1 /************************************************************************** 2 * 3 * Copyright 2007 VMware, Inc. 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 VMWARE 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 <stdio.h> 29 30 #include "st_context.h" 31 #include "st_format.h" 32 #include "st_texture.h" 33 #include "st_cb_fbo.h" 34 #include "main/enums.h" 35 36 #include "pipe/p_state.h" 37 #include "pipe/p_context.h" 38 #include "pipe/p_defines.h" 39 #include "util/u_inlines.h" 40 #include "util/u_format.h" 41 #include "util/u_rect.h" 42 #include "util/u_math.h" 43 #include "util/u_memory.h" 44 #include "tgsi/tgsi_from_mesa.h" 45 46 47 #define DBG if(0) printf 48 49 50 /** 51 * Allocate a new pipe_resource object 52 * width0, height0, depth0 are the dimensions of the level 0 image 53 * (the highest resolution). last_level indicates how many mipmap levels 54 * to allocate storage for. For non-mipmapped textures, this will be zero. 55 */ 56 struct pipe_resource * 57 st_texture_create(struct st_context *st, 58 enum pipe_texture_target target, 59 enum pipe_format format, 60 GLuint last_level, 61 GLuint width0, 62 GLuint height0, 63 GLuint depth0, 64 GLuint layers, 65 GLuint nr_samples, 66 GLuint bind) 67 { 68 struct pipe_resource pt, *newtex; 69 struct pipe_screen *screen = st->pipe->screen; 70 71 assert(target < PIPE_MAX_TEXTURE_TYPES); 72 assert(width0 > 0); 73 assert(height0 > 0); 74 assert(depth0 > 0); 75 if (target == PIPE_TEXTURE_CUBE) 76 assert(layers == 6); 77 78 DBG("%s target %d format %s last_level %d\n", __func__, 79 (int) target, util_format_name(format), last_level); 80 81 assert(format); 82 assert(screen->is_format_supported(screen, format, target, 0, 83 PIPE_BIND_SAMPLER_VIEW)); 84 85 memset(&pt, 0, sizeof(pt)); 86 pt.target = target; 87 pt.format = format; 88 pt.last_level = last_level; 89 pt.width0 = width0; 90 pt.height0 = height0; 91 pt.depth0 = depth0; 92 pt.array_size = layers; 93 pt.usage = PIPE_USAGE_DEFAULT; 94 pt.bind = bind; 95 /* only set this for OpenGL textures, not renderbuffers */ 96 pt.flags = PIPE_RESOURCE_FLAG_TEXTURING_MORE_LIKELY; 97 pt.nr_samples = nr_samples; 98 99 newtex = screen->resource_create(screen, &pt); 100 101 assert(!newtex || pipe_is_referenced(&newtex->reference)); 102 103 return newtex; 104 } 105 106 107 /** 108 * In OpenGL the number of 1D array texture layers is the "height" and 109 * the number of 2D array texture layers is the "depth". In Gallium the 110 * number of layers in an array texture is a separate 'array_size' field. 111 * This function converts dimensions from the former to the later. 112 */ 113 void 114 st_gl_texture_dims_to_pipe_dims(GLenum texture, 115 unsigned widthIn, 116 uint16_t heightIn, 117 uint16_t depthIn, 118 unsigned *widthOut, 119 uint16_t *heightOut, 120 uint16_t *depthOut, 121 uint16_t *layersOut) 122 { 123 switch (texture) { 124 case GL_TEXTURE_1D: 125 case GL_PROXY_TEXTURE_1D: 126 assert(heightIn == 1); 127 assert(depthIn == 1); 128 *widthOut = widthIn; 129 *heightOut = 1; 130 *depthOut = 1; 131 *layersOut = 1; 132 break; 133 case GL_TEXTURE_1D_ARRAY: 134 case GL_PROXY_TEXTURE_1D_ARRAY: 135 assert(depthIn == 1); 136 *widthOut = widthIn; 137 *heightOut = 1; 138 *depthOut = 1; 139 *layersOut = heightIn; 140 break; 141 case GL_TEXTURE_2D: 142 case GL_PROXY_TEXTURE_2D: 143 case GL_TEXTURE_RECTANGLE: 144 case GL_PROXY_TEXTURE_RECTANGLE: 145 case GL_TEXTURE_EXTERNAL_OES: 146 case GL_PROXY_TEXTURE_2D_MULTISAMPLE: 147 case GL_TEXTURE_2D_MULTISAMPLE: 148 assert(depthIn == 1); 149 *widthOut = widthIn; 150 *heightOut = heightIn; 151 *depthOut = 1; 152 *layersOut = 1; 153 break; 154 case GL_TEXTURE_CUBE_MAP: 155 case GL_PROXY_TEXTURE_CUBE_MAP: 156 case GL_TEXTURE_CUBE_MAP_POSITIVE_X: 157 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X: 158 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y: 159 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y: 160 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z: 161 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z: 162 assert(depthIn == 1); 163 *widthOut = widthIn; 164 *heightOut = heightIn; 165 *depthOut = 1; 166 *layersOut = 6; 167 break; 168 case GL_TEXTURE_2D_ARRAY: 169 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY: 170 case GL_PROXY_TEXTURE_2D_ARRAY: 171 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY: 172 *widthOut = widthIn; 173 *heightOut = heightIn; 174 *depthOut = 1; 175 *layersOut = depthIn; 176 break; 177 case GL_TEXTURE_CUBE_MAP_ARRAY: 178 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY: 179 *widthOut = widthIn; 180 *heightOut = heightIn; 181 *depthOut = 1; 182 *layersOut = util_align_npot(depthIn, 6); 183 break; 184 default: 185 assert(0 && "Unexpected texture in st_gl_texture_dims_to_pipe_dims()"); 186 /* fall-through */ 187 case GL_TEXTURE_3D: 188 case GL_PROXY_TEXTURE_3D: 189 *widthOut = widthIn; 190 *heightOut = heightIn; 191 *depthOut = depthIn; 192 *layersOut = 1; 193 break; 194 } 195 } 196 197 198 /** 199 * Check if a texture image can be pulled into a unified mipmap texture. 200 */ 201 GLboolean 202 st_texture_match_image(struct st_context *st, 203 const struct pipe_resource *pt, 204 const struct gl_texture_image *image) 205 { 206 unsigned ptWidth; 207 uint16_t ptHeight, ptDepth, ptLayers; 208 209 /* Images with borders are never pulled into mipmap textures. 210 */ 211 if (image->Border) 212 return GL_FALSE; 213 214 /* Check if this image's format matches the established texture's format. 215 */ 216 if (st_mesa_format_to_pipe_format(st, image->TexFormat) != pt->format) 217 return GL_FALSE; 218 219 st_gl_texture_dims_to_pipe_dims(image->TexObject->Target, 220 image->Width, image->Height, image->Depth, 221 &ptWidth, &ptHeight, &ptDepth, &ptLayers); 222 223 /* Test if this image's size matches what's expected in the 224 * established texture. 225 */ 226 if (ptWidth != u_minify(pt->width0, image->Level) || 227 ptHeight != u_minify(pt->height0, image->Level) || 228 ptDepth != u_minify(pt->depth0, image->Level) || 229 ptLayers != pt->array_size) 230 return GL_FALSE; 231 232 if (image->Level > pt->last_level) 233 return GL_FALSE; 234 235 return GL_TRUE; 236 } 237 238 239 /** 240 * Map a texture image and return the address for a particular 2D face/slice/ 241 * layer. The stImage indicates the cube face and mipmap level. The slice 242 * of the 3D texture is passed in 'zoffset'. 243 * \param usage one of the PIPE_TRANSFER_x values 244 * \param x, y, w, h the region of interest of the 2D image. 245 * \return address of mapping or NULL if any error 246 */ 247 GLubyte * 248 st_texture_image_map(struct st_context *st, struct st_texture_image *stImage, 249 enum pipe_transfer_usage usage, 250 GLuint x, GLuint y, GLuint z, 251 GLuint w, GLuint h, GLuint d, 252 struct pipe_transfer **transfer) 253 { 254 struct st_texture_object *stObj = 255 st_texture_object(stImage->base.TexObject); 256 GLuint level; 257 void *map; 258 259 DBG("%s \n", __func__); 260 261 if (!stImage->pt) 262 return NULL; 263 264 if (stObj->pt != stImage->pt) 265 level = 0; 266 else 267 level = stImage->base.Level; 268 269 if (stObj->base.Immutable) { 270 level += stObj->base.MinLevel; 271 z += stObj->base.MinLayer; 272 if (stObj->pt->array_size > 1) 273 d = MIN2(d, stObj->base.NumLayers); 274 } 275 276 z += stImage->base.Face; 277 278 map = pipe_transfer_map_3d(st->pipe, stImage->pt, level, usage, 279 x, y, z, w, h, d, transfer); 280 if (map) { 281 /* Enlarge the transfer array if it's not large enough. */ 282 if (z >= stImage->num_transfers) { 283 unsigned new_size = z + 1; 284 285 stImage->transfer = realloc(stImage->transfer, 286 new_size * sizeof(struct st_texture_image_transfer)); 287 memset(&stImage->transfer[stImage->num_transfers], 0, 288 (new_size - stImage->num_transfers) * 289 sizeof(struct st_texture_image_transfer)); 290 stImage->num_transfers = new_size; 291 } 292 293 assert(!stImage->transfer[z].transfer); 294 stImage->transfer[z].transfer = *transfer; 295 } 296 return map; 297 } 298 299 300 void 301 st_texture_image_unmap(struct st_context *st, 302 struct st_texture_image *stImage, unsigned slice) 303 { 304 struct pipe_context *pipe = st->pipe; 305 struct st_texture_object *stObj = 306 st_texture_object(stImage->base.TexObject); 307 struct pipe_transfer **transfer; 308 309 if (stObj->base.Immutable) 310 slice += stObj->base.MinLayer; 311 transfer = &stImage->transfer[slice + stImage->base.Face].transfer; 312 313 DBG("%s\n", __func__); 314 315 pipe_transfer_unmap(pipe, *transfer); 316 *transfer = NULL; 317 } 318 319 320 /** 321 * For debug only: get/print center pixel in the src resource. 322 */ 323 static void 324 print_center_pixel(struct pipe_context *pipe, struct pipe_resource *src) 325 { 326 struct pipe_transfer *xfer; 327 struct pipe_box region; 328 ubyte *map; 329 330 region.x = src->width0 / 2; 331 region.y = src->height0 / 2; 332 region.z = 0; 333 region.width = 1; 334 region.height = 1; 335 region.depth = 1; 336 337 map = pipe->transfer_map(pipe, src, 0, PIPE_TRANSFER_READ, ®ion, &xfer); 338 339 printf("center pixel: %d %d %d %d\n", map[0], map[1], map[2], map[3]); 340 341 pipe->transfer_unmap(pipe, xfer); 342 } 343 344 345 /** 346 * Copy the image at level=0 in 'src' to the 'dst' resource at 'dstLevel'. 347 * This is used to copy mipmap images from one texture buffer to another. 348 * This typically happens when our initial guess at the total texture size 349 * is incorrect (see the guess_and_alloc_texture() function). 350 */ 351 void 352 st_texture_image_copy(struct pipe_context *pipe, 353 struct pipe_resource *dst, GLuint dstLevel, 354 struct pipe_resource *src, GLuint srcLevel, 355 GLuint face) 356 { 357 GLuint width = u_minify(dst->width0, dstLevel); 358 GLuint height = u_minify(dst->height0, dstLevel); 359 GLuint depth = u_minify(dst->depth0, dstLevel); 360 struct pipe_box src_box; 361 GLuint i; 362 363 if (u_minify(src->width0, srcLevel) != width || 364 u_minify(src->height0, srcLevel) != height || 365 u_minify(src->depth0, srcLevel) != depth) { 366 /* The source image size doesn't match the destination image size. 367 * This can happen in some degenerate situations such as rendering to a 368 * cube map face which was set up with mismatched texture sizes. 369 */ 370 return; 371 } 372 373 src_box.x = 0; 374 src_box.y = 0; 375 src_box.width = width; 376 src_box.height = height; 377 src_box.depth = 1; 378 379 if (src->target == PIPE_TEXTURE_1D_ARRAY || 380 src->target == PIPE_TEXTURE_2D_ARRAY || 381 src->target == PIPE_TEXTURE_CUBE_ARRAY) { 382 face = 0; 383 depth = src->array_size; 384 } 385 386 /* Loop over 3D image slices */ 387 /* could (and probably should) use "true" 3d box here - 388 but drivers can't quite handle it yet */ 389 for (i = face; i < face + depth; i++) { 390 src_box.z = i; 391 392 if (0) { 393 print_center_pixel(pipe, src); 394 } 395 396 pipe->resource_copy_region(pipe, 397 dst, 398 dstLevel, 399 0, 0, i,/* destX, Y, Z */ 400 src, 401 srcLevel, 402 &src_box); 403 } 404 } 405 406 407 struct pipe_resource * 408 st_create_color_map_texture(struct gl_context *ctx) 409 { 410 struct st_context *st = st_context(ctx); 411 struct pipe_resource *pt; 412 enum pipe_format format; 413 const uint texSize = 256; /* simple, and usually perfect */ 414 415 /* find an RGBA texture format */ 416 format = st_choose_format(st, GL_RGBA, GL_NONE, GL_NONE, 417 PIPE_TEXTURE_2D, 0, PIPE_BIND_SAMPLER_VIEW, 418 FALSE); 419 420 /* create texture for color map/table */ 421 pt = st_texture_create(st, PIPE_TEXTURE_2D, format, 0, 422 texSize, texSize, 1, 1, 0, PIPE_BIND_SAMPLER_VIEW); 423 return pt; 424 } 425 426 427 /** 428 * Destroy bound texture handles for the given stage. 429 */ 430 static void 431 st_destroy_bound_texture_handles_per_stage(struct st_context *st, 432 enum pipe_shader_type shader) 433 { 434 struct st_bound_handles *bound_handles = &st->bound_texture_handles[shader]; 435 struct pipe_context *pipe = st->pipe; 436 unsigned i; 437 438 if (likely(!bound_handles->num_handles)) 439 return; 440 441 for (i = 0; i < bound_handles->num_handles; i++) { 442 uint64_t handle = bound_handles->handles[i]; 443 444 pipe->make_texture_handle_resident(pipe, handle, false); 445 pipe->delete_texture_handle(pipe, handle); 446 } 447 free(bound_handles->handles); 448 bound_handles->handles = NULL; 449 bound_handles->num_handles = 0; 450 } 451 452 453 /** 454 * Destroy all bound texture handles in the context. 455 */ 456 void 457 st_destroy_bound_texture_handles(struct st_context *st) 458 { 459 unsigned i; 460 461 for (i = 0; i < PIPE_SHADER_TYPES; i++) { 462 st_destroy_bound_texture_handles_per_stage(st, i); 463 } 464 } 465 466 467 /** 468 * Destroy bound image handles for the given stage. 469 */ 470 static void 471 st_destroy_bound_image_handles_per_stage(struct st_context *st, 472 enum pipe_shader_type shader) 473 { 474 struct st_bound_handles *bound_handles = &st->bound_image_handles[shader]; 475 struct pipe_context *pipe = st->pipe; 476 unsigned i; 477 478 if (likely(!bound_handles->num_handles)) 479 return; 480 481 for (i = 0; i < bound_handles->num_handles; i++) { 482 uint64_t handle = bound_handles->handles[i]; 483 484 pipe->make_image_handle_resident(pipe, handle, GL_READ_WRITE, false); 485 pipe->delete_image_handle(pipe, handle); 486 } 487 free(bound_handles->handles); 488 bound_handles->handles = NULL; 489 bound_handles->num_handles = 0; 490 } 491 492 493 /** 494 * Destroy all bound image handles in the context. 495 */ 496 void 497 st_destroy_bound_image_handles(struct st_context *st) 498 { 499 unsigned i; 500 501 for (i = 0; i < PIPE_SHADER_TYPES; i++) { 502 st_destroy_bound_image_handles_per_stage(st, i); 503 } 504 } 505 506 507 /** 508 * Create a texture handle from a texture unit. 509 */ 510 static GLuint64 511 st_create_texture_handle_from_unit(struct st_context *st, 512 struct gl_program *prog, GLuint texUnit) 513 { 514 struct pipe_context *pipe = st->pipe; 515 struct pipe_sampler_view *view; 516 struct pipe_sampler_state sampler = {0}; 517 518 /* TODO: Clarify the interaction of ARB_bindless_texture and EXT_texture_sRGB_decode */ 519 st_update_single_texture(st, &view, texUnit, prog->sh.data->Version >= 130, true); 520 if (!view) 521 return 0; 522 523 if (view->target != PIPE_BUFFER) 524 st_convert_sampler_from_unit(st, &sampler, texUnit); 525 526 assert(st->ctx->Texture.Unit[texUnit]._Current); 527 528 return pipe->create_texture_handle(pipe, view, &sampler); 529 } 530 531 532 /** 533 * Create an image handle from an image unit. 534 */ 535 static GLuint64 536 st_create_image_handle_from_unit(struct st_context *st, 537 struct gl_program *prog, GLuint imgUnit) 538 { 539 struct pipe_context *pipe = st->pipe; 540 struct pipe_image_view img; 541 542 st_convert_image_from_unit(st, &img, imgUnit); 543 544 return pipe->create_image_handle(pipe, &img); 545 } 546 547 548 /** 549 * Make all bindless samplers bound to texture units resident in the context. 550 */ 551 void 552 st_make_bound_samplers_resident(struct st_context *st, 553 struct gl_program *prog) 554 { 555 enum pipe_shader_type shader = pipe_shader_type_from_mesa(prog->info.stage); 556 struct st_bound_handles *bound_handles = &st->bound_texture_handles[shader]; 557 struct pipe_context *pipe = st->pipe; 558 GLuint64 handle; 559 int i; 560 561 /* Remove previous bound texture handles for this stage. */ 562 st_destroy_bound_texture_handles_per_stage(st, shader); 563 564 if (likely(!prog->sh.HasBoundBindlessSampler)) 565 return; 566 567 for (i = 0; i < prog->sh.NumBindlessSamplers; i++) { 568 struct gl_bindless_sampler *sampler = &prog->sh.BindlessSamplers[i]; 569 570 if (!sampler->bound) 571 continue; 572 573 /* Request a new texture handle from the driver and make it resident. */ 574 handle = st_create_texture_handle_from_unit(st, prog, sampler->unit); 575 if (!handle) 576 continue; 577 578 pipe->make_texture_handle_resident(st->pipe, handle, true); 579 580 /* Overwrite the texture unit value by the resident handle before 581 * uploading the constant buffer. 582 */ 583 *(uint64_t *)sampler->data = handle; 584 585 /* Store the handle in the context. */ 586 bound_handles->handles = (uint64_t *) 587 realloc(bound_handles->handles, 588 (bound_handles->num_handles + 1) * sizeof(uint64_t)); 589 bound_handles->handles[bound_handles->num_handles] = handle; 590 bound_handles->num_handles++; 591 } 592 } 593 594 595 /** 596 * Make all bindless images bound to image units resident in the context. 597 */ 598 void 599 st_make_bound_images_resident(struct st_context *st, 600 struct gl_program *prog) 601 { 602 enum pipe_shader_type shader = pipe_shader_type_from_mesa(prog->info.stage); 603 struct st_bound_handles *bound_handles = &st->bound_image_handles[shader]; 604 struct pipe_context *pipe = st->pipe; 605 GLuint64 handle; 606 int i; 607 608 /* Remove previous bound image handles for this stage. */ 609 st_destroy_bound_image_handles_per_stage(st, shader); 610 611 if (likely(!prog->sh.HasBoundBindlessImage)) 612 return; 613 614 for (i = 0; i < prog->sh.NumBindlessImages; i++) { 615 struct gl_bindless_image *image = &prog->sh.BindlessImages[i]; 616 617 if (!image->bound) 618 continue; 619 620 /* Request a new image handle from the driver and make it resident. */ 621 handle = st_create_image_handle_from_unit(st, prog, image->unit); 622 if (!handle) 623 continue; 624 625 pipe->make_image_handle_resident(st->pipe, handle, GL_READ_WRITE, true); 626 627 /* Overwrite the image unit value by the resident handle before uploading 628 * the constant buffer. 629 */ 630 *(uint64_t *)image->data = handle; 631 632 /* Store the handle in the context. */ 633 bound_handles->handles = (uint64_t *) 634 realloc(bound_handles->handles, 635 (bound_handles->num_handles + 1) * sizeof(uint64_t)); 636 bound_handles->handles[bound_handles->num_handles] = handle; 637 bound_handles->num_handles++; 638 } 639 } 640