1/* 2 * Copyright (C) 2021 Alyssa Rosenzweig <alyssa@rosenzweig.io> 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice (including the next 12 * paragraph) shall be included in all copies or substantial portions of the 13 * Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 * SOFTWARE. 22 */ 23 24#ifndef __AGX_TILING_H 25#define __AGX_TILING_H 26 27#include "util/u_math.h" 28 29void agx_detile(void *tiled, void *linear, 30 unsigned width, unsigned bpp, unsigned linear_pitch, 31 unsigned sx, unsigned sy, unsigned smaxx, unsigned smaxy, unsigned tile_shift); 32 33void agx_tile(void *tiled, void *linear, 34 unsigned width, unsigned bpp, unsigned linear_pitch, 35 unsigned sx, unsigned sy, unsigned smaxx, unsigned smaxy, unsigned tile_shift); 36 37/* Select effective tile size given texture dimensions */ 38static inline unsigned 39agx_select_tile_shift(unsigned width, unsigned height, unsigned level, unsigned blocksize) 40{ 41 /* Calculate effective width/height due to mipmapping */ 42 width = u_minify(width, level); 43 height = u_minify(height, level); 44 45 /* Select the largest square power-of-two tile fitting in the image */ 46 unsigned shift = util_logbase2_ceil(MIN3(width, height, 64)); 47 48 /* Shrink based on block size */ 49 if (blocksize > 4) 50 return MAX2(shift - 1, 0); 51 else 52 return shift; 53} 54 55static inline unsigned 56agx_select_tile_size(unsigned width, unsigned height, unsigned level, unsigned blocksize) 57{ 58 return 1 << agx_select_tile_shift(width, height, level, blocksize); 59} 60 61#endif 62