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/*
* 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"
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. */
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;
/* 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;
}
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