src/gallium/drivers/panfrost/pan_resource.h

   1 /*
   2  * © Copyright2018-2019 Alyssa Rosenzweig
   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, sublicense,
   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 next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * 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 NONINFRINGEMENT.  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 FROM,
  20  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  21  * SOFTWARE.
  22  *
  23  */
  24
  25
  26 #ifndef PAN_RESOURCE_H
  27 #define PAN_RESOURCE_H
  28
  29 #include <midgard_pack.h>
  30 #include "pan_screen.h"
  31 #include "pan_pool.h"
  32 #include "pan_minmax_cache.h"
  33 #include "pan_texture.h"
  34 #include "pan_partial_update.h"
  35 #include "drm-uapi/drm.h"
  36 #include "util/u_range.h"
  37
  38 #define LAYOUT_CONVERT_THRESHOLD 8
  39
  40 struct panfrost_resource {
  41         struct pipe_resource base;
  42         struct {
  43                 struct pipe_scissor_state extent;
  44                 struct pan_rect *inverted_rects;
  45                 unsigned inverted_len;
  46         } damage;
  47
  48         struct panfrost_bo *bo;
  49         struct renderonly_scanout *scanout;
  50
  51         struct panfrost_resource *separate_stencil;
  52
  53         struct util_range valid_buffer_range;
  54
  55         /* Description of the mip levels */
  56         struct panfrost_slice slices[MAX_MIP_LEVELS];
  57
  58         /* Distance from tree to tree */
  59         unsigned cubemap_stride;
  60
  61         /* DRM fourcc code: linear, 16x16 u-interleaved, AFBC */
  62         uint64_t modifier;
  63
  64         /* Whether the modifier can be changed */
  65         bool modifier_constant;
  66
  67         /* Is transaciton elimination enabled? */
  68         bool checksummed;
  69
  70         /* Used to decide when to convert to another modifier */
  71         uint16_t modifier_updates;
  72
  73         enum pipe_format internal_format;
  74
  75         /* Cached min/max values for index buffers */
  76         struct panfrost_minmax_cache *index_cache;
  77 };
  78
  79 static inline struct panfrost_resource *
  80 pan_resource(struct pipe_resource *p)
  81 {
  82         return (struct panfrost_resource *)p;
  83 }
  84
  85 struct panfrost_gtransfer {
  86         struct pipe_transfer base;
  87         void *map;
  88         struct {
  89                 struct pipe_resource *rsrc;
  90                 struct pipe_box box;
  91         } staging;
  92 };
  93
  94 static inline struct panfrost_gtransfer *
  95 pan_transfer(struct pipe_transfer *p)
  96 {
  97         return (struct panfrost_gtransfer *)p;
  98 }
  99
 100 mali_ptr
 101 panfrost_get_texture_address(
 102         struct panfrost_resource *rsrc,
 103         unsigned level, unsigned face, unsigned sample);
 104
 105 void panfrost_resource_screen_init(struct pipe_screen *screen);
 106
 107 void panfrost_resource_context_init(struct pipe_context *pctx);
 108
 109 /* Blitting */
 110
 111 void
 112 panfrost_blit(struct pipe_context *pipe,
 113               const struct pipe_blit_info *info);
 114
 115 void
 116 panfrost_blit_wallpaper(struct panfrost_context *ctx,
 117                         struct pipe_box *box);
 118
 119 void
 120 panfrost_resource_set_damage_region(struct pipe_screen *screen,
 121                                     struct pipe_resource *res,
 122                                     unsigned int nrects,
 123                                     const struct pipe_box *rects);
 124
 125 static inline enum mali_texture_dimension
 126 panfrost_translate_texture_dimension(enum pipe_texture_target t) {
 127         switch (t)
 128         {
 129         case PIPE_BUFFER:
 130         case PIPE_TEXTURE_1D:
 131         case PIPE_TEXTURE_1D_ARRAY:
 132                 return MALI_TEXTURE_DIMENSION_1D;
 133
 134         case PIPE_TEXTURE_2D:
 135         case PIPE_TEXTURE_2D_ARRAY:
 136         case PIPE_TEXTURE_RECT:
 137                 return MALI_TEXTURE_DIMENSION_2D;
 138
 139         case PIPE_TEXTURE_3D:
 140                 return MALI_TEXTURE_DIMENSION_3D;
 141
 142         case PIPE_TEXTURE_CUBE:
 143         case PIPE_TEXTURE_CUBE_ARRAY:
 144                 return MALI_TEXTURE_DIMENSION_CUBE;
 145
 146         default:
 147                 unreachable("Unknown target");
 148         }
 149 }
 150
 151
 152 #endif /* PAN_RESOURCE_H */