304 lines
9.3 KiB
Python
304 lines
9.3 KiB
Python
# Copyright 2015 The Shaderc Authors. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import expect
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from environment import Directory, File
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from glslc_test_framework import inside_glslc_testsuite
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@inside_glslc_testsuite('#line')
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class TestPoundVersion310InIncludingFile(
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expect.ReturnCodeIsZero, expect.StdoutMatch, expect.StderrMatch):
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"""Tests that #line directives follows the behavior of version 310
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(specifying the line number for the next line) when we find a
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#version 310 directive in the including file."""
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environment = Directory('.', [
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File('a.vert', '#version 310 es\n#include "b.glsl"\n'),
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File('b.glsl', 'void main() {}\n')])
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glslc_args = ['-E', 'a.vert']
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expected_stderr = ''
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expected_stdout = \
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"""#version 310 es
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#extension GL_GOOGLE_include_directive : enable
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#line 1 "a.vert"
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#line 1 "b.glsl"
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void main() { }
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#line 3 "a.vert"
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"""
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@inside_glslc_testsuite('#line')
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class TestPoundVersion150InIncludingFile(
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expect.ReturnCodeIsZero, expect.StdoutMatch, expect.StderrMatch):
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"""Tests that #line directives follows the behavior of version 150
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(specifying the line number for itself) when we find a #version 150
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directive in the including file."""
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environment = Directory('.', [
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File('a.vert', '#version 150\n#include "b.glsl"\n'),
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File('b.glsl', 'void main() {}\n')])
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glslc_args = ['-E', 'a.vert']
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expected_stderr = ''
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expected_stdout = \
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"""#version 150
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#extension GL_GOOGLE_include_directive : enable
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#line 0 "a.vert"
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#line 0 "b.glsl"
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void main() { }
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#line 2 "a.vert"
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"""
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@inside_glslc_testsuite('#line')
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class TestPoundVersionSyntaxErrorInIncludingFile(expect.ErrorMessageSubstr):
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"""Tests that error message for #version directive has the correct
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filename and line number."""
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environment = Directory('.', [
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File('a.vert', '#version abc def\n#include "b.glsl"\n'),
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File('b.glsl', 'void main() {}\n')])
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glslc_args = ['-E', 'a.vert']
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expected_error_substr = [
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"a.vert:1: error: '#version' : must occur first in shader\n",
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"a.vert:1: error: '#version' : must be followed by version number\n",
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"a.vert:1: error: '#version' : bad profile name; use es, core, or "
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"compatibility\n",
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]
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# TODO(antiagainst): now #version in included files results in an error.
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# Fix this after #version in included files are supported.
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@inside_glslc_testsuite('#line')
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class TestPoundVersion310InIncludedFile(expect.ErrorMessageSubstr):
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"""Tests that #line directives follows the behavior of version 310
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(specifying the line number for the next line) when we find a
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#version 310 directive in the included file."""
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environment = Directory('.', [
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File('a.vert', '#include "b.glsl"\nvoid main() {}'),
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File('b.glsl', '#version 310 es\n')])
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glslc_args = ['-E', 'a.vert']
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expected_error_substr = [
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"b.glsl:1: error: '#version' : must occur first in shader\n"
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]
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# TODO(antiagainst): now #version in included files results in an error.
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# Fix this after #version in included files are supported.
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@inside_glslc_testsuite('#line')
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class TestPoundVersion150InIncludedFile(expect.ErrorMessageSubstr):
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"""Tests that #line directives follows the behavior of version 150
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(specifying the line number for itself) when we find a #version 150
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directive in the included file."""
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environment = Directory('.', [
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File('a.vert', '#include "b.glsl"\nvoid main() {}'),
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File('b.glsl', '#version 150\n')])
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glslc_args = ['-E', 'a.vert']
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expected_error_substr = [
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"b.glsl:1: error: '#version' : must occur first in shader\n"
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]
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@inside_glslc_testsuite('#line')
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class TestSpaceAroundPoundVersion310InIncludingFile(
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expect.ReturnCodeIsZero, expect.StdoutMatch, expect.StderrMatch):
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"""Tests that spaces around #version & #include directive doesn't matter."""
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environment = Directory('.', [
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File('a.vert', '\t # \t version 310 \t es\n#\tinclude "b.glsl"\n'),
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File('b.glsl', 'void main() {}\n')])
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glslc_args = ['-E', 'a.vert']
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expected_stderr = ''
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expected_stdout = \
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"""#version 310 es
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#extension GL_GOOGLE_include_directive : enable
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#line 1 "a.vert"
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#line 1 "b.glsl"
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void main() { }
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#line 3 "a.vert"
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"""
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@inside_glslc_testsuite('#line')
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class TestSpaceAroundPoundVersion150InIncludingFile(
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expect.ReturnCodeIsZero, expect.StdoutMatch, expect.StderrMatch):
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"""Tests that spaces around #version & #include directive doesn't matter."""
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environment = Directory('.', [
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File('a.vert', ' \t #\t\tversion\t 150\t \n# include \t "b.glsl"\n'),
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File('b.glsl', 'void main() {}\n')])
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glslc_args = ['-E', 'a.vert']
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expected_stderr = ''
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expected_stdout = \
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"""#version 150
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#extension GL_GOOGLE_include_directive : enable
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#line 0 "a.vert"
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#line 0 "b.glsl"
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void main() { }
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#line 2 "a.vert"
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"""
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@inside_glslc_testsuite('#line')
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class TestPoundLineWithForcedVersion310(
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expect.ReturnCodeIsZero, expect.StdoutMatch, expect.StderrMatch):
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"""Tests that #line directives follows the behavior for the version
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specified via command-line."""
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environment = Directory('.', [
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File('a.vert', '#include "b.glsl"\n'),
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File('b.glsl', 'void main() {}\n')])
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glslc_args = ['-E', '-std=310es', 'a.vert']
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expected_stderr = ''
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expected_stdout = \
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"""#extension GL_GOOGLE_include_directive : enable
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#line 1 "a.vert"
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#line 1 "b.glsl"
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void main() { }
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#line 2 "a.vert"
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"""
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@inside_glslc_testsuite('#line')
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class TestPoundLineWithForcedVersion150(
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expect.ReturnCodeIsZero, expect.StdoutMatch, expect.StderrMatch):
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"""Tests that #line directives follows the behavior for the version
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specified via command-line."""
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environment = Directory('.', [
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File('a.vert', '#include "b.glsl"\n'),
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File('b.glsl', 'void main() {}\n')])
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glslc_args = ['-E', '-std=150', 'a.vert']
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expected_stderr = ''
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expected_stdout = \
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"""#extension GL_GOOGLE_include_directive : enable
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#line 0 "a.vert"
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#line 0 "b.glsl"
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void main() { }
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#line 1 "a.vert"
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"""
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@inside_glslc_testsuite('#line')
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class TestPoundLineWithForcedDifferentVersion(
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expect.ReturnCodeIsZero, expect.StdoutMatch, expect.StderrMatch):
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"""Tests that #line directives follows the behavior for the version
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specified via command-line, even if there is a version specification
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in the source code."""
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environment = Directory('.', [
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File('a.vert', '#version 150\n#include "b.glsl"\n'),
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File('b.glsl', 'void main() {}\n')])
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glslc_args = ['-E', '-std=310es', 'a.vert']
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expected_stderr = ''
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expected_stdout = \
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"""#version 150
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#extension GL_GOOGLE_include_directive : enable
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#line 1 "a.vert"
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#line 1 "b.glsl"
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void main() { }
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#line 3 "a.vert"
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"""
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@inside_glslc_testsuite('#line')
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class TestErrorsFromMultipleFiles(expect.ErrorMessage):
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"""Tests that errors from different files have the correct error message
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filename specification."""
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including_file = '''#version 310 es
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#include "error.glsl"
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int no_return() {}
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#include "main.glsl"
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'''
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environment = Directory('.', [
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File('a.vert', including_file),
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File('error.glsl', 'int unknown_identifier(int) { return a; }'),
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File('main.glsl', 'void main() {\n int b = 1.5;\n}')])
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glslc_args = ['-c', 'a.vert']
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expected_error = [
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"error.glsl:1: error: 'a' : undeclared identifier\n",
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"error.glsl:1: error: 'return' : type does not match, or is not "
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"convertible to, the function's return type\n",
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"a.vert:3: error: '' : function does not return a value: no_return\n",
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"main.glsl:2: error: '=' : cannot convert from ' const float' to "
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"' temp highp int'\n",
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"4 errors generated.\n"]
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@inside_glslc_testsuite('#line')
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class TestExplicitPoundLineWithPoundInclude(
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expect.ReturnCodeIsZero, expect.StdoutMatch, expect.StderrMatch):
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"""Tests that #line works correctly in the presence of #include (which
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itself will generate some #line directives."""
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including_file = '''#version 310 es
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#line 10000 "injected.glsl"
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int plus1(int a) { return a + 1; }
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#include "inc.glsl"
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int plus2(int a) { return a + 2; }
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#line 55555
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#include "main.glsl"
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'''
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environment = Directory('.', [
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File('a.vert', including_file),
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File('inc.glsl', 'int inc(int a) { return a + 1; }'),
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File('main.glsl', 'void main() {\n gl_Position = vec4(1.);\n}')])
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glslc_args = ['-E', 'a.vert']
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expected_stderr = ''
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expected_stdout = '''#version 310 es
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#extension GL_GOOGLE_include_directive : enable
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#line 1 "a.vert"
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#line 10000 "injected.glsl"
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int plus1(int a) { return a + 1; }
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#line 1 "inc.glsl"
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int inc(int a) { return a + 1; }
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#line 10002 "injected.glsl"
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int plus2(int a) { return a + 2; }
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#line 55555
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#line 1 "main.glsl"
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void main() {
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gl_Position = vec4(1.);
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}
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#line 55556 "injected.glsl"
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'''
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