1/*
2 * Copyright 2010 Jerome Glisse <glisse@freedesktop.org>
3 * Copyright 2015-2021 Advanced Micro Devices, Inc.
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * on the rights to use, copy, modify, merge, publish, distribute, sub
10 * license, and/or sell copies of the Software, and to permit persons to whom
11 * the Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice (including the next
14 * paragraph) shall be included in all copies or substantial portions of the
15 * Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
21 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
22 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
23 * USE OR OTHER DEALINGS IN THE SOFTWARE.
24 */
25#include "util/u_memory.h"
26#include "radv_cs.h"
27#include "radv_private.h"
28#include "sid.h"
29
30static bool
31radv_translate_format_to_hw(struct radeon_info *info, VkFormat format, unsigned *hw_fmt,
32                            unsigned *hw_type)
33{
34   const struct util_format_description *desc = vk_format_description(format);
35   *hw_fmt = radv_translate_colorformat(format);
36
37   int firstchan;
38   for (firstchan = 0; firstchan < 4; firstchan++) {
39      if (desc->channel[firstchan].type != UTIL_FORMAT_TYPE_VOID) {
40         break;
41      }
42   }
43   if (firstchan == 4 || desc->channel[firstchan].type == UTIL_FORMAT_TYPE_FLOAT) {
44      *hw_type = V_028C70_NUMBER_FLOAT;
45   } else {
46      *hw_type = V_028C70_NUMBER_UNORM;
47      if (desc->colorspace == UTIL_FORMAT_COLORSPACE_SRGB)
48         *hw_type = V_028C70_NUMBER_SRGB;
49      else if (desc->channel[firstchan].type == UTIL_FORMAT_TYPE_SIGNED) {
50         if (desc->channel[firstchan].pure_integer) {
51            *hw_type = V_028C70_NUMBER_SINT;
52         } else {
53            assert(desc->channel[firstchan].normalized);
54            *hw_type = V_028C70_NUMBER_SNORM;
55         }
56      } else if (desc->channel[firstchan].type == UTIL_FORMAT_TYPE_UNSIGNED) {
57         if (desc->channel[firstchan].pure_integer) {
58            *hw_type = V_028C70_NUMBER_UINT;
59         } else {
60            assert(desc->channel[firstchan].normalized);
61            *hw_type = V_028C70_NUMBER_UNORM;
62         }
63      } else {
64         return false;
65      }
66   }
67   return true;
68}
69
70static bool
71radv_sdma_v4_v5_copy_image_to_buffer(struct radv_cmd_buffer *cmd_buffer, struct radv_image *image,
72                                     struct radv_buffer *buffer,
73                                     const VkBufferImageCopy2 *region)
74{
75   assert(image->plane_count == 1);
76   struct radv_device *device = cmd_buffer->device;
77   unsigned bpp = image->planes[0].surface.bpe;
78   uint64_t dst_address = buffer->bo->va;
79   uint64_t src_address = image->bindings[0].bo->va + image->planes[0].surface.u.gfx9.surf_offset;
80   unsigned src_pitch = image->planes[0].surface.u.gfx9.surf_pitch;
81   unsigned copy_width = DIV_ROUND_UP(image->info.width, image->planes[0].surface.blk_w);
82   unsigned copy_height = DIV_ROUND_UP(image->info.height, image->planes[0].surface.blk_h);
83   bool tmz = false;
84
85   uint32_t ib_pad_dw_mask = cmd_buffer->device->physical_device->rad_info.ib_pad_dw_mask[AMD_IP_SDMA];
86
87   /* Linear -> linear sub-window copy. */
88   if (image->planes[0].surface.is_linear) {
89      ASSERTED unsigned cdw_max =
90         radeon_check_space(cmd_buffer->device->ws, cmd_buffer->cs, align(8, ib_pad_dw_mask + 1));
91      unsigned bytes = src_pitch * copy_height * bpp;
92
93      if (!(bytes < (1u << 22)))
94         return false;
95
96      radeon_emit(cmd_buffer->cs, 0x00000000);
97
98      src_address += image->planes[0].surface.u.gfx9.offset[0];
99
100      radeon_emit(cmd_buffer->cs, CIK_SDMA_PACKET(CIK_SDMA_OPCODE_COPY,
101                                                  CIK_SDMA_COPY_SUB_OPCODE_LINEAR, (tmz ? 4 : 0)));
102      radeon_emit(cmd_buffer->cs, bytes);
103      radeon_emit(cmd_buffer->cs, 0);
104      radeon_emit(cmd_buffer->cs, src_address);
105      radeon_emit(cmd_buffer->cs, src_address >> 32);
106      radeon_emit(cmd_buffer->cs, dst_address);
107      radeon_emit(cmd_buffer->cs, dst_address >> 32);
108
109      while (cmd_buffer->cs->cdw & ib_pad_dw_mask)
110         radeon_emit(cmd_buffer->cs, SDMA_NOP_PAD);
111
112      assert(cmd_buffer->cs->cdw <= cdw_max);
113
114      return true;
115   }
116   /* Tiled sub-window copy -> Linear */
117   else {
118      unsigned tiled_width = copy_width;
119      unsigned tiled_height = copy_height;
120      unsigned linear_pitch = region->bufferRowLength;
121      unsigned linear_slice_pitch = region->bufferRowLength * copy_height;
122      uint64_t tiled_address = src_address;
123      uint64_t linear_address = dst_address;
124      bool is_v5 = device->physical_device->rad_info.gfx_level >= GFX10;
125      /* Only SDMA 5 supports DCC with SDMA */
126      bool dcc = radv_dcc_enabled(image, 0) && is_v5;
127
128      /* Check if everything fits into the bitfields */
129      if (!(tiled_width < (1 << 14) && tiled_height < (1 << 14) && linear_pitch < (1 << 14) &&
130            linear_slice_pitch < (1 << 28) && copy_width < (1 << 14) && copy_height < (1 << 14)))
131         return false;
132
133      ASSERTED unsigned cdw_max = radeon_check_space(cmd_buffer->device->ws, cmd_buffer->cs,
134                                                     align(15 + dcc * 3, ib_pad_dw_mask + 1));
135
136      radeon_emit(cmd_buffer->cs, 0x00000000);
137      radeon_emit(cmd_buffer->cs,
138                  CIK_SDMA_PACKET(CIK_SDMA_OPCODE_COPY, CIK_SDMA_COPY_SUB_OPCODE_TILED_SUB_WINDOW,
139                                  (tmz ? 4 : 0)) |
140                     dcc << 19 | (is_v5 ? 0 : 0 /* tiled->buffer.b.b.last_level */) << 20 |
141                     1u << 31);
142      radeon_emit(cmd_buffer->cs,
143                  (uint32_t)tiled_address | (image->planes[0].surface.tile_swizzle << 8));
144      radeon_emit(cmd_buffer->cs, (uint32_t)(tiled_address >> 32));
145      radeon_emit(cmd_buffer->cs, 0);
146      radeon_emit(cmd_buffer->cs, ((tiled_width - 1) << 16));
147      radeon_emit(cmd_buffer->cs, (tiled_height - 1));
148      radeon_emit(
149         cmd_buffer->cs,
150         util_logbase2(bpp) | image->planes[0].surface.u.gfx9.swizzle_mode << 3 |
151            image->planes[0].surface.u.gfx9.resource_type << 9 |
152            (is_v5 ? 0 /* tiled->buffer.b.b.last_level */ : image->planes[0].surface.u.gfx9.epitch)
153               << 16);
154      radeon_emit(cmd_buffer->cs, (uint32_t)linear_address);
155      radeon_emit(cmd_buffer->cs, (uint32_t)(linear_address >> 32));
156      radeon_emit(cmd_buffer->cs, 0);
157      radeon_emit(cmd_buffer->cs, ((linear_pitch - 1) << 16));
158      radeon_emit(cmd_buffer->cs, linear_slice_pitch - 1);
159      radeon_emit(cmd_buffer->cs, (copy_width - 1) | ((copy_height - 1) << 16));
160      radeon_emit(cmd_buffer->cs, 0);
161
162      if (dcc) {
163         unsigned hw_fmt, hw_type;
164         uint64_t md_address = tiled_address + image->planes[0].surface.meta_offset;
165
166         radv_translate_format_to_hw(&device->physical_device->rad_info, image->vk.format, &hw_fmt,
167                                     &hw_type);
168
169         /* Add metadata */
170         radeon_emit(cmd_buffer->cs, (uint32_t)md_address);
171         radeon_emit(cmd_buffer->cs, (uint32_t)(md_address >> 32));
172         radeon_emit(cmd_buffer->cs,
173                     hw_fmt | vi_alpha_is_on_msb(device, image->vk.format) << 8 | hw_type << 9 |
174                        image->planes[0].surface.u.gfx9.color.dcc.max_compressed_block_size << 24 |
175                        V_028C78_MAX_BLOCK_SIZE_256B << 26 | tmz << 29 |
176                        image->planes[0].surface.u.gfx9.color.dcc.pipe_aligned << 31);
177      }
178
179      while (cmd_buffer->cs->cdw & ib_pad_dw_mask)
180         radeon_emit(cmd_buffer->cs, SDMA_NOP_PAD);
181
182      assert(cmd_buffer->cs->cdw <= cdw_max);
183
184      return true;
185   }
186
187   return false;
188}
189
190bool
191radv_sdma_copy_image(struct radv_cmd_buffer *cmd_buffer, struct radv_image *image,
192                     struct radv_buffer *buffer, const VkBufferImageCopy2 *region)
193{
194   assert(cmd_buffer->device->physical_device->rad_info.gfx_level >= GFX9);
195   return radv_sdma_v4_v5_copy_image_to_buffer(cmd_buffer, image, buffer, region);
196}
197