src/gallium/drivers/ilo/core/ilo_state_surface.h

   1 /*
   2  * Mesa 3-D graphics library
   3  *
   4  * Copyright (C) 2015 LunarG, Inc.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included
  14  * in all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  21  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  22  * DEALINGS IN THE SOFTWARE.
  23  *
  24  * Authors:
  25  *    Chia-I Wu <olv@lunarg.com>
  26  */
  27
  28 #ifndef ILO_STATE_SURFACE_H
  29 #define ILO_STATE_SURFACE_H
  30
  31 #include "genhw/genhw.h"
  32 #include "intel_winsys.h"
  33
  34 #include "ilo_core.h"
  35 #include "ilo_dev.h"
  36
  37 struct ilo_buffer;
  38 struct ilo_image;
  39
  40 enum ilo_state_surface_access {
  41    ILO_STATE_SURFACE_ACCESS_SAMPLER,      /* sampling engine surfaces */
  42    ILO_STATE_SURFACE_ACCESS_DP_RENDER,    /* render target surfaces */
  43    ILO_STATE_SURFACE_ACCESS_DP_TYPED,     /* typed surfaces */
  44    ILO_STATE_SURFACE_ACCESS_DP_UNTYPED,   /* untyped surfaces */
  45    ILO_STATE_SURFACE_ACCESS_DP_DATA,
  46    ILO_STATE_SURFACE_ACCESS_DP_SVB,
  47 };
  48
  49 struct ilo_state_surface_buffer_info {
  50    const struct ilo_buffer *buf;
  51
  52    enum ilo_state_surface_access access;
  53
  54    enum gen_surface_format format;
  55    uint8_t format_size;
  56
  57    bool readonly;
  58    uint16_t struct_size;
  59
  60    uint32_t offset;
  61    uint32_t size;
  62 };
  63
  64 struct ilo_state_surface_image_info {
  65    const struct ilo_image *img;
  66
  67    enum ilo_state_surface_access access;
  68
  69    enum gen_surface_format format;
  70    bool is_integer;
  71
  72    bool readonly;
  73    bool is_cube_map;
  74    bool is_array;
  75
  76    uint8_t level_base;
  77    uint8_t level_count;
  78    uint16_t slice_base;
  79    uint16_t slice_count;
  80 };
  81
  82 struct ilo_state_surface {
  83    uint32_t surface[13];
  84
  85    enum gen_surface_type type;
  86    uint8_t min_lod;
  87    uint8_t mip_count;
  88    bool is_integer;
  89
  90    bool readonly;
  91    bool scanout;
  92
  93    /* managed by users */
  94    struct intel_bo *bo;
  95 };
  96
  97 bool
  98 ilo_state_surface_init_for_null(struct ilo_state_surface *surf,
  99                                 const struct ilo_dev *dev);
 100
 101 bool
 102 ilo_state_surface_init_for_buffer(struct ilo_state_surface *surf,
 103                                   const struct ilo_dev *dev,
 104                                   const struct ilo_state_surface_buffer_info *info);
 105
 106 bool
 107 ilo_state_surface_init_for_image(struct ilo_state_surface *surf,
 108                                  const struct ilo_dev *dev,
 109                                  const struct ilo_state_surface_image_info *info);
 110
 111 bool
 112 ilo_state_surface_set_scs(struct ilo_state_surface *surf,
 113                           const struct ilo_dev *dev,
 114                           enum gen_surface_scs rgba[4]);
 115
 116 #endif /* ILO_STATE_SURFACE_H */