src/gallium/drivers/etnaviv/etnaviv_screen.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  *    Christian Gmeiner <christian.gmeiner@gmail.com>
  26  */
  27
  28 #ifndef H_ETNAVIV_SCREEN
  29 #define H_ETNAVIV_SCREEN
  30
  31 #include "etnaviv_internal.h"
  32
  33 #include "os/os_thread.h"
  34 #include "pipe/p_screen.h"
  35 #include "renderonly/renderonly.h"
  36 #include "util/slab.h"
  37
  38 struct etna_bo;
  39
  40 /* Enum with indices for each of the feature words */
  41 enum viv_features_word {
  42    viv_chipFeatures = 0,
  43    viv_chipMinorFeatures0 = 1,
  44    viv_chipMinorFeatures1 = 2,
  45    viv_chipMinorFeatures2 = 3,
  46    viv_chipMinorFeatures3 = 4,
  47    VIV_FEATURES_WORD_COUNT /* Must be last */
  48 };
  49
  50 /** Convenience macro to probe features from state.xml.h:
  51  * VIV_FEATURE(chipFeatures, FAST_CLEAR)
  52  * VIV_FEATURE(chipMinorFeatures1, AUTO_DISABLE)
  53  */
  54 #define VIV_FEATURE(screen, word, feature) \
  55    ((screen->features[viv_ ## word] & (word ## _ ## feature)) != 0)
  56
  57 struct etna_screen {
  58    struct pipe_screen base;
  59
  60    int refcnt;
  61    void *winsys_priv;
  62
  63    struct etna_device *dev;
  64    struct etna_gpu *gpu;
  65    struct etna_pipe *pipe;
  66    struct renderonly *ro;
  67
  68    struct slab_parent_pool transfer_pool;
  69
  70    uint32_t model;
  71    uint32_t revision;
  72    uint32_t features[5];
  73
  74    struct etna_specs specs;
  75 };
  76
  77 static inline struct etna_screen *
  78 etna_screen(struct pipe_screen *pscreen)
  79 {
  80    return (struct etna_screen *)pscreen;
  81 }
  82
  83 boolean
  84 etna_screen_bo_get_handle(struct pipe_screen *pscreen, struct etna_bo *bo,
  85                           unsigned stride, struct winsys_handle *whandle);
  86
  87 struct etna_bo *
  88 etna_screen_bo_from_handle(struct pipe_screen *pscreen,
  89                            struct winsys_handle *whandle, unsigned *out_stride);
  90
  91 struct pipe_screen *
  92 etna_screen_create(struct etna_device *dev, struct etna_gpu *gpu,
  93                    struct renderonly *ro);
  94
  95 #endif