1bf215546Sopenharmony_ci/* 2bf215546Sopenharmony_ci * Copyright (C) 2018 Rob Clark <robclark@freedesktop.org> 3bf215546Sopenharmony_ci * 4bf215546Sopenharmony_ci * Permission is hereby granted, free of charge, to any person obtaining a 5bf215546Sopenharmony_ci * copy of this software and associated documentation files (the "Software"), 6bf215546Sopenharmony_ci * to deal in the Software without restriction, including without limitation 7bf215546Sopenharmony_ci * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8bf215546Sopenharmony_ci * and/or sell copies of the Software, and to permit persons to whom the 9bf215546Sopenharmony_ci * Software is furnished to do so, subject to the following conditions: 10bf215546Sopenharmony_ci * 11bf215546Sopenharmony_ci * The above copyright notice and this permission notice (including the next 12bf215546Sopenharmony_ci * paragraph) shall be included in all copies or substantial portions of the 13bf215546Sopenharmony_ci * Software. 14bf215546Sopenharmony_ci * 15bf215546Sopenharmony_ci * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16bf215546Sopenharmony_ci * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17bf215546Sopenharmony_ci * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18bf215546Sopenharmony_ci * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19bf215546Sopenharmony_ci * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20bf215546Sopenharmony_ci * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21bf215546Sopenharmony_ci * SOFTWARE. 22bf215546Sopenharmony_ci * 23bf215546Sopenharmony_ci * Authors: 24bf215546Sopenharmony_ci * Rob Clark <robclark@freedesktop.org> 25bf215546Sopenharmony_ci */ 26bf215546Sopenharmony_ci 27bf215546Sopenharmony_ci#include "fd5_resource.h" 28bf215546Sopenharmony_ci 29bf215546Sopenharmony_cistatic void 30bf215546Sopenharmony_cisetup_lrz(struct fd_resource *rsc) 31bf215546Sopenharmony_ci{ 32bf215546Sopenharmony_ci struct fd_screen *screen = fd_screen(rsc->b.b.screen); 33bf215546Sopenharmony_ci unsigned lrz_pitch = align(DIV_ROUND_UP(rsc->b.b.width0, 8), 64); 34bf215546Sopenharmony_ci unsigned lrz_height = DIV_ROUND_UP(rsc->b.b.height0, 8); 35bf215546Sopenharmony_ci 36bf215546Sopenharmony_ci /* LRZ buffer is super-sampled: */ 37bf215546Sopenharmony_ci switch (rsc->b.b.nr_samples) { 38bf215546Sopenharmony_ci case 4: 39bf215546Sopenharmony_ci lrz_pitch *= 2; 40bf215546Sopenharmony_ci FALLTHROUGH; 41bf215546Sopenharmony_ci case 2: 42bf215546Sopenharmony_ci lrz_height *= 2; 43bf215546Sopenharmony_ci } 44bf215546Sopenharmony_ci 45bf215546Sopenharmony_ci unsigned size = lrz_pitch * lrz_height * 2; 46bf215546Sopenharmony_ci 47bf215546Sopenharmony_ci size += 0x1000; /* for GRAS_LRZ_FAST_CLEAR_BUFFER */ 48bf215546Sopenharmony_ci 49bf215546Sopenharmony_ci rsc->lrz_height = lrz_height; 50bf215546Sopenharmony_ci rsc->lrz_width = lrz_pitch; 51bf215546Sopenharmony_ci rsc->lrz_pitch = lrz_pitch; 52bf215546Sopenharmony_ci rsc->lrz = fd_bo_new(screen->dev, size, FD_BO_NOMAP, "lrz"); 53bf215546Sopenharmony_ci} 54bf215546Sopenharmony_ci 55bf215546Sopenharmony_ciuint32_t 56bf215546Sopenharmony_cifd5_setup_slices(struct fd_resource *rsc) 57bf215546Sopenharmony_ci{ 58bf215546Sopenharmony_ci struct pipe_resource *prsc = &rsc->b.b; 59bf215546Sopenharmony_ci 60bf215546Sopenharmony_ci if (FD_DBG(LRZ) && has_depth(rsc->b.b.format)) 61bf215546Sopenharmony_ci setup_lrz(rsc); 62bf215546Sopenharmony_ci 63bf215546Sopenharmony_ci fdl5_layout(&rsc->layout, prsc->format, fd_resource_nr_samples(prsc), 64bf215546Sopenharmony_ci prsc->width0, prsc->height0, prsc->depth0, prsc->last_level + 1, 65bf215546Sopenharmony_ci prsc->array_size, prsc->target == PIPE_TEXTURE_3D); 66bf215546Sopenharmony_ci 67bf215546Sopenharmony_ci return rsc->layout.size; 68bf215546Sopenharmony_ci} 69