st_cb_texture.c revision a62efdf82c20747feb11dfd7756f0579aa914b57
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/texcompress.h" 38#include "main/texfetch.h" 39#include "main/texgetimage.h" 40#include "main/teximage.h" 41#include "main/texobj.h" 42#include "main/texstore.h" 43 44#include "state_tracker/st_debug.h" 45#include "state_tracker/st_context.h" 46#include "state_tracker/st_cb_fbo.h" 47#include "state_tracker/st_cb_flush.h" 48#include "state_tracker/st_cb_texture.h" 49#include "state_tracker/st_format.h" 50#include "state_tracker/st_texture.h" 51#include "state_tracker/st_gen_mipmap.h" 52#include "state_tracker/st_atom.h" 53 54#include "pipe/p_context.h" 55#include "pipe/p_defines.h" 56#include "util/u_inlines.h" 57#include "pipe/p_shader_tokens.h" 58#include "util/u_tile.h" 59#include "util/u_blit.h" 60#include "util/u_format.h" 61#include "util/u_surface.h" 62#include "util/u_sampler.h" 63#include "util/u_math.h" 64 65 66#define DBG if (0) printf 67 68 69static enum pipe_texture_target 70gl_target_to_pipe(GLenum target) 71{ 72 switch (target) { 73 case GL_TEXTURE_1D: 74 return PIPE_TEXTURE_1D; 75 76 case GL_TEXTURE_2D: 77 return PIPE_TEXTURE_2D; 78 79 case GL_TEXTURE_RECTANGLE_NV: 80 return PIPE_TEXTURE_RECT; 81 82 case GL_TEXTURE_3D: 83 return PIPE_TEXTURE_3D; 84 85 case GL_TEXTURE_CUBE_MAP_ARB: 86 return PIPE_TEXTURE_CUBE; 87 88 default: 89 assert(0); 90 return 0; 91 } 92} 93 94 95/** called via ctx->Driver.NewTextureImage() */ 96static struct gl_texture_image * 97st_NewTextureImage(GLcontext * ctx) 98{ 99 DBG("%s\n", __FUNCTION__); 100 (void) ctx; 101 return (struct gl_texture_image *) ST_CALLOC_STRUCT(st_texture_image); 102} 103 104 105/** called via ctx->Driver.NewTextureObject() */ 106static struct gl_texture_object * 107st_NewTextureObject(GLcontext * ctx, GLuint name, GLenum target) 108{ 109 struct st_texture_object *obj = ST_CALLOC_STRUCT(st_texture_object); 110 111 DBG("%s\n", __FUNCTION__); 112 _mesa_initialize_texture_object(&obj->base, name, target); 113 114 return &obj->base; 115} 116 117/** called via ctx->Driver.DeleteTextureObject() */ 118static void 119st_DeleteTextureObject(GLcontext *ctx, 120 struct gl_texture_object *texObj) 121{ 122 struct st_context *st = st_context(ctx); 123 struct st_texture_object *stObj = st_texture_object(texObj); 124 if (stObj->pt) 125 pipe_resource_reference(&stObj->pt, NULL); 126 if (stObj->sampler_view) { 127 if (stObj->sampler_view->context != st->pipe) { 128 /* Take "ownership" of this texture sampler view by setting 129 * its context pointer to this context. This avoids potential 130 * crashes when the texture object is shared among contexts 131 * and the original/owner context has already been destroyed. 132 */ 133 stObj->sampler_view->context = st->pipe; 134 } 135 pipe_sampler_view_reference(&stObj->sampler_view, NULL); 136 } 137 _mesa_delete_texture_object(ctx, texObj); 138} 139 140 141/** called via ctx->Driver.FreeTexImageData() */ 142static void 143st_FreeTextureImageData(GLcontext * ctx, struct gl_texture_image *texImage) 144{ 145 struct st_texture_image *stImage = st_texture_image(texImage); 146 147 DBG("%s\n", __FUNCTION__); 148 149 if (stImage->pt) { 150 pipe_resource_reference(&stImage->pt, NULL); 151 } 152 153 if (texImage->Data) { 154 _mesa_align_free(texImage->Data); 155 texImage->Data = NULL; 156 } 157} 158 159 160/** 161 * From linux kernel i386 header files, copes with odd sizes better 162 * than COPY_DWORDS would: 163 * XXX Put this in src/mesa/main/imports.h ??? 164 */ 165#if defined(PIPE_CC_GCC) && defined(PIPE_ARCH_X86) 166static INLINE void * 167__memcpy(void *to, const void *from, size_t n) 168{ 169 int d0, d1, d2; 170 __asm__ __volatile__("rep ; movsl\n\t" 171 "testb $2,%b4\n\t" 172 "je 1f\n\t" 173 "movsw\n" 174 "1:\ttestb $1,%b4\n\t" 175 "je 2f\n\t" 176 "movsb\n" "2:":"=&c"(d0), "=&D"(d1), "=&S"(d2) 177 :"0"(n / 4), "q"(n), "1"((long) to), "2"((long) from) 178 :"memory"); 179 return (to); 180} 181#else 182#define __memcpy(a,b,c) memcpy(a,b,c) 183#endif 184 185 186/** 187 * The system memcpy (at least on ubuntu 5.10) has problems copying 188 * to agp (writecombined) memory from a source which isn't 64-byte 189 * aligned - there is a 4x performance falloff. 190 * 191 * The x86 __memcpy is immune to this but is slightly slower 192 * (10%-ish) than the system memcpy. 193 * 194 * The sse_memcpy seems to have a slight cliff at 64/32 bytes, but 195 * isn't much faster than x86_memcpy for agp copies. 196 * 197 * TODO: switch dynamically. 198 */ 199static void * 200do_memcpy(void *dest, const void *src, size_t n) 201{ 202 if ((((unsigned long) src) & 63) || (((unsigned long) dest) & 63)) { 203 return __memcpy(dest, src, n); 204 } 205 else 206 return memcpy(dest, src, n); 207} 208 209 210/** 211 * Return default texture resource binding bitmask for the given format. 212 */ 213static GLuint 214default_bindings(struct st_context *st, enum pipe_format format) 215{ 216 struct pipe_screen *screen = st->pipe->screen; 217 const unsigned target = PIPE_TEXTURE_2D; 218 const unsigned geom = 0x0; 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, geom)) 227 return bindings; 228 else 229 return PIPE_BIND_SAMPLER_VIEW; 230} 231 232 233/** Return number of image dimensions (1, 2 or 3) for a texture target. */ 234static GLuint 235get_texture_dims(GLenum target) 236{ 237 switch (target) { 238 case GL_TEXTURE_1D: 239 case GL_TEXTURE_1D_ARRAY_EXT: 240 return 1; 241 case GL_TEXTURE_2D: 242 case GL_TEXTURE_CUBE_MAP_ARB: 243 case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB: 244 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB: 245 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB: 246 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB: 247 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB: 248 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB: 249 case GL_TEXTURE_RECTANGLE_NV: 250 case GL_TEXTURE_2D_ARRAY_EXT: 251 return 2; 252 case GL_TEXTURE_3D: 253 return 3; 254 default: 255 assert(0 && "invalid texture target in get_texture_dims()"); 256 return 1; 257 } 258} 259 260 261/** 262 * Try to allocate a pipe_resource object for the given st_texture_object. 263 * 264 * We use the given st_texture_image as a clue to determine the size of the 265 * mipmap image at level=0. 266 * 267 * \return GL_TRUE for success, GL_FALSE if out of memory. 268 */ 269static GLboolean 270guess_and_alloc_texture(struct st_context *st, 271 struct st_texture_object *stObj, 272 const struct st_texture_image *stImage) 273{ 274 const GLuint dims = get_texture_dims(stObj->base.Target); 275 GLuint level, lastLevel, width, height, depth; 276 GLuint bindings; 277 enum pipe_format fmt; 278 279 DBG("%s\n", __FUNCTION__); 280 281 assert(!stObj->pt); 282 283 level = stImage->level; 284 width = stImage->base.Width2; /* size w/out border */ 285 height = stImage->base.Height2; 286 depth = stImage->base.Depth2; 287 288 assert(width > 0); 289 assert(height > 0); 290 assert(depth > 0); 291 292 /* Depending on the image's size, we can't always make a guess here. 293 */ 294 if (level > 0) { 295 if ( (dims >= 1 && width == 1) || 296 (dims >= 2 && height == 1) || 297 (dims >= 3 && depth == 1) ) { 298 /* we can't determine the image size at level=0 */ 299 stObj->width0 = stObj->height0 = stObj->depth0 = 0; 300 /* this is not an out of memory error */ 301 return GL_TRUE; 302 } 303 } 304 305 /* grow the image size until we hit level = 0 */ 306 while (level > 0) { 307 if (width != 1) 308 width <<= 1; 309 if (height != 1) 310 height <<= 1; 311 if (depth != 1) 312 depth <<= 1; 313 level--; 314 } 315 316 assert(level == 0); 317 318 /* At this point, (width x height x depth) is the expected size of 319 * the level=0 mipmap image. 320 */ 321 322 /* Guess a reasonable value for lastLevel. With OpenGL we have no 323 * idea how many mipmap levels will be in a texture until we start 324 * to render with it. Make an educated guess here but be prepared 325 * to re-allocating a texture buffer with space for more (or fewer) 326 * mipmap levels later. 327 */ 328 if ((stObj->base.MinFilter == GL_NEAREST || 329 stObj->base.MinFilter == GL_LINEAR || 330 stImage->base._BaseFormat == GL_DEPTH_COMPONENT || 331 stImage->base._BaseFormat == GL_DEPTH_STENCIL_EXT) && 332 !stObj->base.GenerateMipmap && 333 stImage->level == 0) { 334 /* only alloc space for a single mipmap level */ 335 lastLevel = 0; 336 } 337 else { 338 /* alloc space for a full mipmap */ 339 GLuint l2width = util_logbase2(width); 340 GLuint l2height = util_logbase2(height); 341 GLuint l2depth = util_logbase2(depth); 342 lastLevel = MAX2(MAX2(l2width, l2height), l2depth); 343 } 344 345 /* Save the level=0 dimensions */ 346 stObj->width0 = width; 347 stObj->height0 = height; 348 stObj->depth0 = depth; 349 350 fmt = st_mesa_format_to_pipe_format(stImage->base.TexFormat); 351 352 bindings = default_bindings(st, fmt); 353 354 stObj->pt = st_texture_create(st, 355 gl_target_to_pipe(stObj->base.Target), 356 fmt, 357 lastLevel, 358 width, 359 height, 360 depth, 361 bindings); 362 363 DBG("%s returning %d\n", __FUNCTION__, (stObj->pt != NULL)); 364 365 return stObj->pt != NULL; 366} 367 368 369/** 370 * Adjust pixel unpack params and image dimensions to strip off the 371 * texture border. 372 * Gallium doesn't support texture borders. They've seldem been used 373 * and seldom been implemented correctly anyway. 374 * \param unpackNew returns the new pixel unpack parameters 375 */ 376static void 377strip_texture_border(GLint border, 378 GLint *width, GLint *height, GLint *depth, 379 const struct gl_pixelstore_attrib *unpack, 380 struct gl_pixelstore_attrib *unpackNew) 381{ 382 assert(border > 0); /* sanity check */ 383 384 *unpackNew = *unpack; 385 386 if (unpackNew->RowLength == 0) 387 unpackNew->RowLength = *width; 388 389 if (depth && unpackNew->ImageHeight == 0) 390 unpackNew->ImageHeight = *height; 391 392 unpackNew->SkipPixels += border; 393 if (height) 394 unpackNew->SkipRows += border; 395 if (depth) 396 unpackNew->SkipImages += border; 397 398 assert(*width >= 3); 399 *width = *width - 2 * border; 400 if (height && *height >= 3) 401 *height = *height - 2 * border; 402 if (depth && *depth >= 3) 403 *depth = *depth - 2 * border; 404} 405 406 407/** 408 * Try to do texture compression via rendering. If the Gallium driver 409 * can render into a compressed surface this will allow us to do texture 410 * compression. 411 * \return GL_TRUE for success, GL_FALSE for failure 412 */ 413static GLboolean 414compress_with_blit(GLcontext * ctx, 415 GLenum target, GLint level, 416 GLint xoffset, GLint yoffset, GLint zoffset, 417 GLint width, GLint height, GLint depth, 418 GLenum format, GLenum type, const void *pixels, 419 const struct gl_pixelstore_attrib *unpack, 420 struct gl_texture_image *texImage) 421{ 422 const GLuint dstImageOffsets[1] = {0}; 423 struct st_texture_image *stImage = st_texture_image(texImage); 424 struct st_context *st = st_context(ctx); 425 struct pipe_context *pipe = st->pipe; 426 struct pipe_screen *screen = pipe->screen; 427 gl_format mesa_format; 428 struct pipe_resource templ; 429 struct pipe_resource *src_tex; 430 struct pipe_sampler_view view_templ; 431 struct pipe_sampler_view *src_view; 432 struct pipe_surface *dst_surface; 433 struct pipe_transfer *tex_xfer; 434 void *map; 435 436 if (!stImage->pt) { 437 /* XXX: Can this happen? Should we assert? */ 438 return GL_FALSE; 439 } 440 441 /* get destination surface (in the compressed texture) */ 442 dst_surface = screen->get_tex_surface(screen, stImage->pt, 443 stImage->face, stImage->level, 0, 444 0 /* flags */); 445 if (!dst_surface) { 446 /* can't render into this format (or other problem) */ 447 return GL_FALSE; 448 } 449 450 /* Choose format for the temporary RGBA texture image. 451 */ 452 mesa_format = st_ChooseTextureFormat(ctx, GL_RGBA, format, type); 453 assert(mesa_format); 454 if (!mesa_format) 455 return GL_FALSE; 456 457 /* Create the temporary source texture 458 */ 459 memset(&templ, 0, sizeof(templ)); 460 templ.target = st->internal_target; 461 templ.format = st_mesa_format_to_pipe_format(mesa_format); 462 templ.width0 = width; 463 templ.height0 = height; 464 templ.depth0 = 1; 465 templ.last_level = 0; 466 templ.usage = PIPE_USAGE_DEFAULT; 467 templ.bind = PIPE_BIND_SAMPLER_VIEW; 468 src_tex = screen->resource_create(screen, &templ); 469 470 if (!src_tex) 471 return GL_FALSE; 472 473 /* Put user's tex data into the temporary texture 474 */ 475 tex_xfer = pipe_get_transfer(st_context(ctx)->pipe, src_tex, 476 0, 0, 0, /* face, level are zero */ 477 PIPE_TRANSFER_WRITE, 478 0, 0, width, height); /* x, y, w, h */ 479 map = pipe_transfer_map(pipe, tex_xfer); 480 481 _mesa_texstore(ctx, 2, GL_RGBA, mesa_format, 482 map, /* dest ptr */ 483 0, 0, 0, /* dest x/y/z offset */ 484 tex_xfer->stride, /* dest row stride (bytes) */ 485 dstImageOffsets, /* image offsets (for 3D only) */ 486 width, height, 1, /* size */ 487 format, type, /* source format/type */ 488 pixels, /* source data */ 489 unpack); /* source data packing */ 490 491 pipe_transfer_unmap(pipe, tex_xfer); 492 pipe->transfer_destroy(pipe, tex_xfer); 493 494 /* Create temporary sampler view */ 495 u_sampler_view_default_template(&view_templ, 496 src_tex, 497 src_tex->format); 498 src_view = pipe->create_sampler_view(pipe, src_tex, &view_templ); 499 500 501 /* copy / compress image */ 502 util_blit_pixels_tex(st->blit, 503 src_view, /* sampler view (src) */ 504 0, 0, /* src x0, y0 */ 505 width, height, /* src x1, y1 */ 506 dst_surface, /* pipe_surface (dst) */ 507 xoffset, yoffset, /* dst x0, y0 */ 508 xoffset + width, /* dst x1 */ 509 yoffset + height, /* dst y1 */ 510 0.0, /* z */ 511 PIPE_TEX_MIPFILTER_NEAREST); 512 513 pipe_surface_reference(&dst_surface, NULL); 514 pipe_resource_reference(&src_tex, NULL); 515 pipe_sampler_view_reference(&src_view, NULL); 516 517 return GL_TRUE; 518} 519 520 521/** 522 * Do glTexImage1/2/3D(). 523 */ 524static void 525st_TexImage(GLcontext * ctx, 526 GLint dims, 527 GLenum target, GLint level, 528 GLint internalFormat, 529 GLint width, GLint height, GLint depth, 530 GLint border, 531 GLenum format, GLenum type, const void *pixels, 532 const struct gl_pixelstore_attrib *unpack, 533 struct gl_texture_object *texObj, 534 struct gl_texture_image *texImage, 535 GLsizei imageSize, GLboolean compressed_src) 536{ 537 struct st_context *st = st_context(ctx); 538 struct pipe_screen *screen = st->pipe->screen; 539 struct st_texture_object *stObj = st_texture_object(texObj); 540 struct st_texture_image *stImage = st_texture_image(texImage); 541 GLuint dstRowStride = 0; 542 struct gl_pixelstore_attrib unpackNB; 543 enum pipe_transfer_usage transfer_usage = 0; 544 545 DBG("%s target %s level %d %dx%dx%d border %d\n", __FUNCTION__, 546 _mesa_lookup_enum_by_nr(target), level, width, height, depth, border); 547 548 /* switch to "normal" */ 549 if (stObj->surface_based) { 550 _mesa_clear_texture_object(ctx, texObj); 551 pipe_resource_reference(&stObj->pt, NULL); 552 553 /* oops, need to init this image again */ 554 _mesa_init_teximage_fields(ctx, target, texImage, 555 width, height, depth, border, internalFormat); 556 _mesa_choose_texture_format(ctx, texObj, texImage, target, level, 557 internalFormat, format, type); 558 559 stObj->surface_based = GL_FALSE; 560 } 561 562 /* gallium does not support texture borders, strip it off */ 563 if (border) { 564 strip_texture_border(border, &width, &height, &depth, unpack, &unpackNB); 565 unpack = &unpackNB; 566 texImage->Width = width; 567 texImage->Height = height; 568 texImage->Depth = depth; 569 texImage->Border = 0; 570 border = 0; 571 } 572 else { 573 assert(texImage->Width == width); 574 assert(texImage->Height == height); 575 assert(texImage->Depth == depth); 576 } 577 578 stImage->face = _mesa_tex_target_to_face(target); 579 stImage->level = level; 580 581 _mesa_set_fetch_functions(texImage, dims); 582 583 /* Release the reference to a potentially orphaned buffer. 584 * Release any old malloced memory. 585 */ 586 if (stImage->pt) { 587 pipe_resource_reference(&stImage->pt, NULL); 588 assert(!texImage->Data); 589 } 590 else if (texImage->Data) { 591 _mesa_align_free(texImage->Data); 592 } 593 594 /* 595 * See if the new image is somehow incompatible with the existing 596 * mipmap. If so, free the old mipmap. 597 */ 598 if (stObj->pt) { 599 if (level > (GLint) stObj->pt->last_level || 600 !st_texture_match_image(stObj->pt, &stImage->base, 601 stImage->face, stImage->level)) { 602 DBG("release it\n"); 603 pipe_resource_reference(&stObj->pt, NULL); 604 assert(!stObj->pt); 605 pipe_sampler_view_reference(&stObj->sampler_view, NULL); 606 } 607 } 608 609 if (width == 0 || height == 0 || depth == 0) { 610 /* stop after freeing old image */ 611 return; 612 } 613 614 if (!stObj->pt) { 615 if (!guess_and_alloc_texture(st, stObj, stImage)) { 616 /* Probably out of memory. 617 * Try flushing any pending rendering, then retry. 618 */ 619 st_finish(st); 620 if (!guess_and_alloc_texture(st, stObj, stImage)) { 621 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage"); 622 return; 623 } 624 } 625 } 626 627 assert(!stImage->pt); 628 629 /* Check if this texture image can live inside the texture object's buffer. 630 * If so, store the image there. Otherwise the image will temporarily live 631 * in its own buffer. 632 */ 633 if (stObj->pt && 634 st_texture_match_image(stObj->pt, &stImage->base, 635 stImage->face, stImage->level)) { 636 637 pipe_resource_reference(&stImage->pt, stObj->pt); 638 assert(stImage->pt); 639 } 640 641 if (!stImage->pt) 642 DBG("XXX: Image did not fit into texture - storing in local memory!\n"); 643 644 /* Pixel data may come from regular user memory or a PBO. For the later, 645 * do bounds checking and map the PBO to read pixels data from it. 646 * 647 * XXX we should try to use a GPU-accelerated path to copy the image data 648 * from the PBO to the texture. 649 */ 650 if (compressed_src) { 651 pixels = _mesa_validate_pbo_compressed_teximage(ctx, imageSize, pixels, 652 unpack, 653 "glCompressedTexImage"); 654 } 655 else { 656 pixels = _mesa_validate_pbo_teximage(ctx, dims, width, height, 1, 657 format, type, 658 pixels, unpack, "glTexImage"); 659 } 660 661 /* See if we can do texture compression with a blit/render. 662 */ 663 if (!compressed_src && 664 !ctx->Mesa_DXTn && 665 _mesa_is_format_compressed(texImage->TexFormat) && 666 screen->is_format_supported(screen, 667 stImage->pt->format, 668 stImage->pt->target, 0, 669 PIPE_BIND_RENDER_TARGET, 0)) { 670 if (!pixels) 671 goto done; 672 673 if (compress_with_blit(ctx, target, level, 0, 0, 0, width, height, depth, 674 format, type, pixels, unpack, texImage)) { 675 goto done; 676 } 677 } 678 679 /* 680 * Prepare to store the texture data. Either map the gallium texture buffer 681 * memory or malloc space for it. 682 */ 683 if (stImage->pt) { 684 /* Store the image in the gallium texture memory buffer */ 685 if (format == GL_DEPTH_COMPONENT && 686 util_format_is_depth_and_stencil(stImage->pt->format)) 687 transfer_usage = PIPE_TRANSFER_READ_WRITE; 688 else 689 transfer_usage = PIPE_TRANSFER_WRITE; 690 691 texImage->Data = st_texture_image_map(st, stImage, 0, 692 transfer_usage, 0, 0, width, height); 693 if(stImage->transfer) 694 dstRowStride = stImage->transfer->stride; 695 } 696 else { 697 /* Allocate regular memory and store the image there temporarily. */ 698 GLuint imageSize = _mesa_format_image_size(texImage->TexFormat, 699 width, height, depth); 700 dstRowStride = _mesa_format_row_stride(texImage->TexFormat, width); 701 702 texImage->Data = _mesa_align_malloc(imageSize, 16); 703 } 704 705 if (!texImage->Data) { 706 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage"); 707 return; 708 } 709 710 if (!pixels) { 711 /* We've allocated texture memory, but have no pixel data - all done. */ 712 goto done; 713 } 714 715 DBG("Upload image %dx%dx%d row_len %x pitch %x\n", 716 width, height, depth, width, dstRowStride); 717 718 /* Copy user texture image into the texture buffer. 719 */ 720 if (compressed_src) { 721 const GLuint srcRowStride = 722 _mesa_format_row_stride(texImage->TexFormat, width); 723 if (dstRowStride == srcRowStride) { 724 memcpy(texImage->Data, pixels, imageSize); 725 } 726 else { 727 char *dst = texImage->Data; 728 const char *src = pixels; 729 GLuint i, bw, bh, lines; 730 _mesa_get_format_block_size(texImage->TexFormat, &bw, &bh); 731 lines = (height + bh - 1) / bh; 732 733 for (i = 0; i < lines; ++i) { 734 memcpy(dst, src, srcRowStride); 735 dst += dstRowStride; 736 src += srcRowStride; 737 } 738 } 739 } 740 else { 741 const GLuint srcImageStride = 742 _mesa_image_image_stride(unpack, width, height, format, type); 743 GLint i; 744 const GLubyte *src = (const GLubyte *) pixels; 745 746 for (i = 0; i < depth; i++) { 747 if (!_mesa_texstore(ctx, dims, 748 texImage->_BaseFormat, 749 texImage->TexFormat, 750 texImage->Data, 751 0, 0, 0, /* dstX/Y/Zoffset */ 752 dstRowStride, 753 texImage->ImageOffsets, 754 width, height, 1, 755 format, type, src, unpack)) { 756 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage"); 757 } 758 759 if (stImage->pt && i + 1 < depth) { 760 /* unmap this slice */ 761 st_texture_image_unmap(st, stImage); 762 /* map next slice of 3D texture */ 763 texImage->Data = st_texture_image_map(st, stImage, i + 1, 764 transfer_usage, 0, 0, 765 width, height); 766 src += srcImageStride; 767 } 768 } 769 } 770 771done: 772 _mesa_unmap_teximage_pbo(ctx, unpack); 773 774 if (stImage->pt && texImage->Data) { 775 st_texture_image_unmap(st, stImage); 776 texImage->Data = NULL; 777 } 778} 779 780 781static void 782st_TexImage3D(GLcontext * ctx, 783 GLenum target, GLint level, 784 GLint internalFormat, 785 GLint width, GLint height, GLint depth, 786 GLint border, 787 GLenum format, GLenum type, const void *pixels, 788 const struct gl_pixelstore_attrib *unpack, 789 struct gl_texture_object *texObj, 790 struct gl_texture_image *texImage) 791{ 792 st_TexImage(ctx, 3, target, level, internalFormat, width, height, depth, 793 border, format, type, pixels, unpack, texObj, texImage, 794 0, GL_FALSE); 795} 796 797 798static void 799st_TexImage2D(GLcontext * ctx, 800 GLenum target, GLint level, 801 GLint internalFormat, 802 GLint width, GLint height, GLint border, 803 GLenum format, GLenum type, const void *pixels, 804 const struct gl_pixelstore_attrib *unpack, 805 struct gl_texture_object *texObj, 806 struct gl_texture_image *texImage) 807{ 808 st_TexImage(ctx, 2, target, level, internalFormat, width, height, 1, border, 809 format, type, pixels, unpack, texObj, texImage, 0, GL_FALSE); 810} 811 812 813static void 814st_TexImage1D(GLcontext * ctx, 815 GLenum target, GLint level, 816 GLint internalFormat, 817 GLint width, GLint border, 818 GLenum format, GLenum type, const void *pixels, 819 const struct gl_pixelstore_attrib *unpack, 820 struct gl_texture_object *texObj, 821 struct gl_texture_image *texImage) 822{ 823 st_TexImage(ctx, 1, target, level, internalFormat, width, 1, 1, border, 824 format, type, pixels, unpack, texObj, texImage, 0, GL_FALSE); 825} 826 827 828static void 829st_CompressedTexImage2D(GLcontext *ctx, GLenum target, GLint level, 830 GLint internalFormat, 831 GLint width, GLint height, GLint border, 832 GLsizei imageSize, const GLvoid *data, 833 struct gl_texture_object *texObj, 834 struct gl_texture_image *texImage) 835{ 836 st_TexImage(ctx, 2, target, level, internalFormat, width, height, 1, border, 837 0, 0, data, &ctx->Unpack, texObj, texImage, imageSize, GL_TRUE); 838} 839 840 841 842/** 843 * glGetTexImage() helper: decompress a compressed texture by rendering 844 * a textured quad. Store the results in the user's buffer. 845 */ 846static void 847decompress_with_blit(GLcontext * ctx, GLenum target, GLint level, 848 GLenum format, GLenum type, GLvoid *pixels, 849 struct gl_texture_object *texObj, 850 struct gl_texture_image *texImage) 851{ 852 struct st_context *st = st_context(ctx); 853 struct pipe_context *pipe = st->pipe; 854 struct pipe_screen *screen = pipe->screen; 855 struct st_texture_image *stImage = st_texture_image(texImage); 856 struct st_texture_object *stObj = st_texture_object(texObj); 857 struct pipe_sampler_view *src_view = 858 st_get_texture_sampler_view(stObj, pipe); 859 const GLuint width = texImage->Width; 860 const GLuint height = texImage->Height; 861 struct pipe_surface *dst_surface; 862 struct pipe_resource *dst_texture; 863 struct pipe_transfer *tex_xfer; 864 unsigned bind = (PIPE_BIND_RENDER_TARGET | /* util_blit may choose to render */ 865 PIPE_BIND_TRANSFER_READ); 866 867 /* create temp / dest surface */ 868 if (!util_create_rgba_surface(screen, width, height, bind, 869 &dst_texture, &dst_surface)) { 870 _mesa_problem(ctx, "util_create_rgba_surface() failed " 871 "in decompress_with_blit()"); 872 return; 873 } 874 875 /* blit/render/decompress */ 876 util_blit_pixels_tex(st->blit, 877 src_view, /* pipe_resource (src) */ 878 0, 0, /* src x0, y0 */ 879 width, height, /* src x1, y1 */ 880 dst_surface, /* pipe_surface (dst) */ 881 0, 0, /* dst x0, y0 */ 882 width, height, /* dst x1, y1 */ 883 0.0, /* z */ 884 PIPE_TEX_MIPFILTER_NEAREST); 885 886 /* map the dst_surface so we can read from it */ 887 tex_xfer = pipe_get_transfer(st_context(ctx)->pipe, 888 dst_texture, 0, 0, 0, 889 PIPE_TRANSFER_READ, 890 0, 0, width, height); 891 892 pixels = _mesa_map_pbo_dest(ctx, &ctx->Pack, pixels); 893 894 /* copy/pack data into user buffer */ 895 if (st_equal_formats(stImage->pt->format, format, type)) { 896 /* memcpy */ 897 const uint bytesPerRow = width * util_format_get_blocksize(stImage->pt->format); 898 ubyte *map = pipe_transfer_map(pipe, tex_xfer); 899 GLuint row; 900 for (row = 0; row < height; row++) { 901 GLvoid *dest = _mesa_image_address2d(&ctx->Pack, pixels, width, 902 height, format, type, row, 0); 903 memcpy(dest, map, bytesPerRow); 904 map += tex_xfer->stride; 905 } 906 pipe_transfer_unmap(pipe, tex_xfer); 907 } 908 else { 909 /* format translation via floats */ 910 GLuint row; 911 for (row = 0; row < height; row++) { 912 const GLbitfield transferOps = 0x0; /* bypassed for glGetTexImage() */ 913 GLfloat rgba[4 * MAX_WIDTH]; 914 GLvoid *dest = _mesa_image_address2d(&ctx->Pack, pixels, width, 915 height, format, type, row, 0); 916 917 if (ST_DEBUG & DEBUG_FALLBACK) 918 debug_printf("%s: fallback format translation\n", __FUNCTION__); 919 920 /* get float[4] rgba row from surface */ 921 pipe_get_tile_rgba(pipe, tex_xfer, 0, row, width, 1, rgba); 922 923 _mesa_pack_rgba_span_float(ctx, width, (GLfloat (*)[4]) rgba, format, 924 type, dest, &ctx->Pack, transferOps); 925 } 926 } 927 928 _mesa_unmap_pbo_dest(ctx, &ctx->Pack); 929 930 pipe->transfer_destroy(pipe, tex_xfer); 931 932 /* destroy the temp / dest surface */ 933 util_destroy_rgba_surface(dst_texture, dst_surface); 934} 935 936 937 938/** 939 * Need to map texture image into memory before copying image data, 940 * then unmap it. 941 */ 942static void 943st_get_tex_image(GLcontext * ctx, GLenum target, GLint level, 944 GLenum format, GLenum type, GLvoid * pixels, 945 struct gl_texture_object *texObj, 946 struct gl_texture_image *texImage, GLboolean compressed_dst) 947{ 948 struct st_context *st = st_context(ctx); 949 struct st_texture_image *stImage = st_texture_image(texImage); 950 const GLuint dstImageStride = 951 _mesa_image_image_stride(&ctx->Pack, texImage->Width, texImage->Height, 952 format, type); 953 GLuint depth, i; 954 GLubyte *dest; 955 956 if (stImage->pt && 957 util_format_is_s3tc(stImage->pt->format) && 958 !compressed_dst) { 959 /* Need to decompress the texture. 960 * We'll do this by rendering a textured quad. 961 * Note that we only expect RGBA formats (no Z/depth formats). 962 */ 963 decompress_with_blit(ctx, target, level, format, type, pixels, 964 texObj, texImage); 965 return; 966 } 967 968 /* Map */ 969 if (stImage->pt) { 970 /* Image is stored in hardware format in a buffer managed by the 971 * kernel. Need to explicitly map and unmap it. 972 */ 973 texImage->Data = st_texture_image_map(st, stImage, 0, 974 PIPE_TRANSFER_READ, 0, 0, 975 stImage->base.Width, 976 stImage->base.Height); 977 /* compute stride in texels from stride in bytes */ 978 texImage->RowStride = stImage->transfer->stride 979 * util_format_get_blockwidth(stImage->pt->format) 980 / util_format_get_blocksize(stImage->pt->format); 981 } 982 else { 983 /* Otherwise, the image should actually be stored in 984 * texImage->Data. This is pretty confusing for 985 * everybody, I'd much prefer to separate the two functions of 986 * texImage->Data - storage for texture images in main memory 987 * and access (ie mappings) of images. In other words, we'd 988 * create a new texImage->Map field and leave Data simply for 989 * storage. 990 */ 991 assert(texImage->Data); 992 } 993 994 depth = texImage->Depth; 995 texImage->Depth = 1; 996 997 dest = (GLubyte *) pixels; 998 999 _mesa_set_fetch_functions(texImage, get_texture_dims(target)); 1000 1001 for (i = 0; i < depth; i++) { 1002 if (compressed_dst) { 1003 _mesa_get_compressed_teximage(ctx, target, level, dest, 1004 texObj, texImage); 1005 } 1006 else { 1007 _mesa_get_teximage(ctx, target, level, format, type, dest, 1008 texObj, texImage); 1009 } 1010 1011 if (stImage->pt && i + 1 < depth) { 1012 /* unmap this slice */ 1013 st_texture_image_unmap(st, stImage); 1014 /* map next slice of 3D texture */ 1015 texImage->Data = st_texture_image_map(st, stImage, i + 1, 1016 PIPE_TRANSFER_READ, 0, 0, 1017 stImage->base.Width, 1018 stImage->base.Height); 1019 dest += dstImageStride; 1020 } 1021 } 1022 1023 texImage->Depth = depth; 1024 1025 /* Unmap */ 1026 if (stImage->pt) { 1027 st_texture_image_unmap(st, stImage); 1028 texImage->Data = NULL; 1029 } 1030} 1031 1032 1033static void 1034st_GetTexImage(GLcontext * ctx, GLenum target, GLint level, 1035 GLenum format, GLenum type, GLvoid * pixels, 1036 struct gl_texture_object *texObj, 1037 struct gl_texture_image *texImage) 1038{ 1039 st_get_tex_image(ctx, target, level, format, type, pixels, texObj, texImage, 1040 GL_FALSE); 1041} 1042 1043 1044static void 1045st_GetCompressedTexImage(GLcontext *ctx, GLenum target, GLint level, 1046 GLvoid *pixels, 1047 struct gl_texture_object *texObj, 1048 struct gl_texture_image *texImage) 1049{ 1050 st_get_tex_image(ctx, target, level, 0, 0, pixels, texObj, texImage, 1051 GL_TRUE); 1052} 1053 1054 1055 1056static void 1057st_TexSubimage(GLcontext *ctx, GLint dims, GLenum target, GLint level, 1058 GLint xoffset, GLint yoffset, GLint zoffset, 1059 GLint width, GLint height, GLint depth, 1060 GLenum format, GLenum type, const void *pixels, 1061 const struct gl_pixelstore_attrib *packing, 1062 struct gl_texture_object *texObj, 1063 struct gl_texture_image *texImage) 1064{ 1065 struct st_context *st = st_context(ctx); 1066 struct pipe_screen *screen = st->pipe->screen; 1067 struct st_texture_image *stImage = st_texture_image(texImage); 1068 GLuint dstRowStride; 1069 const GLuint srcImageStride = 1070 _mesa_image_image_stride(packing, width, height, format, type); 1071 GLint i; 1072 const GLubyte *src; 1073 /* init to silence warning only: */ 1074 enum pipe_transfer_usage transfer_usage = PIPE_TRANSFER_WRITE; 1075 1076 DBG("%s target %s level %d offset %d,%d %dx%d\n", __FUNCTION__, 1077 _mesa_lookup_enum_by_nr(target), 1078 level, xoffset, yoffset, width, height); 1079 1080 pixels = 1081 _mesa_validate_pbo_teximage(ctx, dims, width, height, depth, format, 1082 type, pixels, packing, "glTexSubImage2D"); 1083 if (!pixels) 1084 return; 1085 1086 /* See if we can do texture compression with a blit/render. 1087 */ 1088 if (!ctx->Mesa_DXTn && 1089 _mesa_is_format_compressed(texImage->TexFormat) && 1090 screen->is_format_supported(screen, 1091 stImage->pt->format, 1092 stImage->pt->target, 0, 1093 PIPE_BIND_RENDER_TARGET, 0)) { 1094 if (compress_with_blit(ctx, target, level, 1095 xoffset, yoffset, zoffset, 1096 width, height, depth, 1097 format, type, pixels, packing, texImage)) { 1098 goto done; 1099 } 1100 } 1101 1102 /* Map buffer if necessary. Need to lock to prevent other contexts 1103 * from uploading the buffer under us. 1104 */ 1105 if (stImage->pt) { 1106 if (format == GL_DEPTH_COMPONENT && 1107 util_format_is_depth_and_stencil(stImage->pt->format)) 1108 transfer_usage = PIPE_TRANSFER_READ_WRITE; 1109 else 1110 transfer_usage = PIPE_TRANSFER_WRITE; 1111 1112 texImage->Data = st_texture_image_map(st, stImage, zoffset, 1113 transfer_usage, 1114 xoffset, yoffset, 1115 width, height); 1116 } 1117 1118 if (!texImage->Data) { 1119 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage"); 1120 goto done; 1121 } 1122 1123 src = (const GLubyte *) pixels; 1124 dstRowStride = stImage->transfer->stride; 1125 1126 for (i = 0; i < depth; i++) { 1127 if (!_mesa_texstore(ctx, dims, texImage->_BaseFormat, 1128 texImage->TexFormat, 1129 texImage->Data, 1130 0, 0, 0, 1131 dstRowStride, 1132 texImage->ImageOffsets, 1133 width, height, 1, 1134 format, type, src, packing)) { 1135 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage"); 1136 } 1137 1138 if (stImage->pt && i + 1 < depth) { 1139 /* unmap this slice */ 1140 st_texture_image_unmap(st, stImage); 1141 /* map next slice of 3D texture */ 1142 texImage->Data = st_texture_image_map(st, stImage, 1143 zoffset + i + 1, 1144 transfer_usage, 1145 xoffset, yoffset, 1146 width, height); 1147 src += srcImageStride; 1148 } 1149 } 1150 1151done: 1152 _mesa_unmap_teximage_pbo(ctx, packing); 1153 1154 if (stImage->pt && texImage->Data) { 1155 st_texture_image_unmap(st, stImage); 1156 texImage->Data = NULL; 1157 } 1158} 1159 1160 1161 1162static void 1163st_TexSubImage3D(GLcontext *ctx, GLenum target, GLint level, 1164 GLint xoffset, GLint yoffset, GLint zoffset, 1165 GLsizei width, GLsizei height, GLsizei depth, 1166 GLenum format, GLenum type, const GLvoid *pixels, 1167 const struct gl_pixelstore_attrib *packing, 1168 struct gl_texture_object *texObj, 1169 struct gl_texture_image *texImage) 1170{ 1171 st_TexSubimage(ctx, 3, target, level, xoffset, yoffset, zoffset, 1172 width, height, depth, format, type, 1173 pixels, packing, texObj, texImage); 1174} 1175 1176 1177static void 1178st_TexSubImage2D(GLcontext *ctx, GLenum target, GLint level, 1179 GLint xoffset, GLint yoffset, 1180 GLsizei width, GLsizei height, 1181 GLenum format, GLenum type, const GLvoid * pixels, 1182 const struct gl_pixelstore_attrib *packing, 1183 struct gl_texture_object *texObj, 1184 struct gl_texture_image *texImage) 1185{ 1186 st_TexSubimage(ctx, 2, target, level, xoffset, yoffset, 0, 1187 width, height, 1, format, type, 1188 pixels, packing, texObj, texImage); 1189} 1190 1191 1192static void 1193st_TexSubImage1D(GLcontext *ctx, GLenum target, GLint level, 1194 GLint xoffset, GLsizei width, GLenum format, GLenum type, 1195 const GLvoid * pixels, 1196 const struct gl_pixelstore_attrib *packing, 1197 struct gl_texture_object *texObj, 1198 struct gl_texture_image *texImage) 1199{ 1200 st_TexSubimage(ctx, 1, target, level, xoffset, 0, 0, width, 1, 1, 1201 format, type, pixels, packing, texObj, texImage); 1202} 1203 1204 1205static void 1206st_CompressedTexSubImage1D(GLcontext *ctx, GLenum target, GLint level, 1207 GLint xoffset, GLsizei width, 1208 GLenum format, 1209 GLsizei imageSize, const GLvoid *data, 1210 struct gl_texture_object *texObj, 1211 struct gl_texture_image *texImage) 1212{ 1213 assert(0); 1214} 1215 1216 1217static void 1218st_CompressedTexSubImage2D(GLcontext *ctx, GLenum target, GLint level, 1219 GLint xoffset, GLint yoffset, 1220 GLsizei width, GLint height, 1221 GLenum format, 1222 GLsizei imageSize, const GLvoid *data, 1223 struct gl_texture_object *texObj, 1224 struct gl_texture_image *texImage) 1225{ 1226 struct st_context *st = st_context(ctx); 1227 struct st_texture_image *stImage = st_texture_image(texImage); 1228 int srcBlockStride; 1229 int dstBlockStride; 1230 int y; 1231 enum pipe_format pformat; 1232 1233 if (stImage->pt) { 1234 pformat = stImage->pt->format; 1235 1236 texImage->Data = st_texture_image_map(st, stImage, 0, 1237 PIPE_TRANSFER_WRITE, 1238 xoffset, yoffset, 1239 width, height); 1240 1241 srcBlockStride = util_format_get_stride(pformat, width); 1242 dstBlockStride = stImage->transfer->stride; 1243 } else { 1244 assert(stImage->pt); 1245 /* TODO find good values for block and strides */ 1246 /* TODO also adjust texImage->data for yoffset/xoffset */ 1247 return; 1248 } 1249 1250 if (!texImage->Data) { 1251 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexSubImage"); 1252 return; 1253 } 1254 1255 assert(xoffset % util_format_get_blockwidth(pformat) == 0); 1256 assert(yoffset % util_format_get_blockheight(pformat) == 0); 1257 1258 for (y = 0; y < height; y += util_format_get_blockheight(pformat)) { 1259 /* don't need to adjust for xoffset and yoffset as st_texture_image_map does that */ 1260 const char *src = (const char*)data + srcBlockStride * util_format_get_nblocksy(pformat, y); 1261 char *dst = (char*)texImage->Data + dstBlockStride * util_format_get_nblocksy(pformat, y); 1262 memcpy(dst, src, util_format_get_stride(pformat, width)); 1263 } 1264 1265 if (stImage->pt) { 1266 st_texture_image_unmap(st, stImage); 1267 texImage->Data = NULL; 1268 } 1269} 1270 1271 1272static void 1273st_CompressedTexSubImage3D(GLcontext *ctx, GLenum target, GLint level, 1274 GLint xoffset, GLint yoffset, GLint zoffset, 1275 GLsizei width, GLint height, GLint depth, 1276 GLenum format, 1277 GLsizei imageSize, const GLvoid *data, 1278 struct gl_texture_object *texObj, 1279 struct gl_texture_image *texImage) 1280{ 1281 assert(0); 1282} 1283 1284 1285 1286/** 1287 * Do a CopyTexSubImage operation using a read transfer from the source, 1288 * a write transfer to the destination and get_tile()/put_tile() to access 1289 * the pixels/texels. 1290 * 1291 * Note: srcY=0=TOP of renderbuffer 1292 */ 1293static void 1294fallback_copy_texsubimage(GLcontext *ctx, GLenum target, GLint level, 1295 struct st_renderbuffer *strb, 1296 struct st_texture_image *stImage, 1297 GLenum baseFormat, 1298 GLint destX, GLint destY, GLint destZ, 1299 GLint srcX, GLint srcY, 1300 GLsizei width, GLsizei height) 1301{ 1302 struct st_context *st = st_context(ctx); 1303 struct pipe_context *pipe = st->pipe; 1304 struct pipe_transfer *src_trans; 1305 GLvoid *texDest; 1306 enum pipe_transfer_usage transfer_usage; 1307 1308 if (ST_DEBUG & DEBUG_FALLBACK) 1309 debug_printf("%s: fallback processing\n", __FUNCTION__); 1310 1311 assert(width <= MAX_WIDTH); 1312 1313 if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) { 1314 srcY = strb->Base.Height - srcY - height; 1315 } 1316 1317 src_trans = pipe_get_transfer(st_context(ctx)->pipe, 1318 strb->texture, 1319 0, 0, 0, 1320 PIPE_TRANSFER_READ, 1321 srcX, srcY, 1322 width, height); 1323 1324 if ((baseFormat == GL_DEPTH_COMPONENT || 1325 baseFormat == GL_DEPTH_STENCIL) && 1326 util_format_is_depth_and_stencil(stImage->pt->format)) 1327 transfer_usage = PIPE_TRANSFER_READ_WRITE; 1328 else 1329 transfer_usage = PIPE_TRANSFER_WRITE; 1330 1331 texDest = st_texture_image_map(st, stImage, 0, transfer_usage, 1332 destX, destY, width, height); 1333 1334 if (baseFormat == GL_DEPTH_COMPONENT || 1335 baseFormat == GL_DEPTH_STENCIL) { 1336 const GLboolean scaleOrBias = (ctx->Pixel.DepthScale != 1.0F || 1337 ctx->Pixel.DepthBias != 0.0F); 1338 GLint row, yStep; 1339 1340 /* determine bottom-to-top vs. top-to-bottom order for src buffer */ 1341 if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) { 1342 srcY = height - 1; 1343 yStep = -1; 1344 } 1345 else { 1346 srcY = 0; 1347 yStep = 1; 1348 } 1349 1350 /* To avoid a large temp memory allocation, do copy row by row */ 1351 for (row = 0; row < height; row++, srcY += yStep) { 1352 uint data[MAX_WIDTH]; 1353 pipe_get_tile_z(pipe, src_trans, 0, srcY, width, 1, data); 1354 if (scaleOrBias) { 1355 _mesa_scale_and_bias_depth_uint(ctx, width, data); 1356 } 1357 pipe_put_tile_z(pipe, stImage->transfer, 0, row, width, 1, data); 1358 } 1359 } 1360 else { 1361 /* RGBA format */ 1362 GLfloat *tempSrc = 1363 (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat)); 1364 1365 if (tempSrc && texDest) { 1366 const GLint dims = 2; 1367 const GLint dstRowStride = stImage->transfer->stride; 1368 struct gl_texture_image *texImage = &stImage->base; 1369 struct gl_pixelstore_attrib unpack = ctx->DefaultPacking; 1370 1371 if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) { 1372 unpack.Invert = GL_TRUE; 1373 } 1374 1375 /* get float/RGBA image from framebuffer */ 1376 /* XXX this usually involves a lot of int/float conversion. 1377 * try to avoid that someday. 1378 */ 1379 pipe_get_tile_rgba(pipe, src_trans, 0, 0, width, height, tempSrc); 1380 1381 /* Store into texture memory. 1382 * Note that this does some special things such as pixel transfer 1383 * ops and format conversion. In particular, if the dest tex format 1384 * is actually RGBA but the user created the texture as GL_RGB we 1385 * need to fill-in/override the alpha channel with 1.0. 1386 */ 1387 _mesa_texstore(ctx, dims, 1388 texImage->_BaseFormat, 1389 texImage->TexFormat, 1390 texDest, 1391 0, 0, 0, 1392 dstRowStride, 1393 texImage->ImageOffsets, 1394 width, height, 1, 1395 GL_RGBA, GL_FLOAT, tempSrc, /* src */ 1396 &unpack); 1397 } 1398 else { 1399 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage"); 1400 } 1401 1402 if (tempSrc) 1403 free(tempSrc); 1404 } 1405 1406 st_texture_image_unmap(st, stImage); 1407 pipe->transfer_destroy(pipe, src_trans); 1408} 1409 1410 1411 1412/** 1413 * If the format of the src renderbuffer and the format of the dest 1414 * texture are compatible (in terms of blitting), return a TGSI writemask 1415 * to be used during the blit. 1416 * If the src/dest are incompatible, return 0. 1417 */ 1418static unsigned 1419compatible_src_dst_formats(GLcontext *ctx, 1420 const struct gl_renderbuffer *src, 1421 const struct gl_texture_image *dst) 1422{ 1423 /* Get logical base formats for the src and dest. 1424 * That is, use the user-requested formats and not the actual, device- 1425 * chosen formats. 1426 * For example, the user may have requested an A8 texture but the 1427 * driver may actually be using an RGBA texture format. When we 1428 * copy/blit to that texture, we only want to copy the Alpha channel 1429 * and not the RGB channels. 1430 * 1431 * Similarly, when the src FBO was created an RGB format may have been 1432 * requested but the driver actually chose an RGBA format. In that case, 1433 * we don't want to copy the undefined Alpha channel to the dest texture 1434 * (it should be 1.0). 1435 */ 1436 const GLenum srcFormat = _mesa_base_fbo_format(ctx, src->InternalFormat); 1437 const GLenum dstFormat = _mesa_base_tex_format(ctx, dst->InternalFormat); 1438 1439 /** 1440 * XXX when we have red-only and red/green renderbuffers we'll need 1441 * to add more cases here (or implement a general-purpose routine that 1442 * queries the existance of the R,G,B,A channels in the src and dest). 1443 */ 1444 if (srcFormat == dstFormat) { 1445 /* This is the same as matching_base_formats, which should 1446 * always pass, as it did previously. 1447 */ 1448 return TGSI_WRITEMASK_XYZW; 1449 } 1450 else if (srcFormat == GL_RGB && dstFormat == GL_RGBA) { 1451 /* Make sure that A in the dest is 1. The actual src format 1452 * may be RGBA and have undefined A values. 1453 */ 1454 return TGSI_WRITEMASK_XYZ; 1455 } 1456 else if (srcFormat == GL_RGBA && dstFormat == GL_RGB) { 1457 /* Make sure that A in the dest is 1. The actual dst format 1458 * may be RGBA and will need A=1 to provide proper alpha values 1459 * when sampled later. 1460 */ 1461 return TGSI_WRITEMASK_XYZ; 1462 } 1463 else { 1464 if (ST_DEBUG & DEBUG_FALLBACK) 1465 debug_printf("%s failed for src %s, dst %s\n", 1466 __FUNCTION__, 1467 _mesa_lookup_enum_by_nr(srcFormat), 1468 _mesa_lookup_enum_by_nr(dstFormat)); 1469 1470 /* Otherwise fail. 1471 */ 1472 return 0; 1473 } 1474} 1475 1476 1477 1478/** 1479 * Do a CopyTex[Sub]Image1/2/3D() using a hardware (blit) path if possible. 1480 * Note that the region to copy has already been clipped so we know we 1481 * won't read from outside the source renderbuffer's bounds. 1482 * 1483 * Note: srcY=0=Bottom of renderbuffer (GL convention) 1484 */ 1485static void 1486st_copy_texsubimage(GLcontext *ctx, 1487 GLenum target, GLint level, 1488 GLint destX, GLint destY, GLint destZ, 1489 GLint srcX, GLint srcY, 1490 GLsizei width, GLsizei height) 1491{ 1492 struct gl_texture_unit *texUnit = 1493 &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; 1494 struct gl_texture_object *texObj = 1495 _mesa_select_tex_object(ctx, texUnit, target); 1496 struct gl_texture_image *texImage = 1497 _mesa_select_tex_image(ctx, texObj, target, level); 1498 struct st_texture_image *stImage = st_texture_image(texImage); 1499 const GLenum texBaseFormat = texImage->_BaseFormat; 1500 struct gl_framebuffer *fb = ctx->ReadBuffer; 1501 struct st_renderbuffer *strb; 1502 struct st_context *st = st_context(ctx); 1503 struct pipe_context *pipe = st->pipe; 1504 struct pipe_screen *screen = pipe->screen; 1505 enum pipe_format dest_format, src_format; 1506 GLboolean use_fallback = GL_TRUE; 1507 GLboolean matching_base_formats; 1508 GLuint format_writemask, sample_count; 1509 struct pipe_surface *dest_surface = NULL; 1510 GLboolean do_flip = (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP); 1511 1512 /* make sure finalize_textures has been called? 1513 */ 1514 if (0) st_validate_state(st); 1515 1516 /* determine if copying depth or color data */ 1517 if (texBaseFormat == GL_DEPTH_COMPONENT || 1518 texBaseFormat == GL_DEPTH_STENCIL) { 1519 strb = st_renderbuffer(fb->_DepthBuffer); 1520 } 1521 else { 1522 /* texBaseFormat == GL_RGB, GL_RGBA, GL_ALPHA, etc */ 1523 strb = st_renderbuffer(fb->_ColorReadBuffer); 1524 } 1525 1526 if (!strb || !strb->surface || !stImage->pt) { 1527 debug_printf("%s: null strb or stImage\n", __FUNCTION__); 1528 return; 1529 } 1530 1531 sample_count = strb->surface->texture->nr_samples; 1532 /* I believe this would be legal, presumably would need to do a resolve 1533 for color, and for depth/stencil spec says to just use one of the 1534 depth/stencil samples per pixel? Need some transfer clarifications. */ 1535 assert(sample_count < 2); 1536 1537 if (srcX < 0) { 1538 width -= -srcX; 1539 destX += -srcX; 1540 srcX = 0; 1541 } 1542 1543 if (srcY < 0) { 1544 height -= -srcY; 1545 destY += -srcY; 1546 srcY = 0; 1547 } 1548 1549 if (destX < 0) { 1550 width -= -destX; 1551 srcX += -destX; 1552 destX = 0; 1553 } 1554 1555 if (destY < 0) { 1556 height -= -destY; 1557 srcY += -destY; 1558 destY = 0; 1559 } 1560 1561 if (width < 0 || height < 0) 1562 return; 1563 1564 1565 assert(strb); 1566 assert(strb->surface); 1567 assert(stImage->pt); 1568 1569 src_format = strb->surface->format; 1570 dest_format = stImage->pt->format; 1571 1572 /* 1573 * Determine if the src framebuffer and dest texture have the same 1574 * base format. We need this to detect a case such as the framebuffer 1575 * being GL_RGBA but the texture being GL_RGB. If the actual hardware 1576 * texture format stores RGBA we need to set A=1 (overriding the 1577 * framebuffer's alpha values). We can't do that with the blit or 1578 * textured-quad paths. 1579 */ 1580 matching_base_formats = 1581 (_mesa_get_format_base_format(strb->Base.Format) == 1582 _mesa_get_format_base_format(texImage->TexFormat)); 1583 format_writemask = compatible_src_dst_formats(ctx, &strb->Base, texImage); 1584 1585 if (ctx->_ImageTransferState == 0x0) { 1586 1587 if (matching_base_formats && 1588 src_format == dest_format && 1589 !do_flip) 1590 { 1591 /* use surface_copy() / blit */ 1592 struct pipe_subresource subdst, subsrc; 1593 subdst.face = stImage->face; 1594 subdst.level = stImage->level; 1595 subsrc.face = strb->surface->face; 1596 subsrc.level = strb->surface->level; 1597 1598 /* for resource_copy_region(), y=0=top, always */ 1599 pipe->resource_copy_region(pipe, 1600 /* dest */ 1601 stImage->pt, 1602 subdst, 1603 destX, destY, destZ, 1604 /* src */ 1605 strb->texture, 1606 subsrc, 1607 srcX, srcY, strb->surface->zslice, 1608 /* size */ 1609 width, height); 1610 use_fallback = GL_FALSE; 1611 } 1612 else if (format_writemask && 1613 texBaseFormat != GL_DEPTH_COMPONENT && 1614 texBaseFormat != GL_DEPTH_STENCIL && 1615 screen->is_format_supported(screen, src_format, 1616 PIPE_TEXTURE_2D, sample_count, 1617 PIPE_BIND_SAMPLER_VIEW, 1618 0) && 1619 screen->is_format_supported(screen, dest_format, 1620 PIPE_TEXTURE_2D, 0, 1621 PIPE_BIND_RENDER_TARGET, 1622 0)) { 1623 /* draw textured quad to do the copy */ 1624 GLint srcY0, srcY1; 1625 struct pipe_subresource subsrc; 1626 1627 dest_surface = screen->get_tex_surface(screen, stImage->pt, 1628 stImage->face, stImage->level, 1629 destZ, 1630 PIPE_BIND_RENDER_TARGET); 1631 1632 if (do_flip) { 1633 srcY1 = strb->Base.Height - srcY - height; 1634 srcY0 = srcY1 + height; 1635 } 1636 else { 1637 srcY0 = srcY; 1638 srcY1 = srcY0 + height; 1639 } 1640 subsrc.face = strb->surface->face; 1641 subsrc.level = strb->surface->level; 1642 1643 util_blit_pixels_writemask(st->blit, 1644 strb->texture, 1645 subsrc, 1646 srcX, srcY0, 1647 srcX + width, srcY1, 1648 strb->surface->zslice, 1649 dest_surface, 1650 destX, destY, 1651 destX + width, destY + height, 1652 0.0, PIPE_TEX_MIPFILTER_NEAREST, 1653 format_writemask); 1654 use_fallback = GL_FALSE; 1655 } 1656 1657 if (dest_surface) 1658 pipe_surface_reference(&dest_surface, NULL); 1659 } 1660 1661 if (use_fallback) { 1662 /* software fallback */ 1663 fallback_copy_texsubimage(ctx, target, level, 1664 strb, stImage, texBaseFormat, 1665 destX, destY, destZ, 1666 srcX, srcY, width, height); 1667 } 1668} 1669 1670 1671 1672static void 1673st_CopyTexImage1D(GLcontext * ctx, GLenum target, GLint level, 1674 GLenum internalFormat, 1675 GLint x, GLint y, GLsizei width, GLint border) 1676{ 1677 struct gl_texture_unit *texUnit = 1678 &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; 1679 struct gl_texture_object *texObj = 1680 _mesa_select_tex_object(ctx, texUnit, target); 1681 struct gl_texture_image *texImage = 1682 _mesa_select_tex_image(ctx, texObj, target, level); 1683 1684 /* Setup or redefine the texture object, texture and texture 1685 * image. Don't populate yet. 1686 */ 1687 ctx->Driver.TexImage1D(ctx, target, level, internalFormat, 1688 width, border, 1689 GL_RGBA, CHAN_TYPE, NULL, 1690 &ctx->DefaultPacking, texObj, texImage); 1691 1692 st_copy_texsubimage(ctx, target, level, 1693 0, 0, 0, /* destX,Y,Z */ 1694 x, y, width, 1); /* src X, Y, size */ 1695} 1696 1697 1698static void 1699st_CopyTexImage2D(GLcontext * ctx, GLenum target, GLint level, 1700 GLenum internalFormat, 1701 GLint x, GLint y, GLsizei width, GLsizei height, 1702 GLint border) 1703{ 1704 struct gl_texture_unit *texUnit = 1705 &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; 1706 struct gl_texture_object *texObj = 1707 _mesa_select_tex_object(ctx, texUnit, target); 1708 struct gl_texture_image *texImage = 1709 _mesa_select_tex_image(ctx, texObj, target, level); 1710 1711 /* Setup or redefine the texture object, texture and texture 1712 * image. Don't populate yet. 1713 */ 1714 ctx->Driver.TexImage2D(ctx, target, level, internalFormat, 1715 width, height, border, 1716 GL_RGBA, CHAN_TYPE, NULL, 1717 &ctx->DefaultPacking, texObj, texImage); 1718 1719 st_copy_texsubimage(ctx, target, level, 1720 0, 0, 0, /* destX,Y,Z */ 1721 x, y, width, height); /* src X, Y, size */ 1722} 1723 1724 1725static void 1726st_CopyTexSubImage1D(GLcontext * ctx, GLenum target, GLint level, 1727 GLint xoffset, GLint x, GLint y, GLsizei width) 1728{ 1729 const GLint yoffset = 0, zoffset = 0; 1730 const GLsizei height = 1; 1731 st_copy_texsubimage(ctx, target, level, 1732 xoffset, yoffset, zoffset, /* destX,Y,Z */ 1733 x, y, width, height); /* src X, Y, size */ 1734} 1735 1736 1737static void 1738st_CopyTexSubImage2D(GLcontext * ctx, GLenum target, GLint level, 1739 GLint xoffset, GLint yoffset, 1740 GLint x, GLint y, GLsizei width, GLsizei height) 1741{ 1742 const GLint zoffset = 0; 1743 st_copy_texsubimage(ctx, target, level, 1744 xoffset, yoffset, zoffset, /* destX,Y,Z */ 1745 x, y, width, height); /* src X, Y, size */ 1746} 1747 1748 1749static void 1750st_CopyTexSubImage3D(GLcontext * ctx, GLenum target, GLint level, 1751 GLint xoffset, GLint yoffset, GLint zoffset, 1752 GLint x, GLint y, GLsizei width, GLsizei height) 1753{ 1754 st_copy_texsubimage(ctx, target, level, 1755 xoffset, yoffset, zoffset, /* destX,Y,Z */ 1756 x, y, width, height); /* src X, Y, size */ 1757} 1758 1759 1760/** 1761 * Copy image data from stImage into the texture object 'stObj' at level 1762 * 'dstLevel'. 1763 */ 1764static void 1765copy_image_data_to_texture(struct st_context *st, 1766 struct st_texture_object *stObj, 1767 GLuint dstLevel, 1768 struct st_texture_image *stImage) 1769{ 1770 /* debug checks */ 1771 { 1772 const struct gl_texture_image *dstImage = 1773 stObj->base.Image[stImage->face][stImage->level]; 1774 assert(dstImage); 1775 assert(dstImage->Width == stImage->base.Width); 1776 assert(dstImage->Height == stImage->base.Height); 1777 assert(dstImage->Depth == stImage->base.Depth); 1778 } 1779 1780 if (stImage->pt) { 1781 /* Copy potentially with the blitter: 1782 */ 1783 st_texture_image_copy(st->pipe, 1784 stObj->pt, dstLevel, /* dest texture, level */ 1785 stImage->pt, stImage->level, /* src texture, level */ 1786 stImage->face); 1787 1788 pipe_resource_reference(&stImage->pt, NULL); 1789 } 1790 else if (stImage->base.Data) { 1791 st_texture_image_data(st, 1792 stObj->pt, 1793 stImage->face, 1794 dstLevel, 1795 stImage->base.Data, 1796 stImage->base.RowStride * 1797 util_format_get_blocksize(stObj->pt->format), 1798 stImage->base.RowStride * 1799 stImage->base.Height * 1800 util_format_get_blocksize(stObj->pt->format)); 1801 _mesa_align_free(stImage->base.Data); 1802 stImage->base.Data = NULL; 1803 } 1804 1805 pipe_resource_reference(&stImage->pt, stObj->pt); 1806} 1807 1808 1809/** 1810 * Called during state validation. When this function is finished, 1811 * the texture object should be ready for rendering. 1812 * \return GL_TRUE for success, GL_FALSE for failure (out of mem) 1813 */ 1814GLboolean 1815st_finalize_texture(GLcontext *ctx, 1816 struct pipe_context *pipe, 1817 struct gl_texture_object *tObj) 1818{ 1819 struct st_context *st = st_context(ctx); 1820 struct st_texture_object *stObj = st_texture_object(tObj); 1821 const GLuint nr_faces = (stObj->base.Target == GL_TEXTURE_CUBE_MAP) ? 6 : 1; 1822 GLuint face; 1823 struct st_texture_image *firstImage; 1824 enum pipe_format firstImageFormat; 1825 1826 if (stObj->base._Complete) { 1827 /* The texture is complete and we know exactly how many mipmap levels 1828 * are present/needed. This is conditional because we may be called 1829 * from the st_generate_mipmap() function when the texture object is 1830 * incomplete. In that case, we'll have set stObj->lastLevel before 1831 * we get here. 1832 */ 1833 if (stObj->base.MinFilter == GL_LINEAR || 1834 stObj->base.MinFilter == GL_NEAREST) 1835 stObj->lastLevel = stObj->base.BaseLevel; 1836 else 1837 stObj->lastLevel = stObj->base._MaxLevel; 1838 } 1839 1840 firstImage = st_texture_image(stObj->base.Image[0][stObj->base.BaseLevel]); 1841 assert(firstImage); 1842 1843 /* If both firstImage and stObj point to a texture which can contain 1844 * all active images, favour firstImage. Note that because of the 1845 * completeness requirement, we know that the image dimensions 1846 * will match. 1847 */ 1848 if (firstImage->pt && 1849 firstImage->pt != stObj->pt && 1850 firstImage->pt->last_level >= stObj->lastLevel) { 1851 pipe_resource_reference(&stObj->pt, firstImage->pt); 1852 pipe_sampler_view_reference(&stObj->sampler_view, NULL); 1853 } 1854 1855 /* Find gallium format for the Mesa texture */ 1856 firstImageFormat = st_mesa_format_to_pipe_format(firstImage->base.TexFormat); 1857 1858 /* If we already have a gallium texture, check that it matches the texture 1859 * object's format, target, size, num_levels, etc. 1860 */ 1861 if (stObj->pt) { 1862 if (stObj->pt->target != gl_target_to_pipe(stObj->base.Target) || 1863 !st_sampler_compat_formats(stObj->pt->format, firstImageFormat) || 1864 stObj->pt->last_level < stObj->lastLevel || 1865 stObj->pt->width0 != stObj->width0 || 1866 stObj->pt->height0 != stObj->height0 || 1867 stObj->pt->depth0 != stObj->depth0) 1868 { 1869 /* The gallium texture does not match the Mesa texture so delete the 1870 * gallium texture now. We'll make a new one below. 1871 */ 1872 pipe_resource_reference(&stObj->pt, NULL); 1873 pipe_sampler_view_reference(&stObj->sampler_view, NULL); 1874 st->dirty.st |= ST_NEW_FRAMEBUFFER; 1875 } 1876 } 1877 1878 /* May need to create a new gallium texture: 1879 */ 1880 if (!stObj->pt) { 1881 GLuint bindings = default_bindings(st, firstImageFormat); 1882 1883 stObj->pt = st_texture_create(st, 1884 gl_target_to_pipe(stObj->base.Target), 1885 firstImageFormat, 1886 stObj->lastLevel, 1887 stObj->width0, 1888 stObj->height0, 1889 stObj->depth0, 1890 bindings); 1891 1892 if (!stObj->pt) { 1893 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage"); 1894 return GL_FALSE; 1895 } 1896 } 1897 1898 /* Pull in any images not in the object's texture: 1899 */ 1900 for (face = 0; face < nr_faces; face++) { 1901 GLuint level; 1902 for (level = stObj->base.BaseLevel; level <= stObj->lastLevel; level++) { 1903 struct st_texture_image *stImage = 1904 st_texture_image(stObj->base.Image[face][level]); 1905 1906 /* Need to import images in main memory or held in other textures. 1907 */ 1908 if (stImage && stObj->pt != stImage->pt) { 1909 copy_image_data_to_texture(st, stObj, level, stImage); 1910 } 1911 } 1912 } 1913 1914 return GL_TRUE; 1915} 1916 1917 1918/** 1919 * Returns pointer to a default/dummy texture. 1920 * This is typically used when the current shader has tex/sample instructions 1921 * but the user has not provided a (any) texture(s). 1922 */ 1923struct gl_texture_object * 1924st_get_default_texture(struct st_context *st) 1925{ 1926 if (!st->default_texture) { 1927 static const GLenum target = GL_TEXTURE_2D; 1928 GLubyte pixels[16][16][4]; 1929 struct gl_texture_object *texObj; 1930 struct gl_texture_image *texImg; 1931 GLuint i, j; 1932 1933 /* The ARB_fragment_program spec says (0,0,0,1) should be returned 1934 * when attempting to sample incomplete textures. 1935 */ 1936 for (i = 0; i < 16; i++) { 1937 for (j = 0; j < 16; j++) { 1938 pixels[i][j][0] = 0; 1939 pixels[i][j][1] = 0; 1940 pixels[i][j][2] = 0; 1941 pixels[i][j][3] = 255; 1942 } 1943 } 1944 1945 texObj = st->ctx->Driver.NewTextureObject(st->ctx, 0, target); 1946 1947 texImg = _mesa_get_tex_image(st->ctx, texObj, target, 0); 1948 1949 _mesa_init_teximage_fields(st->ctx, target, texImg, 1950 16, 16, 1, 0, /* w, h, d, border */ 1951 GL_RGBA); 1952 1953 st_TexImage(st->ctx, 2, target, 1954 0, GL_RGBA, /* level, intformat */ 1955 16, 16, 1, 0, /* w, h, d, border */ 1956 GL_RGBA, GL_UNSIGNED_BYTE, pixels, 1957 &st->ctx->DefaultPacking, 1958 texObj, texImg, 1959 0, 0); 1960 1961 texObj->MinFilter = GL_NEAREST; 1962 texObj->MagFilter = GL_NEAREST; 1963 texObj->_Complete = GL_TRUE; 1964 1965 st->default_texture = texObj; 1966 } 1967 return st->default_texture; 1968} 1969 1970 1971void 1972st_init_texture_functions(struct dd_function_table *functions) 1973{ 1974 functions->ChooseTextureFormat = st_ChooseTextureFormat; 1975 functions->TexImage1D = st_TexImage1D; 1976 functions->TexImage2D = st_TexImage2D; 1977 functions->TexImage3D = st_TexImage3D; 1978 functions->TexSubImage1D = st_TexSubImage1D; 1979 functions->TexSubImage2D = st_TexSubImage2D; 1980 functions->TexSubImage3D = st_TexSubImage3D; 1981 functions->CompressedTexSubImage1D = st_CompressedTexSubImage1D; 1982 functions->CompressedTexSubImage2D = st_CompressedTexSubImage2D; 1983 functions->CompressedTexSubImage3D = st_CompressedTexSubImage3D; 1984 functions->CopyTexImage1D = st_CopyTexImage1D; 1985 functions->CopyTexImage2D = st_CopyTexImage2D; 1986 functions->CopyTexSubImage1D = st_CopyTexSubImage1D; 1987 functions->CopyTexSubImage2D = st_CopyTexSubImage2D; 1988 functions->CopyTexSubImage3D = st_CopyTexSubImage3D; 1989 functions->GenerateMipmap = st_generate_mipmap; 1990 1991 functions->GetTexImage = st_GetTexImage; 1992 1993 /* compressed texture functions */ 1994 functions->CompressedTexImage2D = st_CompressedTexImage2D; 1995 functions->GetCompressedTexImage = st_GetCompressedTexImage; 1996 1997 functions->NewTextureObject = st_NewTextureObject; 1998 functions->NewTextureImage = st_NewTextureImage; 1999 functions->DeleteTexture = st_DeleteTextureObject; 2000 functions->FreeTexImageData = st_FreeTextureImageData; 2001 functions->UpdateTexturePalette = 0; 2002 2003 functions->TextureMemCpy = do_memcpy; 2004 2005 /* XXX Temporary until we can query pipe's texture sizes */ 2006 functions->TestProxyTexImage = _mesa_test_proxy_teximage; 2007} 2008