(pScrn);
 173    struct exa_context *exa = ms->exa;
 174
 175 #if 0
 176    xorg_exa_flush(exa, PIPE_FLUSH_RENDER_CACHE, NULL);
 177 #else
 178    xorg_exa_finish(exa);
 179 #endif
 180 }
 181
 182 static int
 183 ExaMarkSync(ScreenPtr pScreen)
 184 {
 185    return 1;
 186 }
 187
 188 static Bool
 189 ExaDownloadFromScreen(PixmapPtr pPix, int x,  int y, int w,  int h, char *dst,
 190                       int dst_pitch)
 191 {
 192     ScreenPtr pScreen = pPix->drawable.pScreen;
 193     ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
 194     modesettingPtr ms = modesettingPTR(pScrn);
 195     struct exa_context *exa = ms->exa;
 196     struct exa_pixmap_priv *priv = exaGetPixmapDriverPrivate(pPix);
 197     struct pipe_transfer *transfer;
 198
 199     if (!priv || !priv->tex)
 200         return FALSE;
 201
 202     if (exa->pipe->is_texture_referenced(exa->pipe, priv->tex, 0, 0) &
 203         PIPE_REFERENCED_FOR_WRITE)
 204         exa->pipe->flush(exa->pipe, 0, NULL);
 205
 206     transfer = exa->scrn->get_tex_transfer(exa->scrn, priv->tex, 0, 0, 0,
 207                                            PIPE_TRANSFER_READ, x, y, w, h);
 208     if (!transfer)
 209         return FALSE;
 210
 211 #if DEBUG_PRINT
 212     debug_printf("------ ExaDownloadFromScreen(%d, %d, %d, %d, %d)\n",
 213                  x, y, w, h, dst_pitch);
 214 #endif
 215
 216     util_copy_rect((unsigned char*)dst, &priv->tex->block, dst_pitch, 0, 0,
 217                    w, h, exa->scrn->transfer_map(exa->scrn, transfer),
 218                    transfer->stride, 0, 0);
 219
 220     exa->scrn->transfer_unmap(exa->scrn, transfer);
 221     exa->scrn->tex_transfer_destroy(transfer);
 222
 223     return TRUE;
 224 }
 225
 226 static Bool
 227 ExaUploadToScreen(PixmapPtr pPix, int x, int y, int w, int h, char *src,
 228                   int src_pitch)
 229 {
 230     ScreenPtr pScreen = pPix->drawable.pScreen;
 231     ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
 232     modesettingPtr ms = modesettingPTR(pScrn);
 233     struct exa_context *exa = ms->exa;
 234     struct exa_pixmap_priv *priv = exaGetPixmapDriverPrivate(pPix);
 235     struct pipe_transfer *transfer;
 236
 237     if (!priv || !priv->tex)
 238         return FALSE;
 239
 240     transfer = exa->scrn->get_tex_transfer(exa->scrn, priv->tex, 0, 0, 0,
 241                                            PIPE_TRANSFER_WRITE, x, y, w, h);
 242     if (!transfer)
 243         return FALSE;
 244
 245 #if DEBUG_PRINT
 246     debug_printf("++++++ ExaUploadToScreen(%d, %d, %d, %d, %d)\n",
 247                  x, y, w, h, src_pitch);
 248 #endif
 249
 250     util_copy_rect(exa->scrn->transfer_map(exa->scrn, transfer),
 251                    &priv->tex->block, transfer->stride, 0, 0, w, h,
 252                    (unsigned char*)src, src_pitch, 0, 0);
 253
 254     exa->scrn->transfer_unmap(exa->scrn, transfer);
 255     exa->scrn->tex_transfer_destroy(transfer);
 256
 257     return TRUE;
 258 }
 259
 260 static Bool
 261 ExaPrepareAccess(PixmapPtr pPix, int index)
 262 {
 263     ScreenPtr pScreen = pPix->drawable.pScreen;
 264     ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
 265     modesettingPtr ms = modesettingPTR(pScrn);
 266     struct exa_context *exa = ms->exa;
 267     struct exa_pixmap_priv *priv;
 268
 269     priv = exaGetPixmapDriverPrivate(pPix);
 270
 271     if (!priv)
 272         return FALSE;
 273
 274     if (!priv->tex)
 275         return FALSE;
 276
 277     if (priv->map_count == 0)
 278     {
 279         if (exa->pipe->is_texture_referenced(exa->pipe, priv->tex, 0, 0) &
 280             PIPE_REFERENCED_FOR_WRITE)
 281             exa->pipe->flush(exa->pipe, 0, NULL);
 282
 283         priv->map_transfer =
 284             exa->scrn->get_tex_transfer(exa->scrn, priv->tex, 0, 0, 0,
 285 #ifdef EXA_MIXED_PIXMAPS
 286                                         PIPE_TRANSFER_MAP_DIRECTLY |
 287 #endif
 288                                         PIPE_TRANSFER_READ_WRITE,
 289                                         0, 0, priv->tex->width[0], priv->tex->height[0]);
 290         if (!priv->map_transfer)
 291 #ifdef EXA_MIXED_PIXMAPS
 292             return FALSE;
 293 #else
 294             FatalError("failed to create transfer\n");
 295 #endif
 296
 297         pPix->devPrivate.ptr =
 298             exa->scrn->transfer_map(exa->scrn, priv->map_transfer);
 299         pPix->devKind = priv->map_transfer->stride;
 300     }
 301
 302     priv->map_count++;
 303
 304     return TRUE;
 305 }
 306
 307 static void
 308 ExaFinishAccess(PixmapPtr pPix, int index)
 309 {
 310     ScreenPtr pScreen = pPix->drawable.pScreen;
 311     ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
 312     modesettingPtr ms = modesettingPTR(pScrn);
 313     struct exa_context *exa = ms->exa;
 314     struct exa_pixmap_priv *priv;
 315     priv = exaGetPixmapDriverPrivate(pPix);
 316
 317     if (!priv)
 318         return;
 319
 320     if (!priv->map_transfer)
 321         return;
 322
 323     if (--priv->map_count == 0) {
 324         assert(priv->map_transfer);
 325         exa->scrn->transfer_unmap(exa->scrn, priv->map_transfer);
 326         exa->scrn->tex_transfer_destroy(priv->map_transfer);
 327         priv->map_transfer = NULL;
 328         pPix->devPrivate.ptr = NULL;
 329     }
 330 }
 331
 332 static void
 333 ExaDone(PixmapPtr pPixmap)
 334 {
 335     ScrnInfoPtr pScrn = xf86Screens[pPixmap->drawable.pScreen->myNum];
 336     modesettingPtr ms = modesettingPTR(pScrn);
 337     struct exa_pixmap_priv *priv = exaGetPixmapDriverPrivate(pPixmap);
 338     struct exa_context *exa = ms->exa;
 339
 340     if (!priv)
 341         return;
 342
 343     xorg_exa_common_done(exa);
 344 }
 345
 346 static void
 347 ExaDoneComposite(PixmapPtr pPixmap)
 348 {
 349    ScrnInfoPtr pScrn = xf86Screens[pPixmap->drawable.pScreen->myNum];
 350    modesettingPtr ms = modesettingPTR(pScrn);
 351    struct exa_context *exa = ms->exa;
 352
 353    xorg_exa_common_done(exa);
 354 }
 355
 356 static Bool
 357 ExaPrepareSolid(PixmapPtr pPixmap, int alu, Pixel planeMask, Pixel fg)
 358 {
 359     ScrnInfoPtr pScrn = xf86Screens[pPixmap->drawable.pScreen->myNum];
 360     modesettingPtr ms = modesettingPTR(pScrn);
 361     struct exa_pixmap_priv *priv = exaGetPixmapDriverPrivate(pPixmap);
 362     struct exa_context *exa = ms->exa;
 363
 364 #if DEBUG_PRINT
 365     debug_printf("ExaPrepareSolid(0x%x)\n", fg);
 366 #endif
 367     if (!exa->pipe)
 368         XORG_FALLBACK("accle not enabled");
 369
 370     if (!priv || !priv->tex)
 371         XORG_FALLBACK("%s", !priv ? "!priv" : "!priv->tex");
 372
 373     if (!EXA_PM_IS_SOLID(&pPixmap->drawable, planeMask))
 374         XORG_FALLBACK("planeMask is not solid");
 375
 376     if (alu != GXcopy)
 377         XORG_FALLBACK("not GXcopy");
 378
 379     if (!exa->scrn->is_format_supported(exa->scrn, priv->tex->format,
 380                                         priv->tex->target,
 381                                         PIPE_TEXTURE_USAGE_RENDER_TARGET, 0)) {
 382         XORG_FALLBACK("format %s", pf_name(priv->tex->format));
 383     }
 384
 385     return ACCEL_ENABLED && xorg_solid_bind_state(exa, priv, fg);
 386 }
 387
 388 static void
 389 ExaSolid(PixmapPtr pPixmap, int x0, int y0, int x1, int y1)
 390 {
 391     ScrnInfoPtr pScrn = xf86Screens[pPixmap->drawable.pScreen->myNum];
 392     modesettingPtr ms = modesettingPTR(pScrn);
 393     struct exa_context *exa = ms->exa;
 394     struct exa_pixmap_priv *priv = exaGetPixmapDriverPrivate(pPixmap);
 395
 396 #if DEBUG_PRINT
 397     debug_printf("\tExaSolid(%d, %d, %d, %d)\n", x0, y0, x1, y1);
 398 #endif
 399
 400     xorg_solid(exa, priv, x0, y0, x1, y1) ;
 401 }
 402
 403 static Bool
 404 ExaPrepareCopy(PixmapPtr pSrcPixmap, PixmapPtr pDstPixmap, int xdir,
 405                int ydir, int alu, Pixel planeMask)
 406 {
 407     ScrnInfoPtr pScrn = xf86Screens[pDstPixmap->drawable.pScreen->myNum];
 408     modesettingPtr ms = modesettingPTR(pScrn);
 409     struct exa_context *exa = ms->exa;
 410     struct exa_pixmap_priv *priv = exaGetPixmapDriverPrivate(pDstPixmap);
 411     struct exa_pixmap_priv *src_priv = exaGetPixmapDriverPrivate(pSrcPixmap);
 412
 413 #if DEBUG_PRINT
 414     debug_printf("ExaPrepareCopy\n");
 415 #endif
 416     if (!exa->pipe)
 417         XORG_FALLBACK("accle not enabled");
 418
 419     if (!priv || !priv->tex)
 420         XORG_FALLBACK("pDst %s", !priv ? "!priv" : "!priv->tex");
 421
 422     if (!src_priv || !src_priv->tex)
 423         XORG_FALLBACK("pSrc %s", !src_priv ? "!priv" : "!priv->tex");
 424
 425     if (!EXA_PM_IS_SOLID(&pSrcPixmap->drawable, planeMask))
 426         XORG_FALLBACK("planeMask is not solid");
 427
 428     if (alu != GXcopy)
 429         XORG_FALLBACK("alu not GXcopy");
 430
 431     if (!exa->scrn->is_format_supported(exa->scrn, priv->tex->format,
 432                                         priv->tex->target,
 433                                         PIPE_TEXTURE_USAGE_RENDER_TARGET, 0))
 434         XORG_FALLBACK("pDst format %s", pf_name(priv->tex->format));
 435
 436     if (!exa->scrn->is_format_supported(exa->scrn, src_priv->tex->format,
 437                                         src_priv->tex->target,
 438                                         PIPE_TEXTURE_USAGE_SAMPLER, 0))
 439         XORG_FALLBACK("pSrc format %s", pf_name(src_priv->tex->format));
 440
 441     exa->copy.src = src_priv;
 442     exa->copy.dst = priv;
 443
 444     return ACCEL_ENABLED;
 445 }
 446
 447 static void
 448 ExaCopy(PixmapPtr pDstPixmap, int srcX, int srcY, int dstX, int dstY,
 449         int width, int height)
 450 {
 451    ScrnInfoPtr pScrn = xf86Screens[pDstPixmap->drawable.pScreen->myNum];
 452    modesettingPtr ms = modesettingPTR(pScrn);
 453    struct exa_context *exa = ms->exa;
 454    struct exa_pixmap_priv *priv = exaGetPixmapDriverPrivate(pDstPixmap);
 455
 456 #if DEBUG_PRINT
 457    debug_printf("\tExaCopy(srcx=%d, srcy=%d, dstX=%d, dstY=%d, w=%d, h=%d)\n",
 458                 srcX, srcY, dstX, dstY, width, height);
 459 #endif
 460
 461    debug_assert(priv == exa->copy.dst);
 462
 463    renderer_copy_pixmap(exa->renderer, exa->copy.dst, dstX, dstY,
 464                         exa->copy.src, srcX, srcY,
 465                         width, height);
 466 }
 467
 468 static Bool
 469 ExaPrepareComposite(int op, PicturePtr pSrcPicture,
 470                     PicturePtr pMaskPicture, PicturePtr pDstPicture,
 471                     PixmapPtr pSrc, PixmapPtr pMask, PixmapPtr pDst)
 472 {
 473    ScrnInfoPtr pScrn = xf86Screens[pDst->drawable.pScreen->myNum];
 474    modesettingPtr ms = modesettingPTR(pScrn);
 475    struct exa_context *exa = ms->exa;
 476    struct exa_pixmap_priv *priv;
 477
 478 #if DEBUG_PRINT
 479    debug_printf("ExaPrepareComposite(%d, src=0x%p, mask=0x%p, dst=0x%p)\n",
 480                 op, pSrcPicture, pMaskPicture, pDstPicture);
 481    debug_printf("\tFormats: src(%s), mask(%s), dst(%s)\n",
 482                 pSrcPicture ? render_format_name(pSrcPicture->format) : "none",
 483                 pMaskPicture ? render_format_name(pMaskPicture->format) : "none",
 484                 pDstPicture ? render_format_name(pDstPicture->format) : "none");
 485 #endif
 486    if (!exa->pipe)
 487       XORG_FALLBACK("accle not enabled");
 488
 489    priv = exaGetPixmapDriverPrivate(pDst);
 490    if (!priv || !priv->tex)
 491       XORG_FALLBACK("pDst %s", !priv ? "!priv" : "!priv->tex");
 492
 493    if (!exa->scrn->is_format_supported(exa->scrn, priv->tex->format,
 494                                        priv->tex->target,
 495                                        PIPE_TEXTURE_USAGE_RENDER_TARGET, 0))
 496       XORG_FALLBACK("pDst format: %s", pf_name(priv->tex->format));
 497
 498    if (priv->picture_format != pDstPicture->format)
 499       XORG_FALLBACK("pDst pic_format: %s != %s",
 500                     render_format_name(priv->picture_format),
 501                     render_format_name(pDstPicture->format));
 502
 503    if (pSrc) {
 504       priv = exaGetPixmapDriverPrivate(pSrc);
 505       if (!priv || !priv->tex)
 506          XORG_FALLBACK("pSrc %s", !priv ? "!priv" : "!priv->tex");
 507
 508       if (!exa->scrn->is_format_supported(exa->scrn, priv->tex->format,
 509                                           priv->tex->target,
 510                                           PIPE_TEXTURE_USAGE_SAMPLER, 0))
 511          XORG_FALLBACK("pSrc format: %s", pf_name(priv->tex->format));
 512
 513       if (priv->picture_format != pSrcPicture->format)
 514          XORG_FALLBACK("pSrc pic_format: %s != %s",
 515                        render_format_name(priv->picture_format),
 516                        render_format_name(pSrcPicture->format));
 517    }
 518
 519    if (pMask) {
 520       priv = exaGetPixmapDriverPrivate(pMask);
 521       if (!priv || !priv->tex)
 522          XORG_FALLBACK("pMask %s", !priv ? "!priv" : "!priv->tex");
 523
 524       if (!exa->scrn->is_format_supported(exa->scrn, priv->tex->format,
 525                                           priv->tex->target,
 526                                           PIPE_TEXTURE_USAGE_SAMPLER, 0))
 527          XORG_FALLBACK("pMask format: %s", pf_name(priv->tex->format));
 528
 529       if (priv->picture_format != pMaskPicture->format)
 530          XORG_FALLBACK("pMask pic_format: %s != %s",
 531                        render_format_name(priv->picture_format),
 532                        render_format_name(pMaskPicture->format));
 533    }
 534
 535    return ACCEL_ENABLED &&
 536           xorg_composite_bind_state(exa, op, pSrcPicture, pMaskPicture,
 537                                     pDstPicture,
 538                                     pSrc ? exaGetPixmapDriverPrivate(pSrc) : NULL,
 539                                     pMask ? exaGetPixmapDriverPrivate(pMask) : NULL,
 540                                     exaGetPixmapDriverPrivate(pDst));
 541 }
 542
 543 static void
 544 ExaComposite(PixmapPtr pDst, int srcX, int srcY, int maskX, int maskY,
 545              int dstX, int dstY, int width, int height)
 546 {
 547    ScrnInfoPtr pScrn = xf86Screens[pDst->drawable.pScreen->myNum];
 548    modesettingPtr ms = modesettingPTR(pScrn);
 549    struct exa_context *exa = ms->exa;
 550    struct exa_pixmap_priv *priv = exaGetPixmapDriverPrivate(pDst);
 551
 552 #if DEBUG_PRINT
 553    debug_printf("\tExaComposite(src[%d,%d], mask=[%d, %d], dst=[%d, %d], dim=[%d, %d])\n",
 554                 srcX, srcY, maskX, maskY, dstX, dstY, width, height);
 555    debug_printf("\t   Num bound samplers = %d\n",
 556                 exa->num_bound_samplers);
 557 #endif
 558
 559    xorg_composite(exa, priv, srcX, srcY, maskX, maskY,
 560                   dstX, dstY, width, height);
 561 }
 562
 563 static Bool
 564 ExaCheckComposite(int op,
 565                   PicturePtr pSrcPicture, PicturePtr pMaskPicture,
 566                   PicturePtr pDstPicture)
 567 {
 568    boolean accelerated = xorg_composite_accelerated(op,
 569                                                     pSrcPicture,
 570                                                     pMaskPicture,
 571                                                     pDstPicture);
 572 #if DEBUG_PRINT
 573    debug_printf("ExaCheckComposite(%d, %p, %p, %p) = %d\n",
 574                 op, pSrcPicture, pMaskPicture, pDstPicture, accelerated);
 575 #endif
 576    return ACCEL_ENABLED && accelerated;
 577 }
 578
 579 static void *
 580 ExaCreatePixmap(ScreenPtr pScreen, int size, int align)
 581 {
 582     struct exa_pixmap_priv *priv;
 583
 584     priv = xcalloc(1, sizeof(struct exa_pixmap_priv));
 585     if (!priv)
 586         return NULL;
 587
 588     return priv;
 589 }
 590
 591 static void
 592 ExaDestroyPixmap(ScreenPtr pScreen, void *dPriv)
 593 {
 594     struct exa_pixmap_priv *priv = (struct exa_pixmap_priv *)dPriv;
 595
 596     if (!priv)
 597         return;
 598
 599     pipe_texture_reference(&priv->tex, NULL);
 600
 601     xfree(priv);
 602 }
 603
 604 static Bool
 605 ExaPixmapIsOffscreen(PixmapPtr pPixmap)
 606 {
 607     struct exa_pixmap_priv *priv;
 608
 609     priv = exaGetPixmapDriverPrivate(pPixmap);
 610
 611     if (!priv)
 612         return FALSE;
 613
 614     if (priv->tex)
 615         return TRUE;
 616
 617     return FALSE;
 618 }
 619
 620 int
 621 xorg_exa_set_displayed_usage(PixmapPtr pPixmap)
 622 {
 623     struct exa_pixmap_priv *priv;
 624     priv = exaGetPixmapDriverPrivate(pPixmap);
 625
 626     if (!priv) {
 627         FatalError("NO PIXMAP PRIVATE\n");
 628         return 0;
 629     }
 630
 631     priv->flags |= PIPE_TEXTURE_USAGE_PRIMARY;
 632
 633     return 0;
 634 }
 635
 636 int
 637 xorg_exa_set_shared_usage(PixmapPtr pPixmap)
 638 {
 639     struct exa_pixmap_priv *priv;
 640     priv = exaGetPixmapDriverPrivate(pPixmap);
 641
 642     if (!priv) {
 643         FatalError("NO PIXMAP PRIVATE\n");
 644         return 0;
 645     }
 646
 647     priv->flags |= PIPE_TEXTURE_USAGE_DISPLAY_TARGET;
 648
 649     return 0;
 650 }
 651
 652 unsigned
 653 xorg_exa_get_pixmap_handle(PixmapPtr pPixmap, unsigned *stride_out)
 654 {
 655     ScreenPtr pScreen = pPixmap->drawable.pScreen;
 656     ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
 657     modesettingPtr ms = modesettingPTR(pScrn);
 658     struct exa_pixmap_priv *priv;
 659     unsigned handle;
 660     unsigned stride;
 661
 662     if (!ms->exa) {
 663         FatalError("NO MS->EXA\n");
 664         return 0;
 665     }
 666
 667     priv = exaGetPixmapDriverPrivate(pPixmap);
 668
 669     if (!priv) {
 670         FatalError("NO PIXMAP PRIVATE\n");
 671         return 0;
 672     }
 673
 674     ms->api->local_handle_from_texture(ms->api, ms->screen, priv->tex, &stride, &handle);
 675     if (stride_out)
 676         *stride_out = stride;
 677
 678     return handle;
 679 }
 680
 681 static Bool
 682 ExaModifyPixmapHeader(PixmapPtr pPixmap, int width, int height,
 683                       int depth, int bitsPerPixel, int devKind,
 684                       pointer pPixData)
 685 {
 686     ScreenPtr pScreen = pPixmap->drawable.pScreen;
 687     ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
 688     struct exa_pixmap_priv *priv = exaGetPixmapDriverPrivate(pPixmap);
 689     modesettingPtr ms = modesettingPTR(pScrn);
 690     struct exa_context *exa = ms->exa;
 691
 692     if (!priv || pPixData)
 693         return FALSE;
 694
 695     if (depth <= 0)
 696         depth = pPixmap->drawable.depth;
 697
 698     if (bitsPerPixel <= 0)
 699         bitsPerPixel = pPixmap->drawable.bitsPerPixel;
 700
 701     if (width <= 0)
 702         width = pPixmap->drawable.width;
 703
 704     if (height <= 0)
 705         height = pPixmap->drawable.height;
 706
 707     if (width <= 0 || height <= 0 || depth <= 0)
 708         return FALSE;
 709
 710     miModifyPixmapHeader(pPixmap, width, height, depth,
 711                              bitsPerPixel, devKind, NULL);
 712
 713     /* Deal with screen resize */
 714     if (!priv->tex ||
 715         (priv->tex->width[0] != width ||
 716          priv->tex->height[0] != height ||
 717          priv->tex_flags != priv->flags)) {
 718         struct pipe_texture *texture = NULL;
 719         struct pipe_texture template;
 720
 721         memset(&template, 0, sizeof(template));
 722         template.target = PIPE_TEXTURE_2D;
 723         exa_get_pipe_format(depth, &template.format, &bitsPerPixel, &priv->picture_format);
 724         pf_get_block(template.format, &template.block);
 725         template.width[0] = width;
 726         template.height[0] = height;
 727         template.depth[0] = 1;
 728         template.last_level = 0;
 729         template.tex_usage = PIPE_TEXTURE_USAGE_RENDER_TARGET | priv->flags;
 730         priv->tex_flags = priv->flags;
 731         texture = exa->scrn->texture_create(exa->scrn, &template);
 732
 733         if (priv->tex) {
 734             struct pipe_surface *dst_surf;
 735             struct pipe_surface *src_surf;
 736
 737             dst_surf = exa->scrn->get_tex_surface(
 738                 exa->scrn, texture, 0, 0, 0, PIPE_BUFFER_USAGE_GPU_WRITE);
 739             src_surf = xorg_gpu_surface(exa->pipe->screen, priv);
 740         if (exa->pipe->surface_copy) {
 741             exa->pipe->surface_copy(exa->pipe, dst_surf, 0, 0, src_surf,
 742                         0, 0, min(width, texture->width[0]),
 743                         min(height, texture->height[0]));
 744         } else {
 745             util_surface_copy(exa->pipe, FALSE, dst_surf, 0, 0, src_surf,
 746                         0, 0, min(width, texture->width[0]),
 747                         min(height, texture->height[0]));
 748         }
 749             exa->scrn->tex_surface_destroy(dst_surf);
 750             exa->scrn->tex_surface_destroy(src_surf);
 751         }
 752
 753         pipe_texture_reference(&priv->tex, texture);
 754         /* the texture we create has one reference */
 755         pipe_texture_reference(&texture, NULL);
 756     }
 757
 758     return TRUE;
 759 }
 760
 761 struct pipe_texture *
 762 xorg_exa_get_texture(PixmapPtr pPixmap)
 763 {
 764    struct exa_pixmap_priv *priv = exaGetPixmapDriverPrivate(pPixmap);
 765    struct pipe_texture *tex = NULL;
 766    pipe_texture_reference(&tex, priv->tex);
 767    return tex;
 768 }
 769
 770 Bool
 771 xorg_exa_set_texture(PixmapPtr pPixmap, struct  pipe_texture *tex)
 772 {
 773     struct exa_pixmap_priv *priv = exaGetPixmapDriverPrivate(pPixmap);
 774
 775     int mask = PIPE_TEXTURE_USAGE_PRIMARY | PIPE_TEXTURE_USAGE_DISPLAY_TARGET;
 776
 777     if (!priv)
 778         return FALSE;
 779
 780     if (pPixmap->drawable.width != tex->width[0] ||
 781         pPixmap->drawable.height != tex->height[0])
 782         return FALSE;
 783
 784     pipe_texture_reference(&priv->tex, tex);
 785     priv->tex_flags = tex->tex_usage & mask;
 786
 787     return TRUE;
 788 }
 789
 790 struct pipe_texture *
 791 xorg_exa_create_root_texture(ScrnInfoPtr pScrn,
 792                              int width, int height,
 793                              int depth, int bitsPerPixel)
 794 {
 795     modesettingPtr ms = modesettingPTR(pScrn);
 796     struct exa_context *exa = ms->exa;
 797     struct pipe_texture template;
 798     int dummy;
 799
 800     memset(&template, 0, sizeof(template));
 801     template.target = PIPE_TEXTURE_2D;
 802     exa_get_pipe_format(depth, &template.format, &bitsPerPixel, &dummy);
 803     pf_get_block(template.format, &template.block);
 804     template.width[0] = width;
 805     template.height[0] = height;
 806     template.depth[0] = 1;
 807     template.last_level = 0;
 808     template.tex_usage |= PIPE_TEXTURE_USAGE_RENDER_TARGET;
 809     template.tex_usage |= PIPE_TEXTURE_USAGE_PRIMARY;
 810     template.tex_usage |= PIPE_TEXTURE_USAGE_DISPLAY_TARGET;
 811
 812     return exa->scrn->texture_create(exa->scrn, &template);
 813 }
 814
 815 void
 816 xorg_exa_close(ScrnInfoPtr pScrn)
 817 {
 818    modesettingPtr ms = modesettingPTR(pScrn);
 819    struct exa_context *exa = ms->exa;
 820
 821    renderer_destroy(exa->renderer);
 822
 823    if (exa->pipe)
 824       exa->pipe->destroy(exa->pipe);
 825
 826    exaDriverFini(pScrn->pScreen);
 827    xfree(exa);
 828    ms->exa = NULL;
 829 }
 830
 831 void *
 832 xorg_exa_init(ScrnInfoPtr pScrn)
 833 {
 834    modesettingPtr ms = modesettingPTR(pScrn);
 835    struct exa_context *exa;
 836    ExaDriverPtr pExa;
 837
 838    exa = xcalloc(1, sizeof(struct exa_context));
 839    if (!exa)
 840       return NULL;
 841
 842    pExa = exaDriverAlloc();
 843    if (!pExa) {
 844       goto out_err;
 845    }
 846
 847    memset(pExa, 0, sizeof(*pExa));
 848
 849    pExa->exa_major         = 2;
 850    pExa->exa_minor         = 2;
 851    pExa->memoryBase        = 0;
 852    pExa->memorySize        = 0;
 853    pExa->offScreenBase     = 0;
 854    pExa->pixmapOffsetAlign = 0;
 855    pExa->pixmapPitchAlign  = 1;
 856    pExa->flags             = EXA_OFFSCREEN_PIXMAPS | EXA_HANDLES_PIXMAPS;
 857 #ifdef EXA_SUPPORTS_PREPARE_AUX
 858    pExa->flags            |= EXA_SUPPORTS_PREPARE_AUX;
 859 #endif
 860 #ifdef EXA_MIXED_PIXMAPS
 861    pExa->flags            |= EXA_MIXED_PIXMAPS;
 862 #endif
 863    pExa->maxX              = 8191; /* FIXME */
 864    pExa->maxY              = 8191; /* FIXME */
 865
 866    pExa->WaitMarker         = ExaWaitMarker;
 867    pExa->MarkSync           = ExaMarkSync;
 868    pExa->PrepareSolid       = ExaPrepareSolid;
 869    pExa->Solid              = ExaSolid;
 870    pExa->DoneSolid          = ExaDone;
 871    pExa->PrepareCopy        = ExaPrepareCopy;
 872    pExa->Copy               = ExaCopy;
 873    pExa->DoneCopy           = ExaDone;
 874    pExa->CheckComposite     = ExaCheckComposite;
 875    pExa->PrepareComposite   = ExaPrepareComposite;
 876    pExa->Composite          = ExaComposite;
 877    pExa->DoneComposite      = ExaDoneComposite;
 878    pExa->PixmapIsOffscreen  = ExaPixmapIsOffscreen;
 879    pExa->DownloadFromScreen = ExaDownloadFromScreen;
 880    pExa->UploadToScreen     = ExaUploadToScreen;
 881    pExa->PrepareAccess      = ExaPrepareAccess;
 882    pExa->FinishAccess       = ExaFinishAccess;
 883    pExa->CreatePixmap       = ExaCreatePixmap;
 884    pExa->DestroyPixmap      = ExaDestroyPixmap;
 885    pExa->ModifyPixmapHeader = ExaModifyPixmapHeader;
 886
 887    if (!exaDriverInit(pScrn->pScreen, pExa)) {
 888       goto out_err;
 889    }
 890
 891    exa->scrn = ms->screen;
 892    exa->pipe = ms->api->create_context(ms->api, exa->scrn);
 893    /* Share context with DRI */
 894    ms->ctx = exa->pipe;
 895
 896    exa->renderer = renderer_create(exa->pipe);
 897
 898    return (void *)exa;
 899
 900 out_err:
 901    xorg_exa_close(pScrn);
 902
 903    return NULL;
 904 }
 905
 906 struct pipe_surface *
 907 xorg_gpu_surface(struct pipe_screen *scrn, struct exa_pixmap_priv *priv)
 908 {
 909    return scrn->get_tex_surface(scrn, priv->tex, 0, 0, 0,
 910                                 PIPE_BUFFER_USAGE_GPU_READ |
 911                                 PIPE_BUFFER_USAGE_GPU_WRITE);
 912
 913 }
 914
 915 void xorg_exa_flush(struct exa_context *exa, uint pipeFlushFlags,
 916                     struct pipe_fence_handle **fence)
 917 {
 918    exa->pipe->flush(exa->pipe, pipeFlushFlags, fence);
 919 }
 920
 921 void xorg_exa_finish(struct exa_context *exa)
 922 {
 923    struct pipe_fence_handle *fence = NULL;
 924
 925    xorg_exa_flush(exa, PIPE_FLUSH_RENDER_CACHE, &fence);
 926
 927    exa->pipe->screen->fence_finish(exa->pipe->screen, fence, 0);
 928    exa->pipe->screen->fence_reference(exa->pipe->screen, &fence, NULL);
 929 }
 930