| # Copyright 2016 The Shaderc Authors. All rights reserved. |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| import expect |
| from environment import File, Directory |
| from glslc_test_framework import inside_glslc_testsuite |
| from placeholder import FileShader |
| |
| |
| def shader_source_with_tex_offset(offset): |
| """Returns a vertex shader using a texture access with the given offset.""" |
| |
| return """#version 450 |
| layout (binding=0) uniform sampler1D tex; |
| void main() { vec4 x = textureOffset(tex, 1.0, """ + str(offset) + "); }" |
| |
| |
| def shader_with_tex_offset(offset): |
| """Returns a vertex FileShader using a texture access with the given offset.""" |
| |
| return FileShader(shader_source_with_tex_offset(offset), ".vert") |
| |
| |
| @inside_glslc_testsuite('OptionFLimit') |
| class TestFLimitNoEqual(expect.ErrorMessage): |
| """Tests -flimit without equal.""" |
| |
| glslc_args = ['-flimit'] |
| expected_error = ["glslc: error: unknown argument: '-flimit'\n"] |
| |
| |
| @inside_glslc_testsuite('OptionFLimit') |
| class TestFLimitJustEqual(expect.ValidObjectFile): |
| """Tests -flimit= with no argument.""" |
| |
| shader = shader_with_tex_offset(0); |
| glslc_args = ['-c', shader, '-flimit='] |
| |
| |
| @inside_glslc_testsuite('OptionFLimit') |
| class TestFLimitJustEqualMaxOffset(expect.ValidObjectFile): |
| """Tests -flimit= with no argument. The shader uses max offset.""" |
| |
| shader = shader_with_tex_offset(7); |
| glslc_args = ['-c', shader, '-flimit='] |
| |
| |
| @inside_glslc_testsuite('OptionFLimit') |
| class TestFLimitJustEqualMinOffset(expect.ValidObjectFile): |
| """Tests -flimit= with no argument. The shader uses min offset.""" |
| |
| shader = shader_with_tex_offset(-8); |
| glslc_args = ['-c', shader, '-flimit='] |
| |
| |
| @inside_glslc_testsuite('OptionFLimit') |
| class TestFLimitJustEqualBelowMinOffset(expect.ErrorMessageSubstr): |
| """Tests -flimit= with no argument. The shader uses below min default offset.""" |
| |
| shader = shader_with_tex_offset(-9); |
| glslc_args = ['-c', shader, '-flimit='] |
| expected_error_substr = ["'texel offset' : value is out of range"] |
| |
| |
| @inside_glslc_testsuite('OptionFLimit') |
| class TestFLimitLowerThanDefaultMinOffset(expect.ValidObjectFile): |
| """Tests -flimit= with lower than default argument. The shader uses below min offset.""" |
| |
| shader = shader_with_tex_offset(-9); |
| glslc_args = ['-c', shader, '-flimit= MinProgramTexelOffset -9 '] |
| |
| |
| @inside_glslc_testsuite('OptionFLimit') |
| class TestFLimitIgnoredLangFeatureSettingSample(expect.ValidObjectFile): |
| """Tests -flimit= an ignored option.""" |
| |
| shader = FileShader("#version 150\nvoid main() { while(true); }", '.vert') |
| glslc_args = ['-c', shader, '-flimit=whileLoops 0'] |
| |
| |
| @inside_glslc_testsuite('OptionFLimit') |
| class TestFLimitLowerThanDefaultMinOffset(expect.ValidObjectFile): |
| """Tests -flimit= with lower than default argument. The shader uses that offset.""" |
| |
| shader = shader_with_tex_offset(-9); |
| glslc_args = ['-c', shader, '-flimit= MinProgramTexelOffset -9 '] |
| |
| |
| @inside_glslc_testsuite('OptionFLimitFile') |
| class TestFLimitFileNoArg(expect.ErrorMessage): |
| """Tests -flimit-file without an argument""" |
| |
| shader = shader_with_tex_offset(-9); |
| glslc_args = ['-c', shader, '-flimit-file'] |
| expected_error = "glslc: error: argument to '-flimit-file' is missing\n" |
| |
| |
| @inside_glslc_testsuite('OptionFLimitFile') |
| class TestFLimitFileMissingFile(expect.ErrorMessageSubstr): |
| """Tests -flimit-file without an argument""" |
| |
| shader = shader_with_tex_offset(-9); |
| glslc_args = ['-c', shader, '-flimit-file', 'i do not exist'] |
| expected_error_substr = "glslc: error: cannot open input file: 'i do not exist'"; |
| |
| |
| @inside_glslc_testsuite('OptionFLimitFile') |
| class TestFLimitFileSetsLowerMinTexelOffset(expect.ValidObjectFile): |
| """Tests -flimit-file with lower than default argument. The shader uses that offset.""" |
| |
| limits_file = File('limits.txt', 'MinProgramTexelOffset -9') |
| shader = File('shader.vert', shader_source_with_tex_offset(-9)); |
| environment = Directory('.', [limits_file, shader]) |
| glslc_args = ['-c', shader.name, '-flimit-file', limits_file.name] |
| |
| |
| @inside_glslc_testsuite('OptionFLimitFile') |
| class TestFLimitFileInvalidContents(expect.ErrorMessage): |
| """Tests -flimit-file bad file contents.""" |
| |
| limits_file = File('limits.txt', 'thisIsBad') |
| shader = File('shader.vert', shader_source_with_tex_offset(-9)); |
| environment = Directory('.', [limits_file, shader]) |
| glslc_args = ['-c', shader.name, '-flimit-file', limits_file.name] |
| expected_error = 'glslc: error: -flimit-file error: invalid resource limit: thisIsBad\n' |