src/panfrost/lib/pan_texture.h

   1 /*
   2  * Copyright (C) 2008 VMware, Inc.
   3  * Copyright (C) 2014 Broadcom
   4  * Copyright (C) 2018-2019 Alyssa Rosenzweig
   5  * Copyright (C) 2019-2020 Collabora, Ltd.
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the "Software"),
   9  * to deal in the Software without restriction, including without limitation
  10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  11  * and/or sell copies of the Software, and to permit persons to whom the
  12  * Software is furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the next
  15  * paragraph) shall be included in all copies or substantial portions of the
  16  * Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  19  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  20  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  21  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  22  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  23  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  24  * SOFTWARE.
  25  *
  26  */
  27
  28 #ifndef __PAN_TEXTURE_H
  29 #define __PAN_TEXTURE_H
  30
  31 #include <stdbool.h>
  32 #include "drm-uapi/drm_fourcc.h"
  33 #include "util/format/u_format.h"
  34 #include "compiler/shader_enums.h"
  35 #include "midgard_pack.h"
  36 #include "pan_bo.h"
  37
  38 #define PAN_MODIFIER_COUNT 4
  39 extern uint64_t pan_best_modifiers[PAN_MODIFIER_COUNT];
  40
  41 struct panfrost_slice {
  42         unsigned offset;
  43         unsigned stride;
  44         unsigned size0;
  45
  46         /* If there is a header preceding each slice, how big is
  47          * that header? Used for AFBC */
  48         unsigned header_size;
  49
  50         /* If checksumming is enabled following the slice, what
  51          * is its offset/stride? */
  52         unsigned checksum_offset;
  53         unsigned checksum_stride;
  54         struct panfrost_bo *checksum_bo;
  55
  56         /* Has anything been written to this slice? */
  57         bool initialized;
  58 };
  59
  60 struct pan_image {
  61         /* Format and size */
  62         uint16_t width0, height0, depth0, array_size;
  63         enum pipe_format format;
  64         enum mali_texture_type type;
  65         unsigned first_level, last_level;
  66         unsigned first_layer, last_layer;
  67         unsigned nr_samples;
  68         struct panfrost_bo *bo;
  69         struct panfrost_slice *slices;
  70         unsigned cubemap_stride;
  71         uint64_t modifier;
  72 };
  73
  74 unsigned
  75 panfrost_compute_checksum_size(
  76         struct panfrost_slice *slice,
  77         unsigned width,
  78         unsigned height);
  79
  80 /* AFBC */
  81
  82 bool
  83 panfrost_format_supports_afbc(enum pipe_format format);
  84
  85 unsigned
  86 panfrost_afbc_header_size(unsigned width, unsigned height);
  87
  88 bool
  89 panfrost_afbc_can_ytr(enum pipe_format format);
  90
  91 /* mali_texture_descriptor */
  92
  93 unsigned
  94 panfrost_estimate_texture_payload_size(
  95                 unsigned first_level, unsigned last_level,
  96                 unsigned first_layer, unsigned last_layer,
  97                 unsigned nr_samples,
  98                 enum mali_texture_type type, uint64_t modifier);
  99
 100 void
 101 panfrost_new_texture(
 102         void *out,
 103         uint16_t width, uint16_t height,
 104         uint16_t depth, uint16_t array_size,
 105         enum pipe_format format,
 106         enum mali_texture_type type,
 107         uint64_t modifier,
 108         unsigned first_level, unsigned last_level,
 109         unsigned first_layer, unsigned last_layer,
 110         unsigned nr_samples,
 111         unsigned cube_stride,
 112         unsigned swizzle,
 113         mali_ptr base,
 114         struct panfrost_slice *slices);
 115
 116 void
 117 panfrost_new_texture_bifrost(
 118         struct bifrost_texture_descriptor *descriptor,
 119         uint16_t width, uint16_t height,
 120         uint16_t depth, uint16_t array_size,
 121         enum pipe_format format,
 122         enum mali_texture_type type,
 123         uint64_t modifier,
 124         unsigned first_level, unsigned last_level,
 125         unsigned first_layer, unsigned last_layer,
 126         unsigned nr_samples,
 127         unsigned cube_stride,
 128         unsigned swizzle,
 129         mali_ptr base,
 130         struct panfrost_slice *slices,
 131         struct panfrost_bo *payload);
 132
 133
 134 unsigned
 135 panfrost_get_layer_stride(struct panfrost_slice *slices, bool is_3d, unsigned cube_stride, unsigned level);
 136
 137 unsigned
 138 panfrost_texture_offset(struct panfrost_slice *slices, bool is_3d, unsigned cube_stride, unsigned level, unsigned face, unsigned sample);
 139
 140 /* Formats */
 141
 142 struct panfrost_format {
 143         enum mali_format hw;
 144         unsigned bind;
 145 };
 146
 147 extern struct panfrost_format panfrost_pipe_format_table[PIPE_FORMAT_COUNT];
 148
 149 bool
 150 panfrost_is_z24s8_variant(enum pipe_format fmt);
 151
 152 unsigned
 153 panfrost_translate_swizzle_4(const unsigned char swizzle[4]);
 154
 155 void
 156 panfrost_invert_swizzle(const unsigned char *in, unsigned char *out);
 157
 158 static inline unsigned
 159 panfrost_get_default_swizzle(unsigned components)
 160 {
 161         switch (components) {
 162         case 1:
 163                 return (MALI_CHANNEL_RED << 0) | (MALI_CHANNEL_ZERO << 3) |
 164                         (MALI_CHANNEL_ZERO << 6) | (MALI_CHANNEL_ONE << 9);
 165         case 2:
 166                 return (MALI_CHANNEL_RED << 0) | (MALI_CHANNEL_GREEN << 3) |
 167                         (MALI_CHANNEL_ZERO << 6) | (MALI_CHANNEL_ONE << 9);
 168         case 3:
 169                 return (MALI_CHANNEL_RED << 0) | (MALI_CHANNEL_GREEN << 3) |
 170                         (MALI_CHANNEL_BLUE << 6) | (MALI_CHANNEL_ONE << 9);
 171         case 4:
 172                 return (MALI_CHANNEL_RED << 0) | (MALI_CHANNEL_GREEN << 3) |
 173                         (MALI_CHANNEL_BLUE << 6) | (MALI_CHANNEL_ALPHA << 9);
 174         default:
 175                 unreachable("Invalid number of components");
 176         }
 177 }
 178
 179 static inline unsigned
 180 panfrost_bifrost_swizzle(unsigned components)
 181 {
 182         /* Set all components to 0 and force w if needed */
 183         return components < 4 ? 0x10 : 0x00;
 184 }
 185
 186 enum mali_format
 187 panfrost_format_to_bifrost_blend(const struct util_format_description *desc);
 188
 189 struct pan_pool;
 190 struct pan_scoreboard;
 191
 192 void
 193 panfrost_init_blit_shaders(struct panfrost_device *dev);
 194
 195 void
 196 panfrost_load_midg(
 197                 struct pan_pool *pool,
 198                 struct pan_scoreboard *scoreboard,
 199                 mali_ptr blend_shader,
 200                 mali_ptr fbd,
 201                 mali_ptr coordinates, unsigned vertex_count,
 202                 struct pan_image *image,
 203                 unsigned loc);
 204
 205 /* DRM modifier helper */
 206
 207 #define drm_is_afbc(mod) \
 208         ((mod >> 52) == (DRM_FORMAT_MOD_ARM_TYPE_AFBC | \
 209                 (DRM_FORMAT_MOD_VENDOR_ARM << 4)))
 210
 211 #endif