def test_detection_type_bools(self):
glsl = """
#version 450
#extension GL_ARB_separate_shader_objects : enable
layout({layout}, binding = 0) buffer Buffer {{
bool var1;
bool[720][1280] var2;
bvec2 var3;
bvec3 var4;
bvec4 var5;
bvec3[5] var6;
}};
void main() {{}}
"""
for layout in (Layout.STD140, Layout.STD430):
# the vulkan spir-v compiler turns bools into uints
expected_definition = Struct([
Scalar.uint(),
Array(Scalar.uint(), (720, 1280), layout),
Vector.uvec2(),
Vector.uvec3(),
Vector.uvec4(),
Array(Vector.uvec3(), 5, layout)
], layout)
shader = self.shader_from_txt(glsl.format(layout=layout), verbose=False)
shader.inspect()
detected_definition, _ = shader.code.get_block(0)
equal = expected_definition.compare(detected_definition, quiet=True)
self.assertTrue(equal)
def test_arb_example_std140(self):
layout = Layout.STD430
struct_a = Struct(
[
Scalar.int(),
Vector.uvec2() # actually bvec2
],
layout,
type_name="structA")
struct_b = Struct([
Vector.uvec3(),
Vector.vec2(),
Array(Scalar.float(), 2, layout),
Vector.vec2(),
Array(Matrix(3, 3, DataType.FLOAT, layout), 2, layout)
],
layout,
type_name="structB")
container = Struct([
Scalar.float(),
Vector.vec2(),
Vector.vec3(), struct_a,
Scalar.float(),
Array(Scalar.float(), 2, layout),
Matrix(2, 3, DataType.FLOAT, layout),
Array(struct_b, 2, layout)
], layout)
self.run_test(container, [struct_a, struct_b],
BufferUsage.STORAGE_BUFFER)
def test_manual(self):
buffer_usage = BufferUsage.STORAGE_BUFFER
buffer_layout = Layout.STD140
buffer_order = Order.ROW_MAJOR
structA = Struct([Vector.ivec2(), Scalar.double()],
buffer_layout,
member_names=["a", "b"],
type_name="structA")
structB = Struct([Scalar.uint(), Scalar.double()],
buffer_layout,
type_name="structB")
structC = Struct([structB, Vector.ivec2()],
buffer_layout,
type_name="structC")
structs = [structA, structB, structC]
variables = [
Vector.vec3(),
Vector.ivec4(),
Array(structC, 2, buffer_layout),
Vector.ivec4(),
Scalar.uint(),
Array(Scalar.double(), (5, 2), buffer_layout),
Scalar.int(),
Array(Vector.vec4(), (2, 3, 4), buffer_layout),
Vector.dvec2(), structA
]
container = Struct(variables, buffer_layout, type_name="block")
print(container)
glsl = self.build_glsl_program(container, structs, buffer_usage)
# print(glsl)
values, array_expected = self.build_values(container.definitions)
array_expected = np.array(array_expected, dtype=np.float32)
bytez_input = container.to_bytes(values)
bytez_output = self.run_program(glsl,
bytez_input,
array_expected.nbytes,
usage_input=buffer_usage)
array = np.frombuffer(bytez_output, dtype=array_expected.dtype)
print(array_expected)
print(array)
print("equal", ((array_expected - array) == 0).all())
def test_detection_type_arrays(self):
rng = np.random.RandomState(321)
variables = [
Scalar.uint(),
Scalar.int(),
Scalar.float(),
Scalar.double()
]
variables += [
Vector(n, dtype)
for n, dtype in itertools.product(range(2, 5), DataType.ALL)
]
for definition, layout, _ in itertools.product(
variables, [Layout.STD140, Layout.STD430], range(3)):
container = Struct(
[Array(definition, Random.shape(rng, 3, 5), layout)], layout)
glsl = self.build_glsl_program(
((container, 0, BufferUsage.STORAGE_BUFFER), ))
shader = self.shader_from_txt(glsl, verbose=False)
shader.inspect()
detected_definition, _ = shader.get_block(0)
self.assertTrue(container.compare(detected_definition, quiet=True))
if isinstance(definition, Vector):
if definition.length(
) < 3 and definition.dtype != DataType.DOUBLE:
self.assertEqual(detected_definition.layout, layout)
def test_nested_with_arrays_of_structs(self):
rng = np.random.RandomState(123)
simple = [Scalar.uint(), Scalar.int(), Scalar.float(), Scalar.double()]
simple += [
Vector(n, dtype)
for n, dtype in itertools.product(range(2, 5), DataType.ALL)
]
for layout, _ in itertools.product([Layout.STD140, Layout.STD430],
range(10)):
matrices = [
Matrix(n, m, dtype, layout)
for n, m, dtype in itertools.product(range(2, 5), range(
2, 5), [DataType.FLOAT, DataType.DOUBLE])
]
simple_and_matrices = simple + matrices
struct = Struct(rng.choice(simple_and_matrices,
size=4,
replace=False),
layout,
type_name="SomeStruct")
structs = [struct]
arrays = [Array(struct, Random.shape(rng, 2, 3), layout)]
for _ in range(2):
members = [arrays[-1]] + rng.choice(
simple_and_matrices, size=3, replace=False).tolist()
structs.append(
Struct(rng.permutation(members),
layout,
type_name="SomeStruct{}".format(len(structs))))
arrays.append(
Array(structs[-1], Random.shape(rng, 2, 3), layout))
container = structs[-1]
structs = structs[:-1]
self.run_test(container, structs, BufferUsage.STORAGE_BUFFER)
if layout == Layout.STD140:
self.run_test(container, structs, BufferUsage.UNIFORM_BUFFER)
def test_manually(self):
# byte cache test
buffer_usage = BufferUsage.STORAGE_BUFFER
buffer_layout = Layout.STD430
buffer_order = Order.ROW_MAJOR
struct1 = Struct([Vector.vec3(), Vector.ivec2()],
buffer_layout,
member_names=["a", "b"],
type_name="structB")
struct2 = Struct(
[Scalar.double(), Scalar.double(), struct1],
buffer_layout,
type_name="structC")
structs = [struct1, struct2]
variables = [
Scalar.uint(),
Array(Vector.vec2(), (5, 2, 3), buffer_layout),
Array(Scalar.float(), 5, buffer_layout),
struct2, # this struct needs padding at the end
Scalar.uint(),
Array(struct1, (2, 3), buffer_layout)
]
container = Struct(variables, buffer_layout, type_name="block")
cache = ByteCache(container)
print("")
print("")
pprint.pprint(cache.values)
print(cache[-1][0][0]["a"])
print("")
print("")
pprint.pprint(cache)
print(cache[-1][0][0])
print("")
print("")
pprint.pprint(cache.get_as_dict())
def test_array_of_matrices(self):
# skipping ROW_MAJOR order for now since the glsl generation does not support it
rng = np.random.RandomState(123)
matrix_combinations = itertools.product(range(2, 5), range(
2, 5), [DataType.FLOAT, DataType.DOUBLE])
for (n, m, dtype), layout, _ in itertools.product(
matrix_combinations, [Layout.STD140, Layout.STD430], range(3)):
matrix = Matrix(n, m, dtype, layout)
container = Struct(
[Array(matrix, Random.shape(rng, 3, 5), layout)], layout)
self.run_test(container, [], BufferUsage.STORAGE_BUFFER)
def test_copy(self):
data = np.arange(128, dtype=np.float32)
definition = Struct([Array(ScalarFloat(), len(data), Layout.STD140)], Layout.STD140)
buffer_a = lv.BufferCPU(self.session, definition, lv.BufferCPU.USAGE_STORAGE)
buffer_b = lv.BufferCPU(self.session, definition, lv.BufferCPU.USAGE_STORAGE)
buffer_a[0] = data
buffer_a.flush()
buffer_a.copy_to(buffer_b)
buffer_b.fetch()
self.assertTrue((buffer_a[0] == buffer_b[0]).all())
def test_detection_type_arrays_of_matrices(self):
rng = np.random.RandomState(321)
matrix_attributes = itertools.product(range(2, 5), range(2, 5), [DataType.FLOAT, DataType.DOUBLE])
for (n, m, dtype), layout, _ in itertools.product(matrix_attributes, [Layout.STD140, Layout.STD430], range(3)):
matrix = Matrix(n, m, dtype, layout)
container = Struct([Array(matrix, Random.shape(rng, 3, 5), layout)], layout)
glsl = self.build_glsl_program(((container, 0, BufferUsage.STORAGE_BUFFER),))
shader = self.shader_from_txt(glsl, verbose=False)
shader.inspect()
detected_definition, _ = shader.code.get_block(0)
self.assertTrue(container.compare(detected_definition, quiet=True))
def test_array_of_vectors(self):
rng = np.random.RandomState(123)
vector_types = [
Vector(n, dtype)
for n, dtype in itertools.product(range(2, 5), DataType.ALL)
]
for definition, layout, _ in itertools.product(
vector_types, [Layout.STD140, Layout.STD430], range(5)):
container = Struct(
[Array(definition, Random.shape(rng, 3, 5), layout)], layout)
self.run_test(container, [], BufferUsage.STORAGE_BUFFER)
if layout == Layout.STD140:
self.run_test(container, [], BufferUsage.UNIFORM_BUFFER)
def test_array_of_scalars(self):
rng = np.random.RandomState(123)
scalar_types = [
Scalar.uint(),
Scalar.int(),
Scalar.float(),
Scalar.double()
]
for definition, layout, _ in itertools.product(
scalar_types, [Layout.STD140, Layout.STD430], range(5)):
container = Struct(
[Array(definition, Random.shape(rng, 5, 7), layout)], layout)
self.run_test(container, [], BufferUsage.STORAGE_BUFFER)
if layout == Layout.STD140:
self.run_test(container, [], BufferUsage.UNIFORM_BUFFER)
def test_array_of_structs(self):
rng = np.random.RandomState(123)
simple = [Scalar.uint(), Scalar.int(), Scalar.float(), Scalar.double()]
simple += [
Vector(n, dtype)
for n, dtype in itertools.product(range(2, 5), DataType.ALL)
]
for layout, _ in itertools.product([Layout.STD140, Layout.STD430],
range(5)):
struct = Struct(rng.choice(simple, size=3, replace=False),
layout,
type_name="SomeStruct")
array = Array(struct, Random.shape(rng, 3, 5), layout)
container = Struct([array], layout)
self.run_test(container, [struct], BufferUsage.STORAGE_BUFFER)
if layout == Layout.STD140:
self.run_test(container, [struct], BufferUsage.UNIFORM_BUFFER)
def test_definition_check(self):
glsl = """
#version 450
#extension GL_ARB_separate_shader_objects : enable
layout(std140, binding = 0) buffer BufferA {
float[720][1280][3] image;
};
void main() {}
"""
shader = self.shader_from_txt(glsl, verbose=False)
incompatible_definition = Struct(
[Array(ScalarFloat(),
(721, 1281, 4), Layout.STD140)], Layout.STD140)
incompatible_buffer = lv.BufferCPU(self.session,
incompatible_definition,
lv.BufferCPU.USAGE_STORAGE)
self.assertRaises(LavaError,
lv.Stage,
shader=shader,
bindings={0: incompatible_buffer})
def deduce_definition(self,
index,
definitions_scalar,
definitions_vector,
definitions_array,
definitions_struct,
last_struct=None):
default_layout = Layout.STD140
if index in self.byte_code.types_array:
type_index, dims = self.byte_code.types_array[index]
# build missing definition
if type_index in self.byte_code.types_struct and type_index not in definitions_struct:
self.deduce_definition(type_index, definitions_scalar,
definitions_vector, definitions_array,
definitions_struct, last_struct)
definition = None
# matrix types are shared, but still affected by the layout, create a instance for every occurrence
if type_index in self.byte_code.types_matrix:
definition = self.build_matrix_definition(
type_index, default_layout, last_struct)
definition = definition or definitions_scalar.get(type_index)
definition = definition or definitions_vector.get(type_index)
definition = definition or definitions_struct.get(type_index)
definitions_array[index] = Array(definition.copy(), dims,
default_layout)
elif index in self.byte_code.types_struct:
member_indices = self.byte_code.types_struct[index]
# build missing definitions
for member_index in member_indices:
is_struct = member_index in self.byte_code.types_struct
is_array = member_index in self.byte_code.types_array
defs = {
"definitions_scalar": definitions_scalar,
"definitions_vector": definitions_vector,
"definitions_array": definitions_array,
"definitions_struct": definitions_struct
}
if is_struct and member_index not in definitions_struct:
self.deduce_definition(member_index,
last_struct=member_index,
**defs)
if is_array and member_index not in definitions_array:
self.deduce_definition(member_index,
last_struct=index,
**defs)
definitions = []
for member_index in member_indices:
definition = None
# matrix types are shared, but still affected by the layout, create a instance for every occurrence
if member_index in self.byte_code.types_matrix:
definition = self.build_matrix_definition(
member_index, default_layout, last_struct)
definition = definition or definitions_scalar.get(member_index)
definition = definition or definitions_vector.get(member_index)
definition = definition or definitions_array.get(member_index)
definition = definition or definitions_struct.get(member_index)
definitions.append(definition.copy())
struct_name, member_names = self.byte_code.find_names(index)
definitions_struct[index] = Struct(definitions,
default_layout,
member_names=member_names,
type_name=struct_name)
else:
raise ByteCodeError.unexpected()
def test_manually(self):
buffer_usage = BufferUsage.STORAGE_BUFFER
buffer_layout = Layout.STD140
buffer_order = Order.ROW_MAJOR
structA = Struct([Vector.ivec2(), Scalar.double()],
buffer_layout,
member_names=["a", "b"],
type_name="structA")
structB = Struct([Scalar.uint(), Scalar.double()],
buffer_layout,
type_name="structB")
structC = Struct([structB, Vector.ivec2()],
buffer_layout,
type_name="structC")
structs = [structA, structB, structC]
variables = [
Vector.vec3(),
Vector.ivec4(),
Array(structC, 2, buffer_layout),
Vector.ivec4(),
Scalar.uint(),
Array(Scalar.double(), (5, 2), buffer_layout),
Scalar.int(),
Array(Vector.vec4(), (2, 3, 4), buffer_layout),
Vector.dvec2(), structA
]
container = Struct(variables, buffer_layout, type_name="block")
print(container)
glsl = self.build_glsl_program(container, structs, buffer_usage)
# print(glsl)
values_expected, array = self.build_values(container.definitions)
array = np.array(array, dtype=np.float32)
bytez_in = array.tobytes() # std430
bytez_out = self.run_program(glsl, bytez_in, container.size())
values = container.from_bytes(bytez_out)
register = {}
steps = {Scalar: 0, Vector: 0, Array: 0, Struct: 0}
for struct in structs + [container]:
self.build_register(register, struct, steps)
values_ftd = self.format_values(container, values, register)
values_expected_ftd = self.format_values(container, values_expected,
register)
print("")
self.print_formatted_values(values_ftd)
print("")
self.print_formatted_values(values_expected_ftd)
print("")
print("")
print(values_ftd == values_expected_ftd)