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 * Packs and ensure bo for the shader state (the latter can be temporal).
31 */
32 static void
pack_texture_shader_state_helper(struct v3dv_device * device,struct v3dv_image_view * image_view,bool for_cube_map_array_storage)33 pack_texture_shader_state_helper(struct v3dv_device *device,
34 struct v3dv_image_view *image_view,
35 bool for_cube_map_array_storage)
36 {
37 assert(!for_cube_map_array_storage ||
38 image_view->vk.view_type == VK_IMAGE_VIEW_TYPE_CUBE_ARRAY);
39 const uint32_t index = for_cube_map_array_storage ? 1 : 0;
40
41 assert(image_view->vk.image);
42 const struct v3dv_image *image = (struct v3dv_image *) image_view->vk.image;
43
44 assert(image->vk.samples == VK_SAMPLE_COUNT_1_BIT ||
45 image->vk.samples == VK_SAMPLE_COUNT_4_BIT);
46 const uint32_t msaa_scale = image->vk.samples == VK_SAMPLE_COUNT_1_BIT ? 1 : 2;
47
48 v3dvx_pack(image_view->texture_shader_state[index], TEXTURE_SHADER_STATE, tex) {
49
50 tex.level_0_is_strictly_uif =
51 (image->slices[0].tiling == V3D_TILING_UIF_XOR ||
52 image->slices[0].tiling == V3D_TILING_UIF_NO_XOR);
53
54 tex.level_0_xor_enable = (image->slices[0].tiling == V3D_TILING_UIF_XOR);
55
56 if (tex.level_0_is_strictly_uif)
57 tex.level_0_ub_pad = image->slices[0].ub_pad;
58
59 /* FIXME: v3d never sets uif_xor_disable, but uses it on the following
60 * check so let's set the default value
61 */
62 tex.uif_xor_disable = false;
63 if (tex.uif_xor_disable ||
64 tex.level_0_is_strictly_uif) {
65 tex.extended = true;
66 }
67
68 tex.base_level = image_view->vk.base_mip_level;
69 tex.max_level = image_view->vk.base_mip_level +
70 image_view->vk.level_count - 1;
71
72 tex.swizzle_r = v3d_translate_pipe_swizzle(image_view->swizzle[0]);
73 tex.swizzle_g = v3d_translate_pipe_swizzle(image_view->swizzle[1]);
74 tex.swizzle_b = v3d_translate_pipe_swizzle(image_view->swizzle[2]);
75 tex.swizzle_a = v3d_translate_pipe_swizzle(image_view->swizzle[3]);
76
77 tex.reverse_standard_border_color = image_view->channel_reverse;
78
79 tex.texture_type = image_view->format->tex_type;
80
81 if (image->vk.image_type == VK_IMAGE_TYPE_3D) {
82 tex.image_depth = image->vk.extent.depth;
83 } else {
84 tex.image_depth = image_view->vk.layer_count;
85 }
86
87 /* Empirical testing with CTS shows that when we are sampling from cube
88 * arrays we want to set image depth to layers / 6, but not when doing
89 * image load/store.
90 */
91 if (image_view->vk.view_type == VK_IMAGE_VIEW_TYPE_CUBE_ARRAY &&
92 !for_cube_map_array_storage) {
93 assert(tex.image_depth % 6 == 0);
94 tex.image_depth /= 6;
95 }
96
97 tex.image_height = image->vk.extent.height * msaa_scale;
98 tex.image_width = image->vk.extent.width * msaa_scale;
99
100 /* On 4.x, the height of a 1D texture is redefined to be the
101 * upper 14 bits of the width (which is only usable with txf).
102 */
103 if (image->vk.image_type == VK_IMAGE_TYPE_1D) {
104 tex.image_height = tex.image_width >> 14;
105 }
106 tex.image_width &= (1 << 14) - 1;
107 tex.image_height &= (1 << 14) - 1;
108
109 tex.array_stride_64_byte_aligned = image->cube_map_stride / 64;
110
111 tex.srgb = vk_format_is_srgb(image_view->vk.view_format);
112
113 /* At this point we don't have the job. That's the reason the first
114 * parameter is NULL, to avoid a crash when cl_pack_emit_reloc tries to
115 * add the bo to the job. This also means that we need to add manually
116 * the image bo to the job using the texture.
117 */
118 const uint32_t base_offset =
119 image->mem->bo->offset +
120 v3dv_layer_offset(image, 0, image_view->vk.base_array_layer);
121 tex.texture_base_pointer = v3dv_cl_address(NULL, base_offset);
122 }
123 }
124
125 void
v3dX(pack_texture_shader_state)126 v3dX(pack_texture_shader_state)(struct v3dv_device *device,
127 struct v3dv_image_view *iview)
128 {
129 pack_texture_shader_state_helper(device, iview, false);
130 if (iview->vk.view_type == VK_IMAGE_VIEW_TYPE_CUBE_ARRAY)
131 pack_texture_shader_state_helper(device, iview, true);
132 }
133
134 void
v3dX(pack_texture_shader_state_from_buffer_view)135 v3dX(pack_texture_shader_state_from_buffer_view)(struct v3dv_device *device,
136 struct v3dv_buffer_view *buffer_view)
137 {
138 assert(buffer_view->buffer);
139 const struct v3dv_buffer *buffer = buffer_view->buffer;
140
141 v3dvx_pack(buffer_view->texture_shader_state, TEXTURE_SHADER_STATE, tex) {
142 tex.swizzle_r = v3d_translate_pipe_swizzle(PIPE_SWIZZLE_X);
143 tex.swizzle_g = v3d_translate_pipe_swizzle(PIPE_SWIZZLE_Y);
144 tex.swizzle_b = v3d_translate_pipe_swizzle(PIPE_SWIZZLE_Z);
145 tex.swizzle_a = v3d_translate_pipe_swizzle(PIPE_SWIZZLE_W);
146
147 tex.image_depth = 1;
148
149 /* On 4.x, the height of a 1D texture is redefined to be the upper 14
150 * bits of the width (which is only usable with txf) (or in other words,
151 * we are providing a 28 bit field for size, but split on the usual
152 * 14bit height/width).
153 */
154 tex.image_width = buffer_view->num_elements;
155 tex.image_height = tex.image_width >> 14;
156 tex.image_width &= (1 << 14) - 1;
157 tex.image_height &= (1 << 14) - 1;
158
159 tex.texture_type = buffer_view->format->tex_type;
160 tex.srgb = vk_format_is_srgb(buffer_view->vk_format);
161
162 /* At this point we don't have the job. That's the reason the first
163 * parameter is NULL, to avoid a crash when cl_pack_emit_reloc tries to
164 * add the bo to the job. This also means that we need to add manually
165 * the image bo to the job using the texture.
166 */
167 const uint32_t base_offset =
168 buffer->mem->bo->offset +
169 buffer->mem_offset +
170 buffer_view->offset;
171
172 tex.texture_base_pointer = v3dv_cl_address(NULL, base_offset);
173 }
174 }
175