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 <panfrost-job.h>
  30 #include "pan_screen.h"
  31 #include "pan_allocate.h"
  32 #include "drm-uapi/drm.h"
  33 #include "util/u_range.h"
  34
  35 /* Describes the memory layout of a BO */
  36
  37 enum panfrost_memory_layout {
  38         PAN_LINEAR,
  39         PAN_TILED,
  40         PAN_AFBC
  41 };
  42
  43 struct panfrost_slice {
  44         unsigned offset;
  45         unsigned stride;
  46         unsigned size0;
  47
  48         /* If there is a header preceding each slice, how big is
  49          * that header?  Used for AFBC */
  50         unsigned header_size;
  51
  52         /* If checksumming is enabled following the slice, what
  53          * is its offset/stride? */
  54         unsigned checksum_offset;
  55         unsigned checksum_stride;
  56
  57         /* Has anything been written to this slice? */
  58         bool initialized;
  59 };
  60
  61 struct panfrost_resource {
  62         struct pipe_resource base;
  63         struct {
  64                 struct pipe_box biggest_rect;
  65                 struct pipe_scissor_state extent;
  66         } damage;
  67
  68         struct panfrost_bo *bo;
  69         struct renderonly_scanout *scanout;
  70
  71         struct panfrost_resource *separate_stencil;
  72
  73         struct util_range valid_buffer_range;
  74
  75         /* Description of the mip levels */
  76         struct panfrost_slice slices[MAX_MIP_LEVELS];
  77
  78         /* Distance from tree to tree */
  79         unsigned cubemap_stride;
  80
  81         /* Internal layout (tiled?) */
  82         enum panfrost_memory_layout layout;
  83
  84         /* Is transaciton elimination enabled? */
  85         bool checksummed;
  86
  87         enum pipe_format internal_format;
  88 };
  89
  90 static inline struct panfrost_resource *
  91 pan_resource(struct pipe_resource *p)
  92 {
  93         return (struct panfrost_resource *)p;
  94 }
  95
  96 struct panfrost_gtransfer {
  97         struct pipe_transfer base;
  98         void *map;
  99 };
 100
 101 static inline struct panfrost_gtransfer *
 102 pan_transfer(struct pipe_transfer *p)
 103 {
 104         return (struct panfrost_gtransfer *)p;
 105 }
 106
 107 mali_ptr
 108 panfrost_get_texture_address(
 109         struct panfrost_resource *rsrc,
 110         unsigned level, unsigned face);
 111
 112 void panfrost_resource_screen_init(struct panfrost_screen *screen);
 113
 114 void panfrost_resource_context_init(struct pipe_context *pctx);
 115
 116 void
 117 panfrost_resource_hint_layout(
 118                 struct panfrost_screen *screen,
 119                 struct panfrost_resource *rsrc,
 120                 enum panfrost_memory_layout layout,
 121                 signed weight);
 122
 123 /* AFBC */
 124
 125 bool
 126 panfrost_format_supports_afbc(enum pipe_format format);
 127
 128 unsigned
 129 panfrost_afbc_header_size(unsigned width, unsigned height);
 130
 131 /* Blitting */
 132
 133 void
 134 panfrost_blit(struct pipe_context *pipe,
 135               const struct pipe_blit_info *info);
 136
 137 void
 138 panfrost_blit_wallpaper(struct panfrost_context *ctx,
 139                         struct pipe_box *box);
 140
 141 void
 142 panfrost_resource_reset_damage(struct panfrost_resource *pres);
 143
 144 void
 145 panfrost_resource_set_damage_region(struct pipe_screen *screen,
 146                                     struct pipe_resource *res,
 147                                     unsigned int nrects,
 148                                     const struct pipe_box *rects);
 149
 150 #endif /* PAN_RESOURCE_H */