Added ClearCache function to clear ImGui Vulkan texture cache on shutdown

examples/imgui_impl_vulkan_with_textures.cpp

@@ -842,6 +842,8 @@ void ImGui_ImplVulkan_Shutdown()
 
     // Clean up windows
     ImGui_ImplVulkan_ShutdownPlatformInterface();
+
+	ImGui_ImplVulkan_ClearCache();
 }
 
 void ImGui_ImplVulkan_NewFrame()
@@ -1298,6 +1300,11 @@ ImTextureID ImGui_ImplVulkan_UpdateTextureInfo(VkDescriptorSet descriptorSet, Vk
     return (ImTextureID)descriptorSet;
 }
 
+void ImGui_ImplVulkan_ClearCache()
+{
+    s_VulkanCache.clear();
+}
+
 void ImGui_ImplVulkanH_DestroyAllViewportsRenderBuffers(VkDevice device, const VkAllocationCallbacks* allocator)
 {
     ImGuiPlatformIO& platform_io = ImGui::GetPlatformIO();

examples/imgui_impl_vulkan_with_textures.h

@@ -51,6 +51,7 @@ IMGUI_IMPL_API void     ImGui_ImplVulkan_DestroyFontUploadObjects();
 IMGUI_IMPL_API void     ImGui_ImplVulkan_SetMinImageCount(uint32_t min_image_count); // To override MinImageCount after initialization (e.g. if swap chain is recreated)
 IMGUI_IMPL_API ImTextureID    ImGui_ImplVulkan_AddTexture(VkSampler sampler, VkImageView image_view, VkImageLayout image_layout);
 IMGUI_IMPL_API ImTextureID    ImGui_ImplVulkan_UpdateTextureInfo(VkDescriptorSet descriptorSet, VkSampler sampler, VkImageView image_view, VkImageLayout image_layout);
+IMGUI_IMPL_API void     ImGui_ImplVulkan_ClearCache();
 
 
 //-------------------------------------------------------------------------