17ec681f3Smrg/* 27ec681f3Smrg * Copyright © 2014 Broadcom 37ec681f3Smrg * 47ec681f3Smrg * Permission is hereby granted, free of charge, to any person obtaining a 57ec681f3Smrg * copy of this software and associated documentation files (the "Software"), 67ec681f3Smrg * to deal in the Software without restriction, including without limitation 77ec681f3Smrg * the rights to use, copy, modify, merge, publish, distribute, sublicense, 87ec681f3Smrg * and/or sell copies of the Software, and to permit persons to whom the 97ec681f3Smrg * Software is furnished to do so, subject to the following conditions: 107ec681f3Smrg * 117ec681f3Smrg * The above copyright notice and this permission notice (including the next 127ec681f3Smrg * paragraph) shall be included in all copies or substantial portions of the 137ec681f3Smrg * Software. 147ec681f3Smrg * 157ec681f3Smrg * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 167ec681f3Smrg * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 177ec681f3Smrg * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 187ec681f3Smrg * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 197ec681f3Smrg * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 207ec681f3Smrg * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 217ec681f3Smrg * IN THE SOFTWARE. 227ec681f3Smrg */ 237ec681f3Smrg 247ec681f3Smrg#ifndef V3D_TILING_H 257ec681f3Smrg#define V3D_TILING_H 267ec681f3Smrg 277ec681f3Smrg#include "util/u_box.h" 287ec681f3Smrg 297ec681f3Smrg/* A UIFblock is a 256-byte region of memory that's 256-byte aligned. These 307ec681f3Smrg * will be grouped in 4x4 blocks (left-to-right, then top-to-bottom) in a 4KB 317ec681f3Smrg * page. Those pages are then arranged left-to-right, top-to-bottom, to cover 327ec681f3Smrg * an image. 337ec681f3Smrg * 347ec681f3Smrg * The inside of a UIFblock, for packed pixels, will be split into 4 64-byte 357ec681f3Smrg * utiles. Utiles may be 8x8 (8bpp), 8x4(16bpp) or 4x4 (32bpp). 367ec681f3Smrg */ 377ec681f3Smrg 387ec681f3Smrg/** 397ec681f3Smrg * Tiling mode enum used for v3d_resource.c, which maps directly to the Memory 407ec681f3Smrg * Format field of render target and Z/Stencil config. 417ec681f3Smrg */ 427ec681f3Smrgenum v3d_tiling_mode { 437ec681f3Smrg /* Untiled resources. Not valid as texture inputs. */ 447ec681f3Smrg V3D_TILING_RASTER, 457ec681f3Smrg 467ec681f3Smrg /* Single line of u-tiles. */ 477ec681f3Smrg V3D_TILING_LINEARTILE, 487ec681f3Smrg 497ec681f3Smrg /* Departure from standard 4-UIF block column format. */ 507ec681f3Smrg V3D_TILING_UBLINEAR_1_COLUMN, 517ec681f3Smrg 527ec681f3Smrg /* Departure from standard 4-UIF block column format. */ 537ec681f3Smrg V3D_TILING_UBLINEAR_2_COLUMN, 547ec681f3Smrg 557ec681f3Smrg /* Normal tiling format: grouped in 4x4 UIFblocks, each of which is 567ec681f3Smrg * split 2x2 into utiles. 577ec681f3Smrg */ 587ec681f3Smrg V3D_TILING_UIF_NO_XOR, 597ec681f3Smrg 607ec681f3Smrg /* Normal tiling format: grouped in 4x4 UIFblocks, each of which is 617ec681f3Smrg * split 2x2 into utiles. 627ec681f3Smrg */ 637ec681f3Smrg V3D_TILING_UIF_XOR, 647ec681f3Smrg}; 657ec681f3Smrg 667ec681f3Smrguint32_t v3d_utile_width(int cpp) ATTRIBUTE_CONST; 677ec681f3Smrguint32_t v3d_utile_height(int cpp) ATTRIBUTE_CONST; 687ec681f3Smrgbool v3d_size_is_lt(uint32_t width, uint32_t height, int cpp) ATTRIBUTE_CONST; 697ec681f3Smrgvoid v3d_load_tiled_image(void *dst, uint32_t dst_stride, 707ec681f3Smrg void *src, uint32_t src_stride, 717ec681f3Smrg enum v3d_tiling_mode tiling_format, int cpp, 727ec681f3Smrg uint32_t image_h, 737ec681f3Smrg const struct pipe_box *box); 747ec681f3Smrgvoid v3d_store_tiled_image(void *dst, uint32_t dst_stride, 757ec681f3Smrg void *src, uint32_t src_stride, 767ec681f3Smrg enum v3d_tiling_mode tiling_format, int cpp, 777ec681f3Smrg uint32_t image_h, 787ec681f3Smrg const struct pipe_box *box); 797ec681f3Smrg 807ec681f3Smrg#endif /* V3D_TILING_H */ 81