114 lines
5.0 KiB
Python
114 lines
5.0 KiB
Python
# 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 glslc_test_framework import inside_glslc_testsuite
|
|
from placeholder import FileShader
|
|
|
|
MINIMAL_SHADER = "#version 140\nvoid main(){}"
|
|
# This one is valid GLSL but not valid HLSL.
|
|
GLSL_VERTEX_SHADER = "#version 140\nvoid main(){ gl_Position = vec4(1.0);}"
|
|
# This one is valid HLSL but not valid GLSL.
|
|
HLSL_VERTEX_SHADER = "float4 EntryPoint() : SV_POSITION { return float4(1.0); }"
|
|
HLSL_VERTEX_SHADER_WITH_MAIN = "float4 main() : SV_POSITION { return float4(1.0); }"
|
|
HLSL_VERTEX_SHADER_WITH_FOOBAR = "float4 Foobar() : SV_POSITION { return float4(1.0); }"
|
|
|
|
# Expected assembly code within certain shaders.
|
|
ASSEMBLY_ENTRY_POINT = "OpEntryPoint Vertex %EntryPoint \"EntryPoint\""
|
|
ASSEMBLY_MAIN = "OpEntryPoint Vertex %main \"main\""
|
|
ASSEMBLY_FOOBAR = "OpEntryPoint Vertex %Foobar \"Foobar\""
|
|
|
|
|
|
@inside_glslc_testsuite('OptionFEntryPoint')
|
|
class TestEntryPointDefaultsToMainForGlsl(expect.ValidAssemblyFileWithSubstr):
|
|
"""Tests that entry point name defaults to "main" in a GLSL shader."""
|
|
|
|
shader = FileShader(GLSL_VERTEX_SHADER, '.vert')
|
|
glslc_args = ['-S', shader]
|
|
expected_assembly_substr = ASSEMBLY_MAIN
|
|
|
|
|
|
@inside_glslc_testsuite('OptionFEntryPoint')
|
|
class TestEntryPointDefaultsToMainForHlsl(expect.ValidAssemblyFileWithSubstr):
|
|
"""Tests that entry point name defaults to "main" in an HLSL shader."""
|
|
|
|
shader = FileShader(HLSL_VERTEX_SHADER_WITH_MAIN, '.vert')
|
|
glslc_args = ['-x', 'hlsl', '-S', shader]
|
|
expected_assembly_substr = ASSEMBLY_MAIN
|
|
|
|
|
|
@inside_glslc_testsuite('OptionFEntryPoint')
|
|
class TestFEntryPointMainOnGlslShader(expect.ValidAssemblyFileWithSubstr):
|
|
"""Tests -fentry-point=main with a GLSL shader."""
|
|
|
|
shader = FileShader(GLSL_VERTEX_SHADER, '.vert')
|
|
glslc_args = ['-fentry-point=main', '-S', shader]
|
|
expected_assembly_substr = ASSEMBLY_MAIN
|
|
|
|
|
|
@inside_glslc_testsuite('OptionFEntryPoint')
|
|
class TestFEntryPointMainOnHlslShaderNotMatchingSource(expect.ValidObjectFileWithWarning):
|
|
"""Tests -x hlsl on an HLSL shader with -fentry-point=main
|
|
not matching the source."""
|
|
|
|
shader = FileShader(HLSL_VERTEX_SHADER, '.vert')
|
|
glslc_args = ['-x', 'hlsl', '-fentry-point=main', '-c', shader]
|
|
expected_warning = [shader,
|
|
': warning: Linking vertex stage: Entry point not found\n'
|
|
'1 warning generated.\n']
|
|
|
|
|
|
@inside_glslc_testsuite('OptionFEntryPoint')
|
|
class TestFEntryPointSpecifiedOnHlslShaderInDisassembly(expect.ValidObjectFileWithAssemblySubstr):
|
|
"""Tests -x hlsl on an HLSL shader with -fentry-point=EntryPoint
|
|
matching source."""
|
|
|
|
shader = FileShader(HLSL_VERTEX_SHADER, '.vert', assembly_substr=ASSEMBLY_ENTRY_POINT)
|
|
glslc_args = ['-x', 'hlsl', '-fentry-point=EntryPoint', '-c', shader]
|
|
|
|
|
|
@inside_glslc_testsuite('OptionFEntryPoint')
|
|
class TestFEntryPointAffectsSubsequentShaderFiles(expect.ValidObjectFileWithAssemblySubstr):
|
|
"""Tests -x hlsl affects several subsequent shader source files."""
|
|
|
|
shader1 = FileShader(HLSL_VERTEX_SHADER, '.vert', assembly_substr=ASSEMBLY_ENTRY_POINT)
|
|
shader2 = FileShader(HLSL_VERTEX_SHADER, '.vert', assembly_substr=ASSEMBLY_ENTRY_POINT)
|
|
glslc_args = ['-x', 'hlsl', '-fentry-point=EntryPoint', '-c', shader1, shader2]
|
|
|
|
|
|
@inside_glslc_testsuite('OptionFEntryPoint')
|
|
class TestFEntryPointOverridesItself(expect.ValidObjectFileWithAssemblySubstr):
|
|
"""Tests that a later -fentry-point option overrides an earlier use."""
|
|
|
|
shader = FileShader(HLSL_VERTEX_SHADER, '.vert', assembly_substr=ASSEMBLY_ENTRY_POINT)
|
|
glslc_args = ['-x', 'hlsl', '-fentry-point=foobar', '-fentry-point=EntryPoint',
|
|
'-c', shader]
|
|
|
|
|
|
@inside_glslc_testsuite('OptionFEntryPoint')
|
|
class TestFEntryPointDefaultAndTwoOthers(expect.ValidObjectFileWithAssemblySubstr):
|
|
"""Tests three shaders with different entry point names. The first uses "main"
|
|
with default entry point processing, and the remaining shaders get their
|
|
own -fentry-point argument."""
|
|
|
|
shaderMain = FileShader(HLSL_VERTEX_SHADER_WITH_MAIN, '.vert',
|
|
assembly_substr=ASSEMBLY_MAIN)
|
|
shaderEntryPoint = FileShader(HLSL_VERTEX_SHADER, '.vert',
|
|
assembly_substr=ASSEMBLY_ENTRY_POINT)
|
|
shaderFoobar = FileShader(HLSL_VERTEX_SHADER_WITH_FOOBAR, '.vert',
|
|
assembly_substr=ASSEMBLY_FOOBAR)
|
|
glslc_args = ['-x', 'hlsl', '-c', shaderMain,
|
|
'-fentry-point=EntryPoint', shaderEntryPoint,
|
|
'-fentry-point=Foobar', shaderFoobar]
|