71 lines
2.6 KiB
Python
71 lines
2.6 KiB
Python
# Copyright 2023 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 glslc_test_framework import inside_glslc_testsuite
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from placeholder import FileShader
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# A GLSL shader with unused bindings.
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GLSL_SHADER_WITH_UNUSED_BINDINGS = """#version 450
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layout(binding=0) buffer InputA { vec4 x[]; } inputA;
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layout(binding=1) buffer InputB { vec4 x[]; } inputB;
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layout(binding=2) buffer Output { vec4 x[]; } outputO;
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void main() {}
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"""
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@inside_glslc_testsuite('OptionFPreserveBindings')
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class TestFPreserveBindingsInputA(expect.ValidAssemblyFileWithSubstr):
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"""Tests that the compiler preserves bindings when optimizations are
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enabled."""
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shader = FileShader(GLSL_SHADER_WITH_UNUSED_BINDINGS, '.comp')
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glslc_args = ['-S', '-O', shader, '-fpreserve-bindings']
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# Check the first buffer.
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expected_assembly_substr = "Binding 0"
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@inside_glslc_testsuite('OptionFPreserveBindings')
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class TestFPreserveBindingsInputB(expect.ValidAssemblyFileWithSubstr):
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"""Tests that the compiler preserves bindings when optimizations are
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enabled."""
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shader = FileShader(GLSL_SHADER_WITH_UNUSED_BINDINGS, '.comp')
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glslc_args = ['-S', '-O', shader, '-fpreserve-bindings']
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# Check the first buffer.
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expected_assembly_substr = "Binding 1"
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@inside_glslc_testsuite('OptionFPreserveBindings')
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class TestFPreserveBindingsOutputO(expect.ValidAssemblyFileWithSubstr):
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"""Tests that the compiler preserves bindings when optimizations are
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enabled."""
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shader = FileShader(GLSL_SHADER_WITH_UNUSED_BINDINGS, '.comp')
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glslc_args = ['-S', '-O', shader, '-fpreserve-bindings']
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# Check the first buffer.
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expected_assembly_substr = "Binding 2"
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@inside_glslc_testsuite('OptionFPreserveBindings')
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class TestFNoPreserveBindings(expect.ValidAssemblyFileWithoutSubstr):
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"""Tests that the compiler removes bindings when -fpreserve-bindings is not
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set."""
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shader = FileShader(GLSL_SHADER_WITH_UNUSED_BINDINGS, '.comp')
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glslc_args = ['-S', '-O', shader]
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# Check that all binding decorations are gone.
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unexpected_assembly_substr = "OpDecorate"
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