1/*
2 * Copyright © 2021 Raspberry Pi Ltd
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
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21 * IN THE SOFTWARE.
22 */
23
24#include "v3dv_private.h"
25#include "broadcom/common/v3d_macros.h"
26#include "broadcom/cle/v3dx_pack.h"
27#include "broadcom/compiler/v3d_compiler.h"
28
29/*
30 * Returns how much space a given descriptor type needs on a bo (GPU
31 * memory).
32 */
33uint32_t
34v3dX(descriptor_bo_size)(VkDescriptorType type)
35{
36   switch(type) {
37   case VK_DESCRIPTOR_TYPE_SAMPLER:
38      return cl_aligned_packet_length(SAMPLER_STATE, 32);
39   case VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER:
40      return cl_aligned_packet_length(SAMPLER_STATE, 32) +
41         cl_aligned_packet_length(TEXTURE_SHADER_STATE, 32);
42   case VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE:
43   case VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT:
44   case VK_DESCRIPTOR_TYPE_STORAGE_IMAGE:
45   case VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER:
46   case VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER:
47      return cl_aligned_packet_length(TEXTURE_SHADER_STATE, 32);
48   default:
49      return 0;
50   }
51}
52
53/* To compute the max_bo_size we want to iterate through the descriptor
54 * types. Unfourtunately we can't just use the descriptor type enum values, as
55 * the values are not defined consecutively (so extensions could add new
56 * descriptor types), and VK_DESCRIPTOR_TYPE_MAX_ENUM is also a really big
57 * number.
58 */
59static const uint32_t supported_descriptor_types[] = {
60   VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
61   VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
62   VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC,
63   VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC,
64   VK_DESCRIPTOR_TYPE_SAMPLER,
65   VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE,
66   VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
67   VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT,
68   VK_DESCRIPTOR_TYPE_STORAGE_IMAGE,
69   VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER,
70   VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER,
71};
72
73uint32_t
74v3dX(max_descriptor_bo_size)(void)
75{
76   static uint32_t max = 0;
77
78   if (max == 0) {
79      for (uint32_t i = 0; i < ARRAY_SIZE(supported_descriptor_types); i++)
80         max = MAX2(max, v3dX(descriptor_bo_size)(supported_descriptor_types[i]));
81   }
82   assert(max != 0);
83
84   return max;
85}
86
87
88uint32_t
89v3dX(combined_image_sampler_texture_state_offset)(void)
90{
91   return 0;
92}
93
94uint32_t
95v3dX(combined_image_sampler_sampler_state_offset)(void)
96{
97   return cl_aligned_packet_length(TEXTURE_SHADER_STATE, 32);
98}
99