st_cb_texture.c revision 41b8a2e9391cd85a65ba30a7e5f5068b5767d58a
1/************************************************************************** 2 * 3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. 4 * All Rights Reserved. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sub license, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial portions 16 * of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR 22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25 * 26 **************************************************************************/ 27 28#include "main/mfeatures.h" 29#include "main/bufferobj.h" 30#include "main/enums.h" 31#include "main/fbobject.h" 32#include "main/formats.h" 33#include "main/image.h" 34#include "main/imports.h" 35#include "main/macros.h" 36#include "main/mipmap.h" 37#include "main/texcompress.h" 38#include "main/texfetch.h" 39#include "main/texgetimage.h" 40#include "main/teximage.h" 41#include "main/texobj.h" 42#include "main/texstore.h" 43 44#include "state_tracker/st_debug.h" 45#include "state_tracker/st_context.h" 46#include "state_tracker/st_cb_fbo.h" 47#include "state_tracker/st_cb_texture.h" 48#include "state_tracker/st_format.h" 49#include "state_tracker/st_texture.h" 50#include "state_tracker/st_gen_mipmap.h" 51#include "state_tracker/st_inlines.h" 52#include "state_tracker/st_atom.h" 53 54#include "pipe/p_context.h" 55#include "pipe/p_defines.h" 56#include "util/u_inlines.h" 57#include "pipe/p_shader_tokens.h" 58#include "util/u_tile.h" 59#include "util/u_blit.h" 60#include "util/u_format.h" 61#include "util/u_surface.h" 62#include "util/u_sampler.h" 63#include "util/u_math.h" 64 65 66#define DBG if (0) printf 67 68 69static enum pipe_texture_target 70gl_target_to_pipe(GLenum target) 71{ 72 switch (target) { 73 case GL_TEXTURE_1D: 74 return PIPE_TEXTURE_1D; 75 76 case GL_TEXTURE_2D: 77 case GL_TEXTURE_RECTANGLE_NV: 78 return PIPE_TEXTURE_2D; 79 80 case GL_TEXTURE_3D: 81 return PIPE_TEXTURE_3D; 82 83 case GL_TEXTURE_CUBE_MAP_ARB: 84 return PIPE_TEXTURE_CUBE; 85 86 default: 87 assert(0); 88 return 0; 89 } 90} 91 92 93/** called via ctx->Driver.NewTextureImage() */ 94static struct gl_texture_image * 95st_NewTextureImage(GLcontext * ctx) 96{ 97 DBG("%s\n", __FUNCTION__); 98 (void) ctx; 99 return (struct gl_texture_image *) ST_CALLOC_STRUCT(st_texture_image); 100} 101 102 103/** called via ctx->Driver.NewTextureObject() */ 104static struct gl_texture_object * 105st_NewTextureObject(GLcontext * ctx, GLuint name, GLenum target) 106{ 107 struct st_texture_object *obj = ST_CALLOC_STRUCT(st_texture_object); 108 109 DBG("%s\n", __FUNCTION__); 110 _mesa_initialize_texture_object(&obj->base, name, target); 111 112 return &obj->base; 113} 114 115/** called via ctx->Driver.DeleteTextureImage() */ 116static void 117st_DeleteTextureObject(GLcontext *ctx, 118 struct gl_texture_object *texObj) 119{ 120 struct st_context *st = st_context(ctx); 121 struct st_texture_object *stObj = st_texture_object(texObj); 122 if (stObj->pt) 123 pipe_resource_reference(&stObj->pt, NULL); 124 if (stObj->sampler_view) { 125 if (stObj->sampler_view->context != st->pipe) { 126 /* Take "ownership" of this texture sampler view by setting 127 * its context pointer to this context. This avoids potential 128 * crashes when the texture object is shared among contexts 129 * and the original/owner context has already been destroyed. 130 */ 131 stObj->sampler_view->context = st->pipe; 132 } 133 pipe_sampler_view_reference(&stObj->sampler_view, NULL); 134 } 135 _mesa_delete_texture_object(ctx, texObj); 136} 137 138 139/** called via ctx->Driver.FreeTexImageData() */ 140static void 141st_FreeTextureImageData(GLcontext * ctx, struct gl_texture_image *texImage) 142{ 143 struct st_texture_image *stImage = st_texture_image(texImage); 144 145 DBG("%s\n", __FUNCTION__); 146 147 if (stImage->pt) { 148 pipe_resource_reference(&stImage->pt, NULL); 149 } 150 151 if (texImage->Data) { 152 _mesa_align_free(texImage->Data); 153 texImage->Data = NULL; 154 } 155} 156 157 158/** 159 * From linux kernel i386 header files, copes with odd sizes better 160 * than COPY_DWORDS would: 161 * XXX Put this in src/mesa/main/imports.h ??? 162 */ 163#if defined(PIPE_CC_GCC) && defined(PIPE_ARCH_X86) 164static INLINE void * 165__memcpy(void *to, const void *from, size_t n) 166{ 167 int d0, d1, d2; 168 __asm__ __volatile__("rep ; movsl\n\t" 169 "testb $2,%b4\n\t" 170 "je 1f\n\t" 171 "movsw\n" 172 "1:\ttestb $1,%b4\n\t" 173 "je 2f\n\t" 174 "movsb\n" "2:":"=&c"(d0), "=&D"(d1), "=&S"(d2) 175 :"0"(n / 4), "q"(n), "1"((long) to), "2"((long) from) 176 :"memory"); 177 return (to); 178} 179#else 180#define __memcpy(a,b,c) memcpy(a,b,c) 181#endif 182 183 184/** 185 * The system memcpy (at least on ubuntu 5.10) has problems copying 186 * to agp (writecombined) memory from a source which isn't 64-byte 187 * aligned - there is a 4x performance falloff. 188 * 189 * The x86 __memcpy is immune to this but is slightly slower 190 * (10%-ish) than the system memcpy. 191 * 192 * The sse_memcpy seems to have a slight cliff at 64/32 bytes, but 193 * isn't much faster than x86_memcpy for agp copies. 194 * 195 * TODO: switch dynamically. 196 */ 197static void * 198do_memcpy(void *dest, const void *src, size_t n) 199{ 200 if ((((unsigned long) src) & 63) || (((unsigned long) dest) & 63)) { 201 return __memcpy(dest, src, n); 202 } 203 else 204 return memcpy(dest, src, n); 205} 206 207 208/** 209 * Return default texture resource binding bitmask for the given format. 210 */ 211static GLuint 212default_bindings(struct st_context *st, enum pipe_format format) 213{ 214 struct pipe_screen *screen = st->pipe->screen; 215 const unsigned target = PIPE_TEXTURE_2D; 216 const unsigned geom = 0x0; 217 unsigned bindings; 218 219 if (util_format_is_depth_or_stencil(format)) 220 bindings = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_DEPTH_STENCIL; 221 else 222 bindings = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET; 223 224 if (screen->is_format_supported(screen, format, target, bindings, geom)) 225 return bindings; 226 else 227 return PIPE_BIND_SAMPLER_VIEW; 228} 229 230 231/** Return number of image dimensions (1, 2 or 3) for a texture target. */ 232static GLuint 233get_texture_dims(GLenum target) 234{ 235 switch (target) { 236 case GL_TEXTURE_1D: 237 case GL_TEXTURE_1D_ARRAY_EXT: 238 return 1; 239 case GL_TEXTURE_2D: 240 case GL_TEXTURE_CUBE_MAP_ARB: 241 case GL_TEXTURE_RECTANGLE_NV: 242 case GL_TEXTURE_2D_ARRAY_EXT: 243 return 2; 244 case GL_TEXTURE_3D: 245 return 3; 246 default: 247 assert(0 && "invalid texture target in get_texture_dims()"); 248 return 1; 249 } 250} 251 252 253/** 254 * Try to allocate a pipe_resource object for the given st_texture_object. 255 * 256 * We use the given st_texture_image as a clue to determine the size of the 257 * mipmap image at level=0. 258 * 259 */ 260static void 261guess_and_alloc_texture(struct st_context *st, 262 struct st_texture_object *stObj, 263 const struct st_texture_image *stImage) 264{ 265 const GLuint dims = get_texture_dims(stObj->base.Target); 266 GLuint level, lastLevel, width, height, depth; 267 GLuint bindings; 268 enum pipe_format fmt; 269 270 DBG("%s\n", __FUNCTION__); 271 272 assert(!stObj->pt); 273 274 level = stImage->level; 275 width = stImage->base.Width2; /* size w/out border */ 276 height = stImage->base.Height2; 277 depth = stImage->base.Depth2; 278 279 assert(width > 0); 280 assert(height > 0); 281 assert(depth > 0); 282 283 /* Depending on the image's size, we can't always make a guess here. 284 */ 285 if (level > 0) { 286 if ( (dims >= 1 && width == 1) || 287 (dims >= 2 && height == 1) || 288 (dims >= 3 && depth == 1) ) { 289 /* we can't determine the image size at level=0 */ 290 stObj->width0 = stObj->height0 = stObj->depth0 = 0; 291 return; 292 } 293 } 294 295 /* grow the image size until we hit level = 0 */ 296 while (level > 0) { 297 if (width != 1) 298 width <<= 1; 299 if (height != 1) 300 height <<= 1; 301 if (depth != 1) 302 depth <<= 1; 303 level--; 304 } 305 306 assert(level == 0); 307 308 /* At this point, (width x height x depth) is the expected size of 309 * the level=0 mipmap image. 310 */ 311 312 /* Guess a reasonable value for lastLevel. With OpenGL we have no 313 * idea how many mipmap levels will be in a texture until we start 314 * to render with it. Make an educated guess here but be prepared 315 * to re-allocating a texture buffer with space for more (or fewer) 316 * mipmap levels later. 317 */ 318 if ((stObj->base.MinFilter == GL_NEAREST || 319 stObj->base.MinFilter == GL_LINEAR || 320 stImage->base._BaseFormat == GL_DEPTH_COMPONENT || 321 stImage->base._BaseFormat == GL_DEPTH_STENCIL_EXT) && 322 !stObj->base.GenerateMipmap && 323 stImage->level == 0) { 324 /* only alloc space for a single mipmap level */ 325 lastLevel = 0; 326 } 327 else { 328 /* alloc space for a full mipmap */ 329 GLuint l2width = util_logbase2(width); 330 GLuint l2height = util_logbase2(height); 331 GLuint l2depth = util_logbase2(depth); 332 lastLevel = MAX2(MAX2(l2width, l2height), l2depth); 333 } 334 335 /* Save the level=0 dimensions */ 336 stObj->width0 = width; 337 stObj->height0 = height; 338 stObj->depth0 = depth; 339 340 fmt = st_mesa_format_to_pipe_format(stImage->base.TexFormat); 341 342 bindings = default_bindings(st, fmt); 343 344 stObj->pt = st_texture_create(st, 345 gl_target_to_pipe(stObj->base.Target), 346 fmt, 347 lastLevel, 348 width, 349 height, 350 depth, 351 bindings); 352 353 DBG("%s - success\n", __FUNCTION__); 354} 355 356 357/** 358 * Adjust pixel unpack params and image dimensions to strip off the 359 * texture border. 360 * Gallium doesn't support texture borders. They've seldem been used 361 * and seldom been implemented correctly anyway. 362 * \param unpackNew returns the new pixel unpack parameters 363 */ 364static void 365strip_texture_border(GLint border, 366 GLint *width, GLint *height, GLint *depth, 367 const struct gl_pixelstore_attrib *unpack, 368 struct gl_pixelstore_attrib *unpackNew) 369{ 370 assert(border > 0); /* sanity check */ 371 372 *unpackNew = *unpack; 373 374 if (unpackNew->RowLength == 0) 375 unpackNew->RowLength = *width; 376 377 if (depth && unpackNew->ImageHeight == 0) 378 unpackNew->ImageHeight = *height; 379 380 unpackNew->SkipPixels += border; 381 if (height) 382 unpackNew->SkipRows += border; 383 if (depth) 384 unpackNew->SkipImages += border; 385 386 assert(*width >= 3); 387 *width = *width - 2 * border; 388 if (height && *height >= 3) 389 *height = *height - 2 * border; 390 if (depth && *depth >= 3) 391 *depth = *depth - 2 * border; 392} 393 394 395/** 396 * Try to do texture compression via rendering. If the Gallium driver 397 * can render into a compressed surface this will allow us to do texture 398 * compression. 399 * \return GL_TRUE for success, GL_FALSE for failure 400 */ 401static GLboolean 402compress_with_blit(GLcontext * ctx, 403 GLenum target, GLint level, 404 GLint xoffset, GLint yoffset, GLint zoffset, 405 GLint width, GLint height, GLint depth, 406 GLenum format, GLenum type, const void *pixels, 407 const struct gl_pixelstore_attrib *unpack, 408 struct gl_texture_image *texImage) 409{ 410 const GLuint dstImageOffsets[1] = {0}; 411 struct st_texture_image *stImage = st_texture_image(texImage); 412 struct st_context *st = st_context(ctx); 413 struct pipe_context *pipe = st->pipe; 414 struct pipe_screen *screen = pipe->screen; 415 gl_format mesa_format; 416 struct pipe_resource templ; 417 struct pipe_resource *src_tex; 418 struct pipe_sampler_view view_templ; 419 struct pipe_sampler_view *src_view; 420 struct pipe_surface *dst_surface; 421 struct pipe_transfer *tex_xfer; 422 void *map; 423 424 if (!stImage->pt) { 425 /* XXX: Can this happen? Should we assert? */ 426 return GL_FALSE; 427 } 428 429 /* get destination surface (in the compressed texture) */ 430 dst_surface = screen->get_tex_surface(screen, stImage->pt, 431 stImage->face, stImage->level, 0, 432 PIPE_BIND_BLIT_DESTINATION); 433 if (!dst_surface) { 434 /* can't render into this format (or other problem) */ 435 return GL_FALSE; 436 } 437 438 /* Choose format for the temporary RGBA texture image. 439 */ 440 mesa_format = st_ChooseTextureFormat(ctx, GL_RGBA, format, type); 441 assert(mesa_format); 442 if (!mesa_format) 443 return GL_FALSE; 444 445 /* Create the temporary source texture 446 */ 447 memset(&templ, 0, sizeof(templ)); 448 templ.target = PIPE_TEXTURE_2D; 449 templ.format = st_mesa_format_to_pipe_format(mesa_format); 450 templ.width0 = width; 451 templ.height0 = height; 452 templ.depth0 = 1; 453 templ.last_level = 0; 454 templ.usage = PIPE_USAGE_DEFAULT; 455 templ.bind = PIPE_BIND_SAMPLER_VIEW; 456 src_tex = screen->resource_create(screen, &templ); 457 458 if (!src_tex) 459 return GL_FALSE; 460 461 /* Put user's tex data into the temporary texture 462 */ 463 tex_xfer = st_cond_flush_get_tex_transfer(st_context(ctx), src_tex, 464 0, 0, 0, /* face, level are zero */ 465 PIPE_TRANSFER_WRITE, 466 0, 0, width, height); /* x, y, w, h */ 467 map = pipe_transfer_map(pipe, tex_xfer); 468 469 _mesa_texstore(ctx, 2, GL_RGBA, mesa_format, 470 map, /* dest ptr */ 471 0, 0, 0, /* dest x/y/z offset */ 472 tex_xfer->stride, /* dest row stride (bytes) */ 473 dstImageOffsets, /* image offsets (for 3D only) */ 474 width, height, 1, /* size */ 475 format, type, /* source format/type */ 476 pixels, /* source data */ 477 unpack); /* source data packing */ 478 479 pipe_transfer_unmap(pipe, tex_xfer); 480 pipe->transfer_destroy(pipe, tex_xfer); 481 482 /* Create temporary sampler view */ 483 u_sampler_view_default_template(&view_templ, 484 src_tex, 485 src_tex->format); 486 src_view = pipe->create_sampler_view(pipe, src_tex, &view_templ); 487 488 489 /* copy / compress image */ 490 util_blit_pixels_tex(st->blit, 491 src_view, /* sampler view (src) */ 492 0, 0, /* src x0, y0 */ 493 width, height, /* src x1, y1 */ 494 dst_surface, /* pipe_surface (dst) */ 495 xoffset, yoffset, /* dst x0, y0 */ 496 xoffset + width, /* dst x1 */ 497 yoffset + height, /* dst y1 */ 498 0.0, /* z */ 499 PIPE_TEX_MIPFILTER_NEAREST); 500 501 pipe_surface_reference(&dst_surface, NULL); 502 pipe_resource_reference(&src_tex, NULL); 503 pipe_sampler_view_reference(&src_view, NULL); 504 505 return GL_TRUE; 506} 507 508 509/** 510 * Do glTexImage1/2/3D(). 511 */ 512static void 513st_TexImage(GLcontext * ctx, 514 GLint dims, 515 GLenum target, GLint level, 516 GLint internalFormat, 517 GLint width, GLint height, GLint depth, 518 GLint border, 519 GLenum format, GLenum type, const void *pixels, 520 const struct gl_pixelstore_attrib *unpack, 521 struct gl_texture_object *texObj, 522 struct gl_texture_image *texImage, 523 GLsizei imageSize, GLboolean compressed_src) 524{ 525 struct st_context *st = st_context(ctx); 526 struct pipe_screen *screen = st->pipe->screen; 527 struct st_texture_object *stObj = st_texture_object(texObj); 528 struct st_texture_image *stImage = st_texture_image(texImage); 529 GLuint dstRowStride = 0; 530 struct gl_pixelstore_attrib unpackNB; 531 enum pipe_transfer_usage transfer_usage = 0; 532 533 DBG("%s target %s level %d %dx%dx%d border %d\n", __FUNCTION__, 534 _mesa_lookup_enum_by_nr(target), level, width, height, depth, border); 535 536 /* The Mesa/Gallium state tracker does not implement the imaging extensions 537 * such as convolution. 538 */ 539 assert(!ctx->Extensions.ARB_imaging); 540 assert(!ctx->Extensions.EXT_convolution); 541 542 /* switch to "normal" */ 543 if (stObj->surface_based) { 544 _mesa_clear_texture_object(ctx, texObj); 545 stObj->surface_based = GL_FALSE; 546 } 547 548 /* gallium does not support texture borders, strip it off */ 549 if (border) { 550 strip_texture_border(border, &width, &height, &depth, unpack, &unpackNB); 551 unpack = &unpackNB; 552 texImage->Width = width; 553 texImage->Height = height; 554 texImage->Depth = depth; 555 texImage->Border = 0; 556 border = 0; 557 } 558 559 stImage->face = _mesa_tex_target_to_face(target); 560 stImage->level = level; 561 562 _mesa_set_fetch_functions(texImage, dims); 563 564 /* Release the reference to a potentially orphaned buffer. 565 * Release any old malloced memory. 566 */ 567 if (stImage->pt) { 568 pipe_resource_reference(&stImage->pt, NULL); 569 assert(!texImage->Data); 570 } 571 else if (texImage->Data) { 572 _mesa_align_free(texImage->Data); 573 } 574 575 /* 576 * See if the new image is somehow incompatible with the existing 577 * mipmap. If so, free the old mipmap. 578 */ 579 if (stObj->pt) { 580 if (level > (GLint) stObj->pt->last_level || 581 !st_texture_match_image(stObj->pt, &stImage->base, 582 stImage->face, stImage->level)) { 583 DBG("release it\n"); 584 pipe_resource_reference(&stObj->pt, NULL); 585 assert(!stObj->pt); 586 pipe_sampler_view_reference(&stObj->sampler_view, NULL); 587 } 588 } 589 590 if (width == 0 || height == 0 || depth == 0) { 591 /* stop after freeing old image */ 592 return; 593 } 594 595 if (!stObj->pt) { 596 guess_and_alloc_texture(st, stObj, stImage); 597 if (!stObj->pt) { 598 /* Probably out of memory. 599 * Try flushing any pending rendering, then retry. 600 */ 601 st_finish(st); 602 guess_and_alloc_texture(st, stObj, stImage); 603 if (!stObj->pt) { 604 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage"); 605 return; 606 } 607 } 608 } 609 610 assert(!stImage->pt); 611 612 if (stObj->pt && 613 st_texture_match_image(stObj->pt, &stImage->base, 614 stImage->face, stImage->level)) { 615 616 pipe_resource_reference(&stImage->pt, stObj->pt); 617 assert(stImage->pt); 618 } 619 620 if (!stImage->pt) 621 DBG("XXX: Image did not fit into texture - storing in local memory!\n"); 622 623 /* st_CopyTexImage calls this function with pixels == NULL, with 624 * the expectation that the texture will be set up but nothing 625 * more will be done. This is where those calls return: 626 */ 627 if (compressed_src) { 628 pixels = _mesa_validate_pbo_compressed_teximage(ctx, imageSize, pixels, 629 unpack, 630 "glCompressedTexImage"); 631 } 632 else { 633 pixels = _mesa_validate_pbo_teximage(ctx, dims, width, height, 1, 634 format, type, 635 pixels, unpack, "glTexImage"); 636 } 637 638 /* Note: we can't check for pixels==NULL until after we've allocated 639 * memory for the texture. 640 */ 641 642 /* See if we can do texture compression with a blit/render. 643 */ 644 if (!compressed_src && 645 !ctx->Mesa_DXTn && 646 _mesa_is_format_compressed(texImage->TexFormat) && 647 screen->is_format_supported(screen, 648 stImage->pt->format, 649 stImage->pt->target, 650 PIPE_BIND_RENDER_TARGET, 0)) { 651 if (!pixels) 652 goto done; 653 654 if (compress_with_blit(ctx, target, level, 0, 0, 0, width, height, depth, 655 format, type, pixels, unpack, texImage)) { 656 goto done; 657 } 658 } 659 660 if (stImage->pt) { 661 /* Store the image in the gallium texture memory buffer */ 662 if (format == GL_DEPTH_COMPONENT && 663 util_format_is_depth_and_stencil(stImage->pt->format)) 664 transfer_usage = PIPE_TRANSFER_READ_WRITE; 665 else 666 transfer_usage = PIPE_TRANSFER_WRITE; 667 668 texImage->Data = st_texture_image_map(st, stImage, 0, 669 transfer_usage, 0, 0, 670 stImage->base.Width, 671 stImage->base.Height); 672 if(stImage->transfer) 673 dstRowStride = stImage->transfer->stride; 674 } 675 else { 676 /* Allocate regular memory and store the image there temporarily. */ 677 GLint sizeInBytes; 678 679 if (_mesa_is_format_compressed(texImage->TexFormat)) { 680 sizeInBytes = _mesa_format_image_size(texImage->TexFormat, 681 texImage->Width, 682 texImage->Height, 683 texImage->Depth); 684 dstRowStride = _mesa_format_row_stride(texImage->TexFormat, width); 685 assert(dims != 3); 686 } 687 else { 688 GLint texelBytes; 689 texelBytes = _mesa_get_format_bytes(texImage->TexFormat); 690 dstRowStride = width * texelBytes; 691 sizeInBytes = depth * dstRowStride * height; 692 } 693 694 texImage->Data = _mesa_align_malloc(sizeInBytes, 16); 695 } 696 697 if (!texImage->Data) { 698 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage"); 699 return; 700 } 701 702 if (!pixels) 703 goto done; 704 705 DBG("Upload image %dx%dx%d row_len %x pitch %x\n", 706 width, height, depth, width, dstRowStride); 707 708 /* Copy data. Would like to know when it's ok for us to eg. use 709 * the blitter to copy. Or, use the hardware to do the format 710 * conversion and copy: 711 */ 712 if (compressed_src) { 713 const GLuint srcImageStride = _mesa_format_row_stride(texImage->TexFormat, width); 714 if(dstRowStride == srcImageStride) 715 memcpy(texImage->Data, pixels, imageSize); 716 else 717 { 718 char *dst = texImage->Data; 719 const char *src = pixels; 720 GLuint i, bw, bh, lines; 721 _mesa_get_format_block_size(texImage->TexFormat, &bw, &bh); 722 lines = (height + bh - 1) / bh; 723 724 for(i = 0; i < lines; ++i) 725 { 726 memcpy(dst, src, srcImageStride); 727 dst += dstRowStride; 728 src += srcImageStride; 729 } 730 } 731 } 732 else { 733 const GLuint srcImageStride = 734 _mesa_image_image_stride(unpack, width, height, format, type); 735 GLint i; 736 const GLubyte *src = (const GLubyte *) pixels; 737 738 for (i = 0; i < depth; i++) { 739 if (!_mesa_texstore(ctx, dims, 740 texImage->_BaseFormat, 741 texImage->TexFormat, 742 texImage->Data, 743 0, 0, 0, /* dstX/Y/Zoffset */ 744 dstRowStride, 745 texImage->ImageOffsets, 746 width, height, 1, 747 format, type, src, unpack)) { 748 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage"); 749 } 750 751 if (stImage->pt && i + 1 < depth) { 752 /* unmap this slice */ 753 st_texture_image_unmap(st, stImage); 754 /* map next slice of 3D texture */ 755 texImage->Data = st_texture_image_map(st, stImage, i + 1, 756 transfer_usage, 0, 0, 757 stImage->base.Width, 758 stImage->base.Height); 759 src += srcImageStride; 760 } 761 } 762 } 763 764done: 765 _mesa_unmap_teximage_pbo(ctx, unpack); 766 767 if (stImage->pt && texImage->Data) { 768 st_texture_image_unmap(st, stImage); 769 texImage->Data = NULL; 770 } 771} 772 773 774static void 775st_TexImage3D(GLcontext * ctx, 776 GLenum target, GLint level, 777 GLint internalFormat, 778 GLint width, GLint height, GLint depth, 779 GLint border, 780 GLenum format, GLenum type, const void *pixels, 781 const struct gl_pixelstore_attrib *unpack, 782 struct gl_texture_object *texObj, 783 struct gl_texture_image *texImage) 784{ 785 st_TexImage(ctx, 3, target, level, internalFormat, width, height, depth, 786 border, format, type, pixels, unpack, texObj, texImage, 787 0, GL_FALSE); 788} 789 790 791static void 792st_TexImage2D(GLcontext * ctx, 793 GLenum target, GLint level, 794 GLint internalFormat, 795 GLint width, GLint height, GLint border, 796 GLenum format, GLenum type, const void *pixels, 797 const struct gl_pixelstore_attrib *unpack, 798 struct gl_texture_object *texObj, 799 struct gl_texture_image *texImage) 800{ 801 st_TexImage(ctx, 2, target, level, internalFormat, width, height, 1, border, 802 format, type, pixels, unpack, texObj, texImage, 0, GL_FALSE); 803} 804 805 806static void 807st_TexImage1D(GLcontext * ctx, 808 GLenum target, GLint level, 809 GLint internalFormat, 810 GLint width, GLint border, 811 GLenum format, GLenum type, const void *pixels, 812 const struct gl_pixelstore_attrib *unpack, 813 struct gl_texture_object *texObj, 814 struct gl_texture_image *texImage) 815{ 816 st_TexImage(ctx, 1, target, level, internalFormat, width, 1, 1, border, 817 format, type, pixels, unpack, texObj, texImage, 0, GL_FALSE); 818} 819 820 821static void 822st_CompressedTexImage2D(GLcontext *ctx, GLenum target, GLint level, 823 GLint internalFormat, 824 GLint width, GLint height, GLint border, 825 GLsizei imageSize, const GLvoid *data, 826 struct gl_texture_object *texObj, 827 struct gl_texture_image *texImage) 828{ 829 st_TexImage(ctx, 2, target, level, internalFormat, width, height, 1, border, 830 0, 0, data, &ctx->Unpack, texObj, texImage, imageSize, GL_TRUE); 831} 832 833 834 835/** 836 * glGetTexImage() helper: decompress a compressed texture by rendering 837 * a textured quad. Store the results in the user's buffer. 838 */ 839static void 840decompress_with_blit(GLcontext * ctx, GLenum target, GLint level, 841 GLenum format, GLenum type, GLvoid *pixels, 842 struct gl_texture_object *texObj, 843 struct gl_texture_image *texImage) 844{ 845 struct st_context *st = st_context(ctx); 846 struct pipe_context *pipe = st->pipe; 847 struct pipe_screen *screen = pipe->screen; 848 struct st_texture_image *stImage = st_texture_image(texImage); 849 struct st_texture_object *stObj = st_texture_object(texObj); 850 struct pipe_sampler_view *src_view = 851 st_get_texture_sampler_view(stObj, pipe); 852 const GLuint width = texImage->Width; 853 const GLuint height = texImage->Height; 854 struct pipe_surface *dst_surface; 855 struct pipe_resource *dst_texture; 856 struct pipe_transfer *tex_xfer; 857 unsigned bind = (PIPE_BIND_BLIT_DESTINATION | 858 PIPE_BIND_RENDER_TARGET | /* util_blit may choose to render */ 859 PIPE_BIND_TRANSFER_READ); 860 861 /* create temp / dest surface */ 862 if (!util_create_rgba_surface(screen, width, height, bind, 863 &dst_texture, &dst_surface)) { 864 _mesa_problem(ctx, "util_create_rgba_surface() failed " 865 "in decompress_with_blit()"); 866 return; 867 } 868 869 /* blit/render/decompress */ 870 util_blit_pixels_tex(st->blit, 871 src_view, /* pipe_resource (src) */ 872 0, 0, /* src x0, y0 */ 873 width, height, /* src x1, y1 */ 874 dst_surface, /* pipe_surface (dst) */ 875 0, 0, /* dst x0, y0 */ 876 width, height, /* dst x1, y1 */ 877 0.0, /* z */ 878 PIPE_TEX_MIPFILTER_NEAREST); 879 880 /* map the dst_surface so we can read from it */ 881 tex_xfer = st_cond_flush_get_tex_transfer(st_context(ctx), 882 dst_texture, 0, 0, 0, 883 PIPE_TRANSFER_READ, 884 0, 0, width, height); 885 886 pixels = _mesa_map_pbo_dest(ctx, &ctx->Pack, pixels); 887 888 /* copy/pack data into user buffer */ 889 if (st_equal_formats(stImage->pt->format, format, type)) { 890 /* memcpy */ 891 const uint bytesPerRow = width * util_format_get_blocksize(stImage->pt->format); 892 ubyte *map = pipe_transfer_map(pipe, tex_xfer); 893 GLuint row; 894 for (row = 0; row < height; row++) { 895 GLvoid *dest = _mesa_image_address2d(&ctx->Pack, pixels, width, 896 height, format, type, row, 0); 897 memcpy(dest, map, bytesPerRow); 898 map += tex_xfer->stride; 899 } 900 pipe_transfer_unmap(pipe, tex_xfer); 901 } 902 else { 903 /* format translation via floats */ 904 GLuint row; 905 for (row = 0; row < height; row++) { 906 const GLbitfield transferOps = 0x0; /* bypassed for glGetTexImage() */ 907 GLfloat rgba[4 * MAX_WIDTH]; 908 GLvoid *dest = _mesa_image_address2d(&ctx->Pack, pixels, width, 909 height, format, type, row, 0); 910 911 if (ST_DEBUG & DEBUG_FALLBACK) 912 debug_printf("%s: fallback format translation\n", __FUNCTION__); 913 914 /* get float[4] rgba row from surface */ 915 pipe_get_tile_rgba(pipe, tex_xfer, 0, row, width, 1, rgba); 916 917 _mesa_pack_rgba_span_float(ctx, width, (GLfloat (*)[4]) rgba, format, 918 type, dest, &ctx->Pack, transferOps); 919 } 920 } 921 922 _mesa_unmap_pbo_dest(ctx, &ctx->Pack); 923 924 pipe->transfer_destroy(pipe, tex_xfer); 925 926 /* destroy the temp / dest surface */ 927 util_destroy_rgba_surface(dst_texture, dst_surface); 928} 929 930 931 932/** 933 * Need to map texture image into memory before copying image data, 934 * then unmap it. 935 */ 936static void 937st_get_tex_image(GLcontext * ctx, GLenum target, GLint level, 938 GLenum format, GLenum type, GLvoid * pixels, 939 struct gl_texture_object *texObj, 940 struct gl_texture_image *texImage, GLboolean compressed_dst) 941{ 942 struct st_context *st = st_context(ctx); 943 struct st_texture_image *stImage = st_texture_image(texImage); 944 const GLuint dstImageStride = 945 _mesa_image_image_stride(&ctx->Pack, texImage->Width, texImage->Height, 946 format, type); 947 GLuint depth, i; 948 GLubyte *dest; 949 950 if (stImage->pt && 951 util_format_is_s3tc(stImage->pt->format) && 952 !compressed_dst) { 953 /* Need to decompress the texture. 954 * We'll do this by rendering a textured quad. 955 * Note that we only expect RGBA formats (no Z/depth formats). 956 */ 957 decompress_with_blit(ctx, target, level, format, type, pixels, 958 texObj, texImage); 959 return; 960 } 961 962 /* Map */ 963 if (stImage->pt) { 964 /* Image is stored in hardware format in a buffer managed by the 965 * kernel. Need to explicitly map and unmap it. 966 */ 967 unsigned face = _mesa_tex_target_to_face(target); 968 969 st_teximage_flush_before_map(st, stImage->pt, face, level, 970 PIPE_TRANSFER_READ); 971 972 texImage->Data = st_texture_image_map(st, stImage, 0, 973 PIPE_TRANSFER_READ, 0, 0, 974 stImage->base.Width, 975 stImage->base.Height); 976 /* compute stride in texels from stride in bytes */ 977 texImage->RowStride = stImage->transfer->stride 978 * util_format_get_blockwidth(stImage->pt->format) 979 / util_format_get_blocksize(stImage->pt->format); 980 } 981 else { 982 /* Otherwise, the image should actually be stored in 983 * texImage->Data. This is pretty confusing for 984 * everybody, I'd much prefer to separate the two functions of 985 * texImage->Data - storage for texture images in main memory 986 * and access (ie mappings) of images. In other words, we'd 987 * create a new texImage->Map field and leave Data simply for 988 * storage. 989 */ 990 assert(texImage->Data); 991 } 992 993 depth = texImage->Depth; 994 texImage->Depth = 1; 995 996 dest = (GLubyte *) pixels; 997 998 for (i = 0; i < depth; i++) { 999 if (compressed_dst) { 1000 _mesa_get_compressed_teximage(ctx, target, level, dest, 1001 texObj, texImage); 1002 } 1003 else { 1004 _mesa_get_teximage(ctx, target, level, format, type, dest, 1005 texObj, texImage); 1006 } 1007 1008 if (stImage->pt && i + 1 < depth) { 1009 /* unmap this slice */ 1010 st_texture_image_unmap(st, stImage); 1011 /* map next slice of 3D texture */ 1012 texImage->Data = st_texture_image_map(st, stImage, i + 1, 1013 PIPE_TRANSFER_READ, 0, 0, 1014 stImage->base.Width, 1015 stImage->base.Height); 1016 dest += dstImageStride; 1017 } 1018 } 1019 1020 texImage->Depth = depth; 1021 1022 /* Unmap */ 1023 if (stImage->pt) { 1024 st_texture_image_unmap(st, stImage); 1025 texImage->Data = NULL; 1026 } 1027} 1028 1029 1030static void 1031st_GetTexImage(GLcontext * ctx, GLenum target, GLint level, 1032 GLenum format, GLenum type, GLvoid * pixels, 1033 struct gl_texture_object *texObj, 1034 struct gl_texture_image *texImage) 1035{ 1036 st_get_tex_image(ctx, target, level, format, type, pixels, texObj, texImage, 1037 GL_FALSE); 1038} 1039 1040 1041static void 1042st_GetCompressedTexImage(GLcontext *ctx, GLenum target, GLint level, 1043 GLvoid *pixels, 1044 struct gl_texture_object *texObj, 1045 struct gl_texture_image *texImage) 1046{ 1047 st_get_tex_image(ctx, target, level, 0, 0, pixels, texObj, texImage, 1048 GL_TRUE); 1049} 1050 1051 1052 1053static void 1054st_TexSubimage(GLcontext *ctx, GLint dims, GLenum target, GLint level, 1055 GLint xoffset, GLint yoffset, GLint zoffset, 1056 GLint width, GLint height, GLint depth, 1057 GLenum format, GLenum type, const void *pixels, 1058 const struct gl_pixelstore_attrib *packing, 1059 struct gl_texture_object *texObj, 1060 struct gl_texture_image *texImage) 1061{ 1062 struct st_context *st = st_context(ctx); 1063 struct pipe_screen *screen = st->pipe->screen; 1064 struct st_texture_image *stImage = st_texture_image(texImage); 1065 GLuint dstRowStride; 1066 const GLuint srcImageStride = 1067 _mesa_image_image_stride(packing, width, height, format, type); 1068 GLint i; 1069 const GLubyte *src; 1070 /* init to silence warning only: */ 1071 enum pipe_transfer_usage transfer_usage = PIPE_TRANSFER_WRITE; 1072 1073 DBG("%s target %s level %d offset %d,%d %dx%d\n", __FUNCTION__, 1074 _mesa_lookup_enum_by_nr(target), 1075 level, xoffset, yoffset, width, height); 1076 1077 pixels = 1078 _mesa_validate_pbo_teximage(ctx, dims, width, height, depth, format, 1079 type, pixels, packing, "glTexSubImage2D"); 1080 if (!pixels) 1081 return; 1082 1083 /* See if we can do texture compression with a blit/render. 1084 */ 1085 if (!ctx->Mesa_DXTn && 1086 _mesa_is_format_compressed(texImage->TexFormat) && 1087 screen->is_format_supported(screen, 1088 stImage->pt->format, 1089 stImage->pt->target, 1090 PIPE_BIND_RENDER_TARGET, 0)) { 1091 if (compress_with_blit(ctx, target, level, 1092 xoffset, yoffset, zoffset, 1093 width, height, depth, 1094 format, type, pixels, packing, texImage)) { 1095 goto done; 1096 } 1097 } 1098 1099 /* Map buffer if necessary. Need to lock to prevent other contexts 1100 * from uploading the buffer under us. 1101 */ 1102 if (stImage->pt) { 1103 unsigned face = _mesa_tex_target_to_face(target); 1104 1105 if (format == GL_DEPTH_COMPONENT && 1106 util_format_is_depth_and_stencil(stImage->pt->format)) 1107 transfer_usage = PIPE_TRANSFER_READ_WRITE; 1108 else 1109 transfer_usage = PIPE_TRANSFER_WRITE; 1110 1111 st_teximage_flush_before_map(st, stImage->pt, face, level, 1112 transfer_usage); 1113 texImage->Data = st_texture_image_map(st, stImage, zoffset, 1114 transfer_usage, 1115 xoffset, yoffset, 1116 width, height); 1117 } 1118 1119 if (!texImage->Data) { 1120 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage"); 1121 goto done; 1122 } 1123 1124 src = (const GLubyte *) pixels; 1125 dstRowStride = stImage->transfer->stride; 1126 1127 for (i = 0; i < depth; i++) { 1128 if (!_mesa_texstore(ctx, dims, texImage->_BaseFormat, 1129 texImage->TexFormat, 1130 texImage->Data, 1131 0, 0, 0, 1132 dstRowStride, 1133 texImage->ImageOffsets, 1134 width, height, 1, 1135 format, type, src, packing)) { 1136 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage"); 1137 } 1138 1139 if (stImage->pt && i + 1 < depth) { 1140 /* unmap this slice */ 1141 st_texture_image_unmap(st, stImage); 1142 /* map next slice of 3D texture */ 1143 texImage->Data = st_texture_image_map(st, stImage, 1144 zoffset + i + 1, 1145 transfer_usage, 1146 xoffset, yoffset, 1147 width, height); 1148 src += srcImageStride; 1149 } 1150 } 1151 1152done: 1153 _mesa_unmap_teximage_pbo(ctx, packing); 1154 1155 if (stImage->pt && texImage->Data) { 1156 st_texture_image_unmap(st, stImage); 1157 texImage->Data = NULL; 1158 } 1159} 1160 1161 1162 1163static void 1164st_TexSubImage3D(GLcontext *ctx, GLenum target, GLint level, 1165 GLint xoffset, GLint yoffset, GLint zoffset, 1166 GLsizei width, GLsizei height, GLsizei depth, 1167 GLenum format, GLenum type, const GLvoid *pixels, 1168 const struct gl_pixelstore_attrib *packing, 1169 struct gl_texture_object *texObj, 1170 struct gl_texture_image *texImage) 1171{ 1172 st_TexSubimage(ctx, 3, target, level, xoffset, yoffset, zoffset, 1173 width, height, depth, format, type, 1174 pixels, packing, texObj, texImage); 1175} 1176 1177 1178static void 1179st_TexSubImage2D(GLcontext *ctx, GLenum target, GLint level, 1180 GLint xoffset, GLint yoffset, 1181 GLsizei width, GLsizei height, 1182 GLenum format, GLenum type, const GLvoid * pixels, 1183 const struct gl_pixelstore_attrib *packing, 1184 struct gl_texture_object *texObj, 1185 struct gl_texture_image *texImage) 1186{ 1187 st_TexSubimage(ctx, 2, target, level, xoffset, yoffset, 0, 1188 width, height, 1, format, type, 1189 pixels, packing, texObj, texImage); 1190} 1191 1192 1193static void 1194st_TexSubImage1D(GLcontext *ctx, GLenum target, GLint level, 1195 GLint xoffset, GLsizei width, GLenum format, GLenum type, 1196 const GLvoid * pixels, 1197 const struct gl_pixelstore_attrib *packing, 1198 struct gl_texture_object *texObj, 1199 struct gl_texture_image *texImage) 1200{ 1201 st_TexSubimage(ctx, 1, target, level, xoffset, 0, 0, width, 1, 1, 1202 format, type, pixels, packing, texObj, texImage); 1203} 1204 1205 1206static void 1207st_CompressedTexSubImage1D(GLcontext *ctx, GLenum target, GLint level, 1208 GLint xoffset, GLsizei width, 1209 GLenum format, 1210 GLsizei imageSize, const GLvoid *data, 1211 struct gl_texture_object *texObj, 1212 struct gl_texture_image *texImage) 1213{ 1214 assert(0); 1215} 1216 1217 1218static void 1219st_CompressedTexSubImage2D(GLcontext *ctx, GLenum target, GLint level, 1220 GLint xoffset, GLint yoffset, 1221 GLsizei width, GLint height, 1222 GLenum format, 1223 GLsizei imageSize, const GLvoid *data, 1224 struct gl_texture_object *texObj, 1225 struct gl_texture_image *texImage) 1226{ 1227 struct st_context *st = st_context(ctx); 1228 struct st_texture_image *stImage = st_texture_image(texImage); 1229 int srcBlockStride; 1230 int dstBlockStride; 1231 int y; 1232 enum pipe_format pformat; 1233 1234 if (stImage->pt) { 1235 unsigned face = _mesa_tex_target_to_face(target); 1236 pformat = stImage->pt->format; 1237 1238 st_teximage_flush_before_map(st, stImage->pt, face, level, 1239 PIPE_TRANSFER_WRITE); 1240 texImage->Data = st_texture_image_map(st, stImage, 0, 1241 PIPE_TRANSFER_WRITE, 1242 xoffset, yoffset, 1243 width, height); 1244 1245 srcBlockStride = util_format_get_stride(pformat, width); 1246 dstBlockStride = stImage->transfer->stride; 1247 } else { 1248 assert(stImage->pt); 1249 /* TODO find good values for block and strides */ 1250 /* TODO also adjust texImage->data for yoffset/xoffset */ 1251 return; 1252 } 1253 1254 if (!texImage->Data) { 1255 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexSubImage"); 1256 return; 1257 } 1258 1259 assert(xoffset % util_format_get_blockwidth(pformat) == 0); 1260 assert(yoffset % util_format_get_blockheight(pformat) == 0); 1261 assert(width % util_format_get_blockwidth(pformat) == 0); 1262 assert(height % util_format_get_blockheight(pformat) == 0); 1263 1264 for (y = 0; y < height; y += util_format_get_blockheight(pformat)) { 1265 /* don't need to adjust for xoffset and yoffset as st_texture_image_map does that */ 1266 const char *src = (const char*)data + srcBlockStride * util_format_get_nblocksy(pformat, y); 1267 char *dst = (char*)texImage->Data + dstBlockStride * util_format_get_nblocksy(pformat, y); 1268 memcpy(dst, src, util_format_get_stride(pformat, width)); 1269 } 1270 1271 if (stImage->pt) { 1272 st_texture_image_unmap(st, stImage); 1273 texImage->Data = NULL; 1274 } 1275} 1276 1277 1278static void 1279st_CompressedTexSubImage3D(GLcontext *ctx, GLenum target, GLint level, 1280 GLint xoffset, GLint yoffset, GLint zoffset, 1281 GLsizei width, GLint height, GLint depth, 1282 GLenum format, 1283 GLsizei imageSize, const GLvoid *data, 1284 struct gl_texture_object *texObj, 1285 struct gl_texture_image *texImage) 1286{ 1287 assert(0); 1288} 1289 1290 1291 1292/** 1293 * Do a CopyTexSubImage operation using a read transfer from the source, 1294 * a write transfer to the destination and get_tile()/put_tile() to access 1295 * the pixels/texels. 1296 * 1297 * Note: srcY=0=TOP of renderbuffer 1298 */ 1299static void 1300fallback_copy_texsubimage(GLcontext *ctx, GLenum target, GLint level, 1301 struct st_renderbuffer *strb, 1302 struct st_texture_image *stImage, 1303 GLenum baseFormat, 1304 GLint destX, GLint destY, GLint destZ, 1305 GLint srcX, GLint srcY, 1306 GLsizei width, GLsizei height) 1307{ 1308 struct st_context *st = st_context(ctx); 1309 struct pipe_context *pipe = st->pipe; 1310 struct pipe_transfer *src_trans; 1311 GLvoid *texDest; 1312 enum pipe_transfer_usage transfer_usage; 1313 1314 if (ST_DEBUG & DEBUG_FALLBACK) 1315 debug_printf("%s: fallback processing\n", __FUNCTION__); 1316 1317 assert(width <= MAX_WIDTH); 1318 1319 if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) { 1320 srcY = strb->Base.Height - srcY - height; 1321 } 1322 1323 src_trans = st_cond_flush_get_tex_transfer( st_context(ctx), 1324 strb->texture, 1325 0, 0, 0, 1326 PIPE_TRANSFER_READ, 1327 srcX, srcY, 1328 width, height); 1329 1330 if ((baseFormat == GL_DEPTH_COMPONENT || 1331 baseFormat == GL_DEPTH_STENCIL) && 1332 util_format_is_depth_and_stencil(stImage->pt->format)) 1333 transfer_usage = PIPE_TRANSFER_READ_WRITE; 1334 else 1335 transfer_usage = PIPE_TRANSFER_WRITE; 1336 1337 st_teximage_flush_before_map(st, stImage->pt, 0, 0, 1338 transfer_usage); 1339 1340 texDest = st_texture_image_map(st, stImage, 0, transfer_usage, 1341 destX, destY, width, height); 1342 1343 if (baseFormat == GL_DEPTH_COMPONENT || 1344 baseFormat == GL_DEPTH_STENCIL) { 1345 const GLboolean scaleOrBias = (ctx->Pixel.DepthScale != 1.0F || 1346 ctx->Pixel.DepthBias != 0.0F); 1347 GLint row, yStep; 1348 1349 /* determine bottom-to-top vs. top-to-bottom order for src buffer */ 1350 if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) { 1351 srcY = height - 1; 1352 yStep = -1; 1353 } 1354 else { 1355 srcY = 0; 1356 yStep = 1; 1357 } 1358 1359 /* To avoid a large temp memory allocation, do copy row by row */ 1360 for (row = 0; row < height; row++, srcY += yStep) { 1361 uint data[MAX_WIDTH]; 1362 pipe_get_tile_z(pipe, src_trans, 0, srcY, width, 1, data); 1363 if (scaleOrBias) { 1364 _mesa_scale_and_bias_depth_uint(ctx, width, data); 1365 } 1366 pipe_put_tile_z(pipe, stImage->transfer, 0, row, width, 1, data); 1367 } 1368 } 1369 else { 1370 /* RGBA format */ 1371 GLfloat *tempSrc = 1372 (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat)); 1373 1374 if (tempSrc && texDest) { 1375 const GLint dims = 2; 1376 const GLint dstRowStride = stImage->transfer->stride; 1377 struct gl_texture_image *texImage = &stImage->base; 1378 struct gl_pixelstore_attrib unpack = ctx->DefaultPacking; 1379 1380 if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) { 1381 unpack.Invert = GL_TRUE; 1382 } 1383 1384 /* get float/RGBA image from framebuffer */ 1385 /* XXX this usually involves a lot of int/float conversion. 1386 * try to avoid that someday. 1387 */ 1388 pipe_get_tile_rgba(pipe, src_trans, 0, 0, width, height, tempSrc); 1389 1390 /* Store into texture memory. 1391 * Note that this does some special things such as pixel transfer 1392 * ops and format conversion. In particular, if the dest tex format 1393 * is actually RGBA but the user created the texture as GL_RGB we 1394 * need to fill-in/override the alpha channel with 1.0. 1395 */ 1396 _mesa_texstore(ctx, dims, 1397 texImage->_BaseFormat, 1398 texImage->TexFormat, 1399 texDest, 1400 0, 0, 0, 1401 dstRowStride, 1402 texImage->ImageOffsets, 1403 width, height, 1, 1404 GL_RGBA, GL_FLOAT, tempSrc, /* src */ 1405 &unpack); 1406 } 1407 else { 1408 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage"); 1409 } 1410 1411 if (tempSrc) 1412 free(tempSrc); 1413 } 1414 1415 st_texture_image_unmap(st, stImage); 1416 pipe->transfer_destroy(pipe, src_trans); 1417} 1418 1419 1420 1421/** 1422 * If the format of the src renderbuffer and the format of the dest 1423 * texture are compatible (in terms of blitting), return a TGSI writemask 1424 * to be used during the blit. 1425 * If the src/dest are incompatible, return 0. 1426 */ 1427static unsigned 1428compatible_src_dst_formats(GLcontext *ctx, 1429 const struct gl_renderbuffer *src, 1430 const struct gl_texture_image *dst) 1431{ 1432 /* Get logical base formats for the src and dest. 1433 * That is, use the user-requested formats and not the actual, device- 1434 * chosen formats. 1435 * For example, the user may have requested an A8 texture but the 1436 * driver may actually be using an RGBA texture format. When we 1437 * copy/blit to that texture, we only want to copy the Alpha channel 1438 * and not the RGB channels. 1439 * 1440 * Similarly, when the src FBO was created an RGB format may have been 1441 * requested but the driver actually chose an RGBA format. In that case, 1442 * we don't want to copy the undefined Alpha channel to the dest texture 1443 * (it should be 1.0). 1444 */ 1445 const GLenum srcFormat = _mesa_base_fbo_format(ctx, src->InternalFormat); 1446 const GLenum dstFormat = _mesa_base_tex_format(ctx, dst->InternalFormat); 1447 1448 /** 1449 * XXX when we have red-only and red/green renderbuffers we'll need 1450 * to add more cases here (or implement a general-purpose routine that 1451 * queries the existance of the R,G,B,A channels in the src and dest). 1452 */ 1453 if (srcFormat == dstFormat) { 1454 /* This is the same as matching_base_formats, which should 1455 * always pass, as it did previously. 1456 */ 1457 return TGSI_WRITEMASK_XYZW; 1458 } 1459 else if (srcFormat == GL_RGB && dstFormat == GL_RGBA) { 1460 /* Make sure that A in the dest is 1. The actual src format 1461 * may be RGBA and have undefined A values. 1462 */ 1463 return TGSI_WRITEMASK_XYZ; 1464 } 1465 else if (srcFormat == GL_RGBA && dstFormat == GL_RGB) { 1466 /* Make sure that A in the dest is 1. The actual dst format 1467 * may be RGBA and will need A=1 to provide proper alpha values 1468 * when sampled later. 1469 */ 1470 return TGSI_WRITEMASK_XYZ; 1471 } 1472 else { 1473 if (ST_DEBUG & DEBUG_FALLBACK) 1474 debug_printf("%s failed for src %s, dst %s\n", 1475 __FUNCTION__, 1476 _mesa_lookup_enum_by_nr(srcFormat), 1477 _mesa_lookup_enum_by_nr(dstFormat)); 1478 1479 /* Otherwise fail. 1480 */ 1481 return 0; 1482 } 1483} 1484 1485 1486 1487/** 1488 * Do a CopyTex[Sub]Image1/2/3D() using a hardware (blit) path if possible. 1489 * Note that the region to copy has already been clipped so we know we 1490 * won't read from outside the source renderbuffer's bounds. 1491 * 1492 * Note: srcY=0=Bottom of renderbuffer (GL convention) 1493 */ 1494static void 1495st_copy_texsubimage(GLcontext *ctx, 1496 GLenum target, GLint level, 1497 GLint destX, GLint destY, GLint destZ, 1498 GLint srcX, GLint srcY, 1499 GLsizei width, GLsizei height) 1500{ 1501 struct gl_texture_unit *texUnit = 1502 &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; 1503 struct gl_texture_object *texObj = 1504 _mesa_select_tex_object(ctx, texUnit, target); 1505 struct gl_texture_image *texImage = 1506 _mesa_select_tex_image(ctx, texObj, target, level); 1507 struct st_texture_image *stImage = st_texture_image(texImage); 1508 const GLenum texBaseFormat = texImage->_BaseFormat; 1509 struct gl_framebuffer *fb = ctx->ReadBuffer; 1510 struct st_renderbuffer *strb; 1511 struct st_context *st = st_context(ctx); 1512 struct pipe_context *pipe = st->pipe; 1513 struct pipe_screen *screen = pipe->screen; 1514 enum pipe_format dest_format, src_format; 1515 GLboolean use_fallback = GL_TRUE; 1516 GLboolean matching_base_formats; 1517 GLuint format_writemask; 1518 struct pipe_surface *dest_surface = NULL; 1519 GLboolean do_flip = (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP); 1520 1521 /* any rendering in progress must flushed before we grab the fb image */ 1522 st_flush(st, PIPE_FLUSH_RENDER_CACHE, NULL); 1523 1524 /* make sure finalize_textures has been called? 1525 */ 1526 if (0) st_validate_state(st); 1527 1528 /* determine if copying depth or color data */ 1529 if (texBaseFormat == GL_DEPTH_COMPONENT || 1530 texBaseFormat == GL_DEPTH_STENCIL) { 1531 strb = st_renderbuffer(fb->_DepthBuffer); 1532 } 1533 else { 1534 /* texBaseFormat == GL_RGB, GL_RGBA, GL_ALPHA, etc */ 1535 strb = st_renderbuffer(fb->_ColorReadBuffer); 1536 } 1537 1538 if (!strb || !strb->surface || !stImage->pt) { 1539 debug_printf("%s: null strb or stImage\n", __FUNCTION__); 1540 return; 1541 } 1542 1543 if (srcX < 0) { 1544 width -= -srcX; 1545 destX += -srcX; 1546 srcX = 0; 1547 } 1548 1549 if (srcY < 0) { 1550 height -= -srcY; 1551 destY += -srcY; 1552 srcY = 0; 1553 } 1554 1555 if (destX < 0) { 1556 width -= -destX; 1557 srcX += -destX; 1558 destX = 0; 1559 } 1560 1561 if (destY < 0) { 1562 height -= -destY; 1563 srcY += -destY; 1564 destY = 0; 1565 } 1566 1567 if (width < 0 || height < 0) 1568 return; 1569 1570 1571 assert(strb); 1572 assert(strb->surface); 1573 assert(stImage->pt); 1574 1575 src_format = strb->surface->format; 1576 dest_format = stImage->pt->format; 1577 1578 /* 1579 * Determine if the src framebuffer and dest texture have the same 1580 * base format. We need this to detect a case such as the framebuffer 1581 * being GL_RGBA but the texture being GL_RGB. If the actual hardware 1582 * texture format stores RGBA we need to set A=1 (overriding the 1583 * framebuffer's alpha values). We can't do that with the blit or 1584 * textured-quad paths. 1585 */ 1586 matching_base_formats = 1587 (_mesa_get_format_base_format(strb->Base.Format) == 1588 _mesa_get_format_base_format(texImage->TexFormat)); 1589 format_writemask = compatible_src_dst_formats(ctx, &strb->Base, texImage); 1590 1591 if (ctx->_ImageTransferState == 0x0) { 1592 1593 if (matching_base_formats && 1594 src_format == dest_format && 1595 !do_flip) 1596 { 1597 /* use surface_copy() / blit */ 1598 1599 dest_surface = screen->get_tex_surface(screen, stImage->pt, 1600 stImage->face, stImage->level, 1601 destZ, 1602 PIPE_BIND_BLIT_DESTINATION); 1603 1604 /* for surface_copy(), y=0=top, always */ 1605 pipe->surface_copy(pipe, 1606 /* dest */ 1607 dest_surface, 1608 destX, destY, 1609 /* src */ 1610 strb->surface, 1611 srcX, srcY, 1612 /* size */ 1613 width, height); 1614 use_fallback = GL_FALSE; 1615 } 1616 else if (format_writemask && 1617 texBaseFormat != GL_DEPTH_COMPONENT && 1618 texBaseFormat != GL_DEPTH_STENCIL && 1619 screen->is_format_supported(screen, src_format, 1620 PIPE_TEXTURE_2D, 1621 PIPE_BIND_SAMPLER_VIEW, 1622 0) && 1623 screen->is_format_supported(screen, dest_format, 1624 PIPE_TEXTURE_2D, 1625 PIPE_BIND_RENDER_TARGET, 1626 0)) { 1627 /* draw textured quad to do the copy */ 1628 GLint srcY0, srcY1; 1629 1630 dest_surface = screen->get_tex_surface(screen, stImage->pt, 1631 stImage->face, stImage->level, 1632 destZ, 1633 PIPE_BIND_BLIT_DESTINATION); 1634 1635 if (do_flip) { 1636 srcY1 = strb->Base.Height - srcY - height; 1637 srcY0 = srcY1 + height; 1638 } 1639 else { 1640 srcY0 = srcY; 1641 srcY1 = srcY0 + height; 1642 } 1643 util_blit_pixels_writemask(st->blit, 1644 strb->surface, 1645 st_get_renderbuffer_sampler_view(strb, pipe), 1646 srcX, srcY0, 1647 srcX + width, srcY1, 1648 dest_surface, 1649 destX, destY, 1650 destX + width, destY + height, 1651 0.0, PIPE_TEX_MIPFILTER_NEAREST, 1652 format_writemask); 1653 use_fallback = GL_FALSE; 1654 } 1655 1656 if (dest_surface) 1657 pipe_surface_reference(&dest_surface, NULL); 1658 } 1659 1660 if (use_fallback) { 1661 /* software fallback */ 1662 fallback_copy_texsubimage(ctx, target, level, 1663 strb, stImage, texBaseFormat, 1664 destX, destY, destZ, 1665 srcX, srcY, width, height); 1666 } 1667} 1668 1669 1670 1671static void 1672st_CopyTexImage1D(GLcontext * ctx, GLenum target, GLint level, 1673 GLenum internalFormat, 1674 GLint x, GLint y, GLsizei width, GLint border) 1675{ 1676 struct gl_texture_unit *texUnit = 1677 &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; 1678 struct gl_texture_object *texObj = 1679 _mesa_select_tex_object(ctx, texUnit, target); 1680 struct gl_texture_image *texImage = 1681 _mesa_select_tex_image(ctx, texObj, target, level); 1682 1683 /* Setup or redefine the texture object, texture and texture 1684 * image. Don't populate yet. 1685 */ 1686 ctx->Driver.TexImage1D(ctx, target, level, internalFormat, 1687 width, border, 1688 GL_RGBA, CHAN_TYPE, NULL, 1689 &ctx->DefaultPacking, texObj, texImage); 1690 1691 st_copy_texsubimage(ctx, target, level, 1692 0, 0, 0, /* destX,Y,Z */ 1693 x, y, width, 1); /* src X, Y, size */ 1694} 1695 1696 1697static void 1698st_CopyTexImage2D(GLcontext * ctx, GLenum target, GLint level, 1699 GLenum internalFormat, 1700 GLint x, GLint y, GLsizei width, GLsizei height, 1701 GLint border) 1702{ 1703 struct gl_texture_unit *texUnit = 1704 &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; 1705 struct gl_texture_object *texObj = 1706 _mesa_select_tex_object(ctx, texUnit, target); 1707 struct gl_texture_image *texImage = 1708 _mesa_select_tex_image(ctx, texObj, target, level); 1709 1710 /* Setup or redefine the texture object, texture and texture 1711 * image. Don't populate yet. 1712 */ 1713 ctx->Driver.TexImage2D(ctx, target, level, internalFormat, 1714 width, height, border, 1715 GL_RGBA, CHAN_TYPE, NULL, 1716 &ctx->DefaultPacking, texObj, texImage); 1717 1718 st_copy_texsubimage(ctx, target, level, 1719 0, 0, 0, /* destX,Y,Z */ 1720 x, y, width, height); /* src X, Y, size */ 1721} 1722 1723 1724static void 1725st_CopyTexSubImage1D(GLcontext * ctx, GLenum target, GLint level, 1726 GLint xoffset, GLint x, GLint y, GLsizei width) 1727{ 1728 const GLint yoffset = 0, zoffset = 0; 1729 const GLsizei height = 1; 1730 st_copy_texsubimage(ctx, target, level, 1731 xoffset, yoffset, zoffset, /* destX,Y,Z */ 1732 x, y, width, height); /* src X, Y, size */ 1733} 1734 1735 1736static void 1737st_CopyTexSubImage2D(GLcontext * ctx, GLenum target, GLint level, 1738 GLint xoffset, GLint yoffset, 1739 GLint x, GLint y, GLsizei width, GLsizei height) 1740{ 1741 const GLint zoffset = 0; 1742 st_copy_texsubimage(ctx, target, level, 1743 xoffset, yoffset, zoffset, /* destX,Y,Z */ 1744 x, y, width, height); /* src X, Y, size */ 1745} 1746 1747 1748static void 1749st_CopyTexSubImage3D(GLcontext * ctx, GLenum target, GLint level, 1750 GLint xoffset, GLint yoffset, GLint zoffset, 1751 GLint x, GLint y, GLsizei width, GLsizei height) 1752{ 1753 st_copy_texsubimage(ctx, target, level, 1754 xoffset, yoffset, zoffset, /* destX,Y,Z */ 1755 x, y, width, height); /* src X, Y, size */ 1756} 1757 1758 1759/** 1760 * Copy image data from stImage into the texture object 'stObj' at level 1761 * 'dstLevel'. 1762 */ 1763static void 1764copy_image_data_to_texture(struct st_context *st, 1765 struct st_texture_object *stObj, 1766 GLuint dstLevel, 1767 struct st_texture_image *stImage) 1768{ 1769 /* debug checks */ 1770 { 1771 const struct gl_texture_image *dstImage = 1772 stObj->base.Image[stImage->face][stImage->level]; 1773 assert(dstImage); 1774 assert(dstImage->Width == stImage->base.Width); 1775 assert(dstImage->Height == stImage->base.Height); 1776 assert(dstImage->Depth == stImage->base.Depth); 1777 } 1778 1779 if (stImage->pt) { 1780 /* Copy potentially with the blitter: 1781 */ 1782 st_texture_image_copy(st->pipe, 1783 stObj->pt, dstLevel, /* dest texture, level */ 1784 stImage->pt, /* src texture */ 1785 stImage->face); 1786 1787 pipe_resource_reference(&stImage->pt, NULL); 1788 } 1789 else if (stImage->base.Data) { 1790 /* More straightforward upload. 1791 */ 1792 st_teximage_flush_before_map(st, stObj->pt, stImage->face, dstLevel, 1793 PIPE_TRANSFER_WRITE); 1794 1795 st_texture_image_data(st, 1796 stObj->pt, 1797 stImage->face, 1798 dstLevel, 1799 stImage->base.Data, 1800 stImage->base.RowStride * 1801 util_format_get_blocksize(stObj->pt->format), 1802 stImage->base.RowStride * 1803 stImage->base.Height * 1804 util_format_get_blocksize(stObj->pt->format)); 1805 _mesa_align_free(stImage->base.Data); 1806 stImage->base.Data = NULL; 1807 } 1808 1809 pipe_resource_reference(&stImage->pt, stObj->pt); 1810} 1811 1812 1813/** 1814 * Called during state validation. When this function is finished, 1815 * the texture object should be ready for rendering. 1816 * \return GL_TRUE for success, GL_FALSE for failure (out of mem) 1817 */ 1818GLboolean 1819st_finalize_texture(GLcontext *ctx, 1820 struct pipe_context *pipe, 1821 struct gl_texture_object *tObj, 1822 GLboolean *needFlush) 1823{ 1824 struct st_context *st = st_context(ctx); 1825 struct st_texture_object *stObj = st_texture_object(tObj); 1826 const GLuint nr_faces = (stObj->base.Target == GL_TEXTURE_CUBE_MAP) ? 6 : 1; 1827 GLuint face; 1828 struct st_texture_image *firstImage; 1829 enum pipe_format firstImageFormat; 1830 1831 *needFlush = GL_FALSE; 1832 1833 if (stObj->base._Complete) { 1834 /* The texture is complete and we know exactly how many mipmap levels 1835 * are present/needed. This is conditional because we may be called 1836 * from the st_generate_mipmap() function when the texture object is 1837 * incomplete. In that case, we'll have set stObj->lastLevel before 1838 * we get here. 1839 */ 1840 if (stObj->base.MinFilter == GL_LINEAR || 1841 stObj->base.MinFilter == GL_NEAREST) 1842 stObj->lastLevel = stObj->base.BaseLevel; 1843 else 1844 stObj->lastLevel = stObj->base._MaxLevel; 1845 } 1846 1847 firstImage = st_texture_image(stObj->base.Image[0][stObj->base.BaseLevel]); 1848 assert(firstImage); 1849 1850 /* If both firstImage and stObj point to a texture which can contain 1851 * all active images, favour firstImage. Note that because of the 1852 * completeness requirement, we know that the image dimensions 1853 * will match. 1854 */ 1855 if (firstImage->pt && 1856 firstImage->pt != stObj->pt && 1857 firstImage->pt->last_level >= stObj->lastLevel) { 1858 pipe_resource_reference(&stObj->pt, firstImage->pt); 1859 pipe_sampler_view_reference(&stObj->sampler_view, NULL); 1860 } 1861 1862 /* Find gallium format for the Mesa texture */ 1863 firstImageFormat = st_mesa_format_to_pipe_format(firstImage->base.TexFormat); 1864 1865 /* If we already have a gallium texture, check that it matches the texture 1866 * object's format, target, size, num_levels, etc. 1867 */ 1868 if (stObj->pt) { 1869 if (stObj->pt->target != gl_target_to_pipe(stObj->base.Target) || 1870 stObj->pt->format != firstImageFormat || 1871 stObj->pt->last_level < stObj->lastLevel || 1872 stObj->pt->width0 != stObj->width0 || 1873 stObj->pt->height0 != stObj->height0 || 1874 stObj->pt->depth0 != stObj->depth0) 1875 { 1876 /* The gallium texture does not match the Mesa texture so delete the 1877 * gallium texture now. We'll make a new one below. 1878 */ 1879 pipe_resource_reference(&stObj->pt, NULL); 1880 pipe_sampler_view_reference(&stObj->sampler_view, NULL); 1881 st->dirty.st |= ST_NEW_FRAMEBUFFER; 1882 } 1883 } 1884 1885 /* May need to create a new gallium texture: 1886 */ 1887 if (!stObj->pt) { 1888 GLuint bindings = default_bindings(st, firstImageFormat); 1889 1890 stObj->pt = st_texture_create(st, 1891 gl_target_to_pipe(stObj->base.Target), 1892 firstImageFormat, 1893 stObj->lastLevel, 1894 stObj->width0, 1895 stObj->height0, 1896 stObj->depth0, 1897 bindings); 1898 1899 if (!stObj->pt) { 1900 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage"); 1901 return GL_FALSE; 1902 } 1903 } 1904 1905 /* Pull in any images not in the object's texture: 1906 */ 1907 for (face = 0; face < nr_faces; face++) { 1908 GLuint level; 1909 for (level = 0; level <= stObj->lastLevel; level++) { 1910 struct st_texture_image *stImage = 1911 st_texture_image(stObj->base.Image[face][level]); 1912 1913 /* Need to import images in main memory or held in other textures. 1914 */ 1915 if (stImage && stObj->pt != stImage->pt) { 1916 copy_image_data_to_texture(st, stObj, level, stImage); 1917 *needFlush = GL_TRUE; 1918 } 1919 } 1920 } 1921 1922 return GL_TRUE; 1923} 1924 1925 1926/** 1927 * Returns pointer to a default/dummy texture. 1928 * This is typically used when the current shader has tex/sample instructions 1929 * but the user has not provided a (any) texture(s). 1930 */ 1931struct gl_texture_object * 1932st_get_default_texture(struct st_context *st) 1933{ 1934 if (!st->default_texture) { 1935 static const GLenum target = GL_TEXTURE_2D; 1936 GLubyte pixels[16][16][4]; 1937 struct gl_texture_object *texObj; 1938 struct gl_texture_image *texImg; 1939 GLuint i, j; 1940 1941 /* The ARB_fragment_program spec says (0,0,0,1) should be returned 1942 * when attempting to sample incomplete textures. 1943 */ 1944 for (i = 0; i < 16; i++) { 1945 for (j = 0; j < 16; j++) { 1946 pixels[i][j][0] = 0; 1947 pixels[i][j][1] = 0; 1948 pixels[i][j][2] = 0; 1949 pixels[i][j][3] = 255; 1950 } 1951 } 1952 1953 texObj = st->ctx->Driver.NewTextureObject(st->ctx, 0, target); 1954 1955 texImg = _mesa_get_tex_image(st->ctx, texObj, target, 0); 1956 1957 _mesa_init_teximage_fields(st->ctx, target, texImg, 1958 16, 16, 1, 0, /* w, h, d, border */ 1959 GL_RGBA); 1960 1961 st_TexImage(st->ctx, 2, target, 1962 0, GL_RGBA, /* level, intformat */ 1963 16, 16, 1, 0, /* w, h, d, border */ 1964 GL_RGBA, GL_UNSIGNED_BYTE, pixels, 1965 &st->ctx->DefaultPacking, 1966 texObj, texImg, 1967 0, 0); 1968 1969 texObj->MinFilter = GL_NEAREST; 1970 texObj->MagFilter = GL_NEAREST; 1971 texObj->_Complete = GL_TRUE; 1972 1973 st->default_texture = texObj; 1974 } 1975 return st->default_texture; 1976} 1977 1978 1979void 1980st_init_texture_functions(struct dd_function_table *functions) 1981{ 1982 functions->ChooseTextureFormat = st_ChooseTextureFormat; 1983 functions->TexImage1D = st_TexImage1D; 1984 functions->TexImage2D = st_TexImage2D; 1985 functions->TexImage3D = st_TexImage3D; 1986 functions->TexSubImage1D = st_TexSubImage1D; 1987 functions->TexSubImage2D = st_TexSubImage2D; 1988 functions->TexSubImage3D = st_TexSubImage3D; 1989 functions->CompressedTexSubImage1D = st_CompressedTexSubImage1D; 1990 functions->CompressedTexSubImage2D = st_CompressedTexSubImage2D; 1991 functions->CompressedTexSubImage3D = st_CompressedTexSubImage3D; 1992 functions->CopyTexImage1D = st_CopyTexImage1D; 1993 functions->CopyTexImage2D = st_CopyTexImage2D; 1994 functions->CopyTexSubImage1D = st_CopyTexSubImage1D; 1995 functions->CopyTexSubImage2D = st_CopyTexSubImage2D; 1996 functions->CopyTexSubImage3D = st_CopyTexSubImage3D; 1997 functions->GenerateMipmap = st_generate_mipmap; 1998 1999 functions->GetTexImage = st_GetTexImage; 2000 2001 /* compressed texture functions */ 2002 functions->CompressedTexImage2D = st_CompressedTexImage2D; 2003 functions->GetCompressedTexImage = st_GetCompressedTexImage; 2004 2005 functions->NewTextureObject = st_NewTextureObject; 2006 functions->NewTextureImage = st_NewTextureImage; 2007 functions->DeleteTexture = st_DeleteTextureObject; 2008 functions->FreeTexImageData = st_FreeTextureImageData; 2009 functions->UpdateTexturePalette = 0; 2010 2011 functions->TextureMemCpy = do_memcpy; 2012 2013 /* XXX Temporary until we can query pipe's texture sizes */ 2014 functions->TestProxyTexImage = _mesa_test_proxy_teximage; 2015} 2016