src/gallium/drivers/etnaviv/etnaviv_texture.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_TEXTURE
  28 #define H_ETNAVIV_TEXTURE
  29
  30 #include "drm/etnaviv_drmif.h"
  31
  32 #include "pipe/p_context.h"
  33 #include "pipe/p_state.h"
  34
  35 struct etna_context;
  36
  37 struct etna_sampler_ts {
  38    unsigned enable:1;
  39    unsigned mode:1;
  40    uint32_t TS_SAMPLER_CONFIG;
  41    struct etna_reloc TS_SAMPLER_STATUS_BASE;
  42    uint32_t TS_SAMPLER_CLEAR_VALUE;
  43    uint32_t TS_SAMPLER_CLEAR_VALUE2;
  44 };
  45
  46 /* Initialize texture methods for context. */
  47 void
  48 etna_texture_init(struct pipe_context *pctx);
  49
  50 /* If the original resource is not compatible with the sampler.  Allocate
  51  * an appropriately tiled texture. */
  52 struct etna_resource *
  53 etna_texture_handle_incompatible(struct pipe_context *pctx, struct pipe_resource *prsc);
  54
  55 /* Create bit field that specifies which samplers are active and thus need to be
  56  * programmed
  57  * 32 bits is enough for 32 samplers. As far as I know this is the upper bound
  58  * supported on any Vivante hw
  59  * up to GC4000.
  60  */
  61 uint32_t
  62 active_samplers_bits(struct etna_context *ctx);
  63
  64 /* update TS / cache for a sampler if required */
  65 void
  66 etna_update_sampler_source(struct pipe_sampler_view *view, int num);
  67
  68 #endif