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import renderdoc as rd
import rdtest
from typing import List
class GL_Pixel_History(rdtest.TestCase):
demos_test_name = 'GL_Pixel_History'
demos_frame_cap = 10
def check_capture(self):
action = self.get_first_action()
while True:
glclear: rd.ActionDescription = self.find_action('glClear', action.eventId)
action: rd.ActionDescription = self.find_action('glDraw', action.eventId+1)
if action is None:
break
rdtest.log.success(f'Test {action.eventId} started.')
self.controller.SetFrameEvent(action.eventId, True)
pipe: rd.PipeState = self.controller.GetPipelineState()
rt: rd.BoundResource = pipe.GetOutputTargets()[0]
tex: rd.ResourceId = rt.resourceId
sub = rd.Subresource()
texDescription : rd.TextureDescription = self.get_texture(tex)
print(f"format: {texDescription.format.Name()}")
if texDescription.format.type == rd.ResourceFormatType.R5G5B5A1 or texDescription.format.type == rd.ResourceFormatType.R5G6B5:
eps = 1.0 / 32.0
elif texDescription.format.type == rd.ResourceFormatType.R10G10B10A2:
eps = 1.0 / 1024.0
elif texDescription.format.type == rd.ResourceFormatType.R11G11B10:
eps = 0.01
elif texDescription.format.compByteWidth == 1:
eps = 1.0 / 255.0
else:
eps = 2.0 / 16384.0
x, y = 190, 149
events = [glclear.eventId, action.eventId]
modifs: List[rd.PixelModification] = self.controller.PixelHistory(tex, x, y, sub, rt.typeCast)
self.check_events(events, modifs, False)
self.check_pixel_value(tex, x, y, modifs[-1].postMod.col.floatValue, sub=sub, cast=rt.typeCast, eps=eps)
self.check_shader_out_with_postmod(modifs[-1].shaderOut.col.floatValue, modifs[-1].postMod.col.floatValue, texDescription.format.compCount, eps)
x, y = 328, 199
events = [glclear.eventId]
modifs: List[rd.pixelModification] = self.controller.PixelHistory(tex, x, y, sub, rt.typeCast)
self.check_events(events, modifs, False)
self.check_pixel_value(tex, x, y, modifs[-1].postMod.col.floatValue, sub=sub, cast=rt.typeCast, eps=eps)
rdtest.log.success('Test {} completed.'.format(action.eventId))
def check_events(self, events, modifs, hasSecondary):
eventMatchingModifs = modifs[(-1 * len(events)):]
print(f"Events: {events}, Modifs: {modifs}, EventMatchingModifs: {eventMatchingModifs}")
# modifications can show results from previous colour passes which we don't care about for now, so we only check the last relevant modifs
for i in range(len(eventMatchingModifs)):
self.check(eventMatchingModifs[i].eventId == events[i], f"Expected event with id {events[i]}, but got {eventMatchingModifs[i].eventId}")
def check_shader_out_with_postmod(self, shaderOut, postMod, compCount: int, eps: float):
print(f"shaderOut: {shaderOut}, posMod: {postMod}")
diff = 0
for i in range(compCount):
if not rdtest.value_compare(shaderOut[i], postMod[i], eps=eps):
raise rdtest.TestFailureException(f"shaderOut and postMod differ by {shaderOut[i] - postMod[i]}")
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