st_cb_texture.c revision db3a8af7f900e4970ea18659e86a824b4ebdefc7
1/************************************************************************** 2 * 3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. 4 * All Rights Reserved. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sub license, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial portions 16 * of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR 22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25 * 26 **************************************************************************/ 27 28#include "main/mfeatures.h" 29#include "main/bufferobj.h" 30#include "main/enums.h" 31#include "main/fbobject.h" 32#include "main/formats.h" 33#include "main/image.h" 34#include "main/imports.h" 35#include "main/macros.h" 36#include "main/mipmap.h" 37#include "main/pack.h" 38#include "main/pixeltransfer.h" 39#include "main/texcompress.h" 40#include "main/texfetch.h" 41#include "main/texgetimage.h" 42#include "main/teximage.h" 43#include "main/texobj.h" 44#include "main/texstore.h" 45 46#include "state_tracker/st_debug.h" 47#include "state_tracker/st_context.h" 48#include "state_tracker/st_cb_fbo.h" 49#include "state_tracker/st_cb_flush.h" 50#include "state_tracker/st_cb_texture.h" 51#include "state_tracker/st_format.h" 52#include "state_tracker/st_texture.h" 53#include "state_tracker/st_gen_mipmap.h" 54#include "state_tracker/st_atom.h" 55 56#include "pipe/p_context.h" 57#include "pipe/p_defines.h" 58#include "util/u_inlines.h" 59#include "pipe/p_shader_tokens.h" 60#include "util/u_tile.h" 61#include "util/u_blit.h" 62#include "util/u_format.h" 63#include "util/u_surface.h" 64#include "util/u_sampler.h" 65#include "util/u_math.h" 66#include "util/u_box.h" 67 68#define DBG if (0) printf 69 70 71static enum pipe_texture_target 72gl_target_to_pipe(GLenum target) 73{ 74 switch (target) { 75 case GL_TEXTURE_1D: 76 return PIPE_TEXTURE_1D; 77 case GL_TEXTURE_2D: 78 return PIPE_TEXTURE_2D; 79 case GL_TEXTURE_RECTANGLE_NV: 80 return PIPE_TEXTURE_RECT; 81 case GL_TEXTURE_3D: 82 return PIPE_TEXTURE_3D; 83 case GL_TEXTURE_CUBE_MAP_ARB: 84 return PIPE_TEXTURE_CUBE; 85 case GL_TEXTURE_1D_ARRAY_EXT: 86 return PIPE_TEXTURE_1D_ARRAY; 87 case GL_TEXTURE_2D_ARRAY_EXT: 88 return PIPE_TEXTURE_2D_ARRAY; 89 default: 90 assert(0); 91 return 0; 92 } 93} 94 95 96/** called via ctx->Driver.NewTextureImage() */ 97static struct gl_texture_image * 98st_NewTextureImage(struct gl_context * ctx) 99{ 100 DBG("%s\n", __FUNCTION__); 101 (void) ctx; 102 return (struct gl_texture_image *) ST_CALLOC_STRUCT(st_texture_image); 103} 104 105 106/** called via ctx->Driver.NewTextureObject() */ 107static struct gl_texture_object * 108st_NewTextureObject(struct gl_context * ctx, GLuint name, GLenum target) 109{ 110 struct st_texture_object *obj = ST_CALLOC_STRUCT(st_texture_object); 111 112 DBG("%s\n", __FUNCTION__); 113 _mesa_initialize_texture_object(&obj->base, name, target); 114 115 return &obj->base; 116} 117 118/** called via ctx->Driver.DeleteTextureObject() */ 119static void 120st_DeleteTextureObject(struct gl_context *ctx, 121 struct gl_texture_object *texObj) 122{ 123 struct st_context *st = st_context(ctx); 124 struct st_texture_object *stObj = st_texture_object(texObj); 125 if (stObj->pt) 126 pipe_resource_reference(&stObj->pt, NULL); 127 if (stObj->sampler_view) { 128 if (stObj->sampler_view->context != 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 = 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(struct gl_context * 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_resource_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 resource binding bitmask for the given format. 213 */ 214static GLuint 215default_bindings(struct st_context *st, enum pipe_format format) 216{ 217 struct pipe_screen *screen = st->pipe->screen; 218 const unsigned target = PIPE_TEXTURE_2D; 219 const unsigned geom = 0x0; 220 unsigned bindings; 221 222 if (util_format_is_depth_or_stencil(format)) 223 bindings = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_DEPTH_STENCIL; 224 else 225 bindings = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET; 226 227 if (screen->is_format_supported(screen, format, target, 0, bindings, geom)) 228 return bindings; 229 else 230 return PIPE_BIND_SAMPLER_VIEW; 231} 232 233 234/** Return number of image dimensions (1, 2 or 3) for a texture target. */ 235static GLuint 236get_texture_dims(GLenum target) 237{ 238 switch (target) { 239 case GL_TEXTURE_1D: 240 case GL_TEXTURE_1D_ARRAY_EXT: 241 return 1; 242 case GL_TEXTURE_2D: 243 case GL_TEXTURE_CUBE_MAP_ARB: 244 case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB: 245 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB: 246 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB: 247 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB: 248 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB: 249 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB: 250 case GL_TEXTURE_RECTANGLE_NV: 251 case GL_TEXTURE_2D_ARRAY_EXT: 252 return 2; 253 case GL_TEXTURE_3D: 254 return 3; 255 default: 256 assert(0 && "invalid texture target in get_texture_dims()"); 257 return 1; 258 } 259} 260 261 262/** 263 * Try to allocate a pipe_resource object for the given st_texture_object. 264 * 265 * We use the given st_texture_image as a clue to determine the size of the 266 * mipmap image at level=0. 267 * 268 * \return GL_TRUE for success, GL_FALSE if out of memory. 269 */ 270static GLboolean 271guess_and_alloc_texture(struct st_context *st, 272 struct st_texture_object *stObj, 273 const struct st_texture_image *stImage) 274{ 275 const GLuint dims = get_texture_dims(stObj->base.Target); 276 GLuint level, lastLevel, width, height, depth; 277 GLuint bindings; 278 enum pipe_format fmt; 279 280 DBG("%s\n", __FUNCTION__); 281 282 assert(!stObj->pt); 283 284 level = stImage->level; 285 width = stImage->base.Width2; /* size w/out border */ 286 height = stImage->base.Height2; 287 depth = stImage->base.Depth2; 288 289 assert(width > 0); 290 assert(height > 0); 291 assert(depth > 0); 292 293 /* Depending on the image's size, we can't always make a guess here. 294 */ 295 if (level > 0) { 296 if ( (dims >= 1 && width == 1) || 297 (dims >= 2 && height == 1) || 298 (dims >= 3 && depth == 1) ) { 299 /* we can't determine the image size at level=0 */ 300 stObj->width0 = stObj->height0 = stObj->depth0 = 0; 301 /* this is not an out of memory error */ 302 return GL_TRUE; 303 } 304 } 305 306 /* grow the image size until we hit level = 0 */ 307 while (level > 0) { 308 if (width != 1) 309 width <<= 1; 310 if (height != 1) 311 height <<= 1; 312 if (depth != 1) 313 depth <<= 1; 314 level--; 315 } 316 317 assert(level == 0); 318 319 /* At this point, (width x height x depth) is the expected size of 320 * the level=0 mipmap image. 321 */ 322 323 /* Guess a reasonable value for lastLevel. With OpenGL we have no 324 * idea how many mipmap levels will be in a texture until we start 325 * to render with it. Make an educated guess here but be prepared 326 * to re-allocating a texture buffer with space for more (or fewer) 327 * mipmap levels later. 328 */ 329 if ((stObj->base.MinFilter == GL_NEAREST || 330 stObj->base.MinFilter == GL_LINEAR || 331 stImage->base._BaseFormat == GL_DEPTH_COMPONENT || 332 stImage->base._BaseFormat == GL_DEPTH_STENCIL_EXT) && 333 !stObj->base.GenerateMipmap && 334 stImage->level == 0) { 335 /* only alloc space for a single mipmap level */ 336 lastLevel = 0; 337 } 338 else { 339 /* alloc space for a full mipmap */ 340 GLuint l2width = util_logbase2(width); 341 GLuint l2height = util_logbase2(height); 342 GLuint l2depth = util_logbase2(depth); 343 lastLevel = MAX2(MAX2(l2width, l2height), l2depth); 344 } 345 346 /* Save the level=0 dimensions */ 347 stObj->width0 = width; 348 stObj->height0 = height; 349 stObj->depth0 = depth; 350 351 fmt = st_mesa_format_to_pipe_format(stImage->base.TexFormat); 352 353 bindings = default_bindings(st, fmt); 354 355 stObj->pt = st_texture_create(st, 356 gl_target_to_pipe(stObj->base.Target), 357 fmt, 358 lastLevel, 359 width, 360 height, 361 depth, 362 1, 363 bindings); 364 365 DBG("%s returning %d\n", __FUNCTION__, (stObj->pt != NULL)); 366 367 return stObj->pt != NULL; 368} 369 370 371/** 372 * Adjust pixel unpack params and image dimensions to strip off the 373 * texture border. 374 * Gallium doesn't support texture borders. They've seldem been used 375 * and seldom been implemented correctly anyway. 376 * \param unpackNew returns the new pixel unpack parameters 377 */ 378static void 379strip_texture_border(GLint border, 380 GLint *width, GLint *height, GLint *depth, 381 const struct gl_pixelstore_attrib *unpack, 382 struct gl_pixelstore_attrib *unpackNew) 383{ 384 assert(border > 0); /* sanity check */ 385 386 *unpackNew = *unpack; 387 388 if (unpackNew->RowLength == 0) 389 unpackNew->RowLength = *width; 390 391 if (depth && unpackNew->ImageHeight == 0) 392 unpackNew->ImageHeight = *height; 393 394 unpackNew->SkipPixels += border; 395 if (height) 396 unpackNew->SkipRows += border; 397 if (depth) 398 unpackNew->SkipImages += border; 399 400 assert(*width >= 3); 401 *width = *width - 2 * border; 402 if (height && *height >= 3) 403 *height = *height - 2 * border; 404 if (depth && *depth >= 3) 405 *depth = *depth - 2 * border; 406} 407 408 409/** 410 * Try to do texture compression via rendering. If the Gallium driver 411 * can render into a compressed surface this will allow us to do texture 412 * compression. 413 * \return GL_TRUE for success, GL_FALSE for failure 414 */ 415static GLboolean 416compress_with_blit(struct gl_context * ctx, 417 GLenum target, GLint level, 418 GLint xoffset, GLint yoffset, GLint zoffset, 419 GLint width, GLint height, GLint depth, 420 GLenum format, GLenum type, const void *pixels, 421 const struct gl_pixelstore_attrib *unpack, 422 struct gl_texture_image *texImage) 423{ 424 const GLuint dstImageOffsets[1] = {0}; 425 struct st_texture_image *stImage = st_texture_image(texImage); 426 struct st_context *st = st_context(ctx); 427 struct pipe_context *pipe = st->pipe; 428 struct pipe_screen *screen = pipe->screen; 429 gl_format mesa_format; 430 struct pipe_resource templ; 431 struct pipe_resource *src_tex; 432 struct pipe_sampler_view view_templ; 433 struct pipe_sampler_view *src_view; 434 struct pipe_surface *dst_surface, surf_tmpl; 435 struct pipe_transfer *tex_xfer; 436 void *map; 437 438 if (!stImage->pt) { 439 /* XXX: Can this happen? Should we assert? */ 440 return GL_FALSE; 441 } 442 443 /* get destination surface (in the compressed texture) */ 444 memset(&surf_tmpl, 0, sizeof(surf_tmpl)); 445 surf_tmpl.format = stImage->pt->format; 446 surf_tmpl.usage = PIPE_BIND_RENDER_TARGET; 447 surf_tmpl.u.tex.level = stImage->level; 448 surf_tmpl.u.tex.first_layer = stImage->face; 449 surf_tmpl.u.tex.last_layer = stImage->face; 450 dst_surface = pipe->create_surface(pipe, stImage->pt, &surf_tmpl); 451 if (!dst_surface) { 452 /* can't render into this format (or other problem) */ 453 return GL_FALSE; 454 } 455 456 /* Choose format for the temporary RGBA texture image. 457 */ 458 mesa_format = st_ChooseTextureFormat(ctx, GL_RGBA, format, type); 459 assert(mesa_format); 460 if (!mesa_format) 461 return GL_FALSE; 462 463 /* Create the temporary source texture 464 */ 465 memset(&templ, 0, sizeof(templ)); 466 templ.target = st->internal_target; 467 templ.format = st_mesa_format_to_pipe_format(mesa_format); 468 templ.width0 = width; 469 templ.height0 = height; 470 templ.depth0 = 1; 471 templ.array_size = 1; 472 templ.last_level = 0; 473 templ.usage = PIPE_USAGE_DEFAULT; 474 templ.bind = PIPE_BIND_SAMPLER_VIEW; 475 src_tex = screen->resource_create(screen, &templ); 476 477 if (!src_tex) 478 return GL_FALSE; 479 480 /* Put user's tex data into the temporary texture 481 */ 482 tex_xfer = pipe_get_transfer(st_context(ctx)->pipe, src_tex, 483 0, 0, /* layer, level are zero */ 484 PIPE_TRANSFER_WRITE, 485 0, 0, width, height); /* x, y, w, h */ 486 map = pipe_transfer_map(pipe, tex_xfer); 487 488 _mesa_texstore(ctx, 2, GL_RGBA, mesa_format, 489 map, /* dest ptr */ 490 0, 0, 0, /* dest x/y/z offset */ 491 tex_xfer->stride, /* dest row stride (bytes) */ 492 dstImageOffsets, /* image offsets (for 3D only) */ 493 width, height, 1, /* size */ 494 format, type, /* source format/type */ 495 pixels, /* source data */ 496 unpack); /* source data packing */ 497 498 pipe_transfer_unmap(pipe, tex_xfer); 499 pipe->transfer_destroy(pipe, tex_xfer); 500 501 /* Create temporary sampler view */ 502 u_sampler_view_default_template(&view_templ, 503 src_tex, 504 src_tex->format); 505 src_view = pipe->create_sampler_view(pipe, src_tex, &view_templ); 506 507 508 /* copy / compress image */ 509 util_blit_pixels_tex(st->blit, 510 src_view, /* sampler view (src) */ 511 0, 0, /* src x0, y0 */ 512 width, height, /* src x1, y1 */ 513 dst_surface, /* pipe_surface (dst) */ 514 xoffset, yoffset, /* dst x0, y0 */ 515 xoffset + width, /* dst x1 */ 516 yoffset + height, /* dst y1 */ 517 0.0, /* z */ 518 PIPE_TEX_MIPFILTER_NEAREST); 519 520 pipe_surface_reference(&dst_surface, NULL); 521 pipe_resource_reference(&src_tex, NULL); 522 pipe_sampler_view_reference(&src_view, NULL); 523 524 return GL_TRUE; 525} 526 527 528/** 529 * Do glTexImage1/2/3D(). 530 */ 531static void 532st_TexImage(struct gl_context * ctx, 533 GLint dims, 534 GLenum target, GLint level, 535 GLint internalFormat, 536 GLint width, GLint height, GLint depth, 537 GLint border, 538 GLenum format, GLenum type, const void *pixels, 539 const struct gl_pixelstore_attrib *unpack, 540 struct gl_texture_object *texObj, 541 struct gl_texture_image *texImage, 542 GLsizei imageSize, GLboolean compressed_src) 543{ 544 struct st_context *st = st_context(ctx); 545 struct pipe_screen *screen = st->pipe->screen; 546 struct st_texture_object *stObj = st_texture_object(texObj); 547 struct st_texture_image *stImage = st_texture_image(texImage); 548 GLuint dstRowStride = 0; 549 struct gl_pixelstore_attrib unpackNB; 550 enum pipe_transfer_usage transfer_usage = 0; 551 552 DBG("%s target %s level %d %dx%dx%d border %d\n", __FUNCTION__, 553 _mesa_lookup_enum_by_nr(target), level, width, height, depth, border); 554 555 /* switch to "normal" */ 556 if (stObj->surface_based) { 557 gl_format texFormat; 558 559 _mesa_clear_texture_object(ctx, texObj); 560 pipe_resource_reference(&stObj->pt, NULL); 561 562 /* oops, need to init this image again */ 563 texFormat = _mesa_choose_texture_format(ctx, texObj, target, level, 564 internalFormat, format, type); 565 566 _mesa_init_teximage_fields(ctx, target, texImage, 567 width, height, depth, border, 568 internalFormat, texFormat); 569 570 stObj->surface_based = GL_FALSE; 571 } 572 573 /* gallium does not support texture borders, strip it off */ 574 if (border) { 575 strip_texture_border(border, &width, &height, &depth, unpack, &unpackNB); 576 unpack = &unpackNB; 577 texImage->Width = width; 578 texImage->Height = height; 579 texImage->Depth = depth; 580 texImage->Border = 0; 581 border = 0; 582 } 583 else { 584 assert(texImage->Width == width); 585 assert(texImage->Height == height); 586 assert(texImage->Depth == depth); 587 } 588 589 stImage->face = _mesa_tex_target_to_face(target); 590 stImage->level = level; 591 592 _mesa_set_fetch_functions(texImage, dims); 593 594 /* Release the reference to a potentially orphaned buffer. 595 * Release any old malloced memory. 596 */ 597 if (stImage->pt) { 598 pipe_resource_reference(&stImage->pt, NULL); 599 assert(!texImage->Data); 600 } 601 else if (texImage->Data) { 602 _mesa_align_free(texImage->Data); 603 } 604 605 /* 606 * See if the new image is somehow incompatible with the existing 607 * mipmap. If so, free the old mipmap. 608 */ 609 if (stObj->pt) { 610 if (level > (GLint) stObj->pt->last_level || 611 !st_texture_match_image(stObj->pt, &stImage->base, 612 stImage->face, stImage->level)) { 613 DBG("release it\n"); 614 pipe_resource_reference(&stObj->pt, NULL); 615 assert(!stObj->pt); 616 pipe_sampler_view_reference(&stObj->sampler_view, NULL); 617 } 618 } 619 620 if (width == 0 || height == 0 || depth == 0) { 621 /* stop after freeing old image */ 622 return; 623 } 624 625 if (!stObj->pt) { 626 if (!guess_and_alloc_texture(st, stObj, stImage)) { 627 /* Probably out of memory. 628 * Try flushing any pending rendering, then retry. 629 */ 630 st_finish(st); 631 if (!guess_and_alloc_texture(st, stObj, stImage)) { 632 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage"); 633 return; 634 } 635 } 636 } 637 638 assert(!stImage->pt); 639 640 /* Check if this texture image can live inside the texture object's buffer. 641 * If so, store the image there. Otherwise the image will temporarily live 642 * in its own buffer. 643 */ 644 if (stObj->pt && 645 st_texture_match_image(stObj->pt, &stImage->base, 646 stImage->face, stImage->level)) { 647 648 pipe_resource_reference(&stImage->pt, stObj->pt); 649 assert(stImage->pt); 650 } 651 652 if (!stImage->pt) 653 DBG("XXX: Image did not fit into texture - storing in local memory!\n"); 654 655 /* Pixel data may come from regular user memory or a PBO. For the later, 656 * do bounds checking and map the PBO to read pixels data from it. 657 * 658 * XXX we should try to use a GPU-accelerated path to copy the image data 659 * from the PBO to the texture. 660 */ 661 if (compressed_src) { 662 pixels = _mesa_validate_pbo_compressed_teximage(ctx, imageSize, pixels, 663 unpack, 664 "glCompressedTexImage"); 665 } 666 else { 667 pixels = _mesa_validate_pbo_teximage(ctx, dims, width, height, 1, 668 format, type, 669 pixels, unpack, "glTexImage"); 670 } 671 672 /* See if we can do texture compression with a blit/render. 673 */ 674 if (!compressed_src && 675 !ctx->Mesa_DXTn && 676 _mesa_is_format_compressed(texImage->TexFormat) && 677 screen->is_format_supported(screen, 678 stImage->pt->format, 679 stImage->pt->target, 0, 680 PIPE_BIND_RENDER_TARGET, 0)) { 681 if (!pixels) 682 goto done; 683 684 if (compress_with_blit(ctx, target, level, 0, 0, 0, width, height, depth, 685 format, type, pixels, unpack, texImage)) { 686 goto done; 687 } 688 } 689 690 /* 691 * Prepare to store the texture data. Either map the gallium texture buffer 692 * memory or malloc space for it. 693 */ 694 if (stImage->pt) { 695 /* Store the image in the gallium texture memory buffer */ 696 if (format == GL_DEPTH_COMPONENT && 697 util_format_is_depth_and_stencil(stImage->pt->format)) 698 transfer_usage = PIPE_TRANSFER_READ_WRITE; 699 else 700 transfer_usage = PIPE_TRANSFER_WRITE; 701 702 texImage->Data = st_texture_image_map(st, stImage, 0, 703 transfer_usage, 0, 0, width, height); 704 if(stImage->transfer) 705 dstRowStride = stImage->transfer->stride; 706 } 707 else { 708 /* Allocate regular memory and store the image there temporarily. */ 709 GLuint imageSize = _mesa_format_image_size(texImage->TexFormat, 710 width, height, depth); 711 dstRowStride = _mesa_format_row_stride(texImage->TexFormat, width); 712 713 texImage->Data = _mesa_align_malloc(imageSize, 16); 714 } 715 716 if (!texImage->Data) { 717 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage"); 718 return; 719 } 720 721 if (!pixels) { 722 /* We've allocated texture memory, but have no pixel data - all done. */ 723 goto done; 724 } 725 726 DBG("Upload image %dx%dx%d row_len %x pitch %x\n", 727 width, height, depth, width, dstRowStride); 728 729 /* Copy user texture image into the texture buffer. 730 */ 731 if (compressed_src) { 732 const GLuint srcRowStride = 733 _mesa_format_row_stride(texImage->TexFormat, width); 734 if (dstRowStride == srcRowStride) { 735 memcpy(texImage->Data, pixels, imageSize); 736 } 737 else { 738 char *dst = texImage->Data; 739 const char *src = pixels; 740 GLuint i, bw, bh, lines; 741 _mesa_get_format_block_size(texImage->TexFormat, &bw, &bh); 742 lines = (height + bh - 1) / bh; 743 744 for (i = 0; i < lines; ++i) { 745 memcpy(dst, src, srcRowStride); 746 dst += dstRowStride; 747 src += srcRowStride; 748 } 749 } 750 } 751 else { 752 const GLuint srcImageStride = 753 _mesa_image_image_stride(unpack, width, height, format, type); 754 GLint i; 755 const GLubyte *src = (const GLubyte *) pixels; 756 757 for (i = 0; i < depth; i++) { 758 if (!_mesa_texstore(ctx, dims, 759 texImage->_BaseFormat, 760 texImage->TexFormat, 761 texImage->Data, 762 0, 0, 0, /* dstX/Y/Zoffset */ 763 dstRowStride, 764 texImage->ImageOffsets, 765 width, height, 1, 766 format, type, src, unpack)) { 767 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage"); 768 } 769 770 if (stImage->pt && i + 1 < depth) { 771 /* unmap this slice */ 772 st_texture_image_unmap(st, stImage); 773 /* map next slice of 3D texture */ 774 texImage->Data = st_texture_image_map(st, stImage, i + 1, 775 transfer_usage, 0, 0, 776 width, height); 777 src += srcImageStride; 778 } 779 } 780 } 781 782done: 783 _mesa_unmap_teximage_pbo(ctx, unpack); 784 785 if (stImage->pt && texImage->Data) { 786 st_texture_image_unmap(st, stImage); 787 texImage->Data = NULL; 788 } 789} 790 791 792static void 793st_TexImage3D(struct gl_context * ctx, 794 GLenum target, GLint level, 795 GLint internalFormat, 796 GLint width, GLint height, GLint depth, 797 GLint border, 798 GLenum format, GLenum type, const void *pixels, 799 const struct gl_pixelstore_attrib *unpack, 800 struct gl_texture_object *texObj, 801 struct gl_texture_image *texImage) 802{ 803 st_TexImage(ctx, 3, target, level, internalFormat, width, height, depth, 804 border, format, type, pixels, unpack, texObj, texImage, 805 0, GL_FALSE); 806} 807 808 809static void 810st_TexImage2D(struct gl_context * ctx, 811 GLenum target, GLint level, 812 GLint internalFormat, 813 GLint width, GLint height, GLint border, 814 GLenum format, GLenum type, const void *pixels, 815 const struct gl_pixelstore_attrib *unpack, 816 struct gl_texture_object *texObj, 817 struct gl_texture_image *texImage) 818{ 819 st_TexImage(ctx, 2, target, level, internalFormat, width, height, 1, border, 820 format, type, pixels, unpack, texObj, texImage, 0, GL_FALSE); 821} 822 823 824static void 825st_TexImage1D(struct gl_context * ctx, 826 GLenum target, GLint level, 827 GLint internalFormat, 828 GLint width, GLint border, 829 GLenum format, GLenum type, const void *pixels, 830 const struct gl_pixelstore_attrib *unpack, 831 struct gl_texture_object *texObj, 832 struct gl_texture_image *texImage) 833{ 834 st_TexImage(ctx, 1, target, level, internalFormat, width, 1, 1, border, 835 format, type, pixels, unpack, texObj, texImage, 0, GL_FALSE); 836} 837 838 839static void 840st_CompressedTexImage2D(struct gl_context *ctx, GLenum target, GLint level, 841 GLint internalFormat, 842 GLint width, GLint height, GLint border, 843 GLsizei imageSize, const GLvoid *data, 844 struct gl_texture_object *texObj, 845 struct gl_texture_image *texImage) 846{ 847 st_TexImage(ctx, 2, target, level, internalFormat, width, height, 1, border, 848 0, 0, data, &ctx->Unpack, texObj, texImage, imageSize, GL_TRUE); 849} 850 851 852 853/** 854 * glGetTexImage() helper: decompress a compressed texture by rendering 855 * a textured quad. Store the results in the user's buffer. 856 */ 857static void 858decompress_with_blit(struct gl_context * ctx, GLenum target, GLint level, 859 GLenum format, GLenum type, GLvoid *pixels, 860 struct gl_texture_object *texObj, 861 struct gl_texture_image *texImage) 862{ 863 struct st_context *st = st_context(ctx); 864 struct pipe_context *pipe = st->pipe; 865 struct st_texture_image *stImage = st_texture_image(texImage); 866 struct st_texture_object *stObj = st_texture_object(texObj); 867 struct pipe_sampler_view *src_view = 868 st_get_texture_sampler_view(stObj, pipe); 869 const GLuint width = texImage->Width; 870 const GLuint height = texImage->Height; 871 struct pipe_surface *dst_surface; 872 struct pipe_resource *dst_texture; 873 struct pipe_transfer *tex_xfer; 874 unsigned bind = (PIPE_BIND_RENDER_TARGET | /* util_blit may choose to render */ 875 PIPE_BIND_TRANSFER_READ); 876 877 /* create temp / dest surface */ 878 if (!util_create_rgba_surface(pipe, width, height, bind, 879 &dst_texture, &dst_surface)) { 880 _mesa_problem(ctx, "util_create_rgba_surface() failed " 881 "in decompress_with_blit()"); 882 return; 883 } 884 885 /* blit/render/decompress */ 886 util_blit_pixels_tex(st->blit, 887 src_view, /* pipe_resource (src) */ 888 0, 0, /* src x0, y0 */ 889 width, height, /* src x1, y1 */ 890 dst_surface, /* pipe_surface (dst) */ 891 0, 0, /* dst x0, y0 */ 892 width, height, /* dst x1, y1 */ 893 0.0, /* z */ 894 PIPE_TEX_MIPFILTER_NEAREST); 895 896 /* map the dst_surface so we can read from it */ 897 tex_xfer = pipe_get_transfer(st_context(ctx)->pipe, 898 dst_texture, 0, 0, 899 PIPE_TRANSFER_READ, 900 0, 0, width, height); 901 902 pixels = _mesa_map_pbo_dest(ctx, &ctx->Pack, pixels); 903 904 /* copy/pack data into user buffer */ 905 if (st_equal_formats(stImage->pt->format, format, type)) { 906 /* memcpy */ 907 const uint bytesPerRow = width * util_format_get_blocksize(stImage->pt->format); 908 ubyte *map = pipe_transfer_map(pipe, tex_xfer); 909 GLuint row; 910 for (row = 0; row < height; row++) { 911 GLvoid *dest = _mesa_image_address2d(&ctx->Pack, pixels, width, 912 height, format, type, row, 0); 913 memcpy(dest, map, bytesPerRow); 914 map += tex_xfer->stride; 915 } 916 pipe_transfer_unmap(pipe, tex_xfer); 917 } 918 else { 919 /* format translation via floats */ 920 GLuint row; 921 enum pipe_format format = util_format_linear(dst_texture->format); 922 for (row = 0; row < height; row++) { 923 const GLbitfield transferOps = 0x0; /* bypassed for glGetTexImage() */ 924 GLfloat rgba[4 * MAX_WIDTH]; 925 GLvoid *dest = _mesa_image_address2d(&ctx->Pack, pixels, width, 926 height, format, type, row, 0); 927 928 if (ST_DEBUG & DEBUG_FALLBACK) 929 debug_printf("%s: fallback format translation\n", __FUNCTION__); 930 931 /* get float[4] rgba row from surface */ 932 pipe_get_tile_rgba_format(pipe, tex_xfer, 0, row, width, 1, 933 format, rgba); 934 935 _mesa_pack_rgba_span_float(ctx, width, (GLfloat (*)[4]) rgba, format, 936 type, dest, &ctx->Pack, transferOps); 937 } 938 } 939 940 _mesa_unmap_pbo_dest(ctx, &ctx->Pack); 941 942 pipe->transfer_destroy(pipe, tex_xfer); 943 944 /* destroy the temp / dest surface */ 945 util_destroy_rgba_surface(dst_texture, dst_surface); 946} 947 948 949 950/** 951 * Need to map texture image into memory before copying image data, 952 * then unmap it. 953 */ 954static void 955st_get_tex_image(struct gl_context * ctx, GLenum target, GLint level, 956 GLenum format, GLenum type, GLvoid * pixels, 957 struct gl_texture_object *texObj, 958 struct gl_texture_image *texImage, GLboolean compressed_dst) 959{ 960 struct st_context *st = st_context(ctx); 961 struct st_texture_image *stImage = st_texture_image(texImage); 962 const GLuint dstImageStride = 963 _mesa_image_image_stride(&ctx->Pack, texImage->Width, texImage->Height, 964 format, type); 965 GLuint depth, i; 966 GLubyte *dest; 967 968 if (stImage->pt && 969 util_format_is_s3tc(stImage->pt->format) && 970 !compressed_dst) { 971 /* Need to decompress the texture. 972 * We'll do this by rendering a textured quad. 973 * Note that we only expect RGBA formats (no Z/depth formats). 974 */ 975 decompress_with_blit(ctx, target, level, format, type, pixels, 976 texObj, texImage); 977 return; 978 } 979 980 /* Map */ 981 if (stImage->pt) { 982 /* Image is stored in hardware format in a buffer managed by the 983 * kernel. Need to explicitly map and unmap it. 984 */ 985 texImage->Data = st_texture_image_map(st, stImage, 0, 986 PIPE_TRANSFER_READ, 0, 0, 987 stImage->base.Width, 988 stImage->base.Height); 989 /* compute stride in texels from stride in bytes */ 990 texImage->RowStride = stImage->transfer->stride 991 * util_format_get_blockwidth(stImage->pt->format) 992 / util_format_get_blocksize(stImage->pt->format); 993 } 994 else { 995 /* Otherwise, the image should actually be stored in 996 * texImage->Data. This is pretty confusing for 997 * everybody, I'd much prefer to separate the two functions of 998 * texImage->Data - storage for texture images in main memory 999 * and access (ie mappings) of images. In other words, we'd 1000 * create a new texImage->Map field and leave Data simply for 1001 * storage. 1002 */ 1003 assert(texImage->Data); 1004 } 1005 1006 depth = texImage->Depth; 1007 texImage->Depth = 1; 1008 1009 dest = (GLubyte *) pixels; 1010 1011 _mesa_set_fetch_functions(texImage, get_texture_dims(target)); 1012 1013 for (i = 0; i < depth; i++) { 1014 if (compressed_dst) { 1015 _mesa_get_compressed_teximage(ctx, target, level, dest, 1016 texObj, texImage); 1017 } 1018 else { 1019 _mesa_get_teximage(ctx, target, level, format, type, dest, 1020 texObj, texImage); 1021 } 1022 1023 if (stImage->pt && i + 1 < depth) { 1024 /* unmap this slice */ 1025 st_texture_image_unmap(st, stImage); 1026 /* map next slice of 3D texture */ 1027 texImage->Data = st_texture_image_map(st, stImage, i + 1, 1028 PIPE_TRANSFER_READ, 0, 0, 1029 stImage->base.Width, 1030 stImage->base.Height); 1031 dest += dstImageStride; 1032 } 1033 } 1034 1035 texImage->Depth = depth; 1036 1037 /* Unmap */ 1038 if (stImage->pt) { 1039 st_texture_image_unmap(st, stImage); 1040 texImage->Data = NULL; 1041 } 1042} 1043 1044 1045static void 1046st_GetTexImage(struct gl_context * ctx, GLenum target, GLint level, 1047 GLenum format, GLenum type, GLvoid * pixels, 1048 struct gl_texture_object *texObj, 1049 struct gl_texture_image *texImage) 1050{ 1051 st_get_tex_image(ctx, target, level, format, type, pixels, texObj, texImage, 1052 GL_FALSE); 1053} 1054 1055 1056static void 1057st_GetCompressedTexImage(struct gl_context *ctx, GLenum target, GLint level, 1058 GLvoid *pixels, 1059 struct gl_texture_object *texObj, 1060 struct gl_texture_image *texImage) 1061{ 1062 st_get_tex_image(ctx, target, level, 0, 0, pixels, texObj, texImage, 1063 GL_TRUE); 1064} 1065 1066 1067 1068static void 1069st_TexSubimage(struct gl_context *ctx, GLint dims, GLenum target, GLint level, 1070 GLint xoffset, GLint yoffset, GLint zoffset, 1071 GLint width, GLint height, GLint depth, 1072 GLenum format, GLenum type, const void *pixels, 1073 const struct gl_pixelstore_attrib *packing, 1074 struct gl_texture_object *texObj, 1075 struct gl_texture_image *texImage) 1076{ 1077 struct st_context *st = st_context(ctx); 1078 struct pipe_screen *screen = st->pipe->screen; 1079 struct st_texture_image *stImage = st_texture_image(texImage); 1080 GLuint dstRowStride; 1081 const GLuint srcImageStride = 1082 _mesa_image_image_stride(packing, width, height, format, type); 1083 GLint i; 1084 const GLubyte *src; 1085 /* init to silence warning only: */ 1086 enum pipe_transfer_usage transfer_usage = PIPE_TRANSFER_WRITE; 1087 1088 DBG("%s target %s level %d offset %d,%d %dx%d\n", __FUNCTION__, 1089 _mesa_lookup_enum_by_nr(target), 1090 level, xoffset, yoffset, width, height); 1091 1092 pixels = 1093 _mesa_validate_pbo_teximage(ctx, dims, width, height, depth, format, 1094 type, pixels, packing, "glTexSubImage2D"); 1095 if (!pixels) 1096 return; 1097 1098 /* See if we can do texture compression with a blit/render. 1099 */ 1100 if (!ctx->Mesa_DXTn && 1101 _mesa_is_format_compressed(texImage->TexFormat) && 1102 screen->is_format_supported(screen, 1103 stImage->pt->format, 1104 stImage->pt->target, 0, 1105 PIPE_BIND_RENDER_TARGET, 0)) { 1106 if (compress_with_blit(ctx, target, level, 1107 xoffset, yoffset, zoffset, 1108 width, height, depth, 1109 format, type, pixels, packing, texImage)) { 1110 goto done; 1111 } 1112 } 1113 1114 /* Map buffer if necessary. Need to lock to prevent other contexts 1115 * from uploading the buffer under us. 1116 */ 1117 if (stImage->pt) { 1118 if (format == GL_DEPTH_COMPONENT && 1119 util_format_is_depth_and_stencil(stImage->pt->format)) 1120 transfer_usage = PIPE_TRANSFER_READ_WRITE; 1121 else 1122 transfer_usage = PIPE_TRANSFER_WRITE; 1123 1124 texImage->Data = st_texture_image_map(st, stImage, zoffset, 1125 transfer_usage, 1126 xoffset, yoffset, 1127 width, height); 1128 } 1129 1130 if (!texImage->Data) { 1131 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage"); 1132 goto done; 1133 } 1134 1135 src = (const GLubyte *) pixels; 1136 dstRowStride = stImage->transfer->stride; 1137 1138 for (i = 0; i < depth; i++) { 1139 if (!_mesa_texstore(ctx, dims, texImage->_BaseFormat, 1140 texImage->TexFormat, 1141 texImage->Data, 1142 0, 0, 0, 1143 dstRowStride, 1144 texImage->ImageOffsets, 1145 width, height, 1, 1146 format, type, src, packing)) { 1147 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage"); 1148 } 1149 1150 if (stImage->pt && i + 1 < depth) { 1151 /* unmap this slice */ 1152 st_texture_image_unmap(st, stImage); 1153 /* map next slice of 3D texture */ 1154 texImage->Data = st_texture_image_map(st, stImage, 1155 zoffset + i + 1, 1156 transfer_usage, 1157 xoffset, yoffset, 1158 width, height); 1159 src += srcImageStride; 1160 } 1161 } 1162 1163done: 1164 _mesa_unmap_teximage_pbo(ctx, packing); 1165 1166 if (stImage->pt && texImage->Data) { 1167 st_texture_image_unmap(st, stImage); 1168 texImage->Data = NULL; 1169 } 1170} 1171 1172 1173 1174static void 1175st_TexSubImage3D(struct gl_context *ctx, GLenum target, GLint level, 1176 GLint xoffset, GLint yoffset, GLint zoffset, 1177 GLsizei width, GLsizei height, GLsizei depth, 1178 GLenum format, GLenum type, 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, 3, target, level, xoffset, yoffset, zoffset, 1184 width, height, depth, format, type, 1185 pixels, packing, texObj, texImage); 1186} 1187 1188 1189static void 1190st_TexSubImage2D(struct gl_context *ctx, GLenum target, GLint level, 1191 GLint xoffset, GLint yoffset, 1192 GLsizei width, GLsizei height, 1193 GLenum format, GLenum type, const GLvoid * pixels, 1194 const struct gl_pixelstore_attrib *packing, 1195 struct gl_texture_object *texObj, 1196 struct gl_texture_image *texImage) 1197{ 1198 st_TexSubimage(ctx, 2, target, level, xoffset, yoffset, 0, 1199 width, height, 1, format, type, 1200 pixels, packing, texObj, texImage); 1201} 1202 1203 1204static void 1205st_TexSubImage1D(struct gl_context *ctx, GLenum target, GLint level, 1206 GLint xoffset, GLsizei width, GLenum format, GLenum type, 1207 const GLvoid * pixels, 1208 const struct gl_pixelstore_attrib *packing, 1209 struct gl_texture_object *texObj, 1210 struct gl_texture_image *texImage) 1211{ 1212 st_TexSubimage(ctx, 1, target, level, xoffset, 0, 0, width, 1, 1, 1213 format, type, pixels, packing, texObj, texImage); 1214} 1215 1216 1217static void 1218st_CompressedTexSubImage1D(struct gl_context *ctx, GLenum target, GLint level, 1219 GLint xoffset, GLsizei width, 1220 GLenum format, 1221 GLsizei imageSize, const GLvoid *data, 1222 struct gl_texture_object *texObj, 1223 struct gl_texture_image *texImage) 1224{ 1225 assert(0); 1226} 1227 1228 1229static void 1230st_CompressedTexSubImage2D(struct gl_context *ctx, GLenum target, GLint level, 1231 GLint xoffset, GLint yoffset, 1232 GLsizei width, GLint height, 1233 GLenum format, 1234 GLsizei imageSize, const GLvoid *data, 1235 struct gl_texture_object *texObj, 1236 struct gl_texture_image *texImage) 1237{ 1238 struct st_context *st = st_context(ctx); 1239 struct st_texture_image *stImage = st_texture_image(texImage); 1240 int srcBlockStride; 1241 int dstBlockStride; 1242 int y; 1243 enum pipe_format pformat; 1244 1245 if (stImage->pt) { 1246 pformat = stImage->pt->format; 1247 1248 texImage->Data = st_texture_image_map(st, stImage, 0, 1249 PIPE_TRANSFER_WRITE, 1250 xoffset, yoffset, 1251 width, height); 1252 1253 srcBlockStride = util_format_get_stride(pformat, width); 1254 dstBlockStride = stImage->transfer->stride; 1255 } else { 1256 assert(stImage->pt); 1257 /* TODO find good values for block and strides */ 1258 /* TODO also adjust texImage->data for yoffset/xoffset */ 1259 return; 1260 } 1261 1262 if (!texImage->Data) { 1263 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexSubImage"); 1264 return; 1265 } 1266 1267 assert(xoffset % util_format_get_blockwidth(pformat) == 0); 1268 assert(yoffset % util_format_get_blockheight(pformat) == 0); 1269 1270 for (y = 0; y < height; y += util_format_get_blockheight(pformat)) { 1271 /* don't need to adjust for xoffset and yoffset as st_texture_image_map does that */ 1272 const char *src = (const char*)data + srcBlockStride * util_format_get_nblocksy(pformat, y); 1273 char *dst = (char*)texImage->Data + dstBlockStride * util_format_get_nblocksy(pformat, y); 1274 memcpy(dst, src, util_format_get_stride(pformat, width)); 1275 } 1276 1277 if (stImage->pt) { 1278 st_texture_image_unmap(st, stImage); 1279 texImage->Data = NULL; 1280 } 1281} 1282 1283 1284static void 1285st_CompressedTexSubImage3D(struct gl_context *ctx, GLenum target, GLint level, 1286 GLint xoffset, GLint yoffset, GLint zoffset, 1287 GLsizei width, GLint height, GLint depth, 1288 GLenum format, 1289 GLsizei imageSize, const GLvoid *data, 1290 struct gl_texture_object *texObj, 1291 struct gl_texture_image *texImage) 1292{ 1293 assert(0); 1294} 1295 1296 1297 1298/** 1299 * Do a CopyTexSubImage operation using a read transfer from the source, 1300 * a write transfer to the destination and get_tile()/put_tile() to access 1301 * the pixels/texels. 1302 * 1303 * Note: srcY=0=TOP of renderbuffer 1304 */ 1305static void 1306fallback_copy_texsubimage(struct gl_context *ctx, GLenum target, GLint level, 1307 struct st_renderbuffer *strb, 1308 struct st_texture_image *stImage, 1309 GLenum baseFormat, 1310 GLint destX, GLint destY, GLint destZ, 1311 GLint srcX, GLint srcY, 1312 GLsizei width, GLsizei height) 1313{ 1314 struct st_context *st = st_context(ctx); 1315 struct pipe_context *pipe = st->pipe; 1316 struct pipe_transfer *src_trans; 1317 GLvoid *texDest; 1318 enum pipe_transfer_usage transfer_usage; 1319 1320 if (ST_DEBUG & DEBUG_FALLBACK) 1321 debug_printf("%s: fallback processing\n", __FUNCTION__); 1322 1323 assert(width <= MAX_WIDTH); 1324 1325 if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) { 1326 srcY = strb->Base.Height - srcY - height; 1327 } 1328 1329 src_trans = pipe_get_transfer(st_context(ctx)->pipe, 1330 strb->texture, 1331 0, 0, 1332 PIPE_TRANSFER_READ, 1333 srcX, srcY, 1334 width, height); 1335 1336 if ((baseFormat == GL_DEPTH_COMPONENT || 1337 baseFormat == GL_DEPTH_STENCIL) && 1338 util_format_is_depth_and_stencil(stImage->pt->format)) 1339 transfer_usage = PIPE_TRANSFER_READ_WRITE; 1340 else 1341 transfer_usage = PIPE_TRANSFER_WRITE; 1342 1343 /* XXX this used to ignore destZ param */ 1344 texDest = st_texture_image_map(st, stImage, destZ, transfer_usage, 1345 destX, destY, width, height); 1346 1347 if (baseFormat == GL_DEPTH_COMPONENT || 1348 baseFormat == GL_DEPTH_STENCIL) { 1349 const GLboolean scaleOrBias = (ctx->Pixel.DepthScale != 1.0F || 1350 ctx->Pixel.DepthBias != 0.0F); 1351 GLint row, yStep; 1352 1353 /* determine bottom-to-top vs. top-to-bottom order for src buffer */ 1354 if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) { 1355 srcY = height - 1; 1356 yStep = -1; 1357 } 1358 else { 1359 srcY = 0; 1360 yStep = 1; 1361 } 1362 1363 /* To avoid a large temp memory allocation, do copy row by row */ 1364 for (row = 0; row < height; row++, srcY += yStep) { 1365 uint data[MAX_WIDTH]; 1366 pipe_get_tile_z(pipe, src_trans, 0, srcY, width, 1, data); 1367 if (scaleOrBias) { 1368 _mesa_scale_and_bias_depth_uint(ctx, width, data); 1369 } 1370 pipe_put_tile_z(pipe, stImage->transfer, 0, row, width, 1, data); 1371 } 1372 } 1373 else { 1374 /* RGBA format */ 1375 GLfloat *tempSrc = 1376 (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat)); 1377 1378 if (tempSrc && texDest) { 1379 const GLint dims = 2; 1380 const GLint dstRowStride = stImage->transfer->stride; 1381 struct gl_texture_image *texImage = &stImage->base; 1382 struct gl_pixelstore_attrib unpack = ctx->DefaultPacking; 1383 1384 if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) { 1385 unpack.Invert = GL_TRUE; 1386 } 1387 1388 /* get float/RGBA image from framebuffer */ 1389 /* XXX this usually involves a lot of int/float conversion. 1390 * try to avoid that someday. 1391 */ 1392 pipe_get_tile_rgba_format(pipe, src_trans, 0, 0, width, height, 1393 util_format_linear(strb->texture->format), 1394 tempSrc); 1395 1396 /* Store into texture memory. 1397 * Note that this does some special things such as pixel transfer 1398 * ops and format conversion. In particular, if the dest tex format 1399 * is actually RGBA but the user created the texture as GL_RGB we 1400 * need to fill-in/override the alpha channel with 1.0. 1401 */ 1402 _mesa_texstore(ctx, dims, 1403 texImage->_BaseFormat, 1404 texImage->TexFormat, 1405 texDest, 1406 0, 0, 0, 1407 dstRowStride, 1408 texImage->ImageOffsets, 1409 width, height, 1, 1410 GL_RGBA, GL_FLOAT, tempSrc, /* src */ 1411 &unpack); 1412 } 1413 else { 1414 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage"); 1415 } 1416 1417 if (tempSrc) 1418 free(tempSrc); 1419 } 1420 1421 st_texture_image_unmap(st, stImage); 1422 pipe->transfer_destroy(pipe, src_trans); 1423} 1424 1425 1426 1427/** 1428 * If the format of the src renderbuffer and the format of the dest 1429 * texture are compatible (in terms of blitting), return a TGSI writemask 1430 * to be used during the blit. 1431 * If the src/dest are incompatible, return 0. 1432 */ 1433static unsigned 1434compatible_src_dst_formats(struct gl_context *ctx, 1435 const struct gl_renderbuffer *src, 1436 const struct gl_texture_image *dst) 1437{ 1438 /* Get logical base formats for the src and dest. 1439 * That is, use the user-requested formats and not the actual, device- 1440 * chosen formats. 1441 * For example, the user may have requested an A8 texture but the 1442 * driver may actually be using an RGBA texture format. When we 1443 * copy/blit to that texture, we only want to copy the Alpha channel 1444 * and not the RGB channels. 1445 * 1446 * Similarly, when the src FBO was created an RGB format may have been 1447 * requested but the driver actually chose an RGBA format. In that case, 1448 * we don't want to copy the undefined Alpha channel to the dest texture 1449 * (it should be 1.0). 1450 */ 1451 const GLenum srcFormat = _mesa_base_fbo_format(ctx, src->InternalFormat); 1452 const GLenum dstFormat = _mesa_base_tex_format(ctx, dst->InternalFormat); 1453 1454 /** 1455 * XXX when we have red-only and red/green renderbuffers we'll need 1456 * to add more cases here (or implement a general-purpose routine that 1457 * queries the existance of the R,G,B,A channels in the src and dest). 1458 */ 1459 if (srcFormat == dstFormat) { 1460 /* This is the same as matching_base_formats, which should 1461 * always pass, as it did previously. 1462 */ 1463 return TGSI_WRITEMASK_XYZW; 1464 } 1465 else if (srcFormat == GL_RGB && dstFormat == GL_RGBA) { 1466 /* Make sure that A in the dest is 1. The actual src format 1467 * may be RGBA and have undefined A values. 1468 */ 1469 return TGSI_WRITEMASK_XYZ; 1470 } 1471 else if (srcFormat == GL_RGBA && dstFormat == GL_RGB) { 1472 /* Make sure that A in the dest is 1. The actual dst format 1473 * may be RGBA and will need A=1 to provide proper alpha values 1474 * when sampled later. 1475 */ 1476 return TGSI_WRITEMASK_XYZ; 1477 } 1478 else { 1479 if (ST_DEBUG & DEBUG_FALLBACK) 1480 debug_printf("%s failed for src %s, dst %s\n", 1481 __FUNCTION__, 1482 _mesa_lookup_enum_by_nr(srcFormat), 1483 _mesa_lookup_enum_by_nr(dstFormat)); 1484 1485 /* Otherwise fail. 1486 */ 1487 return 0; 1488 } 1489} 1490 1491 1492 1493/** 1494 * Do a CopyTex[Sub]Image1/2/3D() using a hardware (blit) path if possible. 1495 * Note that the region to copy has already been clipped so we know we 1496 * won't read from outside the source renderbuffer's bounds. 1497 * 1498 * Note: srcY=0=Bottom of renderbuffer (GL convention) 1499 */ 1500static void 1501st_copy_texsubimage(struct gl_context *ctx, 1502 GLenum target, GLint level, 1503 GLint destX, GLint destY, GLint destZ, 1504 GLint srcX, GLint srcY, 1505 GLsizei width, GLsizei height) 1506{ 1507 struct gl_texture_unit *texUnit = 1508 &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; 1509 struct gl_texture_object *texObj = 1510 _mesa_select_tex_object(ctx, texUnit, target); 1511 struct gl_texture_image *texImage = 1512 _mesa_select_tex_image(ctx, texObj, target, level); 1513 struct st_texture_image *stImage = st_texture_image(texImage); 1514 const GLenum texBaseFormat = texImage->_BaseFormat; 1515 struct gl_framebuffer *fb = ctx->ReadBuffer; 1516 struct st_renderbuffer *strb; 1517 struct st_context *st = st_context(ctx); 1518 struct pipe_context *pipe = st->pipe; 1519 struct pipe_screen *screen = pipe->screen; 1520 enum pipe_format dest_format, src_format; 1521 GLboolean use_fallback = GL_TRUE; 1522 GLboolean matching_base_formats; 1523 GLuint format_writemask, sample_count; 1524 struct pipe_surface *dest_surface = NULL; 1525 GLboolean do_flip = (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP); 1526 1527 /* make sure finalize_textures has been called? 1528 */ 1529 if (0) st_validate_state(st); 1530 1531 /* determine if copying depth or color data */ 1532 if (texBaseFormat == GL_DEPTH_COMPONENT || 1533 texBaseFormat == GL_DEPTH_STENCIL) { 1534 strb = st_renderbuffer(fb->_DepthBuffer); 1535 if (strb->Base.Wrapped) { 1536 strb = st_renderbuffer(strb->Base.Wrapped); 1537 } 1538 } 1539 else { 1540 /* texBaseFormat == GL_RGB, GL_RGBA, GL_ALPHA, etc */ 1541 strb = st_renderbuffer(fb->_ColorReadBuffer); 1542 } 1543 1544 if (!strb || !strb->surface || !stImage->pt) { 1545 debug_printf("%s: null strb or stImage\n", __FUNCTION__); 1546 return; 1547 } 1548 1549 sample_count = strb->surface->texture->nr_samples; 1550 /* I believe this would be legal, presumably would need to do a resolve 1551 for color, and for depth/stencil spec says to just use one of the 1552 depth/stencil samples per pixel? Need some transfer clarifications. */ 1553 assert(sample_count < 2); 1554 1555 if (srcX < 0) { 1556 width -= -srcX; 1557 destX += -srcX; 1558 srcX = 0; 1559 } 1560 1561 if (srcY < 0) { 1562 height -= -srcY; 1563 destY += -srcY; 1564 srcY = 0; 1565 } 1566 1567 if (destX < 0) { 1568 width -= -destX; 1569 srcX += -destX; 1570 destX = 0; 1571 } 1572 1573 if (destY < 0) { 1574 height -= -destY; 1575 srcY += -destY; 1576 destY = 0; 1577 } 1578 1579 if (width < 0 || height < 0) 1580 return; 1581 1582 1583 assert(strb); 1584 assert(strb->surface); 1585 assert(stImage->pt); 1586 1587 src_format = strb->surface->format; 1588 dest_format = stImage->pt->format; 1589 1590 /* 1591 * Determine if the src framebuffer and dest texture have the same 1592 * base format. We need this to detect a case such as the framebuffer 1593 * being GL_RGBA but the texture being GL_RGB. If the actual hardware 1594 * texture format stores RGBA we need to set A=1 (overriding the 1595 * framebuffer's alpha values). We can't do that with the blit or 1596 * textured-quad paths. 1597 */ 1598 matching_base_formats = 1599 (_mesa_get_format_base_format(strb->Base.Format) == 1600 _mesa_get_format_base_format(texImage->TexFormat)); 1601 format_writemask = compatible_src_dst_formats(ctx, &strb->Base, texImage); 1602 1603 if (ctx->_ImageTransferState == 0x0) { 1604 1605 if (matching_base_formats && 1606 src_format == dest_format && 1607 !do_flip) 1608 { 1609 /* use surface_copy() / blit */ 1610 struct pipe_box src_box; 1611 u_box_2d_zslice(srcX, srcY, strb->surface->u.tex.first_layer, 1612 width, height, &src_box); 1613 1614 /* for resource_copy_region(), y=0=top, always */ 1615 pipe->resource_copy_region(pipe, 1616 /* dest */ 1617 stImage->pt, 1618 stImage->level, 1619 destX, destY, destZ + stImage->face, 1620 /* src */ 1621 strb->texture, 1622 strb->surface->u.tex.level, 1623 &src_box); 1624 use_fallback = GL_FALSE; 1625 } 1626 else if (format_writemask && 1627 texBaseFormat != GL_DEPTH_COMPONENT && 1628 texBaseFormat != GL_DEPTH_STENCIL && 1629 screen->is_format_supported(screen, src_format, 1630 PIPE_TEXTURE_2D, sample_count, 1631 PIPE_BIND_SAMPLER_VIEW, 1632 0) && 1633 screen->is_format_supported(screen, dest_format, 1634 PIPE_TEXTURE_2D, 0, 1635 PIPE_BIND_RENDER_TARGET, 1636 0)) { 1637 /* draw textured quad to do the copy */ 1638 GLint srcY0, srcY1; 1639 struct pipe_surface surf_tmpl; 1640 memset(&surf_tmpl, 0, sizeof(surf_tmpl)); 1641 surf_tmpl.format = stImage->pt->format; 1642 surf_tmpl.usage = PIPE_BIND_RENDER_TARGET; 1643 surf_tmpl.u.tex.level = stImage->level; 1644 surf_tmpl.u.tex.first_layer = stImage->face + destZ; 1645 surf_tmpl.u.tex.last_layer = stImage->face + destZ; 1646 1647 dest_surface = pipe->create_surface(pipe, stImage->pt, 1648 &surf_tmpl); 1649 1650 if (do_flip) { 1651 srcY1 = strb->Base.Height - srcY - height; 1652 srcY0 = srcY1 + height; 1653 } 1654 else { 1655 srcY0 = srcY; 1656 srcY1 = srcY0 + height; 1657 } 1658 1659 util_blit_pixels_writemask(st->blit, 1660 strb->texture, 1661 strb->surface->u.tex.level, 1662 srcX, srcY0, 1663 srcX + width, srcY1, 1664 strb->surface->u.tex.first_layer, 1665 dest_surface, 1666 destX, destY, 1667 destX + width, destY + height, 1668 0.0, PIPE_TEX_MIPFILTER_NEAREST, 1669 format_writemask); 1670 use_fallback = GL_FALSE; 1671 } 1672 1673 if (dest_surface) 1674 pipe_surface_reference(&dest_surface, NULL); 1675 } 1676 1677 if (use_fallback) { 1678 /* software fallback */ 1679 fallback_copy_texsubimage(ctx, target, level, 1680 strb, stImage, texBaseFormat, 1681 destX, destY, destZ, 1682 srcX, srcY, width, height); 1683 } 1684} 1685 1686 1687 1688static void 1689st_CopyTexImage1D(struct gl_context * ctx, GLenum target, GLint level, 1690 GLenum internalFormat, 1691 GLint x, GLint y, GLsizei width, GLint border) 1692{ 1693 struct gl_texture_unit *texUnit = 1694 &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; 1695 struct gl_texture_object *texObj = 1696 _mesa_select_tex_object(ctx, texUnit, target); 1697 struct gl_texture_image *texImage = 1698 _mesa_select_tex_image(ctx, texObj, target, level); 1699 1700 /* Setup or redefine the texture object, texture and texture 1701 * image. Don't populate yet. 1702 */ 1703 ctx->Driver.TexImage1D(ctx, target, level, internalFormat, 1704 width, border, 1705 GL_RGBA, CHAN_TYPE, NULL, 1706 &ctx->DefaultPacking, texObj, texImage); 1707 1708 st_copy_texsubimage(ctx, target, level, 1709 0, 0, 0, /* destX,Y,Z */ 1710 x, y, width, 1); /* src X, Y, size */ 1711} 1712 1713 1714static void 1715st_CopyTexImage2D(struct gl_context * ctx, GLenum target, GLint level, 1716 GLenum internalFormat, 1717 GLint x, GLint y, GLsizei width, GLsizei height, 1718 GLint border) 1719{ 1720 struct gl_texture_unit *texUnit = 1721 &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; 1722 struct gl_texture_object *texObj = 1723 _mesa_select_tex_object(ctx, texUnit, target); 1724 struct gl_texture_image *texImage = 1725 _mesa_select_tex_image(ctx, texObj, target, level); 1726 1727 /* Setup or redefine the texture object, texture and texture 1728 * image. Don't populate yet. 1729 */ 1730 ctx->Driver.TexImage2D(ctx, target, level, internalFormat, 1731 width, height, border, 1732 GL_RGBA, CHAN_TYPE, NULL, 1733 &ctx->DefaultPacking, texObj, texImage); 1734 1735 st_copy_texsubimage(ctx, target, level, 1736 0, 0, 0, /* destX,Y,Z */ 1737 x, y, width, height); /* src X, Y, size */ 1738} 1739 1740 1741static void 1742st_CopyTexSubImage1D(struct gl_context * ctx, GLenum target, GLint level, 1743 GLint xoffset, GLint x, GLint y, GLsizei width) 1744{ 1745 const GLint yoffset = 0, zoffset = 0; 1746 const GLsizei height = 1; 1747 st_copy_texsubimage(ctx, target, level, 1748 xoffset, yoffset, zoffset, /* destX,Y,Z */ 1749 x, y, width, height); /* src X, Y, size */ 1750} 1751 1752 1753static void 1754st_CopyTexSubImage2D(struct gl_context * ctx, GLenum target, GLint level, 1755 GLint xoffset, GLint yoffset, 1756 GLint x, GLint y, GLsizei width, GLsizei height) 1757{ 1758 const GLint zoffset = 0; 1759 st_copy_texsubimage(ctx, target, level, 1760 xoffset, yoffset, zoffset, /* destX,Y,Z */ 1761 x, y, width, height); /* src X, Y, size */ 1762} 1763 1764 1765static void 1766st_CopyTexSubImage3D(struct gl_context * ctx, GLenum target, GLint level, 1767 GLint xoffset, GLint yoffset, GLint zoffset, 1768 GLint x, GLint y, GLsizei width, GLsizei height) 1769{ 1770 st_copy_texsubimage(ctx, target, level, 1771 xoffset, yoffset, zoffset, /* destX,Y,Z */ 1772 x, y, width, height); /* src X, Y, size */ 1773} 1774 1775 1776/** 1777 * Copy image data from stImage into the texture object 'stObj' at level 1778 * 'dstLevel'. 1779 */ 1780static void 1781copy_image_data_to_texture(struct st_context *st, 1782 struct st_texture_object *stObj, 1783 GLuint dstLevel, 1784 struct st_texture_image *stImage) 1785{ 1786 /* debug checks */ 1787 { 1788 const struct gl_texture_image *dstImage = 1789 stObj->base.Image[stImage->face][stImage->level]; 1790 assert(dstImage); 1791 assert(dstImage->Width == stImage->base.Width); 1792 assert(dstImage->Height == stImage->base.Height); 1793 assert(dstImage->Depth == stImage->base.Depth); 1794 } 1795 1796 if (stImage->pt) { 1797 /* Copy potentially with the blitter: 1798 */ 1799 st_texture_image_copy(st->pipe, 1800 stObj->pt, dstLevel, /* dest texture, level */ 1801 stImage->pt, stImage->level, /* src texture, level */ 1802 stImage->face); 1803 1804 pipe_resource_reference(&stImage->pt, NULL); 1805 } 1806 else if (stImage->base.Data) { 1807 st_texture_image_data(st, 1808 stObj->pt, 1809 stImage->face, 1810 dstLevel, 1811 stImage->base.Data, 1812 stImage->base.RowStride * 1813 util_format_get_blocksize(stObj->pt->format), 1814 stImage->base.RowStride * 1815 stImage->base.Height * 1816 util_format_get_blocksize(stObj->pt->format)); 1817 _mesa_align_free(stImage->base.Data); 1818 stImage->base.Data = NULL; 1819 } 1820 1821 pipe_resource_reference(&stImage->pt, stObj->pt); 1822} 1823 1824 1825/** 1826 * Called during state validation. When this function is finished, 1827 * the texture object should be ready for rendering. 1828 * \return GL_TRUE for success, GL_FALSE for failure (out of mem) 1829 */ 1830GLboolean 1831st_finalize_texture(struct gl_context *ctx, 1832 struct pipe_context *pipe, 1833 struct gl_texture_object *tObj) 1834{ 1835 struct st_context *st = st_context(ctx); 1836 struct st_texture_object *stObj = st_texture_object(tObj); 1837 const GLuint nr_faces = (stObj->base.Target == GL_TEXTURE_CUBE_MAP) ? 6 : 1; 1838 GLuint face; 1839 struct st_texture_image *firstImage; 1840 enum pipe_format firstImageFormat; 1841 1842 if (stObj->base._Complete) { 1843 /* The texture is complete and we know exactly how many mipmap levels 1844 * are present/needed. This is conditional because we may be called 1845 * from the st_generate_mipmap() function when the texture object is 1846 * incomplete. In that case, we'll have set stObj->lastLevel before 1847 * we get here. 1848 */ 1849 if (stObj->base.MinFilter == GL_LINEAR || 1850 stObj->base.MinFilter == GL_NEAREST) 1851 stObj->lastLevel = stObj->base.BaseLevel; 1852 else 1853 stObj->lastLevel = stObj->base._MaxLevel; 1854 } 1855 1856 firstImage = st_texture_image(stObj->base.Image[0][stObj->base.BaseLevel]); 1857 assert(firstImage); 1858 1859 /* If both firstImage and stObj point to a texture which can contain 1860 * all active images, favour firstImage. Note that because of the 1861 * completeness requirement, we know that the image dimensions 1862 * will match. 1863 */ 1864 if (firstImage->pt && 1865 firstImage->pt != stObj->pt && 1866 (!stObj->pt || firstImage->pt->last_level >= stObj->pt->last_level)) { 1867 pipe_resource_reference(&stObj->pt, firstImage->pt); 1868 pipe_sampler_view_reference(&stObj->sampler_view, NULL); 1869 } 1870 1871 /* Find gallium format for the Mesa texture */ 1872 firstImageFormat = st_mesa_format_to_pipe_format(firstImage->base.TexFormat); 1873 1874 /* If we already have a gallium texture, check that it matches the texture 1875 * object's format, target, size, num_levels, etc. 1876 */ 1877 if (stObj->pt) { 1878 if (stObj->pt->target != gl_target_to_pipe(stObj->base.Target) || 1879 !st_sampler_compat_formats(stObj->pt->format, firstImageFormat) || 1880 stObj->pt->last_level < stObj->lastLevel || 1881 stObj->pt->width0 != stObj->width0 || 1882 stObj->pt->height0 != stObj->height0 || 1883 stObj->pt->depth0 != stObj->depth0) 1884 { 1885 /* The gallium texture does not match the Mesa texture so delete the 1886 * gallium texture now. We'll make a new one below. 1887 */ 1888 pipe_resource_reference(&stObj->pt, NULL); 1889 pipe_sampler_view_reference(&stObj->sampler_view, NULL); 1890 st->dirty.st |= ST_NEW_FRAMEBUFFER; 1891 } 1892 } 1893 1894 /* May need to create a new gallium texture: 1895 */ 1896 if (!stObj->pt) { 1897 GLuint bindings = default_bindings(st, firstImageFormat); 1898 1899 stObj->pt = st_texture_create(st, 1900 gl_target_to_pipe(stObj->base.Target), 1901 firstImageFormat, 1902 stObj->lastLevel, 1903 stObj->width0, 1904 stObj->height0, 1905 stObj->depth0, 1906 1, 1907 bindings); 1908 1909 if (!stObj->pt) { 1910 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage"); 1911 return GL_FALSE; 1912 } 1913 } 1914 1915 /* Pull in any images not in the object's texture: 1916 */ 1917 for (face = 0; face < nr_faces; face++) { 1918 GLuint level; 1919 for (level = stObj->base.BaseLevel; level <= stObj->lastLevel; level++) { 1920 struct st_texture_image *stImage = 1921 st_texture_image(stObj->base.Image[face][level]); 1922 1923 /* Need to import images in main memory or held in other textures. 1924 */ 1925 if (stImage && stObj->pt != stImage->pt) { 1926 copy_image_data_to_texture(st, stObj, level, stImage); 1927 } 1928 } 1929 } 1930 1931 return GL_TRUE; 1932} 1933 1934 1935/** 1936 * Returns pointer to a default/dummy texture. 1937 * This is typically used when the current shader has tex/sample instructions 1938 * but the user has not provided a (any) texture(s). 1939 */ 1940struct gl_texture_object * 1941st_get_default_texture(struct st_context *st) 1942{ 1943 if (!st->default_texture) { 1944 static const GLenum target = GL_TEXTURE_2D; 1945 GLubyte pixels[16][16][4]; 1946 struct gl_texture_object *texObj; 1947 struct gl_texture_image *texImg; 1948 GLuint i, j; 1949 1950 /* The ARB_fragment_program spec says (0,0,0,1) should be returned 1951 * when attempting to sample incomplete textures. 1952 */ 1953 for (i = 0; i < 16; i++) { 1954 for (j = 0; j < 16; j++) { 1955 pixels[i][j][0] = 0; 1956 pixels[i][j][1] = 0; 1957 pixels[i][j][2] = 0; 1958 pixels[i][j][3] = 255; 1959 } 1960 } 1961 1962 texObj = st->ctx->Driver.NewTextureObject(st->ctx, 0, target); 1963 1964 texImg = _mesa_get_tex_image(st->ctx, texObj, target, 0); 1965 1966 _mesa_init_teximage_fields(st->ctx, target, texImg, 1967 16, 16, 1, 0, /* w, h, d, border */ 1968 GL_RGBA, MESA_FORMAT_RGBA8888); 1969 1970 st_TexImage(st->ctx, 2, target, 1971 0, GL_RGBA, /* level, intformat */ 1972 16, 16, 1, 0, /* w, h, d, border */ 1973 GL_RGBA, GL_UNSIGNED_BYTE, pixels, 1974 &st->ctx->DefaultPacking, 1975 texObj, texImg, 1976 0, 0); 1977 1978 texObj->MinFilter = GL_NEAREST; 1979 texObj->MagFilter = GL_NEAREST; 1980 texObj->_Complete = GL_TRUE; 1981 1982 st->default_texture = texObj; 1983 } 1984 return st->default_texture; 1985} 1986 1987 1988void 1989st_init_texture_functions(struct dd_function_table *functions) 1990{ 1991 functions->ChooseTextureFormat = st_ChooseTextureFormat; 1992 functions->TexImage1D = st_TexImage1D; 1993 functions->TexImage2D = st_TexImage2D; 1994 functions->TexImage3D = st_TexImage3D; 1995 functions->TexSubImage1D = st_TexSubImage1D; 1996 functions->TexSubImage2D = st_TexSubImage2D; 1997 functions->TexSubImage3D = st_TexSubImage3D; 1998 functions->CompressedTexSubImage1D = st_CompressedTexSubImage1D; 1999 functions->CompressedTexSubImage2D = st_CompressedTexSubImage2D; 2000 functions->CompressedTexSubImage3D = st_CompressedTexSubImage3D; 2001 functions->CopyTexImage1D = st_CopyTexImage1D; 2002 functions->CopyTexImage2D = st_CopyTexImage2D; 2003 functions->CopyTexSubImage1D = st_CopyTexSubImage1D; 2004 functions->CopyTexSubImage2D = st_CopyTexSubImage2D; 2005 functions->CopyTexSubImage3D = st_CopyTexSubImage3D; 2006 functions->GenerateMipmap = st_generate_mipmap; 2007 2008 functions->GetTexImage = st_GetTexImage; 2009 2010 /* compressed texture functions */ 2011 functions->CompressedTexImage2D = st_CompressedTexImage2D; 2012 functions->GetCompressedTexImage = st_GetCompressedTexImage; 2013 2014 functions->NewTextureObject = st_NewTextureObject; 2015 functions->NewTextureImage = st_NewTextureImage; 2016 functions->DeleteTexture = st_DeleteTextureObject; 2017 functions->FreeTexImageData = st_FreeTextureImageData; 2018 2019 functions->TextureMemCpy = do_memcpy; 2020 2021 /* XXX Temporary until we can query pipe's texture sizes */ 2022 functions->TestProxyTexImage = _mesa_test_proxy_teximage; 2023} 2024