1 /* 2 * Copyright (c) 2012-2013 Etnaviv Project 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, sub license, 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 12 * next paragraph) shall be included in all copies or substantial portions 13 * of the 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 NON-INFRINGEMENT. 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 20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 21 * DEALINGS IN THE SOFTWARE. 22 * 23 * Authors: 24 * Wladimir J. van der Laan <laanwj (at) gmail.com> 25 */ 26 27 #include "etnaviv_surface.h" 28 #include "etnaviv_screen.h" 29 30 #include "etnaviv_clear_blit.h" 31 #include "etnaviv_context.h" 32 #include "etnaviv_translate.h" 33 #include "pipe/p_defines.h" 34 #include "pipe/p_state.h" 35 #include "util/u_inlines.h" 36 #include "util/u_memory.h" 37 38 #include "hw/common.xml.h" 39 40 static struct pipe_surface * 41 etna_create_surface(struct pipe_context *pctx, struct pipe_resource *prsc, 42 const struct pipe_surface *templat) 43 { 44 struct etna_context *ctx = etna_context(pctx); 45 struct etna_resource *rsc = etna_resource(prsc); 46 struct etna_surface *surf = CALLOC_STRUCT(etna_surface); 47 48 if (!surf) 49 return NULL; 50 51 assert(templat->u.tex.first_layer == templat->u.tex.last_layer); 52 unsigned layer = templat->u.tex.first_layer; 53 unsigned level = templat->u.tex.level; 54 assert(layer < rsc->base.array_size); 55 56 surf->base.context = pctx; 57 58 pipe_reference_init(&surf->base.reference, 1); 59 pipe_resource_reference(&surf->base.texture, &rsc->base); 60 61 /* Allocate a TS for the resource if there isn't one yet, 62 * and it is allowed by the hw (width is a multiple of 16). 63 * Avoid doing this for GPUs with MC1.0, as kernel sources 64 * indicate the tile status module bypasses the memory 65 * offset and MMU. */ 66 67 /* XXX for now, don't do TS for render textures as this path 68 * is not stable. */ 69 if (VIV_FEATURE(ctx->screen, chipFeatures, FAST_CLEAR) && 70 VIV_FEATURE(ctx->screen, chipMinorFeatures0, MC20) && 71 !DBG_ENABLED(ETNA_DBG_NO_TS) && !rsc->ts_bo && 72 !(rsc->base.bind & (PIPE_BIND_SAMPLER_VIEW)) && 73 (rsc->levels[level].padded_width & ETNA_RS_WIDTH_MASK) == 0 && 74 (rsc->levels[level].padded_height & ETNA_RS_HEIGHT_MASK) == 0) { 75 etna_screen_resource_alloc_ts(pctx->screen, rsc); 76 } 77 78 surf->base.texture = &rsc->base; 79 surf->base.format = rsc->base.format; 80 surf->base.width = rsc->levels[level].width; 81 surf->base.height = rsc->levels[level].height; 82 surf->base.writable = templat->writable; /* what is this for anyway */ 83 surf->base.u = templat->u; 84 85 surf->level = &rsc->levels[level]; /* Keep pointer to actual level to set 86 * clear color on underlying resource 87 * instead of surface */ 88 surf->surf = rsc->levels [level]; /* Make copy of level to narrow down 89 * address to layer */ 90 91 /* XXX we don't really need a copy but it's convenient */ 92 surf->surf.offset += layer * surf->surf.layer_stride; 93 94 struct etna_resource_level *lev = &rsc->levels[level]; 95 96 /* Setup template relocations for this surface */ 97 surf->reloc[0].bo = rsc->bo; 98 surf->reloc[0].offset = surf->surf.offset; 99 surf->reloc[0].flags = 0; 100 surf->reloc[1].bo = rsc->bo; 101 surf->reloc[1].offset = surf->surf.offset + lev->stride * lev->padded_height / 2; 102 surf->reloc[1].flags = 0; 103 104 if (surf->surf.ts_size) { 105 unsigned int layer_offset = layer * surf->surf.ts_layer_stride; 106 assert(layer_offset < surf->surf.ts_size); 107 108 surf->surf.ts_offset += layer_offset; 109 surf->surf.ts_size -= layer_offset; 110 111 surf->ts_reloc.bo = rsc->ts_bo; 112 surf->ts_reloc.offset = surf->surf.ts_offset; 113 surf->ts_reloc.flags = 0; 114 115 /* This (ab)uses the RS as a plain buffer memset(). 116 * Currently uses a fixed row size of 64 bytes. Some benchmarking with 117 * different sizes may be in order. */ 118 struct etna_bo *ts_bo = etna_resource(surf->base.texture)->ts_bo; 119 etna_compile_rs_state(ctx, &surf->clear_command, &(struct rs_state) { 120 .source_format = RS_FORMAT_A8R8G8B8, 121 .dest_format = RS_FORMAT_A8R8G8B8, 122 .dest = ts_bo, 123 .dest_offset = surf->surf.ts_offset, 124 .dest_stride = 0x40, 125 .dest_tiling = ETNA_LAYOUT_TILED, 126 .dither = {0xffffffff, 0xffffffff}, 127 .width = 16, 128 .height = etna_align_up(surf->surf.ts_size / 0x40, 4), 129 .clear_value = {ctx->specs.ts_clear_value}, 130 .clear_mode = VIVS_RS_CLEAR_CONTROL_MODE_ENABLED1, 131 .clear_bits = 0xffff 132 }); 133 } else { 134 etna_rs_gen_clear_surface(ctx, surf, surf->level->clear_value); 135 } 136 137 return &surf->base; 138 } 139 140 static void 141 etna_surface_destroy(struct pipe_context *pctx, struct pipe_surface *psurf) 142 { 143 pipe_resource_reference(&psurf->texture, NULL); 144 FREE(psurf); 145 } 146 147 void 148 etna_surface_init(struct pipe_context *pctx) 149 { 150 pctx->create_surface = etna_create_surface; 151 pctx->surface_destroy = etna_surface_destroy; 152 } 153
