st_cb_texture.c revision e71c1589d8e5ab3c81b0fc04f4720c74849c4f15
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#if FEATURE_convolve 31#include "main/convolve.h" 32#endif 33#include "main/enums.h" 34#include "main/fbobject.h" 35#include "main/formats.h" 36#include "main/image.h" 37#include "main/imports.h" 38#include "main/macros.h" 39#include "main/mipmap.h" 40#include "main/texcompress.h" 41#include "main/texfetch.h" 42#include "main/texgetimage.h" 43#include "main/teximage.h" 44#include "main/texobj.h" 45#include "main/texstore.h" 46 47#include "state_tracker/st_debug.h" 48#include "state_tracker/st_context.h" 49#include "state_tracker/st_cb_fbo.h" 50#include "state_tracker/st_cb_texture.h" 51#include "state_tracker/st_format.h" 52#include "state_tracker/st_public.h" 53#include "state_tracker/st_texture.h" 54#include "state_tracker/st_gen_mipmap.h" 55#include "state_tracker/st_inlines.h" 56#include "state_tracker/st_atom.h" 57 58#include "pipe/p_context.h" 59#include "pipe/p_defines.h" 60#include "util/u_inlines.h" 61#include "pipe/p_shader_tokens.h" 62#include "util/u_tile.h" 63#include "util/u_blit.h" 64#include "util/u_format.h" 65#include "util/u_surface.h" 66#include "util/u_sampler.h" 67#include "util/u_math.h" 68 69 70#define DBG if (0) printf 71 72 73static enum pipe_texture_target 74gl_target_to_pipe(GLenum target) 75{ 76 switch (target) { 77 case GL_TEXTURE_1D: 78 return PIPE_TEXTURE_1D; 79 80 case GL_TEXTURE_2D: 81 case GL_TEXTURE_RECTANGLE_NV: 82 return PIPE_TEXTURE_2D; 83 84 case GL_TEXTURE_3D: 85 return PIPE_TEXTURE_3D; 86 87 case GL_TEXTURE_CUBE_MAP_ARB: 88 return PIPE_TEXTURE_CUBE; 89 90 default: 91 assert(0); 92 return 0; 93 } 94} 95 96 97/** called via ctx->Driver.NewTextureImage() */ 98static struct gl_texture_image * 99st_NewTextureImage(GLcontext * ctx) 100{ 101 DBG("%s\n", __FUNCTION__); 102 (void) ctx; 103 return (struct gl_texture_image *) ST_CALLOC_STRUCT(st_texture_image); 104} 105 106 107/** called via ctx->Driver.NewTextureObject() */ 108static struct gl_texture_object * 109st_NewTextureObject(GLcontext * ctx, GLuint name, GLenum target) 110{ 111 struct st_texture_object *obj = ST_CALLOC_STRUCT(st_texture_object); 112 113 DBG("%s\n", __FUNCTION__); 114 _mesa_initialize_texture_object(&obj->base, name, target); 115 116 return &obj->base; 117} 118 119/** called via ctx->Driver.DeleteTextureImage() */ 120static void 121st_DeleteTextureObject(GLcontext *ctx, 122 struct gl_texture_object *texObj) 123{ 124 struct st_texture_object *stObj = st_texture_object(texObj); 125 if (stObj->pt) 126 pipe_texture_reference(&stObj->pt, NULL); 127 if (stObj->sampler_view) { 128 if (stObj->sampler_view->context != ctx->st->pipe) { 129 /* Take "ownership" of this texture sampler view by setting 130 * its context pointer to this context. This avoids potential 131 * crashes when the texture object is shared among contexts 132 * and the original/owner context has already been destroyed. 133 */ 134 stObj->sampler_view->context = ctx->st->pipe; 135 } 136 pipe_sampler_view_reference(&stObj->sampler_view, NULL); 137 } 138 _mesa_delete_texture_object(ctx, texObj); 139} 140 141 142/** called via ctx->Driver.FreeTexImageData() */ 143static void 144st_FreeTextureImageData(GLcontext * ctx, struct gl_texture_image *texImage) 145{ 146 struct st_texture_image *stImage = st_texture_image(texImage); 147 148 DBG("%s\n", __FUNCTION__); 149 150 if (stImage->pt) { 151 pipe_texture_reference(&stImage->pt, NULL); 152 } 153 154 if (texImage->Data) { 155 _mesa_align_free(texImage->Data); 156 texImage->Data = NULL; 157 } 158} 159 160 161/** 162 * From linux kernel i386 header files, copes with odd sizes better 163 * than COPY_DWORDS would: 164 * XXX Put this in src/mesa/main/imports.h ??? 165 */ 166#if defined(PIPE_CC_GCC) && defined(PIPE_ARCH_X86) 167static INLINE void * 168__memcpy(void *to, const void *from, size_t n) 169{ 170 int d0, d1, d2; 171 __asm__ __volatile__("rep ; movsl\n\t" 172 "testb $2,%b4\n\t" 173 "je 1f\n\t" 174 "movsw\n" 175 "1:\ttestb $1,%b4\n\t" 176 "je 2f\n\t" 177 "movsb\n" "2:":"=&c"(d0), "=&D"(d1), "=&S"(d2) 178 :"0"(n / 4), "q"(n), "1"((long) to), "2"((long) from) 179 :"memory"); 180 return (to); 181} 182#else 183#define __memcpy(a,b,c) memcpy(a,b,c) 184#endif 185 186 187/** 188 * The system memcpy (at least on ubuntu 5.10) has problems copying 189 * to agp (writecombined) memory from a source which isn't 64-byte 190 * aligned - there is a 4x performance falloff. 191 * 192 * The x86 __memcpy is immune to this but is slightly slower 193 * (10%-ish) than the system memcpy. 194 * 195 * The sse_memcpy seems to have a slight cliff at 64/32 bytes, but 196 * isn't much faster than x86_memcpy for agp copies. 197 * 198 * TODO: switch dynamically. 199 */ 200static void * 201do_memcpy(void *dest, const void *src, size_t n) 202{ 203 if ((((unsigned long) src) & 63) || (((unsigned long) dest) & 63)) { 204 return __memcpy(dest, src, n); 205 } 206 else 207 return memcpy(dest, src, n); 208} 209 210 211/** 212 * Return default texture usage bitmask for the given texture format. 213 */ 214static GLuint 215default_usage(enum pipe_format fmt) 216{ 217 GLuint usage = PIPE_TEXTURE_USAGE_SAMPLER; 218 if (util_format_is_depth_or_stencil(fmt)) 219 usage |= PIPE_TEXTURE_USAGE_DEPTH_STENCIL; 220 else 221 usage |= PIPE_TEXTURE_USAGE_RENDER_TARGET; 222 return usage; 223} 224 225 226/** 227 * Allocate a pipe_texture object for the given st_texture_object using 228 * the given st_texture_image to guess the mipmap size/levels. 229 * 230 * [comments...] 231 * Otherwise, store it in memory if (Border != 0) or (any dimension == 232 * 1). 233 * 234 * Otherwise, if max_level >= level >= min_level, create texture with 235 * space for images from min_level down to max_level. 236 * 237 * Otherwise, create texture with space for images from (level 0)..(1x1). 238 * Consider pruning this texture at a validation if the saving is worth it. 239 */ 240static void 241guess_and_alloc_texture(struct st_context *st, 242 struct st_texture_object *stObj, 243 const struct st_texture_image *stImage) 244{ 245 GLuint firstLevel; 246 GLuint lastLevel; 247 GLuint width = stImage->base.Width2; /* size w/out border */ 248 GLuint height = stImage->base.Height2; 249 GLuint depth = stImage->base.Depth2; 250 GLuint i, usage; 251 enum pipe_format fmt; 252 253 DBG("%s\n", __FUNCTION__); 254 255 assert(!stObj->pt); 256 257 if (stObj->pt && 258 (GLint) stImage->level > stObj->base.BaseLevel && 259 (stImage->base.Width == 1 || 260 (stObj->base.Target != GL_TEXTURE_1D && 261 stImage->base.Height == 1) || 262 (stObj->base.Target == GL_TEXTURE_3D && 263 stImage->base.Depth == 1))) 264 return; 265 266 /* If this image disrespects BaseLevel, allocate from level zero. 267 * Usually BaseLevel == 0, so it's unlikely to happen. 268 */ 269 if ((GLint) stImage->level < stObj->base.BaseLevel) 270 firstLevel = 0; 271 else 272 firstLevel = stObj->base.BaseLevel; 273 274 275 /* Figure out image dimensions at start level. 276 */ 277 for (i = stImage->level; i > firstLevel; i--) { 278 if (width != 1) 279 width <<= 1; 280 if (height != 1) 281 height <<= 1; 282 if (depth != 1) 283 depth <<= 1; 284 } 285 286 if (width == 0 || height == 0 || depth == 0) { 287 /* no texture needed */ 288 return; 289 } 290 291 /* Guess a reasonable value for lastLevel. This is probably going 292 * to be wrong fairly often and might mean that we have to look at 293 * resizable buffers, or require that buffers implement lazy 294 * pagetable arrangements. 295 */ 296 if ((stObj->base.MinFilter == GL_NEAREST || 297 stObj->base.MinFilter == GL_LINEAR || 298 stImage->base._BaseFormat == GL_DEPTH_COMPONENT || 299 stImage->base._BaseFormat == GL_DEPTH_STENCIL_EXT) && 300 !stObj->base.GenerateMipmap && 301 stImage->level == firstLevel) { 302 /* only alloc space for a single mipmap level */ 303 lastLevel = firstLevel; 304 } 305 else { 306 /* alloc space for a full mipmap */ 307 GLuint l2width = util_logbase2(width); 308 GLuint l2height = util_logbase2(height); 309 GLuint l2depth = util_logbase2(depth); 310 lastLevel = firstLevel + MAX2(MAX2(l2width, l2height), l2depth); 311 } 312 313 fmt = st_mesa_format_to_pipe_format(stImage->base.TexFormat); 314 315 usage = default_usage(fmt); 316 317 stObj->pt = st_texture_create(st, 318 gl_target_to_pipe(stObj->base.Target), 319 fmt, 320 lastLevel, 321 width, 322 height, 323 depth, 324 usage); 325 326 stObj->pipe = st->pipe; 327 328 DBG("%s - success\n", __FUNCTION__); 329} 330 331 332/** 333 * Adjust pixel unpack params and image dimensions to strip off the 334 * texture border. 335 * Gallium doesn't support texture borders. They've seldem been used 336 * and seldom been implemented correctly anyway. 337 * \param unpackNew returns the new pixel unpack parameters 338 */ 339static void 340strip_texture_border(GLint border, 341 GLint *width, GLint *height, GLint *depth, 342 const struct gl_pixelstore_attrib *unpack, 343 struct gl_pixelstore_attrib *unpackNew) 344{ 345 assert(border > 0); /* sanity check */ 346 347 *unpackNew = *unpack; 348 349 if (unpackNew->RowLength == 0) 350 unpackNew->RowLength = *width; 351 352 if (depth && unpackNew->ImageHeight == 0) 353 unpackNew->ImageHeight = *height; 354 355 unpackNew->SkipPixels += border; 356 if (height) 357 unpackNew->SkipRows += border; 358 if (depth) 359 unpackNew->SkipImages += border; 360 361 assert(*width >= 3); 362 *width = *width - 2 * border; 363 if (height && *height >= 3) 364 *height = *height - 2 * border; 365 if (depth && *depth >= 3) 366 *depth = *depth - 2 * border; 367} 368 369 370/** 371 * Try to do texture compression via rendering. If the Gallium driver 372 * can render into a compressed surface this will allow us to do texture 373 * compression. 374 * \return GL_TRUE for success, GL_FALSE for failure 375 */ 376static GLboolean 377compress_with_blit(GLcontext * ctx, 378 GLenum target, GLint level, 379 GLint xoffset, GLint yoffset, GLint zoffset, 380 GLint width, GLint height, GLint depth, 381 GLenum format, GLenum type, const void *pixels, 382 const struct gl_pixelstore_attrib *unpack, 383 struct gl_texture_image *texImage) 384{ 385 const GLuint dstImageOffsets[1] = {0}; 386 struct st_texture_image *stImage = st_texture_image(texImage); 387 struct pipe_context *pipe = ctx->st->pipe; 388 struct pipe_screen *screen = pipe->screen; 389 gl_format mesa_format; 390 struct pipe_texture templ; 391 struct pipe_texture *src_tex; 392 struct pipe_sampler_view view_templ; 393 struct pipe_sampler_view *src_view; 394 struct pipe_surface *dst_surface; 395 struct pipe_transfer *tex_xfer; 396 void *map; 397 398 if (!stImage->pt) { 399 /* XXX: Can this happen? Should we assert? */ 400 return GL_FALSE; 401 } 402 403 /* get destination surface (in the compressed texture) */ 404 dst_surface = screen->get_tex_surface(screen, stImage->pt, 405 stImage->face, stImage->level, 0, 406 PIPE_BUFFER_USAGE_GPU_WRITE); 407 if (!dst_surface) { 408 /* can't render into this format (or other problem) */ 409 return GL_FALSE; 410 } 411 412 /* Choose format for the temporary RGBA texture image. 413 */ 414 mesa_format = st_ChooseTextureFormat(ctx, GL_RGBA, format, type); 415 assert(mesa_format); 416 if (!mesa_format) 417 return GL_FALSE; 418 419 /* Create the temporary source texture 420 */ 421 memset(&templ, 0, sizeof(templ)); 422 templ.target = PIPE_TEXTURE_2D; 423 templ.format = st_mesa_format_to_pipe_format(mesa_format); 424 templ.width0 = width; 425 templ.height0 = height; 426 templ.depth0 = 1; 427 templ.last_level = 0; 428 templ.tex_usage = PIPE_TEXTURE_USAGE_SAMPLER; 429 src_tex = screen->texture_create(screen, &templ); 430 431 if (!src_tex) 432 return GL_FALSE; 433 434 /* Put user's tex data into the temporary texture 435 */ 436 tex_xfer = st_cond_flush_get_tex_transfer(st_context(ctx), src_tex, 437 0, 0, 0, /* face, level are zero */ 438 PIPE_TRANSFER_WRITE, 439 0, 0, width, height); /* x, y, w, h */ 440 map = pipe->transfer_map(pipe, tex_xfer); 441 442 _mesa_texstore(ctx, 2, GL_RGBA, mesa_format, 443 map, /* dest ptr */ 444 0, 0, 0, /* dest x/y/z offset */ 445 tex_xfer->stride, /* dest row stride (bytes) */ 446 dstImageOffsets, /* image offsets (for 3D only) */ 447 width, height, 1, /* size */ 448 format, type, /* source format/type */ 449 pixels, /* source data */ 450 unpack); /* source data packing */ 451 452 pipe->transfer_unmap(pipe, tex_xfer); 453 pipe->tex_transfer_destroy(pipe, tex_xfer); 454 455 /* Create temporary sampler view */ 456 u_sampler_view_default_template(&view_templ, 457 src_tex, 458 src_tex->format); 459 src_view = pipe->create_sampler_view(pipe, src_tex, &view_templ); 460 461 462 /* copy / compress image */ 463 util_blit_pixels_tex(ctx->st->blit, 464 src_view, /* sampler view (src) */ 465 0, 0, /* src x0, y0 */ 466 width, height, /* src x1, y1 */ 467 dst_surface, /* pipe_surface (dst) */ 468 xoffset, yoffset, /* dst x0, y0 */ 469 xoffset + width, /* dst x1 */ 470 yoffset + height, /* dst y1 */ 471 0.0, /* z */ 472 PIPE_TEX_MIPFILTER_NEAREST); 473 474 pipe_surface_reference(&dst_surface, NULL); 475 pipe_texture_reference(&src_tex, NULL); 476 pipe_sampler_view_reference(&src_view, NULL); 477 478 return GL_TRUE; 479} 480 481 482/** 483 * Do glTexImage1/2/3D(). 484 */ 485static void 486st_TexImage(GLcontext * ctx, 487 GLint dims, 488 GLenum target, GLint level, 489 GLint internalFormat, 490 GLint width, GLint height, GLint depth, 491 GLint border, 492 GLenum format, GLenum type, const void *pixels, 493 const struct gl_pixelstore_attrib *unpack, 494 struct gl_texture_object *texObj, 495 struct gl_texture_image *texImage, 496 GLsizei imageSize, GLboolean compressed_src) 497{ 498 struct pipe_screen *screen = ctx->st->pipe->screen; 499 struct st_texture_object *stObj = st_texture_object(texObj); 500 struct st_texture_image *stImage = st_texture_image(texImage); 501 GLint postConvWidth, postConvHeight; 502 GLint texelBytes, sizeInBytes; 503 GLuint dstRowStride = 0; 504 struct gl_pixelstore_attrib unpackNB; 505 enum pipe_transfer_usage transfer_usage = 0; 506 507 DBG("%s target %s level %d %dx%dx%d border %d\n", __FUNCTION__, 508 _mesa_lookup_enum_by_nr(target), level, width, height, depth, border); 509 510 /* switch to "normal" */ 511 if (stObj->surface_based) { 512 _mesa_clear_texture_object(ctx, texObj); 513 stObj->surface_based = GL_FALSE; 514 } 515 516 /* gallium does not support texture borders, strip it off */ 517 if (border) { 518 strip_texture_border(border, &width, &height, &depth, unpack, &unpackNB); 519 unpack = &unpackNB; 520 texImage->Width = width; 521 texImage->Height = height; 522 texImage->Depth = depth; 523 texImage->Border = 0; 524 border = 0; 525 } 526 527 postConvWidth = width; 528 postConvHeight = height; 529 530 stImage->face = _mesa_tex_target_to_face(target); 531 stImage->level = level; 532 533#if FEATURE_convolve 534 if (ctx->_ImageTransferState & IMAGE_CONVOLUTION_BIT) { 535 _mesa_adjust_image_for_convolution(ctx, dims, &postConvWidth, 536 &postConvHeight); 537 } 538#endif 539 540 _mesa_set_fetch_functions(texImage, dims); 541 542 if (_mesa_is_format_compressed(texImage->TexFormat)) { 543 /* must be a compressed format */ 544 texelBytes = 0; 545 } 546 else { 547 texelBytes = _mesa_get_format_bytes(texImage->TexFormat); 548 549 /* Minimum pitch of 32 bytes */ 550 if (postConvWidth * texelBytes < 32) { 551 postConvWidth = 32 / texelBytes; 552 texImage->RowStride = postConvWidth; 553 } 554 555 /* we'll set RowStride elsewhere when the texture is a "mapped" state */ 556 /*assert(texImage->RowStride == postConvWidth);*/ 557 } 558 559 /* Release the reference to a potentially orphaned buffer. 560 * Release any old malloced memory. 561 */ 562 if (stImage->pt) { 563 pipe_texture_reference(&stImage->pt, NULL); 564 assert(!texImage->Data); 565 } 566 else if (texImage->Data) { 567 _mesa_align_free(texImage->Data); 568 } 569 570 /* 571 * See if the new image is somehow incompatible with the existing 572 * mipmap. If so, free the old mipmap. 573 */ 574 if (stObj->pt) { 575 if (stObj->teximage_realloc || 576 level > (GLint) stObj->pt->last_level || 577 !st_texture_match_image(stObj->pt, &stImage->base, 578 stImage->face, stImage->level)) { 579 DBG("release it\n"); 580 pipe_texture_reference(&stObj->pt, NULL); 581 assert(!stObj->pt); 582 pipe_sampler_view_reference(&stObj->sampler_view, NULL); 583 stObj->teximage_realloc = FALSE; 584 } 585 } 586 587 if (width == 0 || height == 0 || depth == 0) { 588 /* stop after freeing old image */ 589 return; 590 } 591 592 if (!stObj->pt) { 593 guess_and_alloc_texture(ctx->st, stObj, stImage); 594 if (!stObj->pt) { 595 /* Probably out of memory. 596 * Try flushing any pending rendering, then retry. 597 */ 598 st_finish(ctx->st); 599 guess_and_alloc_texture(ctx->st, stObj, stImage); 600 if (!stObj->pt) { 601 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage"); 602 return; 603 } 604 } 605 } 606 607 assert(!stImage->pt); 608 609 if (stObj->pt && 610 st_texture_match_image(stObj->pt, &stImage->base, 611 stImage->face, stImage->level)) { 612 613 pipe_texture_reference(&stImage->pt, stObj->pt); 614 assert(stImage->pt); 615 } 616 617 if (!stImage->pt) 618 DBG("XXX: Image did not fit into texture - storing in local memory!\n"); 619 620 /* st_CopyTexImage calls this function with pixels == NULL, with 621 * the expectation that the texture will be set up but nothing 622 * more will be done. This is where those calls return: 623 */ 624 if (compressed_src) { 625 pixels = _mesa_validate_pbo_compressed_teximage(ctx, imageSize, pixels, 626 unpack, 627 "glCompressedTexImage"); 628 } 629 else { 630 pixels = _mesa_validate_pbo_teximage(ctx, dims, width, height, 1, 631 format, type, 632 pixels, unpack, "glTexImage"); 633 } 634 635 /* Note: we can't check for pixels==NULL until after we've allocated 636 * memory for the texture. 637 */ 638 639 /* See if we can do texture compression with a blit/render. 640 */ 641 if (!compressed_src && 642 !ctx->Mesa_DXTn && 643 _mesa_is_format_compressed(texImage->TexFormat) && 644 screen->is_format_supported(screen, 645 stImage->pt->format, 646 stImage->pt->target, 647 PIPE_TEXTURE_USAGE_RENDER_TARGET, 0)) { 648 if (!pixels) 649 goto done; 650 651 if (compress_with_blit(ctx, target, level, 0, 0, 0, width, height, depth, 652 format, type, pixels, unpack, texImage)) { 653 goto done; 654 } 655 } 656 657 if (stImage->pt) { 658 if (format == GL_DEPTH_COMPONENT && 659 util_format_is_depth_and_stencil(stImage->pt->format)) 660 transfer_usage = PIPE_TRANSFER_READ_WRITE; 661 else 662 transfer_usage = PIPE_TRANSFER_WRITE; 663 664 texImage->Data = st_texture_image_map(ctx->st, stImage, 0, 665 transfer_usage, 0, 0, 666 stImage->base.Width, 667 stImage->base.Height); 668 if(stImage->transfer) 669 dstRowStride = stImage->transfer->stride; 670 } 671 else { 672 /* Allocate regular memory and store the image there temporarily. */ 673 if (_mesa_is_format_compressed(texImage->TexFormat)) { 674 sizeInBytes = _mesa_format_image_size(texImage->TexFormat, 675 texImage->Width, 676 texImage->Height, 677 texImage->Depth); 678 dstRowStride = _mesa_format_row_stride(texImage->TexFormat, width); 679 assert(dims != 3); 680 } 681 else { 682 dstRowStride = postConvWidth * texelBytes; 683 sizeInBytes = depth * dstRowStride * postConvHeight; 684 } 685 686 texImage->Data = _mesa_align_malloc(sizeInBytes, 16); 687 } 688 689 if (!texImage->Data) { 690 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage"); 691 return; 692 } 693 694 if (!pixels) 695 goto done; 696 697 DBG("Upload image %dx%dx%d row_len %x pitch %x\n", 698 width, height, depth, width * texelBytes, dstRowStride); 699 700 /* Copy data. Would like to know when it's ok for us to eg. use 701 * the blitter to copy. Or, use the hardware to do the format 702 * conversion and copy: 703 */ 704 if (compressed_src) { 705 const GLuint srcImageStride = _mesa_format_row_stride(texImage->TexFormat, width); 706 if(dstRowStride == srcImageStride) 707 memcpy(texImage->Data, pixels, imageSize); 708 else 709 { 710 char *dst = texImage->Data; 711 const char *src = pixels; 712 GLuint i, bw, bh, lines; 713 _mesa_get_format_block_size(texImage->TexFormat, &bw, &bh); 714 lines = (height + bh - 1) / bh; 715 716 for(i = 0; i < lines; ++i) 717 { 718 memcpy(dst, src, srcImageStride); 719 dst += dstRowStride; 720 src += srcImageStride; 721 } 722 } 723 } 724 else { 725 const GLuint srcImageStride = 726 _mesa_image_image_stride(unpack, width, height, format, type); 727 GLint i; 728 const GLubyte *src = (const GLubyte *) pixels; 729 730 for (i = 0; i < depth; i++) { 731 if (!_mesa_texstore(ctx, dims, 732 texImage->_BaseFormat, 733 texImage->TexFormat, 734 texImage->Data, 735 0, 0, 0, /* dstX/Y/Zoffset */ 736 dstRowStride, 737 texImage->ImageOffsets, 738 width, height, 1, 739 format, type, src, unpack)) { 740 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage"); 741 } 742 743 if (stImage->pt && i + 1 < depth) { 744 /* unmap this slice */ 745 st_texture_image_unmap(ctx->st, stImage); 746 /* map next slice of 3D texture */ 747 texImage->Data = st_texture_image_map(ctx->st, stImage, i + 1, 748 transfer_usage, 0, 0, 749 stImage->base.Width, 750 stImage->base.Height); 751 src += srcImageStride; 752 } 753 } 754 } 755 756done: 757 _mesa_unmap_teximage_pbo(ctx, unpack); 758 759 if (stImage->pt && texImage->Data) { 760 st_texture_image_unmap(ctx->st, stImage); 761 texImage->Data = NULL; 762 } 763} 764 765 766static void 767st_TexImage3D(GLcontext * ctx, 768 GLenum target, GLint level, 769 GLint internalFormat, 770 GLint width, GLint height, GLint depth, 771 GLint border, 772 GLenum format, GLenum type, const void *pixels, 773 const struct gl_pixelstore_attrib *unpack, 774 struct gl_texture_object *texObj, 775 struct gl_texture_image *texImage) 776{ 777 st_TexImage(ctx, 3, target, level, internalFormat, width, height, depth, 778 border, format, type, pixels, unpack, texObj, texImage, 779 0, GL_FALSE); 780} 781 782 783static void 784st_TexImage2D(GLcontext * ctx, 785 GLenum target, GLint level, 786 GLint internalFormat, 787 GLint width, GLint height, GLint border, 788 GLenum format, GLenum type, const void *pixels, 789 const struct gl_pixelstore_attrib *unpack, 790 struct gl_texture_object *texObj, 791 struct gl_texture_image *texImage) 792{ 793 st_TexImage(ctx, 2, target, level, internalFormat, width, height, 1, border, 794 format, type, pixels, unpack, texObj, texImage, 0, GL_FALSE); 795} 796 797 798static void 799st_TexImage1D(GLcontext * ctx, 800 GLenum target, GLint level, 801 GLint internalFormat, 802 GLint width, 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, 1, target, level, internalFormat, width, 1, 1, border, 809 format, type, pixels, unpack, texObj, texImage, 0, GL_FALSE); 810} 811 812 813static void 814st_CompressedTexImage2D(GLcontext *ctx, GLenum target, GLint level, 815 GLint internalFormat, 816 GLint width, GLint height, GLint border, 817 GLsizei imageSize, const GLvoid *data, 818 struct gl_texture_object *texObj, 819 struct gl_texture_image *texImage) 820{ 821 st_TexImage(ctx, 2, target, level, internalFormat, width, height, 1, border, 822 0, 0, data, &ctx->Unpack, texObj, texImage, imageSize, GL_TRUE); 823} 824 825 826 827/** 828 * glGetTexImage() helper: decompress a compressed texture by rendering 829 * a textured quad. Store the results in the user's buffer. 830 */ 831static void 832decompress_with_blit(GLcontext * ctx, GLenum target, GLint level, 833 GLenum format, GLenum type, GLvoid *pixels, 834 struct gl_texture_object *texObj, 835 struct gl_texture_image *texImage) 836{ 837 struct pipe_context *pipe = ctx->st->pipe; 838 struct pipe_screen *screen = pipe->screen; 839 struct st_texture_image *stImage = st_texture_image(texImage); 840 struct st_texture_object *stObj = st_texture_object(texObj); 841 struct pipe_sampler_view *src_view = st_get_stobj_sampler_view(stObj); 842 const GLuint width = texImage->Width; 843 const GLuint height = texImage->Height; 844 struct pipe_surface *dst_surface; 845 struct pipe_texture *dst_texture; 846 struct pipe_transfer *tex_xfer; 847 848 /* create temp / dest surface */ 849 if (!util_create_rgba_surface(screen, width, height, 850 &dst_texture, &dst_surface)) { 851 _mesa_problem(ctx, "util_create_rgba_surface() failed " 852 "in decompress_with_blit()"); 853 return; 854 } 855 856 /* blit/render/decompress */ 857 util_blit_pixels_tex(ctx->st->blit, 858 src_view, /* pipe_texture (src) */ 859 0, 0, /* src x0, y0 */ 860 width, height, /* src x1, y1 */ 861 dst_surface, /* pipe_surface (dst) */ 862 0, 0, /* dst x0, y0 */ 863 width, height, /* dst x1, y1 */ 864 0.0, /* z */ 865 PIPE_TEX_MIPFILTER_NEAREST); 866 867 /* map the dst_surface so we can read from it */ 868 tex_xfer = st_cond_flush_get_tex_transfer(st_context(ctx), 869 dst_texture, 0, 0, 0, 870 PIPE_TRANSFER_READ, 871 0, 0, width, height); 872 873 pixels = _mesa_map_pbo_dest(ctx, &ctx->Pack, pixels); 874 875 /* copy/pack data into user buffer */ 876 if (st_equal_formats(stImage->pt->format, format, type)) { 877 /* memcpy */ 878 const uint bytesPerRow = width * util_format_get_blocksize(stImage->pt->format); 879 ubyte *map = pipe->transfer_map(pipe, tex_xfer); 880 GLuint row; 881 for (row = 0; row < height; row++) { 882 GLvoid *dest = _mesa_image_address2d(&ctx->Pack, pixels, width, 883 height, format, type, row, 0); 884 memcpy(dest, map, bytesPerRow); 885 map += tex_xfer->stride; 886 } 887 pipe->transfer_unmap(pipe, tex_xfer); 888 } 889 else { 890 /* format translation via floats */ 891 GLuint row; 892 for (row = 0; row < height; row++) { 893 const GLbitfield transferOps = 0x0; /* bypassed for glGetTexImage() */ 894 GLfloat rgba[4 * MAX_WIDTH]; 895 GLvoid *dest = _mesa_image_address2d(&ctx->Pack, pixels, width, 896 height, format, type, row, 0); 897 898 if (ST_DEBUG & DEBUG_FALLBACK) 899 debug_printf("%s: fallback format translation\n", __FUNCTION__); 900 901 /* get float[4] rgba row from surface */ 902 pipe_get_tile_rgba(pipe, tex_xfer, 0, row, width, 1, rgba); 903 904 _mesa_pack_rgba_span_float(ctx, width, (GLfloat (*)[4]) rgba, format, 905 type, dest, &ctx->Pack, transferOps); 906 } 907 } 908 909 _mesa_unmap_pbo_dest(ctx, &ctx->Pack); 910 911 pipe->tex_transfer_destroy(pipe, tex_xfer); 912 913 /* destroy the temp / dest surface */ 914 util_destroy_rgba_surface(dst_texture, dst_surface); 915} 916 917 918 919/** 920 * Need to map texture image into memory before copying image data, 921 * then unmap it. 922 */ 923static void 924st_get_tex_image(GLcontext * ctx, GLenum target, GLint level, 925 GLenum format, GLenum type, GLvoid * pixels, 926 struct gl_texture_object *texObj, 927 struct gl_texture_image *texImage, GLboolean compressed_dst) 928{ 929 struct st_texture_image *stImage = st_texture_image(texImage); 930 const GLuint dstImageStride = 931 _mesa_image_image_stride(&ctx->Pack, texImage->Width, texImage->Height, 932 format, type); 933 GLuint depth, i; 934 GLubyte *dest; 935 936 if (stImage->pt && 937 util_format_is_compressed(stImage->pt->format) && 938 !compressed_dst) { 939 /* Need to decompress the texture. 940 * We'll do this by rendering a textured quad. 941 * Note that we only expect RGBA formats (no Z/depth formats). 942 */ 943 decompress_with_blit(ctx, target, level, format, type, pixels, 944 texObj, texImage); 945 return; 946 } 947 948 /* Map */ 949 if (stImage->pt) { 950 /* Image is stored in hardware format in a buffer managed by the 951 * kernel. Need to explicitly map and unmap it. 952 */ 953 unsigned face = _mesa_tex_target_to_face(target); 954 955 st_teximage_flush_before_map(ctx->st, stImage->pt, face, level, 956 PIPE_TRANSFER_READ); 957 958 texImage->Data = st_texture_image_map(ctx->st, stImage, 0, 959 PIPE_TRANSFER_READ, 0, 0, 960 stImage->base.Width, 961 stImage->base.Height); 962 texImage->RowStride = stImage->transfer->stride / util_format_get_blocksize(stImage->pt->format); 963 } 964 else { 965 /* Otherwise, the image should actually be stored in 966 * texImage->Data. This is pretty confusing for 967 * everybody, I'd much prefer to separate the two functions of 968 * texImage->Data - storage for texture images in main memory 969 * and access (ie mappings) of images. In other words, we'd 970 * create a new texImage->Map field and leave Data simply for 971 * storage. 972 */ 973 assert(texImage->Data); 974 } 975 976 depth = texImage->Depth; 977 texImage->Depth = 1; 978 979 dest = (GLubyte *) pixels; 980 981 for (i = 0; i < depth; i++) { 982 if (compressed_dst) { 983 _mesa_get_compressed_teximage(ctx, target, level, dest, 984 texObj, texImage); 985 } 986 else { 987 _mesa_get_teximage(ctx, target, level, format, type, dest, 988 texObj, texImage); 989 } 990 991 if (stImage->pt && i + 1 < depth) { 992 /* unmap this slice */ 993 st_texture_image_unmap(ctx->st, stImage); 994 /* map next slice of 3D texture */ 995 texImage->Data = st_texture_image_map(ctx->st, stImage, i + 1, 996 PIPE_TRANSFER_READ, 0, 0, 997 stImage->base.Width, 998 stImage->base.Height); 999 dest += dstImageStride; 1000 } 1001 } 1002 1003 texImage->Depth = depth; 1004 1005 /* Unmap */ 1006 if (stImage->pt) { 1007 st_texture_image_unmap(ctx->st, stImage); 1008 texImage->Data = NULL; 1009 } 1010} 1011 1012 1013static void 1014st_GetTexImage(GLcontext * ctx, GLenum target, GLint level, 1015 GLenum format, GLenum type, GLvoid * pixels, 1016 struct gl_texture_object *texObj, 1017 struct gl_texture_image *texImage) 1018{ 1019 st_get_tex_image(ctx, target, level, format, type, pixels, texObj, texImage, 1020 GL_FALSE); 1021} 1022 1023 1024static void 1025st_GetCompressedTexImage(GLcontext *ctx, GLenum target, GLint level, 1026 GLvoid *pixels, 1027 struct gl_texture_object *texObj, 1028 struct gl_texture_image *texImage) 1029{ 1030 st_get_tex_image(ctx, target, level, 0, 0, pixels, texObj, texImage, 1031 GL_TRUE); 1032} 1033 1034 1035 1036static void 1037st_TexSubimage(GLcontext *ctx, GLint dims, GLenum target, GLint level, 1038 GLint xoffset, GLint yoffset, GLint zoffset, 1039 GLint width, GLint height, GLint depth, 1040 GLenum format, GLenum type, const void *pixels, 1041 const struct gl_pixelstore_attrib *packing, 1042 struct gl_texture_object *texObj, 1043 struct gl_texture_image *texImage) 1044{ 1045 struct pipe_screen *screen = ctx->st->pipe->screen; 1046 struct st_texture_image *stImage = st_texture_image(texImage); 1047 GLuint dstRowStride; 1048 const GLuint srcImageStride = 1049 _mesa_image_image_stride(packing, width, height, format, type); 1050 GLint i; 1051 const GLubyte *src; 1052 /* init to silence warning only: */ 1053 enum pipe_transfer_usage transfer_usage = PIPE_TRANSFER_WRITE; 1054 1055 DBG("%s target %s level %d offset %d,%d %dx%d\n", __FUNCTION__, 1056 _mesa_lookup_enum_by_nr(target), 1057 level, xoffset, yoffset, width, height); 1058 1059 pixels = 1060 _mesa_validate_pbo_teximage(ctx, dims, width, height, depth, format, 1061 type, pixels, packing, "glTexSubImage2D"); 1062 if (!pixels) 1063 return; 1064 1065 /* See if we can do texture compression with a blit/render. 1066 */ 1067 if (!ctx->Mesa_DXTn && 1068 _mesa_is_format_compressed(texImage->TexFormat) && 1069 screen->is_format_supported(screen, 1070 stImage->pt->format, 1071 stImage->pt->target, 1072 PIPE_TEXTURE_USAGE_RENDER_TARGET, 0)) { 1073 if (compress_with_blit(ctx, target, level, 1074 xoffset, yoffset, zoffset, 1075 width, height, depth, 1076 format, type, pixels, packing, texImage)) { 1077 goto done; 1078 } 1079 } 1080 1081 /* Map buffer if necessary. Need to lock to prevent other contexts 1082 * from uploading the buffer under us. 1083 */ 1084 if (stImage->pt) { 1085 unsigned face = _mesa_tex_target_to_face(target); 1086 1087 if (format == GL_DEPTH_COMPONENT && 1088 util_format_is_depth_and_stencil(stImage->pt->format)) 1089 transfer_usage = PIPE_TRANSFER_READ_WRITE; 1090 else 1091 transfer_usage = PIPE_TRANSFER_WRITE; 1092 1093 st_teximage_flush_before_map(ctx->st, stImage->pt, face, level, 1094 transfer_usage); 1095 texImage->Data = st_texture_image_map(ctx->st, stImage, zoffset, 1096 transfer_usage, 1097 xoffset, yoffset, 1098 width, height); 1099 } 1100 1101 if (!texImage->Data) { 1102 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage"); 1103 goto done; 1104 } 1105 1106 src = (const GLubyte *) pixels; 1107 dstRowStride = stImage->transfer->stride; 1108 1109 for (i = 0; i < depth; i++) { 1110 if (!_mesa_texstore(ctx, dims, texImage->_BaseFormat, 1111 texImage->TexFormat, 1112 texImage->Data, 1113 0, 0, 0, 1114 dstRowStride, 1115 texImage->ImageOffsets, 1116 width, height, 1, 1117 format, type, src, packing)) { 1118 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage"); 1119 } 1120 1121 if (stImage->pt && i + 1 < depth) { 1122 /* unmap this slice */ 1123 st_texture_image_unmap(ctx->st, stImage); 1124 /* map next slice of 3D texture */ 1125 texImage->Data = st_texture_image_map(ctx->st, stImage, 1126 zoffset + i + 1, 1127 transfer_usage, 1128 xoffset, yoffset, 1129 width, height); 1130 src += srcImageStride; 1131 } 1132 } 1133 1134done: 1135 _mesa_unmap_teximage_pbo(ctx, packing); 1136 1137 if (stImage->pt && texImage->Data) { 1138 st_texture_image_unmap(ctx->st, stImage); 1139 texImage->Data = NULL; 1140 } 1141} 1142 1143 1144 1145static void 1146st_TexSubImage3D(GLcontext *ctx, GLenum target, GLint level, 1147 GLint xoffset, GLint yoffset, GLint zoffset, 1148 GLsizei width, GLsizei height, GLsizei depth, 1149 GLenum format, GLenum type, const GLvoid *pixels, 1150 const struct gl_pixelstore_attrib *packing, 1151 struct gl_texture_object *texObj, 1152 struct gl_texture_image *texImage) 1153{ 1154 st_TexSubimage(ctx, 3, target, level, xoffset, yoffset, zoffset, 1155 width, height, depth, format, type, 1156 pixels, packing, texObj, texImage); 1157} 1158 1159 1160static void 1161st_TexSubImage2D(GLcontext *ctx, GLenum target, GLint level, 1162 GLint xoffset, GLint yoffset, 1163 GLsizei width, GLsizei height, 1164 GLenum format, GLenum type, const GLvoid * pixels, 1165 const struct gl_pixelstore_attrib *packing, 1166 struct gl_texture_object *texObj, 1167 struct gl_texture_image *texImage) 1168{ 1169 st_TexSubimage(ctx, 2, target, level, xoffset, yoffset, 0, 1170 width, height, 1, format, type, 1171 pixels, packing, texObj, texImage); 1172} 1173 1174 1175static void 1176st_TexSubImage1D(GLcontext *ctx, GLenum target, GLint level, 1177 GLint xoffset, GLsizei width, GLenum format, GLenum type, 1178 const GLvoid * pixels, 1179 const struct gl_pixelstore_attrib *packing, 1180 struct gl_texture_object *texObj, 1181 struct gl_texture_image *texImage) 1182{ 1183 st_TexSubimage(ctx, 1, target, level, xoffset, 0, 0, width, 1, 1, 1184 format, type, pixels, packing, texObj, texImage); 1185} 1186 1187 1188static void 1189st_CompressedTexSubImage1D(GLcontext *ctx, GLenum target, GLint level, 1190 GLint xoffset, GLsizei width, 1191 GLenum format, 1192 GLsizei imageSize, const GLvoid *data, 1193 struct gl_texture_object *texObj, 1194 struct gl_texture_image *texImage) 1195{ 1196 assert(0); 1197} 1198 1199 1200static void 1201st_CompressedTexSubImage2D(GLcontext *ctx, GLenum target, GLint level, 1202 GLint xoffset, GLint yoffset, 1203 GLsizei width, GLint height, 1204 GLenum format, 1205 GLsizei imageSize, const GLvoid *data, 1206 struct gl_texture_object *texObj, 1207 struct gl_texture_image *texImage) 1208{ 1209 struct st_texture_image *stImage = st_texture_image(texImage); 1210 int srcBlockStride; 1211 int dstBlockStride; 1212 int y; 1213 enum pipe_format pformat= stImage->pt->format; 1214 1215 if (stImage->pt) { 1216 unsigned face = _mesa_tex_target_to_face(target); 1217 1218 st_teximage_flush_before_map(ctx->st, stImage->pt, face, level, 1219 PIPE_TRANSFER_WRITE); 1220 texImage->Data = st_texture_image_map(ctx->st, stImage, 0, 1221 PIPE_TRANSFER_WRITE, 1222 xoffset, yoffset, 1223 width, height); 1224 1225 srcBlockStride = util_format_get_stride(pformat, width); 1226 dstBlockStride = stImage->transfer->stride; 1227 } else { 1228 assert(stImage->pt); 1229 /* TODO find good values for block and strides */ 1230 /* TODO also adjust texImage->data for yoffset/xoffset */ 1231 return; 1232 } 1233 1234 if (!texImage->Data) { 1235 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexSubImage"); 1236 return; 1237 } 1238 1239 assert(xoffset % util_format_get_blockwidth(pformat) == 0); 1240 assert(yoffset % util_format_get_blockheight(pformat) == 0); 1241 assert(width % util_format_get_blockwidth(pformat) == 0); 1242 assert(height % util_format_get_blockheight(pformat) == 0); 1243 1244 for (y = 0; y < height; y += util_format_get_blockheight(pformat)) { 1245 /* don't need to adjust for xoffset and yoffset as st_texture_image_map does that */ 1246 const char *src = (const char*)data + srcBlockStride * util_format_get_nblocksy(pformat, y); 1247 char *dst = (char*)texImage->Data + dstBlockStride * util_format_get_nblocksy(pformat, y); 1248 memcpy(dst, src, util_format_get_stride(pformat, width)); 1249 } 1250 1251 if (stImage->pt) { 1252 st_texture_image_unmap(ctx->st, stImage); 1253 texImage->Data = NULL; 1254 } 1255} 1256 1257 1258static void 1259st_CompressedTexSubImage3D(GLcontext *ctx, GLenum target, GLint level, 1260 GLint xoffset, GLint yoffset, GLint zoffset, 1261 GLsizei width, GLint height, GLint depth, 1262 GLenum format, 1263 GLsizei imageSize, const GLvoid *data, 1264 struct gl_texture_object *texObj, 1265 struct gl_texture_image *texImage) 1266{ 1267 assert(0); 1268} 1269 1270 1271 1272/** 1273 * Do a CopyTexSubImage operation using a read transfer from the source, 1274 * a write transfer to the destination and get_tile()/put_tile() to access 1275 * the pixels/texels. 1276 * 1277 * Note: srcY=0=TOP of renderbuffer 1278 */ 1279static void 1280fallback_copy_texsubimage(GLcontext *ctx, GLenum target, GLint level, 1281 struct st_renderbuffer *strb, 1282 struct st_texture_image *stImage, 1283 GLenum baseFormat, 1284 GLint destX, GLint destY, GLint destZ, 1285 GLint srcX, GLint srcY, 1286 GLsizei width, GLsizei height) 1287{ 1288 struct pipe_context *pipe = ctx->st->pipe; 1289 struct pipe_transfer *src_trans; 1290 GLvoid *texDest; 1291 enum pipe_transfer_usage transfer_usage; 1292 1293 if (ST_DEBUG & DEBUG_FALLBACK) 1294 debug_printf("%s: fallback processing\n", __FUNCTION__); 1295 1296 assert(width <= MAX_WIDTH); 1297 1298 if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) { 1299 srcY = strb->Base.Height - srcY - height; 1300 } 1301 1302 src_trans = st_cond_flush_get_tex_transfer( st_context(ctx), 1303 strb->texture, 1304 0, 0, 0, 1305 PIPE_TRANSFER_READ, 1306 srcX, srcY, 1307 width, height); 1308 1309 if ((baseFormat == GL_DEPTH_COMPONENT || 1310 baseFormat == GL_DEPTH_STENCIL) && 1311 util_format_is_depth_and_stencil(stImage->pt->format)) 1312 transfer_usage = PIPE_TRANSFER_READ_WRITE; 1313 else 1314 transfer_usage = PIPE_TRANSFER_WRITE; 1315 1316 st_teximage_flush_before_map(ctx->st, stImage->pt, 0, 0, 1317 transfer_usage); 1318 1319 texDest = st_texture_image_map(ctx->st, stImage, 0, transfer_usage, 1320 destX, destY, width, height); 1321 1322 if (baseFormat == GL_DEPTH_COMPONENT || 1323 baseFormat == GL_DEPTH_STENCIL) { 1324 const GLboolean scaleOrBias = (ctx->Pixel.DepthScale != 1.0F || 1325 ctx->Pixel.DepthBias != 0.0F); 1326 GLint row, yStep; 1327 1328 /* determine bottom-to-top vs. top-to-bottom order for src buffer */ 1329 if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) { 1330 srcY = height - 1; 1331 yStep = -1; 1332 } 1333 else { 1334 srcY = 0; 1335 yStep = 1; 1336 } 1337 1338 /* To avoid a large temp memory allocation, do copy row by row */ 1339 for (row = 0; row < height; row++, srcY += yStep) { 1340 uint data[MAX_WIDTH]; 1341 pipe_get_tile_z(pipe, src_trans, 0, srcY, width, 1, data); 1342 if (scaleOrBias) { 1343 _mesa_scale_and_bias_depth_uint(ctx, width, data); 1344 } 1345 pipe_put_tile_z(pipe, stImage->transfer, 0, row, width, 1, data); 1346 } 1347 } 1348 else { 1349 /* RGBA format */ 1350 GLfloat *tempSrc = 1351 (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat)); 1352 1353 if (tempSrc && texDest) { 1354 const GLint dims = 2; 1355 const GLint dstRowStride = stImage->transfer->stride; 1356 struct gl_texture_image *texImage = &stImage->base; 1357 struct gl_pixelstore_attrib unpack = ctx->DefaultPacking; 1358 1359 if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) { 1360 unpack.Invert = GL_TRUE; 1361 } 1362 1363 /* get float/RGBA image from framebuffer */ 1364 /* XXX this usually involves a lot of int/float conversion. 1365 * try to avoid that someday. 1366 */ 1367 pipe_get_tile_rgba(pipe, src_trans, 0, 0, width, height, tempSrc); 1368 1369 /* Store into texture memory. 1370 * Note that this does some special things such as pixel transfer 1371 * ops and format conversion. In particular, if the dest tex format 1372 * is actually RGBA but the user created the texture as GL_RGB we 1373 * need to fill-in/override the alpha channel with 1.0. 1374 */ 1375 _mesa_texstore(ctx, dims, 1376 texImage->_BaseFormat, 1377 texImage->TexFormat, 1378 texDest, 1379 0, 0, 0, 1380 dstRowStride, 1381 texImage->ImageOffsets, 1382 width, height, 1, 1383 GL_RGBA, GL_FLOAT, tempSrc, /* src */ 1384 &unpack); 1385 } 1386 else { 1387 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage"); 1388 } 1389 1390 if (tempSrc) 1391 free(tempSrc); 1392 } 1393 1394 st_texture_image_unmap(ctx->st, stImage); 1395 pipe->tex_transfer_destroy(pipe, src_trans); 1396} 1397 1398 1399 1400/** 1401 * If the format of the src renderbuffer and the format of the dest 1402 * texture are compatible (in terms of blitting), return a TGSI writemask 1403 * to be used during the blit. 1404 * If the src/dest are incompatible, return 0. 1405 */ 1406static unsigned 1407compatible_src_dst_formats(GLcontext *ctx, 1408 const struct gl_renderbuffer *src, 1409 const struct gl_texture_image *dst) 1410{ 1411 /* Get logical base formats for the src and dest. 1412 * That is, use the user-requested formats and not the actual, device- 1413 * chosen formats. 1414 * For example, the user may have requested an A8 texture but the 1415 * driver may actually be using an RGBA texture format. When we 1416 * copy/blit to that texture, we only want to copy the Alpha channel 1417 * and not the RGB channels. 1418 * 1419 * Similarly, when the src FBO was created an RGB format may have been 1420 * requested but the driver actually chose an RGBA format. In that case, 1421 * we don't want to copy the undefined Alpha channel to the dest texture 1422 * (it should be 1.0). 1423 */ 1424 const GLenum srcFormat = _mesa_base_fbo_format(ctx, src->InternalFormat); 1425 const GLenum dstFormat = _mesa_base_tex_format(ctx, dst->InternalFormat); 1426 1427 /** 1428 * XXX when we have red-only and red/green renderbuffers we'll need 1429 * to add more cases here (or implement a general-purpose routine that 1430 * queries the existance of the R,G,B,A channels in the src and dest). 1431 */ 1432 if (srcFormat == dstFormat) { 1433 /* This is the same as matching_base_formats, which should 1434 * always pass, as it did previously. 1435 */ 1436 return TGSI_WRITEMASK_XYZW; 1437 } 1438 else if (srcFormat == GL_RGB && dstFormat == GL_RGBA) { 1439 /* Make sure that A in the dest is 1. The actual src format 1440 * may be RGBA and have undefined A values. 1441 */ 1442 return TGSI_WRITEMASK_XYZ; 1443 } 1444 else if (srcFormat == GL_RGBA && dstFormat == GL_RGB) { 1445 /* Make sure that A in the dest is 1. The actual dst format 1446 * may be RGBA and will need A=1 to provide proper alpha values 1447 * when sampled later. 1448 */ 1449 return TGSI_WRITEMASK_XYZ; 1450 } 1451 else { 1452 if (ST_DEBUG & DEBUG_FALLBACK) 1453 debug_printf("%s failed for src %s, dst %s\n", 1454 __FUNCTION__, 1455 _mesa_lookup_enum_by_nr(srcFormat), 1456 _mesa_lookup_enum_by_nr(dstFormat)); 1457 1458 /* Otherwise fail. 1459 */ 1460 return 0; 1461 } 1462} 1463 1464 1465 1466/** 1467 * Do a CopyTex[Sub]Image1/2/3D() using a hardware (blit) path if possible. 1468 * Note that the region to copy has already been clipped so we know we 1469 * won't read from outside the source renderbuffer's bounds. 1470 * 1471 * Note: srcY=0=Bottom of renderbuffer (GL convention) 1472 */ 1473static void 1474st_copy_texsubimage(GLcontext *ctx, 1475 GLenum target, GLint level, 1476 GLint destX, GLint destY, GLint destZ, 1477 GLint srcX, GLint srcY, 1478 GLsizei width, GLsizei height) 1479{ 1480 struct gl_texture_unit *texUnit = 1481 &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; 1482 struct gl_texture_object *texObj = 1483 _mesa_select_tex_object(ctx, texUnit, target); 1484 struct gl_texture_image *texImage = 1485 _mesa_select_tex_image(ctx, texObj, target, level); 1486 struct st_texture_image *stImage = st_texture_image(texImage); 1487 const GLenum texBaseFormat = texImage->_BaseFormat; 1488 struct gl_framebuffer *fb = ctx->ReadBuffer; 1489 struct st_renderbuffer *strb; 1490 struct pipe_context *pipe = ctx->st->pipe; 1491 struct pipe_screen *screen = pipe->screen; 1492 enum pipe_format dest_format, src_format; 1493 GLboolean use_fallback = GL_TRUE; 1494 GLboolean matching_base_formats; 1495 GLuint format_writemask; 1496 struct pipe_surface *dest_surface = NULL; 1497 GLboolean do_flip = (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP); 1498 1499 /* any rendering in progress must flushed before we grab the fb image */ 1500 st_flush(ctx->st, PIPE_FLUSH_RENDER_CACHE, NULL); 1501 1502 /* make sure finalize_textures has been called? 1503 */ 1504 if (0) st_validate_state(ctx->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 if (srcX < 0) { 1522 width -= -srcX; 1523 destX += -srcX; 1524 srcX = 0; 1525 } 1526 1527 if (srcY < 0) { 1528 height -= -srcY; 1529 destY += -srcY; 1530 srcY = 0; 1531 } 1532 1533 if (destX < 0) { 1534 width -= -destX; 1535 srcX += -destX; 1536 destX = 0; 1537 } 1538 1539 if (destY < 0) { 1540 height -= -destY; 1541 srcY += -destY; 1542 destY = 0; 1543 } 1544 1545 if (width < 0 || height < 0) 1546 return; 1547 1548 1549 assert(strb); 1550 assert(strb->surface); 1551 assert(stImage->pt); 1552 1553 src_format = strb->surface->format; 1554 dest_format = stImage->pt->format; 1555 1556 /* 1557 * Determine if the src framebuffer and dest texture have the same 1558 * base format. We need this to detect a case such as the framebuffer 1559 * being GL_RGBA but the texture being GL_RGB. If the actual hardware 1560 * texture format stores RGBA we need to set A=1 (overriding the 1561 * framebuffer's alpha values). We can't do that with the blit or 1562 * textured-quad paths. 1563 */ 1564 matching_base_formats = 1565 (_mesa_get_format_base_format(strb->Base.Format) == 1566 _mesa_get_format_base_format(texImage->TexFormat)); 1567 format_writemask = compatible_src_dst_formats(ctx, &strb->Base, texImage); 1568 1569 if (ctx->_ImageTransferState == 0x0) { 1570 1571 if (matching_base_formats && 1572 src_format == dest_format && 1573 !do_flip) 1574 { 1575 /* use surface_copy() / blit */ 1576 1577 dest_surface = screen->get_tex_surface(screen, stImage->pt, 1578 stImage->face, stImage->level, 1579 destZ, 1580 PIPE_BUFFER_USAGE_GPU_WRITE); 1581 1582 /* for surface_copy(), y=0=top, always */ 1583 pipe->surface_copy(pipe, 1584 /* dest */ 1585 dest_surface, 1586 destX, destY, 1587 /* src */ 1588 strb->surface, 1589 srcX, srcY, 1590 /* size */ 1591 width, height); 1592 use_fallback = GL_FALSE; 1593 } 1594 else if (format_writemask && 1595 texBaseFormat != GL_DEPTH_COMPONENT && 1596 texBaseFormat != GL_DEPTH_STENCIL && 1597 screen->is_format_supported(screen, src_format, 1598 PIPE_TEXTURE_2D, 1599 PIPE_TEXTURE_USAGE_SAMPLER, 1600 0) && 1601 screen->is_format_supported(screen, dest_format, 1602 PIPE_TEXTURE_2D, 1603 PIPE_TEXTURE_USAGE_RENDER_TARGET, 1604 0)) { 1605 /* draw textured quad to do the copy */ 1606 GLint srcY0, srcY1; 1607 1608 dest_surface = screen->get_tex_surface(screen, stImage->pt, 1609 stImage->face, stImage->level, 1610 destZ, 1611 PIPE_BUFFER_USAGE_GPU_WRITE); 1612 1613 if (do_flip) { 1614 srcY1 = strb->Base.Height - srcY - height; 1615 srcY0 = srcY1 + height; 1616 } 1617 else { 1618 srcY0 = srcY; 1619 srcY1 = srcY0 + height; 1620 } 1621 util_blit_pixels_writemask(ctx->st->blit, 1622 strb->surface, 1623 st_renderbuffer_get_sampler_view(strb, pipe), 1624 srcX, srcY0, 1625 srcX + width, srcY1, 1626 dest_surface, 1627 destX, destY, 1628 destX + width, destY + height, 1629 0.0, PIPE_TEX_MIPFILTER_NEAREST, 1630 format_writemask); 1631 use_fallback = GL_FALSE; 1632 } 1633 1634 if (dest_surface) 1635 pipe_surface_reference(&dest_surface, NULL); 1636 } 1637 1638 if (use_fallback) { 1639 /* software fallback */ 1640 fallback_copy_texsubimage(ctx, target, level, 1641 strb, stImage, texBaseFormat, 1642 destX, destY, destZ, 1643 srcX, srcY, width, height); 1644 } 1645} 1646 1647 1648 1649static void 1650st_CopyTexImage1D(GLcontext * ctx, GLenum target, GLint level, 1651 GLenum internalFormat, 1652 GLint x, GLint y, GLsizei width, GLint border) 1653{ 1654 struct gl_texture_unit *texUnit = 1655 &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; 1656 struct gl_texture_object *texObj = 1657 _mesa_select_tex_object(ctx, texUnit, target); 1658 struct gl_texture_image *texImage = 1659 _mesa_select_tex_image(ctx, texObj, target, level); 1660 1661 /* Setup or redefine the texture object, texture and texture 1662 * image. Don't populate yet. 1663 */ 1664 ctx->Driver.TexImage1D(ctx, target, level, internalFormat, 1665 width, border, 1666 GL_RGBA, CHAN_TYPE, NULL, 1667 &ctx->DefaultPacking, texObj, texImage); 1668 1669 st_copy_texsubimage(ctx, target, level, 1670 0, 0, 0, /* destX,Y,Z */ 1671 x, y, width, 1); /* src X, Y, size */ 1672} 1673 1674 1675static void 1676st_CopyTexImage2D(GLcontext * ctx, GLenum target, GLint level, 1677 GLenum internalFormat, 1678 GLint x, GLint y, GLsizei width, GLsizei height, 1679 GLint border) 1680{ 1681 struct gl_texture_unit *texUnit = 1682 &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; 1683 struct gl_texture_object *texObj = 1684 _mesa_select_tex_object(ctx, texUnit, target); 1685 struct gl_texture_image *texImage = 1686 _mesa_select_tex_image(ctx, texObj, target, level); 1687 1688 /* Setup or redefine the texture object, texture and texture 1689 * image. Don't populate yet. 1690 */ 1691 ctx->Driver.TexImage2D(ctx, target, level, internalFormat, 1692 width, height, border, 1693 GL_RGBA, CHAN_TYPE, NULL, 1694 &ctx->DefaultPacking, texObj, texImage); 1695 1696 st_copy_texsubimage(ctx, target, level, 1697 0, 0, 0, /* destX,Y,Z */ 1698 x, y, width, height); /* src X, Y, size */ 1699} 1700 1701 1702static void 1703st_CopyTexSubImage1D(GLcontext * ctx, GLenum target, GLint level, 1704 GLint xoffset, GLint x, GLint y, GLsizei width) 1705{ 1706 const GLint yoffset = 0, zoffset = 0; 1707 const GLsizei height = 1; 1708 st_copy_texsubimage(ctx, target, level, 1709 xoffset, yoffset, zoffset, /* destX,Y,Z */ 1710 x, y, width, height); /* src X, Y, size */ 1711} 1712 1713 1714static void 1715st_CopyTexSubImage2D(GLcontext * ctx, GLenum target, GLint level, 1716 GLint xoffset, GLint yoffset, 1717 GLint x, GLint y, GLsizei width, GLsizei height) 1718{ 1719 const GLint zoffset = 0; 1720 st_copy_texsubimage(ctx, target, level, 1721 xoffset, yoffset, zoffset, /* destX,Y,Z */ 1722 x, y, width, height); /* src X, Y, size */ 1723} 1724 1725 1726static void 1727st_CopyTexSubImage3D(GLcontext * ctx, GLenum target, GLint level, 1728 GLint xoffset, GLint yoffset, GLint zoffset, 1729 GLint x, GLint y, GLsizei width, GLsizei height) 1730{ 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 1738copy_image_data_to_texture(struct st_context *st, 1739 struct st_texture_object *stObj, 1740 GLuint dstLevel, 1741 struct st_texture_image *stImage) 1742{ 1743 if (stImage->pt) { 1744 /* Copy potentially with the blitter: 1745 */ 1746 st_texture_image_copy(st->pipe, 1747 stObj->pt, dstLevel, /* dest texture, level */ 1748 stImage->pt, /* src texture */ 1749 stImage->face); 1750 1751 pipe_texture_reference(&stImage->pt, NULL); 1752 } 1753 else if (stImage->base.Data) { 1754 /* More straightforward upload. 1755 */ 1756 st_teximage_flush_before_map(st, stObj->pt, stImage->face, dstLevel, 1757 PIPE_TRANSFER_WRITE); 1758 1759 st_texture_image_data(st, 1760 stObj->pt, 1761 stImage->face, 1762 dstLevel, 1763 stImage->base.Data, 1764 stImage->base.RowStride * 1765 util_format_get_blocksize(stObj->pt->format), 1766 stImage->base.RowStride * 1767 stImage->base.Height * 1768 util_format_get_blocksize(stObj->pt->format)); 1769 _mesa_align_free(stImage->base.Data); 1770 stImage->base.Data = NULL; 1771 } 1772 1773 pipe_texture_reference(&stImage->pt, stObj->pt); 1774} 1775 1776 1777/** 1778 * Called during state validation. When this function is finished, 1779 * the texture object should be ready for rendering. 1780 * \return GL_TRUE for success, GL_FALSE for failure (out of mem) 1781 */ 1782GLboolean 1783st_finalize_texture(GLcontext *ctx, 1784 struct pipe_context *pipe, 1785 struct gl_texture_object *tObj, 1786 GLboolean *needFlush) 1787{ 1788 struct st_texture_object *stObj = st_texture_object(tObj); 1789 const GLuint nr_faces = (stObj->base.Target == GL_TEXTURE_CUBE_MAP) ? 6 : 1; 1790 GLuint blockSize, face; 1791 struct st_texture_image *firstImage; 1792 1793 *needFlush = GL_FALSE; 1794 1795 if (stObj->base._Complete) { 1796 /* The texture is complete and we know exactly how many mipmap levels 1797 * are present/needed. This is conditional because we may be called 1798 * from the st_generate_mipmap() function when the texture object is 1799 * incomplete. In that case, we'll have set stObj->lastLevel before 1800 * we get here. 1801 */ 1802 if (stObj->base.MinFilter == GL_LINEAR || 1803 stObj->base.MinFilter == GL_NEAREST) 1804 stObj->lastLevel = stObj->base.BaseLevel; 1805 else 1806 stObj->lastLevel = stObj->base._MaxLevel - stObj->base.BaseLevel; 1807 } 1808 1809 firstImage = st_texture_image(stObj->base.Image[0][stObj->base.BaseLevel]); 1810 1811 /* If both firstImage and stObj point to a texture which can contain 1812 * all active images, favour firstImage. Note that because of the 1813 * completeness requirement, we know that the image dimensions 1814 * will match. 1815 */ 1816 if (firstImage->pt && 1817 firstImage->pt != stObj->pt && 1818 firstImage->pt->last_level >= stObj->lastLevel) { 1819 pipe_texture_reference(&stObj->pt, firstImage->pt); 1820 pipe_sampler_view_reference(&stObj->sampler_view, NULL); 1821 } 1822 1823 /* bytes per pixel block (blocks are usually 1x1) */ 1824 blockSize = _mesa_get_format_bytes(firstImage->base.TexFormat); 1825 1826 /* If we already have a gallium texture, check that it matches the texture 1827 * object's format, target, size, num_levels, etc. 1828 */ 1829 if (stObj->pt) { 1830 const enum pipe_format fmt = 1831 st_mesa_format_to_pipe_format(firstImage->base.TexFormat); 1832 if (stObj->pt->target != gl_target_to_pipe(stObj->base.Target) || 1833 stObj->pt->format != fmt || 1834 stObj->pt->last_level < stObj->lastLevel || 1835 stObj->pt->width0 != firstImage->base.Width2 || 1836 stObj->pt->height0 != firstImage->base.Height2 || 1837 stObj->pt->depth0 != firstImage->base.Depth2) 1838 { 1839 pipe_texture_reference(&stObj->pt, NULL); 1840 pipe_sampler_view_reference(&stObj->sampler_view, NULL); 1841 ctx->st->dirty.st |= ST_NEW_FRAMEBUFFER; 1842 } 1843 } 1844 1845 /* May need to create a new gallium texture: 1846 */ 1847 if (!stObj->pt) { 1848 const enum pipe_format fmt = 1849 st_mesa_format_to_pipe_format(firstImage->base.TexFormat); 1850 GLuint usage = default_usage(fmt); 1851 1852 stObj->pt = st_texture_create(ctx->st, 1853 gl_target_to_pipe(stObj->base.Target), 1854 fmt, 1855 stObj->lastLevel, 1856 firstImage->base.Width2, 1857 firstImage->base.Height2, 1858 firstImage->base.Depth2, 1859 usage); 1860 1861 if (!stObj->pt) { 1862 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage"); 1863 return GL_FALSE; 1864 } 1865 } 1866 1867 /* Pull in any images not in the object's texture: 1868 */ 1869 for (face = 0; face < nr_faces; face++) { 1870 GLuint level; 1871 for (level = 0; level <= stObj->lastLevel; level++) { 1872 struct st_texture_image *stImage = 1873 st_texture_image(stObj->base.Image[face][stObj->base.BaseLevel + level]); 1874 1875 /* Need to import images in main memory or held in other textures. 1876 */ 1877 if (stImage && stObj->pt != stImage->pt) { 1878 copy_image_data_to_texture(ctx->st, stObj, level, stImage); 1879 *needFlush = GL_TRUE; 1880 } 1881 } 1882 } 1883 1884 return GL_TRUE; 1885} 1886 1887 1888/** 1889 * Returns pointer to a default/dummy texture. 1890 * This is typically used when the current shader has tex/sample instructions 1891 * but the user has not provided a (any) texture(s). 1892 */ 1893struct gl_texture_object * 1894st_get_default_texture(struct st_context *st) 1895{ 1896 if (!st->default_texture) { 1897 static const GLenum target = GL_TEXTURE_2D; 1898 GLubyte pixels[16][16][4]; 1899 struct gl_texture_object *texObj; 1900 struct gl_texture_image *texImg; 1901 GLuint i, j; 1902 1903 /* The ARB_fragment_program spec says (0,0,0,1) should be returned 1904 * when attempting to sample incomplete textures. 1905 */ 1906 for (i = 0; i < 16; i++) { 1907 for (j = 0; j < 16; j++) { 1908 pixels[i][j][0] = 0; 1909 pixels[i][j][1] = 0; 1910 pixels[i][j][2] = 0; 1911 pixels[i][j][3] = 255; 1912 } 1913 } 1914 1915 texObj = st->ctx->Driver.NewTextureObject(st->ctx, 0, target); 1916 1917 texImg = _mesa_get_tex_image(st->ctx, texObj, target, 0); 1918 1919 _mesa_init_teximage_fields(st->ctx, target, texImg, 1920 16, 16, 1, 0, /* w, h, d, border */ 1921 GL_RGBA); 1922 1923 st_TexImage(st->ctx, 2, target, 1924 0, GL_RGBA, /* level, intformat */ 1925 16, 16, 1, 0, /* w, h, d, border */ 1926 GL_RGBA, GL_UNSIGNED_BYTE, pixels, 1927 &st->ctx->DefaultPacking, 1928 texObj, texImg, 1929 0, 0); 1930 1931 texObj->MinFilter = GL_NEAREST; 1932 texObj->MagFilter = GL_NEAREST; 1933 texObj->_Complete = GL_TRUE; 1934 1935 st->default_texture = texObj; 1936 } 1937 return st->default_texture; 1938} 1939 1940 1941void 1942st_init_texture_functions(struct dd_function_table *functions) 1943{ 1944 functions->ChooseTextureFormat = st_ChooseTextureFormat; 1945 functions->TexImage1D = st_TexImage1D; 1946 functions->TexImage2D = st_TexImage2D; 1947 functions->TexImage3D = st_TexImage3D; 1948 functions->TexSubImage1D = st_TexSubImage1D; 1949 functions->TexSubImage2D = st_TexSubImage2D; 1950 functions->TexSubImage3D = st_TexSubImage3D; 1951 functions->CompressedTexSubImage1D = st_CompressedTexSubImage1D; 1952 functions->CompressedTexSubImage2D = st_CompressedTexSubImage2D; 1953 functions->CompressedTexSubImage3D = st_CompressedTexSubImage3D; 1954 functions->CopyTexImage1D = st_CopyTexImage1D; 1955 functions->CopyTexImage2D = st_CopyTexImage2D; 1956 functions->CopyTexSubImage1D = st_CopyTexSubImage1D; 1957 functions->CopyTexSubImage2D = st_CopyTexSubImage2D; 1958 functions->CopyTexSubImage3D = st_CopyTexSubImage3D; 1959 functions->GenerateMipmap = st_generate_mipmap; 1960 1961 functions->GetTexImage = st_GetTexImage; 1962 1963 /* compressed texture functions */ 1964 functions->CompressedTexImage2D = st_CompressedTexImage2D; 1965 functions->GetCompressedTexImage = st_GetCompressedTexImage; 1966 1967 functions->NewTextureObject = st_NewTextureObject; 1968 functions->NewTextureImage = st_NewTextureImage; 1969 functions->DeleteTexture = st_DeleteTextureObject; 1970 functions->FreeTexImageData = st_FreeTextureImageData; 1971 functions->UpdateTexturePalette = 0; 1972 1973 functions->TextureMemCpy = do_memcpy; 1974 1975 /* XXX Temporary until we can query pipe's texture sizes */ 1976 functions->TestProxyTexImage = _mesa_test_proxy_teximage; 1977} 1978