diff options
Diffstat (limited to 'src/gallium/drivers/etnaviv/etnaviv_surface.c')
| -rw-r--r-- | src/gallium/drivers/etnaviv/etnaviv_surface.c | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/src/gallium/drivers/etnaviv/etnaviv_surface.c b/src/gallium/drivers/etnaviv/etnaviv_surface.c new file mode 100644 index 00000000000..a0013a48bcf --- /dev/null +++ b/src/gallium/drivers/etnaviv/etnaviv_surface.c @@ -0,0 +1,152 @@ +/* + * 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 <[email protected]> + */ + +#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" + +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_resource(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); + + /* 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. */ + + /* XXX for now, don't do TS for render textures as this path + * is not stable. */ + if (VIV_FEATURE(ctx->screen, chipFeatures, FAST_CLEAR) && + VIV_FEATURE(ctx->screen, chipMinorFeatures0, MC20) && + !DBG_ENABLED(ETNA_DBG_NO_TS) && !rsc->ts_bo && + !(rsc->base.bind & (PIPE_BIND_SAMPLER_VIEW)) && + (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 */ + surf->reloc[0].bo = rsc->bo; + surf->reloc[0].offset = surf->surf.offset; + surf->reloc[0].flags = 0; + surf->reloc[1].bo = rsc->bo; + surf->reloc[1].offset = surf->surf.offset + lev->stride * lev->padded_height / 2; + surf->reloc[1].flags = 0; + + 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->ts_reloc.bo = rsc->ts_bo; + surf->ts_reloc.offset = surf->surf.ts_offset; + surf->ts_reloc.flags = 0; + + /* 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 { + 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); + FREE(psurf); +} + +void +etna_surface_init(struct pipe_context *pctx) +{ + pctx->create_surface = etna_create_surface; + pctx->surface_destroy = etna_surface_destroy; +} |