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tests: Robustify depth range test case

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rdb 2021-08-31 14:02:49 +02:00
parent c96189e53c
commit 0ae8d8f315
1 changed files with 5 additions and 5 deletions
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10
tests/display/test_depth_buffer.py
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@ -159,23 +159,23 @@ def test_inverted_depth_clipping(depth_region):
def test_depth_range(depth_region):
try:
depth_region.set_depth_range(0.25, 0.75)
z = render_depth_pixel(depth_region, 1.00001, near=1, far=10)
z = render_depth_pixel(depth_region, 1.00001, near=1, far=10, clear=0.0)
assert z == pytest.approx(0.25, rel=0.01)
z = render_depth_pixel(depth_region, 10, near=1, far=10)
z = render_depth_pixel(depth_region, 9.99999, near=1, far=10, clear=0.0)
assert z == pytest.approx(0.75, rel=0.01)
# Combines with DepthOffsetAttrib range.
state = core.RenderState.make(core.DepthOffsetAttrib.make(0, 0.25, 0.75))
z = render_depth_pixel(depth_region, 1.00001, near=1, far=10, state=state)
z = render_depth_pixel(depth_region, 1.00001, near=1, far=10, clear=0.0, state=state)
assert z == pytest.approx(0.375, rel=0.01)
# Reverse the depth range.
depth_region.set_depth_range(0.75, 0.25)
z = render_depth_pixel(depth_region, 1.00001, near=1, far=10)
z = render_depth_pixel(depth_region, 1.00001, near=1, far=10, clear=0.0)
assert z == pytest.approx(0.75, rel=0.01)
z = render_depth_pixel(depth_region, 10, near=1, far=10)
z = render_depth_pixel(depth_region, 9.99999, near=1, far=10, clear=0.0)
assert z == pytest.approx(0.25, rel=0.01)
finally:
depth_region.set_depth_range(0, 1)