st_cb_texture.c revision 4c50969334844bc9aa622176c3ebcbc733394f78
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/imports.h" 29#include "main/convolve.h" 30#include "main/enums.h" 31#include "main/image.h" 32#include "main/macros.h" 33#include "main/mipmap.h" 34#include "main/texcompress.h" 35#include "main/texformat.h" 36#include "main/teximage.h" 37#include "main/texobj.h" 38#include "main/texstore.h" 39 40#include "state_tracker/st_context.h" 41#include "state_tracker/st_cb_fbo.h" 42#include "state_tracker/st_cb_texture.h" 43#include "state_tracker/st_format.h" 44#include "state_tracker/st_public.h" 45#include "state_tracker/st_texture.h" 46#include "state_tracker/st_gen_mipmap.h" 47 48#include "pipe/p_context.h" 49#include "pipe/p_defines.h" 50#include "pipe/p_inlines.h" 51#include "util/p_tile.h" 52#include "util/u_blit.h" 53 54 55#define DBG if (0) printf 56 57 58static INLINE struct st_texture_image * 59st_texture_image(struct gl_texture_image *img) 60{ 61 return (struct st_texture_image *) img; 62} 63 64 65static enum pipe_texture_target 66gl_target_to_pipe(GLenum target) 67{ 68 switch (target) { 69 case GL_TEXTURE_1D: 70 return PIPE_TEXTURE_1D; 71 72 case GL_TEXTURE_2D: 73 case GL_TEXTURE_RECTANGLE_NV: 74 return PIPE_TEXTURE_2D; 75 76 case GL_TEXTURE_3D: 77 return PIPE_TEXTURE_3D; 78 79 case GL_TEXTURE_CUBE_MAP_ARB: 80 return PIPE_TEXTURE_CUBE; 81 82 default: 83 assert(0); 84 return 0; 85 } 86} 87 88 89/** 90 * Return nominal bytes per texel for a compressed format, 0 for non-compressed 91 * format. 92 */ 93static int 94compressed_num_bytes(GLuint mesaFormat) 95{ 96 switch(mesaFormat) { 97 case MESA_FORMAT_RGB_FXT1: 98 case MESA_FORMAT_RGBA_FXT1: 99 case MESA_FORMAT_RGB_DXT1: 100 case MESA_FORMAT_RGBA_DXT1: 101 return 2; 102 case MESA_FORMAT_RGBA_DXT3: 103 case MESA_FORMAT_RGBA_DXT5: 104 return 4; 105 default: 106 return 0; 107 } 108} 109 110 111static GLboolean 112st_IsTextureResident(GLcontext * ctx, struct gl_texture_object *texObj) 113{ 114#if 0 115 struct intel_context *intel = intel_context(ctx); 116 struct st_texture_object *stObj = st_texture_object(texObj); 117 118 return 119 stObj->pt && 120 stObj->pt->region && 121 intel_is_region_resident(intel, stObj->pt->region); 122#endif 123 return 1; 124} 125 126 127static struct gl_texture_image * 128st_NewTextureImage(GLcontext * ctx) 129{ 130 DBG("%s\n", __FUNCTION__); 131 (void) ctx; 132 return (struct gl_texture_image *) CALLOC_STRUCT(st_texture_image); 133} 134 135 136static struct gl_texture_object * 137st_NewTextureObject(GLcontext * ctx, GLuint name, GLenum target) 138{ 139 struct st_texture_object *obj = CALLOC_STRUCT(st_texture_object); 140 141 DBG("%s\n", __FUNCTION__); 142 _mesa_initialize_texture_object(&obj->base, name, target); 143 144 return &obj->base; 145} 146 147static void 148st_DeleteTextureObject(GLcontext *ctx, 149 struct gl_texture_object *texObj) 150{ 151 struct st_texture_object *stObj = st_texture_object(texObj); 152 if (stObj->pt) 153 pipe_texture_release(&stObj->pt); 154 155 _mesa_delete_texture_object(ctx, texObj); 156} 157 158 159static void 160st_FreeTextureImageData(GLcontext * ctx, struct gl_texture_image *texImage) 161{ 162 struct st_texture_image *stImage = st_texture_image(texImage); 163 164 DBG("%s\n", __FUNCTION__); 165 166 if (stImage->pt) { 167 pipe_texture_release(&stImage->pt); 168 } 169 170 if (texImage->Data) { 171 free(texImage->Data); 172 texImage->Data = NULL; 173 } 174} 175 176 177/* ================================================================ 178 * From linux kernel i386 header files, copes with odd sizes better 179 * than COPY_DWORDS would: 180 * XXX Put this in src/mesa/main/imports.h ??? 181 */ 182#if defined(i386) || defined(__i386__) 183static INLINE void * 184__memcpy(void *to, const void *from, size_t n) 185{ 186 int d0, d1, d2; 187 __asm__ __volatile__("rep ; movsl\n\t" 188 "testb $2,%b4\n\t" 189 "je 1f\n\t" 190 "movsw\n" 191 "1:\ttestb $1,%b4\n\t" 192 "je 2f\n\t" 193 "movsb\n" "2:":"=&c"(d0), "=&D"(d1), "=&S"(d2) 194 :"0"(n / 4), "q"(n), "1"((long) to), "2"((long) from) 195 :"memory"); 196 return (to); 197} 198#else 199#define __memcpy(a,b,c) memcpy(a,b,c) 200#endif 201 202 203/* The system memcpy (at least on ubuntu 5.10) has problems copying 204 * to agp (writecombined) memory from a source which isn't 64-byte 205 * aligned - there is a 4x performance falloff. 206 * 207 * The x86 __memcpy is immune to this but is slightly slower 208 * (10%-ish) than the system memcpy. 209 * 210 * The sse_memcpy seems to have a slight cliff at 64/32 bytes, but 211 * isn't much faster than x86_memcpy for agp copies. 212 * 213 * TODO: switch dynamically. 214 */ 215static void * 216do_memcpy(void *dest, const void *src, size_t n) 217{ 218 if ((((unsigned) src) & 63) || (((unsigned) dest) & 63)) { 219 return __memcpy(dest, src, n); 220 } 221 else 222 return memcpy(dest, src, n); 223} 224 225 226/* Functions to store texture images. Where possible, textures 227 * will be created or further instantiated with image data, otherwise 228 * images will be stored in malloc'd memory. A validation step is 229 * required to pull those images into a texture, or otherwise 230 * decide a fallback is required. 231 */ 232 233 234static int 235logbase2(int n) 236{ 237 GLint i = 1; 238 GLint log2 = 0; 239 240 while (n > i) { 241 i *= 2; 242 log2++; 243 } 244 245 return log2; 246} 247 248 249/** 250 * Allocate a pipe_texture object for the given st_texture_object using 251 * the given st_texture_image to guess the mipmap size/levels. 252 * 253 * [comments...] 254 * Otherwise, store it in memory if (Border != 0) or (any dimension == 255 * 1). 256 * 257 * Otherwise, if max_level >= level >= min_level, create texture with 258 * space for images from min_level down to max_level. 259 * 260 * Otherwise, create texture with space for images from (level 0)..(1x1). 261 * Consider pruning this texture at a validation if the saving is worth it. 262 */ 263static void 264guess_and_alloc_texture(struct st_context *st, 265 struct st_texture_object *stObj, 266 const struct st_texture_image *stImage) 267{ 268 GLuint firstLevel; 269 GLuint lastLevel; 270 GLuint width = stImage->base.Width2; /* size w/out border */ 271 GLuint height = stImage->base.Height2; 272 GLuint depth = stImage->base.Depth2; 273 GLuint i, comp_byte = 0; 274 275 DBG("%s\n", __FUNCTION__); 276 277 assert(!stObj->pt); 278 279 if (stObj->pt && 280 stImage->level > stObj->base.BaseLevel && 281 (stImage->base.Width == 1 || 282 (stObj->base.Target != GL_TEXTURE_1D && 283 stImage->base.Height == 1) || 284 (stObj->base.Target == GL_TEXTURE_3D && 285 stImage->base.Depth == 1))) 286 return; 287 288 /* If this image disrespects BaseLevel, allocate from level zero. 289 * Usually BaseLevel == 0, so it's unlikely to happen. 290 */ 291 if (stImage->level < stObj->base.BaseLevel) 292 firstLevel = 0; 293 else 294 firstLevel = stObj->base.BaseLevel; 295 296 297 /* Figure out image dimensions at start level. 298 */ 299 for (i = stImage->level; i > firstLevel; i--) { 300 if (width != 1) 301 width <<= 1; 302 if (height != 1) 303 height <<= 1; 304 if (depth != 1) 305 depth <<= 1; 306 } 307 308 /* Guess a reasonable value for lastLevel. This is probably going 309 * to be wrong fairly often and might mean that we have to look at 310 * resizable buffers, or require that buffers implement lazy 311 * pagetable arrangements. 312 */ 313 if ((stObj->base.MinFilter == GL_NEAREST || 314 stObj->base.MinFilter == GL_LINEAR) && 315 stImage->level == firstLevel) { 316 lastLevel = firstLevel; 317 } 318 else { 319 GLuint l2width = logbase2(width); 320 GLuint l2height = logbase2(height); 321 GLuint l2depth = logbase2(depth); 322 lastLevel = firstLevel + MAX2(MAX2(l2width, l2height), l2depth); 323 } 324 325 if (stImage->base.IsCompressed) 326 comp_byte = compressed_num_bytes(stImage->base.TexFormat->MesaFormat); 327 328 stObj->pt = st_texture_create(st, 329 gl_target_to_pipe(stObj->base.Target), 330 st_mesa_format_to_pipe_format(stImage->base.TexFormat->MesaFormat), 331 lastLevel, 332 width, 333 height, 334 depth, 335 comp_byte); 336 337 DBG("%s - success\n", __FUNCTION__); 338} 339 340 341/* There are actually quite a few combinations this will work for, 342 * more than what I've listed here. 343 */ 344static GLboolean 345check_pbo_format(GLint internalFormat, 346 GLenum format, GLenum type, 347 const struct gl_texture_format *mesa_format) 348{ 349 switch (internalFormat) { 350 case 4: 351 case GL_RGBA: 352 return (format == GL_BGRA && 353 (type == GL_UNSIGNED_BYTE || 354 type == GL_UNSIGNED_INT_8_8_8_8_REV) && 355 mesa_format == &_mesa_texformat_argb8888); 356 case 3: 357 case GL_RGB: 358 return (format == GL_RGB && 359 type == GL_UNSIGNED_SHORT_5_6_5 && 360 mesa_format == &_mesa_texformat_rgb565); 361 case GL_YCBCR_MESA: 362 return (type == GL_UNSIGNED_SHORT_8_8_MESA || type == GL_UNSIGNED_BYTE); 363 default: 364 return GL_FALSE; 365 } 366} 367 368 369/* XXX: Do this for TexSubImage also: 370 */ 371static GLboolean 372try_pbo_upload(GLcontext *ctx, 373 struct st_texture_image *stImage, 374 const struct gl_pixelstore_attrib *unpack, 375 GLint internalFormat, 376 GLint width, GLint height, 377 GLenum format, GLenum type, const void *pixels) 378{ 379 return GL_FALSE; /* XXX fix flushing/locking/blitting below */ 380#if 000 381 struct intel_context *intel = intel_context(ctx); 382 struct intel_buffer_object *pbo = intel_buffer_object(unpack->BufferObj); 383 GLuint src_offset, src_stride; 384 GLuint dst_offset, dst_stride; 385 386 if (!pbo || 387 ctx._ImageTransferState || 388 unpack->SkipPixels || unpack->SkipRows) { 389 _mesa_printf("%s: failure 1\n", __FUNCTION__); 390 return GL_FALSE; 391 } 392 393 src_offset = (GLuint) pixels; 394 395 if (unpack->RowLength > 0) 396 src_stride = unpack->RowLength; 397 else 398 src_stride = width; 399 400 dst_offset = st_texture_image_offset(stImage->pt, 401 stImage->face, 402 stImage->level); 403 404 dst_stride = stImage->pt->pitch; 405 406 { 407 struct _DriBufferObject *src_buffer = 408 intel_bufferobj_buffer(intel, pbo, INTEL_READ); 409 410 /* Temporary hack: cast to _DriBufferObject: 411 */ 412 struct _DriBufferObject *dst_buffer = 413 (struct _DriBufferObject *)stImage->pt->region->buffer; 414 415 416 intelEmitCopyBlit(intel, 417 stImage->pt->cpp, 418 src_stride, src_buffer, src_offset, 419 dst_stride, dst_buffer, dst_offset, 420 0, 0, 0, 0, width, height, 421 GL_COPY); 422 } 423 424 return GL_TRUE; 425#endif 426} 427 428 429/** 430 * Adjust pixel unpack params and image dimensions to strip off the 431 * texture border. 432 * Gallium doesn't support texture borders. They've seldem been used 433 * and seldom been implemented correctly anyway. 434 * \param unpackNew returns the new pixel unpack parameters 435 */ 436static void 437strip_texture_border(GLint border, 438 GLint *width, GLint *height, GLint *depth, 439 const struct gl_pixelstore_attrib *unpack, 440 struct gl_pixelstore_attrib *unpackNew) 441{ 442 assert(border > 0); /* sanity check */ 443 444 *unpackNew = *unpack; 445 446 if (unpackNew->RowLength == 0) 447 unpackNew->RowLength = *width; 448 449 if (depth && unpackNew->ImageHeight == 0) 450 unpackNew->ImageHeight = *height; 451 452 unpackNew->SkipPixels += border; 453 if (height) 454 unpackNew->SkipRows += border; 455 if (depth) 456 unpackNew->SkipImages += border; 457 458 assert(*width >= 3); 459 *width = *width - 2 * border; 460 if (height && *height >= 3) 461 *height = *height - 2 * border; 462 if (depth && *depth >= 3) 463 *depth = *depth - 2 * border; 464} 465 466 467static void 468st_TexImage(GLcontext * ctx, 469 GLint dims, 470 GLenum target, GLint level, 471 GLint internalFormat, 472 GLint width, GLint height, GLint depth, 473 GLint border, 474 GLenum format, GLenum type, const void *pixels, 475 const struct gl_pixelstore_attrib *unpack, 476 struct gl_texture_object *texObj, 477 struct gl_texture_image *texImage, 478 GLsizei imageSize, int compressed) 479{ 480 struct pipe_context *pipe = ctx->st->pipe; 481 struct st_texture_object *stObj = st_texture_object(texObj); 482 struct st_texture_image *stImage = st_texture_image(texImage); 483 GLint postConvWidth, postConvHeight; 484 GLint texelBytes, sizeInBytes; 485 GLuint dstRowStride; 486 struct gl_pixelstore_attrib unpackNB; 487 488 DBG("%s target %s level %d %dx%dx%d border %d\n", __FUNCTION__, 489 _mesa_lookup_enum_by_nr(target), level, width, height, depth, border); 490 491 /* gallium does not support texture borders, strip it off */ 492 if (border) { 493 strip_texture_border(border, &width, &height, &depth, 494 unpack, &unpackNB); 495 unpack = &unpackNB; 496 border = 0; 497 } 498 499 postConvWidth = width; 500 postConvHeight = height; 501 502 stImage->face = _mesa_tex_target_to_face(target); 503 stImage->level = level; 504 505 if (ctx->_ImageTransferState & IMAGE_CONVOLUTION_BIT) { 506 _mesa_adjust_image_for_convolution(ctx, dims, &postConvWidth, 507 &postConvHeight); 508 } 509 510 /* choose the texture format */ 511 texImage->TexFormat = st_ChooseTextureFormat(ctx, internalFormat, 512 format, type); 513 514 _mesa_set_fetch_functions(texImage, dims); 515 516 if (texImage->TexFormat->TexelBytes == 0) { 517 /* must be a compressed format */ 518 texelBytes = 0; 519 texImage->IsCompressed = GL_TRUE; 520 texImage->CompressedSize = 521 ctx->Driver.CompressedTextureSize(ctx, texImage->Width, 522 texImage->Height, texImage->Depth, 523 texImage->TexFormat->MesaFormat); 524 } 525 else { 526 texelBytes = texImage->TexFormat->TexelBytes; 527 528 /* Minimum pitch of 32 bytes */ 529 if (postConvWidth * texelBytes < 32) { 530 postConvWidth = 32 / texelBytes; 531 texImage->RowStride = postConvWidth; 532 } 533 534 /* we'll set RowStride elsewhere when the texture is a "mapped" state */ 535 /*assert(texImage->RowStride == postConvWidth);*/ 536 } 537 538 /* Release the reference to a potentially orphaned buffer. 539 * Release any old malloced memory. 540 */ 541 if (stImage->pt) { 542 pipe_texture_release(&stImage->pt); 543 assert(!texImage->Data); 544 } 545 else if (texImage->Data) { 546 _mesa_align_free(texImage->Data); 547 } 548 549 /* If this is the only mipmap level in the texture, could call 550 * bmBufferData with NULL data to free the old block and avoid 551 * waiting on any outstanding fences. 552 */ 553 if (stObj->pt && 554 /*stObj->pt->first_level == level &&*/ 555 stObj->pt->last_level == level && 556 stObj->pt->target != PIPE_TEXTURE_CUBE && 557 !st_texture_match_image(stObj->pt, &stImage->base, 558 stImage->face, stImage->level)) { 559 560 DBG("release it\n"); 561 pipe_texture_release(&stObj->pt); 562 assert(!stObj->pt); 563 } 564 565 if (!stObj->pt) { 566 guess_and_alloc_texture(ctx->st, stObj, stImage); 567 if (!stObj->pt) { 568 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage"); 569 return; 570 } 571 } 572 573 assert(!stImage->pt); 574 575 if (stObj->pt && 576 st_texture_match_image(stObj->pt, &stImage->base, 577 stImage->face, stImage->level)) { 578 579 pipe_texture_reference(&stImage->pt, stObj->pt); 580 assert(stImage->pt); 581 } 582 583 if (!stImage->pt) 584 DBG("XXX: Image did not fit into texture - storing in local memory!\n"); 585 586#if 0 /* XXX FIX when st_buffer_objects are in place */ 587 /* PBO fastpaths: 588 */ 589 if (dims <= 2 && 590 stImage->pt && 591 intel_buffer_object(unpack->BufferObj) && 592 check_pbo_format(internalFormat, format, 593 type, texImage->TexFormat)) { 594 595 DBG("trying pbo upload\n"); 596 597 598 599 /* Otherwise, attempt to use the blitter for PBO image uploads. 600 */ 601 if (try_pbo_upload(intel, stImage, unpack, 602 internalFormat, 603 width, height, format, type, pixels)) { 604 DBG("pbo upload succeeded\n"); 605 return; 606 } 607 608 DBG("pbo upload failed\n"); 609 } 610#else 611 (void) try_pbo_upload; 612 (void) check_pbo_format; 613#endif 614 615 616 /* st_CopyTexImage calls this function with pixels == NULL, with 617 * the expectation that the texture will be set up but nothing 618 * more will be done. This is where those calls return: 619 */ 620 if (compressed) { 621 pixels = _mesa_validate_pbo_compressed_teximage(ctx, imageSize, pixels, 622 unpack, 623 "glCompressedTexImage"); 624 } else { 625 pixels = _mesa_validate_pbo_teximage(ctx, dims, width, height, 1, 626 format, type, 627 pixels, unpack, "glTexImage"); 628 } 629 if (!pixels) 630 return; 631 632 if (stImage->pt) { 633 texImage->Data = st_texture_image_map(ctx->st, stImage, 0); 634 dstRowStride = stImage->surface->pitch * stImage->surface->cpp; 635 } 636 else { 637 /* Allocate regular memory and store the image there temporarily. */ 638 if (texImage->IsCompressed) { 639 sizeInBytes = texImage->CompressedSize; 640 dstRowStride = 641 _mesa_compressed_row_stride(texImage->TexFormat->MesaFormat, width); 642 assert(dims != 3); 643 } 644 else { 645 dstRowStride = postConvWidth * texelBytes; 646 sizeInBytes = depth * dstRowStride * postConvHeight; 647 } 648 649 texImage->Data = malloc(sizeInBytes); 650 } 651 652 DBG("Upload image %dx%dx%d row_len %x pitch %x\n", 653 width, height, depth, width * texelBytes, dstRowStride); 654 655 /* Copy data. Would like to know when it's ok for us to eg. use 656 * the blitter to copy. Or, use the hardware to do the format 657 * conversion and copy: 658 */ 659 if (compressed) { 660 memcpy(texImage->Data, pixels, imageSize); 661 } 662 else { 663 GLuint srcImageStride = _mesa_image_image_stride(unpack, width, height, 664 format, type); 665 int i; 666 const GLubyte *src = (const GLubyte *) pixels; 667 668 for (i = 0; i++ < depth;) { 669 if (!texImage->TexFormat->StoreImage(ctx, dims, 670 texImage->_BaseFormat, 671 texImage->TexFormat, 672 texImage->Data, 673 0, 0, 0, /* dstX/Y/Zoffset */ 674 dstRowStride, 675 texImage->ImageOffsets, 676 width, height, 1, 677 format, type, src, unpack)) { 678 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage"); 679 } 680 681 if (stImage->pt && i < depth) { 682 st_texture_image_unmap(stImage); 683 texImage->Data = st_texture_image_map(ctx->st, stImage, i); 684 src += srcImageStride; 685 } 686 } 687 } 688 689 _mesa_unmap_teximage_pbo(ctx, unpack); 690 691 if (stImage->pt) { 692 st_texture_image_unmap(stImage); 693 texImage->Data = NULL; 694 } 695 696 if (stObj->pt) 697 pipe->texture_update(pipe, stObj->pt, stImage->face, (1 << level)); 698 699 if (level == texObj->BaseLevel && texObj->GenerateMipmap) { 700 ctx->Driver.GenerateMipmap(ctx, target, texObj); 701 } 702} 703 704 705static void 706st_TexImage3D(GLcontext * ctx, 707 GLenum target, GLint level, 708 GLint internalFormat, 709 GLint width, GLint height, GLint depth, 710 GLint border, 711 GLenum format, GLenum type, const void *pixels, 712 const struct gl_pixelstore_attrib *unpack, 713 struct gl_texture_object *texObj, 714 struct gl_texture_image *texImage) 715{ 716 st_TexImage(ctx, 3, target, level, 717 internalFormat, width, height, depth, border, 718 format, type, pixels, unpack, texObj, texImage, 0, 0); 719} 720 721 722static void 723st_TexImage2D(GLcontext * ctx, 724 GLenum target, GLint level, 725 GLint internalFormat, 726 GLint width, GLint height, GLint border, 727 GLenum format, GLenum type, const void *pixels, 728 const struct gl_pixelstore_attrib *unpack, 729 struct gl_texture_object *texObj, 730 struct gl_texture_image *texImage) 731{ 732 st_TexImage(ctx, 2, target, level, 733 internalFormat, width, height, 1, border, 734 format, type, pixels, unpack, texObj, texImage, 0, 0); 735} 736 737 738static void 739st_TexImage1D(GLcontext * ctx, 740 GLenum target, GLint level, 741 GLint internalFormat, 742 GLint width, GLint border, 743 GLenum format, GLenum type, const void *pixels, 744 const struct gl_pixelstore_attrib *unpack, 745 struct gl_texture_object *texObj, 746 struct gl_texture_image *texImage) 747{ 748 st_TexImage(ctx, 1, target, level, 749 internalFormat, width, 1, 1, border, 750 format, type, pixels, unpack, texObj, texImage, 0, 0); 751} 752 753 754static void 755st_CompressedTexImage2D( GLcontext *ctx, GLenum target, GLint level, 756 GLint internalFormat, 757 GLint width, GLint height, GLint border, 758 GLsizei imageSize, const GLvoid *data, 759 struct gl_texture_object *texObj, 760 struct gl_texture_image *texImage ) 761{ 762 st_TexImage(ctx, 2, target, level, 763 internalFormat, width, height, 1, border, 764 0, 0, data, &ctx->Unpack, texObj, texImage, imageSize, 1); 765} 766 767 768/** 769 * Need to map texture image into memory before copying image data, 770 * then unmap it. 771 */ 772static void 773st_get_tex_image(GLcontext * ctx, GLenum target, GLint level, 774 GLenum format, GLenum type, GLvoid * pixels, 775 struct gl_texture_object *texObj, 776 struct gl_texture_image *texImage, int compressed) 777{ 778 struct st_texture_image *stImage = st_texture_image(texImage); 779 GLuint dstImageStride = _mesa_image_image_stride(&ctx->Pack, texImage->Width, 780 texImage->Height, format, 781 type); 782 GLuint depth; 783 int i; 784 GLubyte *dest; 785 786 /* Map */ 787 if (stImage->pt) { 788 /* Image is stored in hardware format in a buffer managed by the 789 * kernel. Need to explicitly map and unmap it. 790 */ 791 texImage->Data = st_texture_image_map(ctx->st, stImage, 0); 792 texImage->RowStride = stImage->surface->pitch; 793 } 794 else { 795 /* Otherwise, the image should actually be stored in 796 * texImage->Data. This is pretty confusing for 797 * everybody, I'd much prefer to separate the two functions of 798 * texImage->Data - storage for texture images in main memory 799 * and access (ie mappings) of images. In other words, we'd 800 * create a new texImage->Map field and leave Data simply for 801 * storage. 802 */ 803 assert(texImage->Data); 804 } 805 806 depth = texImage->Depth; 807 texImage->Depth = 1; 808 809 dest = (GLubyte *) pixels; 810 811 for (i = 0; i++ < depth;) { 812 if (compressed) { 813 _mesa_get_compressed_teximage(ctx, target, level, dest, 814 texObj, texImage); 815 } else { 816 _mesa_get_teximage(ctx, target, level, format, type, dest, 817 texObj, texImage); 818 } 819 820 if (stImage->pt && i < depth) { 821 st_texture_image_unmap(stImage); 822 texImage->Data = st_texture_image_map(ctx->st, stImage, i); 823 dest += dstImageStride; 824 } 825 } 826 827 texImage->Depth = depth; 828 829 /* Unmap */ 830 if (stImage->pt) { 831 st_texture_image_unmap(stImage); 832 texImage->Data = NULL; 833 } 834} 835 836 837static void 838st_GetTexImage(GLcontext * ctx, GLenum target, GLint level, 839 GLenum format, GLenum type, GLvoid * pixels, 840 struct gl_texture_object *texObj, 841 struct gl_texture_image *texImage) 842{ 843 st_get_tex_image(ctx, target, level, format, type, pixels, 844 texObj, texImage, 0); 845} 846 847 848static void 849st_GetCompressedTexImage(GLcontext *ctx, GLenum target, GLint level, 850 GLvoid *pixels, 851 const struct gl_texture_object *texObj, 852 const struct gl_texture_image *texImage) 853{ 854 st_get_tex_image(ctx, target, level, 0, 0, pixels, 855 (struct gl_texture_object *) texObj, 856 (struct gl_texture_image *) texImage, 1); 857} 858 859 860 861static void 862st_TexSubimage(GLcontext * ctx, 863 GLint dims, 864 GLenum target, GLint level, 865 GLint xoffset, GLint yoffset, GLint zoffset, 866 GLint width, GLint height, GLint depth, 867 GLenum format, GLenum type, const void *pixels, 868 const struct gl_pixelstore_attrib *packing, 869 struct gl_texture_object *texObj, 870 struct gl_texture_image *texImage) 871{ 872 struct pipe_context *pipe = ctx->st->pipe; 873 struct st_texture_object *stObj = st_texture_object(texObj); 874 struct st_texture_image *stImage = st_texture_image(texImage); 875 GLuint dstRowStride; 876 GLuint srcImageStride = _mesa_image_image_stride(packing, width, height, 877 format, type); 878 int i; 879 const GLubyte *src; 880 881 DBG("%s target %s level %d offset %d,%d %dx%d\n", __FUNCTION__, 882 _mesa_lookup_enum_by_nr(target), 883 level, xoffset, yoffset, width, height); 884 885 pixels = 886 _mesa_validate_pbo_teximage(ctx, dims, width, height, depth, format, 887 type, pixels, packing, "glTexSubImage2D"); 888 if (!pixels) 889 return; 890 891 /* Map buffer if necessary. Need to lock to prevent other contexts 892 * from uploading the buffer under us. 893 */ 894 if (stImage->pt) { 895 texImage->Data = st_texture_image_map(ctx->st, stImage, zoffset); 896 dstRowStride = stImage->surface->pitch * stImage->surface->cpp; 897 } 898 899 if (!texImage->Data) { 900 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage"); 901 return; 902 } 903 904 src = (const GLubyte *) pixels; 905 906 for (i = 0; i++ < depth;) { 907 if (!texImage->TexFormat->StoreImage(ctx, dims, texImage->_BaseFormat, 908 texImage->TexFormat, 909 texImage->Data, 910 xoffset, yoffset, 0, 911 dstRowStride, 912 texImage->ImageOffsets, 913 width, height, 1, 914 format, type, src, packing)) { 915 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage"); 916 } 917 918 if (stImage->pt && i < depth) { 919 /* map next slice of 3D texture */ 920 st_texture_image_unmap(stImage); 921 texImage->Data = st_texture_image_map(ctx->st, stImage, zoffset + i); 922 src += srcImageStride; 923 } 924 } 925 926 if (level == texObj->BaseLevel && texObj->GenerateMipmap) { 927 ctx->Driver.GenerateMipmap(ctx, target, texObj); 928 } 929 930 _mesa_unmap_teximage_pbo(ctx, packing); 931 932 if (stImage->pt) { 933 st_texture_image_unmap(stImage); 934 texImage->Data = NULL; 935 } 936 937 pipe->texture_update(pipe, stObj->pt, stImage->face, (1 << level)); 938} 939 940 941 942static void 943st_TexSubImage3D(GLcontext * ctx, 944 GLenum target, 945 GLint level, 946 GLint xoffset, GLint yoffset, GLint zoffset, 947 GLsizei width, GLsizei height, GLsizei depth, 948 GLenum format, GLenum type, 949 const GLvoid * pixels, 950 const struct gl_pixelstore_attrib *packing, 951 struct gl_texture_object *texObj, 952 struct gl_texture_image *texImage) 953{ 954 st_TexSubimage(ctx, 3, target, level, 955 xoffset, yoffset, zoffset, 956 width, height, depth, 957 format, type, pixels, packing, texObj, texImage); 958} 959 960 961 962static void 963st_TexSubImage2D(GLcontext * ctx, 964 GLenum target, 965 GLint level, 966 GLint xoffset, GLint yoffset, 967 GLsizei width, GLsizei height, 968 GLenum format, GLenum type, 969 const GLvoid * pixels, 970 const struct gl_pixelstore_attrib *packing, 971 struct gl_texture_object *texObj, 972 struct gl_texture_image *texImage) 973{ 974 st_TexSubimage(ctx, 2, target, level, 975 xoffset, yoffset, 0, 976 width, height, 1, 977 format, type, pixels, packing, texObj, texImage); 978} 979 980 981static void 982st_TexSubImage1D(GLcontext * ctx, 983 GLenum target, 984 GLint level, 985 GLint xoffset, 986 GLsizei width, 987 GLenum format, GLenum type, 988 const GLvoid * pixels, 989 const struct gl_pixelstore_attrib *packing, 990 struct gl_texture_object *texObj, 991 struct gl_texture_image *texImage) 992{ 993 st_TexSubimage(ctx, 1, target, level, 994 xoffset, 0, 0, 995 width, 1, 1, 996 format, type, pixels, packing, texObj, texImage); 997} 998 999 1000 1001/** 1002 * Return 0 for GL_TEXTURE_CUBE_MAP_POSITIVE_X, 1003 * 1 for GL_TEXTURE_CUBE_MAP_NEGATIVE_X, 1004 * etc. 1005 * XXX duplicated from main/teximage.c 1006 */ 1007static uint 1008texture_face(GLenum target) 1009{ 1010 if (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB && 1011 target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB) 1012 return (GLuint) target - (GLuint) GL_TEXTURE_CUBE_MAP_POSITIVE_X; 1013 else 1014 return 0; 1015} 1016 1017 1018 1019/** 1020 * Do a CopyTexSubImage operation by mapping the source surface and 1021 * dest surface and using get_tile()/put_tile() to access the pixels/texels. 1022 * 1023 * Note: srcY=0=TOP of renderbuffer 1024 */ 1025static void 1026fallback_copy_texsubimage(GLcontext *ctx, 1027 GLenum target, 1028 GLint level, 1029 struct st_renderbuffer *strb, 1030 struct st_texture_image *stImage, 1031 GLenum baseFormat, 1032 GLint destX, GLint destY, GLint destZ, 1033 GLint srcX, GLint srcY, 1034 GLsizei width, GLsizei height) 1035{ 1036 struct pipe_context *pipe = ctx->st->pipe; 1037 struct pipe_screen *screen = pipe->screen; 1038 const uint face = texture_face(target); 1039 struct pipe_texture *pt = stImage->pt; 1040 struct pipe_surface *src_surf, *dest_surf; 1041 GLfloat *data; 1042 GLint row, yStep; 1043 1044 st_flush(ctx->st, PIPE_FLUSH_RENDER_CACHE, NULL); 1045 1046 /* determine bottom-to-top vs. top-to-bottom order */ 1047 if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) { 1048 destY = height - 1 - destY; 1049 yStep = -1; 1050 } 1051 else { 1052 yStep = 1; 1053 } 1054 1055 src_surf = strb->surface; 1056 1057 dest_surf = screen->get_tex_surface(screen, pt, face, level, destZ); 1058 1059 /* buffer for one row */ 1060 data = (GLfloat *) malloc(width * 4 * sizeof(GLfloat)); 1061 1062 /* do copy row by row */ 1063 for (row = 0; row < height; row++) { 1064 pipe_get_tile_rgba(pipe, src_surf, srcX, srcY + row, width, 1, data); 1065 1066 /* XXX we're ignoring convolution for now */ 1067 if (ctx->_ImageTransferState) { 1068 _mesa_apply_rgba_transfer_ops(ctx, 1069 ctx->_ImageTransferState & ~IMAGE_CONVOLUTION_BIT, 1070 width, (GLfloat (*)[4])data); 1071 } 1072 1073 pipe_put_tile_rgba(pipe, dest_surf, destX, destY, width, 1, data); 1074 destY += yStep; 1075 } 1076 1077 free(data); 1078} 1079 1080 1081 1082 1083/** 1084 * Do a CopyTex[Sub]Image using an optimized hardware (blit) path. 1085 * Note that the region to copy has already been clip tested. 1086 * 1087 * Note: srcY=0=Bottom of renderbuffer 1088 * 1089 * \return GL_TRUE if success, GL_FALSE if failure (use a fallback) 1090 */ 1091static void 1092do_copy_texsubimage(GLcontext *ctx, 1093 GLenum target, GLint level, 1094 GLint destX, GLint destY, GLint destZ, 1095 GLint srcX, GLint srcY, 1096 GLsizei width, GLsizei height) 1097{ 1098 struct gl_texture_unit *texUnit = 1099 &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; 1100 struct gl_texture_object *texObj = 1101 _mesa_select_tex_object(ctx, texUnit, target); 1102 struct gl_texture_image *texImage = 1103 _mesa_select_tex_image(ctx, texObj, target, level); 1104 struct st_texture_image *stImage = st_texture_image(texImage); 1105 struct st_texture_object *stObj = st_texture_object(texObj); 1106 GLenum baseFormat = texImage->InternalFormat; 1107 struct gl_framebuffer *fb = ctx->ReadBuffer; 1108 struct st_renderbuffer *strb; 1109 struct pipe_context *pipe = ctx->st->pipe; 1110 struct pipe_screen *screen = pipe->screen; 1111 struct pipe_surface *dest_surface; 1112 uint dest_format, src_format; 1113 uint do_flip = FALSE; 1114 1115 (void) texImage; 1116 1117 /* determine if copying depth or color data */ 1118 if (baseFormat == GL_DEPTH_COMPONENT) { 1119 strb = st_renderbuffer(fb->_DepthBuffer); 1120 } 1121 else if (baseFormat == GL_DEPTH_STENCIL_EXT) { 1122 strb = st_renderbuffer(fb->_StencilBuffer); 1123 } 1124 else { 1125 /* baseFormat == GL_RGB, GL_RGBA, GL_ALPHA, etc */ 1126 strb = st_renderbuffer(fb->_ColorReadBuffer); 1127 } 1128 1129 assert(strb); 1130 assert(strb->surface); 1131 assert(stImage->pt); 1132 1133 if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) { 1134 srcY = strb->Base.Height - srcY - height; 1135 do_flip = TRUE; 1136 } 1137 1138 src_format = strb->surface->format; 1139 dest_format = stImage->pt->format; 1140 1141 dest_surface = screen->get_tex_surface(screen, stImage->pt, stImage->face, 1142 stImage->level, destZ); 1143 1144 if (ctx->_ImageTransferState == 0x0 && 1145 strb->surface->buffer && 1146 dest_surface->buffer) { 1147 /* do blit-style copy */ 1148 1149 /* XXX may need to invert image depending on window 1150 * vs. user-created FBO 1151 */ 1152 1153#if 0 1154 /* A bit of fiddling to get the blitter to work with -ve 1155 * pitches. But we get a nice inverted blit this way, so it's 1156 * worth it: 1157 */ 1158 intelEmitCopyBlit(intel, 1159 stImage->pt->cpp, 1160 -src->pitch, 1161 src->buffer, 1162 src->height * src->pitch * src->cpp, 1163 stImage->pt->pitch, 1164 stImage->pt->region->buffer, 1165 dest_offset, 1166 x, y + height, dstx, dsty, width, height, 1167 GL_COPY); /* ? */ 1168#else 1169 1170 if (src_format == dest_format) { 1171 pipe->surface_copy(pipe, 1172 do_flip, 1173 /* dest */ 1174 dest_surface, 1175 destX, destY, 1176 /* src */ 1177 strb->surface, 1178 srcX, srcY, 1179 /* size */ 1180 width, height); 1181 } else { 1182 util_blit_pixels(ctx->st->blit, 1183 strb->surface, 1184 srcX, do_flip ? srcY + height : srcY, 1185 srcX + width, do_flip ? srcY : srcY + height, 1186 dest_surface, 1187 destX, destY, destX + width, destY + height, 1188 0.0, PIPE_TEX_MIPFILTER_NEAREST); 1189 } 1190#endif 1191 } 1192 else { 1193 fallback_copy_texsubimage(ctx, target, level, 1194 strb, stImage, baseFormat, 1195 destX, destY, destZ, 1196 srcX, srcY, width, height); 1197 } 1198 1199 pipe_surface_reference(&dest_surface, NULL); 1200 1201 pipe->texture_update(pipe, stObj->pt, stImage->face, (1 << level)); 1202 1203 if (level == texObj->BaseLevel && texObj->GenerateMipmap) { 1204 ctx->Driver.GenerateMipmap(ctx, target, texObj); 1205 } 1206} 1207 1208 1209 1210static void 1211st_CopyTexImage1D(GLcontext * ctx, GLenum target, GLint level, 1212 GLenum internalFormat, 1213 GLint x, GLint y, GLsizei width, GLint border) 1214{ 1215 struct gl_texture_unit *texUnit = 1216 &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; 1217 struct gl_texture_object *texObj = 1218 _mesa_select_tex_object(ctx, texUnit, target); 1219 struct gl_texture_image *texImage = 1220 _mesa_select_tex_image(ctx, texObj, target, level); 1221 1222#if 0 1223 if (border) 1224 goto fail; 1225#endif 1226 1227 /* Setup or redefine the texture object, texture and texture 1228 * image. Don't populate yet. 1229 */ 1230 ctx->Driver.TexImage1D(ctx, target, level, internalFormat, 1231 width, border, 1232 GL_RGBA, CHAN_TYPE, NULL, 1233 &ctx->DefaultPacking, texObj, texImage); 1234 1235 do_copy_texsubimage(ctx, target, level, 1236 0, 0, 0, 1237 x, y, width, 1); 1238} 1239 1240 1241static void 1242st_CopyTexImage2D(GLcontext * ctx, GLenum target, GLint level, 1243 GLenum internalFormat, 1244 GLint x, GLint y, GLsizei width, GLsizei height, 1245 GLint border) 1246{ 1247 struct gl_texture_unit *texUnit = 1248 &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; 1249 struct gl_texture_object *texObj = 1250 _mesa_select_tex_object(ctx, texUnit, target); 1251 struct gl_texture_image *texImage = 1252 _mesa_select_tex_image(ctx, texObj, target, level); 1253 1254#if 0 1255 if (border) 1256 goto fail; 1257#endif 1258 1259 /* Setup or redefine the texture object, texture and texture 1260 * image. Don't populate yet. 1261 */ 1262 ctx->Driver.TexImage2D(ctx, target, level, internalFormat, 1263 width, height, border, 1264 GL_RGBA, CHAN_TYPE, NULL, 1265 &ctx->DefaultPacking, texObj, texImage); 1266 1267 1268 do_copy_texsubimage(ctx, target, level, 1269 0, 0, 0, 1270 x, y, width, height); 1271} 1272 1273 1274static void 1275st_CopyTexSubImage1D(GLcontext * ctx, GLenum target, GLint level, 1276 GLint xoffset, GLint x, GLint y, GLsizei width) 1277{ 1278 const GLint yoffset = 0, zoffset = 0; 1279 const GLsizei height = 1; 1280 do_copy_texsubimage(ctx, target, level, 1281 xoffset, yoffset, zoffset, 1282 x, y, width, height); 1283} 1284 1285 1286static void 1287st_CopyTexSubImage2D(GLcontext * ctx, GLenum target, GLint level, 1288 GLint xoffset, GLint yoffset, 1289 GLint x, GLint y, GLsizei width, GLsizei height) 1290{ 1291 const GLint zoffset = 0; 1292 do_copy_texsubimage(ctx, target, level, 1293 xoffset, yoffset, zoffset, 1294 x, y, width, height); 1295} 1296 1297 1298static void 1299st_CopyTexSubImage3D(GLcontext * ctx, GLenum target, GLint level, 1300 GLint xoffset, GLint yoffset, GLint zoffset, 1301 GLint x, GLint y, GLsizei width, GLsizei height) 1302{ 1303 do_copy_texsubimage(ctx, target, level, 1304 xoffset, yoffset, zoffset, 1305 x, y, width, height); 1306} 1307 1308 1309 1310 1311/** 1312 * Compute which mipmap levels that really need to be sent to the hardware. 1313 * This depends on the base image size, GL_TEXTURE_MIN_LOD, 1314 * GL_TEXTURE_MAX_LOD, GL_TEXTURE_BASE_LEVEL, and GL_TEXTURE_MAX_LEVEL. 1315 */ 1316static void 1317calculate_first_last_level(struct st_texture_object *stObj) 1318{ 1319 struct gl_texture_object *tObj = &stObj->base; 1320 const struct gl_texture_image *const baseImage = 1321 tObj->Image[0][tObj->BaseLevel]; 1322 1323 /* These must be signed values. MinLod and MaxLod can be negative numbers, 1324 * and having firstLevel and lastLevel as signed prevents the need for 1325 * extra sign checks. 1326 */ 1327 int firstLevel; 1328 int lastLevel; 1329 1330 /* Yes, this looks overly complicated, but it's all needed. 1331 */ 1332 switch (tObj->Target) { 1333 case GL_TEXTURE_1D: 1334 case GL_TEXTURE_2D: 1335 case GL_TEXTURE_3D: 1336 case GL_TEXTURE_CUBE_MAP: 1337 if (tObj->MinFilter == GL_NEAREST || tObj->MinFilter == GL_LINEAR) { 1338 /* GL_NEAREST and GL_LINEAR only care about GL_TEXTURE_BASE_LEVEL. 1339 */ 1340 firstLevel = lastLevel = tObj->BaseLevel; 1341 } 1342 else { 1343 firstLevel = 0; 1344 lastLevel = MIN2(tObj->MaxLevel - tObj->BaseLevel, baseImage->MaxLog2); 1345 } 1346 break; 1347 case GL_TEXTURE_RECTANGLE_NV: 1348 case GL_TEXTURE_4D_SGIS: 1349 firstLevel = lastLevel = 0; 1350 break; 1351 default: 1352 return; 1353 } 1354 1355 stObj->lastLevel = lastLevel; 1356} 1357 1358 1359static void 1360copy_image_data_to_texture(struct st_context *st, 1361 struct st_texture_object *stObj, 1362 GLuint dstLevel, 1363 struct st_texture_image *stImage) 1364{ 1365 if (stImage->pt) { 1366 /* Copy potentially with the blitter: 1367 */ 1368 st_texture_image_copy(st->pipe, 1369 stObj->pt, dstLevel, /* dest texture, level */ 1370 stImage->pt, /* src texture */ 1371 stImage->face 1372 ); 1373 1374 pipe_texture_release(&stImage->pt); 1375 } 1376 else if (stImage->base.Data) { 1377 assert(stImage->base.Data != NULL); 1378 1379 /* More straightforward upload. 1380 */ 1381 st_texture_image_data(st->pipe, 1382 stObj->pt, 1383 stImage->face, 1384 stImage->level, 1385 stImage->base.Data, 1386 stImage->base.RowStride, 1387 stImage->base.RowStride * 1388 stImage->base.Height); 1389 _mesa_align_free(stImage->base.Data); 1390 stImage->base.Data = NULL; 1391 } 1392 1393 pipe_texture_reference(&stImage->pt, stObj->pt); 1394} 1395 1396 1397/** 1398 * Called during state validation. When this function is finished, 1399 * the texture object should be ready for rendering. 1400 * \return GL_TRUE for success, GL_FALSE for failure (out of mem) 1401 */ 1402GLboolean 1403st_finalize_texture(GLcontext *ctx, 1404 struct pipe_context *pipe, 1405 struct gl_texture_object *tObj, 1406 GLboolean *needFlush) 1407{ 1408 struct st_texture_object *stObj = st_texture_object(tObj); 1409 const GLuint nr_faces = (stObj->base.Target == GL_TEXTURE_CUBE_MAP) ? 6 : 1; 1410 int comp_byte = 0; 1411 int cpp; 1412 GLuint face; 1413 struct st_texture_image *firstImage; 1414 1415 *needFlush = GL_FALSE; 1416 1417 /* We know/require this is true by now: 1418 */ 1419 assert(stObj->base._Complete); 1420 1421 /* What levels must the texture include at a minimum? 1422 */ 1423 calculate_first_last_level(stObj); 1424 firstImage = st_texture_image(stObj->base.Image[0][stObj->base.BaseLevel]); 1425 1426#if 0 1427 /* Fallback case: 1428 */ 1429 if (firstImage->base.Border) { 1430 if (stObj->pt) { 1431 pipe_texture_release(&stObj->pt); 1432 } 1433 return GL_FALSE; 1434 } 1435#endif 1436 1437 /* If both firstImage and stObj point to a texture which can contain 1438 * all active images, favour firstImage. Note that because of the 1439 * completeness requirement, we know that the image dimensions 1440 * will match. 1441 */ 1442 if (firstImage->pt && 1443 firstImage->pt != stObj->pt && 1444 firstImage->pt->last_level >= stObj->lastLevel) { 1445 1446 if (stObj->pt) 1447 pipe_texture_release(&stObj->pt); 1448 1449 pipe_texture_reference(&stObj->pt, firstImage->pt); 1450 } 1451 1452 if (firstImage->base.IsCompressed) { 1453 comp_byte = compressed_num_bytes(firstImage->base.TexFormat->MesaFormat); 1454 cpp = comp_byte; 1455 } 1456 else { 1457 cpp = firstImage->base.TexFormat->TexelBytes; 1458 } 1459 1460 /* Check texture can hold all active levels. Check texture matches 1461 * target, imageFormat, etc. 1462 */ 1463 if (stObj->pt && 1464 (stObj->pt->target != gl_target_to_pipe(stObj->base.Target) || 1465 stObj->pt->format != 1466 st_mesa_format_to_pipe_format(firstImage->base.TexFormat->MesaFormat) || 1467 stObj->pt->last_level != stObj->lastLevel || 1468 stObj->pt->width[0] != firstImage->base.Width2 || 1469 stObj->pt->height[0] != firstImage->base.Height2 || 1470 stObj->pt->depth[0] != firstImage->base.Depth2 || 1471 stObj->pt->cpp != cpp || 1472 stObj->pt->compressed != firstImage->base.IsCompressed)) { 1473 pipe_texture_release(&stObj->pt); 1474 } 1475 1476 1477 /* May need to create a new texture: 1478 */ 1479 if (!stObj->pt) { 1480 stObj->pt = st_texture_create(ctx->st, 1481 gl_target_to_pipe(stObj->base.Target), 1482 st_mesa_format_to_pipe_format(firstImage->base.TexFormat->MesaFormat), 1483 stObj->lastLevel, 1484 firstImage->base.Width2, 1485 firstImage->base.Height2, 1486 firstImage->base.Depth2, 1487 comp_byte); 1488 if (!stObj->pt) { 1489 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage"); 1490 return GL_FALSE; 1491 } 1492 } 1493 1494 /* Pull in any images not in the object's texture: 1495 */ 1496 for (face = 0; face < nr_faces; face++) { 1497 GLuint level; 1498 for (level = 0; level <= stObj->lastLevel; level++) { 1499 struct st_texture_image *stImage = 1500 st_texture_image(stObj->base.Image[face][stObj->base.BaseLevel + level]); 1501 1502 /* Need to import images in main memory or held in other textures. 1503 */ 1504 if (stImage && stObj->pt != stImage->pt) { 1505 copy_image_data_to_texture(ctx->st, stObj, level, stImage); 1506 *needFlush = GL_TRUE; 1507 pipe->texture_update(pipe, stObj->pt, face, (1 << level)); 1508 } 1509 } 1510 } 1511 1512 return GL_TRUE; 1513} 1514 1515 1516 1517 1518void 1519st_init_texture_functions(struct dd_function_table *functions) 1520{ 1521 functions->ChooseTextureFormat = st_ChooseTextureFormat; 1522 functions->TexImage1D = st_TexImage1D; 1523 functions->TexImage2D = st_TexImage2D; 1524 functions->TexImage3D = st_TexImage3D; 1525 functions->TexSubImage1D = st_TexSubImage1D; 1526 functions->TexSubImage2D = st_TexSubImage2D; 1527 functions->TexSubImage3D = st_TexSubImage3D; 1528 functions->CopyTexImage1D = st_CopyTexImage1D; 1529 functions->CopyTexImage2D = st_CopyTexImage2D; 1530 functions->CopyTexSubImage1D = st_CopyTexSubImage1D; 1531 functions->CopyTexSubImage2D = st_CopyTexSubImage2D; 1532 functions->CopyTexSubImage3D = st_CopyTexSubImage3D; 1533 functions->GenerateMipmap = st_generate_mipmap; 1534 1535 functions->GetTexImage = st_GetTexImage; 1536 1537 /* compressed texture functions */ 1538 functions->CompressedTexImage2D = st_CompressedTexImage2D; 1539 functions->GetCompressedTexImage = st_GetCompressedTexImage; 1540 functions->CompressedTextureSize = _mesa_compressed_texture_size; 1541 1542 functions->NewTextureObject = st_NewTextureObject; 1543 functions->NewTextureImage = st_NewTextureImage; 1544 functions->DeleteTexture = st_DeleteTextureObject; 1545 functions->FreeTexImageData = st_FreeTextureImageData; 1546 functions->UpdateTexturePalette = 0; 1547 functions->IsTextureResident = st_IsTextureResident; 1548 1549 functions->TextureMemCpy = do_memcpy; 1550 1551 /* XXX Temporary until we can query pipe's texture sizes */ 1552 functions->TestProxyTexImage = _mesa_test_proxy_teximage; 1553} 1554