1 files changed, 18 insertions, 5 deletions

diff --git a/src/platform/vulkan/vulkan_device.cpp b/src/platform/vulkan/vulkan_device.cpp
index d744883..b4c2630 100644
--- a/src/platform/vulkan/vulkan_device.cpp
+++ b/src/platform/vulkan/vulkan_device.cpp
@@ -119,7 +119,18 @@ namespace Donut::RHI
     auto VulkanDevice::run_offscreen(const std::function<void(CommandList&)>& record) -> void
     {
         vkDeviceWaitIdle(m_device);
-        vkResetDescriptorPool(m_device, m_frame_pools[0], 0);
+
+        if (m_offscreen_pool == VK_NULL_HANDLE)
+        {
+            VkDescriptorPoolSize sizes[2] = {
+                { VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,         32 },
+                { VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 32 },
+            };
+            VkDescriptorPoolCreateInfo dpci{ VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO };
+            dpci.maxSets = 16; dpci.poolSizeCount = 2; dpci.pPoolSizes = sizes;
+            vkCreateDescriptorPool(m_device, &dpci, nullptr, &m_offscreen_pool);
+        }
+        vkResetDescriptorPool(m_device, m_offscreen_pool, 0);
 
         VkCommandBufferAllocateInfo cbai{ VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO };
         cbai.commandPool = m_command_pool; cbai.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY; cbai.commandBufferCount = 1;
@@ -127,10 +138,11 @@ namespace Donut::RHI
         VkCommandBufferBeginInfo bi{ VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO }; bi.flags = VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT;
         vkBeginCommandBuffer(cmd, &bi);
 
-        m_cmds.m_device = m_device; m_cmds.m_cmd = cmd;
-        m_cmds.m_swapchain_rp = m_swapchain_rp; m_cmds.m_swapchain_fb = VK_NULL_HANDLE; m_cmds.m_extent = m_extent;
-        m_cmds.m_frame_pool = m_frame_pools[0]; m_cmds.m_pipe = nullptr;
-        record(m_cmds);
+        VkCommandListR ocmds;
+        ocmds.m_device = m_device; ocmds.m_cmd = cmd;
+        ocmds.m_swapchain_rp = m_swapchain_rp; ocmds.m_swapchain_fb = VK_NULL_HANDLE; ocmds.m_extent = m_extent;
+        ocmds.m_frame_pool = m_offscreen_pool; ocmds.m_pipe = nullptr;
+        record(ocmds);
 
         vkEndCommandBuffer(cmd);
         VkSubmitInfo si{ VK_STRUCTURE_TYPE_SUBMIT_INFO }; si.commandBufferCount = 1; si.pCommandBuffers = &cmd;
@@ -262,6 +274,7 @@ namespace Donut::RHI
         if (m_imgui_pool) vkDestroyDescriptorPool(m_device, m_imgui_pool, nullptr);
         for (auto p : m_frame_pools) vkDestroyDescriptorPool(m_device, p, nullptr);
         m_frame_pools.clear();
+        if (m_offscreen_pool) { vkDestroyDescriptorPool(m_device, m_offscreen_pool, nullptr); m_offscreen_pool = VK_NULL_HANDLE; }
         for (auto s : m_render_finished) vkDestroySemaphore(m_device, s, nullptr);
         for (auto s : m_image_available) vkDestroySemaphore(m_device, s, nullptr);
         for (auto f : m_in_flight)       vkDestroyFence(m_device, f, nullptr);