]> git.tdb.fi Git - libs/gl.git/blob - source/backends/vulkan/texture_backend.cpp
Add support for storage images in Renderer and PipelineState
[libs/gl.git] / source / backends / vulkan / texture_backend.cpp
1 #include <msp/strings/format.h>
2 #include "device.h"
3 #include "error.h"
4 #include "synchronizer.h"
5 #include "texture.h"
6 #include "texture_backend.h"
7 #include "vulkan.h"
8
9 using namespace std;
10
11 namespace Msp {
12 namespace GL {
13
14 VulkanTexture::VulkanTexture(unsigned t):
15         device(Device::get_current()),
16         view_type(t)
17 { }
18
19 VulkanTexture::VulkanTexture(VulkanTexture &&other):
20         device(other.device),
21         handle(other.handle),
22         view_handle(other.view_handle),
23         memory_id(other.memory_id),
24         view_type(other.view_type),
25         debug_name(move(other.debug_name))
26 {
27         other.handle = 0;
28         other.view_handle = 0;
29         other.memory_id = 0;
30 }
31
32 VulkanTexture::~VulkanTexture()
33 {
34         DestroyQueue &dq = device.get_destroy_queue();
35
36         if(view_handle)
37                 dq.destroy(view_handle);
38         if(mip_view_handles.size()>1)
39         {
40                 for(VkImageView i: mip_view_handles)
41                         dq.destroy(i);
42         }
43         if(handle)
44                 dq.destroy(handle, memory_id);
45 }
46
47 void VulkanTexture::allocate()
48 {
49         const Texture &self = *static_cast<const Texture *>(this);
50         const VulkanFunctions &vk = device.get_functions();
51
52         VkFormat vk_format = static_cast<VkFormat>(get_vulkan_pixelformat(self.storage_fmt));
53         VkFormatProperties props;
54         vk.GetPhysicalDeviceFormatProperties(vk_format, props);
55
56         VkImageCreateInfo image_info = { };
57         image_info.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO;
58         image_info.format = vk_format;
59         image_info.extent.width = 1;
60         image_info.extent.height = 1;
61         image_info.extent.depth = 1;
62         image_info.mipLevels = self.n_levels;
63         image_info.arrayLayers = 1;
64         image_info.samples = VK_SAMPLE_COUNT_1_BIT;
65         image_info.tiling = VK_IMAGE_TILING_OPTIMAL;
66         image_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
67         image_info.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
68
69         image_info.usage = VK_IMAGE_USAGE_TRANSFER_SRC_BIT|VK_IMAGE_USAGE_TRANSFER_DST_BIT|VK_IMAGE_USAGE_SAMPLED_BIT;
70         if(props.optimalTilingFeatures&VK_FORMAT_FEATURE_STORAGE_IMAGE_BIT)
71                 image_info.usage |= VK_IMAGE_USAGE_STORAGE_BIT;
72
73         PixelComponents comp = get_components(self.storage_fmt);
74         if(comp==DEPTH_COMPONENT || comp==STENCIL_INDEX)
75                 image_info.usage |= VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT;
76         else
77                 image_info.usage |= VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
78
79         fill_image_info(&image_info);
80
81         /* SwapChainTexture may have already provided the image.  Create_info is
82         filled anyway because some of its fields are used for view_info. */
83         if(!handle)
84         {
85                 vk.CreateImage(image_info, handle);
86                 memory_id = device.get_allocator().allocate(handle, DEVICE_MEMORY);
87
88                 // Trigger a layout transition if the image is used before uploading data.
89                 change_layout(-1, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL, true);
90         }
91
92         view_handle = create_view(-1);
93
94         if(!debug_name.empty())
95                 set_vulkan_object_names();
96 }
97
98 VkImageView VulkanTexture::create_view(int level) const
99 {
100         const Texture &self = *static_cast<const Texture *>(this);
101         const VulkanFunctions &vk = device.get_functions();
102
103         VkImageViewCreateInfo view_info = { };
104         view_info.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
105         view_info.image = handle_cast<::VkImage>(handle);
106         view_info.viewType = static_cast<VkImageViewType>(view_type);
107         view_info.format = static_cast<VkFormat>(get_vulkan_pixelformat(self.storage_fmt));
108
109         const unsigned *swizzle_order = get_vulkan_swizzle(self.swizzle);
110         view_info.components.r = static_cast<VkComponentSwizzle>(swizzle_order[0]);
111         view_info.components.g = static_cast<VkComponentSwizzle>(swizzle_order[1]);
112         view_info.components.b = static_cast<VkComponentSwizzle>(swizzle_order[2]);
113         view_info.components.a = static_cast<VkComponentSwizzle>(swizzle_order[3]);
114
115         view_info.subresourceRange.aspectMask = get_vulkan_aspect(get_components(self.storage_fmt));
116         view_info.subresourceRange.baseMipLevel = max(level, 0);
117         view_info.subresourceRange.levelCount = (level<0 ? VK_REMAINING_MIP_LEVELS : 1);
118         view_info.subresourceRange.baseArrayLayer = 0;
119         view_info.subresourceRange.layerCount = VK_REMAINING_ARRAY_LAYERS;
120
121         VkImageView view;
122         vk.CreateImageView(view_info, view);
123
124         return view;
125 }
126
127 void VulkanTexture::create_mip_views() const
128 {
129         const Texture &self = *static_cast<const Texture *>(this);
130
131         if(!mip_view_handles.empty())
132                 return;
133                 
134         mip_view_handles.resize(self.n_levels);
135         if(self.n_levels==1)
136                 mip_view_handles[0] = view_handle;
137         else
138         {
139                 for(unsigned i=0; i<self.n_levels; ++i)
140                         mip_view_handles[i] = create_view(i);
141         }
142 }
143
144 void VulkanTexture::generate_mipmap()
145 {
146         unsigned n_levels = static_cast<const Texture *>(this)->n_levels;
147
148         TransferQueue &tq = device.get_transfer_queue();
149         for(unsigned i=0; i+1<n_levels; ++i)
150         {
151                 tq.prepare_transfer(this, true,
152                         [this, i](){
153                                 change_layout(i, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, false);
154                                 change_layout(i+1, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, true);
155                         },
156                         [this, i](const VulkanCommandRecorder &vkCmd, VkBuffer, size_t){
157                                 const Texture &self = *static_cast<const Texture *>(this);
158
159                                 VkImageBlit region = { };
160                                 region.srcSubresource.aspectMask = get_vulkan_aspect(get_components(self.storage_fmt));
161                                 region.srcSubresource.mipLevel = i;
162                                 region.srcSubresource.baseArrayLayer = 0;
163                                 region.srcSubresource.layerCount = 1;
164                                 region.dstSubresource = region.srcSubresource;
165                                 ++region.dstSubresource.mipLevel;
166
167                                 fill_mipmap_blit(i, &region);
168
169                                 vkCmd.BlitImage(handle, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, handle, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
170                                         1, &region, VK_FILTER_LINEAR);
171                         });
172         }
173 }
174
175 void VulkanTexture::change_layout(int level, unsigned layout, bool discard) const
176 {
177         const Texture &self = *static_cast<const Texture *>(this);
178
179         unsigned aspect = get_vulkan_aspect(get_components(self.storage_fmt));
180         if(level>=0)
181                 device.get_synchronizer().split_image_mipmap(handle, aspect, self.n_levels);
182         device.get_synchronizer().change_image_layout(handle, aspect, level, layout, discard);
183 }
184
185 void VulkanTexture::set_debug_name(const string &name)
186 {
187 #ifdef DEBUG
188         debug_name = name;
189         if(handle)
190                 set_vulkan_object_names();
191 #else
192         (void)name;
193 #endif
194 }
195
196 void VulkanTexture::set_vulkan_object_names() const
197 {
198 #ifdef DEBUG
199         const VulkanFunctions &vk = device.get_functions();
200
201         VkDebugUtilsObjectNameInfoEXT name_info = { };
202         name_info.sType = VK_STRUCTURE_TYPE_DEBUG_UTILS_OBJECT_NAME_INFO_EXT;
203         name_info.objectType = VK_OBJECT_TYPE_IMAGE;
204         name_info.objectHandle = reinterpret_cast<uint64_t>(handle);
205         name_info.pObjectName = debug_name.c_str();
206         vk.SetDebugUtilsObjectName(name_info);
207
208         string view_name = debug_name+"/view";
209         name_info.objectType = VK_OBJECT_TYPE_IMAGE_VIEW;
210         name_info.objectHandle = reinterpret_cast<uint64_t>(view_handle);
211         name_info.pObjectName = view_name.c_str();
212         vk.SetDebugUtilsObjectName(name_info);
213
214         if(mip_view_handles.size()>1)
215         {
216                 for(unsigned i=0; i<mip_view_handles.size(); ++i)
217                 {
218                         view_name = format("%s/mip%d.view", debug_name, i);
219                         name_info.objectHandle = reinterpret_cast<uint64_t>(mip_view_handles[i]);
220                         name_info.pObjectName = view_name.c_str();
221                         vk.SetDebugUtilsObjectName(name_info);
222                 }
223         }
224 #endif
225 }
226
227 } // namespace GL
228 } // namespace Msp