First Commit

3rdparty/shaderc/glslc/test/option_target_spv.py

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+# 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
+
+
+def vulkan_vertex_shader():
+    return """#version 310 es
+void main() { int t = gl_VertexIndex; }"""
+
+
+def vulkan_compute_subgroup_shader():
+    """Returns a compute shader that requires Vulkan 1.1 and SPIR-V 1.3"""
+    return """#version 450
+              #extension GL_KHR_shader_subgroup_basic : enable
+              void main() { subgroupBarrier(); }"""
+
+
+@inside_glslc_testsuite('OptionTargetSpv')
+class TestDefaultTargetSpvWithVulkanShader(expect.ValidObjectFile):
+    """Tests that compiling a Vulkan-specific shader with a default
+    target environment succeeds"""
+    shader = FileShader(vulkan_vertex_shader(), '.vert')
+    glslc_args = ['-c', shader]
+
+
+@inside_glslc_testsuite('OptionTargetSpv')
+class TestDefaultTargetSpvWithShaderRequiringSpv1p3Fails(expect.ErrorMessageSubstr):
+    """Tests that compiling a shader requiring SPIR-V 1.3 with default SPIR-V
+    target should fail.
+    """
+    shader = FileShader(vulkan_compute_subgroup_shader(), '.comp')
+    glslc_args = ['-c', shader]
+    expected_error_substr = ["error: 'subgroup op' : requires SPIR-V 1.3\n"]
+
+
+@inside_glslc_testsuite('OptionTargetSpv')
+class TestTargetSpv1p2WithShaderRequiringSpv1p3Fails(expect.ErrorMessageSubstr):
+    """Tests that compiling a shader requiring SPIR-V 1.3 but targeting 1.2
+    should fail.
+    """
+    shader = FileShader(vulkan_compute_subgroup_shader(), '.comp')
+    glslc_args = ['--target-spv=spv1.2', '-c', shader]
+    expected_error_substr = ["error: 'subgroup op' : requires SPIR-V 1.3\n"]
+
+
+@inside_glslc_testsuite('OptionTargetSpv')
+class TestTargetSpv1p3(expect.ValidObjectFile1_3):
+    """Tests that compiling to spv1.3 succeeds and generates SPIR-V 1.3 binary."""
+    shader = FileShader(vulkan_compute_subgroup_shader(), '.comp')
+    glslc_args = ['--target-spv=spv1.3', '-c', shader]
+
+
+@inside_glslc_testsuite('OptionTargetSpv')
+class TestTargetSpv1p4(expect.ValidObjectFile1_4):
+    """Tests that compiling to spv1.4 succeeds and generates SPIR-V 1.4 binary."""
+    shader = FileShader(vulkan_vertex_shader(), '.vert')
+    glslc_args = ['--target-spv=spv1.4', '-c', shader]
+
+
+@inside_glslc_testsuite('OptionTargetSpv')
+class TestTargetSpv1p5(expect.ValidObjectFile1_5):
+    """Tests that compiling to spv1.5 succeeds and generates SPIR-V 1.5 binary."""
+    shader = FileShader(vulkan_vertex_shader(), '.vert')
+    glslc_args = ['--target-spv=spv1.5', '-c', shader]
+
+
+@inside_glslc_testsuite('OptionTargetSpv')
+class TestTargetSpv1p5(expect.ValidObjectFile1_6):
+    """Tests that compiling to spv1.6 succeeds and generates SPIR-V 1.6 binary."""
+    shader = FileShader(vulkan_vertex_shader(), '.vert')
+    glslc_args = ['--target-spv=spv1.6', '-c', shader]
+
+
+### Option parsing error cases
+
+@inside_glslc_testsuite('OptionTargetSpv')
+class TestTargetSpvNoArg(expect.ErrorMessage):
+    """Tests the error message of assigning empty string to --target-spv"""
+    shader = FileShader(vulkan_vertex_shader(), '.vert')
+    glslc_args = ['--target-spv=', shader]
+    expected_error = ["glslc: error: invalid value ",
+                      "'' in '--target-spv='\n"]
+
+
+@inside_glslc_testsuite('OptionTargetSpv')
+class TestTargetSpvNoEqNoArg(expect.ErrorMessage):
+    """Tests the error message of using --target-spv without equal sign and
+    arguments"""
+    shader = FileShader(vulkan_vertex_shader(), '.vert')
+    glslc_args = ['--target-spv', shader]
+    expected_error = ["glslc: error: unsupported option: ",
+                      "'--target-spv'\n"]
+
+
+@inside_glslc_testsuite('OptionTargetSpv')
+class TestTargetSpvNoEqWithArg(expect.ErrorMessage):
+    """Tests the error message of using --target-spv without equal sign but
+    arguments"""
+    shader = FileShader(vulkan_vertex_shader(), '.vert')
+    glslc_args = ['--target-spv', 'spv1.3', shader]
+    expected_error = ["glslc: error: unsupported option: ",
+                      "'--target-spv'\n"]
+
+
+@inside_glslc_testsuite('OptionTargetSpv')
+class TestTargetSpvEqWrongArg(expect.ErrorMessage):
+    """Tests the error message of using --target-spv with wrong argument"""
+    shader = FileShader(vulkan_vertex_shader(), '.vert')
+    glslc_args = ['--target-spv=wrong_arg', shader]
+    expected_error = ["glslc: error: invalid value ",
+                      "'wrong_arg' in '--target-spv=wrong_arg'\n"]