| #!/usr/bin/env python3 |
| |
| import sys |
| import os |
| import os.path |
| import subprocess |
| import tempfile |
| import re |
| import itertools |
| import hashlib |
| import shutil |
| import argparse |
| import codecs |
| |
| force_no_external_validation = False |
| |
| 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): |
| f, path = tempfile.mkstemp() |
| |
| os.close(f) |
| p = subprocess.Popen(['malisc', get_shader_type(shader), '--core', 'Mali-T760', '-V', shader], stdout = subprocess.PIPE, stderr = subprocess.PIPE) |
| stdout, stderr = p.communicate() |
| os.remove(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 != os.errno.ENOENT): # Ignore xcrun not found error |
| raise |
| |
| def validate_shader_msl(shader, opt): |
| msl_path = reference_path(shader[0], shader[1], opt) |
| msl2 = '.msl2.' in msl_path |
| try: |
| msl_os = 'macosx' |
| # msl_os = 'iphoneos' |
| 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]) |
| print('Compiled Metal shader: ' + msl_path) # display after so xcrun FNF is silent |
| except OSError as oe: |
| if (oe.errno != os.errno.ENOENT): # Ignore xcrun not found error |
| raise |
| except subprocess.CalledProcessError: |
| print('Error compiling Metal shader: ' + msl_path) |
| sys.exit(1) |
| |
| def cross_compile_msl(shader, spirv, opt): |
| msl2 = '.msl2.' in shader |
| spirv_f, spirv_path = tempfile.mkstemp() |
| msl_f, msl_path = tempfile.mkstemp(suffix = os.path.basename(shader)) |
| os.close(spirv_f) |
| os.close(msl_f) |
| |
| if spirv: |
| subprocess.check_call(['spirv-as', '-o', spirv_path, shader]) |
| else: |
| subprocess.check_call(['glslangValidator', '--target-env', 'vulkan1.1', '-V', '-o', spirv_path, shader]) |
| |
| if opt: |
| subprocess.check_call(['spirv-opt', '-O', '-o', spirv_path, spirv_path]) |
| |
| spirv_cross_path = './spirv-cross' |
| |
| msl_args = [spirv_cross_path, '--entry', 'main', '--output', msl_path, spirv_path, '--msl'] |
| if msl2: |
| msl_args.append('--msl-version') |
| msl_args.append('20000') |
| |
| subprocess.check_call(msl_args) |
| |
| if not shader_is_invalid_spirv(msl_path): |
| subprocess.check_call(['spirv-val', '--target-env', 'vulkan1.1', spirv_path]) |
| |
| return (spirv_path, msl_path) |
| |
| def shader_model_hlsl(shader): |
| if '.vert' in shader: |
| return '-Tvs_5_1' |
| elif '.frag' in shader: |
| return '-Tps_5_1' |
| elif '.comp' in shader: |
| return '-Tcs_5_1' |
| 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 != os.errno.ENOENT): # Ignore not found errors |
| return shader |
| except subprocess.CalledProcessError: |
| raise |
| |
| return shader |
| |
| def validate_shader_hlsl(shader): |
| subprocess.check_call(['glslangValidator', '-e', 'main', '-D', '--target-env', 'vulkan1.1', '-V', shader]) |
| is_no_fxc = '.nofxc.' in shader |
| if (not force_no_external_validation) and (not is_no_fxc): |
| try: |
| win_path = shader_to_win_path(shader) |
| subprocess.check_call(['fxc', '-nologo', shader_model_hlsl(shader), win_path]) |
| except OSError as oe: |
| if (oe.errno != os.errno.ENOENT): # Ignore not found errors |
| raise |
| except subprocess.CalledProcessError: |
| print('Failed compiling HLSL shader:', shader, 'with FXC.') |
| sys.exit(1) |
| |
| def shader_to_sm(shader): |
| if '.sm60.' in shader: |
| return '60' |
| elif '.sm51.' in shader: |
| return '51' |
| elif '.sm20.' in shader: |
| return '20' |
| else: |
| return '50' |
| |
| def cross_compile_hlsl(shader, spirv, opt): |
| spirv_f, spirv_path = tempfile.mkstemp() |
| hlsl_f, hlsl_path = tempfile.mkstemp(suffix = os.path.basename(shader)) |
| os.close(spirv_f) |
| os.close(hlsl_f) |
| |
| if spirv: |
| subprocess.check_call(['spirv-as', '-o', spirv_path, shader]) |
| else: |
| subprocess.check_call(['glslangValidator', '--target-env', 'vulkan1.1', '-V', '-o', spirv_path, shader]) |
| |
| if opt: |
| subprocess.check_call(['spirv-opt', '-O', '-o', spirv_path, spirv_path]) |
| |
| spirv_cross_path = './spirv-cross' |
| |
| sm = shader_to_sm(shader) |
| subprocess.check_call([spirv_cross_path, '--entry', 'main', '--output', hlsl_path, spirv_path, '--hlsl-enable-compat', '--hlsl', '--shader-model', sm]) |
| |
| if not shader_is_invalid_spirv(hlsl_path): |
| subprocess.check_call(['spirv-val', '--target-env', 'vulkan1.1', spirv_path]) |
| |
| validate_shader_hlsl(hlsl_path) |
| |
| return (spirv_path, hlsl_path) |
| |
| def validate_shader(shader, vulkan): |
| if vulkan: |
| subprocess.check_call(['glslangValidator', '--target-env', 'vulkan1.1', '-V', shader]) |
| else: |
| subprocess.check_call(['glslangValidator', shader]) |
| |
| def cross_compile(shader, vulkan, spirv, invalid_spirv, eliminate, is_legacy, flatten_ubo, sso, flatten_dim, opt): |
| spirv_f, spirv_path = tempfile.mkstemp() |
| glsl_f, glsl_path = tempfile.mkstemp(suffix = os.path.basename(shader)) |
| os.close(spirv_f) |
| os.close(glsl_f) |
| |
| if vulkan or spirv: |
| vulkan_glsl_f, vulkan_glsl_path = tempfile.mkstemp(suffix = os.path.basename(shader)) |
| os.close(vulkan_glsl_f) |
| |
| if spirv: |
| subprocess.check_call(['spirv-as', '-o', spirv_path, shader]) |
| else: |
| subprocess.check_call(['glslangValidator', '--target-env', 'vulkan1.1', '-V', '-o', spirv_path, shader]) |
| |
| if opt and (not invalid_spirv): |
| subprocess.check_call(['spirv-opt', '-O', '-o', spirv_path, spirv_path]) |
| |
| if not invalid_spirv: |
| subprocess.check_call(['spirv-val', '--target-env', 'vulkan1.1', spirv_path]) |
| |
| extra_args = [] |
| if eliminate: |
| extra_args += ['--remove-unused-variables'] |
| if is_legacy: |
| extra_args += ['--version', '100', '--es'] |
| if flatten_ubo: |
| extra_args += ['--flatten-ubo'] |
| if sso: |
| extra_args += ['--separate-shader-objects'] |
| if flatten_dim: |
| extra_args += ['--flatten-multidimensional-arrays'] |
| |
| spirv_cross_path = './spirv-cross' |
| |
| # A shader might not be possible to make valid GLSL from, skip validation for this case. |
| if (not ('nocompat' in glsl_path)) and (not spirv): |
| subprocess.check_call([spirv_cross_path, '--entry', 'main', '--output', glsl_path, spirv_path] + extra_args) |
| validate_shader(glsl_path, False) |
| else: |
| os.remove(glsl_path) |
| glsl_path = None |
| |
| if vulkan or spirv: |
| subprocess.check_call([spirv_cross_path, '--entry', 'main', '--vulkan-semantics', '--output', vulkan_glsl_path, spirv_path] + extra_args) |
| validate_shader(vulkan_glsl_path, True) |
| |
| 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(shader, glsl, update, keep, opt): |
| reference = reference_path(shader[0], shader[1], 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 update: |
| print('Generated source code has changed for {}!'.format(reference)) |
| # If we expect changes, update the reference file. |
| if os.path.exists(reference): |
| os.remove(reference) |
| make_reference_dir(reference) |
| shutil.move(glsl, reference) |
| else: |
| print('Generated source code in {} does not match reference {}!'.format(glsl, reference)) |
| 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 keep: |
| os.remove(glsl) |
| sys.exit(1) |
| else: |
| os.remove(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_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 test_shader(stats, shader, update, keep, opt): |
| 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]) |
| 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]) |
| |
| print('Testing shader:', joined_path) |
| 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)) |
| |
| # 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, update, keep, opt) |
| if vulkan_glsl: |
| regression_check((shader[0], shader[1] + '.vk'), vulkan_glsl, update, keep, opt) |
| os.remove(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, update, keep, opt): |
| 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, 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 force_no_external_validation: |
| validate_shader_msl(shader, opt) |
| |
| os.remove(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, msl = cross_compile_hlsl(joined_path, is_spirv, opt and (not noopt)) |
| regression_check(shader, msl, update, keep, opt) |
| os.remove(spirv) |
| |
| def test_shaders_helper(stats, shader_dir, update, malisc, keep, opt, backend): |
| for root, dirs, files in os.walk(os.path.join(shader_dir)): |
| 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, shader_dir) |
| 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) |
| else: |
| test_shader(stats, (shader_dir, relpath), update, keep, opt) |
| |
| def test_shaders(shader_dir, update, malisc, keep, opt, backend): |
| if 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, shader_dir, update, malisc, keep, backend) |
| else: |
| test_shaders_helper(None, shader_dir, update, malisc, keep, opt, backend) |
| |
| 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.') |
| args = parser.parse_args() |
| |
| if not args.folder: |
| sys.stderr.write('Need shader folder.\n') |
| sys.exit(1) |
| |
| if args.msl: |
| print_msl_compiler_version() |
| |
| global force_no_external_validation |
| force_no_external_validation = args.force_no_external_validation |
| |
| test_shaders(args.folder, args.update, args.malisc, args.keep, args.opt, 'msl' if (args.msl or args.metal) else ('hlsl' if args.hlsl else 'glsl')) |
| if args.malisc: |
| print('Stats in stats.csv!') |
| print('Tests completed!') |
| |
| if __name__ == '__main__': |
| main() |
