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_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                 synchronize(-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()
 104 {
 105         throw logic_error("VulkanTexture::generate_mipmap is unimplemented");
 106 }
 107
 108 void VulkanTexture::synchronize(int layer, unsigned layout, bool discard) const
 109 {
 110         unsigned aspect = get_vulkan_aspect(get_components(static_cast<const Texture *>(this)->storage_fmt));
 111         device.get_synchronizer().access(handle, aspect, layer, layout, discard);
 112 }
 113
 114 void VulkanTexture::set_debug_name(const string &name)
 115 {
 116 #ifdef DEBUG
 117         debug_name = name;
 118         if(handle)
 119                 set_vulkan_object_names();
 120 #else
 121         (void)name;
 122 #endif
 123 }
 124
 125 void VulkanTexture::set_vulkan_object_names() const
 126 {
 127 #ifdef DEBUG
 128         const VulkanFunctions &vk = device.get_functions();
 129
 130         VkDebugUtilsObjectNameInfoEXT name_info = { };
 131         name_info.sType = VK_STRUCTURE_TYPE_DEBUG_UTILS_OBJECT_NAME_INFO_EXT;
 132         name_info.objectType = VK_OBJECT_TYPE_IMAGE;
 133         name_info.objectHandle = reinterpret_cast<uint64_t>(handle);
 134         name_info.pObjectName = debug_name.c_str();
 135         vk.SetDebugUtilsObjectName(name_info);
 136
 137         string view_name = debug_name+"/view";
 138         name_info.objectType = VK_OBJECT_TYPE_IMAGE_VIEW;
 139         name_info.objectHandle = reinterpret_cast<uint64_t>(view_handle);
 140         name_info.pObjectName = view_name.c_str();
 141         vk.SetDebugUtilsObjectName(name_info);
 142 #endif
 143 }
 144
 145 } // namespace GL
 146 } // namespace Msp