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# coding=utf-8
#
# Copyright © 2013, 2014 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 (including the next
# paragraph) 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.
from __future__ import print_function, division, absolute_import
import os
import os.path
import six
from templates import template_file
from modules import utils
TEMPLATE = template_file(os.path.basename(os.path.splitext(__file__)[0]),
'template.glsl_parser_test.mako')
SAMPLER_TYPE_TO_COORD_TYPE = {
'sampler1D': 'float',
'isampler1D': 'float',
'usampler1D': 'float',
'sampler2D': 'vec2',
'isampler2D': 'vec2',
'usampler2D': 'vec2',
'sampler3D': 'vec3',
'isampler3D': 'vec3',
'usampler3D': 'vec3',
'samplerCube': 'vec3',
'isamplerCube': 'vec3',
'usamplerCube': 'vec3',
'sampler1DArray': 'float',
'isampler1DArray': 'float',
'usampler1DArray': 'float',
'sampler2DArray': 'vec2',
'isampler2DArray': 'vec2',
'usampler2DArray': 'vec2',
'samplerCubeArray': 'vec3',
'isamplerCubeArray': 'vec3',
'usamplerCubeArray': 'vec3',
'sampler1DShadow': 'float',
'sampler2DShadow': 'vec2',
'samplerCubeShadow': 'vec3',
'sampler1DArrayShadow': 'float',
'sampler2DArrayShadow': 'vec2',
'samplerCubeArrayShadow': 'vec3',
}
REQUIREMENTS = {
'ARB_texture_query_lod': {
'version': '1.30',
'extensions': 'GL_ARB_texture_query_lod'
},
'glsl-4.00': {
'version': '4.00',
'extensions': None
}
}
def main():
"""Main function."""
for api, requirement in six.iteritems(REQUIREMENTS):
lod = 'Lod' if api == 'glsl-4.00' else 'LOD'
dirname = os.path.join("spec", api.lower(), "compiler",
"built-in-functions")
utils.safe_makedirs(dirname)
for sampler_type, coord_type in six.iteritems(SAMPLER_TYPE_TO_COORD_TYPE):
requirements = [requirement['extensions']] if requirement['extensions'] else []
# samplerCubeArray types are part GLSL 4.00
# or GL_ARB_texture_cube_map_array.
if api == "ARB_texture_query_lod" and sampler_type in [
'samplerCubeArray', 'isamplerCubeArray',
'usamplerCubeArray', 'samplerCubeArrayShadow']:
requirements.append('GL_ARB_texture_cube_map_array')
for execution_stage in ("vs", "fs"):
file_extension = 'frag' if execution_stage == 'fs' else 'vert'
filename = os.path.join(
dirname,
"textureQuery{0}-{1}.{2}".format(lod, sampler_type,
file_extension))
print(filename)
with open(filename, "w") as f:
f.write(TEMPLATE.render_unicode(
version=requirement['version'],
extensions=requirements,
execution_stage=execution_stage,
sampler_type=sampler_type,
coord_type=coord_type,
lod=lod))
if __name__ == '__main__':
main()
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