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import renderdoc as rd
import rdtest
class D3D12_VRS(rdtest.TestCase):
demos_test_name = 'D3D12_VRS'
def get_shading_rates(self):
pipe: rd.PipeState = self.controller.GetPipelineState()
v = pipe.GetViewport(0)
tex = pipe.GetOutputTargets()[0].resourceId
# Ensure we check even-based quads
x = int(v.x) - int(v.x % 2)
y = int(v.y) - int(v.y % 2)
return (self.get_shading_rate_for_quad(tex, x + 24, y + 50),
self.get_shading_rate_for_quad(tex, x + 74, y + 42))
def get_shading_rate_for_quad(self, tex, x, y):
picked = [self.controller.PickPixel(tex, x+0, y+0, rd.Subresource(), rd.CompType.Typeless),
self.controller.PickPixel(tex, x+1, y+0, rd.Subresource(), rd.CompType.Typeless),
self.controller.PickPixel(tex, x+0, y+1, rd.Subresource(), rd.CompType.Typeless),
self.controller.PickPixel(tex, x+1, y+1, rd.Subresource(), rd.CompType.Typeless)]
# all same - 2x2
if all([p.floatValue == picked[0].floatValue for p in picked]):
return "2x2"
# X same Y diff - 2x1
if (picked[0].floatValue == picked[1].floatValue) and (picked[2].floatValue == picked[3].floatValue) and \
(picked[0].floatValue != picked[2].floatValue):
return "2x1"
# X diff Y same - 1x2
if (picked[0].floatValue == picked[2].floatValue) and (picked[1].floatValue == picked[3].floatValue) and \
(picked[0].floatValue != picked[1].floatValue):
return "1x2"
# all different - 1x1
if all([p.floatValue != picked[0].floatValue for p in picked[1:]]):
return "1x1"
return "?x?"
def check_capture(self):
# we do two passes, first when we're selecting the actual actions and second when we're in a second command buffer
# going over the same viewports but with dummy actions. To ensure the results are the same whether or not we're
# in the VRS command buffer
for pass_name in ["First", "Second"]:
pass_action = self.find_action(pass_name)
action = self.find_action("Default", pass_action.eventId)
self.check(action is not None)
self.controller.SetFrameEvent(action.next.eventId, False)
num_checks = 0
self.check(self.get_shading_rates() == ("1x1", "1x1"),
"{} shading rates unexpected: {}".format(action.customName, self.get_shading_rates()))
num_checks += 1
action = self.find_action("Base", pass_action.eventId)
self.controller.SetFrameEvent(action.next.eventId, False)
self.check(self.get_shading_rates() == ("2x2", "2x2"),
"{} shading rates unexpected: {}".format(action.customName, self.get_shading_rates()))
num_checks += 1
action = self.find_action("Vertex", pass_action.eventId)
if action is not None:
self.controller.SetFrameEvent(action.next.eventId, False)
self.check(self.get_shading_rates() == ("1x1", "2x2"),
"{} shading rates unexpected: {}".format(action.customName, self.get_shading_rates()))
num_checks += 1
rdtest.log.success("Shading rates were as expected in per-vertex case")
action = self.find_action("Image", pass_action.eventId)
if action is not None:
self.controller.SetFrameEvent(action.next.eventId, False)
self.check(self.get_shading_rates() == ("2x2", "1x1"),
"{} shading rates unexpected: {}".format(action.customName, self.get_shading_rates()))
num_checks += 1
rdtest.log.success("Shading rates were as expected in image-based case")
action = self.find_action("Base + Vertex", pass_action.eventId)
if action is not None:
self.controller.SetFrameEvent(action.next.eventId, False)
self.check(self.get_shading_rates() == ("2x2", "2x2"),
"{} shading rates unexpected: {}".format(action.customName, self.get_shading_rates()))
num_checks += 1
action = self.find_action("Base + Image", pass_action.eventId)
if action is not None:
self.controller.SetFrameEvent(action.next.eventId, False)
self.check(self.get_shading_rates() == ("2x2", "2x2"),
"{} shading rates unexpected: {}".format(action.customName, self.get_shading_rates()))
num_checks += 1
action = self.find_action("Vertex + Image", pass_action.eventId)
if action is not None:
self.controller.SetFrameEvent(action.next.eventId, False)
self.check(self.get_shading_rates() == ("2x2", "2x2"),
"{} shading rates unexpected: {}".format(action.customName, self.get_shading_rates()))
num_checks += 1
rdtest.log.success("{}pass: Shading rates were as expected in {} test cases".format(pass_name, num_checks))
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