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authormarha <marha@users.sourceforge.net>2013-07-22 12:11:31 +0200
committermarha <marha@users.sourceforge.net>2013-07-22 12:12:43 +0200
commitb9356a3668e013820e4a2b2fb1e19da216fc63be (patch)
treee5479609fe6332f1f2ec143ab935d7ccc3357ac6 /xorg-server/hw/xwin/glx/genheaders.py
parent97b87f24693a48b249f151aa39551610e83a1387 (diff)
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gen_gl_wrappers.py: now use the opengl xml files as input
Diffstat (limited to 'xorg-server/hw/xwin/glx/genheaders.py')
-rw-r--r--xorg-server/hw/xwin/glx/genheaders.py539
1 files changed, 539 insertions, 0 deletions
diff --git a/xorg-server/hw/xwin/glx/genheaders.py b/xorg-server/hw/xwin/glx/genheaders.py
new file mode 100644
index 000000000..61be85156
--- /dev/null
+++ b/xorg-server/hw/xwin/glx/genheaders.py
@@ -0,0 +1,539 @@
+#!/usr/bin/python3
+#
+# Copyright (c) 2013 The Khronos Group Inc.
+#
+# Permission is hereby granted, free of charge, to any person obtaining a
+# copy of this software and/or associated documentation files (the
+# "Materials"), to deal in the Materials without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Materials, and to
+# permit persons to whom the Materials are furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Materials.
+#
+# THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+# MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
+
+import sys, time, pdb, string, cProfile
+from reg import *
+
+# debug - start header generation in debugger
+# dump - dump registry after loading
+# profile - enable Python profiling
+# protect - whether to use #ifndef protections
+# registry <filename> - use specified XML registry instead of gl.xml
+# target - string name of target header, or all targets if None
+# timeit - time length of registry loading & header generation
+# validate - validate return & parameter group tags against <group>
+debug = False
+dump = False
+profile = False
+protect = True
+target = None
+timeit = False
+validate= False
+# Default input / log files
+errFilename = None
+diagFilename = 'diag.txt'
+regFilename = 'gl.xml'
+
+if __name__ == '__main__':
+ i = 1
+ while (i < len(sys.argv)):
+ arg = sys.argv[i]
+ i = i + 1
+ if (arg == '-debug'):
+ print('Enabling debug (-debug)', file=sys.stderr)
+ debug = True
+ elif (arg == '-dump'):
+ print('Enabling dump (-dump)', file=sys.stderr)
+ dump = True
+ elif (arg == '-noprotect'):
+ print('Disabling inclusion protection in output headers', file=sys.stderr)
+ protect = False
+ elif (arg == '-profile'):
+ print('Enabling profiling (-profile)', file=sys.stderr)
+ profile = True
+ elif (arg == '-registry'):
+ regFilename = sys.argv[i]
+ i = i+1
+ print('Using registry ', regFilename, file=sys.stderr)
+ elif (arg == '-time'):
+ print('Enabling timing (-time)', file=sys.stderr)
+ timeit = True
+ elif (arg == '-validate'):
+ print('Enabling group validation (-validate)', file=sys.stderr)
+ validate = True
+ elif (arg[0:1] == '-'):
+ print('Unrecognized argument:', arg, file=sys.stderr)
+ exit(1)
+ else:
+ target = arg
+ print('Using target', target, file=sys.stderr)
+
+# Simple timer functions
+startTime = None
+def startTimer():
+ global startTime
+ startTime = time.clock()
+def endTimer(msg):
+ global startTime
+ endTime = time.clock()
+ if (timeit):
+ print(msg, endTime - startTime)
+ startTime = None
+
+# Load & parse registry
+reg = Registry()
+
+startTimer()
+tree = etree.parse(regFilename)
+endTimer('Time to make ElementTree =')
+
+startTimer()
+reg.loadElementTree(tree)
+endTimer('Time to parse ElementTree =')
+
+if (validate):
+ reg.validateGroups()
+
+if (dump):
+ print('***************************************')
+ print('Performing Registry dump to regdump.txt')
+ print('***************************************')
+ reg.dumpReg(filehandle = open('regdump.txt','w'))
+
+# Turn a list of strings into a regexp string matching exactly those strings
+def makeREstring(list):
+ return '^(' + '|'.join(list) + ')$'
+
+# These are "mandatory" OpenGL ES 1 extensions, to
+# be included in the core GLES/gl.h header.
+es1CoreList = [
+ 'GL_OES_read_format',
+ 'GL_OES_compressed_paletted_texture',
+ 'GL_OES_point_size_array',
+ 'GL_OES_point_sprite'
+]
+
+# Descriptive names for various regexp patterns used to select
+# versions and extensions
+
+allVersions = allExtensions = '.*'
+noVersions = noExtensions = None
+gl12andLaterPat = '1\.[2-9]|[234]\.[0-9]'
+gles2onlyPat = '2\.[0-9]'
+gles2and3Pat = '[23]\.[0-9]'
+es1CorePat = makeREstring(es1CoreList)
+# Extensions in old glcorearb.h but not yet tagged accordingly in gl.xml
+glCoreARBPat = None
+glx13andLaterPat = '1\.[3-9]'
+
+# Copyright text prefixing all headers (list of strings).
+prefixStrings = [
+ '/*',
+ '** Copyright (c) 2013 The Khronos Group Inc.',
+ '**',
+ '** Permission is hereby granted, free of charge, to any person obtaining a',
+ '** copy of this software and/or associated documentation files (the',
+ '** "Materials"), to deal in the Materials without restriction, including',
+ '** without limitation the rights to use, copy, modify, merge, publish,',
+ '** distribute, sublicense, and/or sell copies of the Materials, and to',
+ '** permit persons to whom the Materials are furnished to do so, subject to',
+ '** the following conditions:',
+ '**',
+ '** The above copyright notice and this permission notice shall be included',
+ '** in all copies or substantial portions of the Materials.',
+ '**',
+ '** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,',
+ '** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF',
+ '** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.',
+ '** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY',
+ '** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,',
+ '** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE',
+ '** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.',
+ '*/',
+ '/*',
+ '** This header is generated from the Khronos OpenGL / OpenGL ES XML',
+ '** API Registry. The current version of the Registry, generator scripts',
+ '** used to make the header, and the header can be found at',
+ '** http://www.opengl.org/registry/',
+ '**',
+ '** Khronos $' + 'Revision$ on $' + 'Date$',
+ '*/',
+ ''
+]
+
+# glext.h / glcorearb.h define calling conventions inline (no GL *platform.h)
+glExtPlatformStrings = [
+ '#if defined(_WIN32) && !defined(APIENTRY) && !defined(__CYGWIN__) && !defined(__SCITECH_SNAP__)',
+ '#ifndef WIN32_LEAN_AND_MEAN',
+ '#define WIN32_LEAN_AND_MEAN 1',
+ '#endif',
+ '#include <windows.h>',
+ '#endif',
+ '',
+ '#ifndef APIENTRY',
+ '#define APIENTRY',
+ '#endif',
+ '#ifndef APIENTRYP',
+ '#define APIENTRYP APIENTRY *',
+ '#endif',
+ '#ifndef GLAPI',
+ '#define GLAPI extern',
+ '#endif',
+ ''
+]
+
+glCorearbPlatformStrings = glExtPlatformStrings + [
+ '/* glcorearb.h is for use with OpenGL core profile implementations.',
+ '** It should should be placed in the same directory as gl.h and',
+ '** included as <GL/glcorearb.h>.',
+ '**',
+ '** glcorearb.h includes only APIs in the latest OpenGL core profile',
+ '** implementation together with APIs in newer ARB extensions which ',
+ '** can be supported by the core profile. It does not, and never will',
+ '** include functionality removed from the core profile, such as',
+ '** fixed-function vertex and fragment processing.',
+ '**',
+ '** Do not #include both <GL/glcorearb.h> and either of <GL/gl.h> or',
+ '** <GL/glext.h> in the same source file.',
+ '*/',
+ ''
+]
+
+# wglext.h needs Windows include
+wglPlatformStrings = [
+ '#if defined(_WIN32) && !defined(APIENTRY) && !defined(__CYGWIN__) && !defined(__SCITECH_SNAP__)',
+ '#define WIN32_LEAN_AND_MEAN 1',
+ '#include <windows.h>',
+ '#endif',
+ '',
+]
+
+# GLES 1/2/3 core .h have separate *platform.h files to define calling conventions
+gles1PlatformStrings = [ '#include <GLES/glplatform.h>', '' ]
+gles2PlatformStrings = [ '#include <GLES2/gl2platform.h>', '' ]
+gles3PlatformStrings = [ '#include <GLES3/gl3platform.h>', '' ]
+eglPlatformStrings = [ '#include <EGL/eglplatform.h>', '' ]
+
+# GLES 1/2 extension .h have small addition to calling convention headers
+gles1ExtPlatformStrings = gles2ExtPlatformStrings = [
+ '#ifndef GL_APIENTRYP',
+ '#define GL_APIENTRYP GL_APIENTRY*',
+ '#endif',
+ ''
+]
+
+# GL_GLEXT_VERSION is defined only in glext.h
+glextVersionStrings = [
+ format("#define GL_GLEXT_VERSION %s" % time.strftime("%Y%m%d")),
+ ''
+]
+# WGL_WGLEXT_VERSION is defined only in wglext.h
+wglextVersionStrings = [
+ format("#define WGL_WGLEXT_VERSION %s" % time.strftime("%Y%m%d")),
+ ''
+]
+# GLX_GLXEXT_VERSION is defined only in glxext.h
+glxextVersionStrings = [
+ format("#define GLX_GLXEXT_VERSION %s" % time.strftime("%Y%m%d")),
+ ''
+]
+# EGL_EGLEXT_VERSION is defined only in eglext.h
+eglextVersionStrings = [
+ format("#define EGL_EGLEXT_VERSION %s" % time.strftime("%Y%m%d")),
+ ''
+]
+
+# Defaults for generating re-inclusion protection wrappers (or not)
+protectFile = protect
+protectFeature = protect
+protectProto = protect
+
+buildList = [
+ # GL API 1.2+ + extensions - glext.h
+ CGeneratorOptions(
+ filename = 'GL/glext.h',
+ apiname = 'gl',
+ profile = 'compatibility',
+ versions = allVersions,
+ emitversions = gl12andLaterPat,
+ defaultExtensions = 'gl', # Default extensions for GL
+ addExtensions = None,
+ removeExtensions = None,
+ prefixText = prefixStrings + glExtPlatformStrings + glextVersionStrings,
+ genFuncPointers = True,
+ protectFile = protectFile,
+ protectFeature = protectFeature,
+ protectProto = protectProto,
+ apicall = 'GLAPI ',
+ apientry = 'APIENTRY ',
+ apientryp = 'APIENTRYP '),
+ # GL core profile + extensions - glcorearb.h
+ CGeneratorOptions(
+ filename = 'GL/glcorearb.h',
+ apiname = 'gl',
+ profile = 'core',
+ versions = allVersions,
+ emitversions = allVersions,
+ defaultExtensions = 'glcore', # Default extensions for GL core profile (only)
+ addExtensions = glCoreARBPat,
+ removeExtensions = None,
+ prefixText = prefixStrings + glCorearbPlatformStrings,
+ genFuncPointers = True,
+ protectFile = protectFile,
+ protectFeature = protectFeature,
+ protectProto = protectProto,
+ apicall = 'GLAPI ',
+ apientry = 'APIENTRY ',
+ apientryp = 'APIENTRYP '),
+ # GLES 1.x API + mandatory extensions - es1.h (no function pointers)
+ CGeneratorOptions(
+ filename = 'GLES/gl.h',
+ apiname = 'gles1',
+ profile = 'common',
+ versions = allVersions,
+ emitversions = allVersions,
+ defaultExtensions = None, # No default extensions
+ addExtensions = es1CorePat, # Add mandatory ES1 extensions in GLES1/gl.h
+ removeExtensions = None,
+ prefixText = prefixStrings + gles1PlatformStrings,
+ genFuncPointers = False,
+ protectFile = protectFile,
+ protectFeature = protectFeature,
+ protectProto = protectProto,
+ apicall = 'GL_API ',
+ apientry = 'GL_APIENTRY ',
+ apientryp = 'GL_APIENTRYP '),
+ # GLES 1.x extensions - es1ext.h
+ CGeneratorOptions(
+ filename = 'GLES/glext.h',
+ apiname = 'gles1',
+ profile = 'common',
+ versions = allVersions,
+ emitversions = noVersions,
+ defaultExtensions = 'gles1', # Default extensions for GLES 1
+ addExtensions = None,
+ removeExtensions = es1CorePat, # Remove mandatory ES1 extensions in GLES1/glext.h
+ prefixText = prefixStrings + gles1ExtPlatformStrings,
+ genFuncPointers = True,
+ protectFile = protectFile,
+ protectFeature = protectFeature,
+ protectProto = protectProto,
+ apicall = 'GL_API ',
+ apientry = 'GL_APIENTRY ',
+ apientryp = 'GL_APIENTRYP '),
+ # GLES 2.0 API - es2.h (no function pointers)
+ CGeneratorOptions(
+ filename = 'GLES2/gl2.h',
+ apiname = 'gles2',
+ profile = 'common',
+ versions = gles2onlyPat,
+ emitversions = allVersions,
+ defaultExtensions = None, # No default extensions
+ addExtensions = None,
+ removeExtensions = None,
+ prefixText = prefixStrings + gles2PlatformStrings,
+ genFuncPointers = False,
+ protectFile = protectFile,
+ protectFeature = protectFeature,
+ protectProto = protectProto,
+ apicall = 'GL_APICALL ',
+ apientry = 'GL_APIENTRY ',
+ apientryp = 'GL_APIENTRYP '),
+ # GLES 2.0 extensions - es2ext.h
+ CGeneratorOptions(
+ filename = 'GLES2/gl2ext.h',
+ apiname = 'gles2',
+ profile = 'common',
+ versions = gles2onlyPat,
+ emitversions = None,
+ defaultExtensions = 'gles2', # Default extensions for GLES 2
+ addExtensions = None,
+ removeExtensions = None,
+ prefixText = prefixStrings + gles2ExtPlatformStrings,
+ genFuncPointers = True,
+ protectFile = protectFile,
+ protectFeature = protectFeature,
+ protectProto = protectProto,
+ apicall = 'GL_APICALL ',
+ apientry = 'GL_APIENTRY ',
+ apientryp = 'GL_APIENTRYP '),
+ # GLES 3.0 API - es3.h (no function pointers)
+ CGeneratorOptions(
+ filename = 'GLES3/gl3.h',
+ apiname = 'gles2',
+ profile = 'common',
+ versions = gles2and3Pat,
+ emitversions = allVersions,
+ defaultExtensions = None, # No default extensions
+ addExtensions = None,
+ removeExtensions = None,
+ prefixText = prefixStrings + gles3PlatformStrings,
+ genFuncPointers = False,
+ protectFile = protectFile,
+ protectFeature = protectFeature,
+ protectProto = protectProto,
+ apicall = 'GL_APICALL ',
+ apientry = 'GL_APIENTRY ',
+ apientryp = 'GL_APIENTRYP '),
+ # EGL API - egl.h (no function pointers, yet @@@)
+ CGeneratorOptions(
+ filename = 'EGL/egl.h',
+ apiname = 'egl',
+ profile = None,
+ versions = allVersions,
+ emitversions = allVersions,
+ defaultExtensions = None, # No default extensions
+ addExtensions = None,
+ removeExtensions = None,
+ prefixText = prefixStrings + eglPlatformStrings + eglextVersionStrings,
+ genFuncPointers = False,
+ protectFile = protectFile,
+ protectFeature = protectFeature,
+ protectProto = protectProto,
+ apicall = 'EGLAPI ',
+ apientry = 'EGLAPIENTRY ',
+ apientryp = 'EGLAPIENTRYP '),
+ # EGL extensions - eglext.h (no function pointers, yet @@@)
+ CGeneratorOptions(
+ filename = 'EGL/eglext.h',
+ apiname = 'egl',
+ profile = None,
+ versions = allVersions,
+ emitversions = None,
+ defaultExtensions = 'egl', # Default extensions for EGL
+ addExtensions = None,
+ removeExtensions = None,
+ prefixText = prefixStrings + eglPlatformStrings + eglextVersionStrings,
+ genFuncPointers = False,
+ protectFile = protectFile,
+ protectFeature = protectFeature,
+ protectProto = protectProto,
+ apicall = 'EGLAPI ',
+ apientry = 'EGLAPIENTRY ',
+ apientryp = 'EGLAPIENTRYP '),
+ # GLX 1.* API - glx.h
+ CGeneratorOptions(
+ filename = 'GL/glx.h',
+ apiname = 'glx',
+ profile = None,
+ versions = allVersions,
+ emitversions = allVersions,
+ defaultExtensions = None, # No default extensions
+ addExtensions = None,
+ removeExtensions = None,
+ # add glXPlatformStrings?
+ prefixText = prefixStrings, # No GLXEXT_VERSION
+ genFuncPointers = True,
+ protectFile = protectFile,
+ protectFeature = protectFeature,
+ protectProto = protectProto,
+ apicall = '',
+ apientry = '',
+ apientryp = ' *'),
+ # GLX 1.3+ API + extensions - glxext.h (no function pointers, yet @@@)
+ CGeneratorOptions(
+ filename = 'GL/glxext.h',
+ apiname = 'glx',
+ profile = None,
+ versions = allVersions,
+ emitversions = glx13andLaterPat,
+ defaultExtensions = 'glx', # Default extensions for GLX
+ addExtensions = None,
+ removeExtensions = None,
+ # add glXPlatformStrings?
+ prefixText = prefixStrings + glxextVersionStrings,
+ genFuncPointers = True,
+ protectFile = protectFile,
+ protectFeature = protectFeature,
+ protectProto = protectProto,
+ apicall = '',
+ apientry = '',
+ apientryp = ' *'),
+ # WGL API + extensions - wgl.h (no function pointers, yet @@@)
+ CGeneratorOptions(
+ filename = 'GL/wgl.h',
+ apiname = 'wgl',
+ profile = None,
+ versions = allVersions,
+ emitversions = allVersions,
+ defaultExtensions = 'wgl', # Default extensions for WGL
+ addExtensions = None,
+ removeExtensions = None,
+ prefixText = prefixStrings + wglPlatformStrings, # No WGLEXT_VERSION
+ genFuncPointers = True,
+ protectFile = protectFile,
+ protectFeature = protectFeature,
+ protectProto = protectProto,
+ apicall = '',
+ apientry = 'WINAPI ',
+ apientryp = 'WINAPI * '),
+ # WGL extensions - wglext.h (no function pointers, yet @@@)
+ CGeneratorOptions(
+ filename = 'GL/wglext.h',
+ apiname = 'wgl',
+ profile = None,
+ versions = allVersions,
+ emitversions = None,
+ defaultExtensions = 'wgl', # Default extensions for WGL
+ addExtensions = None,
+ removeExtensions = None,
+ prefixText = prefixStrings + wglPlatformStrings + wglextVersionStrings,
+ genFuncPointers = True,
+ protectFile = protectFile,
+ protectFeature = protectFeature,
+ protectProto = protectProto,
+ apicall = '',
+ apientry = 'WINAPI ',
+ apientryp = 'WINAPI * '),
+ # End of list
+ None
+]
+
+# create error/warning & diagnostic files
+if (errFilename):
+ errWarn = open(errFilename,'w')
+else:
+ errWarn = sys.stderr
+diag = open(diagFilename, 'w')
+
+def genHeaders():
+ # Loop over targets, building each
+ generated = 0
+ for genOpts in buildList:
+ if (genOpts == None):
+ break
+ if (target and target != genOpts.filename):
+ # print('*** Skipping', genOpts.filename)
+ continue
+ print('*** Building', genOpts.filename)
+ generated = generated + 1
+ startTimer()
+ gen = COutputGenerator(errFile=errWarn,
+ warnFile=errWarn,
+ diagFile=diag)
+ reg.setGenerator(gen)
+ reg.apiGen(genOpts)
+ print('** Generated', genOpts.filename)
+ endTimer('Time to generate ' + genOpts.filename + ' =')
+ if (target and generated == 0):
+ print('Failed to generate target:', target)
+
+if (debug):
+ pdb.run('genHeaders()')
+elif (profile):
+ import cProfile, pstats
+ cProfile.run('genHeaders()', 'profile.txt')
+ p = pstats.Stats('profile.txt')
+ p.strip_dirs().sort_stats('time').print_stats(50)
+else:
+ genHeaders()