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import moderngl
import pytest
def test_framebuffer_color_attachment(ctx):
rbo = ctx.renderbuffer((16, 16))
ctx.framebuffer(rbo)
def test_framebuffer_get_color_attachments(ctx):
rbo1 = ctx.renderbuffer((16, 16))
rbo2 = ctx.renderbuffer((16, 16))
rbo3 = ctx.renderbuffer((16, 16))
fbo1 = ctx.framebuffer(rbo1)
fbo2 = ctx.framebuffer([rbo2, rbo1])
fbo3 = ctx.framebuffer([rbo1, rbo2, rbo3])
assert len(fbo1.color_attachments) == 1
assert len(fbo2.color_attachments) == 2
assert len(fbo3.color_attachments) == 3
assert isinstance(fbo1.color_attachments[0], moderngl.Renderbuffer)
assert isinstance(fbo2.color_attachments[0], moderngl.Renderbuffer)
assert isinstance(fbo2.color_attachments[1], moderngl.Renderbuffer)
assert isinstance(fbo3.color_attachments[0], moderngl.Renderbuffer)
assert isinstance(fbo3.color_attachments[1], moderngl.Renderbuffer)
assert isinstance(fbo3.color_attachments[2], moderngl.Renderbuffer)
assert rbo1 in fbo1.color_attachments
assert rbo2 in fbo2.color_attachments
assert rbo2 in fbo3.color_attachments
assert rbo2 not in fbo1.color_attachments
assert rbo3 not in fbo1.color_attachments
assert rbo3 not in fbo2.color_attachments
def test_framebuffer_get_depth_attachment(ctx):
rbo1 = ctx.renderbuffer((16, 16))
rbo2 = ctx.depth_renderbuffer((16, 16))
fbo1 = ctx.framebuffer(rbo1)
fbo2 = ctx.framebuffer(rbo1, rbo2)
assert fbo1.depth_attachment is None
assert isinstance(fbo2.depth_attachment, moderngl.Renderbuffer)
assert fbo1.depth_attachment != rbo2
assert fbo2.depth_attachment == rbo2
def test_framebuffer_color_mask(ctx):
fbo = ctx.framebuffer(ctx.renderbuffer((16, 16)))
assert fbo.color_mask == (True, True, True, True)
def test_framebuffer_single_channel_color_mask(ctx):
fbo = ctx.framebuffer(ctx.renderbuffer((16, 16), components=1))
assert fbo.color_mask == (True, True, True, True)
def test_framebuffer_mixed_channels_color_mask(ctx):
fbo = ctx.framebuffer([
ctx.renderbuffer((16, 16), components=1),
ctx.renderbuffer((16, 16), components=2),
ctx.renderbuffer((16, 16), components=3),
ctx.renderbuffer((16, 16), components=4),
])
expected = (
(True, True, True, True),
(True, True, True, True),
(True, True, True, True),
(True, True, True, True),
)
assert fbo.color_mask == expected
def test_framebuffer_depth_mask_1(ctx):
fbo = ctx.framebuffer(
ctx.renderbuffer((16, 16)),
ctx.depth_renderbuffer((16, 16)),
)
assert fbo.depth_mask is True
def test_framebuffer_depth_mask_2(ctx):
fbo = ctx.framebuffer(
ctx.renderbuffer((16, 16))
)
assert fbo.depth_mask is False
def test_framebuffer_color_attachments(ctx):
rbo1 = ctx.renderbuffer((16, 16))
rbo2 = ctx.renderbuffer((16, 16))
rbo3 = ctx.renderbuffer((16, 16))
ctx.framebuffer([rbo1, rbo2, rbo3])
def test_framebuffer_multiple_color_masks(ctx):
fbo = ctx.framebuffer([
ctx.renderbuffer((16, 16)),
ctx.renderbuffer((16, 16)),
])
expected = ((True, True, True, True), (True, True, True, True))
assert fbo.color_mask == expected
def test_framebuffer_size_mismatch(ctx):
with pytest.raises(moderngl.Error):
rbo1 = ctx.renderbuffer((16, 16))
rbo2 = ctx.depth_renderbuffer((32, 32))
ctx.framebuffer(rbo1, rbo2)
def test_framebuffer_color_attachments_size_mismatch(ctx):
with pytest.raises(moderngl.Error):
rbo1 = ctx.renderbuffer((16, 16))
rbo2 = ctx.renderbuffer((32, 32))
ctx.framebuffer([rbo1, rbo2])
def test_depth_framebuffer(ctx):
rbo1 = ctx.renderbuffer((16, 16))
rbo2 = ctx.depth_renderbuffer((16, 16))
ctx.framebuffer(rbo1, rbo2)
def test_framebuffer_multisample(ctx):
if ctx.max_samples < 2:
pytest.skip('multisampling is not supported')
rbo1 = ctx.renderbuffer((16, 16), samples=2)
ctx.framebuffer(rbo1)
def test_depth_framebuffer_multisample(ctx):
if ctx.max_samples < 2:
pytest.skip('multisampling is not supported')
rbo1 = ctx.renderbuffer((16, 16), samples=2)
rbo2 = ctx.depth_renderbuffer((16, 16), samples=2)
ctx.framebuffer(rbo1, rbo2)
def test_framebuffer_multisample_sample_mismatch(ctx):
if ctx.max_samples < 2:
pytest.skip('multisampling is not supported')
with pytest.raises(moderngl.Error):
rbo1 = ctx.renderbuffer((16, 16))
rbo2 = ctx.depth_renderbuffer((16, 16), samples=2)
ctx.framebuffer(rbo1, rbo2)
def test_empty_framebuffer(ctx):
with pytest.raises(moderngl.Error):
ctx.framebuffer([])
def test_framebuffer_having_depth_in_colors(ctx):
with pytest.raises(moderngl.Error):
ctx.framebuffer(ctx.depth_renderbuffer((16, 16)))
def test_framebuffer_having_color_in_depth(ctx):
with pytest.raises(moderngl.Error):
ctx.framebuffer(
ctx.renderbuffer((16, 16)),
ctx.renderbuffer((16, 16)),
)
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