source/backends/vulkan/texture_backend.cpp

   1 #include "device.h"
   2 #include "error.h"
   3 #include "synchronizer.h"
   4 #include "texture.h"
   5 #include "texture_backend.h"
   6 #include "vulkan.h"
   7
   8 using namespace std;
   9
  10 namespace Msp {
  11 namespace GL {
  12
  13 VulkanTexture::VulkanTexture(unsigned t):
  14         device(Device::get_current()),
  15         view_type(t)
  16 { }
  17
  18 VulkanTexture::VulkanTexture(VulkanTexture &&other):
  19         device(other.device),
  20         handle(other.handle),
  21         view_handle(other.view_handle),
  22         memory_id(other.memory_id),
  23         view_type(other.view_type),
  24         debug_name(move(other.debug_name))
  25 {
  26         other.handle = 0;
  27         other.view_handle = 0;
  28         other.memory_id = 0;
  29 }
  30
  31 VulkanTexture::~VulkanTexture()
  32 {
  33         DestroyQueue &dq = device.get_destroy_queue();
  34
  35         if(view_handle)
  36                 dq.destroy(view_handle);
  37         if(handle)
  38                 dq.destroy(handle, memory_id);
  39 }
  40
  41 void VulkanTexture::allocate()
  42 {
  43         const Texture &self = *static_cast<const Texture *>(this);
  44         const VulkanFunctions &vk = device.get_functions();
  45
  46         VkImageCreateInfo image_info = { };
  47         image_info.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO;
  48         image_info.format = static_cast<VkFormat>(get_vulkan_pixelformat(self.storage_fmt));
  49         image_info.extent.width = 1;
  50         image_info.extent.height = 1;
  51         image_info.extent.depth = 1;
  52         image_info.mipLevels = 1;
  53         image_info.arrayLayers = 1;
  54         image_info.samples = VK_SAMPLE_COUNT_1_BIT;
  55         image_info.tiling = VK_IMAGE_TILING_OPTIMAL;
  56         image_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
  57         image_info.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
  58
  59         image_info.usage = VK_IMAGE_USAGE_TRANSFER_SRC_BIT|VK_IMAGE_USAGE_TRANSFER_DST_BIT|VK_IMAGE_USAGE_SAMPLED_BIT;
  60         PixelComponents comp = get_components(self.storage_fmt);
  61         if(comp==DEPTH_COMPONENT || comp==STENCIL_INDEX)
  62                 image_info.usage |= VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT;
  63         else
  64                 image_info.usage |= VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
  65
  66         fill_image_info(&image_info);
  67
  68         /* SwapChainTexture may have already provided the image.  Create_info is
  69         filled anyway because some of its fields are used for view_info. */
  70         if(!handle)
  71         {
  72                 vk.CreateImage(image_info, handle);
  73                 memory_id = device.get_allocator().allocate(handle, DEVICE_MEMORY);
  74
  75                 // Trigger a layout transition if the image is used before uploading data.
  76                 change_layout(0, -1, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL, true);
  77         }
  78
  79         VkImageViewCreateInfo view_info = { };
  80         view_info.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
  81         view_info.image = handle_cast<::VkImage>(handle);
  82         view_info.viewType = static_cast<VkImageViewType>(view_type);
  83         view_info.format = image_info.format;
  84
  85         const unsigned *swizzle_order = get_vulkan_swizzle(self.swizzle);
  86         view_info.components.r = static_cast<VkComponentSwizzle>(swizzle_order[0]);
  87         view_info.components.g = static_cast<VkComponentSwizzle>(swizzle_order[1]);
  88         view_info.components.b = static_cast<VkComponentSwizzle>(swizzle_order[2]);
  89         view_info.components.a = static_cast<VkComponentSwizzle>(swizzle_order[3]);
  90
  91         view_info.subresourceRange.aspectMask = get_vulkan_aspect(get_components(self.storage_fmt));
  92         view_info.subresourceRange.baseMipLevel = 0;
  93         view_info.subresourceRange.levelCount = image_info.mipLevels;
  94         view_info.subresourceRange.baseArrayLayer = 0;
  95         view_info.subresourceRange.layerCount = image_info.arrayLayers;
  96
  97         vk.CreateImageView(view_info, view_handle);
  98
  99         if(!debug_name.empty())
 100                 set_vulkan_object_names();
 101 }
 102
 103 void VulkanTexture::generate_mipmap_levels(unsigned n_levels)
 104 {
 105         TransferQueue &tq = device.get_transfer_queue();
 106         for(unsigned i=0; i+1<n_levels; ++i)
 107         {
 108                 tq.prepare_transfer(this, true, 0,
 109                         [this, n_levels, i](){
 110                                 change_layout((i==0 ? n_levels : 0), i, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, false);
 111                                 change_layout(0, i+1, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, true);
 112                         },
 113                         [this, i](VkCommandBuffer cmd_buf, VkBuffer, size_t){
 114                                 const VulkanFunctions &vk = device.get_functions();
 115
 116                                 VkImageBlit region = { };
 117                                 region.srcSubresource.aspectMask = get_vulkan_aspect(get_components(static_cast<const Texture *>(this)->storage_fmt));
 118                                 region.srcSubresource.mipLevel = i;
 119                                 region.srcSubresource.baseArrayLayer = 0;
 120                                 region.srcSubresource.layerCount = 1;
 121                                 region.dstSubresource = region.srcSubresource;
 122                                 ++region.dstSubresource.mipLevel;
 123
 124                                 fill_mipmap_blit(i, &region);
 125
 126                                 vk.CmdBlitImage(cmd_buf, handle, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, handle, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
 127                                         1, &region, VK_FILTER_LINEAR);
 128                         });
 129         }
 130 }
 131
 132 void VulkanTexture::change_layout(unsigned n_levels, int level, unsigned layout, bool discard) const
 133 {
 134         unsigned aspect = get_vulkan_aspect(get_components(static_cast<const Texture *>(this)->storage_fmt));
 135         if(n_levels>0)
 136                 device.get_synchronizer().split_image_mipmap(handle, aspect, n_levels);
 137         device.get_synchronizer().change_image_layout(handle, aspect, level, layout, discard);
 138 }
 139
 140 void VulkanTexture::set_debug_name(const string &name)
 141 {
 142 #ifdef DEBUG
 143         debug_name = name;
 144         if(handle)
 145                 set_vulkan_object_names();
 146 #else
 147         (void)name;
 148 #endif
 149 }
 150
 151 void VulkanTexture::set_vulkan_object_names() const
 152 {
 153 #ifdef DEBUG
 154         const VulkanFunctions &vk = device.get_functions();
 155
 156         VkDebugUtilsObjectNameInfoEXT name_info = { };
 157         name_info.sType = VK_STRUCTURE_TYPE_DEBUG_UTILS_OBJECT_NAME_INFO_EXT;
 158         name_info.objectType = VK_OBJECT_TYPE_IMAGE;
 159         name_info.objectHandle = reinterpret_cast<uint64_t>(handle);
 160         name_info.pObjectName = debug_name.c_str();
 161         vk.SetDebugUtilsObjectName(name_info);
 162
 163         string view_name = debug_name+"/view";
 164         name_info.objectType = VK_OBJECT_TYPE_IMAGE_VIEW;
 165         name_info.objectHandle = reinterpret_cast<uint64_t>(view_handle);
 166         name_info.pObjectName = view_name.c_str();
 167         vk.SetDebugUtilsObjectName(name_info);
 168 #endif
 169 }
 170
 171 } // namespace GL
 172 } // namespace Msp