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test_shaders.py
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test_shaders.py
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#!/usr/bin/env python3
# Copyright 2015-2021 Arm Limited
# SPDX-License-Identifier: Apache-2.0
#
# 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 sys
import os
import os.path
import subprocess
import tempfile
import re
import itertools
import hashlib
import shutil
import argparse
import codecs
import json
import multiprocessing
import errno
from functools import partial
class Paths():
def __init__(self, spirv_cross, glslang, spirv_as, spirv_val, spirv_opt):
self.spirv_cross = spirv_cross
self.glslang = glslang
self.spirv_as = spirv_as
self.spirv_val = spirv_val
self.spirv_opt = spirv_opt
def remove_file(path):
#print('Removing file:', path)
os.remove(path)
def create_temporary(suff = ''):
f, path = tempfile.mkstemp(suffix = suff)
os.close(f)
#print('Creating temporary:', path)
return path
def parse_stats(stats):
m = re.search('([0-9]+) work registers', stats)
registers = int(m.group(1)) if m else 0
m = re.search('([0-9]+) uniform registers', stats)
uniform_regs = int(m.group(1)) if m else 0
m_list = re.findall('(-?[0-9]+)\s+(-?[0-9]+)\s+(-?[0-9]+)', stats)
alu_short = float(m_list[1][0]) if m_list else 0
ls_short = float(m_list[1][1]) if m_list else 0
tex_short = float(m_list[1][2]) if m_list else 0
alu_long = float(m_list[2][0]) if m_list else 0
ls_long = float(m_list[2][1]) if m_list else 0
tex_long = float(m_list[2][2]) if m_list else 0
return (registers, uniform_regs, alu_short, ls_short, tex_short, alu_long, ls_long, tex_long)
def get_shader_type(shader):
_, ext = os.path.splitext(shader)
if ext == '.vert':
return '--vertex'
elif ext == '.frag':
return '--fragment'
elif ext == '.comp':
return '--compute'
elif ext == '.tesc':
return '--tessellation_control'
elif ext == '.tese':
return '--tessellation_evaluation'
elif ext == '.geom':
return '--geometry'
else:
return ''
def get_shader_stats(shader):
path = create_temporary()
p = subprocess.Popen(['malisc', get_shader_type(shader), '--core', 'Mali-T760', '-V', shader], stdout = subprocess.PIPE, stderr = subprocess.PIPE)
stdout, stderr = p.communicate()
remove_file(path)
if p.returncode != 0:
print(stderr.decode('utf-8'))
raise OSError('malisc failed')
p.wait()
returned = stdout.decode('utf-8')
return parse_stats(returned)
def print_msl_compiler_version():
try:
subprocess.check_call(['xcrun', '--sdk', 'iphoneos', 'metal', '--version'])
print('... are the Metal compiler characteristics.\n') # display after so xcrun FNF is silent
except OSError as e:
if (e.errno != errno.ENOENT): # Ignore xcrun not found error
raise
print('Metal SDK is not present.\n')
except subprocess.CalledProcessError:
pass
def msl_compiler_supports_version(version):
try:
subprocess.check_call(['xcrun', '--sdk', 'macosx', 'metal', '-x', 'metal', version, '-'],
stdin = subprocess.DEVNULL, stdout = subprocess.DEVNULL, stderr = subprocess.DEVNULL)
print('Current SDK supports MSL {0}. Enabling validation for MSL {0} shaders.'.format(version))
return True
except OSError as e:
print('Failed to check if MSL {} is not supported. It probably is not.'.format(version))
return False
except subprocess.CalledProcessError:
print('Current SDK does NOT support MSL {0}. Disabling validation for MSL {0} shaders.'.format(version))
return False
def path_to_msl_standard(shader):
if '.ios.' in shader:
if '.msl3.' in shader:
return '-std=metal3.0'
elif '.msl2.' in shader:
return '-std=ios-metal2.0'
elif '.msl21.' in shader:
return '-std=ios-metal2.1'
elif '.msl22.' in shader:
return '-std=ios-metal2.2'
elif '.msl23.' in shader:
return '-std=ios-metal2.3'
elif '.msl24.' in shader:
return '-std=ios-metal2.4'
elif '.msl11.' in shader:
return '-std=ios-metal1.1'
elif '.msl10.' in shader:
return '-std=ios-metal1.0'
else:
return '-std=ios-metal1.2'
else:
if '.msl3.' in shader:
return '-std=metal3.0'
elif '.msl2.' in shader:
return '-std=macos-metal2.0'
elif '.msl21.' in shader:
return '-std=macos-metal2.1'
elif '.msl22.' in shader:
return '-std=macos-metal2.2'
elif '.msl23.' in shader:
return '-std=macos-metal2.3'
elif '.msl24.' in shader:
return '-std=macos-metal2.4'
elif '.msl11.' in shader:
return '-std=macos-metal1.1'
else:
return '-std=macos-metal1.2'
def path_to_msl_standard_cli(shader):
if '.msl3.' in shader:
return '30000'
elif '.msl2.' in shader:
return '20000'
elif '.msl21.' in shader:
return '20100'
elif '.msl22.' in shader:
return '20200'
elif '.msl23.' in shader:
return '20300'
elif '.msl24.' in shader:
return '20400'
elif '.msl11.' in shader:
return '10100'
else:
return '10200'
def validate_shader_msl(shader, opt):
msl_path = reference_path(shader[0], shader[1], opt)
try:
if '.ios.' in msl_path:
msl_os = 'iphoneos'
else:
msl_os = 'macosx'
subprocess.check_call(['xcrun', '--sdk', msl_os, 'metal', '-x', 'metal', path_to_msl_standard(msl_path), '-Werror', '-Wno-unused-variable', msl_path])
print('Compiled Metal shader: ' + msl_path) # display after so xcrun FNF is silent
except OSError as oe:
if (oe.errno != errno.ENOENT): # Ignore xcrun not found error
raise
except subprocess.CalledProcessError:
print('Error compiling Metal shader: ' + msl_path)
raise RuntimeError('Failed to compile Metal shader')
def cross_compile_msl(shader, spirv, opt, iterations, paths):
spirv_path = create_temporary()
msl_path = create_temporary(os.path.basename(shader))
spirv_16 = '.spv16.' in shader
spirv_14 = '.spv14.' in shader
if spirv_16:
spirv_env = 'spv1.6'
glslang_env = 'spirv1.6'
elif spirv_14:
spirv_env = 'vulkan1.1spv1.4'
glslang_env = 'spirv1.4'
else:
spirv_env = 'vulkan1.1'
glslang_env = 'vulkan1.1'
spirv_cmd = [paths.spirv_as, '--preserve-numeric-ids', '--target-env', spirv_env, '-o', spirv_path, shader]
if '.preserve.' in shader:
spirv_cmd.append('--preserve-numeric-ids')
if spirv:
subprocess.check_call(spirv_cmd)
else:
subprocess.check_call([paths.glslang, '--amb' ,'--target-env', glslang_env, '-V', '-o', spirv_path, shader])
if opt and (not shader_is_invalid_spirv(shader)):
if '.graphics-robust-access.' in shader:
subprocess.check_call([paths.spirv_opt, '--skip-validation', '-O', '--graphics-robust-access', '-o', spirv_path, spirv_path])
else:
subprocess.check_call([paths.spirv_opt, '--skip-validation', '-O', '-o', spirv_path, spirv_path])
spirv_cross_path = paths.spirv_cross
msl_args = [spirv_cross_path, '--output', msl_path, spirv_path, '--msl', '--iterations', str(iterations)]
msl_args.append('--msl-version')
msl_args.append(path_to_msl_standard_cli(shader))
if not '.nomain.' in shader:
msl_args.append('--entry')
msl_args.append('main')
if '.swizzle.' in shader:
msl_args.append('--msl-swizzle-texture-samples')
if '.ios.' in shader:
msl_args.append('--msl-ios')
if '.pad-fragment.' in shader:
msl_args.append('--msl-pad-fragment-output')
if '.capture.' in shader:
msl_args.append('--msl-capture-output')
if '.domain.' in shader:
msl_args.append('--msl-domain-lower-left')
if '.argument.' in shader:
msl_args.append('--msl-argument-buffers')
if '.argument-tier-1.' in shader:
msl_args.append('--msl-argument-buffer-tier')
msl_args.append('1')
if '.texture-buffer-native.' in shader:
msl_args.append('--msl-texture-buffer-native')
if '.framebuffer-fetch.' in shader:
msl_args.append('--msl-framebuffer-fetch')
if '.invariant-float-math.' in shader:
msl_args.append('--msl-invariant-float-math')
if '.emulate-cube-array.' in shader:
msl_args.append('--msl-emulate-cube-array')
if '.discrete.' in shader:
# Arbitrary for testing purposes.
msl_args.append('--msl-discrete-descriptor-set')
msl_args.append('2')
msl_args.append('--msl-discrete-descriptor-set')
msl_args.append('3')
if '.force-active.' in shader:
msl_args.append('--msl-force-active-argument-buffer-resources')
if '.line.' in shader:
msl_args.append('--emit-line-directives')
if '.multiview.' in shader:
msl_args.append('--msl-multiview')
if '.no-layered.' in shader:
msl_args.append('--msl-multiview-no-layered-rendering')
if '.viewfromdev.' in shader:
msl_args.append('--msl-view-index-from-device-index')
if '.dispatchbase.' in shader:
msl_args.append('--msl-dispatch-base')
if '.dynamic-buffer.' in shader:
# Arbitrary for testing purposes.
msl_args.append('--msl-dynamic-buffer')
msl_args.append('0')
msl_args.append('0')
msl_args.append('--msl-dynamic-buffer')
msl_args.append('1')
msl_args.append('2')
if '.inline-block.' in shader:
# Arbitrary for testing purposes.
msl_args.append('--msl-inline-uniform-block')
msl_args.append('0')
msl_args.append('0')
if '.device-argument-buffer.' in shader:
msl_args.append('--msl-device-argument-buffer')
msl_args.append('0')
msl_args.append('--msl-device-argument-buffer')
msl_args.append('1')
if '.force-native-array.' in shader:
msl_args.append('--msl-force-native-arrays')
if '.zero-initialize.' in shader:
msl_args.append('--force-zero-initialized-variables')
if '.frag-output.' in shader:
# Arbitrary for testing purposes.
msl_args.append('--msl-disable-frag-depth-builtin')
msl_args.append('--msl-disable-frag-stencil-ref-builtin')
msl_args.append('--msl-enable-frag-output-mask')
msl_args.append('0x000000ca')
if '.no-user-varying.' in shader:
msl_args.append('--msl-no-clip-distance-user-varying')
if '.shader-inputs.' in shader:
# Arbitrary for testing purposes.
msl_args.append('--msl-shader-input')
msl_args.append('0')
msl_args.append('u8')
msl_args.append('2')
msl_args.append('--msl-shader-input')
msl_args.append('1')
msl_args.append('u16')
msl_args.append('3')
msl_args.append('--msl-shader-input')
msl_args.append('6')
msl_args.append('other')
msl_args.append('4')
if '.multi-patch.' in shader:
msl_args.append('--msl-multi-patch-workgroup')
# Arbitrary for testing purposes.
msl_args.append('--msl-shader-input')
msl_args.append('0')
msl_args.append('any32')
msl_args.append('3')
msl_args.append('--msl-shader-input')
msl_args.append('1')
msl_args.append('any16')
msl_args.append('2')
if '.raw-tess-in.' in shader:
msl_args.append('--msl-raw-buffer-tese-input')
if '.for-tess.' in shader:
msl_args.append('--msl-vertex-for-tessellation')
if '.fixed-sample-mask.' in shader:
msl_args.append('--msl-additional-fixed-sample-mask')
msl_args.append('0x00000022')
if '.arrayed-subpass.' in shader:
msl_args.append('--msl-arrayed-subpass-input')
if '.1d-as-2d.' in shader:
msl_args.append('--msl-texture-1d-as-2d')
if '.simd.' in shader:
msl_args.append('--msl-ios-use-simdgroup-functions')
if '.emulate-subgroup.' in shader:
msl_args.append('--msl-emulate-subgroups')
if '.fixed-subgroup.' in shader:
# Arbitrary for testing purposes.
msl_args.append('--msl-fixed-subgroup-size')
msl_args.append('32')
if '.force-sample.' in shader:
msl_args.append('--msl-force-sample-rate-shading')
if '.discard-checks.' in shader:
msl_args.append('--msl-check-discarded-frag-stores')
if '.lod-as-grad.' in shader:
msl_args.append('--msl-sample-dref-lod-array-as-grad')
if '.decoration-binding.' in shader:
msl_args.append('--msl-decoration-binding')
if '.rich-descriptor.' in shader:
msl_args.append('--msl-runtime-array-rich-descriptor')
if '.mask-location-0.' in shader:
msl_args.append('--mask-stage-output-location')
msl_args.append('0')
msl_args.append('0')
if '.mask-location-1.' in shader:
msl_args.append('--mask-stage-output-location')
msl_args.append('1')
msl_args.append('0')
if '.mask-position.' in shader:
msl_args.append('--mask-stage-output-builtin')
msl_args.append('Position')
if '.mask-point-size.' in shader:
msl_args.append('--mask-stage-output-builtin')
msl_args.append('PointSize')
if '.mask-clip-distance.' in shader:
msl_args.append('--mask-stage-output-builtin')
msl_args.append('ClipDistance')
if '.relax-nan.' in shader:
msl_args.append('--relax-nan-checks')
subprocess.check_call(msl_args)
if not shader_is_invalid_spirv(msl_path):
subprocess.check_call([paths.spirv_val, '--allow-localsizeid', '--scalar-block-layout', '--target-env', spirv_env, spirv_path])
return (spirv_path, msl_path)
def shader_model_hlsl(shader):
if '.vert' in shader:
if '.sm30.' in shader:
return '-Tvs_3_0'
else:
return '-Tvs_5_1'
elif '.frag' in shader:
if '.sm30.' in shader:
return '-Tps_3_0'
else:
return '-Tps_5_1'
elif '.comp' in shader:
return '-Tcs_5_1'
elif '.mesh' in shader:
return '-Tms_6_5'
elif '.task' in shader:
return '-Tas_6_5'
else:
return None
def shader_to_win_path(shader):
# It's (very) convenient to be able to run HLSL testing in wine on Unix-likes, so support that.
try:
with subprocess.Popen(['winepath', '-w', shader], stdout = subprocess.PIPE, stderr = subprocess.PIPE) as f:
stdout_data, stderr_data = f.communicate()
return stdout_data.decode('utf-8')
except OSError as oe:
if (oe.errno != errno.ENOENT): # Ignore not found errors
return shader
except subprocess.CalledProcessError:
raise
return shader
ignore_fxc = False
def validate_shader_hlsl(shader, force_no_external_validation, paths):
test_glslang = True
if '.nonuniformresource.' in shader:
test_glslang = False
if '.fxconly.' in shader:
test_glslang = False
if '.task' in shader or '.mesh' in shader:
test_glslang = False
hlsl_args = [paths.glslang, '--amb', '-e', 'main', '-D', '--target-env', 'vulkan1.1', '-V', shader]
if '.sm30.' in shader:
hlsl_args.append('--hlsl-dx9-compatible')
if test_glslang:
subprocess.check_call(hlsl_args)
is_no_fxc = '.nofxc.' in shader
global ignore_fxc
if (not ignore_fxc) and (not force_no_external_validation) and (not is_no_fxc):
try:
win_path = shader_to_win_path(shader)
args = ['fxc', '-nologo', shader_model_hlsl(shader), win_path]
if '.nonuniformresource.' in shader:
args.append('/enable_unbounded_descriptor_tables')
subprocess.check_call(args)
except OSError as oe:
if (oe.errno != errno.ENOENT): # Ignore not found errors
print('Failed to run FXC.')
ignore_fxc = True
raise
else:
print('Could not find FXC.')
ignore_fxc = True
except subprocess.CalledProcessError:
print('Failed compiling HLSL shader:', shader, 'with FXC.')
raise RuntimeError('Failed compiling HLSL shader')
def shader_to_sm(shader):
if '.sm62.' in shader:
return '62'
elif '.sm60.' in shader:
return '60'
elif '.sm51.' in shader:
return '51'
elif '.sm30.' in shader:
return '30'
else:
return '50'
def cross_compile_hlsl(shader, spirv, opt, force_no_external_validation, iterations, paths):
spirv_path = create_temporary()
hlsl_path = create_temporary(os.path.basename(shader))
spirv_16 = '.spv16.' in shader
spirv_14 = '.spv14.' in shader
if spirv_16:
spirv_env = 'spv1.6'
glslang_env = 'spirv1.6'
elif spirv_14:
spirv_env = 'vulkan1.1spv1.4'
glslang_env = 'spirv1.4'
else:
spirv_env = 'vulkan1.1'
glslang_env = 'vulkan1.1'
spirv_cmd = [paths.spirv_as, '--preserve-numeric-ids', '--target-env', spirv_env, '-o', spirv_path, shader]
if '.preserve.' in shader:
spirv_cmd.append('--preserve-numeric-ids')
if spirv:
subprocess.check_call(spirv_cmd)
else:
subprocess.check_call([paths.glslang, '--amb', '--target-env', glslang_env, '-V', '-o', spirv_path, shader])
if opt and (not shader_is_invalid_spirv(hlsl_path)):
subprocess.check_call([paths.spirv_opt, '--skip-validation', '-O', '-o', spirv_path, spirv_path])
spirv_cross_path = paths.spirv_cross
sm = shader_to_sm(shader)
hlsl_args = [spirv_cross_path, '--entry', 'main', '--output', hlsl_path, spirv_path, '--hlsl-enable-compat', '--hlsl', '--shader-model', sm, '--iterations', str(iterations)]
if '.line.' in shader:
hlsl_args.append('--emit-line-directives')
if '.flatten.' in shader:
hlsl_args.append('--flatten-ubo')
if '.force-uav.' in shader:
hlsl_args.append('--hlsl-force-storage-buffer-as-uav')
if '.zero-initialize.' in shader:
hlsl_args.append('--force-zero-initialized-variables')
if '.nonwritable-uav-texture.' in shader:
hlsl_args.append('--hlsl-nonwritable-uav-texture-as-srv')
if '.native-16bit.' in shader:
hlsl_args.append('--hlsl-enable-16bit-types')
if '.flatten-matrix-vertex-input.' in shader:
hlsl_args.append('--hlsl-flatten-matrix-vertex-input-semantics')
if '.relax-nan.' in shader:
hlsl_args.append('--relax-nan-checks')
if '.structured.' in shader:
hlsl_args.append('--hlsl-preserve-structured-buffers')
if '.flip-vert-y.' in shader:
hlsl_args.append('--flip-vert-y')
subprocess.check_call(hlsl_args)
if not shader_is_invalid_spirv(hlsl_path):
subprocess.check_call([paths.spirv_val, '--allow-localsizeid', '--scalar-block-layout', '--target-env', spirv_env, spirv_path])
validate_shader_hlsl(hlsl_path, force_no_external_validation, paths)
return (spirv_path, hlsl_path)
def cross_compile_reflect(shader, spirv, opt, iterations, paths):
spirv_path = create_temporary()
reflect_path = create_temporary(os.path.basename(shader))
spirv_cmd = [paths.spirv_as, '--preserve-numeric-ids', '--target-env', 'vulkan1.1', '-o', spirv_path, shader]
if '.preserve.' in shader:
spirv_cmd.append('--preserve-numeric-ids')
if spirv:
subprocess.check_call(spirv_cmd)
else:
subprocess.check_call([paths.glslang, '--amb', '--target-env', 'vulkan1.1', '-V', '-o', spirv_path, shader])
if opt and (not shader_is_invalid_spirv(reflect_path)):
subprocess.check_call([paths.spirv_opt, '--skip-validation', '-O', '-o', spirv_path, spirv_path])
spirv_cross_path = paths.spirv_cross
sm = shader_to_sm(shader)
subprocess.check_call([spirv_cross_path, '--entry', 'main', '--output', reflect_path, spirv_path, '--reflect', '--iterations', str(iterations)])
return (spirv_path, reflect_path)
def validate_shader(shader, vulkan, paths):
if vulkan:
spirv_14 = '.spv14.' in shader
glslang_env = 'spirv1.4' if spirv_14 else 'vulkan1.1'
subprocess.check_call([paths.glslang, '--amb', '--target-env', glslang_env, '-V', shader])
else:
subprocess.check_call([paths.glslang, shader])
def cross_compile(shader, vulkan, spirv, invalid_spirv, eliminate, is_legacy, force_es, flatten_ubo, sso, flatten_dim, opt, push_ubo, iterations, paths):
spirv_path = create_temporary()
glsl_path = create_temporary(os.path.basename(shader))
spirv_16 = '.spv16.' in shader
spirv_14 = '.spv14.' in shader
if spirv_16:
spirv_env = 'spv1.6'
glslang_env = 'spirv1.6'
elif spirv_14:
spirv_env = 'vulkan1.1spv1.4'
glslang_env = 'spirv1.4'
else:
spirv_env = 'vulkan1.1'
glslang_env = 'vulkan1.1'
if vulkan or spirv:
vulkan_glsl_path = create_temporary('vk' + os.path.basename(shader))
spirv_cmd = [paths.spirv_as, '--preserve-numeric-ids', '--target-env', spirv_env, '-o', spirv_path, shader]
if '.preserve.' in shader:
spirv_cmd.append('--preserve-numeric-ids')
if spirv:
subprocess.check_call(spirv_cmd)
else:
glslang_cmd = [paths.glslang, '--amb', '--target-env', glslang_env, '-V', '-o', spirv_path, shader]
if '.g.' in shader:
glslang_cmd.append('-g')
if '.gV.' in shader:
glslang_cmd.append('-gV')
subprocess.check_call(glslang_cmd)
if opt and (not invalid_spirv):
subprocess.check_call([paths.spirv_opt, '--skip-validation', '-O', '-o', spirv_path, spirv_path])
if not invalid_spirv:
subprocess.check_call([paths.spirv_val, '--allow-localsizeid', '--scalar-block-layout', '--target-env', spirv_env, spirv_path])
extra_args = ['--iterations', str(iterations)]
if eliminate:
extra_args += ['--remove-unused-variables']
if is_legacy:
extra_args += ['--version', '100', '--es']
if force_es:
extra_args += ['--version', '310', '--es']
if flatten_ubo:
extra_args += ['--flatten-ubo']
if sso:
extra_args += ['--separate-shader-objects']
if flatten_dim:
extra_args += ['--flatten-multidimensional-arrays']
if push_ubo:
extra_args += ['--glsl-emit-push-constant-as-ubo']
if '.line.' in shader:
extra_args += ['--emit-line-directives']
if '.no-samplerless.' in shader:
extra_args += ['--vulkan-glsl-disable-ext-samplerless-texture-functions']
if '.no-qualifier-deduction.' in shader:
extra_args += ['--disable-storage-image-qualifier-deduction']
if '.framebuffer-fetch.' in shader:
extra_args += ['--glsl-remap-ext-framebuffer-fetch', '0', '0']
extra_args += ['--glsl-remap-ext-framebuffer-fetch', '1', '1']
extra_args += ['--glsl-remap-ext-framebuffer-fetch', '2', '2']
extra_args += ['--glsl-remap-ext-framebuffer-fetch', '3', '3']
if '.framebuffer-fetch-noncoherent.' in shader:
extra_args += ['--glsl-ext-framebuffer-fetch-noncoherent']
if '.zero-initialize.' in shader:
extra_args += ['--force-zero-initialized-variables']
if '.force-flattened-io.' in shader:
extra_args += ['--glsl-force-flattened-io-blocks']
if '.relax-nan.' in shader:
extra_args.append('--relax-nan-checks')
spirv_cross_path = paths.spirv_cross
# A shader might not be possible to make valid GLSL from, skip validation for this case.
if (not ('nocompat' in glsl_path)) or (not vulkan):
subprocess.check_call([spirv_cross_path, '--entry', 'main', '--output', glsl_path, spirv_path] + extra_args)
if not 'nocompat' in glsl_path:
validate_shader(glsl_path, False, paths)
else:
remove_file(glsl_path)
glsl_path = None
if (vulkan or spirv) and (not is_legacy):
subprocess.check_call([spirv_cross_path, '--entry', 'main', '-V', '--output', vulkan_glsl_path, spirv_path] + extra_args)
validate_shader(vulkan_glsl_path, True, paths)
# SPIR-V shaders might just want to validate Vulkan GLSL output, we don't always care about the output.
if not vulkan:
remove_file(vulkan_glsl_path)
return (spirv_path, glsl_path, vulkan_glsl_path if vulkan else None)
def make_unix_newline(buf):
decoded = codecs.decode(buf, 'utf-8')
decoded = decoded.replace('\r', '')
return codecs.encode(decoded, 'utf-8')
def md5_for_file(path):
md5 = hashlib.md5()
with open(path, 'rb') as f:
for chunk in iter(lambda: make_unix_newline(f.read(8192)), b''):
md5.update(chunk)
return md5.digest()
def make_reference_dir(path):
base = os.path.dirname(path)
if not os.path.exists(base):
os.makedirs(base)
def reference_path(directory, relpath, opt):
split_paths = os.path.split(directory)
reference_dir = os.path.join(split_paths[0], 'reference/' + ('opt/' if opt else ''))
reference_dir = os.path.join(reference_dir, split_paths[1])
return os.path.join(reference_dir, relpath)
def regression_check_reflect(shader, json_file, args):
reference = reference_path(shader[0], shader[1], args.opt) + '.json'
joined_path = os.path.join(shader[0], shader[1])
print('Reference shader reflection path:', reference)
if os.path.exists(reference):
actual = md5_for_file(json_file)
expected = md5_for_file(reference)
if actual != expected:
if args.update:
print('Generated reflection json has changed for {}!'.format(reference))
# If we expect changes, update the reference file.
if os.path.exists(reference):
remove_file(reference)
make_reference_dir(reference)
shutil.move(json_file, reference)
else:
print('Generated reflection json in {} does not match reference {}!'.format(json_file, reference))
if args.diff:
diff_path = generate_diff_file(reference, glsl)
with open(diff_path, 'r') as f:
print('')
print('Diff:')
print(f.read())
print('')
remove_file(diff_path)
else:
with open(json_file, 'r') as f:
print('')
print('Generated:')
print('======================')
print(f.read())
print('======================')
print('')
# Otherwise, fail the test. Keep the shader file around so we can inspect.
if not args.keep:
remove_file(json_file)
raise RuntimeError('Does not match reference')
else:
remove_file(json_file)
else:
print('Found new shader {}. Placing generated source code in {}'.format(joined_path, reference))
make_reference_dir(reference)
shutil.move(json_file, reference)
def generate_diff_file(origin, generated):
diff_destination = create_temporary()
with open(diff_destination, "w") as f:
try:
subprocess.check_call(["diff", origin, generated], stdout=f)
except subprocess.CalledProcessError as e:
# diff returns 1 when the files are different so we can safely
# ignore this case.
if e.returncode != 1:
raise e
return diff_destination
def regression_check(shader, glsl, args):
reference = reference_path(shader[0], shader[1], args.opt)
joined_path = os.path.join(shader[0], shader[1])
print('Reference shader path:', reference)
if os.path.exists(reference):
if md5_for_file(glsl) != md5_for_file(reference):
if args.update:
print('Generated source code has changed for {}!'.format(reference))
# If we expect changes, update the reference file.
if os.path.exists(reference):
remove_file(reference)
make_reference_dir(reference)
shutil.move(glsl, reference)
else:
print('Generated source code in {} does not match reference {}!'.format(glsl, reference))
if args.diff:
diff_path = generate_diff_file(reference, glsl)
with open(diff_path, 'r') as f:
print('')
print('Diff:')
print(f.read())
print('')
remove_file(diff_path)
else:
with open(glsl, 'r') as f:
print('')
print('Generated:')
print('======================')
print(f.read())
print('======================')
print('')
# Otherwise, fail the test. Keep the shader file around so we can inspect.
if not args.keep:
remove_file(glsl)
raise RuntimeError('Does not match reference')
else:
remove_file(glsl)
else:
print('Found new shader {}. Placing generated source code in {}'.format(joined_path, reference))
make_reference_dir(reference)
shutil.move(glsl, reference)
def shader_is_vulkan(shader):
return '.vk.' in shader
def shader_is_desktop(shader):
return '.desktop.' in shader
def shader_is_eliminate_dead_variables(shader):
return '.noeliminate.' not in shader
def shader_is_spirv(shader):
return '.asm.' in shader
def shader_is_invalid_spirv(shader):
return '.invalid.' in shader
def shader_is_legacy(shader):
return '.legacy.' in shader
def shader_is_force_es(shader):
return '.es.' in shader
def shader_is_flatten_ubo(shader):
return '.flatten.' in shader
def shader_is_sso(shader):
return '.sso.' in shader
def shader_is_flatten_dimensions(shader):
return '.flatten_dim.' in shader
def shader_is_noopt(shader):
return '.noopt.' in shader
def shader_is_push_ubo(shader):
return '.push-ubo.' in shader
def test_shader(stats, shader, args, paths):
joined_path = os.path.join(shader[0], shader[1])
vulkan = shader_is_vulkan(shader[1])
desktop = shader_is_desktop(shader[1])
eliminate = shader_is_eliminate_dead_variables(shader[1])
is_spirv = shader_is_spirv(shader[1])
invalid_spirv = shader_is_invalid_spirv(shader[1])
is_legacy = shader_is_legacy(shader[1])
force_es = shader_is_force_es(shader[1])
flatten_ubo = shader_is_flatten_ubo(shader[1])
sso = shader_is_sso(shader[1])
flatten_dim = shader_is_flatten_dimensions(shader[1])
noopt = shader_is_noopt(shader[1])
push_ubo = shader_is_push_ubo(shader[1])
print('Testing shader:', joined_path)
spirv, glsl, vulkan_glsl = cross_compile(joined_path, vulkan, is_spirv, invalid_spirv, eliminate, is_legacy, force_es, flatten_ubo, sso, flatten_dim, args.opt and (not noopt), push_ubo, args.iterations, paths)
# Only test GLSL stats if we have a shader following GL semantics.
if stats and (not vulkan) and (not is_spirv) and (not desktop):
cross_stats = get_shader_stats(glsl)
if glsl:
regression_check(shader, glsl, args)
if vulkan_glsl:
regression_check((shader[0], shader[1] + '.vk'), vulkan_glsl, args)
remove_file(spirv)
if stats and (not vulkan) and (not is_spirv) and (not desktop):
pristine_stats = get_shader_stats(joined_path)
a = []
a.append(shader[1])
for i in pristine_stats:
a.append(str(i))
for i in cross_stats:
a.append(str(i))
print(','.join(a), file = stats)
def test_shader_msl(stats, shader, args, paths):
joined_path = os.path.join(shader[0], shader[1])
print('\nTesting MSL shader:', joined_path)
is_spirv = shader_is_spirv(shader[1])
noopt = shader_is_noopt(shader[1])
spirv, msl = cross_compile_msl(joined_path, is_spirv, args.opt and (not noopt), args.iterations, paths)
regression_check(shader, msl, args)
# Uncomment the following line to print the temp SPIR-V file path.
# This temp SPIR-V file is not deleted until after the Metal validation step below.
# If Metal validation fails, the temp SPIR-V file can be copied out and
# used as input to an invocation of spirv-cross to debug from Xcode directly.
# To do so, build spriv-cross using `make DEBUG=1`, then run the spriv-cross
# executable from Xcode using args: `--msl --entry main --output msl_path spirv_path`.
# print('SPRIV shader: ' + spirv)
shader_is_msl22 = 'msl22' in joined_path
shader_is_msl23 = 'msl23' in joined_path
shader_is_msl24 = 'msl24' in joined_path
skip_validation = (shader_is_msl22 and (not args.msl22)) or (shader_is_msl23 and (not args.msl23)) or (shader_is_msl24 and (not args.msl24))
if '.invalid.' in joined_path:
skip_validation = True
if (not args.force_no_external_validation) and (not skip_validation):
validate_shader_msl(shader, args.opt)
remove_file(spirv)
def test_shader_hlsl(stats, shader, args, paths):
joined_path = os.path.join(shader[0], shader[1])
print('Testing HLSL shader:', joined_path)
is_spirv = shader_is_spirv(shader[1])
noopt = shader_is_noopt(shader[1])
spirv, hlsl = cross_compile_hlsl(joined_path, is_spirv, args.opt and (not noopt), args.force_no_external_validation, args.iterations, paths)
regression_check(shader, hlsl, args)
remove_file(spirv)
def test_shader_reflect(stats, shader, args, paths):
joined_path = os.path.join(shader[0], shader[1])
print('Testing shader reflection:', joined_path)
is_spirv = shader_is_spirv(shader[1])
noopt = shader_is_noopt(shader[1])
spirv, reflect = cross_compile_reflect(joined_path, is_spirv, args.opt and (not noopt), args.iterations, paths)
regression_check_reflect(shader, reflect, args)
remove_file(spirv)
def test_shader_file(relpath, stats, args, backend):
paths = Paths(args.spirv_cross, args.glslang, args.spirv_as, args.spirv_val, args.spirv_opt)
try:
if backend == 'msl':
test_shader_msl(stats, (args.folder, relpath), args, paths)
elif backend == 'hlsl':
test_shader_hlsl(stats, (args.folder, relpath), args, paths)
elif backend == 'reflect':
test_shader_reflect(stats, (args.folder, relpath), args, paths)
else:
test_shader(stats, (args.folder, relpath), args, paths)
return None
except Exception as e:
return e
def test_shaders_helper(stats, backend, args):
all_files = []
for root, dirs, files in os.walk(os.path.join(args.folder)):
files = [ f for f in files if not f.startswith(".") ] #ignore system files (esp OSX)
for i in files:
path = os.path.join(root, i)
relpath = os.path.relpath(path, args.folder)
all_files.append(relpath)
# The child processes in parallel execution mode don't have the proper state for the global args variable, so
# at this point we need to switch to explicit arguments
if args.parallel:
with multiprocessing.Pool(multiprocessing.cpu_count()) as pool:
results = []
for f in all_files:
results.append(pool.apply_async(test_shader_file,
args = (f, stats, args, backend)))
pool.close()
pool.join()
results_completed = [res.get() for res in results]
for error in results_completed:
if error is not None:
print('Error:', error)
sys.exit(1)
else:
for i in all_files:
e = test_shader_file(i, stats, args, backend)
if e is not None:
print('Error:', e)
sys.exit(1)
def test_shaders(backend, args):
if args.malisc:
with open('stats.csv', 'w') as stats:
print('Shader,OrigRegs,OrigUniRegs,OrigALUShort,OrigLSShort,OrigTEXShort,OrigALULong,OrigLSLong,OrigTEXLong,CrossRegs,CrossUniRegs,CrossALUShort,CrossLSShort,CrossTEXShort,CrossALULong,CrossLSLong,CrossTEXLong', file = stats)
test_shaders_helper(stats, backend, args)
else:
test_shaders_helper(None, backend, args)
def main():
parser = argparse.ArgumentParser(description = 'Script for regression testing.')
parser.add_argument('folder',
help = 'Folder containing shader files to test.')
parser.add_argument('--update',
action = 'store_true',
help = 'Updates reference files if there is a mismatch. Use when legitimate changes in output is found.')
parser.add_argument('--keep',
action = 'store_true',
help = 'Leave failed GLSL shaders on disk if they fail regression. Useful for debugging.')
parser.add_argument('--diff',
action = 'store_true',
help = 'Displays a diff instead of the generated output on failure. Useful for debugging.')
parser.add_argument('--malisc',
action = 'store_true',
help = 'Use malisc offline compiler to determine static cycle counts before and after spirv-cross.')
parser.add_argument('--msl',
action = 'store_true',
help = 'Test Metal backend.')
parser.add_argument('--metal',
action = 'store_true',
help = 'Deprecated Metal option. Use --msl instead.')
parser.add_argument('--hlsl',
action = 'store_true',
help = 'Test HLSL backend.')
parser.add_argument('--force-no-external-validation',
action = 'store_true',
help = 'Disable all external validation.')
parser.add_argument('--opt',
action = 'store_true',
help = 'Run SPIRV-Tools optimization passes as well.')
parser.add_argument('--reflect',
action = 'store_true',
help = 'Test reflection backend.')
parser.add_argument('--parallel',