generated_tests/gen_non-lvalue_tests.py

   1 # coding=utf-8
   2 #
   3 # Copyright © 2012, 2014 Intel Corporation
   4 #
   5 # Permission is hereby granted, free of charge, to any person obtaining a
   6 # copy of this software and associated documentation files (the "Software"),
   7 # to deal in the Software without restriction, including without limitation
   8 # the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9 # and/or sell copies of the Software, and to permit persons to whom the
  10 # Software is furnished to do so, subject to the following conditions:
  11 #
  12 # The above copyright notice and this permission notice (including the next
  13 # paragraph) shall be included in all copies or substantial portions of the
  14 # Software.
  15 #
  16 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19 # THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  21 # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  22 # DEALINGS IN THE SOFTWARE.
  23
  24 import os
  25 import itertools
  26
  27 from templates import template_dir
  28 from modules import utils
  29
  30 TEMPLATES = template_dir(os.path.basename(os.path.splitext(__file__)[0]))
  31
  32 _NAMES = {
  33     "++t": "preincrement",
  34     "--t": "predecrement",
  35     "t++": "postincrement",
  36     "t--": "postdecrement",
  37 }
  38
  39
  40 def generate(dirname, type_name, op, usage, shader_target):
  41     """Generate glsl parser tests."""
  42     if type_name.endswith('2'):
  43         var_as_vec4 = 'vec4(t.xyxy)'
  44         components = '.xy'
  45     elif type_name.endswith('3'):
  46         var_as_vec4 = 'vec4(t.xyzx)'
  47         components = '.xyz'
  48     elif type_name.endswith('4'):
  49         var_as_vec4 = 'vec4(t)'
  50         components = ''
  51     else:
  52         var_as_vec4 = 'vec4(t)'
  53         components = '.x'
  54
  55     if shader_target == 'vert':
  56         dest = "gl_Position"
  57         mode = 'attribute'
  58     else:
  59         mode = 'varying'
  60         dest = "gl_FragColor"
  61
  62     filename = os.path.join(
  63         dirname,
  64         '{0}-{1}-non-lvalue-for-{2}.{3}'.format(
  65             _NAMES[op], type_name, usage, shader_target))
  66
  67     print(filename)
  68     with open(filename, 'w') as f:
  69         f.write(TEMPLATES.get_template(
  70             '{0}.glsl_parser_test.mako'.format(usage)).render_unicode(
  71                 type_name=type_name,
  72                 mode=mode,
  73                 dest=dest,
  74                 components=components,
  75                 var_as_vec4=var_as_vec4,
  76                 op=op))
  77
  78
  79 def all_tests():
  80     type_name = ['float', 'vec2', 'vec3', 'vec4', 'int', 'ivec2', 'ivec3',
  81                  'ivec4']
  82     op = ["++t", "--t", "t++", "t--"]
  83     usage = ['assignment', 'out-parameter']
  84     shader_target = ['vert', 'frag']
  85
  86     for t, o, u, s in itertools.product(type_name, op, usage, shader_target):
  87         yield t, o, u, s
  88
  89
  90 def main():
  91     dirname = os.path.join('spec', 'glsl-1.10', 'compiler', 'expressions')
  92     utils.safe_makedirs(dirname)
  93
  94     for args in all_tests():
  95         generate(dirname, *args)
  96
  97
  98 if __name__ == '__main__':
  99     main()