st_cb_texture.c revision 3293bcdc80cdfa20a2381aae2b94505bdf95d857
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 case GL_TEXTURE_RECTANGLE_NV: 78 return PIPE_TEXTURE_2D; 79 80 case GL_TEXTURE_3D: 81 return PIPE_TEXTURE_3D; 82 83 case GL_TEXTURE_CUBE_MAP_ARB: 84 return PIPE_TEXTURE_CUBE; 85 86 default: 87 assert(0); 88 return 0; 89 } 90} 91 92 93/** called via ctx->Driver.NewTextureImage() */ 94static struct gl_texture_image * 95st_NewTextureImage(GLcontext * ctx) 96{ 97 DBG("%s\n", __FUNCTION__); 98 (void) ctx; 99 return (struct gl_texture_image *) ST_CALLOC_STRUCT(st_texture_image); 100} 101 102 103/** called via ctx->Driver.NewTextureObject() */ 104static struct gl_texture_object * 105st_NewTextureObject(GLcontext * ctx, GLuint name, GLenum target) 106{ 107 struct st_texture_object *obj = ST_CALLOC_STRUCT(st_texture_object); 108 109 DBG("%s\n", __FUNCTION__); 110 _mesa_initialize_texture_object(&obj->base, name, target); 111 112 return &obj->base; 113} 114 115/** called via ctx->Driver.DeleteTextureImage() */ 116static void 117st_DeleteTextureObject(GLcontext *ctx, 118 struct gl_texture_object *texObj) 119{ 120 struct st_context *st = st_context(ctx); 121 struct st_texture_object *stObj = st_texture_object(texObj); 122 if (stObj->pt) 123 pipe_resource_reference(&stObj->pt, NULL); 124 if (stObj->sampler_view) { 125 if (stObj->sampler_view->context != st->pipe) { 126 /* Take "ownership" of this texture sampler view by setting 127 * its context pointer to this context. This avoids potential 128 * crashes when the texture object is shared among contexts 129 * and the original/owner context has already been destroyed. 130 */ 131 stObj->sampler_view->context = st->pipe; 132 } 133 pipe_sampler_view_reference(&stObj->sampler_view, NULL); 134 } 135 _mesa_delete_texture_object(ctx, texObj); 136} 137 138 139/** called via ctx->Driver.FreeTexImageData() */ 140static void 141st_FreeTextureImageData(GLcontext * ctx, struct gl_texture_image *texImage) 142{ 143 struct st_texture_image *stImage = st_texture_image(texImage); 144 145 DBG("%s\n", __FUNCTION__); 146 147 if (stImage->pt) { 148 pipe_resource_reference(&stImage->pt, NULL); 149 } 150 151 if (texImage->Data) { 152 _mesa_align_free(texImage->Data); 153 texImage->Data = NULL; 154 } 155} 156 157 158/** 159 * From linux kernel i386 header files, copes with odd sizes better 160 * than COPY_DWORDS would: 161 * XXX Put this in src/mesa/main/imports.h ??? 162 */ 163#if defined(PIPE_CC_GCC) && defined(PIPE_ARCH_X86) 164static INLINE void * 165__memcpy(void *to, const void *from, size_t n) 166{ 167 int d0, d1, d2; 168 __asm__ __volatile__("rep ; movsl\n\t" 169 "testb $2,%b4\n\t" 170 "je 1f\n\t" 171 "movsw\n" 172 "1:\ttestb $1,%b4\n\t" 173 "je 2f\n\t" 174 "movsb\n" "2:":"=&c"(d0), "=&D"(d1), "=&S"(d2) 175 :"0"(n / 4), "q"(n), "1"((long) to), "2"((long) from) 176 :"memory"); 177 return (to); 178} 179#else 180#define __memcpy(a,b,c) memcpy(a,b,c) 181#endif 182 183 184/** 185 * The system memcpy (at least on ubuntu 5.10) has problems copying 186 * to agp (writecombined) memory from a source which isn't 64-byte 187 * aligned - there is a 4x performance falloff. 188 * 189 * The x86 __memcpy is immune to this but is slightly slower 190 * (10%-ish) than the system memcpy. 191 * 192 * The sse_memcpy seems to have a slight cliff at 64/32 bytes, but 193 * isn't much faster than x86_memcpy for agp copies. 194 * 195 * TODO: switch dynamically. 196 */ 197static void * 198do_memcpy(void *dest, const void *src, size_t n) 199{ 200 if ((((unsigned long) src) & 63) || (((unsigned long) dest) & 63)) { 201 return __memcpy(dest, src, n); 202 } 203 else 204 return memcpy(dest, src, n); 205} 206 207 208/** 209 * Return default texture resource binding bitmask for the given format. 210 */ 211static GLuint 212default_bindings(struct st_context *st, enum pipe_format format) 213{ 214 struct pipe_screen *screen = st->pipe->screen; 215 const unsigned target = PIPE_TEXTURE_2D; 216 const unsigned geom = 0x0; 217 unsigned bindings; 218 219 if (util_format_is_depth_or_stencil(format)) 220 bindings = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_DEPTH_STENCIL; 221 else 222 bindings = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET; 223 224 if (screen->is_format_supported(screen, format, target, 0, bindings, geom)) 225 return bindings; 226 else 227 return PIPE_BIND_SAMPLER_VIEW; 228} 229 230 231/** Return number of image dimensions (1, 2 or 3) for a texture target. */ 232static GLuint 233get_texture_dims(GLenum target) 234{ 235 switch (target) { 236 case GL_TEXTURE_1D: 237 case GL_TEXTURE_1D_ARRAY_EXT: 238 return 1; 239 case GL_TEXTURE_2D: 240 case GL_TEXTURE_CUBE_MAP_ARB: 241 case GL_TEXTURE_RECTANGLE_NV: 242 case GL_TEXTURE_2D_ARRAY_EXT: 243 return 2; 244 case GL_TEXTURE_3D: 245 return 3; 246 default: 247 assert(0 && "invalid texture target in get_texture_dims()"); 248 return 1; 249 } 250} 251 252 253/** 254 * Try to allocate a pipe_resource object for the given st_texture_object. 255 * 256 * We use the given st_texture_image as a clue to determine the size of the 257 * mipmap image at level=0. 258 * 259 * \return GL_TRUE for success, GL_FALSE if out of memory. 260 */ 261static GLboolean 262guess_and_alloc_texture(struct st_context *st, 263 struct st_texture_object *stObj, 264 const struct st_texture_image *stImage) 265{ 266 const GLuint dims = get_texture_dims(stObj->base.Target); 267 GLuint level, lastLevel, width, height, depth; 268 GLuint bindings; 269 enum pipe_format fmt; 270 271 DBG("%s\n", __FUNCTION__); 272 273 assert(!stObj->pt); 274 275 level = stImage->level; 276 width = stImage->base.Width2; /* size w/out border */ 277 height = stImage->base.Height2; 278 depth = stImage->base.Depth2; 279 280 assert(width > 0); 281 assert(height > 0); 282 assert(depth > 0); 283 284 /* Depending on the image's size, we can't always make a guess here. 285 */ 286 if (level > 0) { 287 if ( (dims >= 1 && width == 1) || 288 (dims >= 2 && height == 1) || 289 (dims >= 3 && depth == 1) ) { 290 /* we can't determine the image size at level=0 */ 291 stObj->width0 = stObj->height0 = stObj->depth0 = 0; 292 /* this is not an out of memory error */ 293 return GL_TRUE; 294 } 295 } 296 297 /* grow the image size until we hit level = 0 */ 298 while (level > 0) { 299 if (width != 1) 300 width <<= 1; 301 if (height != 1) 302 height <<= 1; 303 if (depth != 1) 304 depth <<= 1; 305 level--; 306 } 307 308 assert(level == 0); 309 310 /* At this point, (width x height x depth) is the expected size of 311 * the level=0 mipmap image. 312 */ 313 314 /* Guess a reasonable value for lastLevel. With OpenGL we have no 315 * idea how many mipmap levels will be in a texture until we start 316 * to render with it. Make an educated guess here but be prepared 317 * to re-allocating a texture buffer with space for more (or fewer) 318 * mipmap levels later. 319 */ 320 if ((stObj->base.MinFilter == GL_NEAREST || 321 stObj->base.MinFilter == GL_LINEAR || 322 stImage->base._BaseFormat == GL_DEPTH_COMPONENT || 323 stImage->base._BaseFormat == GL_DEPTH_STENCIL_EXT) && 324 !stObj->base.GenerateMipmap && 325 stImage->level == 0) { 326 /* only alloc space for a single mipmap level */ 327 lastLevel = 0; 328 } 329 else { 330 /* alloc space for a full mipmap */ 331 GLuint l2width = util_logbase2(width); 332 GLuint l2height = util_logbase2(height); 333 GLuint l2depth = util_logbase2(depth); 334 lastLevel = MAX2(MAX2(l2width, l2height), l2depth); 335 } 336 337 /* Save the level=0 dimensions */ 338 stObj->width0 = width; 339 stObj->height0 = height; 340 stObj->depth0 = depth; 341 342 fmt = st_mesa_format_to_pipe_format(stImage->base.TexFormat); 343 344 bindings = default_bindings(st, fmt); 345 346 stObj->pt = st_texture_create(st, 347 gl_target_to_pipe(stObj->base.Target), 348 fmt, 349 lastLevel, 350 width, 351 height, 352 depth, 353 bindings); 354 355 DBG("%s returning %d\n", __FUNCTION__, (stObj->pt != NULL)); 356 357 return stObj->pt != NULL; 358} 359 360 361/** 362 * Adjust pixel unpack params and image dimensions to strip off the 363 * texture border. 364 * Gallium doesn't support texture borders. They've seldem been used 365 * and seldom been implemented correctly anyway. 366 * \param unpackNew returns the new pixel unpack parameters 367 */ 368static void 369strip_texture_border(GLint border, 370 GLint *width, GLint *height, GLint *depth, 371 const struct gl_pixelstore_attrib *unpack, 372 struct gl_pixelstore_attrib *unpackNew) 373{ 374 assert(border > 0); /* sanity check */ 375 376 *unpackNew = *unpack; 377 378 if (unpackNew->RowLength == 0) 379 unpackNew->RowLength = *width; 380 381 if (depth && unpackNew->ImageHeight == 0) 382 unpackNew->ImageHeight = *height; 383 384 unpackNew->SkipPixels += border; 385 if (height) 386 unpackNew->SkipRows += border; 387 if (depth) 388 unpackNew->SkipImages += border; 389 390 assert(*width >= 3); 391 *width = *width - 2 * border; 392 if (height && *height >= 3) 393 *height = *height - 2 * border; 394 if (depth && *depth >= 3) 395 *depth = *depth - 2 * border; 396} 397 398 399/** 400 * Try to do texture compression via rendering. If the Gallium driver 401 * can render into a compressed surface this will allow us to do texture 402 * compression. 403 * \return GL_TRUE for success, GL_FALSE for failure 404 */ 405static GLboolean 406compress_with_blit(GLcontext * ctx, 407 GLenum target, GLint level, 408 GLint xoffset, GLint yoffset, GLint zoffset, 409 GLint width, GLint height, GLint depth, 410 GLenum format, GLenum type, const void *pixels, 411 const struct gl_pixelstore_attrib *unpack, 412 struct gl_texture_image *texImage) 413{ 414 const GLuint dstImageOffsets[1] = {0}; 415 struct st_texture_image *stImage = st_texture_image(texImage); 416 struct st_context *st = st_context(ctx); 417 struct pipe_context *pipe = st->pipe; 418 struct pipe_screen *screen = pipe->screen; 419 gl_format mesa_format; 420 struct pipe_resource templ; 421 struct pipe_resource *src_tex; 422 struct pipe_sampler_view view_templ; 423 struct pipe_sampler_view *src_view; 424 struct pipe_surface *dst_surface; 425 struct pipe_transfer *tex_xfer; 426 void *map; 427 428 if (!stImage->pt) { 429 /* XXX: Can this happen? Should we assert? */ 430 return GL_FALSE; 431 } 432 433 /* get destination surface (in the compressed texture) */ 434 dst_surface = screen->get_tex_surface(screen, stImage->pt, 435 stImage->face, stImage->level, 0, 436 0 /* flags */); 437 if (!dst_surface) { 438 /* can't render into this format (or other problem) */ 439 return GL_FALSE; 440 } 441 442 /* Choose format for the temporary RGBA texture image. 443 */ 444 mesa_format = st_ChooseTextureFormat(ctx, GL_RGBA, format, type); 445 assert(mesa_format); 446 if (!mesa_format) 447 return GL_FALSE; 448 449 /* Create the temporary source texture 450 */ 451 memset(&templ, 0, sizeof(templ)); 452 templ.target = PIPE_TEXTURE_2D; 453 templ.format = st_mesa_format_to_pipe_format(mesa_format); 454 templ.width0 = width; 455 templ.height0 = height; 456 templ.depth0 = 1; 457 templ.last_level = 0; 458 templ.usage = PIPE_USAGE_DEFAULT; 459 templ.bind = PIPE_BIND_SAMPLER_VIEW; 460 src_tex = screen->resource_create(screen, &templ); 461 462 if (!src_tex) 463 return GL_FALSE; 464 465 /* Put user's tex data into the temporary texture 466 */ 467 tex_xfer = pipe_get_transfer(st_context(ctx)->pipe, src_tex, 468 0, 0, 0, /* face, level are zero */ 469 PIPE_TRANSFER_WRITE, 470 0, 0, width, height); /* x, y, w, h */ 471 map = pipe_transfer_map(pipe, tex_xfer); 472 473 _mesa_texstore(ctx, 2, GL_RGBA, mesa_format, 474 map, /* dest ptr */ 475 0, 0, 0, /* dest x/y/z offset */ 476 tex_xfer->stride, /* dest row stride (bytes) */ 477 dstImageOffsets, /* image offsets (for 3D only) */ 478 width, height, 1, /* size */ 479 format, type, /* source format/type */ 480 pixels, /* source data */ 481 unpack); /* source data packing */ 482 483 pipe_transfer_unmap(pipe, tex_xfer); 484 pipe->transfer_destroy(pipe, tex_xfer); 485 486 /* Create temporary sampler view */ 487 u_sampler_view_default_template(&view_templ, 488 src_tex, 489 src_tex->format); 490 src_view = pipe->create_sampler_view(pipe, src_tex, &view_templ); 491 492 493 /* copy / compress image */ 494 util_blit_pixels_tex(st->blit, 495 src_view, /* sampler view (src) */ 496 0, 0, /* src x0, y0 */ 497 width, height, /* src x1, y1 */ 498 dst_surface, /* pipe_surface (dst) */ 499 xoffset, yoffset, /* dst x0, y0 */ 500 xoffset + width, /* dst x1 */ 501 yoffset + height, /* dst y1 */ 502 0.0, /* z */ 503 PIPE_TEX_MIPFILTER_NEAREST); 504 505 pipe_surface_reference(&dst_surface, NULL); 506 pipe_resource_reference(&src_tex, NULL); 507 pipe_sampler_view_reference(&src_view, NULL); 508 509 return GL_TRUE; 510} 511 512 513/** 514 * Do glTexImage1/2/3D(). 515 */ 516static void 517st_TexImage(GLcontext * ctx, 518 GLint dims, 519 GLenum target, GLint level, 520 GLint internalFormat, 521 GLint width, GLint height, GLint depth, 522 GLint border, 523 GLenum format, GLenum type, const void *pixels, 524 const struct gl_pixelstore_attrib *unpack, 525 struct gl_texture_object *texObj, 526 struct gl_texture_image *texImage, 527 GLsizei imageSize, GLboolean compressed_src) 528{ 529 struct st_context *st = st_context(ctx); 530 struct pipe_screen *screen = st->pipe->screen; 531 struct st_texture_object *stObj = st_texture_object(texObj); 532 struct st_texture_image *stImage = st_texture_image(texImage); 533 GLuint dstRowStride = 0; 534 struct gl_pixelstore_attrib unpackNB; 535 enum pipe_transfer_usage transfer_usage = 0; 536 537 DBG("%s target %s level %d %dx%dx%d border %d\n", __FUNCTION__, 538 _mesa_lookup_enum_by_nr(target), level, width, height, depth, border); 539 540 /* The Mesa/Gallium state tracker does not implement the imaging extensions 541 * such as convolution. 542 */ 543 assert(!ctx->Extensions.ARB_imaging); 544 assert(!ctx->Extensions.EXT_convolution); 545 546 /* switch to "normal" */ 547 if (stObj->surface_based) { 548 _mesa_clear_texture_object(ctx, texObj); 549 stObj->surface_based = GL_FALSE; 550 } 551 552 /* gallium does not support texture borders, strip it off */ 553 if (border) { 554 strip_texture_border(border, &width, &height, &depth, unpack, &unpackNB); 555 unpack = &unpackNB; 556 texImage->Width = width; 557 texImage->Height = height; 558 texImage->Depth = depth; 559 texImage->Border = 0; 560 border = 0; 561 } 562 else { 563 assert(texImage->Width == width); 564 assert(texImage->Height == height); 565 assert(texImage->Depth == depth); 566 } 567 568 stImage->face = _mesa_tex_target_to_face(target); 569 stImage->level = level; 570 571 _mesa_set_fetch_functions(texImage, dims); 572 573 /* Release the reference to a potentially orphaned buffer. 574 * Release any old malloced memory. 575 */ 576 if (stImage->pt) { 577 pipe_resource_reference(&stImage->pt, NULL); 578 assert(!texImage->Data); 579 } 580 else if (texImage->Data) { 581 _mesa_align_free(texImage->Data); 582 } 583 584 /* 585 * See if the new image is somehow incompatible with the existing 586 * mipmap. If so, free the old mipmap. 587 */ 588 if (stObj->pt) { 589 if (level > (GLint) stObj->pt->last_level || 590 !st_texture_match_image(stObj->pt, &stImage->base, 591 stImage->face, stImage->level)) { 592 DBG("release it\n"); 593 pipe_resource_reference(&stObj->pt, NULL); 594 assert(!stObj->pt); 595 pipe_sampler_view_reference(&stObj->sampler_view, NULL); 596 } 597 } 598 599 if (width == 0 || height == 0 || depth == 0) { 600 /* stop after freeing old image */ 601 return; 602 } 603 604 if (!stObj->pt) { 605 if (!guess_and_alloc_texture(st, stObj, stImage)) { 606 /* Probably out of memory. 607 * Try flushing any pending rendering, then retry. 608 */ 609 st_finish(st); 610 if (!guess_and_alloc_texture(st, stObj, stImage)) { 611 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage"); 612 return; 613 } 614 } 615 } 616 617 assert(!stImage->pt); 618 619 /* Check if this texture image can live inside the texture object's buffer. 620 * If so, store the image there. Otherwise the image will temporarily live 621 * in its own buffer. 622 */ 623 if (stObj->pt && 624 st_texture_match_image(stObj->pt, &stImage->base, 625 stImage->face, stImage->level)) { 626 627 pipe_resource_reference(&stImage->pt, stObj->pt); 628 assert(stImage->pt); 629 } 630 631 if (!stImage->pt) 632 DBG("XXX: Image did not fit into texture - storing in local memory!\n"); 633 634 /* Pixel data may come from regular user memory or a PBO. For the later, 635 * do bounds checking and map the PBO to read pixels data from it. 636 * 637 * XXX we should try to use a GPU-accelerated path to copy the image data 638 * from the PBO to the texture. 639 */ 640 if (compressed_src) { 641 pixels = _mesa_validate_pbo_compressed_teximage(ctx, imageSize, pixels, 642 unpack, 643 "glCompressedTexImage"); 644 } 645 else { 646 pixels = _mesa_validate_pbo_teximage(ctx, dims, width, height, 1, 647 format, type, 648 pixels, unpack, "glTexImage"); 649 } 650 651 /* See if we can do texture compression with a blit/render. 652 */ 653 if (!compressed_src && 654 !ctx->Mesa_DXTn && 655 _mesa_is_format_compressed(texImage->TexFormat) && 656 screen->is_format_supported(screen, 657 stImage->pt->format, 658 stImage->pt->target, 0, 659 PIPE_BIND_RENDER_TARGET, 0)) { 660 if (!pixels) 661 goto done; 662 663 if (compress_with_blit(ctx, target, level, 0, 0, 0, width, height, depth, 664 format, type, pixels, unpack, texImage)) { 665 goto done; 666 } 667 } 668 669 /* 670 * Prepare to store the texture data. Either map the gallium texture buffer 671 * memory or malloc space for it. 672 */ 673 if (stImage->pt) { 674 /* Store the image in the gallium texture memory buffer */ 675 if (format == GL_DEPTH_COMPONENT && 676 util_format_is_depth_and_stencil(stImage->pt->format)) 677 transfer_usage = PIPE_TRANSFER_READ_WRITE; 678 else 679 transfer_usage = PIPE_TRANSFER_WRITE; 680 681 texImage->Data = st_texture_image_map(st, stImage, 0, 682 transfer_usage, 0, 0, width, height); 683 if(stImage->transfer) 684 dstRowStride = stImage->transfer->stride; 685 } 686 else { 687 /* Allocate regular memory and store the image there temporarily. */ 688 GLuint imageSize = _mesa_format_image_size(texImage->TexFormat, 689 width, height, depth); 690 dstRowStride = _mesa_format_row_stride(texImage->TexFormat, width); 691 692 texImage->Data = _mesa_align_malloc(imageSize, 16); 693 } 694 695 if (!texImage->Data) { 696 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage"); 697 return; 698 } 699 700 if (!pixels) { 701 /* We've allocated texture memory, but have no pixel data - all done. */ 702 goto done; 703 } 704 705 DBG("Upload image %dx%dx%d row_len %x pitch %x\n", 706 width, height, depth, width, dstRowStride); 707 708 /* Copy user texture image into the texture buffer. 709 */ 710 if (compressed_src) { 711 const GLuint srcRowStride = 712 _mesa_format_row_stride(texImage->TexFormat, width); 713 if (dstRowStride == srcRowStride) { 714 memcpy(texImage->Data, pixels, imageSize); 715 } 716 else { 717 char *dst = texImage->Data; 718 const char *src = pixels; 719 GLuint i, bw, bh, lines; 720 _mesa_get_format_block_size(texImage->TexFormat, &bw, &bh); 721 lines = (height + bh - 1) / bh; 722 723 for (i = 0; i < lines; ++i) { 724 memcpy(dst, src, srcRowStride); 725 dst += dstRowStride; 726 src += srcRowStride; 727 } 728 } 729 } 730 else { 731 const GLuint srcImageStride = 732 _mesa_image_image_stride(unpack, width, height, format, type); 733 GLint i; 734 const GLubyte *src = (const GLubyte *) pixels; 735 736 for (i = 0; i < depth; i++) { 737 if (!_mesa_texstore(ctx, dims, 738 texImage->_BaseFormat, 739 texImage->TexFormat, 740 texImage->Data, 741 0, 0, 0, /* dstX/Y/Zoffset */ 742 dstRowStride, 743 texImage->ImageOffsets, 744 width, height, 1, 745 format, type, src, unpack)) { 746 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage"); 747 } 748 749 if (stImage->pt && i + 1 < depth) { 750 /* unmap this slice */ 751 st_texture_image_unmap(st, stImage); 752 /* map next slice of 3D texture */ 753 texImage->Data = st_texture_image_map(st, stImage, i + 1, 754 transfer_usage, 0, 0, 755 width, height); 756 src += srcImageStride; 757 } 758 } 759 } 760 761done: 762 _mesa_unmap_teximage_pbo(ctx, unpack); 763 764 if (stImage->pt && texImage->Data) { 765 st_texture_image_unmap(st, stImage); 766 texImage->Data = NULL; 767 } 768} 769 770 771static void 772st_TexImage3D(GLcontext * ctx, 773 GLenum target, GLint level, 774 GLint internalFormat, 775 GLint width, GLint height, GLint depth, 776 GLint border, 777 GLenum format, GLenum type, const void *pixels, 778 const struct gl_pixelstore_attrib *unpack, 779 struct gl_texture_object *texObj, 780 struct gl_texture_image *texImage) 781{ 782 st_TexImage(ctx, 3, target, level, internalFormat, width, height, depth, 783 border, format, type, pixels, unpack, texObj, texImage, 784 0, GL_FALSE); 785} 786 787 788static void 789st_TexImage2D(GLcontext * ctx, 790 GLenum target, GLint level, 791 GLint internalFormat, 792 GLint width, GLint height, GLint border, 793 GLenum format, GLenum type, const void *pixels, 794 const struct gl_pixelstore_attrib *unpack, 795 struct gl_texture_object *texObj, 796 struct gl_texture_image *texImage) 797{ 798 st_TexImage(ctx, 2, target, level, internalFormat, width, height, 1, border, 799 format, type, pixels, unpack, texObj, texImage, 0, GL_FALSE); 800} 801 802 803static void 804st_TexImage1D(GLcontext * ctx, 805 GLenum target, GLint level, 806 GLint internalFormat, 807 GLint width, GLint border, 808 GLenum format, GLenum type, const void *pixels, 809 const struct gl_pixelstore_attrib *unpack, 810 struct gl_texture_object *texObj, 811 struct gl_texture_image *texImage) 812{ 813 st_TexImage(ctx, 1, target, level, internalFormat, width, 1, 1, border, 814 format, type, pixels, unpack, texObj, texImage, 0, GL_FALSE); 815} 816 817 818static void 819st_CompressedTexImage2D(GLcontext *ctx, GLenum target, GLint level, 820 GLint internalFormat, 821 GLint width, GLint height, GLint border, 822 GLsizei imageSize, const GLvoid *data, 823 struct gl_texture_object *texObj, 824 struct gl_texture_image *texImage) 825{ 826 st_TexImage(ctx, 2, target, level, internalFormat, width, height, 1, border, 827 0, 0, data, &ctx->Unpack, texObj, texImage, imageSize, GL_TRUE); 828} 829 830 831 832/** 833 * glGetTexImage() helper: decompress a compressed texture by rendering 834 * a textured quad. Store the results in the user's buffer. 835 */ 836static void 837decompress_with_blit(GLcontext * ctx, GLenum target, GLint level, 838 GLenum format, GLenum type, GLvoid *pixels, 839 struct gl_texture_object *texObj, 840 struct gl_texture_image *texImage) 841{ 842 struct st_context *st = st_context(ctx); 843 struct pipe_context *pipe = st->pipe; 844 struct pipe_screen *screen = pipe->screen; 845 struct st_texture_image *stImage = st_texture_image(texImage); 846 struct st_texture_object *stObj = st_texture_object(texObj); 847 struct pipe_sampler_view *src_view = 848 st_get_texture_sampler_view(stObj, pipe); 849 const GLuint width = texImage->Width; 850 const GLuint height = texImage->Height; 851 struct pipe_surface *dst_surface; 852 struct pipe_resource *dst_texture; 853 struct pipe_transfer *tex_xfer; 854 unsigned bind = (PIPE_BIND_RENDER_TARGET | /* util_blit may choose to render */ 855 PIPE_BIND_TRANSFER_READ); 856 857 /* create temp / dest surface */ 858 if (!util_create_rgba_surface(screen, width, height, bind, 859 &dst_texture, &dst_surface)) { 860 _mesa_problem(ctx, "util_create_rgba_surface() failed " 861 "in decompress_with_blit()"); 862 return; 863 } 864 865 /* blit/render/decompress */ 866 util_blit_pixels_tex(st->blit, 867 src_view, /* pipe_resource (src) */ 868 0, 0, /* src x0, y0 */ 869 width, height, /* src x1, y1 */ 870 dst_surface, /* pipe_surface (dst) */ 871 0, 0, /* dst x0, y0 */ 872 width, height, /* dst x1, y1 */ 873 0.0, /* z */ 874 PIPE_TEX_MIPFILTER_NEAREST); 875 876 /* map the dst_surface so we can read from it */ 877 tex_xfer = pipe_get_transfer(st_context(ctx)->pipe, 878 dst_texture, 0, 0, 0, 879 PIPE_TRANSFER_READ, 880 0, 0, width, height); 881 882 pixels = _mesa_map_pbo_dest(ctx, &ctx->Pack, pixels); 883 884 /* copy/pack data into user buffer */ 885 if (st_equal_formats(stImage->pt->format, format, type)) { 886 /* memcpy */ 887 const uint bytesPerRow = width * util_format_get_blocksize(stImage->pt->format); 888 ubyte *map = pipe_transfer_map(pipe, tex_xfer); 889 GLuint row; 890 for (row = 0; row < height; row++) { 891 GLvoid *dest = _mesa_image_address2d(&ctx->Pack, pixels, width, 892 height, format, type, row, 0); 893 memcpy(dest, map, bytesPerRow); 894 map += tex_xfer->stride; 895 } 896 pipe_transfer_unmap(pipe, tex_xfer); 897 } 898 else { 899 /* format translation via floats */ 900 GLuint row; 901 for (row = 0; row < height; row++) { 902 const GLbitfield transferOps = 0x0; /* bypassed for glGetTexImage() */ 903 GLfloat rgba[4 * MAX_WIDTH]; 904 GLvoid *dest = _mesa_image_address2d(&ctx->Pack, pixels, width, 905 height, format, type, row, 0); 906 907 if (ST_DEBUG & DEBUG_FALLBACK) 908 debug_printf("%s: fallback format translation\n", __FUNCTION__); 909 910 /* get float[4] rgba row from surface */ 911 pipe_get_tile_rgba(pipe, tex_xfer, 0, row, width, 1, rgba); 912 913 _mesa_pack_rgba_span_float(ctx, width, (GLfloat (*)[4]) rgba, format, 914 type, dest, &ctx->Pack, transferOps); 915 } 916 } 917 918 _mesa_unmap_pbo_dest(ctx, &ctx->Pack); 919 920 pipe->transfer_destroy(pipe, tex_xfer); 921 922 /* destroy the temp / dest surface */ 923 util_destroy_rgba_surface(dst_texture, dst_surface); 924} 925 926 927 928/** 929 * Need to map texture image into memory before copying image data, 930 * then unmap it. 931 */ 932static void 933st_get_tex_image(GLcontext * ctx, GLenum target, GLint level, 934 GLenum format, GLenum type, GLvoid * pixels, 935 struct gl_texture_object *texObj, 936 struct gl_texture_image *texImage, GLboolean compressed_dst) 937{ 938 struct st_context *st = st_context(ctx); 939 struct st_texture_image *stImage = st_texture_image(texImage); 940 const GLuint dstImageStride = 941 _mesa_image_image_stride(&ctx->Pack, texImage->Width, texImage->Height, 942 format, type); 943 GLuint depth, i; 944 GLubyte *dest; 945 946 if (stImage->pt && 947 util_format_is_s3tc(stImage->pt->format) && 948 !compressed_dst) { 949 /* Need to decompress the texture. 950 * We'll do this by rendering a textured quad. 951 * Note that we only expect RGBA formats (no Z/depth formats). 952 */ 953 decompress_with_blit(ctx, target, level, format, type, pixels, 954 texObj, texImage); 955 return; 956 } 957 958 /* Map */ 959 if (stImage->pt) { 960 /* Image is stored in hardware format in a buffer managed by the 961 * kernel. Need to explicitly map and unmap it. 962 */ 963 texImage->Data = st_texture_image_map(st, stImage, 0, 964 PIPE_TRANSFER_READ, 0, 0, 965 stImage->base.Width, 966 stImage->base.Height); 967 /* compute stride in texels from stride in bytes */ 968 texImage->RowStride = stImage->transfer->stride 969 * util_format_get_blockwidth(stImage->pt->format) 970 / util_format_get_blocksize(stImage->pt->format); 971 } 972 else { 973 /* Otherwise, the image should actually be stored in 974 * texImage->Data. This is pretty confusing for 975 * everybody, I'd much prefer to separate the two functions of 976 * texImage->Data - storage for texture images in main memory 977 * and access (ie mappings) of images. In other words, we'd 978 * create a new texImage->Map field and leave Data simply for 979 * storage. 980 */ 981 assert(texImage->Data); 982 } 983 984 depth = texImage->Depth; 985 texImage->Depth = 1; 986 987 dest = (GLubyte *) pixels; 988 989 for (i = 0; i < depth; i++) { 990 if (compressed_dst) { 991 _mesa_get_compressed_teximage(ctx, target, level, dest, 992 texObj, texImage); 993 } 994 else { 995 _mesa_get_teximage(ctx, target, level, format, type, dest, 996 texObj, texImage); 997 } 998 999 if (stImage->pt && i + 1 < depth) { 1000 /* unmap this slice */ 1001 st_texture_image_unmap(st, stImage); 1002 /* map next slice of 3D texture */ 1003 texImage->Data = st_texture_image_map(st, stImage, i + 1, 1004 PIPE_TRANSFER_READ, 0, 0, 1005 stImage->base.Width, 1006 stImage->base.Height); 1007 dest += dstImageStride; 1008 } 1009 } 1010 1011 texImage->Depth = depth; 1012 1013 /* Unmap */ 1014 if (stImage->pt) { 1015 st_texture_image_unmap(st, stImage); 1016 texImage->Data = NULL; 1017 } 1018} 1019 1020 1021static void 1022st_GetTexImage(GLcontext * ctx, GLenum target, GLint level, 1023 GLenum format, GLenum type, GLvoid * pixels, 1024 struct gl_texture_object *texObj, 1025 struct gl_texture_image *texImage) 1026{ 1027 st_get_tex_image(ctx, target, level, format, type, pixels, texObj, texImage, 1028 GL_FALSE); 1029} 1030 1031 1032static void 1033st_GetCompressedTexImage(GLcontext *ctx, GLenum target, GLint level, 1034 GLvoid *pixels, 1035 struct gl_texture_object *texObj, 1036 struct gl_texture_image *texImage) 1037{ 1038 st_get_tex_image(ctx, target, level, 0, 0, pixels, texObj, texImage, 1039 GL_TRUE); 1040} 1041 1042 1043 1044static void 1045st_TexSubimage(GLcontext *ctx, GLint dims, GLenum target, GLint level, 1046 GLint xoffset, GLint yoffset, GLint zoffset, 1047 GLint width, GLint height, GLint depth, 1048 GLenum format, GLenum type, const void *pixels, 1049 const struct gl_pixelstore_attrib *packing, 1050 struct gl_texture_object *texObj, 1051 struct gl_texture_image *texImage) 1052{ 1053 struct st_context *st = st_context(ctx); 1054 struct pipe_screen *screen = st->pipe->screen; 1055 struct st_texture_image *stImage = st_texture_image(texImage); 1056 GLuint dstRowStride; 1057 const GLuint srcImageStride = 1058 _mesa_image_image_stride(packing, width, height, format, type); 1059 GLint i; 1060 const GLubyte *src; 1061 /* init to silence warning only: */ 1062 enum pipe_transfer_usage transfer_usage = PIPE_TRANSFER_WRITE; 1063 1064 DBG("%s target %s level %d offset %d,%d %dx%d\n", __FUNCTION__, 1065 _mesa_lookup_enum_by_nr(target), 1066 level, xoffset, yoffset, width, height); 1067 1068 pixels = 1069 _mesa_validate_pbo_teximage(ctx, dims, width, height, depth, format, 1070 type, pixels, packing, "glTexSubImage2D"); 1071 if (!pixels) 1072 return; 1073 1074 /* See if we can do texture compression with a blit/render. 1075 */ 1076 if (!ctx->Mesa_DXTn && 1077 _mesa_is_format_compressed(texImage->TexFormat) && 1078 screen->is_format_supported(screen, 1079 stImage->pt->format, 1080 stImage->pt->target, 0, 1081 PIPE_BIND_RENDER_TARGET, 0)) { 1082 if (compress_with_blit(ctx, target, level, 1083 xoffset, yoffset, zoffset, 1084 width, height, depth, 1085 format, type, pixels, packing, texImage)) { 1086 goto done; 1087 } 1088 } 1089 1090 /* Map buffer if necessary. Need to lock to prevent other contexts 1091 * from uploading the buffer under us. 1092 */ 1093 if (stImage->pt) { 1094 if (format == GL_DEPTH_COMPONENT && 1095 util_format_is_depth_and_stencil(stImage->pt->format)) 1096 transfer_usage = PIPE_TRANSFER_READ_WRITE; 1097 else 1098 transfer_usage = PIPE_TRANSFER_WRITE; 1099 1100 texImage->Data = st_texture_image_map(st, stImage, zoffset, 1101 transfer_usage, 1102 xoffset, yoffset, 1103 width, height); 1104 } 1105 1106 if (!texImage->Data) { 1107 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage"); 1108 goto done; 1109 } 1110 1111 src = (const GLubyte *) pixels; 1112 dstRowStride = stImage->transfer->stride; 1113 1114 for (i = 0; i < depth; i++) { 1115 if (!_mesa_texstore(ctx, dims, texImage->_BaseFormat, 1116 texImage->TexFormat, 1117 texImage->Data, 1118 0, 0, 0, 1119 dstRowStride, 1120 texImage->ImageOffsets, 1121 width, height, 1, 1122 format, type, src, packing)) { 1123 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage"); 1124 } 1125 1126 if (stImage->pt && i + 1 < depth) { 1127 /* unmap this slice */ 1128 st_texture_image_unmap(st, stImage); 1129 /* map next slice of 3D texture */ 1130 texImage->Data = st_texture_image_map(st, stImage, 1131 zoffset + i + 1, 1132 transfer_usage, 1133 xoffset, yoffset, 1134 width, height); 1135 src += srcImageStride; 1136 } 1137 } 1138 1139done: 1140 _mesa_unmap_teximage_pbo(ctx, packing); 1141 1142 if (stImage->pt && texImage->Data) { 1143 st_texture_image_unmap(st, stImage); 1144 texImage->Data = NULL; 1145 } 1146} 1147 1148 1149 1150static void 1151st_TexSubImage3D(GLcontext *ctx, GLenum target, GLint level, 1152 GLint xoffset, GLint yoffset, GLint zoffset, 1153 GLsizei width, GLsizei height, GLsizei depth, 1154 GLenum format, GLenum type, const GLvoid *pixels, 1155 const struct gl_pixelstore_attrib *packing, 1156 struct gl_texture_object *texObj, 1157 struct gl_texture_image *texImage) 1158{ 1159 st_TexSubimage(ctx, 3, target, level, xoffset, yoffset, zoffset, 1160 width, height, depth, format, type, 1161 pixels, packing, texObj, texImage); 1162} 1163 1164 1165static void 1166st_TexSubImage2D(GLcontext *ctx, GLenum target, GLint level, 1167 GLint xoffset, GLint yoffset, 1168 GLsizei width, GLsizei height, 1169 GLenum format, GLenum type, const GLvoid * pixels, 1170 const struct gl_pixelstore_attrib *packing, 1171 struct gl_texture_object *texObj, 1172 struct gl_texture_image *texImage) 1173{ 1174 st_TexSubimage(ctx, 2, target, level, xoffset, yoffset, 0, 1175 width, height, 1, format, type, 1176 pixels, packing, texObj, texImage); 1177} 1178 1179 1180static void 1181st_TexSubImage1D(GLcontext *ctx, GLenum target, GLint level, 1182 GLint xoffset, GLsizei width, GLenum format, GLenum type, 1183 const GLvoid * pixels, 1184 const struct gl_pixelstore_attrib *packing, 1185 struct gl_texture_object *texObj, 1186 struct gl_texture_image *texImage) 1187{ 1188 st_TexSubimage(ctx, 1, target, level, xoffset, 0, 0, width, 1, 1, 1189 format, type, pixels, packing, texObj, texImage); 1190} 1191 1192 1193static void 1194st_CompressedTexSubImage1D(GLcontext *ctx, GLenum target, GLint level, 1195 GLint xoffset, GLsizei width, 1196 GLenum format, 1197 GLsizei imageSize, const GLvoid *data, 1198 struct gl_texture_object *texObj, 1199 struct gl_texture_image *texImage) 1200{ 1201 assert(0); 1202} 1203 1204 1205static void 1206st_CompressedTexSubImage2D(GLcontext *ctx, GLenum target, GLint level, 1207 GLint xoffset, GLint yoffset, 1208 GLsizei width, GLint height, 1209 GLenum format, 1210 GLsizei imageSize, const GLvoid *data, 1211 struct gl_texture_object *texObj, 1212 struct gl_texture_image *texImage) 1213{ 1214 struct st_context *st = st_context(ctx); 1215 struct st_texture_image *stImage = st_texture_image(texImage); 1216 int srcBlockStride; 1217 int dstBlockStride; 1218 int y; 1219 enum pipe_format pformat; 1220 1221 if (stImage->pt) { 1222 pformat = stImage->pt->format; 1223 1224 texImage->Data = st_texture_image_map(st, stImage, 0, 1225 PIPE_TRANSFER_WRITE, 1226 xoffset, yoffset, 1227 width, height); 1228 1229 srcBlockStride = util_format_get_stride(pformat, width); 1230 dstBlockStride = stImage->transfer->stride; 1231 } else { 1232 assert(stImage->pt); 1233 /* TODO find good values for block and strides */ 1234 /* TODO also adjust texImage->data for yoffset/xoffset */ 1235 return; 1236 } 1237 1238 if (!texImage->Data) { 1239 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexSubImage"); 1240 return; 1241 } 1242 1243 assert(xoffset % util_format_get_blockwidth(pformat) == 0); 1244 assert(yoffset % util_format_get_blockheight(pformat) == 0); 1245 assert(width % util_format_get_blockwidth(pformat) == 0); 1246 assert(height % util_format_get_blockheight(pformat) == 0); 1247 1248 for (y = 0; y < height; y += util_format_get_blockheight(pformat)) { 1249 /* don't need to adjust for xoffset and yoffset as st_texture_image_map does that */ 1250 const char *src = (const char*)data + srcBlockStride * util_format_get_nblocksy(pformat, y); 1251 char *dst = (char*)texImage->Data + dstBlockStride * util_format_get_nblocksy(pformat, y); 1252 memcpy(dst, src, util_format_get_stride(pformat, width)); 1253 } 1254 1255 if (stImage->pt) { 1256 st_texture_image_unmap(st, stImage); 1257 texImage->Data = NULL; 1258 } 1259} 1260 1261 1262static void 1263st_CompressedTexSubImage3D(GLcontext *ctx, GLenum target, GLint level, 1264 GLint xoffset, GLint yoffset, GLint zoffset, 1265 GLsizei width, GLint height, GLint depth, 1266 GLenum format, 1267 GLsizei imageSize, const GLvoid *data, 1268 struct gl_texture_object *texObj, 1269 struct gl_texture_image *texImage) 1270{ 1271 assert(0); 1272} 1273 1274 1275 1276/** 1277 * Do a CopyTexSubImage operation using a read transfer from the source, 1278 * a write transfer to the destination and get_tile()/put_tile() to access 1279 * the pixels/texels. 1280 * 1281 * Note: srcY=0=TOP of renderbuffer 1282 */ 1283static void 1284fallback_copy_texsubimage(GLcontext *ctx, GLenum target, GLint level, 1285 struct st_renderbuffer *strb, 1286 struct st_texture_image *stImage, 1287 GLenum baseFormat, 1288 GLint destX, GLint destY, GLint destZ, 1289 GLint srcX, GLint srcY, 1290 GLsizei width, GLsizei height) 1291{ 1292 struct st_context *st = st_context(ctx); 1293 struct pipe_context *pipe = st->pipe; 1294 struct pipe_transfer *src_trans; 1295 GLvoid *texDest; 1296 enum pipe_transfer_usage transfer_usage; 1297 1298 if (ST_DEBUG & DEBUG_FALLBACK) 1299 debug_printf("%s: fallback processing\n", __FUNCTION__); 1300 1301 assert(width <= MAX_WIDTH); 1302 1303 if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) { 1304 srcY = strb->Base.Height - srcY - height; 1305 } 1306 1307 src_trans = pipe_get_transfer(st_context(ctx)->pipe, 1308 strb->texture, 1309 0, 0, 0, 1310 PIPE_TRANSFER_READ, 1311 srcX, srcY, 1312 width, height); 1313 1314 if ((baseFormat == GL_DEPTH_COMPONENT || 1315 baseFormat == GL_DEPTH_STENCIL) && 1316 util_format_is_depth_and_stencil(stImage->pt->format)) 1317 transfer_usage = PIPE_TRANSFER_READ_WRITE; 1318 else 1319 transfer_usage = PIPE_TRANSFER_WRITE; 1320 1321 texDest = st_texture_image_map(st, stImage, 0, transfer_usage, 1322 destX, destY, width, height); 1323 1324 if (baseFormat == GL_DEPTH_COMPONENT || 1325 baseFormat == GL_DEPTH_STENCIL) { 1326 const GLboolean scaleOrBias = (ctx->Pixel.DepthScale != 1.0F || 1327 ctx->Pixel.DepthBias != 0.0F); 1328 GLint row, yStep; 1329 1330 /* determine bottom-to-top vs. top-to-bottom order for src buffer */ 1331 if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) { 1332 srcY = height - 1; 1333 yStep = -1; 1334 } 1335 else { 1336 srcY = 0; 1337 yStep = 1; 1338 } 1339 1340 /* To avoid a large temp memory allocation, do copy row by row */ 1341 for (row = 0; row < height; row++, srcY += yStep) { 1342 uint data[MAX_WIDTH]; 1343 pipe_get_tile_z(pipe, src_trans, 0, srcY, width, 1, data); 1344 if (scaleOrBias) { 1345 _mesa_scale_and_bias_depth_uint(ctx, width, data); 1346 } 1347 pipe_put_tile_z(pipe, stImage->transfer, 0, row, width, 1, data); 1348 } 1349 } 1350 else { 1351 /* RGBA format */ 1352 GLfloat *tempSrc = 1353 (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat)); 1354 1355 if (tempSrc && texDest) { 1356 const GLint dims = 2; 1357 const GLint dstRowStride = stImage->transfer->stride; 1358 struct gl_texture_image *texImage = &stImage->base; 1359 struct gl_pixelstore_attrib unpack = ctx->DefaultPacking; 1360 1361 if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) { 1362 unpack.Invert = GL_TRUE; 1363 } 1364 1365 /* get float/RGBA image from framebuffer */ 1366 /* XXX this usually involves a lot of int/float conversion. 1367 * try to avoid that someday. 1368 */ 1369 pipe_get_tile_rgba(pipe, src_trans, 0, 0, width, height, tempSrc); 1370 1371 /* Store into texture memory. 1372 * Note that this does some special things such as pixel transfer 1373 * ops and format conversion. In particular, if the dest tex format 1374 * is actually RGBA but the user created the texture as GL_RGB we 1375 * need to fill-in/override the alpha channel with 1.0. 1376 */ 1377 _mesa_texstore(ctx, dims, 1378 texImage->_BaseFormat, 1379 texImage->TexFormat, 1380 texDest, 1381 0, 0, 0, 1382 dstRowStride, 1383 texImage->ImageOffsets, 1384 width, height, 1, 1385 GL_RGBA, GL_FLOAT, tempSrc, /* src */ 1386 &unpack); 1387 } 1388 else { 1389 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage"); 1390 } 1391 1392 if (tempSrc) 1393 free(tempSrc); 1394 } 1395 1396 st_texture_image_unmap(st, stImage); 1397 pipe->transfer_destroy(pipe, src_trans); 1398} 1399 1400 1401 1402/** 1403 * If the format of the src renderbuffer and the format of the dest 1404 * texture are compatible (in terms of blitting), return a TGSI writemask 1405 * to be used during the blit. 1406 * If the src/dest are incompatible, return 0. 1407 */ 1408static unsigned 1409compatible_src_dst_formats(GLcontext *ctx, 1410 const struct gl_renderbuffer *src, 1411 const struct gl_texture_image *dst) 1412{ 1413 /* Get logical base formats for the src and dest. 1414 * That is, use the user-requested formats and not the actual, device- 1415 * chosen formats. 1416 * For example, the user may have requested an A8 texture but the 1417 * driver may actually be using an RGBA texture format. When we 1418 * copy/blit to that texture, we only want to copy the Alpha channel 1419 * and not the RGB channels. 1420 * 1421 * Similarly, when the src FBO was created an RGB format may have been 1422 * requested but the driver actually chose an RGBA format. In that case, 1423 * we don't want to copy the undefined Alpha channel to the dest texture 1424 * (it should be 1.0). 1425 */ 1426 const GLenum srcFormat = _mesa_base_fbo_format(ctx, src->InternalFormat); 1427 const GLenum dstFormat = _mesa_base_tex_format(ctx, dst->InternalFormat); 1428 1429 /** 1430 * XXX when we have red-only and red/green renderbuffers we'll need 1431 * to add more cases here (or implement a general-purpose routine that 1432 * queries the existance of the R,G,B,A channels in the src and dest). 1433 */ 1434 if (srcFormat == dstFormat) { 1435 /* This is the same as matching_base_formats, which should 1436 * always pass, as it did previously. 1437 */ 1438 return TGSI_WRITEMASK_XYZW; 1439 } 1440 else if (srcFormat == GL_RGB && dstFormat == GL_RGBA) { 1441 /* Make sure that A in the dest is 1. The actual src format 1442 * may be RGBA and have undefined A values. 1443 */ 1444 return TGSI_WRITEMASK_XYZ; 1445 } 1446 else if (srcFormat == GL_RGBA && dstFormat == GL_RGB) { 1447 /* Make sure that A in the dest is 1. The actual dst format 1448 * may be RGBA and will need A=1 to provide proper alpha values 1449 * when sampled later. 1450 */ 1451 return TGSI_WRITEMASK_XYZ; 1452 } 1453 else { 1454 if (ST_DEBUG & DEBUG_FALLBACK) 1455 debug_printf("%s failed for src %s, dst %s\n", 1456 __FUNCTION__, 1457 _mesa_lookup_enum_by_nr(srcFormat), 1458 _mesa_lookup_enum_by_nr(dstFormat)); 1459 1460 /* Otherwise fail. 1461 */ 1462 return 0; 1463 } 1464} 1465 1466 1467 1468/** 1469 * Do a CopyTex[Sub]Image1/2/3D() using a hardware (blit) path if possible. 1470 * Note that the region to copy has already been clipped so we know we 1471 * won't read from outside the source renderbuffer's bounds. 1472 * 1473 * Note: srcY=0=Bottom of renderbuffer (GL convention) 1474 */ 1475static void 1476st_copy_texsubimage(GLcontext *ctx, 1477 GLenum target, GLint level, 1478 GLint destX, GLint destY, GLint destZ, 1479 GLint srcX, GLint srcY, 1480 GLsizei width, GLsizei height) 1481{ 1482 struct gl_texture_unit *texUnit = 1483 &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; 1484 struct gl_texture_object *texObj = 1485 _mesa_select_tex_object(ctx, texUnit, target); 1486 struct gl_texture_image *texImage = 1487 _mesa_select_tex_image(ctx, texObj, target, level); 1488 struct st_texture_image *stImage = st_texture_image(texImage); 1489 const GLenum texBaseFormat = texImage->_BaseFormat; 1490 struct gl_framebuffer *fb = ctx->ReadBuffer; 1491 struct st_renderbuffer *strb; 1492 struct st_context *st = st_context(ctx); 1493 struct pipe_context *pipe = st->pipe; 1494 struct pipe_screen *screen = pipe->screen; 1495 enum pipe_format dest_format, src_format; 1496 GLboolean use_fallback = GL_TRUE; 1497 GLboolean matching_base_formats; 1498 GLuint format_writemask, sample_count; 1499 struct pipe_surface *dest_surface = NULL; 1500 GLboolean do_flip = (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP); 1501 1502 /* make sure finalize_textures has been called? 1503 */ 1504 if (0) st_validate_state(st); 1505 1506 /* determine if copying depth or color data */ 1507 if (texBaseFormat == GL_DEPTH_COMPONENT || 1508 texBaseFormat == GL_DEPTH_STENCIL) { 1509 strb = st_renderbuffer(fb->_DepthBuffer); 1510 } 1511 else { 1512 /* texBaseFormat == GL_RGB, GL_RGBA, GL_ALPHA, etc */ 1513 strb = st_renderbuffer(fb->_ColorReadBuffer); 1514 } 1515 1516 if (!strb || !strb->surface || !stImage->pt) { 1517 debug_printf("%s: null strb or stImage\n", __FUNCTION__); 1518 return; 1519 } 1520 1521 sample_count = strb->surface->texture->nr_samples; 1522 /* I believe this would be legal, presumably would need to do a resolve 1523 for color, and for depth/stencil spec says to just use one of the 1524 depth/stencil samples per pixel? Need some transfer clarifications. */ 1525 assert(sample_count < 2); 1526 1527 if (srcX < 0) { 1528 width -= -srcX; 1529 destX += -srcX; 1530 srcX = 0; 1531 } 1532 1533 if (srcY < 0) { 1534 height -= -srcY; 1535 destY += -srcY; 1536 srcY = 0; 1537 } 1538 1539 if (destX < 0) { 1540 width -= -destX; 1541 srcX += -destX; 1542 destX = 0; 1543 } 1544 1545 if (destY < 0) { 1546 height -= -destY; 1547 srcY += -destY; 1548 destY = 0; 1549 } 1550 1551 if (width < 0 || height < 0) 1552 return; 1553 1554 1555 assert(strb); 1556 assert(strb->surface); 1557 assert(stImage->pt); 1558 1559 src_format = strb->surface->format; 1560 dest_format = stImage->pt->format; 1561 1562 /* 1563 * Determine if the src framebuffer and dest texture have the same 1564 * base format. We need this to detect a case such as the framebuffer 1565 * being GL_RGBA but the texture being GL_RGB. If the actual hardware 1566 * texture format stores RGBA we need to set A=1 (overriding the 1567 * framebuffer's alpha values). We can't do that with the blit or 1568 * textured-quad paths. 1569 */ 1570 matching_base_formats = 1571 (_mesa_get_format_base_format(strb->Base.Format) == 1572 _mesa_get_format_base_format(texImage->TexFormat)); 1573 format_writemask = compatible_src_dst_formats(ctx, &strb->Base, texImage); 1574 1575 if (ctx->_ImageTransferState == 0x0) { 1576 1577 if (matching_base_formats && 1578 src_format == dest_format && 1579 !do_flip) 1580 { 1581 /* use surface_copy() / blit */ 1582 struct pipe_subresource subdst, subsrc; 1583 subdst.face = stImage->face; 1584 subdst.level = stImage->level; 1585 subsrc.face = strb->surface->face; 1586 subsrc.level = strb->surface->level; 1587 1588 /* for resource_copy_region(), y=0=top, always */ 1589 pipe->resource_copy_region(pipe, 1590 /* dest */ 1591 stImage->pt, 1592 subdst, 1593 destX, destY, destZ, 1594 /* src */ 1595 strb->texture, 1596 subsrc, 1597 srcX, srcY, strb->surface->zslice, 1598 /* size */ 1599 width, height); 1600 use_fallback = GL_FALSE; 1601 } 1602 else if (format_writemask && 1603 texBaseFormat != GL_DEPTH_COMPONENT && 1604 texBaseFormat != GL_DEPTH_STENCIL && 1605 screen->is_format_supported(screen, src_format, 1606 PIPE_TEXTURE_2D, sample_count, 1607 PIPE_BIND_SAMPLER_VIEW, 1608 0) && 1609 screen->is_format_supported(screen, dest_format, 1610 PIPE_TEXTURE_2D, 0, 1611 PIPE_BIND_RENDER_TARGET, 1612 0)) { 1613 /* draw textured quad to do the copy */ 1614 GLint srcY0, srcY1; 1615 struct pipe_subresource subsrc; 1616 1617 dest_surface = screen->get_tex_surface(screen, stImage->pt, 1618 stImage->face, stImage->level, 1619 destZ, 1620 PIPE_BIND_RENDER_TARGET); 1621 1622 if (do_flip) { 1623 srcY1 = strb->Base.Height - srcY - height; 1624 srcY0 = srcY1 + height; 1625 } 1626 else { 1627 srcY0 = srcY; 1628 srcY1 = srcY0 + height; 1629 } 1630 subsrc.face = strb->surface->face; 1631 subsrc.level = strb->surface->level; 1632 1633 util_blit_pixels_writemask(st->blit, 1634 strb->texture, 1635 subsrc, 1636 srcX, srcY0, 1637 srcX + width, srcY1, 1638 strb->surface->zslice, 1639 dest_surface, 1640 destX, destY, 1641 destX + width, destY + height, 1642 0.0, PIPE_TEX_MIPFILTER_NEAREST, 1643 format_writemask); 1644 use_fallback = GL_FALSE; 1645 } 1646 1647 if (dest_surface) 1648 pipe_surface_reference(&dest_surface, NULL); 1649 } 1650 1651 if (use_fallback) { 1652 /* software fallback */ 1653 fallback_copy_texsubimage(ctx, target, level, 1654 strb, stImage, texBaseFormat, 1655 destX, destY, destZ, 1656 srcX, srcY, width, height); 1657 } 1658} 1659 1660 1661 1662static void 1663st_CopyTexImage1D(GLcontext * ctx, GLenum target, GLint level, 1664 GLenum internalFormat, 1665 GLint x, GLint y, GLsizei width, GLint border) 1666{ 1667 struct gl_texture_unit *texUnit = 1668 &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; 1669 struct gl_texture_object *texObj = 1670 _mesa_select_tex_object(ctx, texUnit, target); 1671 struct gl_texture_image *texImage = 1672 _mesa_select_tex_image(ctx, texObj, target, level); 1673 1674 /* Setup or redefine the texture object, texture and texture 1675 * image. Don't populate yet. 1676 */ 1677 ctx->Driver.TexImage1D(ctx, target, level, internalFormat, 1678 width, border, 1679 GL_RGBA, CHAN_TYPE, NULL, 1680 &ctx->DefaultPacking, texObj, texImage); 1681 1682 st_copy_texsubimage(ctx, target, level, 1683 0, 0, 0, /* destX,Y,Z */ 1684 x, y, width, 1); /* src X, Y, size */ 1685} 1686 1687 1688static void 1689st_CopyTexImage2D(GLcontext * ctx, GLenum target, GLint level, 1690 GLenum internalFormat, 1691 GLint x, GLint y, GLsizei width, GLsizei height, 1692 GLint border) 1693{ 1694 struct gl_texture_unit *texUnit = 1695 &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; 1696 struct gl_texture_object *texObj = 1697 _mesa_select_tex_object(ctx, texUnit, target); 1698 struct gl_texture_image *texImage = 1699 _mesa_select_tex_image(ctx, texObj, target, level); 1700 1701 /* Setup or redefine the texture object, texture and texture 1702 * image. Don't populate yet. 1703 */ 1704 ctx->Driver.TexImage2D(ctx, target, level, internalFormat, 1705 width, height, border, 1706 GL_RGBA, CHAN_TYPE, NULL, 1707 &ctx->DefaultPacking, texObj, texImage); 1708 1709 st_copy_texsubimage(ctx, target, level, 1710 0, 0, 0, /* destX,Y,Z */ 1711 x, y, width, height); /* src X, Y, size */ 1712} 1713 1714 1715static void 1716st_CopyTexSubImage1D(GLcontext * ctx, GLenum target, GLint level, 1717 GLint xoffset, GLint x, GLint y, GLsizei width) 1718{ 1719 const GLint yoffset = 0, zoffset = 0; 1720 const GLsizei height = 1; 1721 st_copy_texsubimage(ctx, target, level, 1722 xoffset, yoffset, zoffset, /* destX,Y,Z */ 1723 x, y, width, height); /* src X, Y, size */ 1724} 1725 1726 1727static void 1728st_CopyTexSubImage2D(GLcontext * ctx, GLenum target, GLint level, 1729 GLint xoffset, GLint yoffset, 1730 GLint x, GLint y, GLsizei width, GLsizei height) 1731{ 1732 const GLint zoffset = 0; 1733 st_copy_texsubimage(ctx, target, level, 1734 xoffset, yoffset, zoffset, /* destX,Y,Z */ 1735 x, y, width, height); /* src X, Y, size */ 1736} 1737 1738 1739static void 1740st_CopyTexSubImage3D(GLcontext * ctx, GLenum target, GLint level, 1741 GLint xoffset, GLint yoffset, GLint zoffset, 1742 GLint x, GLint y, GLsizei width, GLsizei height) 1743{ 1744 st_copy_texsubimage(ctx, target, level, 1745 xoffset, yoffset, zoffset, /* destX,Y,Z */ 1746 x, y, width, height); /* src X, Y, size */ 1747} 1748 1749 1750/** 1751 * Copy image data from stImage into the texture object 'stObj' at level 1752 * 'dstLevel'. 1753 */ 1754static void 1755copy_image_data_to_texture(struct st_context *st, 1756 struct st_texture_object *stObj, 1757 GLuint dstLevel, 1758 struct st_texture_image *stImage) 1759{ 1760 /* debug checks */ 1761 { 1762 const struct gl_texture_image *dstImage = 1763 stObj->base.Image[stImage->face][stImage->level]; 1764 assert(dstImage); 1765 assert(dstImage->Width == stImage->base.Width); 1766 assert(dstImage->Height == stImage->base.Height); 1767 assert(dstImage->Depth == stImage->base.Depth); 1768 } 1769 1770 if (stImage->pt) { 1771 /* Copy potentially with the blitter: 1772 */ 1773 st_texture_image_copy(st->pipe, 1774 stObj->pt, dstLevel, /* dest texture, level */ 1775 stImage->pt, stImage->level, /* src texture, level */ 1776 stImage->face); 1777 1778 pipe_resource_reference(&stImage->pt, NULL); 1779 } 1780 else if (stImage->base.Data) { 1781 st_texture_image_data(st, 1782 stObj->pt, 1783 stImage->face, 1784 dstLevel, 1785 stImage->base.Data, 1786 stImage->base.RowStride * 1787 util_format_get_blocksize(stObj->pt->format), 1788 stImage->base.RowStride * 1789 stImage->base.Height * 1790 util_format_get_blocksize(stObj->pt->format)); 1791 _mesa_align_free(stImage->base.Data); 1792 stImage->base.Data = NULL; 1793 } 1794 1795 pipe_resource_reference(&stImage->pt, stObj->pt); 1796} 1797 1798 1799/** 1800 * Called during state validation. When this function is finished, 1801 * the texture object should be ready for rendering. 1802 * \return GL_TRUE for success, GL_FALSE for failure (out of mem) 1803 */ 1804GLboolean 1805st_finalize_texture(GLcontext *ctx, 1806 struct pipe_context *pipe, 1807 struct gl_texture_object *tObj) 1808{ 1809 struct st_context *st = st_context(ctx); 1810 struct st_texture_object *stObj = st_texture_object(tObj); 1811 const GLuint nr_faces = (stObj->base.Target == GL_TEXTURE_CUBE_MAP) ? 6 : 1; 1812 GLuint face; 1813 struct st_texture_image *firstImage; 1814 enum pipe_format firstImageFormat; 1815 1816 if (stObj->base._Complete) { 1817 /* The texture is complete and we know exactly how many mipmap levels 1818 * are present/needed. This is conditional because we may be called 1819 * from the st_generate_mipmap() function when the texture object is 1820 * incomplete. In that case, we'll have set stObj->lastLevel before 1821 * we get here. 1822 */ 1823 if (stObj->base.MinFilter == GL_LINEAR || 1824 stObj->base.MinFilter == GL_NEAREST) 1825 stObj->lastLevel = stObj->base.BaseLevel; 1826 else 1827 stObj->lastLevel = stObj->base._MaxLevel; 1828 } 1829 1830 firstImage = st_texture_image(stObj->base.Image[0][stObj->base.BaseLevel]); 1831 assert(firstImage); 1832 1833 /* If both firstImage and stObj point to a texture which can contain 1834 * all active images, favour firstImage. Note that because of the 1835 * completeness requirement, we know that the image dimensions 1836 * will match. 1837 */ 1838 if (firstImage->pt && 1839 firstImage->pt != stObj->pt && 1840 firstImage->pt->last_level >= stObj->lastLevel) { 1841 pipe_resource_reference(&stObj->pt, firstImage->pt); 1842 pipe_sampler_view_reference(&stObj->sampler_view, NULL); 1843 } 1844 1845 /* Find gallium format for the Mesa texture */ 1846 firstImageFormat = st_mesa_format_to_pipe_format(firstImage->base.TexFormat); 1847 1848 /* If we already have a gallium texture, check that it matches the texture 1849 * object's format, target, size, num_levels, etc. 1850 */ 1851 if (stObj->pt) { 1852 if (stObj->pt->target != gl_target_to_pipe(stObj->base.Target) || 1853 stObj->pt->format != firstImageFormat || 1854 stObj->pt->last_level < stObj->lastLevel || 1855 stObj->pt->width0 != stObj->width0 || 1856 stObj->pt->height0 != stObj->height0 || 1857 stObj->pt->depth0 != stObj->depth0) 1858 { 1859 /* The gallium texture does not match the Mesa texture so delete the 1860 * gallium texture now. We'll make a new one below. 1861 */ 1862 pipe_resource_reference(&stObj->pt, NULL); 1863 pipe_sampler_view_reference(&stObj->sampler_view, NULL); 1864 st->dirty.st |= ST_NEW_FRAMEBUFFER; 1865 } 1866 } 1867 1868 /* May need to create a new gallium texture: 1869 */ 1870 if (!stObj->pt) { 1871 GLuint bindings = default_bindings(st, firstImageFormat); 1872 1873 stObj->pt = st_texture_create(st, 1874 gl_target_to_pipe(stObj->base.Target), 1875 firstImageFormat, 1876 stObj->lastLevel, 1877 stObj->width0, 1878 stObj->height0, 1879 stObj->depth0, 1880 bindings); 1881 1882 if (!stObj->pt) { 1883 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage"); 1884 return GL_FALSE; 1885 } 1886 } 1887 1888 /* Pull in any images not in the object's texture: 1889 */ 1890 for (face = 0; face < nr_faces; face++) { 1891 GLuint level; 1892 for (level = stObj->base.BaseLevel; level <= stObj->lastLevel; level++) { 1893 struct st_texture_image *stImage = 1894 st_texture_image(stObj->base.Image[face][level]); 1895 1896 /* Need to import images in main memory or held in other textures. 1897 */ 1898 if (stImage && stObj->pt != stImage->pt) { 1899 copy_image_data_to_texture(st, stObj, level, stImage); 1900 } 1901 } 1902 } 1903 1904 return GL_TRUE; 1905} 1906 1907 1908/** 1909 * Returns pointer to a default/dummy texture. 1910 * This is typically used when the current shader has tex/sample instructions 1911 * but the user has not provided a (any) texture(s). 1912 */ 1913struct gl_texture_object * 1914st_get_default_texture(struct st_context *st) 1915{ 1916 if (!st->default_texture) { 1917 static const GLenum target = GL_TEXTURE_2D; 1918 GLubyte pixels[16][16][4]; 1919 struct gl_texture_object *texObj; 1920 struct gl_texture_image *texImg; 1921 GLuint i, j; 1922 1923 /* The ARB_fragment_program spec says (0,0,0,1) should be returned 1924 * when attempting to sample incomplete textures. 1925 */ 1926 for (i = 0; i < 16; i++) { 1927 for (j = 0; j < 16; j++) { 1928 pixels[i][j][0] = 0; 1929 pixels[i][j][1] = 0; 1930 pixels[i][j][2] = 0; 1931 pixels[i][j][3] = 255; 1932 } 1933 } 1934 1935 texObj = st->ctx->Driver.NewTextureObject(st->ctx, 0, target); 1936 1937 texImg = _mesa_get_tex_image(st->ctx, texObj, target, 0); 1938 1939 _mesa_init_teximage_fields(st->ctx, target, texImg, 1940 16, 16, 1, 0, /* w, h, d, border */ 1941 GL_RGBA); 1942 1943 st_TexImage(st->ctx, 2, target, 1944 0, GL_RGBA, /* level, intformat */ 1945 16, 16, 1, 0, /* w, h, d, border */ 1946 GL_RGBA, GL_UNSIGNED_BYTE, pixels, 1947 &st->ctx->DefaultPacking, 1948 texObj, texImg, 1949 0, 0); 1950 1951 texObj->MinFilter = GL_NEAREST; 1952 texObj->MagFilter = GL_NEAREST; 1953 texObj->_Complete = GL_TRUE; 1954 1955 st->default_texture = texObj; 1956 } 1957 return st->default_texture; 1958} 1959 1960 1961void 1962st_init_texture_functions(struct dd_function_table *functions) 1963{ 1964 functions->ChooseTextureFormat = st_ChooseTextureFormat; 1965 functions->TexImage1D = st_TexImage1D; 1966 functions->TexImage2D = st_TexImage2D; 1967 functions->TexImage3D = st_TexImage3D; 1968 functions->TexSubImage1D = st_TexSubImage1D; 1969 functions->TexSubImage2D = st_TexSubImage2D; 1970 functions->TexSubImage3D = st_TexSubImage3D; 1971 functions->CompressedTexSubImage1D = st_CompressedTexSubImage1D; 1972 functions->CompressedTexSubImage2D = st_CompressedTexSubImage2D; 1973 functions->CompressedTexSubImage3D = st_CompressedTexSubImage3D; 1974 functions->CopyTexImage1D = st_CopyTexImage1D; 1975 functions->CopyTexImage2D = st_CopyTexImage2D; 1976 functions->CopyTexSubImage1D = st_CopyTexSubImage1D; 1977 functions->CopyTexSubImage2D = st_CopyTexSubImage2D; 1978 functions->CopyTexSubImage3D = st_CopyTexSubImage3D; 1979 functions->GenerateMipmap = st_generate_mipmap; 1980 1981 functions->GetTexImage = st_GetTexImage; 1982 1983 /* compressed texture functions */ 1984 functions->CompressedTexImage2D = st_CompressedTexImage2D; 1985 functions->GetCompressedTexImage = st_GetCompressedTexImage; 1986 1987 functions->NewTextureObject = st_NewTextureObject; 1988 functions->NewTextureImage = st_NewTextureImage; 1989 functions->DeleteTexture = st_DeleteTextureObject; 1990 functions->FreeTexImageData = st_FreeTextureImageData; 1991 functions->UpdateTexturePalette = 0; 1992 1993 functions->TextureMemCpy = do_memcpy; 1994 1995 /* XXX Temporary until we can query pipe's texture sizes */ 1996 functions->TestProxyTexImage = _mesa_test_proxy_teximage; 1997} 1998