596 lines
22 KiB
Python
Executable File
596 lines
22 KiB
Python
Executable File
#!/usr/bin/env python3
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import sys
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import os
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import os.path
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import subprocess
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import tempfile
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import re
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import itertools
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import hashlib
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import shutil
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import argparse
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import codecs
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import json
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import multiprocessing
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import errno
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from functools import partial
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backend = 'glsl'
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args = {}
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def remove_file(path):
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#print('Removing file:', path)
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os.remove(path)
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def create_temporary(suff = ''):
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f, path = tempfile.mkstemp(suffix = suff)
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os.close(f)
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#print('Creating temporary:', path)
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return path
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def parse_stats(stats):
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m = re.search('([0-9]+) work registers', stats)
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registers = int(m.group(1)) if m else 0
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m = re.search('([0-9]+) uniform registers', stats)
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uniform_regs = int(m.group(1)) if m else 0
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m_list = re.findall('(-?[0-9]+)\s+(-?[0-9]+)\s+(-?[0-9]+)', stats)
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alu_short = float(m_list[1][0]) if m_list else 0
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ls_short = float(m_list[1][1]) if m_list else 0
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tex_short = float(m_list[1][2]) if m_list else 0
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alu_long = float(m_list[2][0]) if m_list else 0
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ls_long = float(m_list[2][1]) if m_list else 0
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tex_long = float(m_list[2][2]) if m_list else 0
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return (registers, uniform_regs, alu_short, ls_short, tex_short, alu_long, ls_long, tex_long)
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def get_shader_type(shader):
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_, ext = os.path.splitext(shader)
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if ext == '.vert':
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return '--vertex'
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elif ext == '.frag':
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return '--fragment'
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elif ext == '.comp':
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return '--compute'
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elif ext == '.tesc':
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return '--tessellation_control'
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elif ext == '.tese':
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return '--tessellation_evaluation'
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elif ext == '.geom':
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return '--geometry'
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else:
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return ''
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def get_shader_stats(shader):
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path = create_temporary()
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p = subprocess.Popen(['malisc', get_shader_type(shader), '--core', 'Mali-T760', '-V', shader], stdout = subprocess.PIPE, stderr = subprocess.PIPE)
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stdout, stderr = p.communicate()
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remove_file(path)
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if p.returncode != 0:
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print(stderr.decode('utf-8'))
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raise OSError('malisc failed')
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p.wait()
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returned = stdout.decode('utf-8')
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return parse_stats(returned)
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def print_msl_compiler_version():
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try:
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subprocess.check_call(['xcrun', '--sdk', 'iphoneos', 'metal', '--version'])
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print('...are the Metal compiler characteristics.\n') # display after so xcrun FNF is silent
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except OSError as e:
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if (e.errno != errno.ENOENT): # Ignore xcrun not found error
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raise
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def validate_shader_msl(shader, opt):
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msl_path = reference_path(shader[0], shader[1], opt)
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msl2 = '.msl2.' in msl_path
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try:
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msl_os = 'macosx'
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# msl_os = 'iphoneos'
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subprocess.check_call(['xcrun', '--sdk', msl_os, 'metal', '-x', 'metal', '-std=osx-metal{}'.format('2.0' if msl2 else '1.2'), '-Werror', '-Wno-unused-variable', msl_path])
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print('Compiled Metal shader: ' + msl_path) # display after so xcrun FNF is silent
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except OSError as oe:
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if (oe.errno != errno.ENOENT): # Ignore xcrun not found error
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raise
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except subprocess.CalledProcessError:
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print('Error compiling Metal shader: ' + msl_path)
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sys.exit(1)
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def cross_compile_msl(shader, spirv, opt):
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msl2 = '.msl2.' in shader
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spirv_path = create_temporary()
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msl_path = create_temporary(os.path.basename(shader))
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if spirv:
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subprocess.check_call(['spirv-as', '-o', spirv_path, shader])
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else:
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subprocess.check_call(['glslangValidator', '--target-env', 'vulkan1.1', '-V', '-o', spirv_path, shader])
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if opt:
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subprocess.check_call(['spirv-opt', '-O', '-o', spirv_path, spirv_path])
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spirv_cross_path = './spirv-cross'
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msl_args = [spirv_cross_path, '--entry', 'main', '--output', msl_path, spirv_path, '--msl']
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if msl2:
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msl_args.append('--msl-version')
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msl_args.append('20000')
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subprocess.check_call(msl_args)
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if not shader_is_invalid_spirv(msl_path):
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subprocess.check_call(['spirv-val', '--target-env', 'vulkan1.1', spirv_path])
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return (spirv_path, msl_path)
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def shader_model_hlsl(shader):
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if '.vert' in shader:
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return '-Tvs_5_1'
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elif '.frag' in shader:
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return '-Tps_5_1'
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elif '.comp' in shader:
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return '-Tcs_5_1'
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else:
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return None
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def shader_to_win_path(shader):
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# It's (very) convenient to be able to run HLSL testing in wine on Unix-likes, so support that.
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try:
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with subprocess.Popen(['winepath', '-w', shader], stdout = subprocess.PIPE, stderr = subprocess.PIPE) as f:
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stdout_data, stderr_data = f.communicate()
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return stdout_data.decode('utf-8')
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except OSError as oe:
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if (oe.errno != errno.ENOENT): # Ignore not found errors
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return shader
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except subprocess.CalledProcessError:
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raise
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return shader
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ignore_fxc = False
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def validate_shader_hlsl(shader):
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subprocess.check_call(['glslangValidator', '-e', 'main', '-D', '--target-env', 'vulkan1.1', '-V', shader])
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is_no_fxc = '.nofxc.' in shader
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global ignore_fxc
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if (not ignore_fxc) and (not args.force_no_external_validation) and (not is_no_fxc):
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try:
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win_path = shader_to_win_path(shader)
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subprocess.check_call(['fxc', '-nologo', shader_model_hlsl(shader), win_path])
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except OSError as oe:
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if (oe.errno != errno.ENOENT): # Ignore not found errors
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raise
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else:
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ignore_fxc = True
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except subprocess.CalledProcessError:
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print('Failed compiling HLSL shader:', shader, 'with FXC.')
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sys.exit(1)
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def shader_to_sm(shader):
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if '.sm60.' in shader:
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return '60'
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elif '.sm51.' in shader:
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return '51'
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elif '.sm20.' in shader:
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return '20'
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else:
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return '50'
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def cross_compile_hlsl(shader, spirv, opt):
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spirv_path = create_temporary()
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hlsl_path = create_temporary(os.path.basename(shader))
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if spirv:
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subprocess.check_call(['spirv-as', '-o', spirv_path, shader])
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else:
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subprocess.check_call(['glslangValidator', '--target-env', 'vulkan1.1', '-V', '-o', spirv_path, shader])
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if opt:
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subprocess.check_call(['spirv-opt', '-O', '-o', spirv_path, spirv_path])
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spirv_cross_path = './spirv-cross'
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sm = shader_to_sm(shader)
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subprocess.check_call([spirv_cross_path, '--entry', 'main', '--output', hlsl_path, spirv_path, '--hlsl-enable-compat', '--hlsl', '--shader-model', sm])
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if not shader_is_invalid_spirv(hlsl_path):
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subprocess.check_call(['spirv-val', '--target-env', 'vulkan1.1', spirv_path])
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validate_shader_hlsl(hlsl_path)
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return (spirv_path, hlsl_path)
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def cross_compile_reflect(shader, spirv, opt):
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spirv_path = create_temporary()
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reflect_path = create_temporary(os.path.basename(shader))
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if spirv:
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subprocess.check_call(['spirv-as', '-o', spirv_path, shader])
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else:
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subprocess.check_call(['glslangValidator', '--target-env', 'vulkan1.1', '-V', '-o', spirv_path, shader])
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if opt:
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subprocess.check_call(['spirv-opt', '-O', '-o', spirv_path, spirv_path])
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spirv_cross_path = './spirv-cross'
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sm = shader_to_sm(shader)
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subprocess.check_call([spirv_cross_path, '--entry', 'main', '--output', reflect_path, spirv_path, '--reflect'])
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return (spirv_path, reflect_path)
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def validate_shader(shader, vulkan):
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if vulkan:
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subprocess.check_call(['glslangValidator', '--target-env', 'vulkan1.1', '-V', shader])
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else:
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subprocess.check_call(['glslangValidator', shader])
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def cross_compile(shader, vulkan, spirv, invalid_spirv, eliminate, is_legacy, flatten_ubo, sso, flatten_dim, opt):
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spirv_path = create_temporary()
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glsl_path = create_temporary(os.path.basename(shader))
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if vulkan or spirv:
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vulkan_glsl_path = create_temporary('vk' + os.path.basename(shader))
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if spirv:
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subprocess.check_call(['spirv-as', '-o', spirv_path, shader])
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else:
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subprocess.check_call(['glslangValidator', '--target-env', 'vulkan1.1', '-V', '-o', spirv_path, shader])
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if opt and (not invalid_spirv):
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subprocess.check_call(['spirv-opt', '-O', '-o', spirv_path, spirv_path])
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if not invalid_spirv:
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subprocess.check_call(['spirv-val', '--target-env', 'vulkan1.1', spirv_path])
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extra_args = []
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if eliminate:
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extra_args += ['--remove-unused-variables']
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if is_legacy:
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extra_args += ['--version', '100', '--es']
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if flatten_ubo:
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extra_args += ['--flatten-ubo']
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if sso:
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extra_args += ['--separate-shader-objects']
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if flatten_dim:
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extra_args += ['--flatten-multidimensional-arrays']
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spirv_cross_path = './spirv-cross'
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# A shader might not be possible to make valid GLSL from, skip validation for this case.
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if not ('nocompat' in glsl_path):
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subprocess.check_call([spirv_cross_path, '--entry', 'main', '--output', glsl_path, spirv_path] + extra_args)
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validate_shader(glsl_path, False)
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else:
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remove_file(glsl_path)
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glsl_path = None
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if vulkan or spirv:
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subprocess.check_call([spirv_cross_path, '--entry', 'main', '--vulkan-semantics', '--output', vulkan_glsl_path, spirv_path] + extra_args)
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validate_shader(vulkan_glsl_path, True)
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# SPIR-V shaders might just want to validate Vulkan GLSL output, we don't always care about the output.
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if not vulkan:
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remove_file(vulkan_glsl_path)
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return (spirv_path, glsl_path, vulkan_glsl_path if vulkan else None)
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def make_unix_newline(buf):
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decoded = codecs.decode(buf, 'utf-8')
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decoded = decoded.replace('\r', '')
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return codecs.encode(decoded, 'utf-8')
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def md5_for_file(path):
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md5 = hashlib.md5()
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with open(path, 'rb') as f:
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for chunk in iter(lambda: make_unix_newline(f.read(8192)), b''):
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md5.update(chunk)
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return md5.digest()
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def make_reference_dir(path):
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base = os.path.dirname(path)
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if not os.path.exists(base):
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os.makedirs(base)
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def reference_path(directory, relpath, opt):
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split_paths = os.path.split(directory)
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reference_dir = os.path.join(split_paths[0], 'reference/' + ('opt/' if opt else ''))
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reference_dir = os.path.join(reference_dir, split_paths[1])
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return os.path.join(reference_dir, relpath)
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def json_ordered(obj):
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if isinstance(obj, dict):
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return sorted((k, json_ordered(v)) for k, v in obj.items())
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if isinstance(obj, list):
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return sorted(json_ordered(x) for x in obj)
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else:
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return obj
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def json_compare(json_a, json_b):
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return json_ordered(json_a) == json_ordered(json_b)
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def regression_check_reflect(shader, json_file, update, keep, opt):
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reference = reference_path(shader[0], shader[1], opt) + '.json'
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joined_path = os.path.join(shader[0], shader[1])
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print('Reference shader reflection path:', reference)
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if os.path.exists(reference):
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actual = ''
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expected = ''
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with open(json_file) as f:
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actual_json = f.read();
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actual = json.loads(actual_json)
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with open(reference) as f:
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expected = json.load(f)
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if (json_compare(actual, expected) != True):
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if update:
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print('Generated reflection json has changed for {}!'.format(reference))
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# If we expect changes, update the reference file.
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if os.path.exists(reference):
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remove_file(reference)
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make_reference_dir(reference)
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shutil.move(json_file, reference)
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else:
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print('Generated reflection json in {} does not match reference {}!'.format(json_file, reference))
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with open(json_file, 'r') as f:
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print('')
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print('Generated:')
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print('======================')
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print(f.read())
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print('======================')
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print('')
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# Otherwise, fail the test. Keep the shader file around so we can inspect.
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if not keep:
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remove_file(json_file)
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sys.exit(1)
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else:
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remove_file(json_file)
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else:
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print('Found new shader {}. Placing generated source code in {}'.format(joined_path, reference))
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make_reference_dir(reference)
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shutil.move(json_file, reference)
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def regression_check(shader, glsl, update, keep, opt):
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reference = reference_path(shader[0], shader[1], opt)
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joined_path = os.path.join(shader[0], shader[1])
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print('Reference shader path:', reference)
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if os.path.exists(reference):
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if md5_for_file(glsl) != md5_for_file(reference):
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if update:
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print('Generated source code has changed for {}!'.format(reference))
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# If we expect changes, update the reference file.
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if os.path.exists(reference):
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remove_file(reference)
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make_reference_dir(reference)
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shutil.move(glsl, reference)
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else:
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print('Generated source code in {} does not match reference {}!'.format(glsl, reference))
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with open(glsl, 'r') as f:
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print('')
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print('Generated:')
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print('======================')
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print(f.read())
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print('======================')
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print('')
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# Otherwise, fail the test. Keep the shader file around so we can inspect.
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if not keep:
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remove_file(glsl)
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sys.exit(1)
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else:
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remove_file(glsl)
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else:
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print('Found new shader {}. Placing generated source code in {}'.format(joined_path, reference))
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make_reference_dir(reference)
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shutil.move(glsl, reference)
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def shader_is_vulkan(shader):
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return '.vk.' in shader
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def shader_is_desktop(shader):
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return '.desktop.' in shader
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def shader_is_eliminate_dead_variables(shader):
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return '.noeliminate.' not in shader
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def shader_is_spirv(shader):
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return '.asm.' in shader
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def shader_is_invalid_spirv(shader):
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return '.invalid.' in shader
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def shader_is_legacy(shader):
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return '.legacy.' in shader
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def shader_is_flatten_ubo(shader):
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return '.flatten.' in shader
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def shader_is_sso(shader):
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return '.sso.' in shader
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def shader_is_flatten_dimensions(shader):
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return '.flatten_dim.' in shader
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def shader_is_noopt(shader):
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return '.noopt.' in shader
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def test_shader(stats, shader, update, keep, opt):
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joined_path = os.path.join(shader[0], shader[1])
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vulkan = shader_is_vulkan(shader[1])
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desktop = shader_is_desktop(shader[1])
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eliminate = shader_is_eliminate_dead_variables(shader[1])
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is_spirv = shader_is_spirv(shader[1])
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invalid_spirv = shader_is_invalid_spirv(shader[1])
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is_legacy = shader_is_legacy(shader[1])
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flatten_ubo = shader_is_flatten_ubo(shader[1])
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sso = shader_is_sso(shader[1])
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flatten_dim = shader_is_flatten_dimensions(shader[1])
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noopt = shader_is_noopt(shader[1])
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print('Testing shader:', joined_path)
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spirv, glsl, vulkan_glsl = cross_compile(joined_path, vulkan, is_spirv, invalid_spirv, eliminate, is_legacy, flatten_ubo, sso, flatten_dim, opt and (not noopt))
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# Only test GLSL stats if we have a shader following GL semantics.
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if stats and (not vulkan) and (not is_spirv) and (not desktop):
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cross_stats = get_shader_stats(glsl)
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if glsl:
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regression_check(shader, glsl, update, keep, opt)
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if vulkan_glsl:
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regression_check((shader[0], shader[1] + '.vk'), vulkan_glsl, update, keep, opt)
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remove_file(spirv)
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if stats and (not vulkan) and (not is_spirv) and (not desktop):
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pristine_stats = get_shader_stats(joined_path)
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a = []
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a.append(shader[1])
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for i in pristine_stats:
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a.append(str(i))
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for i in cross_stats:
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a.append(str(i))
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print(','.join(a), file = stats)
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def test_shader_msl(stats, shader, update, keep, opt):
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joined_path = os.path.join(shader[0], shader[1])
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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, opt and (not noopt))
|
|
regression_check(shader, msl, update, keep, opt)
|
|
|
|
# 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)
|
|
|
|
if not args.force_no_external_validation:
|
|
validate_shader_msl(shader, opt)
|
|
|
|
remove_file(spirv)
|
|
|
|
def test_shader_hlsl(stats, shader, update, keep, opt):
|
|
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, opt and (not noopt))
|
|
regression_check(shader, hlsl, update, keep, opt)
|
|
remove_file(spirv)
|
|
|
|
def test_shader_reflect(stats, shader, update, keep, opt):
|
|
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, opt and (not noopt))
|
|
regression_check_reflect(shader, reflect, update, keep, opt)
|
|
remove_file(spirv)
|
|
|
|
def test_shader_file(relpath, stats, shader_dir, update, keep, opt, backend):
|
|
if backend == 'msl':
|
|
test_shader_msl(stats, (shader_dir, relpath), update, keep, opt)
|
|
elif backend == 'hlsl':
|
|
test_shader_hlsl(stats, (shader_dir, relpath), update, keep, opt)
|
|
elif backend == 'reflect':
|
|
test_shader_reflect(stats, (shader_dir, relpath), update, keep, opt)
|
|
else:
|
|
test_shader(stats, (shader_dir, relpath), update, keep, opt)
|
|
|
|
def test_shaders_helper(stats):
|
|
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:
|
|
pool = multiprocessing.Pool(multiprocessing.cpu_count())
|
|
pool.map(partial(test_shader_file, stats=stats, shader_dir=args.folder, update=args.update, keep=args.keep, opt=args.opt, backend=backend), all_files)
|
|
else:
|
|
for i in all_files:
|
|
test_shader_file(i, stats, args.folder, args.update, args.keep, args.opt, backend)
|
|
|
|
def test_shaders():
|
|
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)
|
|
else:
|
|
test_shaders_helper(None)
|
|
|
|
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('--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',
|
|
action = 'store_true',
|
|
help = 'Execute tests in parallel. Useful for doing regression quickly, but bad for debugging and stat output.')
|
|
|
|
global args
|
|
args = parser.parse_args()
|
|
if not args.folder:
|
|
sys.stderr.write('Need shader folder.\n')
|
|
sys.exit(1)
|
|
|
|
if (args.parallel and (args.malisc or args.force_no_external_validation or args.update)):
|
|
sys.stderr.write('Parallel execution is disabled when using the flags --update, --malisc or --force-no-external-validation\n')
|
|
args.parallel = False
|
|
|
|
if args.msl:
|
|
print_msl_compiler_version()
|
|
|
|
global backend
|
|
if (args.msl or args.metal):
|
|
backend = 'msl'
|
|
elif args.hlsl:
|
|
backend = 'hlsl'
|
|
elif args.reflect:
|
|
backend = 'reflect'
|
|
|
|
test_shaders()
|
|
if args.malisc:
|
|
print('Stats in stats.csv!')
|
|
print('Tests completed!')
|
|
|
|
if __name__ == '__main__':
|
|
main()
|