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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.
*/
/* Surface handling */
#include "etna_surface.h"
#include "etna_clear_blit.h"
#include "etna_internal.h"
#include "etna_pipe.h"
#include "etna_resource.h"
#include "etna_translate.h"
#include "pipe/p_defines.h"
#include "pipe/p_state.h"
#include "util/u_inlines.h"
#include "util/u_memory.h"
#include <etnaviv/common.xml.h>
#include <etnaviv/state.xml.h>
#include <etnaviv/state_3d.xml.h>
static struct pipe_surface *etna_pipe_create_surface(struct pipe_context *pipe,
struct pipe_resource *resource_,
const struct pipe_surface *templat)
{
struct etna_pipe_context *priv = etna_pipe_context(pipe);
struct etna_surface *surf = CALLOC_STRUCT(etna_surface);
struct etna_resource *resource = etna_resource(resource_);
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 < resource->base.array_size);
surf->base.context = pipe;
pipe_reference_init(&surf->base.reference, 1);
pipe_resource_reference(&surf->base.texture, &resource->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).
*/
/* XXX for now, don't do TS for render textures as this path
* is not stable.
*/
if(!DBG_ENABLED(ETNA_DBG_NO_TS) &&
!resource->ts_bo &&
!(resource->base.bind & (PIPE_BIND_SAMPLER_VIEW)) &&
(resource->levels[level].padded_width & ETNA_RS_WIDTH_MASK) == 0 &&
(resource->levels[level].padded_height & ETNA_RS_HEIGHT_MASK) == 0)
{
etna_screen_resource_alloc_ts(pipe->screen, resource);
}
surf->base.texture = &resource->base;
surf->base.format = resource->base.format;
surf->base.width = resource->levels[level].width;
surf->base.height = resource->levels[level].height;
surf->base.writable = templat->writable; // what is this for anyway
surf->base.u = templat->u;
surf->layout = resource->layout;
surf->level = &resource->levels[level]; /* Keep pointer to actual level to set clear color on */
/* underlying resource instead of surface */
surf->surf = resource->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;
if(surf->surf.ts_size)
{
/* 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(&surf->clear_command, &(struct rs_state){
.source_format = RS_FORMAT_A8R8G8B8,
.dest_format = RS_FORMAT_A8R8G8B8,
.dest_addr = etna_bo_gpu_address(ts_bo) + 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 = {priv->specs.ts_clear_value},
.clear_mode = VIVS_RS_CLEAR_CONTROL_MODE_ENABLED1,
.clear_bits = 0xffff
});
} else {
etna_rs_gen_clear_surface(&surf->clear_command, surf, surf->level->clear_value);
}
etna_resource_touch(pipe, surf->base.texture);
return &surf->base;
}
static void etna_pipe_surface_destroy(struct pipe_context *pipe, struct pipe_surface *surf)
{
//struct etna_pipe_context *priv = etna_pipe_context(pipe);
pipe_resource_reference(&surf->texture, NULL);
FREE(surf);
}
void etna_pipe_surface_init(struct pipe_context *pc)
{
pc->create_surface = etna_pipe_create_surface;
pc->surface_destroy = etna_pipe_surface_destroy;
}
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