def _setup_instance(self):
layers = []
extensions = ["VK_KHR_surface", hvk.SYSTEM_SURFACE_EXTENSION]
available_layers = [l[0] for l in hvk.enumerate_layers()]
if DEBUG and "VK_LAYER_LUNARG_standard_validation" in available_layers:
self.debug = True
extensions.append("VK_EXT_debug_utils")
layers.append("VK_LAYER_LUNARG_standard_validation")
self.api, self.instance = hvk.create_instance(extensions, layers)
def create_instance():
global api, instance
# Layers
# Check if debugging layers are present
layer_names = [l[0] for l in hvk.enumerate_layers()]
if "VK_LAYER_LUNARG_core_validation" in layer_names and "VK_LAYER_LUNARG_standard_validation" in layer_names:
layers = ("VK_LAYER_LUNARG_core_validation",
"VK_LAYER_LUNARG_standard_validation")
else:
layers = ()
# Extensions
extensions = ["VK_KHR_surface", "VK_EXT_debug_report"]
system_name = platform.system()
if system_name == 'Windows':
extensions.append('VK_KHR_win32_surface')
elif system_name == 'Linux':
extensions.append('VK_KHR_xcb_surface')
# Api & Instance creation
api, instance = hvk.create_instance(extensions, layers)