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/*
* Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
* Copyright (C) 2019 Khaled Emara <ekhaled1836@gmail.com>
*
* 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, sublicense,
* 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 NONINFRINGEMENT. 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.
*/
#include "fd3_resource.h"
#include "fd3_format.h"
static uint32_t
setup_slices(struct fd_resource *rsc, uint32_t alignment, enum pipe_format format)
{
struct pipe_resource *prsc = &rsc->base;
struct fd_screen *screen = fd_screen(prsc->screen);
uint32_t pitchalign = screen->gmem_alignw;
uint32_t level, size = 0;
uint32_t width = prsc->width0;
uint32_t height = prsc->height0;
uint32_t depth = prsc->depth0;
for (level = 0; level <= prsc->last_level; level++) {
struct fdl_slice *slice = fd_resource_slice(rsc, level);
uint32_t blocks;
if (rsc->layout.tile_mode) {
if (prsc->target != PIPE_TEXTURE_CUBE) {
if (level == 0) {
width = util_next_power_of_two(width);
height = util_next_power_of_two(height);
}
width = MAX2(width, 8);
height = MAX2(height, 4);
// Multiplying by 4 is the result of the 4x4 tiling pattern.
slice->pitch = width * 4;
blocks = util_format_get_nblocks(format, width, height);
} else {
uint32_t twidth, theight;
twidth = align(width, 8);
theight = align(height, 4);
// Multiplying by 4 is the result of the 4x4 tiling pattern.
slice->pitch = twidth * 4;
blocks = util_format_get_nblocks(format, twidth, theight);
}
} else {
slice->pitch = width = align(width, pitchalign);
blocks = util_format_get_nblocks(format, slice->pitch, height);
}
slice->offset = size;
/* 1d array and 2d array textures must all have the same layer size
* for each miplevel on a3xx. 3d textures can have different layer
* sizes for high levels, but the hw auto-sizer is buggy (or at least
* different than what this code does), so as soon as the layer size
* range gets into range, we stop reducing it.
*/
if (prsc->target == PIPE_TEXTURE_3D && (
level == 1 ||
(level > 1 && fd_resource_slice(rsc, level - 1)->size0 > 0xf000)))
slice->size0 = align(blocks * rsc->layout.cpp, alignment);
else if (level == 0 || alignment == 1)
slice->size0 = align(blocks * rsc->layout.cpp, alignment);
else
slice->size0 = fd_resource_slice(rsc, level - 1)->size0;
size += slice->size0 * depth * prsc->array_size;
width = u_minify(width, 1);
height = u_minify(height, 1);
depth = u_minify(depth, 1);
}
return size;
}
uint32_t
fd3_setup_slices(struct fd_resource *rsc)
{
uint32_t alignment;
switch (rsc->base.target) {
case PIPE_TEXTURE_3D:
case PIPE_TEXTURE_1D_ARRAY:
case PIPE_TEXTURE_2D_ARRAY:
alignment = 4096;
break;
default:
alignment = 1;
break;
}
return setup_slices(rsc, alignment, rsc->base.format);
}
static bool
ok_format(enum pipe_format pfmt)
{
enum a3xx_color_fmt fmt = fd3_pipe2color(pfmt);
if (fmt == ~0)
return false;
switch (pfmt) {
case PIPE_FORMAT_R8_UINT:
case PIPE_FORMAT_R8_SINT:
case PIPE_FORMAT_Z32_FLOAT:
return false;
default:
break;
}
return true;
}
unsigned
fd3_tile_mode(const struct pipe_resource *tmpl)
{
if (ok_format(tmpl->format))
return TILE_4X4;
return LINEAR;
}
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