1 /************************************************************************** 2 * 3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. 4 * All Rights Reserved. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sub license, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial portions 16 * of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR 22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25 * 26 **************************************************************************/ 27 28 #include "main/mfeatures.h" 29 #include "main/bufferobj.h" 30 #include "main/enums.h" 31 #include "main/fbobject.h" 32 #include "main/formats.h" 33 #include "main/image.h" 34 #include "main/imports.h" 35 #include "main/macros.h" 36 #include "main/mipmap.h" 37 #include "main/pack.h" 38 #include "main/pbo.h" 39 #include "main/pixeltransfer.h" 40 #include "main/texcompress.h" 41 #include "main/texgetimage.h" 42 #include "main/teximage.h" 43 #include "main/texobj.h" 44 #include "main/texstore.h" 45 46 #include "state_tracker/st_debug.h" 47 #include "state_tracker/st_context.h" 48 #include "state_tracker/st_cb_fbo.h" 49 #include "state_tracker/st_cb_flush.h" 50 #include "state_tracker/st_cb_texture.h" 51 #include "state_tracker/st_format.h" 52 #include "state_tracker/st_texture.h" 53 #include "state_tracker/st_gen_mipmap.h" 54 #include "state_tracker/st_atom.h" 55 56 #include "pipe/p_context.h" 57 #include "pipe/p_defines.h" 58 #include "util/u_inlines.h" 59 #include "pipe/p_shader_tokens.h" 60 #include "util/u_tile.h" 61 #include "util/u_blit.h" 62 #include "util/u_format.h" 63 #include "util/u_surface.h" 64 #include "util/u_sampler.h" 65 #include "util/u_math.h" 66 #include "util/u_box.h" 67 68 #define DBG if (0) printf 69 70 71 static enum pipe_texture_target 72 gl_target_to_pipe(GLenum target) 73 { 74 switch (target) { 75 case GL_TEXTURE_1D: 76 return PIPE_TEXTURE_1D; 77 case GL_TEXTURE_2D: 78 case GL_TEXTURE_EXTERNAL_OES: 79 return PIPE_TEXTURE_2D; 80 case GL_TEXTURE_RECTANGLE_NV: 81 return PIPE_TEXTURE_RECT; 82 case GL_TEXTURE_3D: 83 return PIPE_TEXTURE_3D; 84 case GL_TEXTURE_CUBE_MAP_ARB: 85 return PIPE_TEXTURE_CUBE; 86 case GL_TEXTURE_1D_ARRAY_EXT: 87 return PIPE_TEXTURE_1D_ARRAY; 88 case GL_TEXTURE_2D_ARRAY_EXT: 89 return PIPE_TEXTURE_2D_ARRAY; 90 case GL_TEXTURE_BUFFER: 91 return PIPE_BUFFER; 92 default: 93 assert(0); 94 return 0; 95 } 96 } 97 98 99 /** called via ctx->Driver.NewTextureImage() */ 100 static struct gl_texture_image * 101 st_NewTextureImage(struct gl_context * ctx) 102 { 103 DBG("%s\n", __FUNCTION__); 104 (void) ctx; 105 return (struct gl_texture_image *) ST_CALLOC_STRUCT(st_texture_image); 106 } 107 108 109 /** called via ctx->Driver.DeleteTextureImage() */ 110 static void 111 st_DeleteTextureImage(struct gl_context * ctx, struct gl_texture_image *img) 112 { 113 /* nothing special (yet) for st_texture_image */ 114 _mesa_delete_texture_image(ctx, img); 115 } 116 117 118 /** called via ctx->Driver.NewTextureObject() */ 119 static struct gl_texture_object * 120 st_NewTextureObject(struct gl_context * ctx, GLuint name, GLenum target) 121 { 122 struct st_texture_object *obj = ST_CALLOC_STRUCT(st_texture_object); 123 124 DBG("%s\n", __FUNCTION__); 125 _mesa_initialize_texture_object(&obj->base, name, target); 126 127 return &obj->base; 128 } 129 130 /** called via ctx->Driver.DeleteTextureObject() */ 131 static void 132 st_DeleteTextureObject(struct gl_context *ctx, 133 struct gl_texture_object *texObj) 134 { 135 struct st_context *st = st_context(ctx); 136 struct st_texture_object *stObj = st_texture_object(texObj); 137 if (stObj->pt) 138 pipe_resource_reference(&stObj->pt, NULL); 139 if (stObj->sampler_view) { 140 pipe_sampler_view_release(st->pipe, &stObj->sampler_view); 141 } 142 _mesa_delete_texture_object(ctx, texObj); 143 } 144 145 146 /** called via ctx->Driver.FreeTextureImageBuffer() */ 147 static void 148 st_FreeTextureImageBuffer(struct gl_context *ctx, 149 struct gl_texture_image *texImage) 150 { 151 struct st_texture_image *stImage = st_texture_image(texImage); 152 153 DBG("%s\n", __FUNCTION__); 154 155 if (stImage->pt) { 156 pipe_resource_reference(&stImage->pt, NULL); 157 } 158 159 if (stImage->TexData) { 160 _mesa_align_free(stImage->TexData); 161 stImage->TexData = NULL; 162 } 163 } 164 165 166 /** called via ctx->Driver.MapTextureImage() */ 167 static void 168 st_MapTextureImage(struct gl_context *ctx, 169 struct gl_texture_image *texImage, 170 GLuint slice, GLuint x, GLuint y, GLuint w, GLuint h, 171 GLbitfield mode, 172 GLubyte **mapOut, GLint *rowStrideOut) 173 { 174 struct st_context *st = st_context(ctx); 175 struct st_texture_image *stImage = st_texture_image(texImage); 176 unsigned pipeMode; 177 GLubyte *map; 178 179 pipeMode = 0x0; 180 if (mode & GL_MAP_READ_BIT) 181 pipeMode |= PIPE_TRANSFER_READ; 182 if (mode & GL_MAP_WRITE_BIT) 183 pipeMode |= PIPE_TRANSFER_WRITE; 184 if (mode & GL_MAP_INVALIDATE_RANGE_BIT) 185 pipeMode |= PIPE_TRANSFER_DISCARD_RANGE; 186 187 map = st_texture_image_map(st, stImage, slice, pipeMode, x, y, w, h); 188 if (map) { 189 *mapOut = map; 190 *rowStrideOut = stImage->transfer->stride; 191 } 192 else { 193 *mapOut = NULL; 194 *rowStrideOut = 0; 195 } 196 } 197 198 199 /** called via ctx->Driver.UnmapTextureImage() */ 200 static void 201 st_UnmapTextureImage(struct gl_context *ctx, 202 struct gl_texture_image *texImage, 203 GLuint slice) 204 { 205 struct st_context *st = st_context(ctx); 206 struct st_texture_image *stImage = st_texture_image(texImage); 207 st_texture_image_unmap(st, stImage); 208 } 209 210 211 /** 212 * Return default texture resource binding bitmask for the given format. 213 */ 214 static GLuint 215 default_bindings(struct st_context *st, enum pipe_format format) 216 { 217 struct pipe_screen *screen = st->pipe->screen; 218 const unsigned target = PIPE_TEXTURE_2D; 219 unsigned bindings; 220 221 if (util_format_is_depth_or_stencil(format)) 222 bindings = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_DEPTH_STENCIL; 223 else 224 bindings = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET; 225 226 if (screen->is_format_supported(screen, format, target, 0, bindings)) 227 return bindings; 228 else { 229 /* Try non-sRGB. */ 230 format = util_format_linear(format); 231 232 if (screen->is_format_supported(screen, format, target, 0, bindings)) 233 return bindings; 234 else 235 return PIPE_BIND_SAMPLER_VIEW; 236 } 237 } 238 239 240 /** 241 * Given the size of a mipmap image, try to compute the size of the level=0 242 * mipmap image. 243 * 244 * Note that this isn't always accurate for odd-sized, non-POW textures. 245 * For example, if level=1 and width=40 then the level=0 width may be 80 or 81. 246 * 247 * \return GL_TRUE for success, GL_FALSE for failure 248 */ 249 static GLboolean 250 guess_base_level_size(GLenum target, 251 GLuint width, GLuint height, GLuint depth, GLuint level, 252 GLuint *width0, GLuint *height0, GLuint *depth0) 253 { 254 assert(width >= 1); 255 assert(height >= 1); 256 assert(depth >= 1); 257 258 if (level > 0) { 259 /* Guess the size of the base level. 260 * Depending on the image's size, we can't always make a guess here. 261 */ 262 switch (target) { 263 case GL_TEXTURE_1D: 264 case GL_TEXTURE_1D_ARRAY: 265 width <<= level; 266 break; 267 268 case GL_TEXTURE_2D: 269 case GL_TEXTURE_2D_ARRAY: 270 /* We can't make a good guess here, because the base level dimensions 271 * can be non-square. 272 */ 273 if (width == 1 || height == 1) { 274 return GL_FALSE; 275 } 276 width <<= level; 277 height <<= level; 278 break; 279 280 case GL_TEXTURE_CUBE_MAP: 281 case GL_TEXTURE_CUBE_MAP_ARRAY: 282 width <<= level; 283 height <<= level; 284 break; 285 286 case GL_TEXTURE_3D: 287 /* We can't make a good guess here, because the base level dimensions 288 * can be non-cube. 289 */ 290 if (width == 1 || height == 1 || depth == 1) { 291 return GL_FALSE; 292 } 293 width <<= level; 294 height <<= level; 295 depth <<= level; 296 break; 297 298 case GL_TEXTURE_RECTANGLE: 299 break; 300 301 default: 302 assert(0); 303 } 304 } 305 306 *width0 = width; 307 *height0 = height; 308 *depth0 = depth; 309 310 return GL_TRUE; 311 } 312 313 314 /** 315 * Try to allocate a pipe_resource object for the given st_texture_object. 316 * 317 * We use the given st_texture_image as a clue to determine the size of the 318 * mipmap image at level=0. 319 * 320 * \return GL_TRUE for success, GL_FALSE if out of memory. 321 */ 322 static GLboolean 323 guess_and_alloc_texture(struct st_context *st, 324 struct st_texture_object *stObj, 325 const struct st_texture_image *stImage) 326 { 327 GLuint lastLevel, width, height, depth; 328 GLuint bindings; 329 GLuint ptWidth, ptHeight, ptDepth, ptLayers; 330 enum pipe_format fmt; 331 332 DBG("%s\n", __FUNCTION__); 333 334 assert(!stObj->pt); 335 336 if (!guess_base_level_size(stObj->base.Target, 337 stImage->base.Width2, 338 stImage->base.Height2, 339 stImage->base.Depth2, 340 stImage->base.Level, 341 &width, &height, &depth)) { 342 /* we can't determine the image size at level=0 */ 343 stObj->width0 = stObj->height0 = stObj->depth0 = 0; 344 /* this is not an out of memory error */ 345 return GL_TRUE; 346 } 347 348 /* At this point, (width x height x depth) is the expected size of 349 * the level=0 mipmap image. 350 */ 351 352 /* Guess a reasonable value for lastLevel. With OpenGL we have no 353 * idea how many mipmap levels will be in a texture until we start 354 * to render with it. Make an educated guess here but be prepared 355 * to re-allocating a texture buffer with space for more (or fewer) 356 * mipmap levels later. 357 */ 358 if ((stObj->base.Sampler.MinFilter == GL_NEAREST || 359 stObj->base.Sampler.MinFilter == GL_LINEAR || 360 stImage->base._BaseFormat == GL_DEPTH_COMPONENT || 361 stImage->base._BaseFormat == GL_DEPTH_STENCIL_EXT) && 362 !stObj->base.GenerateMipmap && 363 stImage->base.Level == 0) { 364 /* only alloc space for a single mipmap level */ 365 lastLevel = 0; 366 } 367 else { 368 /* alloc space for a full mipmap */ 369 lastLevel = _mesa_get_tex_max_num_levels(stObj->base.Target, 370 width, height, depth) - 1; 371 } 372 373 /* Save the level=0 dimensions */ 374 stObj->width0 = width; 375 stObj->height0 = height; 376 stObj->depth0 = depth; 377 378 fmt = st_mesa_format_to_pipe_format(stImage->base.TexFormat); 379 380 bindings = default_bindings(st, fmt); 381 382 st_gl_texture_dims_to_pipe_dims(stObj->base.Target, 383 width, height, depth, 384 &ptWidth, &ptHeight, &ptDepth, &ptLayers); 385 386 stObj->pt = st_texture_create(st, 387 gl_target_to_pipe(stObj->base.Target), 388 fmt, 389 lastLevel, 390 ptWidth, 391 ptHeight, 392 ptDepth, 393 ptLayers, 394 bindings); 395 396 stObj->lastLevel = lastLevel; 397 398 DBG("%s returning %d\n", __FUNCTION__, (stObj->pt != NULL)); 399 400 return stObj->pt != NULL; 401 } 402 403 404 /** 405 * Called via ctx->Driver.AllocTextureImageBuffer(). 406 * If the texture object/buffer already has space for the indicated image, 407 * we're done. Otherwise, allocate memory for the new texture image. 408 */ 409 static GLboolean 410 st_AllocTextureImageBuffer(struct gl_context *ctx, 411 struct gl_texture_image *texImage) 412 { 413 struct st_context *st = st_context(ctx); 414 struct st_texture_image *stImage = st_texture_image(texImage); 415 struct st_texture_object *stObj = st_texture_object(texImage->TexObject); 416 const GLuint level = texImage->Level; 417 GLuint width = texImage->Width; 418 GLuint height = texImage->Height; 419 GLuint depth = texImage->Depth; 420 421 DBG("%s\n", __FUNCTION__); 422 423 assert(!stImage->TexData); 424 assert(!stImage->pt); /* xxx this might be wrong */ 425 426 /* Look if the parent texture object has space for this image */ 427 if (stObj->pt && 428 level <= stObj->pt->last_level && 429 st_texture_match_image(stObj->pt, texImage)) { 430 /* this image will fit in the existing texture object's memory */ 431 pipe_resource_reference(&stImage->pt, stObj->pt); 432 return GL_TRUE; 433 } 434 435 /* The parent texture object does not have space for this image */ 436 437 pipe_resource_reference(&stObj->pt, NULL); 438 pipe_sampler_view_release(st->pipe, &stObj->sampler_view); 439 440 if (!guess_and_alloc_texture(st, stObj, stImage)) { 441 /* Probably out of memory. 442 * Try flushing any pending rendering, then retry. 443 */ 444 st_finish(st); 445 if (!guess_and_alloc_texture(st, stObj, stImage)) { 446 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage"); 447 return GL_FALSE; 448 } 449 } 450 451 if (stObj->pt && 452 st_texture_match_image(stObj->pt, texImage)) { 453 /* The image will live in the object's mipmap memory */ 454 pipe_resource_reference(&stImage->pt, stObj->pt); 455 assert(stImage->pt); 456 return GL_TRUE; 457 } 458 else { 459 /* Create a new, temporary texture/resource/buffer to hold this 460 * one texture image. Note that when we later access this image 461 * (either for mapping or copying) we'll want to always specify 462 * mipmap level=0, even if the image represents some other mipmap 463 * level. 464 */ 465 enum pipe_format format = 466 st_mesa_format_to_pipe_format(texImage->TexFormat); 467 GLuint bindings = default_bindings(st, format); 468 GLuint ptWidth, ptHeight, ptDepth, ptLayers; 469 470 st_gl_texture_dims_to_pipe_dims(stObj->base.Target, 471 width, height, depth, 472 &ptWidth, &ptHeight, &ptDepth, &ptLayers); 473 474 stImage->pt = st_texture_create(st, 475 gl_target_to_pipe(stObj->base.Target), 476 format, 477 0, /* lastLevel */ 478 ptWidth, 479 ptHeight, 480 ptDepth, 481 ptLayers, 482 bindings); 483 return stImage->pt != NULL; 484 } 485 } 486 487 488 /** 489 * Preparation prior to glTexImage. Basically check the 'surface_based' 490 * field and switch to a "normal" tex image if necessary. 491 */ 492 static void 493 prep_teximage(struct gl_context *ctx, struct gl_texture_image *texImage, 494 GLenum format, GLenum type) 495 { 496 struct gl_texture_object *texObj = texImage->TexObject; 497 struct st_texture_object *stObj = st_texture_object(texObj); 498 499 /* switch to "normal" */ 500 if (stObj->surface_based) { 501 const GLenum target = texObj->Target; 502 const GLuint level = texImage->Level; 503 gl_format texFormat; 504 505 _mesa_clear_texture_object(ctx, texObj); 506 pipe_resource_reference(&stObj->pt, NULL); 507 508 /* oops, need to init this image again */ 509 texFormat = _mesa_choose_texture_format(ctx, texObj, target, level, 510 texImage->InternalFormat, format, 511 type); 512 513 _mesa_init_teximage_fields(ctx, texImage, 514 texImage->Width, texImage->Height, 515 texImage->Depth, texImage->Border, 516 texImage->InternalFormat, texFormat); 517 518 stObj->surface_based = GL_FALSE; 519 } 520 } 521 522 523 static void 524 st_TexImage(struct gl_context * ctx, GLuint dims, 525 struct gl_texture_image *texImage, 526 GLenum format, GLenum type, const void *pixels, 527 const struct gl_pixelstore_attrib *unpack) 528 { 529 prep_teximage(ctx, texImage, format, type); 530 _mesa_store_teximage(ctx, dims, texImage, format, type, pixels, unpack); 531 } 532 533 534 static void 535 st_CompressedTexImage(struct gl_context *ctx, GLuint dims, 536 struct gl_texture_image *texImage, 537 GLsizei imageSize, const GLvoid *data) 538 { 539 prep_teximage(ctx, texImage, GL_NONE, GL_NONE); 540 _mesa_store_compressed_teximage(ctx, dims, texImage, imageSize, data); 541 } 542 543 544 545 /** 546 * glGetTexImage() helper: decompress a compressed texture by rendering 547 * a textured quad. Store the results in the user's buffer. 548 */ 549 static void 550 decompress_with_blit(struct gl_context * ctx, 551 GLenum format, GLenum type, GLvoid *pixels, 552 struct gl_texture_image *texImage) 553 { 554 struct st_context *st = st_context(ctx); 555 struct pipe_context *pipe = st->pipe; 556 struct st_texture_image *stImage = st_texture_image(texImage); 557 struct st_texture_object *stObj = st_texture_object(texImage->TexObject); 558 struct pipe_sampler_view *src_view; 559 const GLuint width = texImage->Width; 560 const GLuint height = texImage->Height; 561 struct pipe_surface *dst_surface; 562 struct pipe_resource *dst_texture; 563 struct pipe_transfer *tex_xfer; 564 unsigned bind = (PIPE_BIND_RENDER_TARGET | /* util_blit may choose to render */ 565 PIPE_BIND_TRANSFER_READ); 566 567 /* create temp / dest surface */ 568 if (!util_create_rgba_surface(pipe, width, height, bind, 569 &dst_texture, &dst_surface)) { 570 _mesa_problem(ctx, "util_create_rgba_surface() failed " 571 "in decompress_with_blit()"); 572 return; 573 } 574 575 /* Disable conditional rendering. */ 576 if (st->render_condition) { 577 pipe->render_condition(pipe, NULL, 0); 578 } 579 580 /* Create sampler view that limits fetches to the source mipmap level */ 581 { 582 struct pipe_sampler_view sv_temp; 583 584 u_sampler_view_default_template(&sv_temp, stObj->pt, stObj->pt->format); 585 586 sv_temp.format = util_format_linear(sv_temp.format); 587 sv_temp.u.tex.first_level = 588 sv_temp.u.tex.last_level = texImage->Level; 589 590 src_view = pipe->create_sampler_view(pipe, stObj->pt, &sv_temp); 591 if (!src_view) { 592 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glGetTexImage"); 593 return; 594 } 595 } 596 597 /* blit/render/decompress */ 598 util_blit_pixels_tex(st->blit, 599 src_view, /* pipe_resource (src) */ 600 0, 0, /* src x0, y0 */ 601 width, height, /* src x1, y1 */ 602 dst_surface, /* pipe_surface (dst) */ 603 0, 0, /* dst x0, y0 */ 604 width, height, /* dst x1, y1 */ 605 0.0, /* z */ 606 PIPE_TEX_MIPFILTER_NEAREST); 607 608 /* Restore conditional rendering state. */ 609 if (st->render_condition) { 610 pipe->render_condition(pipe, st->render_condition, 611 st->condition_mode); 612 } 613 614 /* map the dst_surface so we can read from it */ 615 tex_xfer = pipe_get_transfer(pipe, 616 dst_texture, 0, 0, 617 PIPE_TRANSFER_READ, 618 0, 0, width, height); 619 620 pixels = _mesa_map_pbo_dest(ctx, &ctx->Pack, pixels); 621 622 /* copy/pack data into user buffer */ 623 if (_mesa_format_matches_format_and_type(stImage->base.TexFormat, 624 format, type, 625 ctx->Pack.SwapBytes)) { 626 /* memcpy */ 627 const uint bytesPerRow = width * util_format_get_blocksize(stImage->pt->format); 628 ubyte *map = pipe_transfer_map(pipe, tex_xfer); 629 GLuint row; 630 for (row = 0; row < height; row++) { 631 GLvoid *dest = _mesa_image_address2d(&ctx->Pack, pixels, width, 632 height, format, type, row, 0); 633 memcpy(dest, map, bytesPerRow); 634 map += tex_xfer->stride; 635 } 636 pipe_transfer_unmap(pipe, tex_xfer); 637 } 638 else { 639 /* format translation via floats */ 640 GLuint row; 641 enum pipe_format pformat = util_format_linear(dst_texture->format); 642 GLfloat *rgba; 643 644 rgba = (GLfloat *) malloc(width * 4 * sizeof(GLfloat)); 645 if (!rgba) { 646 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glGetTexImage()"); 647 goto end; 648 } 649 650 for (row = 0; row < height; row++) { 651 const GLbitfield transferOps = 0x0; /* bypassed for glGetTexImage() */ 652 GLvoid *dest = _mesa_image_address2d(&ctx->Pack, pixels, width, 653 height, format, type, row, 0); 654 655 if (ST_DEBUG & DEBUG_FALLBACK) 656 debug_printf("%s: fallback format translation\n", __FUNCTION__); 657 658 /* get float[4] rgba row from surface */ 659 pipe_get_tile_rgba_format(pipe, tex_xfer, 0, row, width, 1, 660 pformat, rgba); 661 662 _mesa_pack_rgba_span_float(ctx, width, (GLfloat (*)[4]) rgba, format, 663 type, dest, &ctx->Pack, transferOps); 664 } 665 666 free(rgba); 667 } 668 669 end: 670 _mesa_unmap_pbo_dest(ctx, &ctx->Pack); 671 672 pipe->transfer_destroy(pipe, tex_xfer); 673 674 /* destroy the temp / dest surface */ 675 util_destroy_rgba_surface(dst_texture, dst_surface); 676 677 pipe_sampler_view_release(pipe, &src_view); 678 } 679 680 681 682 /** 683 * Called via ctx->Driver.GetTexImage() 684 */ 685 static void 686 st_GetTexImage(struct gl_context * ctx, 687 GLenum format, GLenum type, GLvoid * pixels, 688 struct gl_texture_image *texImage) 689 { 690 struct st_texture_image *stImage = st_texture_image(texImage); 691 692 if (stImage->pt && util_format_is_s3tc(stImage->pt->format)) { 693 /* Need to decompress the texture. 694 * We'll do this by rendering a textured quad (which is hopefully 695 * faster than using the fallback code in texcompress.c). 696 * Note that we only expect RGBA formats (no Z/depth formats). 697 */ 698 decompress_with_blit(ctx, format, type, pixels, texImage); 699 } 700 else { 701 _mesa_get_teximage(ctx, format, type, pixels, texImage); 702 } 703 } 704 705 706 /** 707 * Do a CopyTexSubImage operation using a read transfer from the source, 708 * a write transfer to the destination and get_tile()/put_tile() to access 709 * the pixels/texels. 710 * 711 * Note: srcY=0=TOP of renderbuffer 712 */ 713 static void 714 fallback_copy_texsubimage(struct gl_context *ctx, 715 struct st_renderbuffer *strb, 716 struct st_texture_image *stImage, 717 GLenum baseFormat, 718 GLint destX, GLint destY, GLint destZ, 719 GLint srcX, GLint srcY, 720 GLsizei width, GLsizei height) 721 { 722 struct st_context *st = st_context(ctx); 723 struct pipe_context *pipe = st->pipe; 724 struct pipe_transfer *src_trans; 725 GLvoid *texDest; 726 enum pipe_transfer_usage transfer_usage; 727 728 if (ST_DEBUG & DEBUG_FALLBACK) 729 debug_printf("%s: fallback processing\n", __FUNCTION__); 730 731 if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) { 732 srcY = strb->Base.Height - srcY - height; 733 } 734 735 src_trans = pipe_get_transfer(pipe, 736 strb->texture, 737 strb->rtt_level, 738 strb->rtt_face + strb->rtt_slice, 739 PIPE_TRANSFER_READ, 740 srcX, srcY, 741 width, height); 742 743 if ((baseFormat == GL_DEPTH_COMPONENT || 744 baseFormat == GL_DEPTH_STENCIL) && 745 util_format_is_depth_and_stencil(stImage->pt->format)) 746 transfer_usage = PIPE_TRANSFER_READ_WRITE; 747 else 748 transfer_usage = PIPE_TRANSFER_WRITE; 749 750 /* XXX this used to ignore destZ param */ 751 texDest = st_texture_image_map(st, stImage, destZ, transfer_usage, 752 destX, destY, width, height); 753 754 if (baseFormat == GL_DEPTH_COMPONENT || 755 baseFormat == GL_DEPTH_STENCIL) { 756 const GLboolean scaleOrBias = (ctx->Pixel.DepthScale != 1.0F || 757 ctx->Pixel.DepthBias != 0.0F); 758 GLint row, yStep; 759 uint *data; 760 761 /* determine bottom-to-top vs. top-to-bottom order for src buffer */ 762 if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) { 763 srcY = height - 1; 764 yStep = -1; 765 } 766 else { 767 srcY = 0; 768 yStep = 1; 769 } 770 771 data = (uint *) malloc(width * sizeof(uint)); 772 773 if (data) { 774 /* To avoid a large temp memory allocation, do copy row by row */ 775 for (row = 0; row < height; row++, srcY += yStep) { 776 pipe_get_tile_z(pipe, src_trans, 0, srcY, width, 1, data); 777 if (scaleOrBias) { 778 _mesa_scale_and_bias_depth_uint(ctx, width, data); 779 } 780 pipe_put_tile_z(pipe, stImage->transfer, 0, row, width, 1, data); 781 } 782 } 783 else { 784 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexSubImage()"); 785 } 786 787 free(data); 788 } 789 else { 790 /* RGBA format */ 791 GLfloat *tempSrc = 792 (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat)); 793 794 if (tempSrc && texDest) { 795 const GLint dims = 2; 796 const GLint dstRowStride = stImage->transfer->stride; 797 struct gl_texture_image *texImage = &stImage->base; 798 struct gl_pixelstore_attrib unpack = ctx->DefaultPacking; 799 800 if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) { 801 unpack.Invert = GL_TRUE; 802 } 803 804 /* get float/RGBA image from framebuffer */ 805 /* XXX this usually involves a lot of int/float conversion. 806 * try to avoid that someday. 807 */ 808 pipe_get_tile_rgba_format(pipe, src_trans, 0, 0, width, height, 809 util_format_linear(strb->texture->format), 810 tempSrc); 811 812 /* Store into texture memory. 813 * Note that this does some special things such as pixel transfer 814 * ops and format conversion. In particular, if the dest tex format 815 * is actually RGBA but the user created the texture as GL_RGB we 816 * need to fill-in/override the alpha channel with 1.0. 817 */ 818 _mesa_texstore(ctx, dims, 819 texImage->_BaseFormat, 820 texImage->TexFormat, 821 dstRowStride, 822 (GLubyte **) &texDest, 823 width, height, 1, 824 GL_RGBA, GL_FLOAT, tempSrc, /* src */ 825 &unpack); 826 } 827 else { 828 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage"); 829 } 830 831 if (tempSrc) 832 free(tempSrc); 833 } 834 835 st_texture_image_unmap(st, stImage); 836 pipe->transfer_destroy(pipe, src_trans); 837 } 838 839 840 841 /** 842 * If the format of the src renderbuffer and the format of the dest 843 * texture are compatible (in terms of blitting), return a TGSI writemask 844 * to be used during the blit. 845 * If the src/dest are incompatible, return 0. 846 */ 847 static unsigned 848 compatible_src_dst_formats(struct gl_context *ctx, 849 const struct gl_renderbuffer *src, 850 const struct gl_texture_image *dst) 851 { 852 /* Get logical base formats for the src and dest. 853 * That is, use the user-requested formats and not the actual, device- 854 * chosen formats. 855 * For example, the user may have requested an A8 texture but the 856 * driver may actually be using an RGBA texture format. When we 857 * copy/blit to that texture, we only want to copy the Alpha channel 858 * and not the RGB channels. 859 * 860 * Similarly, when the src FBO was created an RGB format may have been 861 * requested but the driver actually chose an RGBA format. In that case, 862 * we don't want to copy the undefined Alpha channel to the dest texture 863 * (it should be 1.0). 864 */ 865 const GLenum srcFormat = _mesa_base_fbo_format(ctx, src->InternalFormat); 866 const GLenum dstFormat = _mesa_base_tex_format(ctx, dst->InternalFormat); 867 868 /** 869 * XXX when we have red-only and red/green renderbuffers we'll need 870 * to add more cases here (or implement a general-purpose routine that 871 * queries the existance of the R,G,B,A channels in the src and dest). 872 */ 873 if (srcFormat == dstFormat) { 874 /* This is the same as matching_base_formats, which should 875 * always pass, as it did previously. 876 */ 877 return TGSI_WRITEMASK_XYZW; 878 } 879 else if (srcFormat == GL_RGB && dstFormat == GL_RGBA) { 880 /* Make sure that A in the dest is 1. The actual src format 881 * may be RGBA and have undefined A values. 882 */ 883 return TGSI_WRITEMASK_XYZ; 884 } 885 else if (srcFormat == GL_RGBA && dstFormat == GL_RGB) { 886 /* Make sure that A in the dest is 1. The actual dst format 887 * may be RGBA and will need A=1 to provide proper alpha values 888 * when sampled later. 889 */ 890 return TGSI_WRITEMASK_XYZ; 891 } 892 else { 893 if (ST_DEBUG & DEBUG_FALLBACK) 894 debug_printf("%s failed for src %s, dst %s\n", 895 __FUNCTION__, 896 _mesa_lookup_enum_by_nr(srcFormat), 897 _mesa_lookup_enum_by_nr(dstFormat)); 898 899 /* Otherwise fail. 900 */ 901 return 0; 902 } 903 } 904 905 906 907 /** 908 * Do a CopyTex[Sub]Image1/2/3D() using a hardware (blit) path if possible. 909 * Note that the region to copy has already been clipped so we know we 910 * won't read from outside the source renderbuffer's bounds. 911 * 912 * Note: srcY=0=Bottom of renderbuffer (GL convention) 913 */ 914 static void 915 st_CopyTexSubImage(struct gl_context *ctx, GLuint dims, 916 struct gl_texture_image *texImage, 917 GLint destX, GLint destY, GLint destZ, 918 struct gl_renderbuffer *rb, 919 GLint srcX, GLint srcY, GLsizei width, GLsizei height) 920 { 921 struct st_texture_image *stImage = st_texture_image(texImage); 922 const GLenum texBaseFormat = texImage->_BaseFormat; 923 struct gl_framebuffer *fb = ctx->ReadBuffer; 924 struct st_renderbuffer *strb; 925 struct st_context *st = st_context(ctx); 926 struct pipe_context *pipe = st->pipe; 927 struct pipe_screen *screen = pipe->screen; 928 enum pipe_format dest_format, src_format; 929 GLboolean matching_base_formats; 930 GLuint color_writemask, zs_writemask, sample_count; 931 struct pipe_surface *dest_surface = NULL; 932 GLboolean do_flip = (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP); 933 struct pipe_surface surf_tmpl; 934 unsigned int dst_usage; 935 GLint srcY0, srcY1; 936 937 /* make sure finalize_textures has been called? 938 */ 939 if (0) st_validate_state(st); 940 941 /* determine if copying depth or color data */ 942 if (texBaseFormat == GL_DEPTH_COMPONENT || 943 texBaseFormat == GL_DEPTH_STENCIL) { 944 strb = st_renderbuffer(fb->Attachment[BUFFER_DEPTH].Renderbuffer); 945 } 946 else { 947 /* texBaseFormat == GL_RGB, GL_RGBA, GL_ALPHA, etc */ 948 strb = st_renderbuffer(fb->_ColorReadBuffer); 949 } 950 951 if (!strb || !strb->surface || !stImage->pt) { 952 debug_printf("%s: null strb or stImage\n", __FUNCTION__); 953 return; 954 } 955 956 sample_count = strb->surface->texture->nr_samples; 957 /* I believe this would be legal, presumably would need to do a resolve 958 for color, and for depth/stencil spec says to just use one of the 959 depth/stencil samples per pixel? Need some transfer clarifications. */ 960 assert(sample_count < 2); 961 962 assert(strb); 963 assert(strb->surface); 964 assert(stImage->pt); 965 966 src_format = strb->surface->format; 967 dest_format = stImage->pt->format; 968 969 /* 970 * Determine if the src framebuffer and dest texture have the same 971 * base format. We need this to detect a case such as the framebuffer 972 * being GL_RGBA but the texture being GL_RGB. If the actual hardware 973 * texture format stores RGBA we need to set A=1 (overriding the 974 * framebuffer's alpha values). We can't do that with the blit or 975 * textured-quad paths. 976 */ 977 matching_base_formats = 978 (_mesa_get_format_base_format(strb->Base.Format) == 979 _mesa_get_format_base_format(texImage->TexFormat)); 980 981 if (ctx->_ImageTransferState) { 982 goto fallback; 983 } 984 985 if (texImage->TexObject->Target == GL_TEXTURE_1D_ARRAY) { 986 /* 1D arrays might be thought of as 2D images but the actual layout 987 * might not be that way. At some points, we convert OpenGL's 1D 988 * array 'height' into gallium 'layers' and that prevents the blit 989 * utility code from doing the right thing. Simpy use the memcpy-based 990 * fallback. 991 */ 992 goto fallback; 993 } 994 995 if (matching_base_formats && 996 src_format == dest_format && 997 !do_flip) { 998 /* use surface_copy() / blit */ 999 struct pipe_box src_box; 1000 unsigned dstLevel; 1001 1002 u_box_2d_zslice(srcX, srcY, strb->surface->u.tex.first_layer, 1003 width, height, &src_box); 1004 1005 /* If stImage->pt is an independent image (not a pointer into a full 1006 * mipmap) stImage->pt.last_level will be zero and we need to use that 1007 * as the dest level. 1008 */ 1009 dstLevel = MIN2(stImage->base.Level, stImage->pt->last_level); 1010 1011 /* for resource_copy_region(), y=0=top, always */ 1012 pipe->resource_copy_region(pipe, 1013 /* dest */ 1014 stImage->pt, 1015 dstLevel, 1016 destX, destY, destZ + stImage->base.Face, 1017 /* src */ 1018 strb->texture, 1019 strb->surface->u.tex.level, 1020 &src_box); 1021 return; 1022 } 1023 1024 if (texBaseFormat == GL_DEPTH_STENCIL) { 1025 goto fallback; 1026 } 1027 1028 if (texBaseFormat == GL_DEPTH_COMPONENT) { 1029 color_writemask = 0; 1030 zs_writemask = BLIT_WRITEMASK_Z; 1031 dst_usage = PIPE_BIND_DEPTH_STENCIL; 1032 } 1033 else { 1034 color_writemask = compatible_src_dst_formats(ctx, &strb->Base, texImage); 1035 zs_writemask = 0; 1036 dst_usage = PIPE_BIND_RENDER_TARGET; 1037 } 1038 1039 if ((!color_writemask && !zs_writemask) || 1040 !screen->is_format_supported(screen, src_format, 1041 PIPE_TEXTURE_2D, sample_count, 1042 PIPE_BIND_SAMPLER_VIEW) || 1043 !screen->is_format_supported(screen, dest_format, 1044 PIPE_TEXTURE_2D, 0, 1045 dst_usage)) { 1046 goto fallback; 1047 } 1048 1049 if (do_flip) { 1050 srcY1 = strb->Base.Height - srcY - height; 1051 srcY0 = srcY1 + height; 1052 } 1053 else { 1054 srcY0 = srcY; 1055 srcY1 = srcY0 + height; 1056 } 1057 1058 /* Disable conditional rendering. */ 1059 if (st->render_condition) { 1060 pipe->render_condition(pipe, NULL, 0); 1061 } 1062 1063 memset(&surf_tmpl, 0, sizeof(surf_tmpl)); 1064 surf_tmpl.format = util_format_linear(stImage->pt->format); 1065 surf_tmpl.usage = dst_usage; 1066 surf_tmpl.u.tex.level = stImage->base.Level; 1067 surf_tmpl.u.tex.first_layer = stImage->base.Face + destZ; 1068 surf_tmpl.u.tex.last_layer = stImage->base.Face + destZ; 1069 1070 dest_surface = pipe->create_surface(pipe, stImage->pt, 1071 &surf_tmpl); 1072 util_blit_pixels(st->blit, 1073 strb->texture, 1074 strb->surface->u.tex.level, 1075 srcX, srcY0, 1076 srcX + width, srcY1, 1077 strb->surface->u.tex.first_layer, 1078 dest_surface, 1079 destX, destY, 1080 destX + width, destY + height, 1081 0.0, PIPE_TEX_MIPFILTER_NEAREST, 1082 color_writemask, zs_writemask); 1083 pipe_surface_reference(&dest_surface, NULL); 1084 1085 /* Restore conditional rendering state. */ 1086 if (st->render_condition) { 1087 pipe->render_condition(pipe, st->render_condition, 1088 st->condition_mode); 1089 } 1090 1091 return; 1092 1093 fallback: 1094 /* software fallback */ 1095 fallback_copy_texsubimage(ctx, 1096 strb, stImage, texBaseFormat, 1097 destX, destY, destZ, 1098 srcX, srcY, width, height); 1099 } 1100 1101 1102 /** 1103 * Copy image data from stImage into the texture object 'stObj' at level 1104 * 'dstLevel'. 1105 */ 1106 static void 1107 copy_image_data_to_texture(struct st_context *st, 1108 struct st_texture_object *stObj, 1109 GLuint dstLevel, 1110 struct st_texture_image *stImage) 1111 { 1112 /* debug checks */ 1113 { 1114 const struct gl_texture_image *dstImage = 1115 stObj->base.Image[stImage->base.Face][dstLevel]; 1116 assert(dstImage); 1117 assert(dstImage->Width == stImage->base.Width); 1118 assert(dstImage->Height == stImage->base.Height); 1119 assert(dstImage->Depth == stImage->base.Depth); 1120 } 1121 1122 if (stImage->pt) { 1123 /* Copy potentially with the blitter: 1124 */ 1125 GLuint src_level; 1126 if (stImage->pt->last_level == 0) 1127 src_level = 0; 1128 else 1129 src_level = stImage->base.Level; 1130 1131 assert(src_level <= stImage->pt->last_level); 1132 assert(u_minify(stImage->pt->width0, src_level) == stImage->base.Width); 1133 assert(stImage->pt->target == PIPE_TEXTURE_1D_ARRAY || 1134 u_minify(stImage->pt->height0, src_level) == stImage->base.Height); 1135 assert(stImage->pt->target == PIPE_TEXTURE_2D_ARRAY || 1136 u_minify(stImage->pt->depth0, src_level) == stImage->base.Depth); 1137 1138 st_texture_image_copy(st->pipe, 1139 stObj->pt, dstLevel, /* dest texture, level */ 1140 stImage->pt, src_level, /* src texture, level */ 1141 stImage->base.Face); 1142 1143 pipe_resource_reference(&stImage->pt, NULL); 1144 } 1145 else if (stImage->TexData) { 1146 /* Copy from malloc'd memory */ 1147 /* XXX this should be re-examined/tested with a compressed format */ 1148 GLuint blockSize = util_format_get_blocksize(stObj->pt->format); 1149 GLuint srcRowStride = stImage->base.Width * blockSize; 1150 GLuint srcSliceStride = stImage->base.Height * srcRowStride; 1151 st_texture_image_data(st, 1152 stObj->pt, 1153 stImage->base.Face, 1154 dstLevel, 1155 stImage->TexData, 1156 srcRowStride, 1157 srcSliceStride); 1158 _mesa_align_free(stImage->TexData); 1159 stImage->TexData = NULL; 1160 } 1161 1162 pipe_resource_reference(&stImage->pt, stObj->pt); 1163 } 1164 1165 1166 /** 1167 * Called during state validation. When this function is finished, 1168 * the texture object should be ready for rendering. 1169 * \return GL_TRUE for success, GL_FALSE for failure (out of mem) 1170 */ 1171 GLboolean 1172 st_finalize_texture(struct gl_context *ctx, 1173 struct pipe_context *pipe, 1174 struct gl_texture_object *tObj) 1175 { 1176 struct st_context *st = st_context(ctx); 1177 struct st_texture_object *stObj = st_texture_object(tObj); 1178 const GLuint nr_faces = (stObj->base.Target == GL_TEXTURE_CUBE_MAP) ? 6 : 1; 1179 GLuint face; 1180 struct st_texture_image *firstImage; 1181 enum pipe_format firstImageFormat; 1182 GLuint ptWidth, ptHeight, ptDepth, ptLayers; 1183 1184 if (_mesa_is_texture_complete(tObj, &tObj->Sampler)) { 1185 /* The texture is complete and we know exactly how many mipmap levels 1186 * are present/needed. This is conditional because we may be called 1187 * from the st_generate_mipmap() function when the texture object is 1188 * incomplete. In that case, we'll have set stObj->lastLevel before 1189 * we get here. 1190 */ 1191 if (stObj->base.Sampler.MinFilter == GL_LINEAR || 1192 stObj->base.Sampler.MinFilter == GL_NEAREST) 1193 stObj->lastLevel = stObj->base.BaseLevel; 1194 else 1195 stObj->lastLevel = stObj->base._MaxLevel; 1196 } 1197 1198 firstImage = st_texture_image(stObj->base.Image[0][stObj->base.BaseLevel]); 1199 assert(firstImage); 1200 1201 /* If both firstImage and stObj point to a texture which can contain 1202 * all active images, favour firstImage. Note that because of the 1203 * completeness requirement, we know that the image dimensions 1204 * will match. 1205 */ 1206 if (firstImage->pt && 1207 firstImage->pt != stObj->pt && 1208 (!stObj->pt || firstImage->pt->last_level >= stObj->pt->last_level)) { 1209 pipe_resource_reference(&stObj->pt, firstImage->pt); 1210 pipe_sampler_view_release(st->pipe, &stObj->sampler_view); 1211 } 1212 1213 /* Find gallium format for the Mesa texture */ 1214 firstImageFormat = st_mesa_format_to_pipe_format(firstImage->base.TexFormat); 1215 1216 /* Find size of level=0 Gallium mipmap image, plus number of texture layers */ 1217 { 1218 GLuint width, height, depth; 1219 if (!guess_base_level_size(stObj->base.Target, 1220 firstImage->base.Width2, 1221 firstImage->base.Height2, 1222 firstImage->base.Depth2, 1223 firstImage->base.Level, 1224 &width, &height, &depth)) { 1225 width = stObj->width0; 1226 height = stObj->height0; 1227 depth = stObj->depth0; 1228 } 1229 /* convert GL dims to Gallium dims */ 1230 st_gl_texture_dims_to_pipe_dims(stObj->base.Target, width, height, depth, 1231 &ptWidth, &ptHeight, &ptDepth, &ptLayers); 1232 } 1233 1234 /* If we already have a gallium texture, check that it matches the texture 1235 * object's format, target, size, num_levels, etc. 1236 */ 1237 if (stObj->pt) { 1238 if (stObj->pt->target != gl_target_to_pipe(stObj->base.Target) || 1239 !st_sampler_compat_formats(stObj->pt->format, firstImageFormat) || 1240 stObj->pt->last_level < stObj->lastLevel || 1241 stObj->pt->width0 != ptWidth || 1242 stObj->pt->height0 != ptHeight || 1243 stObj->pt->depth0 != ptDepth || 1244 stObj->pt->array_size != ptLayers) 1245 { 1246 /* The gallium texture does not match the Mesa texture so delete the 1247 * gallium texture now. We'll make a new one below. 1248 */ 1249 pipe_resource_reference(&stObj->pt, NULL); 1250 pipe_sampler_view_release(st->pipe, &stObj->sampler_view); 1251 st->dirty.st |= ST_NEW_FRAMEBUFFER; 1252 } 1253 } 1254 1255 /* May need to create a new gallium texture: 1256 */ 1257 if (!stObj->pt) { 1258 GLuint bindings = default_bindings(st, firstImageFormat); 1259 1260 stObj->pt = st_texture_create(st, 1261 gl_target_to_pipe(stObj->base.Target), 1262 firstImageFormat, 1263 stObj->lastLevel, 1264 ptWidth, 1265 ptHeight, 1266 ptDepth, 1267 ptLayers, 1268 bindings); 1269 1270 if (!stObj->pt) { 1271 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage"); 1272 return GL_FALSE; 1273 } 1274 } 1275 1276 /* Pull in any images not in the object's texture: 1277 */ 1278 for (face = 0; face < nr_faces; face++) { 1279 GLuint level; 1280 for (level = stObj->base.BaseLevel; level <= stObj->lastLevel; level++) { 1281 struct st_texture_image *stImage = 1282 st_texture_image(stObj->base.Image[face][level]); 1283 1284 /* Need to import images in main memory or held in other textures. 1285 */ 1286 if (stImage && stObj->pt != stImage->pt) { 1287 if (level == 0 || 1288 (stImage->base.Width == u_minify(stObj->width0, level) && 1289 stImage->base.Height == u_minify(stObj->height0, level) && 1290 stImage->base.Depth == u_minify(stObj->depth0, level))) { 1291 /* src image fits expected dest mipmap level size */ 1292 copy_image_data_to_texture(st, stObj, level, stImage); 1293 } 1294 } 1295 } 1296 } 1297 1298 return GL_TRUE; 1299 } 1300 1301 1302 /** 1303 * Called via ctx->Driver.AllocTextureStorage() to allocate texture memory 1304 * for a whole mipmap stack. 1305 */ 1306 static GLboolean 1307 st_AllocTextureStorage(struct gl_context *ctx, 1308 struct gl_texture_object *texObj, 1309 GLsizei levels, GLsizei width, 1310 GLsizei height, GLsizei depth) 1311 { 1312 const GLuint numFaces = _mesa_num_tex_faces(texObj->Target); 1313 struct st_context *st = st_context(ctx); 1314 struct st_texture_object *stObj = st_texture_object(texObj); 1315 GLuint ptWidth, ptHeight, ptDepth, ptLayers, bindings; 1316 enum pipe_format fmt; 1317 GLint level; 1318 1319 assert(levels > 0); 1320 1321 /* Save the level=0 dimensions */ 1322 stObj->width0 = width; 1323 stObj->height0 = height; 1324 stObj->depth0 = depth; 1325 stObj->lastLevel = levels - 1; 1326 1327 fmt = st_mesa_format_to_pipe_format(texObj->Image[0][0]->TexFormat); 1328 1329 bindings = default_bindings(st, fmt); 1330 1331 st_gl_texture_dims_to_pipe_dims(texObj->Target, 1332 width, height, depth, 1333 &ptWidth, &ptHeight, &ptDepth, &ptLayers); 1334 1335 stObj->pt = st_texture_create(st, 1336 gl_target_to_pipe(texObj->Target), 1337 fmt, 1338 levels, 1339 ptWidth, 1340 ptHeight, 1341 ptDepth, 1342 ptLayers, 1343 bindings); 1344 if (!stObj->pt) 1345 return GL_FALSE; 1346 1347 /* Set image resource pointers */ 1348 for (level = 0; level < levels; level++) { 1349 GLuint face; 1350 for (face = 0; face < numFaces; face++) { 1351 struct st_texture_image *stImage = 1352 st_texture_image(texObj->Image[face][level]); 1353 pipe_resource_reference(&stImage->pt, stObj->pt); 1354 } 1355 } 1356 1357 return GL_TRUE; 1358 } 1359 1360 1361 1362 void 1363 st_init_texture_functions(struct dd_function_table *functions) 1364 { 1365 functions->ChooseTextureFormat = st_ChooseTextureFormat; 1366 functions->TexImage = st_TexImage; 1367 functions->TexSubImage = _mesa_store_texsubimage; 1368 functions->CompressedTexSubImage = _mesa_store_compressed_texsubimage; 1369 functions->CopyTexSubImage = st_CopyTexSubImage; 1370 functions->GenerateMipmap = st_generate_mipmap; 1371 1372 functions->GetTexImage = st_GetTexImage; 1373 1374 /* compressed texture functions */ 1375 functions->CompressedTexImage = st_CompressedTexImage; 1376 functions->GetCompressedTexImage = _mesa_get_compressed_teximage; 1377 1378 functions->NewTextureObject = st_NewTextureObject; 1379 functions->NewTextureImage = st_NewTextureImage; 1380 functions->DeleteTextureImage = st_DeleteTextureImage; 1381 functions->DeleteTexture = st_DeleteTextureObject; 1382 functions->AllocTextureImageBuffer = st_AllocTextureImageBuffer; 1383 functions->FreeTextureImageBuffer = st_FreeTextureImageBuffer; 1384 functions->MapTextureImage = st_MapTextureImage; 1385 functions->UnmapTextureImage = st_UnmapTextureImage; 1386 1387 /* XXX Temporary until we can query pipe's texture sizes */ 1388 functions->TestProxyTexImage = _mesa_test_proxy_teximage; 1389 1390 functions->AllocTextureStorage = st_AllocTextureStorage; 1391 } 1392
