src/panfrost/encoder/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 "util/format/u_format.h"
  33 #include "compiler/shader_enums.h"
  34 #include "panfrost-job.h"
  35 #include "pan_bo.h"
  36
  37 struct panfrost_slice {
  38         unsigned offset;
  39         unsigned stride;
  40         unsigned size0;
  41
  42         /* If there is a header preceding each slice, how big is
  43          * that header? Used for AFBC */
  44         unsigned header_size;
  45
  46         /* If checksumming is enabled following the slice, what
  47          * is its offset/stride? */
  48         unsigned checksum_offset;
  49         unsigned checksum_stride;
  50         struct panfrost_bo *checksum_bo;
  51
  52         /* Has anything been written to this slice? */
  53         bool initialized;
  54 };
  55
  56 struct pan_image {
  57         /* Format and size */
  58         uint16_t width0, height0, depth0, array_size;
  59         enum pipe_format format;
  60         enum mali_texture_type type;
  61         unsigned first_level, last_level;
  62         unsigned first_layer, last_layer;
  63         unsigned nr_samples;
  64         struct panfrost_bo *bo;
  65         struct panfrost_slice *slices;
  66         unsigned cubemap_stride;
  67         enum mali_texture_layout layout;
  68 };
  69
  70 unsigned
  71 panfrost_compute_checksum_size(
  72         struct panfrost_slice *slice,
  73         unsigned width,
  74         unsigned height);
  75
  76 /* AFBC */
  77
  78 bool
  79 panfrost_format_supports_afbc(enum pipe_format format);
  80
  81 unsigned
  82 panfrost_afbc_header_size(unsigned width, unsigned height);
  83
  84 /* mali_texture_descriptor */
  85
  86 unsigned
  87 panfrost_estimate_texture_payload_size(
  88                 unsigned first_level, unsigned last_level,
  89                 unsigned first_layer, unsigned last_layer,
  90                 unsigned nr_samples,
  91                 enum mali_texture_type type, enum mali_texture_layout layout);
  92
  93 void
  94 panfrost_new_texture(
  95         void *out,
  96         uint16_t width, uint16_t height,
  97         uint16_t depth, uint16_t array_size,
  98         enum pipe_format format,
  99         enum mali_texture_type type,
 100         enum mali_texture_layout layout,
 101         unsigned first_level, unsigned last_level,
 102         unsigned first_layer, unsigned last_layer,
 103         unsigned nr_samples,
 104         unsigned cube_stride,
 105         unsigned swizzle,
 106         mali_ptr base,
 107         struct panfrost_slice *slices);
 108
 109 void
 110 panfrost_new_texture_bifrost(
 111         struct bifrost_texture_descriptor *descriptor,
 112         uint16_t width, uint16_t height,
 113         uint16_t depth, uint16_t array_size,
 114         enum pipe_format format,
 115         enum mali_texture_type type,
 116         enum mali_texture_layout layout,
 117         unsigned first_level, unsigned last_level,
 118         unsigned first_layer, unsigned last_layer,
 119         unsigned nr_samples,
 120         unsigned cube_stride,
 121         unsigned swizzle,
 122         mali_ptr base,
 123         struct panfrost_slice *slices,
 124         struct panfrost_bo *payload);
 125
 126
 127 unsigned
 128 panfrost_get_layer_stride(struct panfrost_slice *slices, bool is_3d, unsigned cube_stride, unsigned level);
 129
 130 unsigned
 131 panfrost_texture_offset(struct panfrost_slice *slices, bool is_3d, unsigned cube_stride, unsigned level, unsigned face, unsigned sample);
 132
 133 /* Formats */
 134
 135 struct panfrost_format {
 136         enum mali_format hw;
 137         unsigned bind;
 138 };
 139
 140 extern struct panfrost_format panfrost_pipe_format_table[PIPE_FORMAT_COUNT];
 141
 142 bool
 143 panfrost_is_z24s8_variant(enum pipe_format fmt);
 144
 145 unsigned
 146 panfrost_translate_swizzle_4(const unsigned char swizzle[4]);
 147
 148 void
 149 panfrost_invert_swizzle(const unsigned char *in, unsigned char *out);
 150
 151 static inline unsigned
 152 panfrost_get_default_swizzle(unsigned components)
 153 {
 154         switch (components) {
 155         case 1:
 156                 return (MALI_CHANNEL_RED << 0) | (MALI_CHANNEL_ZERO << 3) |
 157                         (MALI_CHANNEL_ZERO << 6) | (MALI_CHANNEL_ONE << 9);
 158         case 2:
 159                 return (MALI_CHANNEL_RED << 0) | (MALI_CHANNEL_GREEN << 3) |
 160                         (MALI_CHANNEL_ZERO << 6) | (MALI_CHANNEL_ONE << 9);
 161         case 3:
 162                 return (MALI_CHANNEL_RED << 0) | (MALI_CHANNEL_GREEN << 3) |
 163                         (MALI_CHANNEL_BLUE << 6) | (MALI_CHANNEL_ONE << 9);
 164         case 4:
 165                 return (MALI_CHANNEL_RED << 0) | (MALI_CHANNEL_GREEN << 3) |
 166                         (MALI_CHANNEL_BLUE << 6) | (MALI_CHANNEL_ALPHA << 9);
 167         default:
 168                 unreachable("Invalid number of components");
 169         }
 170 }
 171
 172 static inline unsigned
 173 panfrost_bifrost_swizzle(unsigned components)
 174 {
 175         /* Set all components to 0 and force w if needed */
 176         return components < 4 ? 0x10 : 0x00;
 177 }
 178
 179 enum mali_format
 180 panfrost_format_to_bifrost_blend(const struct util_format_description *desc);
 181
 182 struct pan_pool;
 183 struct pan_scoreboard;
 184
 185 void
 186 panfrost_init_blit_shaders(struct panfrost_device *dev);
 187
 188 void
 189 panfrost_load_midg(
 190                 struct pan_pool *pool,
 191                 struct pan_scoreboard *scoreboard,
 192                 mali_ptr blend_shader,
 193                 mali_ptr fbd,
 194                 mali_ptr coordinates, unsigned vertex_count,
 195                 struct pan_image *image,
 196                 unsigned loc);
 197
 198 #endif