Pilot运行报错，VK_ERROR_OUT_OF_DEVICE_MEMORY

[charles]

使用VS编译后，运行报错。
运行时异常：failed to allocate image memory!
调用栈：

	PilotEditor.exe!Pilot::PVulkanUtil::createImage(VkPhysicalDevice_T * physical_device, VkDevice_T * device, unsigned int image_width, unsigned int image_height, VkFormat format, VkImageTiling image_tiling, unsigned int image_usage_flags, unsigned int memory_property_flags, VkImage_T * & image, VkDeviceMemory_T * & memory, unsigned int image_create_flags, unsigned int array_layers, unsigned int miplevels) 行 146	C++
 	PilotEditor.exe!Pilot::PPointLightShadowPass::setupAttachments() 行 86	C++
 	PilotEditor.exe!Pilot::PPointLightShadowPass::initialize() 行 18	C++
 	PilotEditor.exe!Pilot::PVulkanManager::initializeRenderPass() 行 15	C++
 	PilotEditor.exe!Pilot::PVulkanManager::initialize(GLFWwindow * window, Pilot::Scene & scene, Pilot::PilotRenderer * pilot_renderer) 行 24	C++
 	PilotEditor.exe!Pilot::SurfaceRHI::initialize(Pilot::SurfaceIO * io, const Pilot::FrameBuffer * framebuffer) 行 28	C++
 	PilotEditor.exe!Pilot::Surface::initialize(const Pilot::FrameBuffer * framebuffer) 行 60	C++
 	PilotEditor.exe!Pilot::PilotRenderer::initialize() 行 9	C++
 	PilotEditor.exe!Pilot::PilotEngine::startEngine(const Pilot::EngineInitParams & param) 行 65	C++
 	PilotEditor.exe!main(int argc, char * * argv) 行 22	C++

其他有用信息：
vkAllocateMemory申请内存失败，返回：VK_ERROR_OUT_OF_DEVICE_MEMORY

看起来是内存不足了，但是看内存占用并不高。求助，怎样调整内存限制呢？

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