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         VkImageCreateInfo image_info = { };
  53         image_info.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO;
  54         image_info.format = static_cast<VkFormat>(get_vulkan_pixelformat(self.storage_fmt));
  55         image_info.extent.width = 1;
  56         image_info.extent.height = 1;
  57         image_info.extent.depth = 1;
  58         image_info.mipLevels = self.n_levels;
  59         image_info.arrayLayers = 1;
  60         image_info.samples = VK_SAMPLE_COUNT_1_BIT;
  61         image_info.tiling = VK_IMAGE_TILING_OPTIMAL;
  62         image_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
  63         image_info.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
  64
  65         image_info.usage = VK_IMAGE_USAGE_TRANSFER_SRC_BIT|VK_IMAGE_USAGE_TRANSFER_DST_BIT|VK_IMAGE_USAGE_SAMPLED_BIT;
  66         PixelComponents comp = get_components(self.storage_fmt);
  67         if(comp==DEPTH_COMPONENT || comp==STENCIL_INDEX)
  68                 image_info.usage |= VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT;
  69         else
  70                 image_info.usage |= VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
  71
  72         fill_image_info(&image_info);
  73
  74         /* SwapChainTexture may have already provided the image.  Create_info is
  75         filled anyway because some of its fields are used for view_info. */
  76         if(!handle)
  77         {
  78                 vk.CreateImage(image_info, handle);
  79                 memory_id = device.get_allocator().allocate(handle, DEVICE_MEMORY);
  80
  81                 // Trigger a layout transition if the image is used before uploading data.
  82                 change_layout(-1, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL, true);
  83         }
  84
  85         view_handle = create_view(-1);
  86
  87         if(!debug_name.empty())
  88                 set_vulkan_object_names();
  89 }
  90
  91 VkImageView VulkanTexture::create_view(int level) const
  92 {
  93         const Texture &self = *static_cast<const Texture *>(this);
  94         const VulkanFunctions &vk = device.get_functions();
  95
  96         VkImageViewCreateInfo view_info = { };
  97         view_info.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
  98         view_info.image = handle_cast<::VkImage>(handle);
  99         view_info.viewType = static_cast<VkImageViewType>(view_type);
 100         view_info.format = static_cast<VkFormat>(get_vulkan_pixelformat(self.storage_fmt));
 101
 102         const unsigned *swizzle_order = get_vulkan_swizzle(self.swizzle);
 103         view_info.components.r = static_cast<VkComponentSwizzle>(swizzle_order[0]);
 104         view_info.components.g = static_cast<VkComponentSwizzle>(swizzle_order[1]);
 105         view_info.components.b = static_cast<VkComponentSwizzle>(swizzle_order[2]);
 106         view_info.components.a = static_cast<VkComponentSwizzle>(swizzle_order[3]);
 107
 108         view_info.subresourceRange.aspectMask = get_vulkan_aspect(get_components(self.storage_fmt));
 109         view_info.subresourceRange.baseMipLevel = max(level, 0);
 110         view_info.subresourceRange.levelCount = (level<0 ? VK_REMAINING_MIP_LEVELS : 1);
 111         view_info.subresourceRange.baseArrayLayer = 0;
 112         view_info.subresourceRange.layerCount = VK_REMAINING_ARRAY_LAYERS;
 113
 114         VkImageView view;
 115         vk.CreateImageView(view_info, view);
 116
 117         return view;
 118 }
 119
 120 void VulkanTexture::create_mip_views() const
 121 {
 122         const Texture &self = *static_cast<const Texture *>(this);
 123
 124         if(!mip_view_handles.empty())
 125                 return;
 126
 127         mip_view_handles.resize(self.n_levels);
 128         if(self.n_levels==1)
 129                 mip_view_handles[0] = view_handle;
 130         else
 131         {
 132                 for(unsigned i=0; i<self.n_levels; ++i)
 133                         mip_view_handles[i] = create_view(i);
 134         }
 135 }
 136
 137 void VulkanTexture::generate_mipmap()
 138 {
 139         unsigned n_levels = static_cast<const Texture *>(this)->n_levels;
 140
 141         TransferQueue &tq = device.get_transfer_queue();
 142         for(unsigned i=0; i+1<n_levels; ++i)
 143         {
 144                 tq.prepare_transfer(this, true,
 145                         [this, i](){
 146                                 change_layout(i, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, false);
 147                                 change_layout(i+1, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, true);
 148                         },
 149                         [this, i](VkCommandBuffer cmd_buf, VkBuffer, size_t){
 150                                 const Texture &self = *static_cast<const Texture *>(this);
 151                                 const VulkanFunctions &vk = device.get_functions();
 152
 153                                 VkImageBlit region = { };
 154                                 region.srcSubresource.aspectMask = get_vulkan_aspect(get_components(self.storage_fmt));
 155                                 region.srcSubresource.mipLevel = i;
 156                                 region.srcSubresource.baseArrayLayer = 0;
 157                                 region.srcSubresource.layerCount = 1;
 158                                 region.dstSubresource = region.srcSubresource;
 159                                 ++region.dstSubresource.mipLevel;
 160
 161                                 fill_mipmap_blit(i, &region);
 162
 163                                 vk.CmdBlitImage(cmd_buf, handle, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, handle, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
 164                                         1, &region, VK_FILTER_LINEAR);
 165                         });
 166         }
 167 }
 168
 169 void VulkanTexture::change_layout(int level, unsigned layout, bool discard) const
 170 {
 171         const Texture &self = *static_cast<const Texture *>(this);
 172
 173         unsigned aspect = get_vulkan_aspect(get_components(self.storage_fmt));
 174         if(level>=0)
 175                 device.get_synchronizer().split_image_mipmap(handle, aspect, self.n_levels);
 176         device.get_synchronizer().change_image_layout(handle, aspect, level, layout, discard);
 177 }
 178
 179 void VulkanTexture::set_debug_name(const string &name)
 180 {
 181 #ifdef DEBUG
 182         debug_name = name;
 183         if(handle)
 184                 set_vulkan_object_names();
 185 #else
 186         (void)name;
 187 #endif
 188 }
 189
 190 void VulkanTexture::set_vulkan_object_names() const
 191 {
 192 #ifdef DEBUG
 193         const VulkanFunctions &vk = device.get_functions();
 194
 195         VkDebugUtilsObjectNameInfoEXT name_info = { };
 196         name_info.sType = VK_STRUCTURE_TYPE_DEBUG_UTILS_OBJECT_NAME_INFO_EXT;
 197         name_info.objectType = VK_OBJECT_TYPE_IMAGE;
 198         name_info.objectHandle = reinterpret_cast<uint64_t>(handle);
 199         name_info.pObjectName = debug_name.c_str();
 200         vk.SetDebugUtilsObjectName(name_info);
 201
 202         string view_name = debug_name+"/view";
 203         name_info.objectType = VK_OBJECT_TYPE_IMAGE_VIEW;
 204         name_info.objectHandle = reinterpret_cast<uint64_t>(view_handle);
 205         name_info.pObjectName = view_name.c_str();
 206         vk.SetDebugUtilsObjectName(name_info);
 207
 208         if(mip_view_handles.size()>1)
 209         {
 210                 for(unsigned i=0; i<mip_view_handles.size(); ++i)
 211                 {
 212                         view_name = format("%s/mip%d.view", debug_name, i);
 213                         name_info.objectHandle = reinterpret_cast<uint64_t>(mip_view_handles[i]);
 214                         name_info.pObjectName = view_name.c_str();
 215                         vk.SetDebugUtilsObjectName(name_info);
 216                 }
 217         }
 218 #endif
 219 }
 220
 221 } // namespace GL
 222 } // namespace Msp