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_bytecode_parsing_without_gpu(self):
with self.env_backup():
del os.environ["VULKAN_SDK"]
import lava as lv
from lava.api.bytecode.logical import ByteCode
from lava.api.bytecode.physical import ByteCodeData
from lava.api.bytes import Vector, Scalar, Struct
from lava.api.constants.spirv import Layout
self.assertTrue(not lv.initialized())
glsl = """
#version 450
#extension GL_ARB_separate_shader_objects : enable
layout(local_size_x=1, local_size_y=1, local_size_z=1) in;
layout(std430, binding = 0) readonly buffer bufIn {
vec3 var1;
};
layout(std430, binding = 1) writeonly buffer bufOut {
float var2;
};
void main() {
var2 = var1.x + var1.y + var1.z;
}
"""
path_shader = write_to_temp_file(glsl, suffix=".comp")
path_shader_spirv = lv.compile_glsl(path_shader, verbose=True)
with self.env_backup():
del os.environ["VULKAN_SDK"]
self.assertTrue(not lv.initialized())
byte_code_data = ByteCodeData.from_file(path_shader_spirv)
byte_code = ByteCode(byte_code_data, None)
quiet = True
container0 = Struct([Vector.vec3()], Layout.STD430)
container1 = Struct([Scalar.float()], Layout.STD430)
self.assertTrue(
container0.compare(byte_code.get_block_definition(0),
quiet=quiet))
self.assertTrue(
container1.compare(byte_code.get_block_definition(1),
quiet=quiet))
os.remove(path_shader)
os.remove(path_shader_spirv)
def test_detection_binding(self):
container = Struct([Scalar.int(), Vector.vec3()], Layout.STD140)
for binding, usage in itertools.product([0, 1, 2, 3, 4, 99, 512], [BufferUsage.UNIFORM_BUFFER, BufferUsage.STORAGE_BUFFER]):
glsl = self.build_glsl_program(((container, binding, usage),))
shader = self.shader_from_txt(glsl, verbose=False)
shader.inspect()
detected_definition, detected_usage = shader.code.get_block(binding)
self.assertEqual(detected_usage, usage)
equal = container.compare(detected_definition, quiet=True)
self.assertTrue(equal)
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_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_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)