st_cb_texture.c revision 9b04abe36812a34ba447e5b1f8d8e44a10510820
1/************************************************************************** 2 * 3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. 4 * All Rights Reserved. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sub license, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial portions 16 * of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR 22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25 * 26 **************************************************************************/ 27 28#include "main/mfeatures.h" 29#include "main/bufferobj.h" 30#include "main/enums.h" 31#include "main/fbobject.h" 32#include "main/formats.h" 33#include "main/image.h" 34#include "main/imports.h" 35#include "main/macros.h" 36#include "main/mipmap.h" 37#include "main/pack.h" 38#include "main/pbo.h" 39#include "main/pixeltransfer.h" 40#include "main/texcompress.h" 41#include "main/texgetimage.h" 42#include "main/teximage.h" 43#include "main/texobj.h" 44#include "main/texstore.h" 45 46#include "state_tracker/st_debug.h" 47#include "state_tracker/st_context.h" 48#include "state_tracker/st_cb_fbo.h" 49#include "state_tracker/st_cb_flush.h" 50#include "state_tracker/st_cb_texture.h" 51#include "state_tracker/st_format.h" 52#include "state_tracker/st_texture.h" 53#include "state_tracker/st_gen_mipmap.h" 54#include "state_tracker/st_atom.h" 55 56#include "pipe/p_context.h" 57#include "pipe/p_defines.h" 58#include "util/u_inlines.h" 59#include "pipe/p_shader_tokens.h" 60#include "util/u_tile.h" 61#include "util/u_blit.h" 62#include "util/u_format.h" 63#include "util/u_surface.h" 64#include "util/u_sampler.h" 65#include "util/u_math.h" 66#include "util/u_box.h" 67 68#define DBG if (0) printf 69 70 71static enum pipe_texture_target 72gl_target_to_pipe(GLenum target) 73{ 74 switch (target) { 75 case GL_TEXTURE_1D: 76 return PIPE_TEXTURE_1D; 77 case GL_TEXTURE_2D: 78 case GL_TEXTURE_EXTERNAL_OES: 79 return PIPE_TEXTURE_2D; 80 case GL_TEXTURE_RECTANGLE_NV: 81 return PIPE_TEXTURE_RECT; 82 case GL_TEXTURE_3D: 83 return PIPE_TEXTURE_3D; 84 case GL_TEXTURE_CUBE_MAP_ARB: 85 return PIPE_TEXTURE_CUBE; 86 case GL_TEXTURE_1D_ARRAY_EXT: 87 return PIPE_TEXTURE_1D_ARRAY; 88 case GL_TEXTURE_2D_ARRAY_EXT: 89 return PIPE_TEXTURE_2D_ARRAY; 90 case GL_TEXTURE_BUFFER: 91 return PIPE_BUFFER; 92 default: 93 assert(0); 94 return 0; 95 } 96} 97 98 99/** called via ctx->Driver.NewTextureImage() */ 100static struct gl_texture_image * 101st_NewTextureImage(struct gl_context * ctx) 102{ 103 DBG("%s\n", __FUNCTION__); 104 (void) ctx; 105 return (struct gl_texture_image *) ST_CALLOC_STRUCT(st_texture_image); 106} 107 108 109/** called via ctx->Driver.DeleteTextureImage() */ 110static void 111st_DeleteTextureImage(struct gl_context * ctx, struct gl_texture_image *img) 112{ 113 /* nothing special (yet) for st_texture_image */ 114 _mesa_delete_texture_image(ctx, img); 115} 116 117 118/** called via ctx->Driver.NewTextureObject() */ 119static struct gl_texture_object * 120st_NewTextureObject(struct gl_context * ctx, GLuint name, GLenum target) 121{ 122 struct st_texture_object *obj = ST_CALLOC_STRUCT(st_texture_object); 123 124 DBG("%s\n", __FUNCTION__); 125 _mesa_initialize_texture_object(&obj->base, name, target); 126 127 return &obj->base; 128} 129 130/** called via ctx->Driver.DeleteTextureObject() */ 131static void 132st_DeleteTextureObject(struct gl_context *ctx, 133 struct gl_texture_object *texObj) 134{ 135 struct st_context *st = st_context(ctx); 136 struct st_texture_object *stObj = st_texture_object(texObj); 137 if (stObj->pt) 138 pipe_resource_reference(&stObj->pt, NULL); 139 if (stObj->sampler_view) { 140 pipe_sampler_view_release(st->pipe, &stObj->sampler_view); 141 } 142 _mesa_delete_texture_object(ctx, texObj); 143} 144 145 146/** called via ctx->Driver.FreeTextureImageBuffer() */ 147static void 148st_FreeTextureImageBuffer(struct gl_context *ctx, 149 struct gl_texture_image *texImage) 150{ 151 struct st_texture_image *stImage = st_texture_image(texImage); 152 153 DBG("%s\n", __FUNCTION__); 154 155 if (stImage->pt) { 156 pipe_resource_reference(&stImage->pt, NULL); 157 } 158 159 if (stImage->TexData) { 160 _mesa_align_free(stImage->TexData); 161 stImage->TexData = NULL; 162 } 163} 164 165 166/** called via ctx->Driver.MapTextureImage() */ 167static void 168st_MapTextureImage(struct gl_context *ctx, 169 struct gl_texture_image *texImage, 170 GLuint slice, GLuint x, GLuint y, GLuint w, GLuint h, 171 GLbitfield mode, 172 GLubyte **mapOut, GLint *rowStrideOut) 173{ 174 struct st_context *st = st_context(ctx); 175 struct st_texture_image *stImage = st_texture_image(texImage); 176 unsigned pipeMode; 177 GLubyte *map; 178 179 pipeMode = 0x0; 180 if (mode & GL_MAP_READ_BIT) 181 pipeMode |= PIPE_TRANSFER_READ; 182 if (mode & GL_MAP_WRITE_BIT) 183 pipeMode |= PIPE_TRANSFER_WRITE; 184 if (mode & GL_MAP_INVALIDATE_RANGE_BIT) 185 pipeMode |= PIPE_TRANSFER_DISCARD_RANGE; 186 187 map = st_texture_image_map(st, stImage, slice, pipeMode, x, y, w, h); 188 if (map) { 189 *mapOut = map; 190 *rowStrideOut = stImage->transfer->stride; 191 } 192 else { 193 *mapOut = NULL; 194 *rowStrideOut = 0; 195 } 196} 197 198 199/** called via ctx->Driver.UnmapTextureImage() */ 200static void 201st_UnmapTextureImage(struct gl_context *ctx, 202 struct gl_texture_image *texImage, 203 GLuint slice) 204{ 205 struct st_context *st = st_context(ctx); 206 struct st_texture_image *stImage = st_texture_image(texImage); 207 st_texture_image_unmap(st, stImage); 208} 209 210 211/** 212 * Return default texture resource binding bitmask for the given format. 213 */ 214static GLuint 215default_bindings(struct st_context *st, enum pipe_format format) 216{ 217 struct pipe_screen *screen = st->pipe->screen; 218 const unsigned target = PIPE_TEXTURE_2D; 219 unsigned bindings; 220 221 if (util_format_is_depth_or_stencil(format)) 222 bindings = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_DEPTH_STENCIL; 223 else 224 bindings = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET; 225 226 if (screen->is_format_supported(screen, format, target, 0, bindings)) 227 return bindings; 228 else { 229 /* Try non-sRGB. */ 230 format = util_format_linear(format); 231 232 if (screen->is_format_supported(screen, format, target, 0, bindings)) 233 return bindings; 234 else 235 return PIPE_BIND_SAMPLER_VIEW; 236 } 237} 238 239 240/** Return number of image dimensions (1, 2 or 3) for a texture target. */ 241static GLuint 242get_texture_dims(GLenum target) 243{ 244 switch (target) { 245 case GL_TEXTURE_1D: 246 case GL_TEXTURE_1D_ARRAY_EXT: 247 case GL_TEXTURE_BUFFER: 248 return 1; 249 case GL_TEXTURE_2D: 250 case GL_TEXTURE_CUBE_MAP_ARB: 251 case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB: 252 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB: 253 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB: 254 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB: 255 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB: 256 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB: 257 case GL_TEXTURE_RECTANGLE_NV: 258 case GL_TEXTURE_2D_ARRAY_EXT: 259 case GL_TEXTURE_EXTERNAL_OES: 260 return 2; 261 case GL_TEXTURE_3D: 262 return 3; 263 default: 264 assert(0 && "invalid texture target in get_texture_dims()"); 265 return 1; 266 } 267} 268 269 270/** 271 * Given the size of a mipmap image, try to compute the size of the level=0 272 * mipmap image. 273 * 274 * Note that this isn't always accurate for odd-sized, non-POW textures. 275 * For example, if level=1 and width=40 then the level=0 width may be 80 or 81. 276 * 277 * \return GL_TRUE for success, GL_FALSE for failure 278 */ 279static GLboolean 280guess_base_level_size(GLenum target, 281 GLuint width, GLuint height, GLuint depth, GLuint level, 282 GLuint *width0, GLuint *height0, GLuint *depth0) 283{ 284 const GLuint dims = get_texture_dims(target); 285 286 assert(width >= 1); 287 assert(height >= 1); 288 assert(depth >= 1); 289 290 if (level > 0) { 291 /* Depending on the image's size, we can't always make a guess here */ 292 if ((dims >= 1 && width == 1) || 293 (dims >= 2 && height == 1) || 294 (dims >= 3 && depth == 1)) { 295 /* we can't determine the image size at level=0 */ 296 return GL_FALSE; 297 } 298 299 /* grow the image size until we hit level = 0 */ 300 while (level > 0) { 301 if (width > 1) 302 width <<= 1; 303 if (height > 1) 304 height <<= 1; 305 if (depth > 1) 306 depth <<= 1; 307 level--; 308 } 309 } 310 311 *width0 = width; 312 *height0 = height; 313 *depth0 = depth; 314 315 return GL_TRUE; 316} 317 318 319/** 320 * Try to allocate a pipe_resource object for the given st_texture_object. 321 * 322 * We use the given st_texture_image as a clue to determine the size of the 323 * mipmap image at level=0. 324 * 325 * \return GL_TRUE for success, GL_FALSE if out of memory. 326 */ 327static GLboolean 328guess_and_alloc_texture(struct st_context *st, 329 struct st_texture_object *stObj, 330 const struct st_texture_image *stImage) 331{ 332 GLuint lastLevel, width, height, depth; 333 GLuint bindings; 334 GLuint ptWidth, ptHeight, ptDepth, ptLayers; 335 enum pipe_format fmt; 336 337 DBG("%s\n", __FUNCTION__); 338 339 assert(!stObj->pt); 340 341 if (!guess_base_level_size(stObj->base.Target, 342 stImage->base.Width2, 343 stImage->base.Height2, 344 stImage->base.Depth2, 345 stImage->base.Level, 346 &width, &height, &depth)) { 347 /* we can't determine the image size at level=0 */ 348 stObj->width0 = stObj->height0 = stObj->depth0 = 0; 349 /* this is not an out of memory error */ 350 return GL_TRUE; 351 } 352 353 /* At this point, (width x height x depth) is the expected size of 354 * the level=0 mipmap image. 355 */ 356 357 /* Guess a reasonable value for lastLevel. With OpenGL we have no 358 * idea how many mipmap levels will be in a texture until we start 359 * to render with it. Make an educated guess here but be prepared 360 * to re-allocating a texture buffer with space for more (or fewer) 361 * mipmap levels later. 362 */ 363 if ((stObj->base.Sampler.MinFilter == GL_NEAREST || 364 stObj->base.Sampler.MinFilter == GL_LINEAR || 365 stImage->base._BaseFormat == GL_DEPTH_COMPONENT || 366 stImage->base._BaseFormat == GL_DEPTH_STENCIL_EXT) && 367 !stObj->base.GenerateMipmap && 368 stImage->base.Level == 0) { 369 /* only alloc space for a single mipmap level */ 370 lastLevel = 0; 371 } 372 else { 373 /* alloc space for a full mipmap */ 374 GLuint l2width = util_logbase2(width); 375 GLuint l2height = util_logbase2(height); 376 GLuint l2depth = util_logbase2(depth); 377 lastLevel = MAX2(MAX2(l2width, l2height), l2depth); 378 } 379 380 /* Save the level=0 dimensions */ 381 stObj->width0 = width; 382 stObj->height0 = height; 383 stObj->depth0 = depth; 384 385 fmt = st_mesa_format_to_pipe_format(stImage->base.TexFormat); 386 387 bindings = default_bindings(st, fmt); 388 389 st_gl_texture_dims_to_pipe_dims(stObj->base.Target, 390 width, height, depth, 391 &ptWidth, &ptHeight, &ptDepth, &ptLayers); 392 393 stObj->pt = st_texture_create(st, 394 gl_target_to_pipe(stObj->base.Target), 395 fmt, 396 lastLevel, 397 ptWidth, 398 ptHeight, 399 ptDepth, 400 ptLayers, 401 bindings); 402 403 stObj->lastLevel = lastLevel; 404 405 DBG("%s returning %d\n", __FUNCTION__, (stObj->pt != NULL)); 406 407 return stObj->pt != NULL; 408} 409 410 411/** 412 * Called via ctx->Driver.AllocTextureImageBuffer(). 413 * If the texture object/buffer already has space for the indicated image, 414 * we're done. Otherwise, allocate memory for the new texture image. 415 */ 416static GLboolean 417st_AllocTextureImageBuffer(struct gl_context *ctx, 418 struct gl_texture_image *texImage, 419 gl_format format, GLsizei width, 420 GLsizei height, GLsizei depth) 421{ 422 struct st_context *st = st_context(ctx); 423 struct st_texture_image *stImage = st_texture_image(texImage); 424 struct st_texture_object *stObj = st_texture_object(texImage->TexObject); 425 const GLuint level = texImage->Level; 426 427 DBG("%s\n", __FUNCTION__); 428 429 assert(width > 0); 430 assert(height > 0); 431 assert(depth > 0); 432 assert(!stImage->TexData); 433 assert(!stImage->pt); /* xxx this might be wrong */ 434 435 /* Look if the parent texture object has space for this image */ 436 if (stObj->pt && 437 level <= stObj->pt->last_level && 438 st_texture_match_image(stObj->pt, texImage)) { 439 /* this image will fit in the existing texture object's memory */ 440 pipe_resource_reference(&stImage->pt, stObj->pt); 441 return GL_TRUE; 442 } 443 444 /* The parent texture object does not have space for this image */ 445 446 pipe_resource_reference(&stObj->pt, NULL); 447 pipe_sampler_view_release(st->pipe, &stObj->sampler_view); 448 449 if (!guess_and_alloc_texture(st, stObj, stImage)) { 450 /* Probably out of memory. 451 * Try flushing any pending rendering, then retry. 452 */ 453 st_finish(st); 454 if (!guess_and_alloc_texture(st, stObj, stImage)) { 455 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage"); 456 return GL_FALSE; 457 } 458 } 459 460 if (stObj->pt && 461 st_texture_match_image(stObj->pt, texImage)) { 462 /* The image will live in the object's mipmap memory */ 463 pipe_resource_reference(&stImage->pt, stObj->pt); 464 assert(stImage->pt); 465 return GL_TRUE; 466 } 467 else { 468 /* Create a new, temporary texture/resource/buffer to hold this 469 * one texture image. Note that when we later access this image 470 * (either for mapping or copying) we'll want to always specify 471 * mipmap level=0, even if the image represents some other mipmap 472 * level. 473 */ 474 enum pipe_format format = 475 st_mesa_format_to_pipe_format(texImage->TexFormat); 476 GLuint bindings = default_bindings(st, format); 477 GLuint ptWidth, ptHeight, ptDepth, ptLayers; 478 479 st_gl_texture_dims_to_pipe_dims(stObj->base.Target, 480 width, height, depth, 481 &ptWidth, &ptHeight, &ptDepth, &ptLayers); 482 483 stImage->pt = st_texture_create(st, 484 gl_target_to_pipe(stObj->base.Target), 485 format, 486 0, /* lastLevel */ 487 ptWidth, 488 ptHeight, 489 ptDepth, 490 ptLayers, 491 bindings); 492 return stImage->pt != NULL; 493 } 494} 495 496 497/** 498 * Preparation prior to glTexImage. Basically check the 'surface_based' 499 * field and switch to a "normal" tex image if necessary. 500 */ 501static void 502prep_teximage(struct gl_context *ctx, struct gl_texture_image *texImage, 503 GLint internalFormat, 504 GLint width, GLint height, GLint depth, GLint border, 505 GLenum format, GLenum type) 506{ 507 struct gl_texture_object *texObj = texImage->TexObject; 508 struct st_texture_object *stObj = st_texture_object(texObj); 509 510 /* switch to "normal" */ 511 if (stObj->surface_based) { 512 const GLenum target = texObj->Target; 513 const GLuint level = texImage->Level; 514 gl_format texFormat; 515 516 _mesa_clear_texture_object(ctx, texObj); 517 pipe_resource_reference(&stObj->pt, NULL); 518 519 /* oops, need to init this image again */ 520 texFormat = _mesa_choose_texture_format(ctx, texObj, target, level, 521 internalFormat, format, type); 522 523 _mesa_init_teximage_fields(ctx, texImage, 524 width, height, depth, border, 525 internalFormat, texFormat); 526 527 stObj->surface_based = GL_FALSE; 528 } 529} 530 531 532static void 533st_TexImage(struct gl_context * ctx, GLuint dims, 534 struct gl_texture_image *texImage, 535 GLint internalFormat, 536 GLint width, GLint height, GLint depth, GLint border, 537 GLenum format, GLenum type, const void *pixels, 538 const struct gl_pixelstore_attrib *unpack) 539{ 540 prep_teximage(ctx, texImage, internalFormat, width, height, depth, border, 541 format, type); 542 _mesa_store_teximage(ctx, dims, texImage, internalFormat, width, height, depth, 543 border, format, type, pixels, unpack); 544} 545 546 547static void 548st_CompressedTexImage(struct gl_context *ctx, GLuint dims, 549 struct gl_texture_image *texImage, 550 GLint internalFormat, 551 GLint width, GLint height, GLint border, GLint depth, 552 GLsizei imageSize, const GLvoid *data) 553{ 554 prep_teximage(ctx, texImage, internalFormat, width, height, depth, border, 555 GL_NONE, GL_NONE); 556 _mesa_store_compressed_teximage(ctx, dims, texImage, internalFormat, width, 557 height, depth, border, imageSize, data); 558} 559 560 561 562/** 563 * glGetTexImage() helper: decompress a compressed texture by rendering 564 * a textured quad. Store the results in the user's buffer. 565 */ 566static void 567decompress_with_blit(struct gl_context * ctx, 568 GLenum format, GLenum type, GLvoid *pixels, 569 struct gl_texture_image *texImage) 570{ 571 struct st_context *st = st_context(ctx); 572 struct pipe_context *pipe = st->pipe; 573 struct st_texture_image *stImage = st_texture_image(texImage); 574 struct st_texture_object *stObj = st_texture_object(texImage->TexObject); 575 struct pipe_sampler_view *src_view; 576 const GLuint width = texImage->Width; 577 const GLuint height = texImage->Height; 578 struct pipe_surface *dst_surface; 579 struct pipe_resource *dst_texture; 580 struct pipe_transfer *tex_xfer; 581 unsigned bind = (PIPE_BIND_RENDER_TARGET | /* util_blit may choose to render */ 582 PIPE_BIND_TRANSFER_READ); 583 584 /* create temp / dest surface */ 585 if (!util_create_rgba_surface(pipe, width, height, bind, 586 &dst_texture, &dst_surface)) { 587 _mesa_problem(ctx, "util_create_rgba_surface() failed " 588 "in decompress_with_blit()"); 589 return; 590 } 591 592 /* Disable conditional rendering. */ 593 if (st->render_condition) { 594 pipe->render_condition(pipe, NULL, 0); 595 } 596 597 /* Create sampler view that limits fetches to the source mipmap level */ 598 { 599 struct pipe_sampler_view sv_temp; 600 601 u_sampler_view_default_template(&sv_temp, stObj->pt, stObj->pt->format); 602 603 sv_temp.format = util_format_linear(sv_temp.format); 604 sv_temp.u.tex.first_level = 605 sv_temp.u.tex.last_level = texImage->Level; 606 607 src_view = pipe->create_sampler_view(pipe, stObj->pt, &sv_temp); 608 if (!src_view) { 609 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glGetTexImage"); 610 return; 611 } 612 } 613 614 /* blit/render/decompress */ 615 util_blit_pixels_tex(st->blit, 616 src_view, /* pipe_resource (src) */ 617 0, 0, /* src x0, y0 */ 618 width, height, /* src x1, y1 */ 619 dst_surface, /* pipe_surface (dst) */ 620 0, 0, /* dst x0, y0 */ 621 width, height, /* dst x1, y1 */ 622 0.0, /* z */ 623 PIPE_TEX_MIPFILTER_NEAREST); 624 625 /* Restore conditional rendering state. */ 626 if (st->render_condition) { 627 pipe->render_condition(pipe, st->render_condition, 628 st->condition_mode); 629 } 630 631 /* map the dst_surface so we can read from it */ 632 tex_xfer = pipe_get_transfer(pipe, 633 dst_texture, 0, 0, 634 PIPE_TRANSFER_READ, 635 0, 0, width, height); 636 637 pixels = _mesa_map_pbo_dest(ctx, &ctx->Pack, pixels); 638 639 /* copy/pack data into user buffer */ 640 if (_mesa_format_matches_format_and_type(stImage->base.TexFormat, 641 format, type, 642 ctx->Pack.SwapBytes)) { 643 /* memcpy */ 644 const uint bytesPerRow = width * util_format_get_blocksize(stImage->pt->format); 645 ubyte *map = pipe_transfer_map(pipe, tex_xfer); 646 GLuint row; 647 for (row = 0; row < height; row++) { 648 GLvoid *dest = _mesa_image_address2d(&ctx->Pack, pixels, width, 649 height, format, type, row, 0); 650 memcpy(dest, map, bytesPerRow); 651 map += tex_xfer->stride; 652 } 653 pipe_transfer_unmap(pipe, tex_xfer); 654 } 655 else { 656 /* format translation via floats */ 657 GLuint row; 658 enum pipe_format pformat = util_format_linear(dst_texture->format); 659 GLfloat *rgba; 660 661 rgba = (GLfloat *) malloc(width * 4 * sizeof(GLfloat)); 662 if (!rgba) { 663 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glGetTexImage()"); 664 goto end; 665 } 666 667 for (row = 0; row < height; row++) { 668 const GLbitfield transferOps = 0x0; /* bypassed for glGetTexImage() */ 669 GLvoid *dest = _mesa_image_address2d(&ctx->Pack, pixels, width, 670 height, format, type, row, 0); 671 672 if (ST_DEBUG & DEBUG_FALLBACK) 673 debug_printf("%s: fallback format translation\n", __FUNCTION__); 674 675 /* get float[4] rgba row from surface */ 676 pipe_get_tile_rgba_format(pipe, tex_xfer, 0, row, width, 1, 677 pformat, rgba); 678 679 _mesa_pack_rgba_span_float(ctx, width, (GLfloat (*)[4]) rgba, format, 680 type, dest, &ctx->Pack, transferOps); 681 } 682 683 free(rgba); 684 } 685 686end: 687 _mesa_unmap_pbo_dest(ctx, &ctx->Pack); 688 689 pipe->transfer_destroy(pipe, tex_xfer); 690 691 /* destroy the temp / dest surface */ 692 util_destroy_rgba_surface(dst_texture, dst_surface); 693 694 pipe_sampler_view_release(pipe, &src_view); 695} 696 697 698 699/** 700 * Called via ctx->Driver.GetTexImage() 701 */ 702static void 703st_GetTexImage(struct gl_context * ctx, 704 GLenum format, GLenum type, GLvoid * pixels, 705 struct gl_texture_image *texImage) 706{ 707 struct st_texture_image *stImage = st_texture_image(texImage); 708 709 if (stImage->pt && util_format_is_s3tc(stImage->pt->format)) { 710 /* Need to decompress the texture. 711 * We'll do this by rendering a textured quad (which is hopefully 712 * faster than using the fallback code in texcompress.c). 713 * Note that we only expect RGBA formats (no Z/depth formats). 714 */ 715 decompress_with_blit(ctx, format, type, pixels, texImage); 716 } 717 else { 718 _mesa_get_teximage(ctx, format, type, pixels, texImage); 719 } 720} 721 722 723/** 724 * Do a CopyTexSubImage operation using a read transfer from the source, 725 * a write transfer to the destination and get_tile()/put_tile() to access 726 * the pixels/texels. 727 * 728 * Note: srcY=0=TOP of renderbuffer 729 */ 730static void 731fallback_copy_texsubimage(struct gl_context *ctx, 732 struct st_renderbuffer *strb, 733 struct st_texture_image *stImage, 734 GLenum baseFormat, 735 GLint destX, GLint destY, GLint destZ, 736 GLint srcX, GLint srcY, 737 GLsizei width, GLsizei height) 738{ 739 struct st_context *st = st_context(ctx); 740 struct pipe_context *pipe = st->pipe; 741 struct pipe_transfer *src_trans; 742 GLvoid *texDest; 743 enum pipe_transfer_usage transfer_usage; 744 745 if (ST_DEBUG & DEBUG_FALLBACK) 746 debug_printf("%s: fallback processing\n", __FUNCTION__); 747 748 if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) { 749 srcY = strb->Base.Height - srcY - height; 750 } 751 752 src_trans = pipe_get_transfer(pipe, 753 strb->texture, 754 strb->rtt_level, 755 strb->rtt_face + strb->rtt_slice, 756 PIPE_TRANSFER_READ, 757 srcX, srcY, 758 width, height); 759 760 if ((baseFormat == GL_DEPTH_COMPONENT || 761 baseFormat == GL_DEPTH_STENCIL) && 762 util_format_is_depth_and_stencil(stImage->pt->format)) 763 transfer_usage = PIPE_TRANSFER_READ_WRITE; 764 else 765 transfer_usage = PIPE_TRANSFER_WRITE; 766 767 /* XXX this used to ignore destZ param */ 768 texDest = st_texture_image_map(st, stImage, destZ, transfer_usage, 769 destX, destY, width, height); 770 771 if (baseFormat == GL_DEPTH_COMPONENT || 772 baseFormat == GL_DEPTH_STENCIL) { 773 const GLboolean scaleOrBias = (ctx->Pixel.DepthScale != 1.0F || 774 ctx->Pixel.DepthBias != 0.0F); 775 GLint row, yStep; 776 uint *data; 777 778 /* determine bottom-to-top vs. top-to-bottom order for src buffer */ 779 if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) { 780 srcY = height - 1; 781 yStep = -1; 782 } 783 else { 784 srcY = 0; 785 yStep = 1; 786 } 787 788 data = (uint *) malloc(width * sizeof(uint)); 789 790 if (data) { 791 /* To avoid a large temp memory allocation, do copy row by row */ 792 for (row = 0; row < height; row++, srcY += yStep) { 793 pipe_get_tile_z(pipe, src_trans, 0, srcY, width, 1, data); 794 if (scaleOrBias) { 795 _mesa_scale_and_bias_depth_uint(ctx, width, data); 796 } 797 pipe_put_tile_z(pipe, stImage->transfer, 0, row, width, 1, data); 798 } 799 } 800 else { 801 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexSubImage()"); 802 } 803 804 free(data); 805 } 806 else { 807 /* RGBA format */ 808 GLfloat *tempSrc = 809 (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat)); 810 811 if (tempSrc && texDest) { 812 const GLint dims = 2; 813 const GLint dstRowStride = stImage->transfer->stride; 814 struct gl_texture_image *texImage = &stImage->base; 815 struct gl_pixelstore_attrib unpack = ctx->DefaultPacking; 816 817 if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) { 818 unpack.Invert = GL_TRUE; 819 } 820 821 /* get float/RGBA image from framebuffer */ 822 /* XXX this usually involves a lot of int/float conversion. 823 * try to avoid that someday. 824 */ 825 pipe_get_tile_rgba_format(pipe, src_trans, 0, 0, width, height, 826 util_format_linear(strb->texture->format), 827 tempSrc); 828 829 /* Store into texture memory. 830 * Note that this does some special things such as pixel transfer 831 * ops and format conversion. In particular, if the dest tex format 832 * is actually RGBA but the user created the texture as GL_RGB we 833 * need to fill-in/override the alpha channel with 1.0. 834 */ 835 _mesa_texstore(ctx, dims, 836 texImage->_BaseFormat, 837 texImage->TexFormat, 838 dstRowStride, 839 (GLubyte **) &texDest, 840 width, height, 1, 841 GL_RGBA, GL_FLOAT, tempSrc, /* src */ 842 &unpack); 843 } 844 else { 845 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage"); 846 } 847 848 if (tempSrc) 849 free(tempSrc); 850 } 851 852 st_texture_image_unmap(st, stImage); 853 pipe->transfer_destroy(pipe, src_trans); 854} 855 856 857 858/** 859 * If the format of the src renderbuffer and the format of the dest 860 * texture are compatible (in terms of blitting), return a TGSI writemask 861 * to be used during the blit. 862 * If the src/dest are incompatible, return 0. 863 */ 864static unsigned 865compatible_src_dst_formats(struct gl_context *ctx, 866 const struct gl_renderbuffer *src, 867 const struct gl_texture_image *dst) 868{ 869 /* Get logical base formats for the src and dest. 870 * That is, use the user-requested formats and not the actual, device- 871 * chosen formats. 872 * For example, the user may have requested an A8 texture but the 873 * driver may actually be using an RGBA texture format. When we 874 * copy/blit to that texture, we only want to copy the Alpha channel 875 * and not the RGB channels. 876 * 877 * Similarly, when the src FBO was created an RGB format may have been 878 * requested but the driver actually chose an RGBA format. In that case, 879 * we don't want to copy the undefined Alpha channel to the dest texture 880 * (it should be 1.0). 881 */ 882 const GLenum srcFormat = _mesa_base_fbo_format(ctx, src->InternalFormat); 883 const GLenum dstFormat = _mesa_base_tex_format(ctx, dst->InternalFormat); 884 885 /** 886 * XXX when we have red-only and red/green renderbuffers we'll need 887 * to add more cases here (or implement a general-purpose routine that 888 * queries the existance of the R,G,B,A channels in the src and dest). 889 */ 890 if (srcFormat == dstFormat) { 891 /* This is the same as matching_base_formats, which should 892 * always pass, as it did previously. 893 */ 894 return TGSI_WRITEMASK_XYZW; 895 } 896 else if (srcFormat == GL_RGB && dstFormat == GL_RGBA) { 897 /* Make sure that A in the dest is 1. The actual src format 898 * may be RGBA and have undefined A values. 899 */ 900 return TGSI_WRITEMASK_XYZ; 901 } 902 else if (srcFormat == GL_RGBA && dstFormat == GL_RGB) { 903 /* Make sure that A in the dest is 1. The actual dst format 904 * may be RGBA and will need A=1 to provide proper alpha values 905 * when sampled later. 906 */ 907 return TGSI_WRITEMASK_XYZ; 908 } 909 else { 910 if (ST_DEBUG & DEBUG_FALLBACK) 911 debug_printf("%s failed for src %s, dst %s\n", 912 __FUNCTION__, 913 _mesa_lookup_enum_by_nr(srcFormat), 914 _mesa_lookup_enum_by_nr(dstFormat)); 915 916 /* Otherwise fail. 917 */ 918 return 0; 919 } 920} 921 922 923 924/** 925 * Do a CopyTex[Sub]Image1/2/3D() using a hardware (blit) path if possible. 926 * Note that the region to copy has already been clipped so we know we 927 * won't read from outside the source renderbuffer's bounds. 928 * 929 * Note: srcY=0=Bottom of renderbuffer (GL convention) 930 */ 931static void 932st_CopyTexSubImage(struct gl_context *ctx, GLuint dims, 933 struct gl_texture_image *texImage, 934 GLint destX, GLint destY, GLint destZ, 935 struct gl_renderbuffer *rb, 936 GLint srcX, GLint srcY, GLsizei width, GLsizei height) 937{ 938 struct st_texture_image *stImage = st_texture_image(texImage); 939 const GLenum texBaseFormat = texImage->_BaseFormat; 940 struct gl_framebuffer *fb = ctx->ReadBuffer; 941 struct st_renderbuffer *strb; 942 struct st_context *st = st_context(ctx); 943 struct pipe_context *pipe = st->pipe; 944 struct pipe_screen *screen = pipe->screen; 945 enum pipe_format dest_format, src_format; 946 GLboolean matching_base_formats; 947 GLuint color_writemask, zs_writemask, sample_count; 948 struct pipe_surface *dest_surface = NULL; 949 GLboolean do_flip = (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP); 950 struct pipe_surface surf_tmpl; 951 unsigned int dst_usage; 952 GLint srcY0, srcY1; 953 954 /* make sure finalize_textures has been called? 955 */ 956 if (0) st_validate_state(st); 957 958 /* determine if copying depth or color data */ 959 if (texBaseFormat == GL_DEPTH_COMPONENT || 960 texBaseFormat == GL_DEPTH_STENCIL) { 961 strb = st_renderbuffer(fb->Attachment[BUFFER_DEPTH].Renderbuffer); 962 } 963 else { 964 /* texBaseFormat == GL_RGB, GL_RGBA, GL_ALPHA, etc */ 965 strb = st_renderbuffer(fb->_ColorReadBuffer); 966 } 967 968 if (!strb || !strb->surface || !stImage->pt) { 969 debug_printf("%s: null strb or stImage\n", __FUNCTION__); 970 return; 971 } 972 973 sample_count = strb->surface->texture->nr_samples; 974 /* I believe this would be legal, presumably would need to do a resolve 975 for color, and for depth/stencil spec says to just use one of the 976 depth/stencil samples per pixel? Need some transfer clarifications. */ 977 assert(sample_count < 2); 978 979 assert(strb); 980 assert(strb->surface); 981 assert(stImage->pt); 982 983 src_format = strb->surface->format; 984 dest_format = stImage->pt->format; 985 986 /* 987 * Determine if the src framebuffer and dest texture have the same 988 * base format. We need this to detect a case such as the framebuffer 989 * being GL_RGBA but the texture being GL_RGB. If the actual hardware 990 * texture format stores RGBA we need to set A=1 (overriding the 991 * framebuffer's alpha values). We can't do that with the blit or 992 * textured-quad paths. 993 */ 994 matching_base_formats = 995 (_mesa_get_format_base_format(strb->Base.Format) == 996 _mesa_get_format_base_format(texImage->TexFormat)); 997 998 if (ctx->_ImageTransferState) { 999 goto fallback; 1000 } 1001 1002 if (matching_base_formats && 1003 src_format == dest_format && 1004 !do_flip) { 1005 /* use surface_copy() / blit */ 1006 struct pipe_box src_box; 1007 unsigned dstLevel; 1008 1009 u_box_2d_zslice(srcX, srcY, strb->surface->u.tex.first_layer, 1010 width, height, &src_box); 1011 1012 /* If stImage->pt is an independent image (not a pointer into a full 1013 * mipmap) stImage->pt.last_level will be zero and we need to use that 1014 * as the dest level. 1015 */ 1016 dstLevel = MIN2(stImage->base.Level, stImage->pt->last_level); 1017 1018 /* for resource_copy_region(), y=0=top, always */ 1019 pipe->resource_copy_region(pipe, 1020 /* dest */ 1021 stImage->pt, 1022 dstLevel, 1023 destX, destY, destZ + stImage->base.Face, 1024 /* src */ 1025 strb->texture, 1026 strb->surface->u.tex.level, 1027 &src_box); 1028 return; 1029 } 1030 1031 if (texBaseFormat == GL_DEPTH_STENCIL) { 1032 goto fallback; 1033 } 1034 1035 if (texBaseFormat == GL_DEPTH_COMPONENT) { 1036 color_writemask = 0; 1037 zs_writemask = BLIT_WRITEMASK_Z; 1038 dst_usage = PIPE_BIND_DEPTH_STENCIL; 1039 } 1040 else { 1041 color_writemask = compatible_src_dst_formats(ctx, &strb->Base, texImage); 1042 zs_writemask = 0; 1043 dst_usage = PIPE_BIND_RENDER_TARGET; 1044 } 1045 1046 if ((!color_writemask && !zs_writemask) || 1047 !screen->is_format_supported(screen, src_format, 1048 PIPE_TEXTURE_2D, sample_count, 1049 PIPE_BIND_SAMPLER_VIEW) || 1050 !screen->is_format_supported(screen, dest_format, 1051 PIPE_TEXTURE_2D, 0, 1052 dst_usage)) { 1053 goto fallback; 1054 } 1055 1056 if (do_flip) { 1057 srcY1 = strb->Base.Height - srcY - height; 1058 srcY0 = srcY1 + height; 1059 } 1060 else { 1061 srcY0 = srcY; 1062 srcY1 = srcY0 + height; 1063 } 1064 1065 /* Disable conditional rendering. */ 1066 if (st->render_condition) { 1067 pipe->render_condition(pipe, NULL, 0); 1068 } 1069 1070 memset(&surf_tmpl, 0, sizeof(surf_tmpl)); 1071 surf_tmpl.format = util_format_linear(stImage->pt->format); 1072 surf_tmpl.usage = dst_usage; 1073 surf_tmpl.u.tex.level = stImage->base.Level; 1074 surf_tmpl.u.tex.first_layer = stImage->base.Face + destZ; 1075 surf_tmpl.u.tex.last_layer = stImage->base.Face + destZ; 1076 1077 dest_surface = pipe->create_surface(pipe, stImage->pt, 1078 &surf_tmpl); 1079 util_blit_pixels(st->blit, 1080 strb->texture, 1081 strb->surface->u.tex.level, 1082 srcX, srcY0, 1083 srcX + width, srcY1, 1084 strb->surface->u.tex.first_layer, 1085 dest_surface, 1086 destX, destY, 1087 destX + width, destY + height, 1088 0.0, PIPE_TEX_MIPFILTER_NEAREST, 1089 color_writemask, zs_writemask); 1090 pipe_surface_reference(&dest_surface, NULL); 1091 1092 /* Restore conditional rendering state. */ 1093 if (st->render_condition) { 1094 pipe->render_condition(pipe, st->render_condition, 1095 st->condition_mode); 1096 } 1097 1098 return; 1099 1100fallback: 1101 /* software fallback */ 1102 fallback_copy_texsubimage(ctx, 1103 strb, stImage, texBaseFormat, 1104 destX, destY, destZ, 1105 srcX, srcY, width, height); 1106} 1107 1108 1109/** 1110 * Copy image data from stImage into the texture object 'stObj' at level 1111 * 'dstLevel'. 1112 */ 1113static void 1114copy_image_data_to_texture(struct st_context *st, 1115 struct st_texture_object *stObj, 1116 GLuint dstLevel, 1117 struct st_texture_image *stImage) 1118{ 1119 /* debug checks */ 1120 { 1121 const struct gl_texture_image *dstImage = 1122 stObj->base.Image[stImage->base.Face][dstLevel]; 1123 assert(dstImage); 1124 assert(dstImage->Width == stImage->base.Width); 1125 assert(dstImage->Height == stImage->base.Height); 1126 assert(dstImage->Depth == stImage->base.Depth); 1127 } 1128 1129 if (stImage->pt) { 1130 /* Copy potentially with the blitter: 1131 */ 1132 GLuint src_level; 1133 if (stImage->pt != stObj->pt) 1134 src_level = 0; 1135 else 1136 src_level = stImage->base.Level; 1137 1138 st_texture_image_copy(st->pipe, 1139 stObj->pt, dstLevel, /* dest texture, level */ 1140 stImage->pt, src_level, /* src texture, level */ 1141 stImage->base.Face); 1142 1143 pipe_resource_reference(&stImage->pt, NULL); 1144 } 1145 else if (stImage->TexData) { 1146 /* Copy from malloc'd memory */ 1147 /* XXX this should be re-examined/tested with a compressed format */ 1148 GLuint blockSize = util_format_get_blocksize(stObj->pt->format); 1149 GLuint srcRowStride = stImage->base.Width * blockSize; 1150 GLuint srcSliceStride = stImage->base.Height * srcRowStride; 1151 st_texture_image_data(st, 1152 stObj->pt, 1153 stImage->base.Face, 1154 dstLevel, 1155 stImage->TexData, 1156 srcRowStride, 1157 srcSliceStride); 1158 _mesa_align_free(stImage->TexData); 1159 stImage->TexData = NULL; 1160 } 1161 1162 pipe_resource_reference(&stImage->pt, stObj->pt); 1163} 1164 1165 1166/** 1167 * Called during state validation. When this function is finished, 1168 * the texture object should be ready for rendering. 1169 * \return GL_TRUE for success, GL_FALSE for failure (out of mem) 1170 */ 1171GLboolean 1172st_finalize_texture(struct gl_context *ctx, 1173 struct pipe_context *pipe, 1174 struct gl_texture_object *tObj) 1175{ 1176 struct st_context *st = st_context(ctx); 1177 struct st_texture_object *stObj = st_texture_object(tObj); 1178 const GLuint nr_faces = (stObj->base.Target == GL_TEXTURE_CUBE_MAP) ? 6 : 1; 1179 GLuint face; 1180 struct st_texture_image *firstImage; 1181 enum pipe_format firstImageFormat; 1182 GLuint ptWidth, ptHeight, ptDepth, ptLayers; 1183 1184 if (_mesa_is_texture_complete(tObj, &tObj->Sampler)) { 1185 /* The texture is complete and we know exactly how many mipmap levels 1186 * are present/needed. This is conditional because we may be called 1187 * from the st_generate_mipmap() function when the texture object is 1188 * incomplete. In that case, we'll have set stObj->lastLevel before 1189 * we get here. 1190 */ 1191 if (stObj->base.Sampler.MinFilter == GL_LINEAR || 1192 stObj->base.Sampler.MinFilter == GL_NEAREST) 1193 stObj->lastLevel = stObj->base.BaseLevel; 1194 else 1195 stObj->lastLevel = stObj->base._MaxLevel; 1196 } 1197 1198 firstImage = st_texture_image(stObj->base.Image[0][stObj->base.BaseLevel]); 1199 assert(firstImage); 1200 1201 /* If both firstImage and stObj point to a texture which can contain 1202 * all active images, favour firstImage. Note that because of the 1203 * completeness requirement, we know that the image dimensions 1204 * will match. 1205 */ 1206 if (firstImage->pt && 1207 firstImage->pt != stObj->pt && 1208 (!stObj->pt || firstImage->pt->last_level >= stObj->pt->last_level)) { 1209 pipe_resource_reference(&stObj->pt, firstImage->pt); 1210 pipe_sampler_view_release(st->pipe, &stObj->sampler_view); 1211 } 1212 1213 /* Find gallium format for the Mesa texture */ 1214 firstImageFormat = st_mesa_format_to_pipe_format(firstImage->base.TexFormat); 1215 1216 /* Find size of level=0 Gallium mipmap image, plus number of texture layers */ 1217 { 1218 GLuint width, height, depth; 1219 if (!guess_base_level_size(stObj->base.Target, 1220 firstImage->base.Width2, 1221 firstImage->base.Height2, 1222 firstImage->base.Depth2, 1223 firstImage->base.Level, 1224 &width, &height, &depth)) { 1225 width = stObj->width0; 1226 height = stObj->height0; 1227 depth = stObj->depth0; 1228 } 1229 /* convert GL dims to Gallium dims */ 1230 st_gl_texture_dims_to_pipe_dims(stObj->base.Target, width, height, depth, 1231 &ptWidth, &ptHeight, &ptDepth, &ptLayers); 1232 } 1233 1234 /* If we already have a gallium texture, check that it matches the texture 1235 * object's format, target, size, num_levels, etc. 1236 */ 1237 if (stObj->pt) { 1238 if (stObj->pt->target != gl_target_to_pipe(stObj->base.Target) || 1239 !st_sampler_compat_formats(stObj->pt->format, firstImageFormat) || 1240 stObj->pt->last_level < stObj->lastLevel || 1241 stObj->pt->width0 != ptWidth || 1242 stObj->pt->height0 != ptHeight || 1243 stObj->pt->depth0 != ptDepth || 1244 stObj->pt->array_size != ptLayers) 1245 { 1246 /* The gallium texture does not match the Mesa texture so delete the 1247 * gallium texture now. We'll make a new one below. 1248 */ 1249 pipe_resource_reference(&stObj->pt, NULL); 1250 pipe_sampler_view_release(st->pipe, &stObj->sampler_view); 1251 st->dirty.st |= ST_NEW_FRAMEBUFFER; 1252 } 1253 } 1254 1255 /* May need to create a new gallium texture: 1256 */ 1257 if (!stObj->pt) { 1258 GLuint bindings = default_bindings(st, firstImageFormat); 1259 1260 stObj->pt = st_texture_create(st, 1261 gl_target_to_pipe(stObj->base.Target), 1262 firstImageFormat, 1263 stObj->lastLevel, 1264 ptWidth, 1265 ptHeight, 1266 ptDepth, 1267 ptLayers, 1268 bindings); 1269 1270 if (!stObj->pt) { 1271 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage"); 1272 return GL_FALSE; 1273 } 1274 } 1275 1276 /* Pull in any images not in the object's texture: 1277 */ 1278 for (face = 0; face < nr_faces; face++) { 1279 GLuint level; 1280 for (level = stObj->base.BaseLevel; level <= stObj->lastLevel; level++) { 1281 struct st_texture_image *stImage = 1282 st_texture_image(stObj->base.Image[face][level]); 1283 1284 /* Need to import images in main memory or held in other textures. 1285 */ 1286 if (stImage && stObj->pt != stImage->pt) { 1287 if (level == 0 || 1288 (stImage->base.Width == u_minify(stObj->width0, level) && 1289 stImage->base.Height == u_minify(stObj->height0, level) && 1290 stImage->base.Depth == u_minify(stObj->depth0, level))) { 1291 /* src image fits expected dest mipmap level size */ 1292 copy_image_data_to_texture(st, stObj, level, stImage); 1293 } 1294 } 1295 } 1296 } 1297 1298 return GL_TRUE; 1299} 1300 1301 1302/** 1303 * Called via ctx->Driver.AllocTextureStorage() to allocate texture memory 1304 * for a whole mipmap stack. 1305 */ 1306static GLboolean 1307st_AllocTextureStorage(struct gl_context *ctx, 1308 struct gl_texture_object *texObj, 1309 GLsizei levels, GLsizei width, 1310 GLsizei height, GLsizei depth) 1311{ 1312 const GLuint numFaces = (texObj->Target == GL_TEXTURE_CUBE_MAP) ? 6 : 1; 1313 struct st_context *st = st_context(ctx); 1314 struct st_texture_object *stObj = st_texture_object(texObj); 1315 GLuint ptWidth, ptHeight, ptDepth, ptLayers, bindings; 1316 enum pipe_format fmt; 1317 GLint level; 1318 1319 assert(levels > 0); 1320 1321 /* Save the level=0 dimensions */ 1322 stObj->width0 = width; 1323 stObj->height0 = height; 1324 stObj->depth0 = depth; 1325 stObj->lastLevel = levels - 1; 1326 1327 fmt = st_mesa_format_to_pipe_format(texObj->Image[0][0]->TexFormat); 1328 1329 bindings = default_bindings(st, fmt); 1330 1331 st_gl_texture_dims_to_pipe_dims(texObj->Target, 1332 width, height, depth, 1333 &ptWidth, &ptHeight, &ptDepth, &ptLayers); 1334 1335 stObj->pt = st_texture_create(st, 1336 gl_target_to_pipe(texObj->Target), 1337 fmt, 1338 levels, 1339 ptWidth, 1340 ptHeight, 1341 ptDepth, 1342 ptLayers, 1343 bindings); 1344 if (!stObj->pt) 1345 return GL_FALSE; 1346 1347 /* Set image resource pointers */ 1348 for (level = 0; level < levels; level++) { 1349 GLuint face; 1350 for (face = 0; face < numFaces; face++) { 1351 struct st_texture_image *stImage = 1352 st_texture_image(texObj->Image[face][level]); 1353 pipe_resource_reference(&stImage->pt, stObj->pt); 1354 } 1355 } 1356 1357 return GL_TRUE; 1358} 1359 1360 1361 1362void 1363st_init_texture_functions(struct dd_function_table *functions) 1364{ 1365 functions->ChooseTextureFormat = st_ChooseTextureFormat; 1366 functions->TexImage = st_TexImage; 1367 functions->TexSubImage = _mesa_store_texsubimage; 1368 functions->CompressedTexSubImage = _mesa_store_compressed_texsubimage; 1369 functions->CopyTexSubImage = st_CopyTexSubImage; 1370 functions->GenerateMipmap = st_generate_mipmap; 1371 1372 functions->GetTexImage = st_GetTexImage; 1373 1374 /* compressed texture functions */ 1375 functions->CompressedTexImage = st_CompressedTexImage; 1376 functions->GetCompressedTexImage = _mesa_get_compressed_teximage; 1377 1378 functions->NewTextureObject = st_NewTextureObject; 1379 functions->NewTextureImage = st_NewTextureImage; 1380 functions->DeleteTextureImage = st_DeleteTextureImage; 1381 functions->DeleteTexture = st_DeleteTextureObject; 1382 functions->AllocTextureImageBuffer = st_AllocTextureImageBuffer; 1383 functions->FreeTextureImageBuffer = st_FreeTextureImageBuffer; 1384 functions->MapTextureImage = st_MapTextureImage; 1385 functions->UnmapTextureImage = st_UnmapTextureImage; 1386 1387 /* XXX Temporary until we can query pipe's texture sizes */ 1388 functions->TestProxyTexImage = _mesa_test_proxy_teximage; 1389 1390 functions->AllocTextureStorage = st_AllocTextureStorage; 1391} 1392