| # Copyright 2019 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 glslc_test_framework import inside_glslc_testsuite |
| from placeholder import FileShader |
| |
| # A GLSL shader using the clamp, max, and min builtin functions. |
| GLSL_FRAG_SHADER_WITH_CLAMP = """#version 450 |
| layout(location=0) in vec4 i; |
| layout(location=0) out vec4 o; |
| void main() { |
| o = clamp(i, vec4(0.5), vec4(1.0)) |
| + max(i, vec4(0.5)) |
| + min(i, vec4(0.5)); |
| } |
| """ |
| |
| |
| @inside_glslc_testsuite('OptionFNanClamp') |
| class TestClampMapsToFClampByDefault(expect.ValidAssemblyFileWithSubstr): |
| shader = FileShader(GLSL_FRAG_SHADER_WITH_CLAMP, '.frag') |
| glslc_args = ['-S', shader] |
| expected_assembly_substr = 'OpExtInst %v4float %1 FClamp' |
| |
| |
| @inside_glslc_testsuite('OptionFNanClamp') |
| class TestMaxMapsToFMaxByDefault(expect.ValidAssemblyFileWithSubstr): |
| shader = FileShader(GLSL_FRAG_SHADER_WITH_CLAMP, '.frag') |
| glslc_args = ['-S', shader] |
| expected_assembly_substr = 'OpExtInst %v4float %1 FMax' |
| |
| |
| @inside_glslc_testsuite('OptionFNanClamp') |
| class TestMinMapsToFMinByDefault(expect.ValidAssemblyFileWithSubstr): |
| shader = FileShader(GLSL_FRAG_SHADER_WITH_CLAMP, '.frag') |
| glslc_args = ['-S', shader] |
| expected_assembly_substr = 'OpExtInst %v4float %1 FMin' |
| |
| |
| @inside_glslc_testsuite('OptionFNanClamp') |
| class TestClampMapsToNClampWithFlag(expect.ValidAssemblyFileWithSubstr): |
| shader = FileShader(GLSL_FRAG_SHADER_WITH_CLAMP, '.frag') |
| glslc_args = ['-S', '-fnan-clamp', shader] |
| expected_assembly_substr = 'OpExtInst %v4float %1 NClamp' |
| |
| @inside_glslc_testsuite('OptionFNanClamp') |
| class TestMaxMapsToNMaxWithFlag(expect.ValidAssemblyFileWithSubstr): |
| shader = FileShader(GLSL_FRAG_SHADER_WITH_CLAMP, '.frag') |
| glslc_args = ['-S', '-fnan-clamp', shader] |
| expected_assembly_substr = 'OpExtInst %v4float %1 NMax' |
| |
| |
| @inside_glslc_testsuite('OptionFNanClamp') |
| class TestMinMapsToNMinWithFlag(expect.ValidAssemblyFileWithSubstr): |
| shader = FileShader(GLSL_FRAG_SHADER_WITH_CLAMP, '.frag') |
| glslc_args = ['-S', '-fnan-clamp', shader] |
| expected_assembly_substr = 'OpExtInst %v4float %1 NMin' |