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# -*- coding: utf-8 -*-
import json
import tempfile
from unittest import mock
from vispy import config
from vispy.app import Canvas
from vispy.gloo import glir
from vispy.testing import requires_application, requires_pyopengl, run_tests_if_main
import numpy as np
def test_queue():
q = glir.GlirQueue()
parser = glir.GlirParser()
# Test adding commands and clear
N = 5
for i in range(N):
q.command('FOO', 'BAR', i)
cmds = q.clear()
for i in range(N):
assert cmds[i] == ('FOO', 'BAR', i)
# Test filter 1
cmds1 = [('DATA', 1), ('SIZE', 1), ('FOO', 1), ('SIZE', 1), ('FOO', 1),
('DATA', 1), ('DATA', 1)]
cmds2 = [c[0] for c in q._shared._filter(cmds1, parser)]
assert cmds2 == ['FOO', 'SIZE', 'FOO', 'DATA', 'DATA']
# Test filter 2
cmds1 = [('DATA', 1), ('SIZE', 1), ('FOO', 1), ('SIZE', 2), ('SIZE', 2),
('DATA', 2), ('SIZE', 1), ('FOO', 1), ('DATA', 1), ('DATA', 1)]
cmds2 = q._shared._filter(cmds1, parser)
assert cmds2 == [('FOO', 1), ('SIZE', 2), ('DATA', 2), ('SIZE', 1),
('FOO', 1), ('DATA', 1), ('DATA', 1)]
# Define shader
shader1 = """
precision highp float;uniform mediump vec4 u_foo;uniform vec4 u_bar;
""".strip().replace(';', ';\n')
# Convert for desktop
shader2 = glir.convert_shader('desktop', shader1)
assert 'highp' not in shader2
assert 'mediump' not in shader2
assert 'precision' not in shader2
# Convert for es2
shader3 = glir.convert_shader('es2', shader2)
# make sure precision float is still in the shader
# it may not be the first (precision int might be there)
assert 'precision highp float;' in shader3
# precisions must come before code
assert shader3.startswith('precision')
# Define shader with version number
shader4 = """
#version 100; precision highp float;uniform mediump vec4 u_foo;uniform vec4 u_bar;
""".strip().replace(';', ';\n')
shader5 = glir.convert_shader('es2', shader4)
assert 'precision highp float;' in shader5
# make sure that precision is first (version is removed)
# precisions must come before code
assert shader3.startswith('precision')
@requires_application()
def test_log_parser():
"""Test GLIR log parsing"""
glir_file = tempfile.TemporaryFile(mode='r+')
config.update(glir_file=glir_file)
with Canvas() as c:
c.context.set_clear_color('white')
c.context.clear()
glir_file.seek(0)
lines = glir_file.read().split(',\n')
assert lines[0][0] == '['
lines[0] = lines[0][1:]
assert lines[-1][-1] == ']'
lines[-1] = lines[-1][:-1]
i = 0
# The FBO argument may be anything based on the backend.
expected = json.dumps(['CURRENT', 0, 1])
assert len(lines[i]) >= len(expected)
expected = expected.split('1')
assert lines[i].startswith(expected[0])
assert lines[i].endswith(expected[1])
assert int(lines[i][len(expected[0]):-len(expected[1])]) is not None
# The 'CURRENT' command may have been called multiple times
while lines[i].startswith('["CURRENT",'):
i += 1
if lines[i] == json.dumps(['FUNC', 'colorMask', False, False, False, True]):
# Qt workaround, see #2040
i += 4
assert lines[i] == json.dumps(['FUNC', 'clearColor', 1.0, 1.0, 1.0, 1.0])
i += 1
assert lines[i] == json.dumps(['FUNC', 'clear', 17664])
i += 1
assert lines[i] == json.dumps(['FUNC', 'finish'])
i += 1
config.update(glir_file='')
glir_file.close()
@requires_application()
def test_capabilities():
"""Test GLIR capability reporting"""
with Canvas() as c:
capabilities = c.context.shared.parser.capabilities
assert capabilities['max_texture_size'] is not None
assert capabilities['gl_version'] != 'unknown'
@requires_pyopengl()
@mock.patch('vispy.gloo.glir._check_pyopengl_3D')
@mock.patch('vispy.gloo.glir.gl')
def test_texture1d_alignment(gl, check3d):
"""Test that textures set unpack alignment properly.
See https://github.com/vispy/vispy/pull/1758
"""
from ..glir import GlirTexture1D
check3d.return_value = check3d
t = GlirTexture1D(mock.MagicMock(), 3)
shape = (393, 1)
t.set_size(shape, 'luminance', 'luminance')
t.set_data((0,), np.zeros(shape, np.float32))
# number of elements doesn't matter, only data type
gl.glPixelStorei.assert_not_called()
gl.glPixelStorei.reset_mock()
# now with bytes
t.set_data((0,), np.zeros(shape, np.uint8))
gl.glPixelStorei.assert_has_calls([
mock.call(gl.GL_UNPACK_ALIGNMENT, 1),
mock.call(gl.GL_UNPACK_ALIGNMENT, 4),
])
gl.glPixelStorei.reset_mock()
# different shape
shape = (394, 1)
t.set_size(shape, 'luminance', 'luminance')
t.set_data((0,), np.zeros(shape, np.float32))
# number of elements doesn't matter, only data type
gl.glPixelStorei.assert_not_called()
gl.glPixelStorei.reset_mock()
t.set_data((0,), np.zeros(shape, np.uint8))
gl.glPixelStorei.assert_has_calls([
mock.call(gl.GL_UNPACK_ALIGNMENT, 1),
mock.call(gl.GL_UNPACK_ALIGNMENT, 4),
])
gl.glPixelStorei.reset_mock()
@requires_pyopengl()
@mock.patch('vispy.gloo.glir._check_pyopengl_3D')
@mock.patch('vispy.gloo.glir.gl')
def test_texture2d_alignment(gl, check3d):
"""Test that textures set unpack alignment properly.
See https://github.com/vispy/vispy/pull/1758
"""
from ..glir import GlirTexture2D
check3d.return_value = gl
t = GlirTexture2D(mock.MagicMock(), 3)
shape = (296, 393, 1)
t.set_size(shape, 'luminance', 'luminance')
t.set_data((0, 0), np.zeros(shape, np.float32))
# alignment should have been 4 which is the default
gl.glPixelStorei.assert_not_called()
gl.glPixelStorei.reset_mock()
# now with bytes
t.set_data((0, 0), np.zeros(shape, np.uint8))
gl.glPixelStorei.assert_has_calls([
mock.call(gl.GL_UNPACK_ALIGNMENT, 1),
mock.call(gl.GL_UNPACK_ALIGNMENT, 4),
])
gl.glPixelStorei.reset_mock()
# different shape
shape = (296, 394, 1)
t.set_size(shape, 'luminance', 'luminance')
t.set_data((0, 0), np.zeros(shape, np.float32))
gl.glPixelStorei.assert_has_calls([
mock.call(gl.GL_UNPACK_ALIGNMENT, 8),
mock.call(gl.GL_UNPACK_ALIGNMENT, 4),
])
gl.glPixelStorei.reset_mock()
t.set_data((0, 0), np.zeros(shape, np.uint8))
gl.glPixelStorei.assert_has_calls([
mock.call(gl.GL_UNPACK_ALIGNMENT, 2),
mock.call(gl.GL_UNPACK_ALIGNMENT, 4),
])
gl.glPixelStorei.reset_mock()
@requires_pyopengl()
@mock.patch('vispy.gloo.glir._check_pyopengl_3D')
@mock.patch('vispy.gloo.glir.gl')
def test_texture3d_alignment(gl, check3d):
"""Test that textures set unpack alignment properly.
See https://github.com/vispy/vispy/pull/1758
"""
from ..glir import GlirTexture3D
check3d.return_value = gl
t = GlirTexture3D(mock.MagicMock(), 3)
shape = (68, 296, 393, 1)
t.set_size(shape, 'luminance', 'luminance')
t.set_data((0, 0, 0), np.zeros(shape, np.float32))
# alignment should have been 4 which is the default
gl.glPixelStorei.assert_not_called()
gl.glPixelStorei.reset_mock()
# now with bytes
t.set_data((0, 0, 0), np.zeros(shape, np.uint8))
gl.glPixelStorei.assert_has_calls([
mock.call(gl.GL_UNPACK_ALIGNMENT, 1),
mock.call(gl.GL_UNPACK_ALIGNMENT, 4),
])
gl.glPixelStorei.reset_mock()
# different shape
shape = (68, 296, 394, 1)
t.set_size(shape, 'luminance', 'luminance')
t.set_data((0, 0, 0), np.zeros(shape, np.float32))
gl.glPixelStorei.assert_has_calls([
mock.call(gl.GL_UNPACK_ALIGNMENT, 8),
mock.call(gl.GL_UNPACK_ALIGNMENT, 4),
])
gl.glPixelStorei.reset_mock()
t.set_data((0, 0, 0), np.zeros(shape, np.uint8))
gl.glPixelStorei.assert_has_calls([
mock.call(gl.GL_UNPACK_ALIGNMENT, 2),
mock.call(gl.GL_UNPACK_ALIGNMENT, 4),
])
gl.glPixelStorei.reset_mock()
@requires_pyopengl()
@mock.patch('vispy.gloo.glir._check_pyopengl_3D')
@mock.patch('vispy.gloo.glir.gl')
def test_texture_cube_alignment(gl, check3d):
"""Test that textures set unpack alignment properly.
See https://github.com/vispy/vispy/pull/1758
"""
from ..glir import GlirTextureCube
check3d.return_value = gl
t = GlirTextureCube(mock.MagicMock(), 3)
shape = (68, 296, 393, 1)
t.set_size(shape, 'luminance', 'luminance')
t.set_data((0, 0, 0), np.zeros(shape, np.float32))
# alignment should have been 4 which is the default
gl.glPixelStorei.assert_not_called()
gl.glPixelStorei.reset_mock()
# now with bytes
t.set_data((0, 0, 0), np.zeros(shape, np.uint8))
gl.glPixelStorei.assert_has_calls([
mock.call(gl.GL_UNPACK_ALIGNMENT, 1),
mock.call(gl.GL_UNPACK_ALIGNMENT, 4),
])
gl.glPixelStorei.reset_mock()
# different shape
shape = (68, 296, 394, 1)
t.set_size(shape, 'luminance', 'luminance')
t.set_data((0, 0, 0), np.zeros(shape, np.float32))
gl.glPixelStorei.assert_has_calls([
mock.call(gl.GL_UNPACK_ALIGNMENT, 8),
mock.call(gl.GL_UNPACK_ALIGNMENT, 4),
])
gl.glPixelStorei.reset_mock()
t.set_data((0, 0, 0), np.zeros(shape, np.uint8))
gl.glPixelStorei.assert_has_calls([
mock.call(gl.GL_UNPACK_ALIGNMENT, 2),
mock.call(gl.GL_UNPACK_ALIGNMENT, 4),
])
gl.glPixelStorei.reset_mock()
# The rest is basically tested via our examples
run_tests_if_main()
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