mirror of https://gitlab.freedesktop.org/mesa/mesa
62 lines
2.4 KiB
C
62 lines
2.4 KiB
C
/*
|
|
* Copyright (C) 2021 Alyssa Rosenzweig <alyssa@rosenzweig.io>
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#ifndef __AGX_TILING_H
|
|
#define __AGX_TILING_H
|
|
|
|
#include "util/u_math.h"
|
|
|
|
void agx_detile(void *tiled, void *linear,
|
|
unsigned width, unsigned bpp, unsigned linear_pitch,
|
|
unsigned sx, unsigned sy, unsigned smaxx, unsigned smaxy, unsigned tile_shift);
|
|
|
|
void agx_tile(void *tiled, void *linear,
|
|
unsigned width, unsigned bpp, unsigned linear_pitch,
|
|
unsigned sx, unsigned sy, unsigned smaxx, unsigned smaxy, unsigned tile_shift);
|
|
|
|
/* Select effective tile size given texture dimensions */
|
|
static inline unsigned
|
|
agx_select_tile_shift(unsigned width, unsigned height, unsigned level, unsigned blocksize)
|
|
{
|
|
/* Calculate effective width/height due to mipmapping */
|
|
width = u_minify(width, level);
|
|
height = u_minify(height, level);
|
|
|
|
/* Select the largest square power-of-two tile fitting in the image */
|
|
unsigned shift = util_logbase2_ceil(MIN3(width, height, 64));
|
|
|
|
/* Shrink based on block size */
|
|
if (blocksize > 4)
|
|
return MAX2(shift - 1, 0);
|
|
else
|
|
return shift;
|
|
}
|
|
|
|
static inline unsigned
|
|
agx_select_tile_size(unsigned width, unsigned height, unsigned level, unsigned blocksize)
|
|
{
|
|
return 1 << agx_select_tile_shift(width, height, level, blocksize);
|
|
}
|
|
|
|
#endif
|