| /* |
| * 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 <laanwj@gmail.com> |
| */ |
| |
| #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_screen *screen = ctx->screen; |
| struct etna_resource *res = etna_resource(prsc); |
| bool need_multitiled = screen->specs.pixel_pipes > 1 && !screen->specs.single_buffer; |
| bool want_supertiled = screen->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_screen *screen = ctx->screen; |
| 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(screen, chipFeatures, FAST_CLEAR) && |
| VIV_FEATURE(screen, chipMinorFeatures0, MC20) && |
| !rsc->ts_bo && |
| /* needs to be RS/BLT compatible for transfer_map/unmap */ |
| (rsc->levels[level].padded_width & ETNA_RS_WIDTH_MASK) == 0 && |
| (rsc->levels[level].padded_height & ETNA_RS_HEIGHT_MASK) == 0 && |
| etna_resource_hw_tileable(screen->specs.use_blt, prsc)) { |
| etna_screen_resource_alloc_ts(pctx->screen, rsc); |
| } |
| |
| surf->base.texture = &rsc->base; |
| surf->base.format = templat->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 < screen->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 (!screen->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 = {screen->specs.ts_clear_value}, |
| .clear_mode = VIVS_RS_CLEAR_CONTROL_MODE_ENABLED1, |
| .clear_bits = 0xffff |
| }); |
| } |
| } else { |
| if (!screen->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; |
| } |