3 #include "texture2d_backend.h"
11 VulkanTexture2D::VulkanTexture2D():
12 Texture(VK_IMAGE_VIEW_TYPE_2D)
15 void VulkanTexture2D::fill_image_info(void *ii) const
17 const Texture2D &self = *static_cast<const Texture2D *>(this);
19 VkImageCreateInfo *image_info = static_cast<VkImageCreateInfo *>(ii);
20 image_info->imageType = VK_IMAGE_TYPE_2D;
21 image_info->extent.width = self.width;
22 image_info->extent.height = self.height;
25 void VulkanTexture2D::sub_image(unsigned level, int x, int y, unsigned wd, unsigned ht, const void *data)
27 const Texture2D &self = *static_cast<const Texture2D *>(this);
29 auto level_size = self.get_level_size(level);
30 bool discard = (x==0 && y==0 && wd==level_size.x && ht==level_size.y);
32 TransferQueue &tq = device.get_transfer_queue();
33 size_t data_size = wd*ht*get_pixel_size(storage_fmt);
34 void *staging = tq.prepare_transfer(this, false, data_size,
35 [this, level, discard](){
36 change_layout(level, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, discard);
38 [this, level, x, y, wd, ht](VkCommandBuffer cmd_buf, VkBuffer staging_buf, size_t src_off){
39 const VulkanFunctions &vk = device.get_functions();
41 VkBufferImageCopy region = { };
42 region.bufferOffset = src_off;
43 region.imageSubresource.aspectMask = get_vulkan_aspect(get_components(storage_fmt));
44 region.imageSubresource.mipLevel = level;
45 region.imageSubresource.baseArrayLayer = 0;
46 region.imageSubresource.layerCount = 1;
47 region.imageOffset = { x, y, 0 };
48 region.imageExtent = { wd, ht, 1 };
49 vk.CmdCopyBufferToImage(cmd_buf, staging_buf, handle, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, ®ion);
52 stage_pixels(staging, data, wd*ht);
53 tq.finalize_transfer(staging);
56 void VulkanTexture2D::fill_mipmap_blit(unsigned level, void *b)
58 const Texture2D &self = *static_cast<const Texture2D *>(this);
59 VkImageBlit &blit = *static_cast<VkImageBlit *>(b);
61 auto src_size = self.get_level_size(level);
62 auto dst_size = self.get_level_size(level+1);
64 blit.srcOffsets[1] = { static_cast<int>(src_size.x), static_cast<int>(src_size.y), 1 };
65 blit.dstOffsets[1] = { static_cast<int>(dst_size.x), static_cast<int>(dst_size.y), 1 };
68 Resource::AsyncLoader *VulkanTexture2D::load(IO::Seekable &, const Resources *)
70 throw logic_error("Texture2D::load is unimplemented");
73 uint64_t VulkanTexture2D::get_data_size() const
78 void VulkanTexture2D::unload()