st_cb_texture.c revision 5606bd574e264c4beda8eb1d10b48d17e9b8b497
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 GLsizei imageSize, const GLvoid *data) 545{ 546 prep_teximage(ctx, texImage, GL_NONE, GL_NONE); 547 _mesa_store_compressed_teximage(ctx, dims, texImage, imageSize, data); 548} 549 550 551 552/** 553 * glGetTexImage() helper: decompress a compressed texture by rendering 554 * a textured quad. Store the results in the user's buffer. 555 */ 556static void 557decompress_with_blit(struct gl_context * ctx, 558 GLenum format, GLenum type, GLvoid *pixels, 559 struct gl_texture_image *texImage) 560{ 561 struct st_context *st = st_context(ctx); 562 struct pipe_context *pipe = st->pipe; 563 struct st_texture_image *stImage = st_texture_image(texImage); 564 struct st_texture_object *stObj = st_texture_object(texImage->TexObject); 565 struct pipe_sampler_view *src_view; 566 const GLuint width = texImage->Width; 567 const GLuint height = texImage->Height; 568 struct pipe_surface *dst_surface; 569 struct pipe_resource *dst_texture; 570 struct pipe_transfer *tex_xfer; 571 unsigned bind = (PIPE_BIND_RENDER_TARGET | /* util_blit may choose to render */ 572 PIPE_BIND_TRANSFER_READ); 573 574 /* create temp / dest surface */ 575 if (!util_create_rgba_surface(pipe, width, height, bind, 576 &dst_texture, &dst_surface)) { 577 _mesa_problem(ctx, "util_create_rgba_surface() failed " 578 "in decompress_with_blit()"); 579 return; 580 } 581 582 /* Disable conditional rendering. */ 583 if (st->render_condition) { 584 pipe->render_condition(pipe, NULL, 0); 585 } 586 587 /* Create sampler view that limits fetches to the source mipmap level */ 588 { 589 struct pipe_sampler_view sv_temp; 590 591 u_sampler_view_default_template(&sv_temp, stObj->pt, stObj->pt->format); 592 593 sv_temp.format = util_format_linear(sv_temp.format); 594 sv_temp.u.tex.first_level = 595 sv_temp.u.tex.last_level = texImage->Level; 596 597 src_view = pipe->create_sampler_view(pipe, stObj->pt, &sv_temp); 598 if (!src_view) { 599 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glGetTexImage"); 600 return; 601 } 602 } 603 604 /* blit/render/decompress */ 605 util_blit_pixels_tex(st->blit, 606 src_view, /* pipe_resource (src) */ 607 0, 0, /* src x0, y0 */ 608 width, height, /* src x1, y1 */ 609 dst_surface, /* pipe_surface (dst) */ 610 0, 0, /* dst x0, y0 */ 611 width, height, /* dst x1, y1 */ 612 0.0, /* z */ 613 PIPE_TEX_MIPFILTER_NEAREST); 614 615 /* Restore conditional rendering state. */ 616 if (st->render_condition) { 617 pipe->render_condition(pipe, st->render_condition, 618 st->condition_mode); 619 } 620 621 /* map the dst_surface so we can read from it */ 622 tex_xfer = pipe_get_transfer(pipe, 623 dst_texture, 0, 0, 624 PIPE_TRANSFER_READ, 625 0, 0, width, height); 626 627 pixels = _mesa_map_pbo_dest(ctx, &ctx->Pack, pixels); 628 629 /* copy/pack data into user buffer */ 630 if (_mesa_format_matches_format_and_type(stImage->base.TexFormat, 631 format, type, 632 ctx->Pack.SwapBytes)) { 633 /* memcpy */ 634 const uint bytesPerRow = width * util_format_get_blocksize(stImage->pt->format); 635 ubyte *map = pipe_transfer_map(pipe, tex_xfer); 636 GLuint row; 637 for (row = 0; row < height; row++) { 638 GLvoid *dest = _mesa_image_address2d(&ctx->Pack, pixels, width, 639 height, format, type, row, 0); 640 memcpy(dest, map, bytesPerRow); 641 map += tex_xfer->stride; 642 } 643 pipe_transfer_unmap(pipe, tex_xfer); 644 } 645 else { 646 /* format translation via floats */ 647 GLuint row; 648 enum pipe_format pformat = util_format_linear(dst_texture->format); 649 GLfloat *rgba; 650 651 rgba = (GLfloat *) malloc(width * 4 * sizeof(GLfloat)); 652 if (!rgba) { 653 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glGetTexImage()"); 654 goto end; 655 } 656 657 for (row = 0; row < height; row++) { 658 const GLbitfield transferOps = 0x0; /* bypassed for glGetTexImage() */ 659 GLvoid *dest = _mesa_image_address2d(&ctx->Pack, pixels, width, 660 height, format, type, row, 0); 661 662 if (ST_DEBUG & DEBUG_FALLBACK) 663 debug_printf("%s: fallback format translation\n", __FUNCTION__); 664 665 /* get float[4] rgba row from surface */ 666 pipe_get_tile_rgba_format(pipe, tex_xfer, 0, row, width, 1, 667 pformat, rgba); 668 669 _mesa_pack_rgba_span_float(ctx, width, (GLfloat (*)[4]) rgba, format, 670 type, dest, &ctx->Pack, transferOps); 671 } 672 673 free(rgba); 674 } 675 676end: 677 _mesa_unmap_pbo_dest(ctx, &ctx->Pack); 678 679 pipe->transfer_destroy(pipe, tex_xfer); 680 681 /* destroy the temp / dest surface */ 682 util_destroy_rgba_surface(dst_texture, dst_surface); 683 684 pipe_sampler_view_release(pipe, &src_view); 685} 686 687 688 689/** 690 * Called via ctx->Driver.GetTexImage() 691 */ 692static void 693st_GetTexImage(struct gl_context * ctx, 694 GLenum format, GLenum type, GLvoid * pixels, 695 struct gl_texture_image *texImage) 696{ 697 struct st_texture_image *stImage = st_texture_image(texImage); 698 699 if (stImage->pt && util_format_is_s3tc(stImage->pt->format)) { 700 /* Need to decompress the texture. 701 * We'll do this by rendering a textured quad (which is hopefully 702 * faster than using the fallback code in texcompress.c). 703 * Note that we only expect RGBA formats (no Z/depth formats). 704 */ 705 decompress_with_blit(ctx, format, type, pixels, texImage); 706 } 707 else { 708 _mesa_get_teximage(ctx, format, type, pixels, texImage); 709 } 710} 711 712 713/** 714 * Do a CopyTexSubImage operation using a read transfer from the source, 715 * a write transfer to the destination and get_tile()/put_tile() to access 716 * the pixels/texels. 717 * 718 * Note: srcY=0=TOP of renderbuffer 719 */ 720static void 721fallback_copy_texsubimage(struct gl_context *ctx, 722 struct st_renderbuffer *strb, 723 struct st_texture_image *stImage, 724 GLenum baseFormat, 725 GLint destX, GLint destY, GLint destZ, 726 GLint srcX, GLint srcY, 727 GLsizei width, GLsizei height) 728{ 729 struct st_context *st = st_context(ctx); 730 struct pipe_context *pipe = st->pipe; 731 struct pipe_transfer *src_trans; 732 GLvoid *texDest; 733 enum pipe_transfer_usage transfer_usage; 734 735 if (ST_DEBUG & DEBUG_FALLBACK) 736 debug_printf("%s: fallback processing\n", __FUNCTION__); 737 738 if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) { 739 srcY = strb->Base.Height - srcY - height; 740 } 741 742 src_trans = pipe_get_transfer(pipe, 743 strb->texture, 744 strb->rtt_level, 745 strb->rtt_face + strb->rtt_slice, 746 PIPE_TRANSFER_READ, 747 srcX, srcY, 748 width, height); 749 750 if ((baseFormat == GL_DEPTH_COMPONENT || 751 baseFormat == GL_DEPTH_STENCIL) && 752 util_format_is_depth_and_stencil(stImage->pt->format)) 753 transfer_usage = PIPE_TRANSFER_READ_WRITE; 754 else 755 transfer_usage = PIPE_TRANSFER_WRITE; 756 757 /* XXX this used to ignore destZ param */ 758 texDest = st_texture_image_map(st, stImage, destZ, transfer_usage, 759 destX, destY, width, height); 760 761 if (baseFormat == GL_DEPTH_COMPONENT || 762 baseFormat == GL_DEPTH_STENCIL) { 763 const GLboolean scaleOrBias = (ctx->Pixel.DepthScale != 1.0F || 764 ctx->Pixel.DepthBias != 0.0F); 765 GLint row, yStep; 766 uint *data; 767 768 /* determine bottom-to-top vs. top-to-bottom order for src buffer */ 769 if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) { 770 srcY = height - 1; 771 yStep = -1; 772 } 773 else { 774 srcY = 0; 775 yStep = 1; 776 } 777 778 data = (uint *) malloc(width * sizeof(uint)); 779 780 if (data) { 781 /* To avoid a large temp memory allocation, do copy row by row */ 782 for (row = 0; row < height; row++, srcY += yStep) { 783 pipe_get_tile_z(pipe, src_trans, 0, srcY, width, 1, data); 784 if (scaleOrBias) { 785 _mesa_scale_and_bias_depth_uint(ctx, width, data); 786 } 787 pipe_put_tile_z(pipe, stImage->transfer, 0, row, width, 1, data); 788 } 789 } 790 else { 791 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexSubImage()"); 792 } 793 794 free(data); 795 } 796 else { 797 /* RGBA format */ 798 GLfloat *tempSrc = 799 (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat)); 800 801 if (tempSrc && texDest) { 802 const GLint dims = 2; 803 const GLint dstRowStride = stImage->transfer->stride; 804 struct gl_texture_image *texImage = &stImage->base; 805 struct gl_pixelstore_attrib unpack = ctx->DefaultPacking; 806 807 if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) { 808 unpack.Invert = GL_TRUE; 809 } 810 811 /* get float/RGBA image from framebuffer */ 812 /* XXX this usually involves a lot of int/float conversion. 813 * try to avoid that someday. 814 */ 815 pipe_get_tile_rgba_format(pipe, src_trans, 0, 0, width, height, 816 util_format_linear(strb->texture->format), 817 tempSrc); 818 819 /* Store into texture memory. 820 * Note that this does some special things such as pixel transfer 821 * ops and format conversion. In particular, if the dest tex format 822 * is actually RGBA but the user created the texture as GL_RGB we 823 * need to fill-in/override the alpha channel with 1.0. 824 */ 825 _mesa_texstore(ctx, dims, 826 texImage->_BaseFormat, 827 texImage->TexFormat, 828 dstRowStride, 829 (GLubyte **) &texDest, 830 width, height, 1, 831 GL_RGBA, GL_FLOAT, tempSrc, /* src */ 832 &unpack); 833 } 834 else { 835 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage"); 836 } 837 838 if (tempSrc) 839 free(tempSrc); 840 } 841 842 st_texture_image_unmap(st, stImage); 843 pipe->transfer_destroy(pipe, src_trans); 844} 845 846 847 848/** 849 * If the format of the src renderbuffer and the format of the dest 850 * texture are compatible (in terms of blitting), return a TGSI writemask 851 * to be used during the blit. 852 * If the src/dest are incompatible, return 0. 853 */ 854static unsigned 855compatible_src_dst_formats(struct gl_context *ctx, 856 const struct gl_renderbuffer *src, 857 const struct gl_texture_image *dst) 858{ 859 /* Get logical base formats for the src and dest. 860 * That is, use the user-requested formats and not the actual, device- 861 * chosen formats. 862 * For example, the user may have requested an A8 texture but the 863 * driver may actually be using an RGBA texture format. When we 864 * copy/blit to that texture, we only want to copy the Alpha channel 865 * and not the RGB channels. 866 * 867 * Similarly, when the src FBO was created an RGB format may have been 868 * requested but the driver actually chose an RGBA format. In that case, 869 * we don't want to copy the undefined Alpha channel to the dest texture 870 * (it should be 1.0). 871 */ 872 const GLenum srcFormat = _mesa_base_fbo_format(ctx, src->InternalFormat); 873 const GLenum dstFormat = _mesa_base_tex_format(ctx, dst->InternalFormat); 874 875 /** 876 * XXX when we have red-only and red/green renderbuffers we'll need 877 * to add more cases here (or implement a general-purpose routine that 878 * queries the existance of the R,G,B,A channels in the src and dest). 879 */ 880 if (srcFormat == dstFormat) { 881 /* This is the same as matching_base_formats, which should 882 * always pass, as it did previously. 883 */ 884 return TGSI_WRITEMASK_XYZW; 885 } 886 else if (srcFormat == GL_RGB && dstFormat == GL_RGBA) { 887 /* Make sure that A in the dest is 1. The actual src format 888 * may be RGBA and have undefined A values. 889 */ 890 return TGSI_WRITEMASK_XYZ; 891 } 892 else if (srcFormat == GL_RGBA && dstFormat == GL_RGB) { 893 /* Make sure that A in the dest is 1. The actual dst format 894 * may be RGBA and will need A=1 to provide proper alpha values 895 * when sampled later. 896 */ 897 return TGSI_WRITEMASK_XYZ; 898 } 899 else { 900 if (ST_DEBUG & DEBUG_FALLBACK) 901 debug_printf("%s failed for src %s, dst %s\n", 902 __FUNCTION__, 903 _mesa_lookup_enum_by_nr(srcFormat), 904 _mesa_lookup_enum_by_nr(dstFormat)); 905 906 /* Otherwise fail. 907 */ 908 return 0; 909 } 910} 911 912 913 914/** 915 * Do a CopyTex[Sub]Image1/2/3D() using a hardware (blit) path if possible. 916 * Note that the region to copy has already been clipped so we know we 917 * won't read from outside the source renderbuffer's bounds. 918 * 919 * Note: srcY=0=Bottom of renderbuffer (GL convention) 920 */ 921static void 922st_CopyTexSubImage(struct gl_context *ctx, GLuint dims, 923 struct gl_texture_image *texImage, 924 GLint destX, GLint destY, GLint destZ, 925 struct gl_renderbuffer *rb, 926 GLint srcX, GLint srcY, GLsizei width, GLsizei height) 927{ 928 struct st_texture_image *stImage = st_texture_image(texImage); 929 const GLenum texBaseFormat = texImage->_BaseFormat; 930 struct gl_framebuffer *fb = ctx->ReadBuffer; 931 struct st_renderbuffer *strb; 932 struct st_context *st = st_context(ctx); 933 struct pipe_context *pipe = st->pipe; 934 struct pipe_screen *screen = pipe->screen; 935 enum pipe_format dest_format, src_format; 936 GLboolean matching_base_formats; 937 GLuint color_writemask, zs_writemask, sample_count; 938 struct pipe_surface *dest_surface = NULL; 939 GLboolean do_flip = (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP); 940 struct pipe_surface surf_tmpl; 941 unsigned int dst_usage; 942 GLint srcY0, srcY1; 943 944 /* make sure finalize_textures has been called? 945 */ 946 if (0) st_validate_state(st); 947 948 /* determine if copying depth or color data */ 949 if (texBaseFormat == GL_DEPTH_COMPONENT || 950 texBaseFormat == GL_DEPTH_STENCIL) { 951 strb = st_renderbuffer(fb->Attachment[BUFFER_DEPTH].Renderbuffer); 952 } 953 else { 954 /* texBaseFormat == GL_RGB, GL_RGBA, GL_ALPHA, etc */ 955 strb = st_renderbuffer(fb->_ColorReadBuffer); 956 } 957 958 if (!strb || !strb->surface || !stImage->pt) { 959 debug_printf("%s: null strb or stImage\n", __FUNCTION__); 960 return; 961 } 962 963 sample_count = strb->surface->texture->nr_samples; 964 /* I believe this would be legal, presumably would need to do a resolve 965 for color, and for depth/stencil spec says to just use one of the 966 depth/stencil samples per pixel? Need some transfer clarifications. */ 967 assert(sample_count < 2); 968 969 assert(strb); 970 assert(strb->surface); 971 assert(stImage->pt); 972 973 src_format = strb->surface->format; 974 dest_format = stImage->pt->format; 975 976 /* 977 * Determine if the src framebuffer and dest texture have the same 978 * base format. We need this to detect a case such as the framebuffer 979 * being GL_RGBA but the texture being GL_RGB. If the actual hardware 980 * texture format stores RGBA we need to set A=1 (overriding the 981 * framebuffer's alpha values). We can't do that with the blit or 982 * textured-quad paths. 983 */ 984 matching_base_formats = 985 (_mesa_get_format_base_format(strb->Base.Format) == 986 _mesa_get_format_base_format(texImage->TexFormat)); 987 988 if (ctx->_ImageTransferState) { 989 goto fallback; 990 } 991 992 if (matching_base_formats && 993 src_format == dest_format && 994 !do_flip) { 995 /* use surface_copy() / blit */ 996 struct pipe_box src_box; 997 unsigned dstLevel; 998 999 u_box_2d_zslice(srcX, srcY, strb->surface->u.tex.first_layer, 1000 width, height, &src_box); 1001 1002 /* If stImage->pt is an independent image (not a pointer into a full 1003 * mipmap) stImage->pt.last_level will be zero and we need to use that 1004 * as the dest level. 1005 */ 1006 dstLevel = MIN2(stImage->base.Level, stImage->pt->last_level); 1007 1008 /* for resource_copy_region(), y=0=top, always */ 1009 pipe->resource_copy_region(pipe, 1010 /* dest */ 1011 stImage->pt, 1012 dstLevel, 1013 destX, destY, destZ + stImage->base.Face, 1014 /* src */ 1015 strb->texture, 1016 strb->surface->u.tex.level, 1017 &src_box); 1018 return; 1019 } 1020 1021 if (texBaseFormat == GL_DEPTH_STENCIL) { 1022 goto fallback; 1023 } 1024 1025 if (texBaseFormat == GL_DEPTH_COMPONENT) { 1026 color_writemask = 0; 1027 zs_writemask = BLIT_WRITEMASK_Z; 1028 dst_usage = PIPE_BIND_DEPTH_STENCIL; 1029 } 1030 else { 1031 color_writemask = compatible_src_dst_formats(ctx, &strb->Base, texImage); 1032 zs_writemask = 0; 1033 dst_usage = PIPE_BIND_RENDER_TARGET; 1034 } 1035 1036 if ((!color_writemask && !zs_writemask) || 1037 !screen->is_format_supported(screen, src_format, 1038 PIPE_TEXTURE_2D, sample_count, 1039 PIPE_BIND_SAMPLER_VIEW) || 1040 !screen->is_format_supported(screen, dest_format, 1041 PIPE_TEXTURE_2D, 0, 1042 dst_usage)) { 1043 goto fallback; 1044 } 1045 1046 if (do_flip) { 1047 srcY1 = strb->Base.Height - srcY - height; 1048 srcY0 = srcY1 + height; 1049 } 1050 else { 1051 srcY0 = srcY; 1052 srcY1 = srcY0 + height; 1053 } 1054 1055 /* Disable conditional rendering. */ 1056 if (st->render_condition) { 1057 pipe->render_condition(pipe, NULL, 0); 1058 } 1059 1060 memset(&surf_tmpl, 0, sizeof(surf_tmpl)); 1061 surf_tmpl.format = util_format_linear(stImage->pt->format); 1062 surf_tmpl.usage = dst_usage; 1063 surf_tmpl.u.tex.level = stImage->base.Level; 1064 surf_tmpl.u.tex.first_layer = stImage->base.Face + destZ; 1065 surf_tmpl.u.tex.last_layer = stImage->base.Face + destZ; 1066 1067 dest_surface = pipe->create_surface(pipe, stImage->pt, 1068 &surf_tmpl); 1069 util_blit_pixels(st->blit, 1070 strb->texture, 1071 strb->surface->u.tex.level, 1072 srcX, srcY0, 1073 srcX + width, srcY1, 1074 strb->surface->u.tex.first_layer, 1075 dest_surface, 1076 destX, destY, 1077 destX + width, destY + height, 1078 0.0, PIPE_TEX_MIPFILTER_NEAREST, 1079 color_writemask, zs_writemask); 1080 pipe_surface_reference(&dest_surface, NULL); 1081 1082 /* Restore conditional rendering state. */ 1083 if (st->render_condition) { 1084 pipe->render_condition(pipe, st->render_condition, 1085 st->condition_mode); 1086 } 1087 1088 return; 1089 1090fallback: 1091 /* software fallback */ 1092 fallback_copy_texsubimage(ctx, 1093 strb, stImage, texBaseFormat, 1094 destX, destY, destZ, 1095 srcX, srcY, width, height); 1096} 1097 1098 1099/** 1100 * Copy image data from stImage into the texture object 'stObj' at level 1101 * 'dstLevel'. 1102 */ 1103static void 1104copy_image_data_to_texture(struct st_context *st, 1105 struct st_texture_object *stObj, 1106 GLuint dstLevel, 1107 struct st_texture_image *stImage) 1108{ 1109 /* debug checks */ 1110 { 1111 const struct gl_texture_image *dstImage = 1112 stObj->base.Image[stImage->base.Face][dstLevel]; 1113 assert(dstImage); 1114 assert(dstImage->Width == stImage->base.Width); 1115 assert(dstImage->Height == stImage->base.Height); 1116 assert(dstImage->Depth == stImage->base.Depth); 1117 } 1118 1119 if (stImage->pt) { 1120 /* Copy potentially with the blitter: 1121 */ 1122 GLuint src_level; 1123 if (stImage->pt != stObj->pt) 1124 src_level = 0; 1125 else 1126 src_level = stImage->base.Level; 1127 1128 st_texture_image_copy(st->pipe, 1129 stObj->pt, dstLevel, /* dest texture, level */ 1130 stImage->pt, src_level, /* src texture, level */ 1131 stImage->base.Face); 1132 1133 pipe_resource_reference(&stImage->pt, NULL); 1134 } 1135 else if (stImage->TexData) { 1136 /* Copy from malloc'd memory */ 1137 /* XXX this should be re-examined/tested with a compressed format */ 1138 GLuint blockSize = util_format_get_blocksize(stObj->pt->format); 1139 GLuint srcRowStride = stImage->base.Width * blockSize; 1140 GLuint srcSliceStride = stImage->base.Height * srcRowStride; 1141 st_texture_image_data(st, 1142 stObj->pt, 1143 stImage->base.Face, 1144 dstLevel, 1145 stImage->TexData, 1146 srcRowStride, 1147 srcSliceStride); 1148 _mesa_align_free(stImage->TexData); 1149 stImage->TexData = NULL; 1150 } 1151 1152 pipe_resource_reference(&stImage->pt, stObj->pt); 1153} 1154 1155 1156/** 1157 * Called during state validation. When this function is finished, 1158 * the texture object should be ready for rendering. 1159 * \return GL_TRUE for success, GL_FALSE for failure (out of mem) 1160 */ 1161GLboolean 1162st_finalize_texture(struct gl_context *ctx, 1163 struct pipe_context *pipe, 1164 struct gl_texture_object *tObj) 1165{ 1166 struct st_context *st = st_context(ctx); 1167 struct st_texture_object *stObj = st_texture_object(tObj); 1168 const GLuint nr_faces = (stObj->base.Target == GL_TEXTURE_CUBE_MAP) ? 6 : 1; 1169 GLuint face; 1170 struct st_texture_image *firstImage; 1171 enum pipe_format firstImageFormat; 1172 GLuint ptWidth, ptHeight, ptDepth, ptLayers; 1173 1174 if (_mesa_is_texture_complete(tObj, &tObj->Sampler)) { 1175 /* The texture is complete and we know exactly how many mipmap levels 1176 * are present/needed. This is conditional because we may be called 1177 * from the st_generate_mipmap() function when the texture object is 1178 * incomplete. In that case, we'll have set stObj->lastLevel before 1179 * we get here. 1180 */ 1181 if (stObj->base.Sampler.MinFilter == GL_LINEAR || 1182 stObj->base.Sampler.MinFilter == GL_NEAREST) 1183 stObj->lastLevel = stObj->base.BaseLevel; 1184 else 1185 stObj->lastLevel = stObj->base._MaxLevel; 1186 } 1187 1188 firstImage = st_texture_image(stObj->base.Image[0][stObj->base.BaseLevel]); 1189 assert(firstImage); 1190 1191 /* If both firstImage and stObj point to a texture which can contain 1192 * all active images, favour firstImage. Note that because of the 1193 * completeness requirement, we know that the image dimensions 1194 * will match. 1195 */ 1196 if (firstImage->pt && 1197 firstImage->pt != stObj->pt && 1198 (!stObj->pt || firstImage->pt->last_level >= stObj->pt->last_level)) { 1199 pipe_resource_reference(&stObj->pt, firstImage->pt); 1200 pipe_sampler_view_release(st->pipe, &stObj->sampler_view); 1201 } 1202 1203 /* Find gallium format for the Mesa texture */ 1204 firstImageFormat = st_mesa_format_to_pipe_format(firstImage->base.TexFormat); 1205 1206 /* Find size of level=0 Gallium mipmap image, plus number of texture layers */ 1207 { 1208 GLuint width, height, depth; 1209 if (!guess_base_level_size(stObj->base.Target, 1210 firstImage->base.Width2, 1211 firstImage->base.Height2, 1212 firstImage->base.Depth2, 1213 firstImage->base.Level, 1214 &width, &height, &depth)) { 1215 width = stObj->width0; 1216 height = stObj->height0; 1217 depth = stObj->depth0; 1218 } 1219 /* convert GL dims to Gallium dims */ 1220 st_gl_texture_dims_to_pipe_dims(stObj->base.Target, width, height, depth, 1221 &ptWidth, &ptHeight, &ptDepth, &ptLayers); 1222 } 1223 1224 /* If we already have a gallium texture, check that it matches the texture 1225 * object's format, target, size, num_levels, etc. 1226 */ 1227 if (stObj->pt) { 1228 if (stObj->pt->target != gl_target_to_pipe(stObj->base.Target) || 1229 !st_sampler_compat_formats(stObj->pt->format, firstImageFormat) || 1230 stObj->pt->last_level < stObj->lastLevel || 1231 stObj->pt->width0 != ptWidth || 1232 stObj->pt->height0 != ptHeight || 1233 stObj->pt->depth0 != ptDepth || 1234 stObj->pt->array_size != ptLayers) 1235 { 1236 /* The gallium texture does not match the Mesa texture so delete the 1237 * gallium texture now. We'll make a new one below. 1238 */ 1239 pipe_resource_reference(&stObj->pt, NULL); 1240 pipe_sampler_view_release(st->pipe, &stObj->sampler_view); 1241 st->dirty.st |= ST_NEW_FRAMEBUFFER; 1242 } 1243 } 1244 1245 /* May need to create a new gallium texture: 1246 */ 1247 if (!stObj->pt) { 1248 GLuint bindings = default_bindings(st, firstImageFormat); 1249 1250 stObj->pt = st_texture_create(st, 1251 gl_target_to_pipe(stObj->base.Target), 1252 firstImageFormat, 1253 stObj->lastLevel, 1254 ptWidth, 1255 ptHeight, 1256 ptDepth, 1257 ptLayers, 1258 bindings); 1259 1260 if (!stObj->pt) { 1261 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage"); 1262 return GL_FALSE; 1263 } 1264 } 1265 1266 /* Pull in any images not in the object's texture: 1267 */ 1268 for (face = 0; face < nr_faces; face++) { 1269 GLuint level; 1270 for (level = stObj->base.BaseLevel; level <= stObj->lastLevel; level++) { 1271 struct st_texture_image *stImage = 1272 st_texture_image(stObj->base.Image[face][level]); 1273 1274 /* Need to import images in main memory or held in other textures. 1275 */ 1276 if (stImage && stObj->pt != stImage->pt) { 1277 if (level == 0 || 1278 (stImage->base.Width == u_minify(stObj->width0, level) && 1279 stImage->base.Height == u_minify(stObj->height0, level) && 1280 stImage->base.Depth == u_minify(stObj->depth0, level))) { 1281 /* src image fits expected dest mipmap level size */ 1282 copy_image_data_to_texture(st, stObj, level, stImage); 1283 } 1284 } 1285 } 1286 } 1287 1288 return GL_TRUE; 1289} 1290 1291 1292/** 1293 * Called via ctx->Driver.AllocTextureStorage() to allocate texture memory 1294 * for a whole mipmap stack. 1295 */ 1296static GLboolean 1297st_AllocTextureStorage(struct gl_context *ctx, 1298 struct gl_texture_object *texObj, 1299 GLsizei levels, GLsizei width, 1300 GLsizei height, GLsizei depth) 1301{ 1302 const GLuint numFaces = (texObj->Target == GL_TEXTURE_CUBE_MAP) ? 6 : 1; 1303 struct st_context *st = st_context(ctx); 1304 struct st_texture_object *stObj = st_texture_object(texObj); 1305 GLuint ptWidth, ptHeight, ptDepth, ptLayers, bindings; 1306 enum pipe_format fmt; 1307 GLint level; 1308 1309 assert(levels > 0); 1310 1311 /* Save the level=0 dimensions */ 1312 stObj->width0 = width; 1313 stObj->height0 = height; 1314 stObj->depth0 = depth; 1315 stObj->lastLevel = levels - 1; 1316 1317 fmt = st_mesa_format_to_pipe_format(texObj->Image[0][0]->TexFormat); 1318 1319 bindings = default_bindings(st, fmt); 1320 1321 st_gl_texture_dims_to_pipe_dims(texObj->Target, 1322 width, height, depth, 1323 &ptWidth, &ptHeight, &ptDepth, &ptLayers); 1324 1325 stObj->pt = st_texture_create(st, 1326 gl_target_to_pipe(texObj->Target), 1327 fmt, 1328 levels, 1329 ptWidth, 1330 ptHeight, 1331 ptDepth, 1332 ptLayers, 1333 bindings); 1334 if (!stObj->pt) 1335 return GL_FALSE; 1336 1337 /* Set image resource pointers */ 1338 for (level = 0; level < levels; level++) { 1339 GLuint face; 1340 for (face = 0; face < numFaces; face++) { 1341 struct st_texture_image *stImage = 1342 st_texture_image(texObj->Image[face][level]); 1343 pipe_resource_reference(&stImage->pt, stObj->pt); 1344 } 1345 } 1346 1347 return GL_TRUE; 1348} 1349 1350 1351 1352void 1353st_init_texture_functions(struct dd_function_table *functions) 1354{ 1355 functions->ChooseTextureFormat = st_ChooseTextureFormat; 1356 functions->TexImage = st_TexImage; 1357 functions->TexSubImage = _mesa_store_texsubimage; 1358 functions->CompressedTexSubImage = _mesa_store_compressed_texsubimage; 1359 functions->CopyTexSubImage = st_CopyTexSubImage; 1360 functions->GenerateMipmap = st_generate_mipmap; 1361 1362 functions->GetTexImage = st_GetTexImage; 1363 1364 /* compressed texture functions */ 1365 functions->CompressedTexImage = st_CompressedTexImage; 1366 functions->GetCompressedTexImage = _mesa_get_compressed_teximage; 1367 1368 functions->NewTextureObject = st_NewTextureObject; 1369 functions->NewTextureImage = st_NewTextureImage; 1370 functions->DeleteTextureImage = st_DeleteTextureImage; 1371 functions->DeleteTexture = st_DeleteTextureObject; 1372 functions->AllocTextureImageBuffer = st_AllocTextureImageBuffer; 1373 functions->FreeTextureImageBuffer = st_FreeTextureImageBuffer; 1374 functions->MapTextureImage = st_MapTextureImage; 1375 functions->UnmapTextureImage = st_UnmapTextureImage; 1376 1377 /* XXX Temporary until we can query pipe's texture sizes */ 1378 functions->TestProxyTexImage = _mesa_test_proxy_teximage; 1379 1380 functions->AllocTextureStorage = st_AllocTextureStorage; 1381} 1382