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# 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\n',
'; Version: 1.0\n',
'; Generator: Google Shaderc over Glslang; 10\n',
'; Bound: 7\n',
'; Schema: 0\n',
' OpCapability Shader\n',
' %2 = OpExtInstImport "GLSL.std.450"\n',
' OpMemoryModel Logical GLSL450\n',
' OpEntryPoint Vertex %main "main"\n',
' %1 = OpString "shader.vert"\n',
' OpSource ESSL 310 %1 "// OpModuleProcessed entry-point main\n',
'// OpModuleProcessed client vulkan100\n',
'// OpModuleProcessed target-env vulkan1.0\n',
'// OpModuleProcessed entry-point main\n',
'#line 1\n',
'#version 310 es\n',
'void main() {}"\n',
' OpSourceExtension "GL_GOOGLE_cpp_style_line_directive"\n',
' OpSourceExtension "GL_GOOGLE_include_directive"\n',
' OpName %main "main"\n',
' %void = OpTypeVoid\n',
' %4 = OpTypeFunction %void\n',
' OpLine %1 2 11\n',
' %main = OpFunction %void None %4\n',
' %6 = OpLabel\n',
' OpReturn\n',
' OpFunctionEnd\n']
ASSEMBLY_WITH_DEBUG = [
'; SPIR-V\n',
'; Version: 1.0\n',
'; Generator: Google Shaderc over Glslang; 10\n',
'; Bound: 6\n',
'; Schema: 0\n',
' OpCapability Shader\n',
' %1 = OpExtInstImport "GLSL.std.450"\n',
' OpMemoryModel Logical GLSL450\n',
' OpEntryPoint Vertex %main "main"\n',
' OpSource ESSL 310\n',
' OpSourceExtension "GL_GOOGLE_cpp_style_line_directive"\n',
' OpSourceExtension "GL_GOOGLE_include_directive"\n',
' OpName %main "main"\n',
' %void = OpTypeVoid\n',
' %3 = OpTypeFunction %void\n',
' %main = OpFunction %void None %3\n',
' %5 = OpLabel\n',
' OpReturn\n',
' OpFunctionEnd\n']
ASSEMBLY_WITHOUT_DEBUG = [
'; SPIR-V\n',
'; Version: 1.0\n',
'; Generator: Google Shaderc over Glslang; 10\n',
'; Bound: 6\n',
'; Schema: 0\n',
' OpCapability Shader\n',
' %1 = OpExtInstImport "GLSL.std.450"\n',
' OpMemoryModel Logical GLSL450\n',
' OpEntryPoint Vertex %4 "main"\n',
' %void = OpTypeVoid\n',
' %3 = OpTypeFunction %void\n',
' %4 = OpFunction %void None %3\n', # %4 vs. %main
' %5 = OpLabel\n',
' OpReturn\n',
' OpFunctionEnd\n']
@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_WITH_DEBUG
@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_WITHOUT_DEBUG
@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_WITHOUT_DEBUG
@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_WITH_DEBUG
@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"
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