3 #include "texture3d_backend.h"
11 VulkanTexture3D::VulkanTexture3D():
12 Texture(VK_IMAGE_VIEW_TYPE_3D)
15 VulkanTexture3D::VulkanTexture3D(unsigned t):
19 void VulkanTexture3D::fill_image_info(void *ii) const
21 const Texture3D &self = *static_cast<const Texture3D *>(this);
23 VkImageCreateInfo *image_info = static_cast<VkImageCreateInfo *>(ii);
24 image_info->imageType = VK_IMAGE_TYPE_3D;
25 image_info->extent.width = self.width;
26 image_info->extent.height = self.height;
27 image_info->extent.depth = self.depth;
28 image_info->mipLevels = self.levels;
31 void VulkanTexture3D::sub_image(unsigned level, int x, int y, int z, unsigned wd, unsigned ht, unsigned dp, const void *data)
33 const Texture3D &self = *static_cast<const Texture3D *>(this);
35 auto level_size = self.get_level_size(level);
36 bool discard = (x==0 && y==0 && z==0 && wd==level_size.x && ht==level_size.y && dp==level_size.z);
38 size_t data_size = wd*ht*dp*get_pixel_size(storage_fmt);
39 void *staging = device.get_transfer_queue().prepare_transfer(this, false, data_size,
40 [this, level, discard](){
41 unsigned n_levels = static_cast<const Texture3D *>(this)->levels;
42 change_layout(n_levels, level, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, discard);
44 [this, level, x, y, z, wd, ht, dp](VkCommandBuffer cmd_buf, VkBuffer staging_buf, size_t src_off){
45 const VulkanFunctions &vk = device.get_functions();
47 VkBufferImageCopy region = { };
48 region.bufferOffset = src_off;
49 region.imageSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
50 region.imageSubresource.mipLevel = level;
51 region.imageSubresource.baseArrayLayer = (is_array() ? z : 0);
52 region.imageSubresource.layerCount = (is_array() ? dp : 1);
53 region.imageOffset = { x, y, (is_array() ? 0 : z) };
54 region.imageExtent = { wd, ht, (is_array() ? 1 : dp) };
55 vk.CmdCopyBufferToImage(cmd_buf, staging_buf, handle, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, ®ion);
58 const char *src = static_cast<const char *>(data);
59 copy(src, src+data_size, static_cast<char *>(staging));
62 void VulkanTexture3D::generate_mipmap()
64 generate_mipmap_levels(static_cast<const Texture3D *>(this)->levels);
67 void VulkanTexture3D::fill_mipmap_blit(unsigned level, void *b)
69 const Texture3D &self = *static_cast<const Texture3D *>(this);
70 VkImageBlit &blit = *static_cast<VkImageBlit *>(b);
72 LinAl::Vector<int, 3> src_size = self.get_level_size(level);
73 LinAl::Vector<int, 3> dst_size = self.get_level_size(level+1);
75 blit.srcSubresource.layerCount = (is_array() ? self.depth : 1);
76 blit.dstSubresource.layerCount = blit.srcSubresource.layerCount;
77 blit.srcOffsets[1] = { src_size.x, src_size.y, (is_array() ? 1 : src_size.z) };
78 blit.dstOffsets[1] = { dst_size.x, dst_size.y, (is_array() ? 1 : dst_size.z) };
81 bool VulkanTexture3D::is_array() const
83 return view_type==VK_IMAGE_VIEW_TYPE_2D_ARRAY;
86 size_t VulkanTexture3D::get_data_size() const