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 "renderpass.h"
   6 #include "vulkan.h"
   7
   8 using namespace std;
   9
  10 namespace Msp {
  11 namespace GL {
  12
  13 VulkanFramebuffer::VulkanFramebuffer(bool):
  14         device(Device::get_current())
  15 { }
  16
  17 VulkanFramebuffer::VulkanFramebuffer(VulkanFramebuffer &&other):
  18         device(other.device),
  19         handle(other.handle),
  20         debug_name(move(other.debug_name))
  21 {
  22         other.handle = 0;
  23 }
  24
  25 VulkanFramebuffer::~VulkanFramebuffer()
  26 {
  27         DestroyQueue &dq = device.get_destroy_queue();
  28         if(handle)
  29                 dq.destroy(handle);
  30         for(VkImageView h: view_handles)
  31                 if(h)
  32                         dq.destroy(h);
  33 }
  34
  35 bool VulkanFramebuffer::is_format_supported(const FrameFormat &fmt)
  36 {
  37         const VulkanFunctions &vk = device.get_functions();
  38         for(FrameAttachment a: fmt)
  39         {
  40                 PixelFormat pf = get_attachment_pixelformat(a);
  41                 PixelComponents comp = get_components(pf);
  42                 VkFormatProperties props;
  43                 vk.GetPhysicalDeviceFormatProperties(static_cast<VkFormat>(get_vulkan_pixelformat(pf)), props);
  44                 if(comp==DEPTH_COMPONENT || comp==STENCIL_INDEX)
  45                 {
  46                         if(!(props.optimalTilingFeatures&VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT))
  47                                 return false;
  48                 }
  49                 else if(!(props.optimalTilingFeatures&VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BLEND_BIT))
  50                         return false;
  51         }
  52
  53         return true;
  54 }
  55
  56 void VulkanFramebuffer::update(unsigned mask) const
  57 {
  58         const Framebuffer &self = *static_cast<const Framebuffer *>(this);
  59         const VulkanFunctions &vk = device.get_functions();
  60
  61         if(self.attachments.size()>view_handles.size())
  62                 view_handles.resize(self.attachments.size());
  63
  64         if(handle)
  65                 device.get_destroy_queue().destroy(handle);
  66
  67         VkImageView vk_attachments[FrameFormat::MAX_ATTACHMENTS*2] = { };
  68         unsigned i = 0;
  69         bool any_resolve = false;
  70         for(const Framebuffer::Attachment &a: self.attachments)
  71         {
  72                 bool use_tex_view = (a.tex->view_type==VK_IMAGE_VIEW_TYPE_2D || (a.tex->view_type==VK_IMAGE_VIEW_TYPE_2D_ARRAY && a.layer<0));
  73
  74                 if(mask&(1<<i))
  75                 {
  76                         if(use_tex_view)
  77                                 a.tex->refresh_mip_views();
  78                         else
  79                         {
  80                                 if(view_handles[i])
  81                                         device.get_destroy_queue().destroy(view_handles[i]);
  82
  83                                 PixelFormat tex_format = a.tex->get_format();
  84
  85                                 VkImageViewCreateInfo view_info = { };
  86                                 view_info.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
  87                                 view_info.image = handle_cast<::VkImage>(a.tex->handle);
  88                                 view_info.viewType = (a.layer<0 ? VK_IMAGE_VIEW_TYPE_2D_ARRAY : VK_IMAGE_VIEW_TYPE_2D);
  89                                 view_info.format = static_cast<VkFormat>(get_vulkan_pixelformat(tex_format));
  90
  91                                 view_info.components.r = VK_COMPONENT_SWIZZLE_R;
  92                                 view_info.components.g = VK_COMPONENT_SWIZZLE_G;
  93                                 view_info.components.b = VK_COMPONENT_SWIZZLE_B;
  94                                 view_info.components.a = VK_COMPONENT_SWIZZLE_A;
  95
  96                                 view_info.subresourceRange.aspectMask = get_vulkan_aspect(get_components(tex_format));
  97                                 view_info.subresourceRange.baseMipLevel = a.level;
  98                                 view_info.subresourceRange.levelCount = 1;
  99                                 view_info.subresourceRange.baseArrayLayer = max(a.layer, 0);
 100                                 view_info.subresourceRange.layerCount = (a.layer<0 ? VK_REMAINING_ARRAY_LAYERS : 1);
 101
 102                                 vk.CreateImageView(view_info, view_handles[i]);
 103                         }
 104                 }
 105
 106                 if(use_tex_view)
 107                         vk_attachments[i] = a.tex->mip_view_handles[a.level];
 108                 else if(view_handles[i])
 109                         vk_attachments[i] = view_handles[i];
 110                 else
 111                         throw logic_error("unexpected framebuffer configuration");
 112
 113                 if(a.resolve)
 114                 {
 115                         a.resolve->refresh_mip_views();
 116                         vk_attachments[self.format.size()+i] = a.resolve->mip_view_handles[0];
 117                         any_resolve = true;
 118                 }
 119
 120                 ++i;
 121         }
 122
 123         RenderPass render_pass;
 124         render_pass.framebuffer = &self;
 125         render_pass.update(device);
 126
 127         VkFramebufferCreateInfo framebuffer_info = { };
 128         framebuffer_info.sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO;
 129         framebuffer_info.renderPass = handle_cast<::VkRenderPass>(render_pass.handle);
 130         framebuffer_info.attachmentCount = self.format.size()*(1+any_resolve);
 131         framebuffer_info.pAttachments = handle_cast<::VkImageView *>(vk_attachments);
 132         framebuffer_info.width = self.width;
 133         framebuffer_info.height = self.height;
 134         framebuffer_info.layers = self.layers;
 135
 136         vk.CreateFramebuffer(framebuffer_info, handle);
 137
 138         if(!debug_name.empty())
 139                 set_vulkan_object_name();
 140 }
 141
 142 void VulkanFramebuffer::prepare_image_layouts(bool discard) const
 143 {
 144         for(const Framebuffer::Attachment &a: static_cast<const Framebuffer *>(this)->attachments)
 145         {
 146                 a.tex->change_layout(a.level, get_vulkan_attachment_layout(get_components(a.tex->get_format())), (discard && a.layer<0));
 147                 if(a.resolve)
 148                         a.resolve->change_layout(a.level, get_vulkan_attachment_layout(get_components(a.resolve->get_format())), discard);
 149         }
 150 }
 151
 152 void VulkanFramebuffer::set_debug_name(const string &name)
 153 {
 154 #ifdef DEBUG
 155         debug_name = name;
 156         if(handle)
 157                 set_vulkan_object_name();
 158 #else
 159         (void)name;
 160 #endif
 161 }
 162
 163 void VulkanFramebuffer::set_vulkan_object_name() const
 164 {
 165 #ifdef DEBUG
 166         const VulkanFunctions &vk = device.get_functions();
 167
 168         VkDebugUtilsObjectNameInfoEXT name_info = { };
 169         name_info.sType = VK_STRUCTURE_TYPE_DEBUG_UTILS_OBJECT_NAME_INFO_EXT;
 170         name_info.objectType = VK_OBJECT_TYPE_FRAMEBUFFER;
 171         name_info.objectHandle = reinterpret_cast<uint64_t>(handle);
 172         name_info.pObjectName = debug_name.c_str();
 173         vk.SetDebugUtilsObjectName(name_info);
 174 #endif
 175 }
 176
 177 } // namespace GL
 178 } // namespace Msp