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 "pan_minmax_cache.h"
  33 #include "pan_texture.h"
  34 #include "drm-uapi/drm.h"
  35 #include "util/u_range.h"
  36
  37 #define LAYOUT_CONVERT_THRESHOLD 8
  38
  39 struct panfrost_resource {
  40         struct pipe_resource base;
  41         struct {
  42                 struct pipe_box biggest_rect;
  43                 struct pipe_scissor_state extent;
  44         } damage;
  45
  46         struct panfrost_bo *bo;
  47         struct renderonly_scanout *scanout;
  48
  49         struct panfrost_resource *separate_stencil;
  50
  51         struct util_range valid_buffer_range;
  52
  53         /* Description of the mip levels */
  54         struct panfrost_slice slices[MAX_MIP_LEVELS];
  55
  56         /* Distance from tree to tree */
  57         unsigned cubemap_stride;
  58
  59         /* Internal layout (tiled?) */
  60         enum mali_texture_layout layout;
  61
  62         /* Whether the layout can be changed */
  63         bool layout_constant;
  64
  65         /* Is transaciton elimination enabled? */
  66         bool checksummed;
  67
  68         /* Used to decide when to convert to another layout */
  69         uint16_t layout_updates;
  70
  71         enum pipe_format internal_format;
  72
  73         /* Cached min/max values for index buffers */
  74         struct panfrost_minmax_cache *index_cache;
  75 };
  76
  77 static inline struct panfrost_resource *
  78 pan_resource(struct pipe_resource *p)
  79 {
  80         return (struct panfrost_resource *)p;
  81 }
  82
  83 struct panfrost_gtransfer {
  84         struct pipe_transfer base;
  85         void *map;
  86 };
  87
  88 static inline struct panfrost_gtransfer *
  89 pan_transfer(struct pipe_transfer *p)
  90 {
  91         return (struct panfrost_gtransfer *)p;
  92 }
  93
  94 mali_ptr
  95 panfrost_get_texture_address(
  96         struct panfrost_resource *rsrc,
  97         unsigned level, unsigned face, unsigned sample);
  98
  99 void panfrost_resource_screen_init(struct pipe_screen *screen);
 100
 101 void panfrost_resource_context_init(struct pipe_context *pctx);
 102
 103 void
 104 panfrost_resource_hint_layout(
 105                 struct panfrost_device *dev,
 106                 struct panfrost_resource *rsrc,
 107                 enum mali_texture_layout layout,
 108                 signed weight);
 109
 110 /* Blitting */
 111
 112 void
 113 panfrost_blit(struct pipe_context *pipe,
 114               const struct pipe_blit_info *info);
 115
 116 void
 117 panfrost_blit_wallpaper(struct panfrost_context *ctx,
 118                         struct pipe_box *box);
 119
 120 void
 121 panfrost_resource_reset_damage(struct panfrost_resource *pres);
 122
 123 void
 124 panfrost_resource_set_damage_region(struct pipe_screen *screen,
 125                                     struct pipe_resource *res,
 126                                     unsigned int nrects,
 127                                     const struct pipe_box *rects);
 128
 129 #endif /* PAN_RESOURCE_H */