1 /*
2  * Copyright © 2021 Collabora Ltd.
3  *
4  * Derived from tu_image.c which is:
5  * Copyright © 2016 Red Hat.
6  * Copyright © 2016 Bas Nieuwenhuizen
7  * Copyright © 2015 Intel Corporation
8  *
9  * Permission is hereby granted, free of charge, to any person obtaining a
10  * copy of this software and associated documentation files (the "Software"),
11  * to deal in the Software without restriction, including without limitation
12  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
13  * and/or sell copies of the Software, and to permit persons to whom the
14  * Software is furnished to do so, subject to the following conditions:
15  *
16  * The above copyright notice and this permission notice (including the next
17  * paragraph) shall be included in all copies or substantial portions of the
18  * Software.
19  *
20  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
21  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
23  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
24  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
25  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
26  * DEALINGS IN THE SOFTWARE.
27  */
28 
29 #include "genxml/gen_macros.h"
30 #include "panvk_private.h"
31 #include "panfrost-quirks.h"
32 
33 #include "util/debug.h"
34 #include "util/u_atomic.h"
35 #include "vk_format.h"
36 #include "vk_object.h"
37 #include "vk_util.h"
38 #include "drm-uapi/drm_fourcc.h"
39 
40 static enum mali_texture_dimension
panvk_view_type_to_mali_tex_dim(VkImageViewType type)41 panvk_view_type_to_mali_tex_dim(VkImageViewType type)
42 {
43    switch (type) {
44    case VK_IMAGE_VIEW_TYPE_1D:
45    case VK_IMAGE_VIEW_TYPE_1D_ARRAY:
46       return MALI_TEXTURE_DIMENSION_1D;
47    case VK_IMAGE_VIEW_TYPE_2D:
48    case VK_IMAGE_VIEW_TYPE_2D_ARRAY:
49       return MALI_TEXTURE_DIMENSION_2D;
50    case VK_IMAGE_VIEW_TYPE_3D:
51       return MALI_TEXTURE_DIMENSION_3D;
52    case VK_IMAGE_VIEW_TYPE_CUBE:
53    case VK_IMAGE_VIEW_TYPE_CUBE_ARRAY:
54       return MALI_TEXTURE_DIMENSION_CUBE;
55    default:
56       unreachable("Invalid view type");
57    }
58 }
59 
60 static void
panvk_convert_swizzle(const VkComponentMapping * in,unsigned char * out)61 panvk_convert_swizzle(const VkComponentMapping *in,
62                       unsigned char *out)
63 {
64    const VkComponentSwizzle *comp = &in->r;
65    for (unsigned i = 0; i < 4; i++) {
66       switch (comp[i]) {
67       case VK_COMPONENT_SWIZZLE_IDENTITY:
68          out[i] = PIPE_SWIZZLE_X + i;
69          break;
70       case VK_COMPONENT_SWIZZLE_ZERO:
71          out[i] = PIPE_SWIZZLE_0;
72          break;
73       case VK_COMPONENT_SWIZZLE_ONE:
74          out[i] = PIPE_SWIZZLE_1;
75          break;
76       case VK_COMPONENT_SWIZZLE_R:
77          out[i] = PIPE_SWIZZLE_X;
78          break;
79       case VK_COMPONENT_SWIZZLE_G:
80          out[i] = PIPE_SWIZZLE_Y;
81          break;
82       case VK_COMPONENT_SWIZZLE_B:
83          out[i] = PIPE_SWIZZLE_Z;
84          break;
85       case VK_COMPONENT_SWIZZLE_A:
86          out[i] = PIPE_SWIZZLE_W;
87          break;
88       default:
89          unreachable("Invalid swizzle");
90       }
91    }
92 }
93 
94 VkResult
panvk_per_arch(CreateImageView)95 panvk_per_arch(CreateImageView)(VkDevice _device,
96                                 const VkImageViewCreateInfo *pCreateInfo,
97                                 const VkAllocationCallbacks *pAllocator,
98                                 VkImageView *pView)
99 {
100    VK_FROM_HANDLE(panvk_device, device, _device);
101    VK_FROM_HANDLE(panvk_image, image, pCreateInfo->image);
102    struct panvk_image_view *view;
103 
104    view = vk_object_zalloc(&device->vk, pAllocator, sizeof(*view),
105                           VK_OBJECT_TYPE_IMAGE_VIEW);
106    if (view == NULL)
107       return vk_error(device, VK_ERROR_OUT_OF_HOST_MEMORY);
108 
109    view->pview.format = vk_format_to_pipe_format(pCreateInfo->format);
110 
111    if (pCreateInfo->subresourceRange.aspectMask == VK_IMAGE_ASPECT_DEPTH_BIT)
112       view->pview.format = util_format_get_depth_only(view->pview.format);
113    else if (pCreateInfo->subresourceRange.aspectMask == VK_IMAGE_ASPECT_STENCIL_BIT)
114       view->pview.format = util_format_stencil_only(view->pview.format);
115 
116    unsigned level_count =
117       pCreateInfo->subresourceRange.levelCount == VK_REMAINING_MIP_LEVELS ?
118       image->pimage.layout.nr_slices - pCreateInfo->subresourceRange.baseMipLevel :
119       pCreateInfo->subresourceRange.levelCount;
120    unsigned layer_count =
121       pCreateInfo->subresourceRange.layerCount == VK_REMAINING_ARRAY_LAYERS ?
122       image->pimage.layout.array_size - pCreateInfo->subresourceRange.baseArrayLayer :
123       pCreateInfo->subresourceRange.layerCount;
124 
125    view->pview.dim = panvk_view_type_to_mali_tex_dim(pCreateInfo->viewType);
126    view->pview.first_level = pCreateInfo->subresourceRange.baseMipLevel;
127    view->pview.last_level = pCreateInfo->subresourceRange.baseMipLevel + level_count - 1;
128    view->pview.first_layer = pCreateInfo->subresourceRange.baseArrayLayer;
129    view->pview.last_layer = pCreateInfo->subresourceRange.baseArrayLayer + layer_count - 1;
130    panvk_convert_swizzle(&pCreateInfo->components, view->pview.swizzle);
131    view->pview.image = &image->pimage;
132    view->pview.nr_samples = image->pimage.layout.nr_samples;
133    view->vk_format = pCreateInfo->format;
134 
135    struct panfrost_device *pdev = &device->physical_device->pdev;
136 
137    if (image->usage &
138        (VK_IMAGE_USAGE_SAMPLED_BIT | VK_IMAGE_USAGE_INPUT_ATTACHMENT_BIT)) {
139       unsigned bo_size =
140          GENX(panfrost_estimate_texture_payload_size)(&view->pview) +
141          pan_size(TEXTURE);
142 
143       unsigned surf_descs_offset = PAN_ARCH <= 5 ? pan_size(TEXTURE) : 0;
144 
145       view->bo = panfrost_bo_create(pdev, bo_size, 0, "Texture descriptor");
146 
147       struct panfrost_ptr surf_descs = {
148          .cpu = view->bo->ptr.cpu + surf_descs_offset,
149          .gpu = view->bo->ptr.gpu + surf_descs_offset,
150       };
151       void *tex_desc = PAN_ARCH >= 6 ?
152                        &view->descs.tex : view->bo->ptr.cpu;
153 
154       STATIC_ASSERT(sizeof(view->descs.tex) >= pan_size(TEXTURE));
155       GENX(panfrost_new_texture)(pdev, &view->pview, tex_desc, &surf_descs);
156    }
157 
158    *pView = panvk_image_view_to_handle(view);
159    return VK_SUCCESS;
160 }
161