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import rdtest
import renderdoc as rd
class GL_Buffer_Updates(rdtest.TestCase):
demos_test_name = 'GL_Buffer_Updates'
def check_capture(self):
tex = rd.TextureDisplay()
# At each draw, the centre pixel of the viewport should be green
draw = self.get_first_draw()
while draw is not None:
self.controller.SetFrameEvent(draw.eventId, False)
if draw.flags & rd.DrawFlags.Drawcall:
pipe = self.controller.GetPipelineState()
tex = self.controller.GetPipelineState().GetOutputTargets()[0].resourceId
view: rd.Viewport = self.controller.GetPipelineState().GetViewport(0)
x,y = int(view.x + view.width / 2), int(view.y + view.height / 2)
# convert to top-left co-ordinates for use with PickPixel
y = self.get_texture(tex).height - y
self.check_pixel_value(tex, x, y, [0.0, 1.0, 0.0, 1.0])
draw = draw.next
rdtest.log.success("Draws are all green")
# Now save the backbuffer to disk
ref_path = rdtest.get_tmp_path('backbuffer.png')
save_data = rd.TextureSave()
save_data.resourceId = tex
save_data.destType = rd.FileType.PNG
self.controller.SaveTexture(save_data, ref_path)
# Open the capture and grab the thumbnail, check that it is all green too (dirty way of verifying we didn't
# break in-app updates but somehow end up with the right data)
cap = rd.OpenCaptureFile()
# Open a particular file
status = cap.OpenFile(self.capture_filename, '', None)
# Make sure the file opened successfully
if status != rd.ReplayStatus.Succeeded:
cap.Shutdown()
raise rdtest.TestFailureException("Couldn't open '{}': {}".format(self.capture_filename, str(status)))
thumb: rd.Thumbnail = cap.GetThumbnail(rd.FileType.PNG, 0)
tmp_path = rdtest.get_tmp_path('thumbnail.png')
with open(tmp_path, 'wb') as f:
f.write(thumb.data)
# The original thumbnail should also be identical, since we have the uncompressed extended thumbnail.
if not rdtest.png_compare(tmp_path, ref_path):
raise rdtest.TestFailureException("Reference backbuffer and thumbnail image differ", tmp_path, ref_path)
rdtest.log.success("Thumbnail is identical to reference")
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