/* * Copyright (c) 2012-2013 Etnaviv Project * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sub license, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the * next paragraph) shall be included in all copies or substantial portions * of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. * * Authors: * Wladimir J. van der Laan */ #include "etnaviv_surface.h" #include "etnaviv_screen.h" #include "etnaviv_clear_blit.h" #include "etnaviv_context.h" #include "etnaviv_translate.h" #include "pipe/p_defines.h" #include "pipe/p_state.h" #include "util/u_inlines.h" #include "util/u_memory.h" #include "hw/common.xml.h" #include "drm-uapi/drm_fourcc.h" static struct etna_resource * etna_render_handle_incompatible(struct pipe_context *pctx, struct pipe_resource *prsc) { struct etna_context *ctx = etna_context(pctx); struct etna_resource *res = etna_resource(prsc); bool need_multitiled = ctx->specs.pixel_pipes > 1 && !ctx->specs.single_buffer; bool want_supertiled = ctx->specs.can_supertile; /* Resource is compatible if it is tiled and has multi tiling when required * TODO: LINEAR_PE feature means render to linear is possible ? */ if (res->layout != ETNA_LAYOUT_LINEAR && (!need_multitiled || (res->layout & ETNA_LAYOUT_BIT_MULTI))) return res; if (!res->render) { struct pipe_resource templat = *prsc; unsigned layout = ETNA_LAYOUT_TILED; if (need_multitiled) layout |= ETNA_LAYOUT_BIT_MULTI; if (want_supertiled) layout |= ETNA_LAYOUT_BIT_SUPER; templat.bind &= (PIPE_BIND_DEPTH_STENCIL | PIPE_BIND_RENDER_TARGET | PIPE_BIND_BLENDABLE); res->render = etna_resource_alloc(pctx->screen, layout, DRM_FORMAT_MOD_LINEAR, &templat); assert(res->render); } return etna_resource(res->render); } static struct pipe_surface * etna_create_surface(struct pipe_context *pctx, struct pipe_resource *prsc, const struct pipe_surface *templat) { struct etna_context *ctx = etna_context(pctx); struct etna_resource *rsc = etna_render_handle_incompatible(pctx, prsc); struct etna_surface *surf = CALLOC_STRUCT(etna_surface); if (!surf) return NULL; assert(templat->u.tex.first_layer == templat->u.tex.last_layer); unsigned layer = templat->u.tex.first_layer; unsigned level = templat->u.tex.level; assert(layer < rsc->base.array_size); surf->base.context = pctx; pipe_reference_init(&surf->base.reference, 1); pipe_resource_reference(&surf->base.texture, &rsc->base); pipe_resource_reference(&surf->prsc, prsc); /* Allocate a TS for the resource if there isn't one yet, * and it is allowed by the hw (width is a multiple of 16). * Avoid doing this for GPUs with MC1.0, as kernel sources * indicate the tile status module bypasses the memory * offset and MMU. */ if (VIV_FEATURE(ctx->screen, chipFeatures, FAST_CLEAR) && VIV_FEATURE(ctx->screen, chipMinorFeatures0, MC20) && !rsc->ts_bo && (rsc->levels[level].padded_width & ETNA_RS_WIDTH_MASK) == 0 && (rsc->levels[level].padded_height & ETNA_RS_HEIGHT_MASK) == 0) { etna_screen_resource_alloc_ts(pctx->screen, rsc); } surf->base.texture = &rsc->base; surf->base.format = rsc->base.format; surf->base.width = rsc->levels[level].width; surf->base.height = rsc->levels[level].height; surf->base.writable = templat->writable; /* what is this for anyway */ surf->base.u = templat->u; surf->level = &rsc->levels[level]; /* Keep pointer to actual level to set * clear color on underlying resource * instead of surface */ surf->surf = rsc->levels [level]; /* Make copy of level to narrow down * address to layer */ /* XXX we don't really need a copy but it's convenient */ surf->surf.offset += layer * surf->surf.layer_stride; struct etna_resource_level *lev = &rsc->levels[level]; /* Setup template relocations for this surface */ for (unsigned pipe = 0; pipe < ctx->specs.pixel_pipes; ++pipe) { surf->reloc[pipe].bo = rsc->bo; surf->reloc[pipe].offset = surf->surf.offset; surf->reloc[pipe].flags = 0; } /* In single buffer mode, both pixel pipes must point to the same address, * for multi-tiled surfaces on the other hand the second pipe is expected to * point halfway the image vertically. */ if (rsc->layout & ETNA_LAYOUT_BIT_MULTI) surf->reloc[1].offset = surf->surf.offset + lev->stride * lev->padded_height / 2; if (surf->surf.ts_size) { unsigned int layer_offset = layer * surf->surf.ts_layer_stride; assert(layer_offset < surf->surf.ts_size); surf->surf.ts_offset += layer_offset; surf->surf.ts_size -= layer_offset; surf->surf.ts_valid = false; surf->ts_reloc.bo = rsc->ts_bo; surf->ts_reloc.offset = surf->surf.ts_offset; surf->ts_reloc.flags = 0; if (!ctx->specs.use_blt) { /* This (ab)uses the RS as a plain buffer memset(). * Currently uses a fixed row size of 64 bytes. Some benchmarking with * different sizes may be in order. */ struct etna_bo *ts_bo = etna_resource(surf->base.texture)->ts_bo; etna_compile_rs_state(ctx, &surf->clear_command, &(struct rs_state) { .source_format = RS_FORMAT_A8R8G8B8, .dest_format = RS_FORMAT_A8R8G8B8, .dest = ts_bo, .dest_offset = surf->surf.ts_offset, .dest_stride = 0x40, .dest_tiling = ETNA_LAYOUT_TILED, .dither = {0xffffffff, 0xffffffff}, .width = 16, .height = etna_align_up(surf->surf.ts_size / 0x40, 4), .clear_value = {ctx->specs.ts_clear_value}, .clear_mode = VIVS_RS_CLEAR_CONTROL_MODE_ENABLED1, .clear_bits = 0xffff }); } } else { if (!ctx->specs.use_blt) etna_rs_gen_clear_surface(ctx, surf, surf->level->clear_value); } return &surf->base; } static void etna_surface_destroy(struct pipe_context *pctx, struct pipe_surface *psurf) { pipe_resource_reference(&psurf->texture, NULL); pipe_resource_reference(&etna_surface(psurf)->prsc, NULL); FREE(psurf); } void etna_surface_init(struct pipe_context *pctx) { pctx->create_surface = etna_create_surface; pctx->surface_destroy = etna_surface_destroy; }