source/backends/vulkan/framebuffer_backend.cpp

   1 #include <msp/strings/format.h>
   2 #include "device.h"
   3 #include "framebuffer.h"
   4 #include "framebuffer_backend.h"
   5 #include "vulkan.h"
   6
   7 using namespace std;
   8
   9 namespace Msp {
  10 namespace GL {
  11
  12 VulkanFramebuffer::VulkanFramebuffer(bool):
  13         device(Device::get_current())
  14 { }
  15
  16 VulkanFramebuffer::VulkanFramebuffer(VulkanFramebuffer &&other):
  17         device(other.device),
  18         handle(other.handle),
  19         debug_name(move(other.debug_name))
  20 {
  21         other.handle = 0;
  22 }
  23
  24 VulkanFramebuffer::~VulkanFramebuffer()
  25 {
  26         if(handle)
  27                 device.get_destroy_queue().destroy(handle);
  28 }
  29
  30 bool VulkanFramebuffer::is_format_supported(const FrameFormat &fmt)
  31 {
  32         const VulkanFunctions &vk = device.get_functions();
  33         for(FrameAttachment a: fmt)
  34         {
  35                 PixelFormat pf = get_attachment_pixelformat(a);
  36                 PixelComponents comp = get_components(pf);
  37                 VkFormatProperties props;
  38                 vk.GetPhysicalDeviceFormatProperties(static_cast<VkFormat>(get_vulkan_pixelformat(pf)), props);
  39                 if(comp==DEPTH_COMPONENT || comp==STENCIL_INDEX)
  40                 {
  41                         if(!(props.optimalTilingFeatures&VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT))
  42                                 return false;
  43                 }
  44                 else if(!(props.optimalTilingFeatures&VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BLEND_BIT))
  45                         return false;
  46         }
  47
  48         return true;
  49 }
  50
  51 const Texture *VulkanFramebuffer::get_attachment(unsigned i) const
  52 {
  53         return static_cast<const Framebuffer *>(this)->attachments[i].tex;
  54 }
  55
  56 void VulkanFramebuffer::update(unsigned) const
  57 {
  58         const Framebuffer &self = *static_cast<const Framebuffer *>(this);
  59         const VulkanFunctions &vk = device.get_functions();
  60
  61         if(handle)
  62                 device.get_destroy_queue().destroy(handle);
  63
  64         VkImageView vk_attachments[FrameFormat::MAX_ATTACHMENTS] = { };
  65         unsigned i = 0;
  66         for(const Framebuffer::Attachment &a: self.attachments)
  67         {
  68                 if(a.tex->view_type!=VK_IMAGE_VIEW_TYPE_2D || a.level || a.layer)
  69                         throw logic_error("Unimplemented texture type in VulkanFramebuffer::update");
  70                 vk_attachments[i++] = a.tex->view_handle;
  71         }
  72
  73         VkRenderPass render_pass = device.get_pipeline_cache().get_render_pass(self.format, false, false, false);
  74
  75         VkFramebufferCreateInfo framebuffer_info = { };
  76         framebuffer_info.sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO;
  77         framebuffer_info.renderPass = handle_cast<::VkRenderPass>(render_pass);
  78         framebuffer_info.attachmentCount = self.format.size();
  79         framebuffer_info.pAttachments = handle_cast<::VkImageView *>(vk_attachments);
  80         framebuffer_info.width = self.width;
  81         framebuffer_info.height = self.height;
  82         framebuffer_info.layers = 1;
  83
  84         vk.CreateFramebuffer(framebuffer_info, handle);
  85
  86         if(!debug_name.empty())
  87                 set_vulkan_object_name();
  88 }
  89
  90 void VulkanFramebuffer::set_debug_name(const string &name)
  91 {
  92 #ifdef DEBUG
  93         debug_name = name;
  94         if(handle)
  95                 set_vulkan_object_name();
  96 #else
  97         (void)name;
  98 #endif
  99 }
 100
 101 void VulkanFramebuffer::set_vulkan_object_name() const
 102 {
 103 #ifdef DEBUG
 104         const VulkanFunctions &vk = device.get_functions();
 105
 106         VkDebugUtilsObjectNameInfoEXT name_info = { };
 107         name_info.sType = VK_STRUCTURE_TYPE_DEBUG_UTILS_OBJECT_NAME_INFO_EXT;
 108         name_info.objectType = VK_OBJECT_TYPE_FRAMEBUFFER;
 109         name_info.objectHandle = reinterpret_cast<uint64_t>(handle);
 110         name_info.pObjectName = debug_name.c_str();
 111         vk.SetDebugUtilsObjectName(name_info);
 112 #endif
 113 }
 114
 115 } // namespace GL
 116 } // namespace Msp