def test_rgb_arithmetic(self):
code = """
tmp = p1 + p2
p3 = tmp
p4 = 2 * p3
p5 = p3 * 2.66
"""
p1 = RGBArg('p1', RGBSpectrum(0.36, 0.85, 0.14))
p2 = RGBArg('p2', RGBSpectrum(0.22, 0.11, 0.58))
p3 = RGBArg('p3', RGBSpectrum(0.0, 0.0, 0.0))
p4 = RGBArg('p4', RGBSpectrum(0.0, 0.0, 0.0))
p5 = RGBArg('p5', RGBSpectrum(0.0, 0.0, 0.0))
shader = Shader(code=code, args=[p1, p2, p3, p4, p5])
shader.compile()
shader.prepare([Runtime()])
shader.execute()
v = shader.get_value('p3')
self.assertAlmostEqual(v.r, 0.36 + 0.22)
self.assertAlmostEqual(v.g, 0.85 + 0.11)
self.assertAlmostEqual(v.b, 0.14 + 0.58)
v = shader.get_value('p4')
self.assertAlmostEqual(v.r, (0.36 + 0.22) * 2, places=6)
self.assertAlmostEqual(v.g, (0.85 + 0.11) * 2, places=6)
self.assertAlmostEqual(v.b, (0.14 + 0.58) * 2, places=6)
v = shader.get_value('p5')
self.assertAlmostEqual(v.r, (0.36 + 0.22) * 2.66, places=6)
self.assertAlmostEqual(v.g, (0.85 + 0.11) * 2.66, places=6)
self.assertAlmostEqual(v.b, (0.14 + 0.58) * 2.66, places=6)
def test_array(self):
p = SuperPoint(3.0, 4.0)
arr = ObjArray(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_array(self):
p = SuperPoint(3.0, 4.0)
arr = ObjArray(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_expr(self):
#TODO
code = """
"""
shader = Shader(code=code, args=[])
shader.compile()
shader.prepare([Runtime()])
shader.execute()
def test_expr(self):
#TODO
code = """
"""
shader = Shader(code=code, args=[])
shader.compile()
shader.prepare([Runtime()])
shader.execute()
def test_rgb_spectrum(self):
code = """
spec = Spectrum(0.23)
"""
spec = RGBArg('spec', RGBSpectrum(0.2, 0.3, 0.4))
shader = Shader(code=code, args=[spec])
shader.compile()
runtime = Runtime()
shader.prepare([runtime])
shader.execute()
val = shader.get_value('spec')
self.assertAlmostEqual(val.r, 0.23)
self.assertAlmostEqual(val.g, 0.23)
self.assertAlmostEqual(val.b, 0.23)
def test_exp(self):
code = """
val = 4.4
t1 = exp(val)
val = (4.6, 1.6, 2.9)
t2 = exp(val)
"""
t1 = FloatArg('t1', 0.0)
t2 = Vec3Arg('t2', Vector3(1, 4.4, 29))
shader = Shader(code=code, args=[t1, t2])
shader.compile()
shader.prepare([Runtime()])
shader.execute()
v = shader.get_value('t1')
self.assertAlmostEqual(v, exp(4.4), places=2)
v = shader.get_value('t2')
self.assertAlmostEqual(v.x, exp(4.6), places=2)
self.assertAlmostEqual(v.y, exp(1.6), places=3)
self.assertAlmostEqual(v.z, exp(2.9), places=3)
def test_log(self):
code = """
val = 4.4
t1 = log(val)
val = (4.6, 6.6, 9.9)
t2 = log(val)
"""
t1 = FloatArg('t1', 0.0)
t2 = Vec3Arg('t2', Vector3(1, 4.4, 29))
shader = Shader(code=code, args=[t1, t2])
shader.compile()
shader.prepare([Runtime()])
shader.execute()
v = shader.get_value('t1')
self.assertAlmostEqual(v, log(4.4), places=5)
v = shader.get_value('t2')
self.assertAlmostEqual(v.x, log(4.6), places=4)
self.assertAlmostEqual(v.y, log(6.6), places=4)
self.assertAlmostEqual(v.z, log(9.9), places=4)
def test_acos(self):
code = """
val = 0.5
t1 = acos(val)
val = (0.6, 0.3, -0.3)
t2 = acos(val)
"""
t1 = FloatArg('t1', 0.0)
t2 = Vec3Arg('t2', Vector3(1, 4.4, 29))
shader = Shader(code=code, args=[t1, t2])
shader.compile()
shader.prepare([Runtime()])
shader.execute()
v = shader.get_value('t1')
self.assertAlmostEqual(v, acos(0.5), places=2)
v = shader.get_value('t2')
self.assertAlmostEqual(v.x, acos(0.6), places=2)
self.assertAlmostEqual(v.y, acos(0.3), places=3)
self.assertAlmostEqual(v.z, acos(-0.3), places=3)
def test_float2(self):
code = """
temp = 5
temp2 = 9.9
p1 = float2(temp, temp2)
p2 = float2(2, 3.3)
"""
p1 = Vec2Arg('p1', Vector2(0.0, 1.0))
p2 = Vec2Arg('p2', Vector2(0.0, 1.0))
shader = Shader(code=code, args=[p1, p2])
shader.compile()
shader.prepare([Runtime()])
shader.execute()
p = shader.get_value('p1')
self.assertAlmostEqual(p.x, 5.0)
self.assertAlmostEqual(p.y, 9.9, places=6)
p = shader.get_value('p2')
self.assertAlmostEqual(p.x, 2.0)
self.assertAlmostEqual(p.y, 3.3)
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_float4(self):
code = """
temp = 5
temp2 = 9.9
p1 = float4(temp, temp2, 2, 5.5)
"""
p1 = Vec4Arg('p1', Vector4(0.0, 1.0, 0.0, 0.0))
shader = Shader(code=code, args=[p1])
shader.compile()
shader.prepare([Runtime()])
shader.execute()
p = shader.get_value('p1')
self.assertAlmostEqual(p.x, 5.0)
self.assertAlmostEqual(p.y, 9.9, places=6)
self.assertAlmostEqual(p.z, 2.0)
self.assertAlmostEqual(p.w, 5.5)
def test_atanr2(self):
code = """
val1 = 1.4
val2 = 1.2
t1 = atanr2(val1, val2)
val1 = (1.6, 1.3, 2.2)
val2 = (1.1, 1.2, 1.3)
t2 = atanr2(val1, val2)
"""
t1 = FloatArg('t1', 0.0)
t2 = Vec3Arg('t2', Vector3(1, 4.4, 29))
shader = Shader(code=code, args=[t1, t2])
shader.compile()
shader.prepare([Runtime()])
shader.execute()
v = shader.get_value('t1')
self.assertAlmostEqual(v, atan2(1.4, 1.0 / 1.2), places=3)
v = shader.get_value('t2')
self.assertAlmostEqual(v.x, atan2(1.6, 1.0 / 1.1), places=3)
self.assertAlmostEqual(v.y, atan2(1.3, 1.0 / 1.2), places=3)
self.assertAlmostEqual(v.z, atan2(2.2, 1.0 / 1.3), places=3)
def test_rgb_spectrum(self):
code = """
spec = Spectrum(0.23)
"""
spec = RGBArg('spec', RGBSpectrum(0.2, 0.3, 0.4))
shader = Shader(code=code, args=[spec])
shader.compile()
runtime = Runtime()
shader.prepare([runtime])
shader.execute()
val = shader.get_value('spec')
self.assertAlmostEqual(val.r, 0.23)
self.assertAlmostEqual(val.g, 0.23)
self.assertAlmostEqual(val.b, 0.23)
def test_assign_rgb_spectrum(self):
code = """
p2 = p1
"""
p1 = RGBArg('p1', RGBSpectrum(0.36, 0.85, 0.14))
p2 = RGBArg('p2', RGBSpectrum(0.0, 0.0, 0.0))
shader = Shader(code=code, args=[p1, p2])
shader.compile()
shader.prepare([Runtime()])
shader.execute()
v = shader.get_value('p2')
self.assertAlmostEqual(v.r, 0.36)
self.assertAlmostEqual(v.g, 0.85)
self.assertAlmostEqual(v.b, 0.14)
def test_get_rgba(self):
code = """
v1 = get_rgba(image1, 10, 10)
"""
image = ImageRGBA(200, 200)
image.set_pixel(10, 10, 25, 77, 142, 185)
p1 = StructArg('image1', image)
p2 = Vec4Arg('v1', Vector4(0.0, 0.0, 0.0, 0.0))
shader = Shader(code=code, args=[p1, p2])
shader.compile()
shader.prepare([Runtime()])
shader.execute()
val = shader.get_value('v1')
self.assertAlmostEqual(val.x, 25 * 0.0039, places=6)
self.assertAlmostEqual(val.y, 77 * 0.0039)
self.assertAlmostEqual(val.z, 142 * 0.0039)
self.assertAlmostEqual(val.w, 185 * 0.0039)
def test_get_prgba(self):
code = """
v1 = get_rgba(image1, 10, 10)
"""
image = ImagePRGBA(200, 200)
image.set_pixel(10, 10, 0.23, 0.28, 0.55, 0.8)
p1 = StructArg('image1', image)
p2 = Vec4Arg('v1', Vector4(0.0, 0.0, 0.0, 0.0))
shader = Shader(code=code, args=[p1, p2])
shader.compile()
shader.prepare([Runtime()])
shader.execute()
val = shader.get_value('v1')
self.assertAlmostEqual(val.x, 0.23)
self.assertAlmostEqual(val.y, 0.28)
self.assertAlmostEqual(val.z, 0.55)
self.assertAlmostEqual(val.w, 0.8)
def test_sampled_spectrum(self):
code = """
spec = Spectrum(0.23)
"""
vals = [(450, 0.13), (480, 0.45), (620, 0.58)]
samples = create_samples(vals, 32, 400, 700)
sam_spec = SampledSpectrum(samples)
spec = SampledArg('spec', sam_spec)
shader = Shader(code=code, args=[spec])
shader.compile(color_mgr=SampledManager())
runtime = Runtime()
shader.prepare([runtime])
shader.execute()
val = shader.get_value('spec')
for i in range(len(val.samples)):
self.assertAlmostEqual(val.samples[i], 0.23)
def test_acos(self):
code = """
val = 0.5
t1 = acos(val)
val = (0.6, 0.3, -0.3)
t2 = acos(val)
"""
t1 = FloatArg('t1', 0.0)
t2 = Vec3Arg('t2', Vector3(1, 4.4, 29))
shader = Shader(code=code, args=[t1, t2])
shader.compile()
shader.prepare([Runtime()])
shader.execute()
v = shader.get_value('t1')
self.assertAlmostEqual(v, acos(0.5), places=2)
v = shader.get_value('t2')
self.assertAlmostEqual(v.x, acos(0.6), places=2)
self.assertAlmostEqual(v.y, acos(0.3), places=3)
self.assertAlmostEqual(v.z, acos(-0.3), places=3)
def test_exp(self):
code = """
val = 4.4
t1 = exp(val)
val = (4.6, 1.6, 2.9)
t2 = exp(val)
"""
t1 = FloatArg('t1', 0.0)
t2 = Vec3Arg('t2', Vector3(1, 4.4, 29))
shader = Shader(code=code, args=[t1, t2])
shader.compile()
shader.prepare([Runtime()])
shader.execute()
v = shader.get_value('t1')
self.assertAlmostEqual(v, exp(4.4), places=2)
v = shader.get_value('t2')
self.assertAlmostEqual(v.x, exp(4.6), places=2)
self.assertAlmostEqual(v.y, exp(1.6), places=3)
self.assertAlmostEqual(v.z, exp(2.9), places=3)
def test_log(self):
code = """
val = 4.4
t1 = log(val)
val = (4.6, 6.6, 9.9)
t2 = log(val)
"""
t1 = FloatArg('t1', 0.0)
t2 = Vec3Arg('t2', Vector3(1, 4.4, 29))
shader = Shader(code=code, args=[t1, t2])
shader.compile()
shader.prepare([Runtime()])
shader.execute()
v = shader.get_value('t1')
self.assertAlmostEqual(v, log(4.4), places=5)
v = shader.get_value('t2')
self.assertAlmostEqual(v.x, log(4.6), places=4)
self.assertAlmostEqual(v.y, log(6.6), places=4)
self.assertAlmostEqual(v.z, log(9.9), places=4)
def test_set_prgba(self):
code = """
val = (0.67, 0.88, 0.11, 0.55)
v1 = set_rgba(image1, 10, 10, val)
"""
image = ImagePRGBA(200, 200)
p1 = StructArg('image1', image)
shader = Shader(code=code, args=[p1])
shader.compile()
shader.prepare([Runtime()])
shader.execute()
r, g, b, a = image.get_pixel(10, 10)
self.assertAlmostEqual(r, 0.67)
self.assertAlmostEqual(g, 0.88)
self.assertAlmostEqual(b, 0.11)
self.assertAlmostEqual(a, 0.55)
def test_float3(self):
code = """
temp = 5
temp2 = 9.9
p1 = float3(temp, temp2, 2)
tmp = 4.4
p2 = float3(tmp, 33, 2.1)
"""
p1 = Vec3Arg('p1', Vector3(0.0, 1.0, 0.0))
p2 = Vec3Arg('p2', Vector3(0.0, 1.0, 0.0))
shader = Shader(code=code, args=[p1, p2])
shader.compile()
shader.prepare([Runtime()])
shader.execute()
p = shader.get_value('p1')
self.assertAlmostEqual(p.x, 5.0)
self.assertAlmostEqual(p.y, 9.9, places=6)
self.assertAlmostEqual(p.z, 2.0)
p = shader.get_value('p2')
self.assertAlmostEqual(p.x, 4.4, places=6)
self.assertAlmostEqual(p.y, 33.0, places=6)
self.assertAlmostEqual(p.z, 2.1, places=6)
def test_normalize_fun(self):
code = """
p2 = normalize(p1)
"""
v1 = Vector3(2.5, 1.8, 2.9)
v2 = Vector3(6.5, 9.8, 3.9)
p1 = Vec3Arg('p1', v1)
p2 = Vec3Arg('p2', v2)
shader = Shader(code=code, args=[p1, p2])
shader.compile()
shader.prepare([Runtime()])
shader.execute()
v3 = Vector3(2.5, 1.8, 2.9)
v3.normalize()
p = shader.get_value('p2')
self.assertAlmostEqual(p.x, v3.x)
self.assertAlmostEqual(p.y, v3.y)
self.assertAlmostEqual(p.z, v3.z)
def test_float2(self):
code = """
temp = 5
temp2 = 9.9
p1 = float2(temp, temp2)
p2 = float2(2, 3.3)
"""
p1 = Vec2Arg('p1', Vector2(0.0, 1.0))
p2 = Vec2Arg('p2', Vector2(0.0, 1.0))
shader = Shader(code=code, args=[p1, p2])
shader.compile()
shader.prepare([Runtime()])
shader.execute()
p = shader.get_value('p1')
self.assertAlmostEqual(p.x, 5.0)
self.assertAlmostEqual(p.y, 9.9, places=6)
p = shader.get_value('p2')
self.assertAlmostEqual(p.x, 2.0)
self.assertAlmostEqual(p.y, 3.3)
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_float4(self):
code = """
temp = 5
temp2 = 9.9
p1 = float4(temp, temp2, 2, 5.5)
"""
p1 = Vec4Arg('p1', Vector4(0.0, 1.0, 0.0, 0.0))
shader = Shader(code=code, args=[p1])
shader.compile()
shader.prepare([Runtime()])
shader.execute()
p = shader.get_value('p1')
self.assertAlmostEqual(p.x, 5.0)
self.assertAlmostEqual(p.y, 9.9, places=6)
self.assertAlmostEqual(p.z, 2.0)
self.assertAlmostEqual(p.w, 5.5)
def test_atanr2(self):
code = """
val1 = 1.4
val2 = 1.2
t1 = atanr2(val1, val2)
val1 = (1.6, 1.3, 2.2)
val2 = (1.1, 1.2, 1.3)
t2 = atanr2(val1, val2)
"""
t1 = FloatArg('t1', 0.0)
t2 = Vec3Arg('t2', Vector3(1, 4.4, 29))
shader = Shader(code=code, args=[t1, t2])
shader.compile()
shader.prepare([Runtime()])
shader.execute()
v = shader.get_value('t1')
self.assertAlmostEqual(v, atan2(1.4, 1.0 / 1.2), places=3)
v = shader.get_value('t2')
self.assertAlmostEqual(v.x, atan2(1.6, 1.0 / 1.1), places=3)
self.assertAlmostEqual(v.y, atan2(1.3, 1.0 / 1.2), places=3)
self.assertAlmostEqual(v.z, atan2(2.2, 1.0 / 1.3), places=3)
def test_corss_fun(self):
code = """
p3 = cross(p1, p2)
"""
v1 = Vector3(2.5, 1.8, 2.9)
v2 = Vector3(2.5, 1.8, 3.9)
v3 = Vector3(0.0, 0.0, 0.0)
p1 = Vec3Arg('p1', v1)
p2 = Vec3Arg('p2', v2)
p3 = Vec3Arg('p3', v3)
shader = Shader(code=code, args=[p1, p2, p3])
shader.compile()
shader.prepare([Runtime()])
shader.execute()
v4 = v1.cross(v2)
p = shader.get_value('p3')
self.assertAlmostEqual(p.x, v4.x, places=6)
self.assertAlmostEqual(p.y, v4.y, places=6)
self.assertAlmostEqual(p.z, v4.z, places=6)
def test_get_prgba(self):
code = """
v1 = get_rgba(image1, 10, 10)
"""
image = ImagePRGBA(200, 200)
image.set_pixel(10, 10, 0.23, 0.28, 0.55, 0.8)
p1 = StructArg('image1', image)
p2 = Vec4Arg('v1', Vector4(0.0, 0.0, 0.0, 0.0))
shader = Shader(code=code, args=[p1, p2])
shader.compile()
shader.prepare([Runtime()])
shader.execute()
val = shader.get_value('v1')
self.assertAlmostEqual(val.x, 0.23)
self.assertAlmostEqual(val.y, 0.28)
self.assertAlmostEqual(val.z, 0.55)
self.assertAlmostEqual(val.w, 0.8)
def test_get_rgba(self):
code = """
v1 = get_rgba(image1, 10, 10)
"""
image = ImageRGBA(200, 200)
image.set_pixel(10, 10, 25, 77, 142, 185)
p1 = StructArg('image1', image)
p2 = Vec4Arg('v1', Vector4(0.0, 0.0, 0.0, 0.0))
shader = Shader(code=code, args=[p1, p2])
shader.compile()
shader.prepare([Runtime()])
shader.execute()
val = shader.get_value('v1')
self.assertAlmostEqual(val.x, 25 * 0.0039, places=6)
self.assertAlmostEqual(val.y, 77 * 0.0039)
self.assertAlmostEqual(val.z, 142 * 0.0039)
self.assertAlmostEqual(val.w, 185 * 0.0039)
def test_assign_sampled_spectrum(self):
code = """
p2 = p1
"""
vals = [(450, 0.33), (480, 0.45)]
samples = create_samples(vals, 32, 400, 700)
p1 = SampledArg('p1', SampledSpectrum(samples))
vals = [(430, 0.23), (480, 0.55), (600, 0.77)]
samples2 = create_samples(vals, 32, 400, 700)
p2 = SampledArg('p2', SampledSpectrum(samples2))
shader = Shader(code=code, args=[p1, p2])
shader.compile(color_mgr=SampledManager())
shader.prepare([Runtime()])
shader.execute()
v = shader.get_value('p2')
for val1, val2 in zip(samples, v.samples):
self.assertAlmostEqual(val1, val2)
def test_sampled_spectrum(self):
code = """
spec = Spectrum(0.23)
"""
vals = [(450, 0.13), (480, 0.45), (620, 0.58)]
samples = create_samples(vals, 32, 400, 700)
sam_spec = SampledSpectrum(samples)
spec = SampledArg('spec', sam_spec)
shader = Shader(code=code, args=[spec])
shader.compile(color_mgr=SampledManager())
runtime = Runtime()
shader.prepare([runtime])
shader.execute()
val = shader.get_value('spec')
for i in range(len(val.samples)):
self.assertAlmostEqual(val.samples[i], 0.23)
def test_float3(self):
code = """
temp = 5
temp2 = 9.9
p1 = float3(temp, temp2, 2)
tmp = 4.4
p2 = float3(tmp, 33, 2.1)
"""
p1 = Vec3Arg('p1', Vector3(0.0, 1.0, 0.0))
p2 = Vec3Arg('p2', Vector3(0.0, 1.0, 0.0))
shader = Shader(code=code, args=[p1, p2])
shader.compile()
shader.prepare([Runtime()])
shader.execute()
p = shader.get_value('p1')
self.assertAlmostEqual(p.x, 5.0)
self.assertAlmostEqual(p.y, 9.9, places=6)
self.assertAlmostEqual(p.z, 2.0)
p = shader.get_value('p2')
self.assertAlmostEqual(p.x, 4.4, places=6)
self.assertAlmostEqual(p.y, 33.0, places=6)
self.assertAlmostEqual(p.z, 2.1, places=6)
def test_set_prgba(self):
code = """
val = (0.67, 0.88, 0.11, 0.55)
v1 = set_rgba(image1, 10, 10, val)
"""
image = ImagePRGBA(200, 200)
p1 = StructArg('image1', image)
shader = Shader(code=code, args=[p1])
shader.compile()
shader.prepare([Runtime()])
shader.execute()
r, g, b, a = image.get_pixel(10, 10)
self.assertAlmostEqual(r, 0.67)
self.assertAlmostEqual(g, 0.88)
self.assertAlmostEqual(b, 0.11)
self.assertAlmostEqual(a, 0.55)
def test_normalize_fun(self):
code = """
p2 = normalize(p1)
"""
v1 = Vector3(2.5, 1.8, 2.9)
v2 = Vector3(6.5, 9.8, 3.9)
p1 = Vec3Arg('p1', v1)
p2 = Vec3Arg('p2', v2)
shader = Shader(code=code, args=[p1, p2])
shader.compile()
shader.prepare([Runtime()])
shader.execute()
v3 = Vector3(2.5, 1.8, 2.9)
v3.normalize()
p = shader.get_value('p2')
self.assertAlmostEqual(p.x, v3.x)
self.assertAlmostEqual(p.y, v3.y)
self.assertAlmostEqual(p.z, v3.z)
def test_corss_fun(self):
code = """
p3 = cross(p1, p2)
"""
v1 = Vector3(2.5, 1.8, 2.9)
v2 = Vector3(2.5, 1.8, 3.9)
v3 = Vector3(0.0, 0.0, 0.0)
p1 = Vec3Arg('p1', v1)
p2 = Vec3Arg('p2', v2)
p3 = Vec3Arg('p3', v3)
shader = Shader(code=code, args=[p1, p2, p3])
shader.compile()
shader.prepare([Runtime()])
shader.execute()
v4 = v1.cross(v2)
p = shader.get_value('p3')
self.assertAlmostEqual(p.x, v4.x, places=6)
self.assertAlmostEqual(p.y, v4.y, places=6)
self.assertAlmostEqual(p.z, v4.z, places=6)
def test_sampled_arithmetic(self):
code = """
tmp = p2 + p1
p3 = tmp
p4 = p1 * 0.3
p5 = 0.22 * p2
p6 = p1 * 8
p7 = 5 * p2
"""
vals = [(450, 0.33), (480, 0.45)]
samples = create_samples(vals, 32, 400, 700)
p1 = SampledArg('p1', SampledSpectrum(samples))
vals = [(430, 0.23), (480, 0.55), (600, 0.77)]
samples2 = create_samples(vals, 32, 400, 700)
p2 = SampledArg('p2', SampledSpectrum(samples2))
vals = [(430, 0.1), (480, 0.1), (600, 0.1)]
samples3 = create_samples(vals, 32, 400, 700)
p3 = SampledArg('p3', SampledSpectrum(samples3))
vals = [(430, 0.1), (480, 0.1), (600, 0.1)]
samples4 = create_samples(vals, 32, 400, 700)
p4 = SampledArg('p4', SampledSpectrum(samples4))
vals = [(430, 0.1), (480, 0.1), (600, 0.1)]
samples5 = create_samples(vals, 32, 400, 700)
p5 = SampledArg('p5', SampledSpectrum(samples5))
vals = [(430, 0.1), (480, 0.1), (600, 0.1)]
samples6 = create_samples(vals, 32, 400, 700)
p6 = SampledArg('p6', SampledSpectrum(samples6))
vals = [(430, 0.1), (480, 0.1), (600, 0.1)]
samples7 = create_samples(vals, 32, 400, 700)
p7 = SampledArg('p7', SampledSpectrum(samples7))
shader = Shader(code=code, args=[p1, p2, p3, p4, p5, p6, p7])
shader.compile(color_mgr=SampledManager())
shader.prepare([Runtime()])
shader.execute()
v = shader.get_value('p3')
for i in range(32):
val = samples[i] + samples2[i]
self.assertAlmostEqual(v.samples[i], val, places=6)
v = shader.get_value('p4')
for i in range(32):
self.assertAlmostEqual(v.samples[i], samples[i] * 0.3)
v = shader.get_value('p5')
for i in range(32):
self.assertAlmostEqual(v.samples[i], samples2[i] * 0.22)
v = shader.get_value('p6')
for i in range(32):
self.assertAlmostEqual(v.samples[i], samples[i] * 8, places=6)
v = shader.get_value('p7')
for i in range(32):
self.assertAlmostEqual(v.samples[i], samples2[i] * 5, places=6)
import unittest
from tdasm import Runtime
from sdl.vector import Vector2, Vector3, Vector4
from sdl.shader import Shader
from sdl.args import IntArg, FloatArg, Vec2Arg, Vec3Arg, Vec4Arg
code = """
p1 = rand_int()
p2 = random()
p3 = random2()
p4 = random3()
p5 = random4()
"""
p1 = IntArg("p1", 333)
p2 = FloatArg("p2", 333.0)
p3 = Vec2Arg("p3", Vector2(0.0, 0.0))
p4 = Vec3Arg("p4", Vector3(0.0, 0.0, 0.0))
p5 = Vec4Arg("p5", Vector4(0.0, 0.0, 0.0, 0.0))
shader = Shader(code=code, args=[p1, p2, p3, p4, p5])
shader.compile()
shader.prepare([Runtime()])
shader.execute()
print(shader.get_value("p1"))
print(shader.get_value("p2"))
print(shader.get_value("p3"))
print(shader.get_value("p4"))
print(shader.get_value("p5"))
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_rgb_arithmetic(self):
code = """
tmp = p1 + p2
p3 = tmp
p4 = 2 * p3
p5 = p3 * 2.66
"""
p1 = RGBArg('p1', RGBSpectrum(0.36, 0.85, 0.14))
p2 = RGBArg('p2', RGBSpectrum(0.22, 0.11, 0.58))
p3 = RGBArg('p3', RGBSpectrum(0.0, 0.0, 0.0))
p4 = RGBArg('p4', RGBSpectrum(0.0, 0.0, 0.0))
p5 = RGBArg('p5', RGBSpectrum(0.0, 0.0, 0.0))
shader = Shader(code=code, args=[p1, p2, p3, p4, p5])
shader.compile()
shader.prepare([Runtime()])
shader.execute()
v = shader.get_value('p3')
self.assertAlmostEqual(v.r, 0.36 + 0.22)
self.assertAlmostEqual(v.g, 0.85 + 0.11)
self.assertAlmostEqual(v.b, 0.14 + 0.58)
v = shader.get_value('p4')
self.assertAlmostEqual(v.r, (0.36 + 0.22) * 2, places=6)
self.assertAlmostEqual(v.g, (0.85 + 0.11) * 2, places=6)
self.assertAlmostEqual(v.b, (0.14 + 0.58) * 2, places=6)
v = shader.get_value('p5')
self.assertAlmostEqual(v.r, (0.36 + 0.22) * 2.66, places=6)
self.assertAlmostEqual(v.g, (0.85 + 0.11) * 2.66, places=6)
self.assertAlmostEqual(v.b, (0.14 + 0.58) * 2.66, places=6)
def test_sampled_arithmetic(self):
code = """
tmp = p2 + p1
p3 = tmp
p4 = p1 * 0.3
p5 = 0.22 * p2
p6 = p1 * 8
p7 = 5 * p2
"""
vals = [(450, 0.33), (480, 0.45)]
samples = create_samples(vals, 32, 400, 700)
p1 = SampledArg('p1', SampledSpectrum(samples))
vals = [(430, 0.23), (480, 0.55), (600, 0.77)]
samples2 = create_samples(vals, 32, 400, 700)
p2 = SampledArg('p2', SampledSpectrum(samples2))
vals = [(430, 0.1), (480, 0.1), (600, 0.1)]
samples3 = create_samples(vals, 32, 400, 700)
p3 = SampledArg('p3', SampledSpectrum(samples3))
vals = [(430, 0.1), (480, 0.1), (600, 0.1)]
samples4 = create_samples(vals, 32, 400, 700)
p4 = SampledArg('p4', SampledSpectrum(samples4))
vals = [(430, 0.1), (480, 0.1), (600, 0.1)]
samples5 = create_samples(vals, 32, 400, 700)
p5 = SampledArg('p5', SampledSpectrum(samples5))
vals = [(430, 0.1), (480, 0.1), (600, 0.1)]
samples6 = create_samples(vals, 32, 400, 700)
p6 = SampledArg('p6', SampledSpectrum(samples6))
vals = [(430, 0.1), (480, 0.1), (600, 0.1)]
samples7 = create_samples(vals, 32, 400, 700)
p7 = SampledArg('p7', SampledSpectrum(samples7))
shader = Shader(code=code, args=[p1, p2, p3, p4, p5, p6, p7])
shader.compile(color_mgr=SampledManager())
shader.prepare([Runtime()])
shader.execute()
v = shader.get_value('p3')
for i in range(32):
val = samples[i] + samples2[i]
self.assertAlmostEqual(v.samples[i], val, places=6)
v = shader.get_value('p4')
for i in range(32):
self.assertAlmostEqual(v.samples[i], samples[i] * 0.3)
v = shader.get_value('p5')
for i in range(32):
self.assertAlmostEqual(v.samples[i], samples2[i] * 0.22)
v = shader.get_value('p6')
for i in range(32):
self.assertAlmostEqual(v.samples[i], samples[i] * 8, places=6)
v = shader.get_value('p7')
for i in range(32):
self.assertAlmostEqual(v.samples[i], samples2[i] * 5, places=6)
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_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_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_int(self):
code = """
temp = 5.6
p1 = int(temp)
p2 = int(8.8)
p3 = int()
p4 = int(11)
"""
p1 = IntArg('p1', 333)
p2 = IntArg('p2', 555)
p3 = IntArg('p3', 555)
p4 = IntArg('p4', 555)
shader = Shader(code=code, args=[p1, p2, p3, p4])
shader.compile()
shader.prepare([Runtime()])
shader.execute()
p = shader.get_value('p1')
self.assertEqual(p, 5)
p = shader.get_value('p2')
self.assertEqual(p, 8)
p = shader.get_value('p3')
self.assertEqual(p, 0)
p = shader.get_value('p4')
self.assertEqual(p, 11)
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_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_abs_fun(self):
code = """
p1 = abs(-41)
p2 = abs(-3.66)
p3 = abs((-2.5, 3.6, -1.2))
"""
p1 = IntArg('p1', 0)
p2 = FloatArg('p2', 0.0)
p3 = Vec3Arg('p3', Vector3(0.0, 0.0, 0.0))
shader = Shader(code=code, args=[p1, p2, p3])
shader.compile()
shader.prepare([Runtime()])
shader.execute()
p = shader.get_value('p1')
self.assertEqual(shader.get_value('p1'), 41)
self.assertAlmostEqual(shader.get_value('p2'), 3.66, places=6)
v =shader.get_value('p3')
self.assertAlmostEqual(v.x, 2.5, places=6)
self.assertAlmostEqual(v.y, 3.6, places=6)
self.assertAlmostEqual(v.z, 1.2, places=6)
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_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_int(self):
code = """
temp = 5.6
p1 = int(temp)
p2 = int(8.8)
p3 = int()
p4 = int(11)
"""
p1 = IntArg('p1', 333)
p2 = IntArg('p2', 555)
p3 = IntArg('p3', 555)
p4 = IntArg('p4', 555)
shader = Shader(code=code, args=[p1, p2, p3, p4])
shader.compile()
shader.prepare([Runtime()])
shader.execute()
p = shader.get_value('p1')
self.assertEqual(p, 5)
p = shader.get_value('p2')
self.assertEqual(p, 8)
p = shader.get_value('p3')
self.assertEqual(p, 0)
p = shader.get_value('p4')
self.assertEqual(p, 11)
def test_abs_fun(self):
code = """
p1 = abs(-41)
p2 = abs(-3.66)
p3 = abs((-2.5, 3.6, -1.2))
"""
p1 = IntArg('p1', 0)
p2 = FloatArg('p2', 0.0)
p3 = Vec3Arg('p3', Vector3(0.0, 0.0, 0.0))
shader = Shader(code=code, args=[p1, p2, p3])
shader.compile()
shader.prepare([Runtime()])
shader.execute()
p = shader.get_value('p1')
self.assertEqual(shader.get_value('p1'), 41)
self.assertAlmostEqual(shader.get_value('p2'), 3.66, places=6)
v = shader.get_value('p3')
self.assertAlmostEqual(v.x, 2.5, places=6)
self.assertAlmostEqual(v.y, 3.6, places=6)
self.assertAlmostEqual(v.z, 1.2, places=6)
import unittest
from tdasm import Runtime
from sdl.vector import Vector2, Vector3, Vector4
from sdl.shader import Shader
from sdl.args import IntArg, FloatArg, Vec2Arg, Vec3Arg, Vec4Arg
code = """
p1 = rand_int()
p2 = random()
p3 = random2()
p4 = random3()
p5 = random4()
"""
p1 = IntArg('p1', 333)
p2 = FloatArg('p2', 333.0)
p3 = Vec2Arg('p3', Vector2(0.0, 0.0))
p4 = Vec3Arg('p4', Vector3(0.0, 0.0, 0.0))
p5 = Vec4Arg('p5', Vector4(0.0, 0.0, 0.0, 0.0))
shader = Shader(code=code, args=[p1, p2, p3, p4, p5])
shader.compile()
shader.prepare([Runtime()])
shader.execute()
print(shader.get_value('p1'))
print(shader.get_value('p2'))
print(shader.get_value('p3'))
print(shader.get_value('p4'))
print(shader.get_value('p5'))
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)
