First Commit

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

@@ -0,0 +1,180 @@
+# 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
+
+MINIMAL_SHADER = '#version 310 es\nvoid main() {}'
+EMPTY_SHADER_IN_CWD = Directory('.', [File('shader.vert', MINIMAL_SHADER)])
+
+ASSEMBLY_WITH_DEBUG_SOURCE = [
+    """; SPIR-V
+; Version: 1.0
+; Generator: Google Shaderc over Glslang; 11
+; Bound: 7
+; Schema: 0
+               OpCapability Shader
+          %2 = OpExtInstImport "GLSL.std.450"
+               OpMemoryModel Logical GLSL450
+               OpEntryPoint Vertex %main "main"
+          %1 = OpString "shader.vert"
+               OpSource ESSL 310 %1 "// OpModuleProcessed entry-point main
+// OpModuleProcessed client vulkan100
+// OpModuleProcessed target-env vulkan1.0
+// OpModuleProcessed entry-point main
+#line 1
+#version 310 es
+void main() {}"
+               OpSourceExtension "GL_GOOGLE_cpp_style_line_directive"
+               OpSourceExtension "GL_GOOGLE_include_directive"
+               OpName %main "main"
+       %void = OpTypeVoid
+          %4 = OpTypeFunction %void
+               OpLine %1 2 11
+       %main = OpFunction %void None %4
+          %6 = OpLabel
+               OpLine %1 2 0
+               OpReturn
+               OpFunctionEnd
+"""
+]
+
+ASSEMBLY_O0 = [
+    """; SPIR-V
+; Version: 1.0
+; Generator: Google Shaderc over Glslang; 11
+; Bound: 6
+; Schema: 0
+               OpCapability Shader
+          %1 = OpExtInstImport "GLSL.std.450"
+               OpMemoryModel Logical GLSL450
+               OpEntryPoint Vertex %main "main"
+               OpSource ESSL 310
+               OpSourceExtension "GL_GOOGLE_cpp_style_line_directive"
+               OpSourceExtension "GL_GOOGLE_include_directive"
+               OpName %main "main"
+       %void = OpTypeVoid
+          %3 = OpTypeFunction %void
+       %main = OpFunction %void None %3
+          %5 = OpLabel
+               OpReturn
+               OpFunctionEnd
+"""]
+
+ASSEMBLY_O = [
+    """; SPIR-V
+; Version: 1.0
+; Generator: Google Shaderc over Glslang; 11
+; Bound: 6
+; Schema: 0
+               OpCapability Shader
+          %1 = OpExtInstImport "GLSL.std.450"
+               OpMemoryModel Logical GLSL450
+               OpEntryPoint Vertex %4 "main"
+       %void = OpTypeVoid
+          %3 = OpTypeFunction %void
+          %4 = OpFunction %void None %3
+          %5 = OpLabel
+               OpReturn
+               OpFunctionEnd
+"""]
+
+ASSEMBLY_Os = [
+    """; SPIR-V
+; Version: 1.0
+; Generator: Google Shaderc over Glslang; 11
+; Bound: 6
+; Schema: 0
+               OpCapability Shader
+          %1 = OpExtInstImport "GLSL.std.450"
+               OpMemoryModel Logical GLSL450
+               OpEntryPoint Vertex %4 "main"
+       %void = OpTypeVoid
+          %3 = OpTypeFunction %void
+          %4 = OpFunction %void None %3
+          %5 = OpLabel
+               OpReturn
+               OpFunctionEnd
+"""]
+
+
+@inside_glslc_testsuite('OptionDashCapO')
+class TestDashCapO0(expect.ValidFileContents):
+    """Tests that -O0 works."""
+
+    environment = EMPTY_SHADER_IN_CWD
+    glslc_args = ['-S', '-O0', 'shader.vert']
+    target_filename = 'shader.vert.spvasm'
+    expected_file_contents = ASSEMBLY_O0
+
+
+@inside_glslc_testsuite('OptionDashCapO')
+class TestDashCapOPerformance(expect.ValidFileContents):
+    """Tests -O works."""
+
+    environment = EMPTY_SHADER_IN_CWD
+    glslc_args = ['-S', '-O', 'shader.vert']
+    target_filename = 'shader.vert.spvasm'
+    expected_file_contents = ASSEMBLY_O
+
+
+@inside_glslc_testsuite('OptionDashCapO')
+class TestDashCapOs(expect.ValidFileContents):
+    """Tests that -Os works."""
+
+    environment = EMPTY_SHADER_IN_CWD
+    glslc_args = ['-S', '-Os', 'shader.vert']
+    target_filename = 'shader.vert.spvasm'
+    expected_file_contents = ASSEMBLY_Os
+
+
+@inside_glslc_testsuite('OptionDashCapO')
+class TestDashCapOOverriding(expect.ValidFileContents):
+    """Tests that if there are multiple -O's, only the last one takes effect."""
+
+    environment = EMPTY_SHADER_IN_CWD
+    glslc_args = ['-S', '-Os', '-O0', '-Os', '-O0', 'shader.vert']
+    target_filename = 'shader.vert.spvasm'
+    expected_file_contents = ASSEMBLY_O0
+
+
+@inside_glslc_testsuite('OptionDashCapO')
+class TestDashCapOWithDashG(expect.ValidFileContents):
+    """Tests that -g restrains -O from turning on strip debug info."""
+
+    environment = EMPTY_SHADER_IN_CWD
+    glslc_args = ['-S', '-Os', '-g', 'shader.vert']
+    target_filename = 'shader.vert.spvasm'
+    expected_file_contents = ASSEMBLY_WITH_DEBUG_SOURCE
+
+
+@inside_glslc_testsuite('OptionDashCapO')
+class TestDashGWithDashCapO(expect.ValidFileContents):
+    """Tests that -g restrains -O from turning on strip debug info."""
+
+    environment = EMPTY_SHADER_IN_CWD
+    glslc_args = ['-S', '-g', '-Os', 'shader.vert']
+    target_filename = 'shader.vert.spvasm'
+    expected_file_contents = ASSEMBLY_WITH_DEBUG_SOURCE
+
+
+@inside_glslc_testsuite('OptionDashCapO')
+class TestWrongOptLevel(expect.NoGeneratedFiles, expect.ErrorMessage):
+    """Tests erroring out with wrong optimization level."""
+
+    shader = FileShader(MINIMAL_SHADER, '.vert')
+    glslc_args = ['-c', '-O2', shader]
+    expected_error = "glslc: error: invalid value '2' in '-O2'\n"