src/gallium/drivers/etnaviv/etnaviv_tiling.h

   1 /*
   2  * Copyright (c) 2012-2015 Etnaviv Project
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sub license,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the
  12  * next paragraph) shall be included in all copies or substantial portions
  13  * of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  21  * DEALINGS IN THE SOFTWARE.
  22  *
  23  * Authors:
  24  *    Wladimir J. van der Laan <laanwj@gmail.com>
  25  */
  26
  27 #ifndef H_ETNAVIV_TILING
  28 #define H_ETNAVIV_TILING
  29
  30 #include <stdint.h>
  31
  32 /* texture or surface layout */
  33 enum etna_surface_layout {
  34    ETNA_LAYOUT_BIT_TILE = (1 << 0),
  35    ETNA_LAYOUT_BIT_SUPER = (1 << 1),
  36    ETNA_LAYOUT_BIT_MULTI = (1 << 2),
  37    ETNA_LAYOUT_LINEAR = 0,
  38    ETNA_LAYOUT_TILED = ETNA_LAYOUT_BIT_TILE,
  39    ETNA_LAYOUT_SUPER_TILED = ETNA_LAYOUT_BIT_TILE | ETNA_LAYOUT_BIT_SUPER,
  40    ETNA_LAYOUT_MULTI_TILED = ETNA_LAYOUT_BIT_TILE | ETNA_LAYOUT_BIT_MULTI,
  41    ETNA_LAYOUT_MULTI_SUPERTILED = ETNA_LAYOUT_BIT_TILE | ETNA_LAYOUT_BIT_SUPER | ETNA_LAYOUT_BIT_MULTI,
  42 };
  43
  44 void
  45 etna_texture_tile(void *dest, void *src, unsigned basex, unsigned basey,
  46                  unsigned dst_stride, unsigned width, unsigned height,
  47                  unsigned src_stride, unsigned elmtsize);
  48 void
  49 etna_texture_untile(void *dest, void *src, unsigned basex, unsigned basey,
  50                    unsigned src_stride, unsigned width, unsigned height,
  51                    unsigned dst_stride, unsigned elmtsize);
  52
  53 /* XXX from/to supertiling (can have different layouts, may be better
  54  * to leave to RS) */
  55
  56 #endif