Android Vulkan，检查支持抗锯齿

Question

How to check that device support antialiasing for Vulkan Graphics APi. For example for checking it on OPENGL used

String extension = GLES10.glGetString(GLES10.GL_EXTENSIONS);

and then check contains string " GL_EXT_texture_filter_anisotropic ". How do it if used Vulkan Graphics api?

Answer 1

Anisotropic filtering is an optional device feature. You can query it with

VkPhysicalDeviceFeatures supportedFeatures;
vkGetPhysicalDeviceFeatures(device, &supportedFeatures);

supportedFeatures.samplerAnisotropy will contain a boolean stating if the feature is available.