nouveau_texture.c revision 5606bd574e264c4beda8eb1d10b48d17e9b8b497
1/* 2 * Copyright (C) 2009 Francisco Jerez. 3 * All Rights Reserved. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining 6 * a copy of this software and associated documentation files (the 7 * "Software"), to deal in the Software without restriction, including 8 * without limitation the rights to use, copy, modify, merge, publish, 9 * distribute, sublicense, and/or sell copies of the Software, and to 10 * permit persons to whom the Software is furnished to do so, subject to 11 * the following conditions: 12 * 13 * The above copyright notice and this permission notice (including the 14 * next paragraph) shall be included in all copies or substantial 15 * portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE 21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 24 * 25 */ 26 27#include "nouveau_driver.h" 28#include "nouveau_context.h" 29#include "nouveau_texture.h" 30#include "nouveau_fbo.h" 31#include "nouveau_util.h" 32 33#include "main/pbo.h" 34#include "main/texobj.h" 35#include "main/texstore.h" 36#include "main/texformat.h" 37#include "main/texcompress.h" 38#include "main/texgetimage.h" 39#include "main/mipmap.h" 40#include "main/teximage.h" 41#include "drivers/common/meta.h" 42#include "swrast/s_texfetch.h" 43 44static struct gl_texture_object * 45nouveau_texture_new(struct gl_context *ctx, GLuint name, GLenum target) 46{ 47 struct nouveau_texture *nt = CALLOC_STRUCT(nouveau_texture); 48 49 _mesa_initialize_texture_object(&nt->base, name, target); 50 51 return &nt->base; 52} 53 54static void 55nouveau_texture_free(struct gl_context *ctx, struct gl_texture_object *t) 56{ 57 struct nouveau_texture *nt = to_nouveau_texture(t); 58 int i; 59 60 for (i = 0; i < MAX_TEXTURE_LEVELS; i++) 61 nouveau_surface_ref(NULL, &nt->surfaces[i]); 62 63 _mesa_delete_texture_object(ctx, t); 64} 65 66static struct gl_texture_image * 67nouveau_teximage_new(struct gl_context *ctx) 68{ 69 struct nouveau_teximage *nti = CALLOC_STRUCT(nouveau_teximage); 70 71 return &nti->base.Base; 72} 73 74static void 75nouveau_teximage_free(struct gl_context *ctx, struct gl_texture_image *ti) 76{ 77 struct nouveau_teximage *nti = to_nouveau_teximage(ti); 78 79 nouveau_surface_ref(NULL, &nti->surface); 80} 81 82static void 83nouveau_teximage_map(struct gl_context *ctx, struct gl_texture_image *ti, 84 int access, int x, int y, int w, int h) 85{ 86 struct nouveau_teximage *nti = to_nouveau_teximage(ti); 87 struct nouveau_surface *s = &nti->surface; 88 struct nouveau_surface *st = &nti->transfer.surface; 89 struct nouveau_client *client = context_client(ctx); 90 91 if (s->bo) { 92 if (!(access & GL_MAP_READ_BIT) && 93 nouveau_pushbuf_refd(context_push(ctx), s->bo)) { 94 unsigned size; 95 /* 96 * Heuristic: use a bounce buffer to pipeline 97 * teximage transfers. 98 */ 99 st->layout = LINEAR; 100 st->format = s->format; 101 st->cpp = s->cpp; 102 st->width = w; 103 st->height = h; 104 st->pitch = s->pitch; 105 nti->transfer.x = x; 106 nti->transfer.y = y; 107 108 size = get_format_blocksy(st->format, h) * st->pitch; 109 nti->base.Map = nouveau_get_scratch(ctx, size, 110 &st->bo, &st->offset); 111 112 } else { 113 int ret, flags = 0; 114 115 if (access & GL_MAP_READ_BIT) 116 flags |= NOUVEAU_BO_RD; 117 if (access & GL_MAP_WRITE_BIT) 118 flags |= NOUVEAU_BO_WR; 119 120 if (!s->bo->map) { 121 ret = nouveau_bo_map(s->bo, flags, client); 122 assert(!ret); 123 } 124 125 nti->base.Map = s->bo->map + 126 get_format_blocksy(s->format, y) * s->pitch + 127 get_format_blocksx(s->format, x) * s->cpp; 128 129 } 130 } 131} 132 133static void 134nouveau_teximage_unmap(struct gl_context *ctx, struct gl_texture_image *ti) 135{ 136 struct nouveau_teximage *nti = to_nouveau_teximage(ti); 137 struct nouveau_surface *s = &nti->surface; 138 struct nouveau_surface *st = &nti->transfer.surface; 139 140 if (st->bo) { 141 context_drv(ctx)->surface_copy(ctx, s, st, nti->transfer.x, 142 nti->transfer.y, 0, 0, 143 st->width, st->height); 144 nouveau_surface_ref(NULL, st); 145 146 } 147 nti->base.Map = NULL; 148} 149 150 151static void 152nouveau_map_texture_image(struct gl_context *ctx, 153 struct gl_texture_image *ti, 154 GLuint slice, 155 GLuint x, GLuint y, GLuint w, GLuint h, 156 GLbitfield mode, 157 GLubyte **map, 158 GLint *stride) 159{ 160 struct nouveau_teximage *nti = to_nouveau_teximage(ti); 161 struct nouveau_surface *s = &nti->surface; 162 struct nouveau_surface *st = &nti->transfer.surface; 163 struct nouveau_client *client = context_client(ctx); 164 165 /* Nouveau has no support for 3D or cubemap textures. */ 166 assert(slice == 0); 167 168 if (s->bo) { 169 if (!(mode & GL_MAP_READ_BIT) && 170 nouveau_pushbuf_refd(context_push(ctx), s->bo)) { 171 unsigned size; 172 /* 173 * Heuristic: use a bounce buffer to pipeline 174 * teximage transfers. 175 */ 176 st->layout = LINEAR; 177 st->format = s->format; 178 st->cpp = s->cpp; 179 st->width = w; 180 st->height = h; 181 st->pitch = s->pitch; 182 nti->transfer.x = x; 183 nti->transfer.y = y; 184 185 size = get_format_blocksy(st->format, h) * st->pitch; 186 *map = nouveau_get_scratch(ctx, size, 187 &st->bo, &st->offset); 188 *stride = st->pitch; 189 } else { 190 int ret, flags = 0; 191 192 if (mode & GL_MAP_READ_BIT) 193 flags |= NOUVEAU_BO_RD; 194 if (mode & GL_MAP_WRITE_BIT) 195 flags |= NOUVEAU_BO_WR; 196 197 if (!s->bo->map) { 198 ret = nouveau_bo_map(s->bo, flags, client); 199 assert(!ret); 200 } 201 202 *map = s->bo->map + 203 get_format_blocksy(s->format, y) * s->pitch + 204 get_format_blocksx(s->format, x) * s->cpp; 205 *stride = s->pitch; 206 } 207 } else { 208 *map = nti->base.Map + 209 get_format_blocksy(s->format, y) * s->pitch + 210 get_format_blocksx(s->format, x) * s->cpp; 211 *stride = s->pitch; 212 } 213} 214 215static void 216nouveau_unmap_texture_image(struct gl_context *ctx, struct gl_texture_image *ti, 217 GLuint slice) 218{ 219 struct nouveau_teximage *nti = to_nouveau_teximage(ti); 220 struct nouveau_surface *s = &nti->surface; 221 struct nouveau_surface *st = &nti->transfer.surface; 222 223 if (st->bo) { 224 context_drv(ctx)->surface_copy(ctx, s, st, nti->transfer.x, 225 nti->transfer.y, 0, 0, 226 st->width, st->height); 227 nouveau_surface_ref(NULL, st); 228 229 } 230 231 nti->base.Map = NULL; 232} 233 234static gl_format 235nouveau_choose_tex_format(struct gl_context *ctx, GLint internalFormat, 236 GLenum srcFormat, GLenum srcType) 237{ 238 switch (internalFormat) { 239 case 4: 240 case GL_RGBA: 241 case GL_RGBA2: 242 case GL_RGBA4: 243 case GL_RGBA8: 244 case GL_RGBA12: 245 case GL_RGBA16: 246 case GL_RGB10_A2: 247 case GL_COMPRESSED_RGBA: 248 return MESA_FORMAT_ARGB8888; 249 case GL_RGB5_A1: 250 return MESA_FORMAT_ARGB1555; 251 252 case GL_RGB: 253 case GL_RGB8: 254 case GL_RGB10: 255 case GL_RGB12: 256 case GL_RGB16: 257 case GL_COMPRESSED_RGB: 258 return MESA_FORMAT_XRGB8888; 259 case 3: 260 case GL_R3_G3_B2: 261 case GL_RGB4: 262 case GL_RGB5: 263 return MESA_FORMAT_RGB565; 264 265 case 2: 266 case GL_LUMINANCE_ALPHA: 267 case GL_LUMINANCE4_ALPHA4: 268 case GL_LUMINANCE6_ALPHA2: 269 case GL_LUMINANCE12_ALPHA4: 270 case GL_LUMINANCE12_ALPHA12: 271 case GL_LUMINANCE16_ALPHA16: 272 case GL_LUMINANCE8_ALPHA8: 273 case GL_COMPRESSED_LUMINANCE_ALPHA: 274 return MESA_FORMAT_ARGB8888; 275 276 case 1: 277 case GL_LUMINANCE: 278 case GL_LUMINANCE4: 279 case GL_LUMINANCE12: 280 case GL_LUMINANCE16: 281 case GL_LUMINANCE8: 282 case GL_COMPRESSED_LUMINANCE: 283 return MESA_FORMAT_L8; 284 285 case GL_ALPHA: 286 case GL_ALPHA4: 287 case GL_ALPHA12: 288 case GL_ALPHA16: 289 case GL_ALPHA8: 290 case GL_COMPRESSED_ALPHA: 291 return MESA_FORMAT_A8; 292 293 case GL_INTENSITY: 294 case GL_INTENSITY4: 295 case GL_INTENSITY12: 296 case GL_INTENSITY16: 297 case GL_INTENSITY8: 298 return MESA_FORMAT_I8; 299 300 case GL_RGB_S3TC: 301 case GL_RGB4_S3TC: 302 case GL_COMPRESSED_RGB_S3TC_DXT1_EXT: 303 return MESA_FORMAT_RGB_DXT1; 304 305 case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: 306 return MESA_FORMAT_RGBA_DXT1; 307 308 case GL_RGBA_S3TC: 309 case GL_RGBA4_S3TC: 310 case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT: 311 return MESA_FORMAT_RGBA_DXT3; 312 313 case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT: 314 return MESA_FORMAT_RGBA_DXT5; 315 316 default: 317 assert(0); 318 } 319} 320 321static GLboolean 322teximage_fits(struct gl_texture_object *t, int level) 323{ 324 struct nouveau_surface *s = &to_nouveau_texture(t)->surfaces[level]; 325 struct gl_texture_image *ti = t->Image[0][level]; 326 327 if (!ti || !to_nouveau_teximage(ti)->surface.bo) 328 return GL_FALSE; 329 330 if (level == t->BaseLevel && (s->offset & 0x7f)) 331 return GL_FALSE; 332 333 return t->Target == GL_TEXTURE_RECTANGLE || 334 (s->bo && s->format == ti->TexFormat && 335 s->width == ti->Width && s->height == ti->Height); 336} 337 338static GLboolean 339validate_teximage(struct gl_context *ctx, struct gl_texture_object *t, 340 int level, int x, int y, int z, 341 int width, int height, int depth) 342{ 343 struct gl_texture_image *ti = t->Image[0][level]; 344 345 if (teximage_fits(t, level)) { 346 struct nouveau_surface *ss = to_nouveau_texture(t)->surfaces; 347 struct nouveau_surface *s = &to_nouveau_teximage(ti)->surface; 348 349 if (t->Target == GL_TEXTURE_RECTANGLE) 350 nouveau_surface_ref(s, &ss[level]); 351 else 352 context_drv(ctx)->surface_copy(ctx, &ss[level], s, 353 x, y, x, y, 354 width, height); 355 356 return GL_TRUE; 357 } 358 359 return GL_FALSE; 360} 361 362static int 363get_last_level(struct gl_texture_object *t) 364{ 365 struct gl_texture_image *base = t->Image[0][t->BaseLevel]; 366 367 if (t->Sampler.MinFilter == GL_NEAREST || 368 t->Sampler.MinFilter == GL_LINEAR || !base) 369 return t->BaseLevel; 370 else 371 return MIN2(t->BaseLevel + base->MaxLog2, t->MaxLevel); 372} 373 374static void 375relayout_texture(struct gl_context *ctx, struct gl_texture_object *t) 376{ 377 struct gl_texture_image *base = t->Image[0][t->BaseLevel]; 378 379 if (base && t->Target != GL_TEXTURE_RECTANGLE) { 380 struct nouveau_surface *ss = to_nouveau_texture(t)->surfaces; 381 struct nouveau_surface *s = &to_nouveau_teximage(base)->surface; 382 int i, ret, last = get_last_level(t); 383 enum nouveau_surface_layout layout = 384 (_mesa_is_format_compressed(s->format) ? LINEAR : SWIZZLED); 385 unsigned size, pitch, offset = 0, 386 width = s->width, 387 height = s->height; 388 389 /* Deallocate the old storage. */ 390 for (i = 0; i < MAX_TEXTURE_LEVELS; i++) 391 nouveau_bo_ref(NULL, &ss[i].bo); 392 393 /* Relayout the mipmap tree. */ 394 for (i = t->BaseLevel; i <= last; i++) { 395 pitch = _mesa_format_row_stride(s->format, width); 396 size = get_format_blocksy(s->format, height) * pitch; 397 398 /* Images larger than 16B have to be aligned. */ 399 if (size > 16) 400 offset = align(offset, 64); 401 402 ss[i] = (struct nouveau_surface) { 403 .offset = offset, 404 .layout = layout, 405 .format = s->format, 406 .width = width, 407 .height = height, 408 .cpp = s->cpp, 409 .pitch = pitch, 410 }; 411 412 offset += size; 413 width = MAX2(1, width / 2); 414 height = MAX2(1, height / 2); 415 } 416 417 /* Get new storage. */ 418 size = align(offset, 64); 419 420 ret = nouveau_bo_new(context_dev(ctx), NOUVEAU_BO_MAP | 421 NOUVEAU_BO_GART | NOUVEAU_BO_VRAM, 422 0, size, NULL, &ss[last].bo); 423 assert(!ret); 424 425 for (i = t->BaseLevel; i < last; i++) 426 nouveau_bo_ref(ss[last].bo, &ss[i].bo); 427 } 428} 429 430GLboolean 431nouveau_texture_validate(struct gl_context *ctx, struct gl_texture_object *t) 432{ 433 struct nouveau_texture *nt = to_nouveau_texture(t); 434 int i, last = get_last_level(t); 435 436 if (!teximage_fits(t, t->BaseLevel) || 437 !teximage_fits(t, last)) 438 return GL_FALSE; 439 440 if (nt->dirty) { 441 nt->dirty = GL_FALSE; 442 443 /* Copy the teximages to the actual miptree. */ 444 for (i = t->BaseLevel; i <= last; i++) { 445 struct nouveau_surface *s = &nt->surfaces[i]; 446 447 validate_teximage(ctx, t, i, 0, 0, 0, 448 s->width, s->height, 1); 449 } 450 451 PUSH_KICK(context_push(ctx)); 452 } 453 454 return GL_TRUE; 455} 456 457void 458nouveau_texture_reallocate(struct gl_context *ctx, struct gl_texture_object *t) 459{ 460 if (!teximage_fits(t, t->BaseLevel) || 461 !teximage_fits(t, get_last_level(t))) { 462 texture_dirty(t); 463 relayout_texture(ctx, t); 464 nouveau_texture_validate(ctx, t); 465 } 466} 467 468static unsigned 469get_teximage_placement(struct gl_texture_image *ti) 470{ 471 if (ti->TexFormat == MESA_FORMAT_A8 || 472 ti->TexFormat == MESA_FORMAT_L8 || 473 ti->TexFormat == MESA_FORMAT_I8) 474 /* 1 cpp formats will have to be swizzled by the CPU, 475 * so leave them in system RAM for now. */ 476 return NOUVEAU_BO_MAP; 477 else 478 return NOUVEAU_BO_GART | NOUVEAU_BO_MAP; 479} 480 481static void 482nouveau_teximage(struct gl_context *ctx, GLint dims, 483 struct gl_texture_image *ti, 484 GLsizei imageSize, 485 GLenum format, GLenum type, const GLvoid *pixels, 486 const struct gl_pixelstore_attrib *packing, 487 GLboolean compressed) 488{ 489 struct gl_texture_object *t = ti->TexObject; 490 const GLuint level = ti->Level; 491 struct nouveau_surface *s = &to_nouveau_teximage(ti)->surface; 492 struct nouveau_teximage *nti = to_nouveau_teximage(ti); 493 int ret; 494 GLuint depth = compressed ? 1 : ti->Depth; 495 496 /* Allocate a new bo for the image. */ 497 nouveau_surface_alloc(ctx, s, LINEAR, get_teximage_placement(ti), 498 ti->TexFormat, ti->Width, ti->Height); 499 nti->base.RowStride = s->pitch / s->cpp; 500 501 if (compressed) 502 pixels = _mesa_validate_pbo_compressed_teximage(ctx, 503 imageSize, 504 pixels, packing, "glCompressedTexImage"); 505 else 506 pixels = _mesa_validate_pbo_teximage(ctx, 507 dims, ti->Width, ti->Height, depth, format, type, 508 pixels, packing, "glTexImage"); 509 510 if (pixels) { 511 /* Store the pixel data. */ 512 nouveau_teximage_map(ctx, ti, GL_MAP_WRITE_BIT, 513 0, 0, ti->Width, ti->Height); 514 515 ret = _mesa_texstore(ctx, dims, ti->_BaseFormat, 516 ti->TexFormat, 517 s->pitch, 518 &nti->base.Map, 519 ti->Width, ti->Height, depth, 520 format, type, pixels, packing); 521 assert(ret); 522 523 nouveau_teximage_unmap(ctx, ti); 524 _mesa_unmap_teximage_pbo(ctx, packing); 525 526 if (!validate_teximage(ctx, t, level, 0, 0, 0, 527 ti->Width, ti->Height, depth)) 528 /* It doesn't fit, mark it as dirty. */ 529 texture_dirty(t); 530 } 531 532 if (level == t->BaseLevel) { 533 if (!teximage_fits(t, level)) 534 relayout_texture(ctx, t); 535 nouveau_texture_validate(ctx, t); 536 } 537 538 context_dirty_i(ctx, TEX_OBJ, ctx->Texture.CurrentUnit); 539 context_dirty_i(ctx, TEX_ENV, ctx->Texture.CurrentUnit); 540} 541 542 543static void 544nouveau_teximage_123d(struct gl_context *ctx, GLuint dims, 545 struct gl_texture_image *ti, 546 GLenum format, GLenum type, const GLvoid *pixels, 547 const struct gl_pixelstore_attrib *packing) 548{ 549 nouveau_teximage(ctx, dims, ti, 0, format, type, pixels, 550 packing, GL_FALSE); 551} 552 553static void 554nouveau_compressed_teximage(struct gl_context *ctx, GLuint dims, 555 struct gl_texture_image *ti, 556 GLsizei imageSize, const GLvoid *data) 557{ 558 nouveau_teximage(ctx, 2, ti, imageSize, 0, 0, data, 559 &ctx->Unpack, GL_TRUE); 560} 561 562static void 563nouveau_texsubimage(struct gl_context *ctx, GLint dims, 564 struct gl_texture_image *ti, 565 GLint xoffset, GLint yoffset, GLint zoffset, 566 GLint width, GLint height, GLint depth, 567 GLsizei imageSize, 568 GLenum format, GLenum type, const void *pixels, 569 const struct gl_pixelstore_attrib *packing, 570 GLboolean compressed) 571{ 572 struct nouveau_surface *s = &to_nouveau_teximage(ti)->surface; 573 struct nouveau_teximage *nti = to_nouveau_teximage(ti); 574 int ret; 575 576 if (compressed) 577 pixels = _mesa_validate_pbo_compressed_teximage(ctx, 578 imageSize, 579 pixels, packing, "glCompressedTexSubImage"); 580 else 581 pixels = _mesa_validate_pbo_teximage(ctx, 582 dims, width, height, depth, format, type, 583 pixels, packing, "glTexSubImage"); 584 585 if (pixels) { 586 nouveau_teximage_map(ctx, ti, GL_MAP_WRITE_BIT, 587 xoffset, yoffset, width, height); 588 589 ret = _mesa_texstore(ctx, dims, ti->_BaseFormat, ti->TexFormat, 590 s->pitch, 591 &nti->base.Map, 592 width, height, depth, 593 format, type, pixels, packing); 594 assert(ret); 595 596 nouveau_teximage_unmap(ctx, ti); 597 _mesa_unmap_teximage_pbo(ctx, packing); 598 } 599 600 if (!to_nouveau_texture(ti->TexObject)->dirty) 601 validate_teximage(ctx, ti->TexObject, ti->Level, 602 xoffset, yoffset, zoffset, 603 width, height, depth); 604} 605 606static void 607nouveau_texsubimage_123d(struct gl_context *ctx, GLuint dims, 608 struct gl_texture_image *ti, 609 GLint xoffset, GLint yoffset, GLint zoffset, 610 GLint width, GLint height, GLint depth, 611 GLenum format, GLenum type, const void *pixels, 612 const struct gl_pixelstore_attrib *packing) 613{ 614 nouveau_texsubimage(ctx, dims, ti, xoffset, yoffset, zoffset, 615 width, height, depth, 0, format, type, pixels, 616 packing, GL_FALSE); 617} 618 619static void 620nouveau_compressed_texsubimage(struct gl_context *ctx, GLuint dims, 621 struct gl_texture_image *ti, 622 GLint xoffset, GLint yoffset, GLint zoffset, 623 GLsizei width, GLint height, GLint depth, 624 GLenum format, 625 GLint imageSize, const void *data) 626{ 627 nouveau_texsubimage(ctx, dims, ti, xoffset, yoffset, zoffset, 628 width, height, depth, imageSize, format, 0, data, 629 &ctx->Unpack, GL_TRUE); 630} 631 632static void 633nouveau_bind_texture(struct gl_context *ctx, GLenum target, 634 struct gl_texture_object *t) 635{ 636 context_dirty_i(ctx, TEX_OBJ, ctx->Texture.CurrentUnit); 637 context_dirty_i(ctx, TEX_ENV, ctx->Texture.CurrentUnit); 638} 639 640static gl_format 641get_texbuffer_format(struct gl_renderbuffer *rb, GLint format) 642{ 643 struct nouveau_surface *s = &to_nouveau_renderbuffer(rb)->surface; 644 645 if (s->cpp < 4) 646 return s->format; 647 else if (format == __DRI_TEXTURE_FORMAT_RGBA) 648 return MESA_FORMAT_ARGB8888; 649 else 650 return MESA_FORMAT_XRGB8888; 651} 652 653void 654nouveau_set_texbuffer(__DRIcontext *dri_ctx, 655 GLint target, GLint format, 656 __DRIdrawable *draw) 657{ 658 struct nouveau_context *nctx = dri_ctx->driverPrivate; 659 struct gl_context *ctx = &nctx->base; 660 struct gl_framebuffer *fb = draw->driverPrivate; 661 struct gl_renderbuffer *rb = 662 fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer; 663 struct gl_texture_object *t = _mesa_get_current_tex_object(ctx, target); 664 struct gl_texture_image *ti; 665 struct nouveau_teximage *nti; 666 struct nouveau_surface *s; 667 668 _mesa_lock_texture(ctx, t); 669 ti = _mesa_get_tex_image(ctx, t, target, 0); 670 nti = to_nouveau_teximage(ti); 671 s = &to_nouveau_teximage(ti)->surface; 672 673 /* Update the texture surface with the given drawable. */ 674 nouveau_update_renderbuffers(dri_ctx, draw); 675 nouveau_surface_ref(&to_nouveau_renderbuffer(rb)->surface, s); 676 677 s->format = get_texbuffer_format(rb, format); 678 679 /* Update the image fields. */ 680 _mesa_init_teximage_fields(ctx, ti, s->width, s->height, 681 1, 0, s->cpp, s->format); 682 nti->base.RowStride = s->pitch / s->cpp; 683 684 /* Try to validate it. */ 685 if (!validate_teximage(ctx, t, 0, 0, 0, 0, s->width, s->height, 1)) 686 nouveau_texture_reallocate(ctx, t); 687 688 context_dirty_i(ctx, TEX_OBJ, ctx->Texture.CurrentUnit); 689 context_dirty_i(ctx, TEX_ENV, ctx->Texture.CurrentUnit); 690 691 _mesa_unlock_texture(ctx, t); 692} 693 694void 695nouveau_texture_functions_init(struct dd_function_table *functions) 696{ 697 functions->NewTextureObject = nouveau_texture_new; 698 functions->DeleteTexture = nouveau_texture_free; 699 functions->NewTextureImage = nouveau_teximage_new; 700 functions->FreeTextureImageBuffer = nouveau_teximage_free; 701 functions->ChooseTextureFormat = nouveau_choose_tex_format; 702 functions->TexImage = nouveau_teximage_123d; 703 functions->TexSubImage = nouveau_texsubimage_123d; 704 functions->CompressedTexImage = nouveau_compressed_teximage; 705 functions->CompressedTexSubImage = nouveau_compressed_texsubimage; 706 functions->BindTexture = nouveau_bind_texture; 707 functions->MapTextureImage = nouveau_map_texture_image; 708 functions->UnmapTextureImage = nouveau_unmap_texture_image; 709} 710