st_cb_texture.c revision c9a7dfcf92e6adb4b85338c2c8dbbfbaf39fbfe7
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{ 420 struct st_context *st = st_context(ctx); 421 struct st_texture_image *stImage = st_texture_image(texImage); 422 struct st_texture_object *stObj = st_texture_object(texImage->TexObject); 423 const GLuint level = texImage->Level; 424 GLuint width = texImage->Width; 425 GLuint height = texImage->Height; 426 GLuint depth = texImage->Depth; 427 428 DBG("%s\n", __FUNCTION__); 429 430 assert(!stImage->TexData); 431 assert(!stImage->pt); /* xxx this might be wrong */ 432 433 /* Look if the parent texture object has space for this image */ 434 if (stObj->pt && 435 level <= stObj->pt->last_level && 436 st_texture_match_image(stObj->pt, texImage)) { 437 /* this image will fit in the existing texture object's memory */ 438 pipe_resource_reference(&stImage->pt, stObj->pt); 439 return GL_TRUE; 440 } 441 442 /* The parent texture object does not have space for this image */ 443 444 pipe_resource_reference(&stObj->pt, NULL); 445 pipe_sampler_view_release(st->pipe, &stObj->sampler_view); 446 447 if (!guess_and_alloc_texture(st, stObj, stImage)) { 448 /* Probably out of memory. 449 * Try flushing any pending rendering, then retry. 450 */ 451 st_finish(st); 452 if (!guess_and_alloc_texture(st, stObj, stImage)) { 453 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage"); 454 return GL_FALSE; 455 } 456 } 457 458 if (stObj->pt && 459 st_texture_match_image(stObj->pt, texImage)) { 460 /* The image will live in the object's mipmap memory */ 461 pipe_resource_reference(&stImage->pt, stObj->pt); 462 assert(stImage->pt); 463 return GL_TRUE; 464 } 465 else { 466 /* Create a new, temporary texture/resource/buffer to hold this 467 * one texture image. Note that when we later access this image 468 * (either for mapping or copying) we'll want to always specify 469 * mipmap level=0, even if the image represents some other mipmap 470 * level. 471 */ 472 enum pipe_format format = 473 st_mesa_format_to_pipe_format(texImage->TexFormat); 474 GLuint bindings = default_bindings(st, format); 475 GLuint ptWidth, ptHeight, ptDepth, ptLayers; 476 477 st_gl_texture_dims_to_pipe_dims(stObj->base.Target, 478 width, height, depth, 479 &ptWidth, &ptHeight, &ptDepth, &ptLayers); 480 481 stImage->pt = st_texture_create(st, 482 gl_target_to_pipe(stObj->base.Target), 483 format, 484 0, /* lastLevel */ 485 ptWidth, 486 ptHeight, 487 ptDepth, 488 ptLayers, 489 bindings); 490 return stImage->pt != NULL; 491 } 492} 493 494 495/** 496 * Preparation prior to glTexImage. Basically check the 'surface_based' 497 * field and switch to a "normal" tex image if necessary. 498 */ 499static void 500prep_teximage(struct gl_context *ctx, struct gl_texture_image *texImage, 501 GLenum format, GLenum type) 502{ 503 struct gl_texture_object *texObj = texImage->TexObject; 504 struct st_texture_object *stObj = st_texture_object(texObj); 505 506 /* switch to "normal" */ 507 if (stObj->surface_based) { 508 const GLenum target = texObj->Target; 509 const GLuint level = texImage->Level; 510 gl_format texFormat; 511 512 _mesa_clear_texture_object(ctx, texObj); 513 pipe_resource_reference(&stObj->pt, NULL); 514 515 /* oops, need to init this image again */ 516 texFormat = _mesa_choose_texture_format(ctx, texObj, target, level, 517 texImage->InternalFormat, format, 518 type); 519 520 _mesa_init_teximage_fields(ctx, texImage, 521 texImage->Width, texImage->Height, 522 texImage->Depth, texImage->Border, 523 texImage->InternalFormat, texFormat); 524 525 stObj->surface_based = GL_FALSE; 526 } 527} 528 529 530static void 531st_TexImage(struct gl_context * ctx, GLuint dims, 532 struct gl_texture_image *texImage, 533 GLenum format, GLenum type, const void *pixels, 534 const struct gl_pixelstore_attrib *unpack) 535{ 536 prep_teximage(ctx, texImage, format, type); 537 _mesa_store_teximage(ctx, dims, texImage, format, type, pixels, unpack); 538} 539 540 541static void 542st_CompressedTexImage(struct gl_context *ctx, GLuint dims, 543 struct gl_texture_image *texImage, 544 GLint internalFormat, 545 GLint width, GLint height, GLint border, GLint depth, 546 GLsizei imageSize, const GLvoid *data) 547{ 548 prep_teximage(ctx, texImage, GL_NONE, GL_NONE); 549 _mesa_store_compressed_teximage(ctx, dims, texImage, internalFormat, width, 550 height, depth, border, imageSize, data); 551} 552 553 554 555/** 556 * glGetTexImage() helper: decompress a compressed texture by rendering 557 * a textured quad. Store the results in the user's buffer. 558 */ 559static void 560decompress_with_blit(struct gl_context * ctx, 561 GLenum format, GLenum type, GLvoid *pixels, 562 struct gl_texture_image *texImage) 563{ 564 struct st_context *st = st_context(ctx); 565 struct pipe_context *pipe = st->pipe; 566 struct st_texture_image *stImage = st_texture_image(texImage); 567 struct st_texture_object *stObj = st_texture_object(texImage->TexObject); 568 struct pipe_sampler_view *src_view; 569 const GLuint width = texImage->Width; 570 const GLuint height = texImage->Height; 571 struct pipe_surface *dst_surface; 572 struct pipe_resource *dst_texture; 573 struct pipe_transfer *tex_xfer; 574 unsigned bind = (PIPE_BIND_RENDER_TARGET | /* util_blit may choose to render */ 575 PIPE_BIND_TRANSFER_READ); 576 577 /* create temp / dest surface */ 578 if (!util_create_rgba_surface(pipe, width, height, bind, 579 &dst_texture, &dst_surface)) { 580 _mesa_problem(ctx, "util_create_rgba_surface() failed " 581 "in decompress_with_blit()"); 582 return; 583 } 584 585 /* Disable conditional rendering. */ 586 if (st->render_condition) { 587 pipe->render_condition(pipe, NULL, 0); 588 } 589 590 /* Create sampler view that limits fetches to the source mipmap level */ 591 { 592 struct pipe_sampler_view sv_temp; 593 594 u_sampler_view_default_template(&sv_temp, stObj->pt, stObj->pt->format); 595 596 sv_temp.format = util_format_linear(sv_temp.format); 597 sv_temp.u.tex.first_level = 598 sv_temp.u.tex.last_level = texImage->Level; 599 600 src_view = pipe->create_sampler_view(pipe, stObj->pt, &sv_temp); 601 if (!src_view) { 602 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glGetTexImage"); 603 return; 604 } 605 } 606 607 /* blit/render/decompress */ 608 util_blit_pixels_tex(st->blit, 609 src_view, /* pipe_resource (src) */ 610 0, 0, /* src x0, y0 */ 611 width, height, /* src x1, y1 */ 612 dst_surface, /* pipe_surface (dst) */ 613 0, 0, /* dst x0, y0 */ 614 width, height, /* dst x1, y1 */ 615 0.0, /* z */ 616 PIPE_TEX_MIPFILTER_NEAREST); 617 618 /* Restore conditional rendering state. */ 619 if (st->render_condition) { 620 pipe->render_condition(pipe, st->render_condition, 621 st->condition_mode); 622 } 623 624 /* map the dst_surface so we can read from it */ 625 tex_xfer = pipe_get_transfer(pipe, 626 dst_texture, 0, 0, 627 PIPE_TRANSFER_READ, 628 0, 0, width, height); 629 630 pixels = _mesa_map_pbo_dest(ctx, &ctx->Pack, pixels); 631 632 /* copy/pack data into user buffer */ 633 if (_mesa_format_matches_format_and_type(stImage->base.TexFormat, 634 format, type, 635 ctx->Pack.SwapBytes)) { 636 /* memcpy */ 637 const uint bytesPerRow = width * util_format_get_blocksize(stImage->pt->format); 638 ubyte *map = pipe_transfer_map(pipe, tex_xfer); 639 GLuint row; 640 for (row = 0; row < height; row++) { 641 GLvoid *dest = _mesa_image_address2d(&ctx->Pack, pixels, width, 642 height, format, type, row, 0); 643 memcpy(dest, map, bytesPerRow); 644 map += tex_xfer->stride; 645 } 646 pipe_transfer_unmap(pipe, tex_xfer); 647 } 648 else { 649 /* format translation via floats */ 650 GLuint row; 651 enum pipe_format pformat = util_format_linear(dst_texture->format); 652 GLfloat *rgba; 653 654 rgba = (GLfloat *) malloc(width * 4 * sizeof(GLfloat)); 655 if (!rgba) { 656 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glGetTexImage()"); 657 goto end; 658 } 659 660 for (row = 0; row < height; row++) { 661 const GLbitfield transferOps = 0x0; /* bypassed for glGetTexImage() */ 662 GLvoid *dest = _mesa_image_address2d(&ctx->Pack, pixels, width, 663 height, format, type, row, 0); 664 665 if (ST_DEBUG & DEBUG_FALLBACK) 666 debug_printf("%s: fallback format translation\n", __FUNCTION__); 667 668 /* get float[4] rgba row from surface */ 669 pipe_get_tile_rgba_format(pipe, tex_xfer, 0, row, width, 1, 670 pformat, rgba); 671 672 _mesa_pack_rgba_span_float(ctx, width, (GLfloat (*)[4]) rgba, format, 673 type, dest, &ctx->Pack, transferOps); 674 } 675 676 free(rgba); 677 } 678 679end: 680 _mesa_unmap_pbo_dest(ctx, &ctx->Pack); 681 682 pipe->transfer_destroy(pipe, tex_xfer); 683 684 /* destroy the temp / dest surface */ 685 util_destroy_rgba_surface(dst_texture, dst_surface); 686 687 pipe_sampler_view_release(pipe, &src_view); 688} 689 690 691 692/** 693 * Called via ctx->Driver.GetTexImage() 694 */ 695static void 696st_GetTexImage(struct gl_context * ctx, 697 GLenum format, GLenum type, GLvoid * pixels, 698 struct gl_texture_image *texImage) 699{ 700 struct st_texture_image *stImage = st_texture_image(texImage); 701 702 if (stImage->pt && util_format_is_s3tc(stImage->pt->format)) { 703 /* Need to decompress the texture. 704 * We'll do this by rendering a textured quad (which is hopefully 705 * faster than using the fallback code in texcompress.c). 706 * Note that we only expect RGBA formats (no Z/depth formats). 707 */ 708 decompress_with_blit(ctx, format, type, pixels, texImage); 709 } 710 else { 711 _mesa_get_teximage(ctx, format, type, pixels, texImage); 712 } 713} 714 715 716/** 717 * Do a CopyTexSubImage operation using a read transfer from the source, 718 * a write transfer to the destination and get_tile()/put_tile() to access 719 * the pixels/texels. 720 * 721 * Note: srcY=0=TOP of renderbuffer 722 */ 723static void 724fallback_copy_texsubimage(struct gl_context *ctx, 725 struct st_renderbuffer *strb, 726 struct st_texture_image *stImage, 727 GLenum baseFormat, 728 GLint destX, GLint destY, GLint destZ, 729 GLint srcX, GLint srcY, 730 GLsizei width, GLsizei height) 731{ 732 struct st_context *st = st_context(ctx); 733 struct pipe_context *pipe = st->pipe; 734 struct pipe_transfer *src_trans; 735 GLvoid *texDest; 736 enum pipe_transfer_usage transfer_usage; 737 738 if (ST_DEBUG & DEBUG_FALLBACK) 739 debug_printf("%s: fallback processing\n", __FUNCTION__); 740 741 if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) { 742 srcY = strb->Base.Height - srcY - height; 743 } 744 745 src_trans = pipe_get_transfer(pipe, 746 strb->texture, 747 strb->rtt_level, 748 strb->rtt_face + strb->rtt_slice, 749 PIPE_TRANSFER_READ, 750 srcX, srcY, 751 width, height); 752 753 if ((baseFormat == GL_DEPTH_COMPONENT || 754 baseFormat == GL_DEPTH_STENCIL) && 755 util_format_is_depth_and_stencil(stImage->pt->format)) 756 transfer_usage = PIPE_TRANSFER_READ_WRITE; 757 else 758 transfer_usage = PIPE_TRANSFER_WRITE; 759 760 /* XXX this used to ignore destZ param */ 761 texDest = st_texture_image_map(st, stImage, destZ, transfer_usage, 762 destX, destY, width, height); 763 764 if (baseFormat == GL_DEPTH_COMPONENT || 765 baseFormat == GL_DEPTH_STENCIL) { 766 const GLboolean scaleOrBias = (ctx->Pixel.DepthScale != 1.0F || 767 ctx->Pixel.DepthBias != 0.0F); 768 GLint row, yStep; 769 uint *data; 770 771 /* determine bottom-to-top vs. top-to-bottom order for src buffer */ 772 if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) { 773 srcY = height - 1; 774 yStep = -1; 775 } 776 else { 777 srcY = 0; 778 yStep = 1; 779 } 780 781 data = (uint *) malloc(width * sizeof(uint)); 782 783 if (data) { 784 /* To avoid a large temp memory allocation, do copy row by row */ 785 for (row = 0; row < height; row++, srcY += yStep) { 786 pipe_get_tile_z(pipe, src_trans, 0, srcY, width, 1, data); 787 if (scaleOrBias) { 788 _mesa_scale_and_bias_depth_uint(ctx, width, data); 789 } 790 pipe_put_tile_z(pipe, stImage->transfer, 0, row, width, 1, data); 791 } 792 } 793 else { 794 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexSubImage()"); 795 } 796 797 free(data); 798 } 799 else { 800 /* RGBA format */ 801 GLfloat *tempSrc = 802 (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat)); 803 804 if (tempSrc && texDest) { 805 const GLint dims = 2; 806 const GLint dstRowStride = stImage->transfer->stride; 807 struct gl_texture_image *texImage = &stImage->base; 808 struct gl_pixelstore_attrib unpack = ctx->DefaultPacking; 809 810 if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) { 811 unpack.Invert = GL_TRUE; 812 } 813 814 /* get float/RGBA image from framebuffer */ 815 /* XXX this usually involves a lot of int/float conversion. 816 * try to avoid that someday. 817 */ 818 pipe_get_tile_rgba_format(pipe, src_trans, 0, 0, width, height, 819 util_format_linear(strb->texture->format), 820 tempSrc); 821 822 /* Store into texture memory. 823 * Note that this does some special things such as pixel transfer 824 * ops and format conversion. In particular, if the dest tex format 825 * is actually RGBA but the user created the texture as GL_RGB we 826 * need to fill-in/override the alpha channel with 1.0. 827 */ 828 _mesa_texstore(ctx, dims, 829 texImage->_BaseFormat, 830 texImage->TexFormat, 831 dstRowStride, 832 (GLubyte **) &texDest, 833 width, height, 1, 834 GL_RGBA, GL_FLOAT, tempSrc, /* src */ 835 &unpack); 836 } 837 else { 838 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage"); 839 } 840 841 if (tempSrc) 842 free(tempSrc); 843 } 844 845 st_texture_image_unmap(st, stImage); 846 pipe->transfer_destroy(pipe, src_trans); 847} 848 849 850 851/** 852 * If the format of the src renderbuffer and the format of the dest 853 * texture are compatible (in terms of blitting), return a TGSI writemask 854 * to be used during the blit. 855 * If the src/dest are incompatible, return 0. 856 */ 857static unsigned 858compatible_src_dst_formats(struct gl_context *ctx, 859 const struct gl_renderbuffer *src, 860 const struct gl_texture_image *dst) 861{ 862 /* Get logical base formats for the src and dest. 863 * That is, use the user-requested formats and not the actual, device- 864 * chosen formats. 865 * For example, the user may have requested an A8 texture but the 866 * driver may actually be using an RGBA texture format. When we 867 * copy/blit to that texture, we only want to copy the Alpha channel 868 * and not the RGB channels. 869 * 870 * Similarly, when the src FBO was created an RGB format may have been 871 * requested but the driver actually chose an RGBA format. In that case, 872 * we don't want to copy the undefined Alpha channel to the dest texture 873 * (it should be 1.0). 874 */ 875 const GLenum srcFormat = _mesa_base_fbo_format(ctx, src->InternalFormat); 876 const GLenum dstFormat = _mesa_base_tex_format(ctx, dst->InternalFormat); 877 878 /** 879 * XXX when we have red-only and red/green renderbuffers we'll need 880 * to add more cases here (or implement a general-purpose routine that 881 * queries the existance of the R,G,B,A channels in the src and dest). 882 */ 883 if (srcFormat == dstFormat) { 884 /* This is the same as matching_base_formats, which should 885 * always pass, as it did previously. 886 */ 887 return TGSI_WRITEMASK_XYZW; 888 } 889 else if (srcFormat == GL_RGB && dstFormat == GL_RGBA) { 890 /* Make sure that A in the dest is 1. The actual src format 891 * may be RGBA and have undefined A values. 892 */ 893 return TGSI_WRITEMASK_XYZ; 894 } 895 else if (srcFormat == GL_RGBA && dstFormat == GL_RGB) { 896 /* Make sure that A in the dest is 1. The actual dst format 897 * may be RGBA and will need A=1 to provide proper alpha values 898 * when sampled later. 899 */ 900 return TGSI_WRITEMASK_XYZ; 901 } 902 else { 903 if (ST_DEBUG & DEBUG_FALLBACK) 904 debug_printf("%s failed for src %s, dst %s\n", 905 __FUNCTION__, 906 _mesa_lookup_enum_by_nr(srcFormat), 907 _mesa_lookup_enum_by_nr(dstFormat)); 908 909 /* Otherwise fail. 910 */ 911 return 0; 912 } 913} 914 915 916 917/** 918 * Do a CopyTex[Sub]Image1/2/3D() using a hardware (blit) path if possible. 919 * Note that the region to copy has already been clipped so we know we 920 * won't read from outside the source renderbuffer's bounds. 921 * 922 * Note: srcY=0=Bottom of renderbuffer (GL convention) 923 */ 924static void 925st_CopyTexSubImage(struct gl_context *ctx, GLuint dims, 926 struct gl_texture_image *texImage, 927 GLint destX, GLint destY, GLint destZ, 928 struct gl_renderbuffer *rb, 929 GLint srcX, GLint srcY, GLsizei width, GLsizei height) 930{ 931 struct st_texture_image *stImage = st_texture_image(texImage); 932 const GLenum texBaseFormat = texImage->_BaseFormat; 933 struct gl_framebuffer *fb = ctx->ReadBuffer; 934 struct st_renderbuffer *strb; 935 struct st_context *st = st_context(ctx); 936 struct pipe_context *pipe = st->pipe; 937 struct pipe_screen *screen = pipe->screen; 938 enum pipe_format dest_format, src_format; 939 GLboolean matching_base_formats; 940 GLuint color_writemask, zs_writemask, sample_count; 941 struct pipe_surface *dest_surface = NULL; 942 GLboolean do_flip = (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP); 943 struct pipe_surface surf_tmpl; 944 unsigned int dst_usage; 945 GLint srcY0, srcY1; 946 947 /* make sure finalize_textures has been called? 948 */ 949 if (0) st_validate_state(st); 950 951 /* determine if copying depth or color data */ 952 if (texBaseFormat == GL_DEPTH_COMPONENT || 953 texBaseFormat == GL_DEPTH_STENCIL) { 954 strb = st_renderbuffer(fb->Attachment[BUFFER_DEPTH].Renderbuffer); 955 } 956 else { 957 /* texBaseFormat == GL_RGB, GL_RGBA, GL_ALPHA, etc */ 958 strb = st_renderbuffer(fb->_ColorReadBuffer); 959 } 960 961 if (!strb || !strb->surface || !stImage->pt) { 962 debug_printf("%s: null strb or stImage\n", __FUNCTION__); 963 return; 964 } 965 966 sample_count = strb->surface->texture->nr_samples; 967 /* I believe this would be legal, presumably would need to do a resolve 968 for color, and for depth/stencil spec says to just use one of the 969 depth/stencil samples per pixel? Need some transfer clarifications. */ 970 assert(sample_count < 2); 971 972 assert(strb); 973 assert(strb->surface); 974 assert(stImage->pt); 975 976 src_format = strb->surface->format; 977 dest_format = stImage->pt->format; 978 979 /* 980 * Determine if the src framebuffer and dest texture have the same 981 * base format. We need this to detect a case such as the framebuffer 982 * being GL_RGBA but the texture being GL_RGB. If the actual hardware 983 * texture format stores RGBA we need to set A=1 (overriding the 984 * framebuffer's alpha values). We can't do that with the blit or 985 * textured-quad paths. 986 */ 987 matching_base_formats = 988 (_mesa_get_format_base_format(strb->Base.Format) == 989 _mesa_get_format_base_format(texImage->TexFormat)); 990 991 if (ctx->_ImageTransferState) { 992 goto fallback; 993 } 994 995 if (matching_base_formats && 996 src_format == dest_format && 997 !do_flip) { 998 /* use surface_copy() / blit */ 999 struct pipe_box src_box; 1000 unsigned dstLevel; 1001 1002 u_box_2d_zslice(srcX, srcY, strb->surface->u.tex.first_layer, 1003 width, height, &src_box); 1004 1005 /* If stImage->pt is an independent image (not a pointer into a full 1006 * mipmap) stImage->pt.last_level will be zero and we need to use that 1007 * as the dest level. 1008 */ 1009 dstLevel = MIN2(stImage->base.Level, stImage->pt->last_level); 1010 1011 /* for resource_copy_region(), y=0=top, always */ 1012 pipe->resource_copy_region(pipe, 1013 /* dest */ 1014 stImage->pt, 1015 dstLevel, 1016 destX, destY, destZ + stImage->base.Face, 1017 /* src */ 1018 strb->texture, 1019 strb->surface->u.tex.level, 1020 &src_box); 1021 return; 1022 } 1023 1024 if (texBaseFormat == GL_DEPTH_STENCIL) { 1025 goto fallback; 1026 } 1027 1028 if (texBaseFormat == GL_DEPTH_COMPONENT) { 1029 color_writemask = 0; 1030 zs_writemask = BLIT_WRITEMASK_Z; 1031 dst_usage = PIPE_BIND_DEPTH_STENCIL; 1032 } 1033 else { 1034 color_writemask = compatible_src_dst_formats(ctx, &strb->Base, texImage); 1035 zs_writemask = 0; 1036 dst_usage = PIPE_BIND_RENDER_TARGET; 1037 } 1038 1039 if ((!color_writemask && !zs_writemask) || 1040 !screen->is_format_supported(screen, src_format, 1041 PIPE_TEXTURE_2D, sample_count, 1042 PIPE_BIND_SAMPLER_VIEW) || 1043 !screen->is_format_supported(screen, dest_format, 1044 PIPE_TEXTURE_2D, 0, 1045 dst_usage)) { 1046 goto fallback; 1047 } 1048 1049 if (do_flip) { 1050 srcY1 = strb->Base.Height - srcY - height; 1051 srcY0 = srcY1 + height; 1052 } 1053 else { 1054 srcY0 = srcY; 1055 srcY1 = srcY0 + height; 1056 } 1057 1058 /* Disable conditional rendering. */ 1059 if (st->render_condition) { 1060 pipe->render_condition(pipe, NULL, 0); 1061 } 1062 1063 memset(&surf_tmpl, 0, sizeof(surf_tmpl)); 1064 surf_tmpl.format = util_format_linear(stImage->pt->format); 1065 surf_tmpl.usage = dst_usage; 1066 surf_tmpl.u.tex.level = stImage->base.Level; 1067 surf_tmpl.u.tex.first_layer = stImage->base.Face + destZ; 1068 surf_tmpl.u.tex.last_layer = stImage->base.Face + destZ; 1069 1070 dest_surface = pipe->create_surface(pipe, stImage->pt, 1071 &surf_tmpl); 1072 util_blit_pixels(st->blit, 1073 strb->texture, 1074 strb->surface->u.tex.level, 1075 srcX, srcY0, 1076 srcX + width, srcY1, 1077 strb->surface->u.tex.first_layer, 1078 dest_surface, 1079 destX, destY, 1080 destX + width, destY + height, 1081 0.0, PIPE_TEX_MIPFILTER_NEAREST, 1082 color_writemask, zs_writemask); 1083 pipe_surface_reference(&dest_surface, NULL); 1084 1085 /* Restore conditional rendering state. */ 1086 if (st->render_condition) { 1087 pipe->render_condition(pipe, st->render_condition, 1088 st->condition_mode); 1089 } 1090 1091 return; 1092 1093fallback: 1094 /* software fallback */ 1095 fallback_copy_texsubimage(ctx, 1096 strb, stImage, texBaseFormat, 1097 destX, destY, destZ, 1098 srcX, srcY, width, height); 1099} 1100 1101 1102/** 1103 * Copy image data from stImage into the texture object 'stObj' at level 1104 * 'dstLevel'. 1105 */ 1106static void 1107copy_image_data_to_texture(struct st_context *st, 1108 struct st_texture_object *stObj, 1109 GLuint dstLevel, 1110 struct st_texture_image *stImage) 1111{ 1112 /* debug checks */ 1113 { 1114 const struct gl_texture_image *dstImage = 1115 stObj->base.Image[stImage->base.Face][dstLevel]; 1116 assert(dstImage); 1117 assert(dstImage->Width == stImage->base.Width); 1118 assert(dstImage->Height == stImage->base.Height); 1119 assert(dstImage->Depth == stImage->base.Depth); 1120 } 1121 1122 if (stImage->pt) { 1123 /* Copy potentially with the blitter: 1124 */ 1125 GLuint src_level; 1126 if (stImage->pt != stObj->pt) 1127 src_level = 0; 1128 else 1129 src_level = stImage->base.Level; 1130 1131 st_texture_image_copy(st->pipe, 1132 stObj->pt, dstLevel, /* dest texture, level */ 1133 stImage->pt, src_level, /* src texture, level */ 1134 stImage->base.Face); 1135 1136 pipe_resource_reference(&stImage->pt, NULL); 1137 } 1138 else if (stImage->TexData) { 1139 /* Copy from malloc'd memory */ 1140 /* XXX this should be re-examined/tested with a compressed format */ 1141 GLuint blockSize = util_format_get_blocksize(stObj->pt->format); 1142 GLuint srcRowStride = stImage->base.Width * blockSize; 1143 GLuint srcSliceStride = stImage->base.Height * srcRowStride; 1144 st_texture_image_data(st, 1145 stObj->pt, 1146 stImage->base.Face, 1147 dstLevel, 1148 stImage->TexData, 1149 srcRowStride, 1150 srcSliceStride); 1151 _mesa_align_free(stImage->TexData); 1152 stImage->TexData = NULL; 1153 } 1154 1155 pipe_resource_reference(&stImage->pt, stObj->pt); 1156} 1157 1158 1159/** 1160 * Called during state validation. When this function is finished, 1161 * the texture object should be ready for rendering. 1162 * \return GL_TRUE for success, GL_FALSE for failure (out of mem) 1163 */ 1164GLboolean 1165st_finalize_texture(struct gl_context *ctx, 1166 struct pipe_context *pipe, 1167 struct gl_texture_object *tObj) 1168{ 1169 struct st_context *st = st_context(ctx); 1170 struct st_texture_object *stObj = st_texture_object(tObj); 1171 const GLuint nr_faces = (stObj->base.Target == GL_TEXTURE_CUBE_MAP) ? 6 : 1; 1172 GLuint face; 1173 struct st_texture_image *firstImage; 1174 enum pipe_format firstImageFormat; 1175 GLuint ptWidth, ptHeight, ptDepth, ptLayers; 1176 1177 if (_mesa_is_texture_complete(tObj, &tObj->Sampler)) { 1178 /* The texture is complete and we know exactly how many mipmap levels 1179 * are present/needed. This is conditional because we may be called 1180 * from the st_generate_mipmap() function when the texture object is 1181 * incomplete. In that case, we'll have set stObj->lastLevel before 1182 * we get here. 1183 */ 1184 if (stObj->base.Sampler.MinFilter == GL_LINEAR || 1185 stObj->base.Sampler.MinFilter == GL_NEAREST) 1186 stObj->lastLevel = stObj->base.BaseLevel; 1187 else 1188 stObj->lastLevel = stObj->base._MaxLevel; 1189 } 1190 1191 firstImage = st_texture_image(stObj->base.Image[0][stObj->base.BaseLevel]); 1192 assert(firstImage); 1193 1194 /* If both firstImage and stObj point to a texture which can contain 1195 * all active images, favour firstImage. Note that because of the 1196 * completeness requirement, we know that the image dimensions 1197 * will match. 1198 */ 1199 if (firstImage->pt && 1200 firstImage->pt != stObj->pt && 1201 (!stObj->pt || firstImage->pt->last_level >= stObj->pt->last_level)) { 1202 pipe_resource_reference(&stObj->pt, firstImage->pt); 1203 pipe_sampler_view_release(st->pipe, &stObj->sampler_view); 1204 } 1205 1206 /* Find gallium format for the Mesa texture */ 1207 firstImageFormat = st_mesa_format_to_pipe_format(firstImage->base.TexFormat); 1208 1209 /* Find size of level=0 Gallium mipmap image, plus number of texture layers */ 1210 { 1211 GLuint width, height, depth; 1212 if (!guess_base_level_size(stObj->base.Target, 1213 firstImage->base.Width2, 1214 firstImage->base.Height2, 1215 firstImage->base.Depth2, 1216 firstImage->base.Level, 1217 &width, &height, &depth)) { 1218 width = stObj->width0; 1219 height = stObj->height0; 1220 depth = stObj->depth0; 1221 } 1222 /* convert GL dims to Gallium dims */ 1223 st_gl_texture_dims_to_pipe_dims(stObj->base.Target, width, height, depth, 1224 &ptWidth, &ptHeight, &ptDepth, &ptLayers); 1225 } 1226 1227 /* If we already have a gallium texture, check that it matches the texture 1228 * object's format, target, size, num_levels, etc. 1229 */ 1230 if (stObj->pt) { 1231 if (stObj->pt->target != gl_target_to_pipe(stObj->base.Target) || 1232 !st_sampler_compat_formats(stObj->pt->format, firstImageFormat) || 1233 stObj->pt->last_level < stObj->lastLevel || 1234 stObj->pt->width0 != ptWidth || 1235 stObj->pt->height0 != ptHeight || 1236 stObj->pt->depth0 != ptDepth || 1237 stObj->pt->array_size != ptLayers) 1238 { 1239 /* The gallium texture does not match the Mesa texture so delete the 1240 * gallium texture now. We'll make a new one below. 1241 */ 1242 pipe_resource_reference(&stObj->pt, NULL); 1243 pipe_sampler_view_release(st->pipe, &stObj->sampler_view); 1244 st->dirty.st |= ST_NEW_FRAMEBUFFER; 1245 } 1246 } 1247 1248 /* May need to create a new gallium texture: 1249 */ 1250 if (!stObj->pt) { 1251 GLuint bindings = default_bindings(st, firstImageFormat); 1252 1253 stObj->pt = st_texture_create(st, 1254 gl_target_to_pipe(stObj->base.Target), 1255 firstImageFormat, 1256 stObj->lastLevel, 1257 ptWidth, 1258 ptHeight, 1259 ptDepth, 1260 ptLayers, 1261 bindings); 1262 1263 if (!stObj->pt) { 1264 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage"); 1265 return GL_FALSE; 1266 } 1267 } 1268 1269 /* Pull in any images not in the object's texture: 1270 */ 1271 for (face = 0; face < nr_faces; face++) { 1272 GLuint level; 1273 for (level = stObj->base.BaseLevel; level <= stObj->lastLevel; level++) { 1274 struct st_texture_image *stImage = 1275 st_texture_image(stObj->base.Image[face][level]); 1276 1277 /* Need to import images in main memory or held in other textures. 1278 */ 1279 if (stImage && stObj->pt != stImage->pt) { 1280 if (level == 0 || 1281 (stImage->base.Width == u_minify(stObj->width0, level) && 1282 stImage->base.Height == u_minify(stObj->height0, level) && 1283 stImage->base.Depth == u_minify(stObj->depth0, level))) { 1284 /* src image fits expected dest mipmap level size */ 1285 copy_image_data_to_texture(st, stObj, level, stImage); 1286 } 1287 } 1288 } 1289 } 1290 1291 return GL_TRUE; 1292} 1293 1294 1295/** 1296 * Called via ctx->Driver.AllocTextureStorage() to allocate texture memory 1297 * for a whole mipmap stack. 1298 */ 1299static GLboolean 1300st_AllocTextureStorage(struct gl_context *ctx, 1301 struct gl_texture_object *texObj, 1302 GLsizei levels, GLsizei width, 1303 GLsizei height, GLsizei depth) 1304{ 1305 const GLuint numFaces = (texObj->Target == GL_TEXTURE_CUBE_MAP) ? 6 : 1; 1306 struct st_context *st = st_context(ctx); 1307 struct st_texture_object *stObj = st_texture_object(texObj); 1308 GLuint ptWidth, ptHeight, ptDepth, ptLayers, bindings; 1309 enum pipe_format fmt; 1310 GLint level; 1311 1312 assert(levels > 0); 1313 1314 /* Save the level=0 dimensions */ 1315 stObj->width0 = width; 1316 stObj->height0 = height; 1317 stObj->depth0 = depth; 1318 stObj->lastLevel = levels - 1; 1319 1320 fmt = st_mesa_format_to_pipe_format(texObj->Image[0][0]->TexFormat); 1321 1322 bindings = default_bindings(st, fmt); 1323 1324 st_gl_texture_dims_to_pipe_dims(texObj->Target, 1325 width, height, depth, 1326 &ptWidth, &ptHeight, &ptDepth, &ptLayers); 1327 1328 stObj->pt = st_texture_create(st, 1329 gl_target_to_pipe(texObj->Target), 1330 fmt, 1331 levels, 1332 ptWidth, 1333 ptHeight, 1334 ptDepth, 1335 ptLayers, 1336 bindings); 1337 if (!stObj->pt) 1338 return GL_FALSE; 1339 1340 /* Set image resource pointers */ 1341 for (level = 0; level < levels; level++) { 1342 GLuint face; 1343 for (face = 0; face < numFaces; face++) { 1344 struct st_texture_image *stImage = 1345 st_texture_image(texObj->Image[face][level]); 1346 pipe_resource_reference(&stImage->pt, stObj->pt); 1347 } 1348 } 1349 1350 return GL_TRUE; 1351} 1352 1353 1354 1355void 1356st_init_texture_functions(struct dd_function_table *functions) 1357{ 1358 functions->ChooseTextureFormat = st_ChooseTextureFormat; 1359 functions->TexImage = st_TexImage; 1360 functions->TexSubImage = _mesa_store_texsubimage; 1361 functions->CompressedTexSubImage = _mesa_store_compressed_texsubimage; 1362 functions->CopyTexSubImage = st_CopyTexSubImage; 1363 functions->GenerateMipmap = st_generate_mipmap; 1364 1365 functions->GetTexImage = st_GetTexImage; 1366 1367 /* compressed texture functions */ 1368 functions->CompressedTexImage = st_CompressedTexImage; 1369 functions->GetCompressedTexImage = _mesa_get_compressed_teximage; 1370 1371 functions->NewTextureObject = st_NewTextureObject; 1372 functions->NewTextureImage = st_NewTextureImage; 1373 functions->DeleteTextureImage = st_DeleteTextureImage; 1374 functions->DeleteTexture = st_DeleteTextureObject; 1375 functions->AllocTextureImageBuffer = st_AllocTextureImageBuffer; 1376 functions->FreeTextureImageBuffer = st_FreeTextureImageBuffer; 1377 functions->MapTextureImage = st_MapTextureImage; 1378 functions->UnmapTextureImage = st_UnmapTextureImage; 1379 1380 /* XXX Temporary until we can query pipe's texture sizes */ 1381 functions->TestProxyTexImage = _mesa_test_proxy_teximage; 1382 1383 functions->AllocTextureStorage = st_AllocTextureStorage; 1384} 1385