diff options
Diffstat (limited to 'xorg-server/hw/xwin/glx/gen_gl_wrappers.py')
| -rwxr-xr-x[-rw-r--r--] | xorg-server/hw/xwin/glx/gen_gl_wrappers.py | 694 |
1 files changed, 393 insertions, 301 deletions
diff --git a/xorg-server/hw/xwin/glx/gen_gl_wrappers.py b/xorg-server/hw/xwin/glx/gen_gl_wrappers.py index 2273589c9..e5fa57142 100644..100755 --- a/xorg-server/hw/xwin/glx/gen_gl_wrappers.py +++ b/xorg-server/hw/xwin/glx/gen_gl_wrappers.py @@ -1,60 +1,217 @@ -#!/usr/bin/python +#!/usr/bin/python3 # -# Comedy python script to generate cdecl to stdcall wrappers for GL functions -# -# This is designed to operate on OpenGL spec files from -# http://www.opengl.org/registry/api/ -# -# -# Copyright (c) Jon TURNEY 2009 +# Copyright (c) 2013 The Khronos Group Inc. # # Permission is hereby granted, free of charge, to any person obtaining a -# copy of this software and associated documentation files (the "Software"), -# to deal in the Software without restriction, including without limitation -# the rights to use, copy, modify, merge, publish, distribute, sublicense, -# and/or sell copies of the Software, and to permit persons to whom the -# Software is 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 Software. -# -# THE SOFTWARE IS 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 ABOVE LISTED COPYRIGHT HOLDER(S) 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 SOFTWARE OR THE USE OR OTHER -# DEALINGS IN THE SOFTWARE. +# 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: # -# Except as contained in this notice, the name(s) of the above copyright -# holders shall not be used in advertising or otherwise to promote the sale, -# use or other dealings in this Software without prior written authorization. +# The above copyright notice and this permission notice shall be included +# in all copies or substantial portions of the Materials. # - -import sys -import re -import getopt - -dispatchheader = '' -prefix = 'gl' -preresolve = False -staticwrappers = False - -opts, args = getopt.getopt(sys.argv[1:], "", ['spec=', 'typemap=', 'dispatch-header=', 'prefix=', 'preresolve', 'staticwrappers' ]) - -for o,a in opts: - if o == '--typemap' : - typemapfile = a - elif o == '--dispatch-header' : - dispatchheader = a - elif o == '--spec' : - specfile = a - elif o == '--prefix' : - prefix = a - elif o == '--preresolve' : - preresolve = True - elif o == '--staticwrappers' : - staticwrappers = True +# 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 +# timeit - time length of registry loading & header generation +# validate - validate return & parameter group tags against <group> +debug = False +dump = False +profile = False +protect = True +timeit = False +validate= False +# Default input / log files +errFilename = None +diagFilename = 'diag.txt' +regFilename = 'gl.xml' +outFilename = 'gen_gl_wrappers.c' +dispatchheader=None +prefix="gl" +preresolve=False +staticwrappers=False +nodebugcallcounting=False + +WinGDI={key: 1 for key in [ + "wglCopyContext" + ,"wglCreateContext" + ,"wglCreateLayerContext" + ,"wglDeleteContext" + ,"wglGetCurrentContext" + ,"wglGetCurrentDC" + ,"wglGetProcAddress" + ,"wglMakeCurrent" + ,"wglShareLists" + ,"wglUseFontBitmapsA" + ,"wglUseFontBitmapsW" + ,"wglUseFontBitmaps" + ,"SwapBuffers" + ,"wglUseFontOutlinesA" + ,"wglUseFontOutlinesW" + ,"wglUseFontOutlines" + ,"wglDescribeLayerPlane" + ,"wglSetLayerPaletteEntries" + ,"wglGetLayerPaletteEntries" + ,"wglRealizeLayerPalette" + ,"wglSwapLayerBuffers" + ,"wglSwapMultipleBuffers" + ,"ChoosePixelFormat" + ,"DescribePixelFormat" + ,"GetEnhMetaFilePixelFormat" + ,"GetPixelFormat" + ,"SetPixelFormat" +]} + +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 == '-outfile'): + outFilename = sys.argv[i] + i = i+1 + elif (arg == '-preresolve'): + preresolve=True + elif (arg == '-staticwrappers'): + staticwrappers=True + elif (arg == '-dispatchheader'): + dispatchheader = sys.argv[i] + i = i+1 + elif (arg == '-prefix'): + prefix = sys.argv[i] + i = i+1 + elif (arg == '-nodbgcount'): + nodebugcallcounting = True + elif (arg[0:1] == '-'): + print('Unrecognized argument:', arg, file=sys.stderr) + exit(1) +print('Generating ', outFilename, 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]' + +# Defaults for generating re-inclusion protection wrappers (or not) +protectFile = protect +protectFeature = protect +protectProto = protect + +genOpts = CGeneratorOptions( + apiname = prefix, + profile = 'compatibility', + versions = allVersions, + emitversions = allVersions, + defaultExtensions = prefix, # 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 '), + ) + +# create error/warning & diagnostic files +if (errFilename): + errWarn = open(errFilename,'w') +else: + errWarn = sys.stderr +diag = open(diagFilename, 'w') # # look for all the SET_ macros in dispatch.h, this is the set of functions @@ -64,262 +221,197 @@ for o,a in opts: dispatch = {} if dispatchheader : - fh = open(dispatchheader) - dispatchh = fh.readlines() - - dispatch_regex = re.compile(r'^SET_(\S*)\(') - - for line in dispatchh : - line = line.strip() - m1 = dispatch_regex.search(line) - - if m1 : - dispatch[m1.group(1)] = 1 - - del dispatch['by_offset'] - -# -# read the typemap .tm file -# - -typemap = {} - -fh = open(typemapfile) -tm = fh.readlines() - -typemap_regex = re.compile(r'#define\sSET_(\S*)\(') - -for line in tm : - # ignore everything after a '#' as a comment - hash = line.find('#') - if hash != -1 : - line = line[:hash-1] - - # ignore blank lines - if line.startswith('#') or len(line) == 0 : - continue - - l = line.split(',') - typemap[l[0]] = l[3].strip() - -# interestingly, * is not a C type -if typemap['void'] == '*' : - typemap['void'] = 'void' - -# -# crudely parse the .spec file -# - -r1 = re.compile(r'\t(\S*)\s+(\S*.*)') -r2 = re.compile(r'(.*)\((.*)\)') -r3 = re.compile(r'glWindowPos.*MESA') -r4 = re.compile(r'gl.*Program(s|)NV') -r5 = re.compile(r'glGetVertexAttribfvNV') - -wrappers = {} - -fh = open(specfile) -glspec = fh.readlines() -param_count = 0 - -for line in glspec : - line = line.rstrip() - - # ignore everything after a '#' as a comment - hash = line.find('#') - if hash != -1 : - line = line[:hash-1] - - # ignore blank lines - if line.startswith('#') or len(line) == 0 : - continue - - # lines containing ':' aren't intersting to us - if line.count(':') != 0 : - continue - - # attributes of each function follow the name, indented by a tab - if not line.startswith('\t') : - m1 = r2.search(line) - if m1 : - function = m1.group(1) - arglist_use = m1.group(2) - wrappers[function] = {} - - # ensure formal parameter names don't collide with reserved names or shadow global declarations - arglist_use = ',' .join([i.rstrip() + '_' for i in arglist_use.split(",")]) - - wrappers[function]['arglist_use'] = arglist_use - param_count = 0 - else : - m1 = r1.search(line) - if m1 : - attribute = m1.group(1) - value = m1.group(2) - - # make param attributes unique and ordered - if attribute == 'param' : - attribute = 'param' + '%02d' % param_count - param_count += 1 - - wrappers[function][attribute] = value - -# -# now emit code -# - -print '/* Automatically generated by ' + sys.argv[0] + ' DO NOT EDIT */' -print '/* from ' + specfile + ' and typemap ' + typemapfile + ' */' -print '' - -# -# if required, emit code for non-lazy function resolving -# - -if preresolve : - for w in sorted(wrappers.keys()) : - funcname = prefix + w - print 'RESOLVE_DECL(PFN' + funcname.upper() + 'PROC);' - - print '' - print 'void ' + prefix + 'ResolveExtensionProcs(void)' - print '{' - - for w in sorted(wrappers.keys()) : - funcname = prefix + w - print ' PRERESOLVE(PFN' + funcname.upper() + 'PROC, "' + funcname + '");' - - print '}\n' - -# -# now emit the wrappers -# for GL 1.0 and 1.1 functions, generate stdcall wrappers which call the function directly -# for GL 1.2+ functions, generate wrappers which use wglGetProcAddress() -# - -for w in sorted(wrappers.keys()) : - - funcname = prefix + w - returntype = wrappers[w]['return'] - if returntype != 'void' : - returntype = typemap[returntype] - + fh = open(dispatchheader) + dispatchh = fh.readlines() + + dispatch_regex = re.compile(r'(?:#define|static\s+INLINE\s+void)\s+SET_([^\()]+)\(') + + for line in dispatchh : + line = line.strip() + m1 = dispatch_regex.search(line) + + if m1 : + dispatch[prefix+m1.group(1)] = 1 + + del dispatch['glby_offset'] + +class PreResolveOutputGenerator(OutputGenerator): + def __init__(self, + errFile = sys.stderr, + warnFile = sys.stderr, + diagFile = sys.stdout): + OutputGenerator.__init__(self, errFile, warnFile, diagFile) + self.wrappers={} + def beginFile(self, genOpts): + pass + def endFile(self): + self.outFile.write('\nvoid ' + prefix + 'ResolveExtensionProcs(void)\n{\n') + for funcname in self.wrappers.keys(): + self.outFile.write( ' PRERESOLVE(PFN' + funcname.upper() + 'PROC, "' + funcname + '");\n') + self.outFile.write('}\n\n') + def beginFeature(self, interface, emit): + OutputGenerator.beginFeature(self, interface, emit) + self.OldVersion = self.featureName.startswith('GL_VERSION_1_0') or self.featureName.startswith('GL_VERSION_1_1') + def endFeature(self): + OutputGenerator.endFeature(self) + def genType(self, typeinfo, name): + OutputGenerator.genType(self, typeinfo, name) + def genEnum(self, enuminfo, name): + OutputGenerator.genEnum(self, enuminfo, name) + def genCmd(self, cmd, name): + OutputGenerator.genCmd(self, cmd, name) + if name in WinGDI: + return + + self.outFile.write('RESOLVE_DECL(PFN' + name.upper() + 'PROC);\n') + self.wrappers[name]=1 + +class MyOutputGenerator(OutputGenerator): + def __init__(self, + errFile = sys.stderr, + warnFile = sys.stderr, + diagFile = sys.stdout): + OutputGenerator.__init__(self, errFile, warnFile, diagFile) + self.wrappers={} + def beginFile(self, genOpts): + pass + def endFile(self): + pass + def beginFeature(self, interface, emit): + OutputGenerator.beginFeature(self, interface, emit) + self.OldVersion = self.featureName.startswith('GL_VERSION_1_0') or self.featureName.startswith('GL_VERSION_1_1') + def endFeature(self): + OutputGenerator.endFeature(self) + def genType(self, typeinfo, name): + OutputGenerator.genType(self, typeinfo, name) + def genEnum(self, enuminfo, name): + OutputGenerator.genEnum(self, enuminfo, name) + def genCmd(self, cmd, name): + OutputGenerator.genCmd(self, cmd, name) # Avoid generating wrappers which aren't referenced by the dispatch table - if dispatchheader and not dispatch.has_key(w) : - print '/* No wrapper for ' + funcname + ', not in dispatch table */' - continue - - # manufacture arglist - # if no param attributes were found, it should be 'void' - al = [] - for k in sorted(wrappers[w].keys()) : - if k.startswith('param') : - l = wrappers[w][k].split() - - # ensure formal parameter names don't collide with reserved names or shadow global declarations - l[0] = l[0] + '_' - - if l[2] == 'in' : - if l[3] == 'array' : - arg = 'const ' + typemap[l[1]] + ' *' + l[0] - else : - arg = typemap[l[1]] + ' ' + l[0] - elif l[2] == 'out' : - arg = typemap[l[1]] + ' *' + l[0] - - al.append(arg) - - if len(al) == 0 : - arglist = 'void' + if dispatchheader and not name in dispatch : + self.outFile.write('/* No wrapper for ' + name + ', not in dispatch table */\n') + return + + if name in WinGDI: + return + + self.wrappers[name]=1 + + proto=noneStr(cmd.elem.find('proto')) + rettype=noneStr(proto.text) + if rettype.lower()!="void ": + plist = ([t for t in proto.itertext()]) + rettype = ''.join(plist[:-1]) + #ptype=proto.find("ptype") + #if ptype!=None: + # rettype = (noneStr(ptype.text))+" " + if staticwrappers: self.outFile.write("static ") + self.outFile.write("%s__stdcall %sWrapper("%(rettype, name)) + params = cmd.elem.findall('param') + plist=[] + for param in params: + paramlist = ([t for t in param.itertext()]) + paramtype = ''.join(paramlist[:-1]) + paramname = paramlist[-1] + plist.append((paramtype, paramname)) + Comma="" + if len(plist): + for ptype, pname in plist: + self.outFile.write("%s%s%s_"%(Comma, ptype, pname)) + Comma=", " else: - arglist = ', '.join(al) - - if wrappers[w]['category'].startswith('VERSION_1_0') or wrappers[w]['category'].startswith('VERSION_1_1') : - if staticwrappers : - print 'static', - print returntype + ' ' + funcname + 'Wrapper(' + arglist + ')' - print '{' - print ' if (glxWinDebugSettings.enable' + prefix.upper() + 'callTrace) ErrorF("'+ funcname + '\\n");' - print ' glWinDirectProcCalls++;' - if returntype.lower() == 'void' : - print ' ' + funcname + '(', - else : - print ' /* returntype was ' + returntype.lower() + '*/' - print ' return ' + funcname + '(', - - if arglist != 'void' : - print wrappers[w]['arglist_use'], - - print ');' - print "}\n" + self.outFile.write("void") + if self.OldVersion: + if nodebugcallcounting: + self.outFile.write(")\n{\n") + else: + self.outFile.write( """) +{ +#ifdef _DEBUG + if (glxWinDebugSettings.enable%scallTrace) ErrorF("%s\\n"); + glWinDirectProcCalls++; +#endif +"""%(prefix.upper(), name)) + if rettype.lower()=="void ": + self.outFile.write(" %s( "%(name)) + else: + self.outFile.write(" return %s( "%(name)) + Comma="" + for ptype, pname in plist: + self.outFile.write("%s%s_"%(Comma, pname)) + Comma=", " else: - if staticwrappers : - print 'static', - print returntype + ' ' + funcname + 'Wrapper(' + arglist + ')' - print '{' - - stringname = funcname - -# -# special case: Windows OpenGL implementations are far more likely to have GL_ARB_window_pos than GL_MESA_window_pos, -# so arrange for the wrapper to use the ARB strings to find functions... -# - - m2 = r3.search(funcname) - if m2 : - stringname = stringname.replace('MESA','ARB') - -# -# special case: likewise, implementations are more likely to have GL_ARB_vertex_program than GL_NV_vertex_program, -# especially if they are not NV implementations, so arrange for the wrapper to use ARB strings to find functions -# + if rettype.lower()=="void ": + self.outFile.write(""") +{ + RESOLVE(PFN%sPROC, "%s");"""%(name.upper(), name)) + if not nodebugcallcounting: self.outFile.write(""" +#ifdef _DEBUG + if (glxWinDebugSettings.enable%scallTrace) ErrorF("%s\\n"); +#endif"""%(prefix.upper(), name)) + self.outFile.write(""" + RESOLVED_PROC(PFN%sPROC)( """%(name.upper())) + else: + self.outFile.write(""") +{ + RESOLVE_RET(PFN%sPROC, "%s", FALSE);"""%(name.upper(), name)) + if not nodebugcallcounting: self.outFile.write(""" +#ifdef _DEBUG + if (glxWinDebugSettings.enable%scallTrace) ErrorF("%s\\n"); +#endif"""%(prefix.upper(), name)) + self.outFile.write(""" + return RESOLVED_PROC(PFN%sPROC)( """%(name.upper())) + Comma="" + for ptype, pname in plist: + self.outFile.write("%s%s_"%(Comma, pname)) + Comma=", " + self.outFile.write(" );\n}\n\n") + +def genHeaders(): + startTimer() + outFile = open(outFilename,"w") + if preresolve: + gen = PreResolveOutputGenerator(errFile=errWarn, + warnFile=errWarn, + diagFile=diag) + gen.outFile=outFile + reg.setGenerator(gen) + reg.apiGen(genOpts) + gen = MyOutputGenerator(errFile=errWarn, + warnFile=errWarn, + diagFile=diag) + gen.outFile=outFile + reg.setGenerator(gen) + reg.apiGen(genOpts) + + # generate function to setup the dispatch table, which sets each + # dispatch table entry to point to it's wrapper function + # (assuming we were able to make one) + + if dispatchheader : + outFile.write( 'void glWinSetupDispatchTable(void)\n') + outFile.write( '{\n') + outFile.write( ' struct _glapi_table *disp = _glapi_get_dispatch();\n') - m3 = r4.search(funcname) - if m3 : - stringname = stringname.replace('NV','ARB') - m4 = r5.search(funcname) - if m4 : - stringname = stringname.replace('NV','ARB') - - pfntypename = 'PFN' + funcname.upper() + 'PROC' - - if returntype.lower() == 'void' : - print ' RESOLVE(' + pfntypename + ', "' + stringname + '");' - print ' if (glxWinDebugSettings.enable' + prefix.upper() + 'callTrace) ErrorF("'+ funcname + '\\n");' - print ' RESOLVED_PROC(' + pfntypename + ')(', + for d in sorted(dispatch.keys()) : + if d in gen.wrappers : + outFile.write(' SET_'+ d[len(prefix):] + '(disp, (void *)' + d + 'Wrapper);\n') else : - print ' RESOLVE_RET(' + pfntypename + ', "' + stringname + '", FALSE);' - print ' if (glxWinDebugSettings.enable' + prefix.upper() + 'callTrace) ErrorF("'+ funcname + '\\n");' - print ' return RESOLVED_PROC(' + pfntypename + ')(', - - if arglist != 'void' : - print wrappers[w]['arglist_use'], + outFile.write('#pragma message("No wrapper for ' + d + ' !")\n') - print ');' - print "}\n" + outFile.write('}\n') -# generate function to setup the dispatch table, which sets each -# dispatch table entry to point to it's wrapper function -# (assuming we were able to make one) -if dispatchheader : - print 'void glWinSetupDispatchTable(void)' - print '{' - print ' static struct _glapi_table *disp = NULL;' - print '' - print ' if (!disp)' - print ' {' - print ' disp = calloc(sizeof(void *), _glapi_get_dispatch_table_size());' - print ' assert(disp);' - - for d in sorted(dispatch.keys()) : - if wrappers.has_key(d) : - print ' SET_'+ d + '(disp, (void *)' + prefix + d + 'Wrapper);' - else : - print '#warning No wrapper for ' + prefix + d + ' !' + outFile.close() - print ' }' - print '' - print ' _glapi_set_dispatch(disp);' - print '}' +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() |