def test_call(self):
code = """
tmp = p1 + p2 + p3
p4.x = 55.99
return tmp
"""
p1 = FloatArg('p1', 2.0)
p2 = IntArg('p2', 0)
p3 = FloatArg('p3', 0.0)
p4 = StructArgPtr('p4', TestPoint(4.4, 5.5))
shader = Shader(code=code, args=[], name='adding',
func_args=[p1, p2, p3, p4], is_func=True)
shader.compile()
shader.prepare(self.runtimes)
code2 = """
p1 = 44
p2 = 7
point = TestPoint()
rez = adding(55.4, p1, p2, point)
rez2 = point.x
"""
rez = FloatArg('rez', 11.33)
rez2 = FloatArg('rez2', 1.0)
shader2 = Shader(code=code2, args=[rez, rez2])
shader2.compile([shader])
shader2.prepare(self.runtimes)
shader2.execute()
rez = shader2.get_value('rez')
rez2 = shader2.get_value('rez2')
self.assertAlmostEqual(rez, 55.4 + 44 + 7, places=5)
self.assertAlmostEqual(rez2, 55.99, places=5)
def test_float(self):
code = """
temp = 5
p1 = float(temp)
p2 = float(88)
p3 = float()
p4 = float(6.6)
"""
p1 = FloatArg('p1', 333.3)
p2 = FloatArg('p2', 333.3)
p3 = FloatArg('p3', 333.3)
p4 = FloatArg('p4', 333.3)
shader = Shader(code=code, args=[p1, p2, p3, p4])
shader.compile()
shader.prepare([Runtime()])
shader.execute()
p = shader.get_value('p1')
self.assertAlmostEqual(p, 5.0)
p = shader.get_value('p2')
self.assertAlmostEqual(p, 88.0)
p = shader.get_value('p3')
self.assertAlmostEqual(p, 0.0)
p = shader.get_value('p4')
self.assertAlmostEqual(p, 6.6, places=6)
def test_arithmetic(self):
code = """
a1 = 33
a2 = 22
p1 = a1 + a2
a1 = 22.3
a2 = 11.1
p2 = a1 + a2
a1 = 44
a2 = -2.36
p3 = a1 * a2
a1 = (2.3, 4)
a2 = 5
p4 = a1 * a2
a1 = (3, 4, 6.6)
a2 = (7, 4.3, 2.6)
p5 = a1 - a2
a1 = (1, 4.1, 5.5, 9.9)
a2 = (0.22, 3.3, 2.6, 6.6)
p6 = a1 / a2
"""
p1 = IntArg('p1', 33)
p2 = FloatArg('p2', 55.5)
p3 = FloatArg('p3', 55.5)
p4 = Vec2Arg('p4', Vector2(0.0, 0.0))
p5 = Vec3Arg('p5', Vector3(0.0, 0.0, 0.0))
p6 = Vec4Arg('p6', Vector4(0.0, 0.0, 0.0, 0.0))
shader = Shader(code=code, args=[p1, p2, p3, p4, p5, p6])
shader.compile()
shader.prepare([Runtime()])
shader.execute()
rez = shader.get_value('p1')
self.assertEqual(rez, 33 + 22)
rez = shader.get_value('p2')
self.assertAlmostEqual(rez, 22.3 + 11.1, places=5)
rez = shader.get_value('p3')
self.assertAlmostEqual(rez, 44 * -2.36, places=5)
rez = shader.get_value('p4')
self.assertAlmostEqual(rez.x, 5 * 2.3, places=5)
self.assertAlmostEqual(rez.y, 5 * 4, places=5)
rez = shader.get_value('p5')
self.assertAlmostEqual(rez.x, 3 - 7.0, places=5)
self.assertAlmostEqual(rez.y, 4 - 4.3, places=5)
self.assertAlmostEqual(rez.z, 6.6 - 2.6, places=5)
rez = shader.get_value('p6')
self.assertAlmostEqual(rez.x, 1 / 0.22, places=5)
self.assertAlmostEqual(rez.y, 4.1 / 3.3, places=5)
self.assertAlmostEqual(rez.z, 5.5 / 2.6, places=5)
self.assertAlmostEqual(rez.w, 9.9 / 6.6, places=5)
def test_array(self):
p = SuperPoint(3.0, 4.0)
arr = Array(p)
arr.append(p)
arr.append(p)
p = SuperPoint(7.0, 9.0)
arr.append(p)
code = """
index = 2
temp = arr[index]
p1 = temp.x
temp.y = 12.34
"""
arg = ArrayArg('arr', arr)
arg1 = FloatArg('p1', 4.4)
shader = Shader(code=code, args=[arg, arg1])
shader.compile()
shader.prepare([Runtime()])
shader.execute()
val = shader.get_value('p1')
self.assertAlmostEqual(val, 7.0)
obj = arr[2]
self.assertAlmostEqual(obj.y, 12.34, 6)
def test_sampled_lum(self):
mgr = SampledManager()
shader = lum_sampled_shader(mgr)
shader.compile()
runtime = Runtime()
shader.prepare([runtime])
code = """
rez = lumminance(r1)
"""
vals = [(450, 0.13), (480, 0.45), (620, 0.58)]
samples = create_samples(vals, 32, 400, 700)
sam_spec = SampledSpectrum(samples)
s = SampledArg('r1', sam_spec)
rez = FloatArg('rez', 0.0)
shader2 = Shader(code=code, args=[rez, s])
shader2.compile([shader])
shader2.prepare([runtime])
shader2.execute()
val = shader2.get_value('rez')
lum = mgr.lumminance(sam_spec)
self.assertAlmostEqual(lum, val)
def sampled_to_vec_shader(col_mgr):
code = """
x = cie_x * spec
y = cie_y * spec
z = cie_z * spec
X = sum_samples(x) * scale
Y = sum_samples(y) * scale
Z = sum_samples(z) * scale
r = 3.240479 * X - 1.537150 * Y - 0.498535 * Z
g = -0.969256 * X + 1.875991 * Y + 0.041556 * Z
b = 0.055648 * X - 0.204043 * Y + 1.057311 * Z
return float3(r, g, b)
"""
spec = col_mgr.zero()
spec_arg = SampledArgPtr('spec', 0, spec)
scale = float(col_mgr.end - col_mgr.start) / (col_mgr.yint *
col_mgr.nsamples)
p1 = FloatArg('scale', scale)
cie_x = SampledArg('cie_x', col_mgr._cie_x)
cie_y = SampledArg('cie_y', col_mgr._cie_y)
cie_z = SampledArg('cie_z', col_mgr._cie_z)
shader = Shader(code=code,
args=[p1, cie_x, cie_y, cie_z],
name='spectrum_to_vec',
func_args=[spec_arg],
is_func=True)
return shader
def test_con(self):
code = """
a = 33
if a:
p1 = 22
b = 22
if b > 15:
p2 = 1.1
tmp = 4.4
tmp2 = 1.2
if tmp > tmp2:
p3 = 2.2
tmp = 5.5
if tmp2 < tmp:
p4 = 1.5
"""
p1 = IntArg('p1', 55)
p2 = FloatArg('p2', 4.4)
p3 = FloatArg('p3', 9.4)
p4 = FloatArg('p4', 2.4)
shader = Shader(code=code, args=[p1, p2, p3, p4])
shader.compile()
shader.prepare([Runtime()])
shader.execute()
p = shader.get_value('p1')
self.assertEqual(p, 22)
p = shader.get_value('p2')
self.assertAlmostEqual(p, 1.1)
p = shader.get_value('p3')
self.assertAlmostEqual(p, 2.2)
p = shader.get_value('p4')
self.assertAlmostEqual(p, 1.5)
def test_struct(self):
code = """
a1 = MyPoint()
tmp = 66
a1.x = tmp
p1 = a1.x
tmp = 4.4
a1.y = tmp
p2 = a1.y
tmp = (6, 7)
a1.k = tmp
p3 = a1.k
tmp = (3, 4, 6)
a1.m = tmp
p4 = a1.m
tmp = (2, 4, 6, 7)
a1.p = tmp
p5 = a1.p
"""
#p1 = IntArg('p1', 44) #TODO implicit conversion int to float
p1 = IntArg('p1', 44)
p2 = FloatArg('p2', 2.2)
p3 = Vec2Arg('p3', Vector2(5.5, 7.7))
p4 = Vec3Arg('p4', Vector3(2.2, 2.2, 4.4))
p5 = Vec4Arg('p5', Vector4(8.8, 5.5, 3.3, 1.1))
shader = Shader(code=code, args=[p1, p2, p3, p4, p5])
shader.compile()
shader.prepare([Runtime()])
shader.execute()
v = shader.get_value('p1')
self.assertEqual(v, 66)
v = shader.get_value('p2')
self.assertAlmostEqual(v, 4.4, places=6)
v = shader.get_value('p3')
self.assertAlmostEqual(v.x, 6.0, places=6)
self.assertAlmostEqual(v.y, 7.0, places=6)
v = shader.get_value('p4')
self.assertAlmostEqual(v.x, 3.0, places=6)
self.assertAlmostEqual(v.y, 4.0, places=6)
self.assertAlmostEqual(v.z, 6.0, places=6)
v = shader.get_value('p5')
self.assertAlmostEqual(v.x, 2.0, places=6)
self.assertAlmostEqual(v.y, 4.0, places=6)
self.assertAlmostEqual(v.z, 6.0, places=6)
self.assertAlmostEqual(v.w, 7.0, places=6)
def test_dot_fun(self):
code = """
p3 = dot(p1, p2)
"""
v1 = Vector3(2.5, 1.8, 2.9)
v2 = Vector3(2.2, 1.1, 5.22)
p1 = Vec3Arg('p1', v1)
p2 = Vec3Arg('p2', v2)
p3 = FloatArg('p3', 2.2)
shader = Shader(code=code, args=[p1, p2, p3])
shader.compile()
shader.prepare([Runtime()])
shader.execute()
rez = v1.dot(v2)
p = shader.get_value('p3')
self.assertAlmostEqual(rez, p)
def test_rgb_lum(self):
shader = lum_rgb_shader()
shader.compile()
runtime = Runtime()
shader.prepare([runtime])
code = """
rez = lumminance(r1)
"""
s = RGBArg('r1', RGBSpectrum(0.2, 0.3, 0.4))
rez = FloatArg('rez', 0.0)
shader2 = Shader(code=code, args=[rez, s])
shader2.compile([shader])
shader2.prepare([runtime])
shader2.execute()
lum = 0.2 * 0.212671 + 0.3 * 0.715160 + 0.4 * 0.072169
val = shader2.get_value('rez')
self.assertAlmostEqual(lum, val)
def lum_sampled_shader(col_mgr):
code = """
y = cie_y * spec
y_sum = sum_samples(y)
return y_sum * scale
"""
spec = col_mgr.zero()
spec_arg = SampledArgPtr('spec', 0, spec)
scale = (col_mgr.end - col_mgr.start) / (col_mgr.yint * col_mgr.nsamples)
p1 = FloatArg('scale', scale)
cie_y = SampledArg('cie_y', col_mgr._cie_y)
shader = Shader(code=code,
args=[p1, cie_y],
name='lumminance',
func_args=[spec_arg],
is_func=True)
return shader
def test_assign(self):
code = """
k = 55
p1 = k
m = (4, 7)
p2 = m
h = (3.13, 8, 9)
p3 = h
t = (6.6, 2.2, 9, 1)
p4 = t
r = 3.3
p5 = r
"""
p1 = IntArg('p1', 33)
p2 = Vec2Arg('p2', Vector2(9, 22))
p3 = Vec3Arg('p3', Vector3(1, 4.4, 29))
p4 = Vec4Arg('p4', Vector4(2, 3, 1.1, 2))
p5 = FloatArg('p5', 87.33)
shader = Shader(code=code, args=[p1, p2, p3, p4, p5])
shader.compile()
shader.prepare([Runtime()])
shader.execute()
self.assertEqual(shader.get_value('p1'), 55)
v = shader.get_value('p2')
self.assertAlmostEqual(v.x, 4.0)
self.assertAlmostEqual(v.y, 7.0)
v = shader.get_value('p3')
self.assertAlmostEqual(v.x, 3.13, places=6)
self.assertAlmostEqual(v.y, 8.0)
self.assertAlmostEqual(v.z, 9.0)
v = shader.get_value('p4')
self.assertAlmostEqual(v.x, 6.6, places=6)
self.assertAlmostEqual(v.y, 2.2)
self.assertAlmostEqual(v.z, 9.0)
self.assertAlmostEqual(v.w, 1.0)
v = shader.get_value('p5')
self.assertAlmostEqual(v, 3.3)