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# coding=utf-8
# Copyright (c) 2015-2016 Intel Corporation
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
"""Generate tests for variable index writes.
This creates a TestParams object for each invocation (using a factory to reduce
the number of duplicate objects), and then passes that into a mako template.
The template then formats that information into a shader_test for either the
fragment shader stage or the vertex shader stage.
"""
from __future__ import (
print_function, absolute_import, division, unicode_literals
)
import copy
import itertools
import os
from six.moves import range # pylint: disable=redefined-builtin
from modules import utils, glsl
from templates import template_dir
_TEMPLATES = template_dir(os.path.basename(os.path.splitext(__file__)[0]))
_VS_TEMPLATE = _TEMPLATES.get_template('vs.shader_test.mako')
_FS_TEMPLATE = _TEMPLATES.get_template('fs.shader_test.mako')
_DIRNAME = os.path.join('spec', 'glsl-{}', 'execution', 'variable-indexing')
class TestParams(object):
"""Object representing all of the parameters of a single test instance.
Provides all of the values using lazy properties, which tie in with the
ParamsFactory to store all of the values, speeding up run times.
"""
def __init__(self, mode, array_dim, matrix_dim, index_value, col,
value_type, glsl_version):
# pylint: disable=too-many-arguments
assert array_dim in [0, 3]
assert matrix_dim in [2, 3, 4]
self.mode = mode
self.array_dim = array_dim
self.matrix_dim = matrix_dim
self.index_value = index_value
self.col = '[{}]'.format(col)
self.value_type = value_type
self.version = glsl.Version(glsl_version)
@utils.lazy_property
def varying_comps(self):
if self.array_dim != 0:
return self.matrix_dim**2 * self.array_dim
else:
return self.matrix_dim**2
@utils.lazy_property
def base_type(self):
if int(self.version) >= 120:
return 'mat{0}x{0}'.format(self.matrix_dim)
else:
return 'mat{}'.format(self.matrix_dim)
@utils.lazy_property
def type(self):
if self.array_dim != 0 and int(self.version) >= 120:
return '{}[{}]'.format(self.base_type, self.array_dim)
else:
return self.base_type
@utils.lazy_property
def dim(self):
if self.array_dim != 0 and int(self.version) < 120:
return '[{}]'.format(self.array_dim)
else:
return ''
@utils.lazy_property
def row(self):
if self.value_type == 'float':
return '[row]'
else:
return ''
@utils.lazy_property
def idx(self):
if self.array_dim != 0:
return '[{}]'.format(self.index_value)
else:
return ''
@utils.lazy_property
def test_vec(self):
if self.matrix_dim == 2:
return ["0.803161418975390", "0.852987140792140"]
elif self.matrix_dim == 3:
return ["0.681652305322399", "0.210426138878113",
"0.185916924650237"]
elif self.matrix_dim == 4:
return ["0.0394868046587045", "0.8922408276905568",
"0.3337495624366961", "0.8732295730825839"]
@utils.lazy_property
def test_exp(self):
if self.matrix_dim == 2:
return ["0.708718134966688", "1.452243795483797"]
elif self.matrix_dim == 3:
return ["0.610649606928364", "0.711906885823636",
"0.312244778977868"]
elif self.matrix_dim == 4:
return ["1.03935908892461", "1.18846180713529", "1.10078681232072",
"1.72434439561820"]
@utils.lazy_property
def test_mat(self):
if self.matrix_dim == 2:
return [["0.241498998195656", "0.861223395812970"],
["0.603473877011433", "0.891622340451180"]]
elif self.matrix_dim == 3:
return [
["0.493944462129466", "0.722190133917966", "0.239853948232558"],
["0.550143078409278", "0.591962645398579", "0.467616286531193"],
["0.850846377186973", "0.511303112962423", "0.270815003356504"]
]
elif self.matrix_dim == 4:
return [["0.922040144261674", "0.158053783109488",
"0.357016429866574", "0.836368810383957"],
["0.560251913703792", "0.171634921595771",
"0.602494709909111", "0.693273570571311"],
["0.350720358904176", "0.912192627475775",
"0.688544081259531", "0.913891056231967"],
["0.442058176039301", "0.829835836794679",
"0.365674411003021", "0.879197364462782"]]
@utils.lazy_property
def test_sizes(self):
if self.array_dim == 0:
return [1]
elif self.index_value == 'index':
return list(range(1, self.array_dim + 1))
else:
return [2]
@utils.lazy_property
def test_columns(self):
if self.col == '[col]':
return list(range(1, self.matrix_dim + 1))
return [2]
@utils.lazy_property
def test_rows(self):
if self.value_type == 'float':
return list(range(1, self.matrix_dim + 1))
return [1]
@utils.lazy_property
def test_type(self):
# shader_runner always uses matDxD format
return 'mat{0}x{0}'.format(self.matrix_dim)
def test_matrix(self, column, row):
"""Generate the matrix used in a test section.
This will take the matrix used by the test, and replace specific values
with sentinal values, and return the matrix as a string.
"""
bad = ['666.0', '777.0', '888.0', '999.0']
mat = copy.deepcopy(self.test_mat)
if self.value_type == 'float':
mat[column][row] = bad[0]
else:
mat[column] = bad[0:self.matrix_dim]
ret = ''
for c in mat:
ret += ' '.join(c)
ret += ' '
return ret
@utils.lazy_property
def formated_version(self):
# Note: GLSLVersion.float() does division by 100
return '{:.2f}'.format(float(self.version))
class ParamsFactory(object): # pylint: disable=too-few-public-methods
"""A factory class that provides TestParam objects.
This cuts the number of new objects created by roughly 3/5.
"""
def __init__(self):
self.__stored = {}
def get(self, *args):
args = tuple(args)
try:
return self.__stored[args]
except KeyError:
params = TestParams(*args)
self.__stored[args] = params
return params
def make_vs(name, params):
"""Create a vertex shader test."""
dirname = _DIRNAME.format(params.formated_version)
utils.safe_makedirs(dirname)
with open(os.path.join(dirname, name), 'w') as f:
f.write(_VS_TEMPLATE.render_unicode(params=params))
print(name)
def make_fs(name, params):
"""Create a fragment shader test."""
dirname = _DIRNAME.format(params.formated_version)
utils.safe_makedirs(dirname)
with open(os.path.join(dirname, name), 'w') as f:
f.write(_FS_TEMPLATE.render_unicode(params=params))
print(name)
def main():
"""The main function."""
# Various choices that can be put together to produce a single test.
iter_ = itertools.product(
['110', '120'], # GLSL versions
[0, 3], # Array dimensions
[2, 3, 4], # Matrix dimensions
['varying', 'temp'], # modes
['col', 1], # columns
['fs', 'vs'], # shader stages
)
factory = ParamsFactory()
# This can be filled in to produce the file name for the test.
# Note that idx, col, row, and arr will need to have a '-' added to the end
# of the value if it is not empty
name = '{stage}-{mode}-{arr}mat{matrix_dim}-{idx}{col}{row}wr.shader_test'
for v, a, d, m, c, s in iter_:
for t in ['float', 'vec{}'.format(d)]:
if s == 'vs':
func = make_vs
elif s == 'fs':
if m == 'varying':
# Fragment shaders cannot write varyings
continue
func = make_fs
if a != 0:
arr = 'array-'
func(
name.format(stage=s,
mode=m,
matrix_dim=d,
arr=arr,
idx='',
col='col-' if c == 'col' else '',
row='row-' if t == 'float' else ''),
factory.get(m, a, d, 1, c, t, v))
else:
arr = ''
func(
name.format(stage=s,
mode=m,
matrix_dim=d,
arr=arr,
idx='index-' if a != 0 else '',
col='col-' if c == 'col' else '',
row='row-' if t == 'float' else ''),
factory.get(m, a, d, 'index', c, t, v))
if __name__ == '__main__':
main()
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