image_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
image_info.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
- image_info.usage = VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_SAMPLED_BIT;
+ image_info.usage = VK_IMAGE_USAGE_TRANSFER_SRC_BIT|VK_IMAGE_USAGE_TRANSFER_DST_BIT|VK_IMAGE_USAGE_SAMPLED_BIT;
PixelComponents comp = get_components(self.storage_fmt);
if(comp==DEPTH_COMPONENT || comp==STENCIL_INDEX)
image_info.usage |= VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT;
memory_id = device.get_allocator().allocate(handle, DEVICE_MEMORY);
// Trigger a layout transition if the image is used before uploading data.
- synchronize(-1, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL, true);
+ change_layout(0, -1, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL, true);
}
VkImageViewCreateInfo view_info = { };
set_vulkan_object_names();
}
-void VulkanTexture::generate_mipmap()
+void VulkanTexture::generate_mipmap_levels(unsigned n_levels)
{
- throw logic_error("VulkanTexture::generate_mipmap is unimplemented");
+ TransferQueue &tq = device.get_transfer_queue();
+ for(unsigned i=0; i+1<n_levels; ++i)
+ {
+ tq.prepare_transfer(this, true, 0,
+ [this, n_levels, i](){
+ change_layout((i==0 ? n_levels : 0), i, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, false);
+ change_layout(0, i+1, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, true);
+ },
+ [this, i](VkCommandBuffer cmd_buf, VkBuffer, size_t){
+ const VulkanFunctions &vk = device.get_functions();
+
+ VkImageBlit region = { };
+ region.srcSubresource.aspectMask = get_vulkan_aspect(get_components(static_cast<const Texture *>(this)->storage_fmt));
+ region.srcSubresource.mipLevel = i;
+ region.srcSubresource.baseArrayLayer = 0;
+ region.srcSubresource.layerCount = 1;
+ region.dstSubresource = region.srcSubresource;
+ ++region.dstSubresource.mipLevel;
+
+ fill_mipmap_blit(i, ®ion);
+
+ vk.CmdBlitImage(cmd_buf, handle, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, handle, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
+ 1, ®ion, VK_FILTER_LINEAR);
+ });
+ }
}
-void VulkanTexture::synchronize(int layer, unsigned layout, bool discard) const
+void VulkanTexture::change_layout(unsigned n_levels, int level, unsigned layout, bool discard) const
{
unsigned aspect = get_vulkan_aspect(get_components(static_cast<const Texture *>(this)->storage_fmt));
- device.get_synchronizer().access(handle, aspect, layer, layout, discard);
+ if(n_levels>0)
+ device.get_synchronizer().split_image_mipmap(handle, aspect, n_levels);
+ device.get_synchronizer().change_image_layout(handle, aspect, level, layout, discard);
}
void VulkanTexture::set_debug_name(const string &name)