diff options
| -rw-r--r-- | src/mesa/glapi/glX_proto_send.py | 981 |
1 files changed, 981 insertions, 0 deletions
diff --git a/src/mesa/glapi/glX_proto_send.py b/src/mesa/glapi/glX_proto_send.py new file mode 100644 index 00000000000..77d54b6ef1e --- /dev/null +++ b/src/mesa/glapi/glX_proto_send.py @@ -0,0 +1,981 @@ +#!/usr/bin/python2 + +# (C) Copyright IBM Corporation 2004 +# All Rights Reserved. +# +# 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 +# on the rights to use, copy, modify, merge, publish, distribute, sub +# license, 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 (including the next +# paragraph) 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 NON-INFRINGEMENT. IN NO EVENT SHALL +# IBM AND/OR ITS SUPPLIERS 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. +# +# Authors: +# Ian Romanick <[email protected]> + +from xml.sax import saxutils +from xml.sax import make_parser +from xml.sax.handler import feature_namespaces + +import gl_XML +import license +import sys, getopt + + +def printPure(): + print """# if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96) +# define PURE __attribute__((pure)) +# else +# define PURE +# endif""" + +def printFastcall(): + print """# if defined(__i386__) && defined(__GNUC__) +# define FASTCALL __attribute__((fastcall)) +# else +# define FASTCALL +# endif""" + +def printVisibility(S, s): + print """# if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 3) +# define %s __attribute__((visibility("%s"))) +# else +# define %s +# endif""" % (S, s, S) + +def printNoinline(): + print """# if defined(__GNUC__) +# define NOINLINE __attribute__((noinline)) +# else +# define NOINLINE +# endif""" + + +class glXItemFactory(gl_XML.glItemFactory): + """Factory to create GLX protocol oriented objects derived from glItem.""" + + def create(self, context, name, attrs): + if name == "function": + return glXFunction(context, name, attrs) + elif name == "enum": + return glXEnum(context, name, attrs) + elif name == "param": + return glXParameter(context, name, attrs) + else: + return gl_XML.glItemFactory.create(self, context, name, attrs) + +class glXEnumFunction: + def __init__(self, name): + self.name = name + + # "enums" is a set of lists. The element in the set is the + # value of the enum. The list is the list of names for that + # value. For example, [0x8126] = {"POINT_SIZE_MIN", + # "POINT_SIZE_MIN_ARB", "POINT_SIZE_MIN_EXT", + # "POINT_SIZE_MIN_SGIS"}. + + self.enums = {} + + # "count" is indexed by count values. Each element of count + # is a list of index to "enums" that have that number of + # associated data elements. For example, [4] = + # {GL_AMBIENT, GL_DIFFUSE, GL_SPECULAR, GL_EMISSION, + # GL_AMBIENT_AND_DIFFUSE} (the enum names are used here, + # but the actual hexadecimal values would be in the array). + + self.count = {} + + + def append(self, count, value, name): + if self.enums.has_key( value ): + self.enums[value].append(name) + else: + if not self.count.has_key(count): + self.count[count] = [] + + self.enums[value] = [] + self.enums[value].append(name) + self.count[count].append(value) + + + def signature( self ): + sig = "" + for i in self.count: + for e in self.count[i]: + sig += "%04x,%u," % (e, i) + + return sig; + + + def PrintUsingTable(self): + """Emit the body of the __gl*_size function using a pair + of look-up tables and a mask. The mask is calculated such + that (e & mask) is unique for all the valid values of e for + this function. The result of (e & mask) is used as an index + into the first look-up table. If it matches e, then the + same entry of the second table is returned. Otherwise zero + is returned. + + It seems like this should cause better code to be generated. + However, on x86 at least, the resulting .o file is about 20% + larger then the switch-statment version. I am leaving this + code in because the results may be different on other + platforms (e.g., PowerPC or x86-64).""" + + return 0 + count = 0 + for a in self.enums: + count += 1 + + # Determine if there is some mask M, such that M = (2^N) - 1, + # that will generate unique values for all of the enums. + + mask = 0 + for i in [1, 2, 3, 4, 5, 6, 7, 8]: + mask = (1 << i) - 1 + + fail = 0; + for a in self.enums: + for b in self.enums: + if a != b: + if (a & mask) == (b & mask): + fail = 1; + + if not fail: + break; + else: + mask = 0 + + if (mask != 0) and (mask < (2 * count)): + masked_enums = {} + masked_count = {} + + for i in range(0, mask): + masked_enums[i] = "0"; + masked_count[i] = 0; + + for c in self.count: + for e in self.count[c]: + i = e & mask + masked_enums[i] = '0x%04x /* %s */' % (e, self.enums[e][0]) + masked_count[i] = c + + + print ' static const GLushort a[%u] = {' % (mask + 1) + for e in masked_enums: + print ' %s, ' % (masked_enums[e]) + print ' };' + + print ' static const GLubyte b[%u] = {' % (mask + 1) + for c in masked_count: + print ' %u, ' % (masked_count[c]) + print ' };' + + print ' const unsigned idx = (e & 0x%02xU);' % (mask) + print '' + print ' return (e == a[idx]) ? (GLint) b[idx] : 0;' + return 1; + else: + return 0; + + def PrintUsingSwitch(self): + """Emit the body of the __gl*_size function using a + switch-statement.""" + + print ' switch( e ) {' + + for c in self.count: + for e in self.count[c]: + first = 1 + + # There may be multiple enums with the same + # value. This happens has extensions are + # promoted from vendor-specific or EXT to + # ARB and to the core. Emit the first one as + # a case label, and emit the others as + # commented-out case labels. + + for j in self.enums[e]: + if first: + print ' case %s:' % (j) + first = 0 + else: + print '/* case %s:*/' % (j) + + print ' return %u;' % (c) + + print ' default: return 0;' + print ' }' + + + def Print(self, name): + print 'INTERNAL PURE FASTCALL GLint' + print '__gl%s_size( GLenum e )' % (name) + print '{' + + if not self.PrintUsingTable(): + self.PrintUsingSwitch() + + print '}' + print '' + + + +class glXEnum(gl_XML.glEnum): + def __init__(self, context, name, attrs): + gl_XML.glEnum.__init__(self, context, name, attrs) + self.glx_functions = [] + + def startElement(self, name, attrs): + if name == "size": + n = attrs.get('name', None) + if not self.context.glx_enum_functions.has_key( n ): + f = glXEnumFunction( n ) + self.context.glx_enum_functions[ f.name ] = f + + temp = attrs.get('count', None) + try: + c = int(temp) + except Exception,e: + raise RuntimeError('Invalid count value "%s" for enum "%s" in function "%s" when an integer was expected.' % (temp, self.name, n)) + + self.context.glx_enum_functions[ n ].append( c, self.value, self.name ) + else: + gl_XML.glEnum.startElement(self, context, name, attrs) + return + + +class glXParameter(gl_XML.glParameter): + def __init__(self, context, name, attrs): + self.order = 1; + gl_XML.glParameter.__init__(self, context, name, attrs); + + +class glXFunction(gl_XML.glFunction): + glx_rop = 0 + glx_sop = 0 + glx_vendorpriv = 0 + + # If this is set to true, it means that GLdouble parameters should be + # written to the GLX protocol packet in the order they appear in the + # prototype. This is different from the "classic" ordering. In the + # classic ordering GLdoubles are written to the protocol packet first, + # followed by non-doubles. NV_vertex_program was the first extension + # to break with this tradition. + + glx_doubles_in_order = 0 + + vectorequiv = None + handcode = 0 + ignore = 0 + can_be_large = 0 + + def __init__(self, context, name, attrs): + self.vectorequiv = attrs.get('vectorequiv', None) + self.count_parameters = None + self.counter = None + self.output = None + self.can_be_large = 0 + self.reply_always_array = 0 + + gl_XML.glFunction.__init__(self, context, name, attrs) + return + + def startElement(self, name, attrs): + """Process elements within a function that are specific to GLX.""" + + if name == "glx": + self.glx_rop = int(attrs.get('rop', "0")) + self.glx_sop = int(attrs.get('sop', "0")) + self.glx_vendorpriv = int(attrs.get('vendorpriv', "0")) + + if attrs.get('handcode', "false") == "true": + self.handcode = 1 + else: + self.handcode = 0 + + if attrs.get('ignore', "false") == "true": + self.ignore = 1 + else: + self.ignore = 0 + + if attrs.get('large', "false") == "true": + self.can_be_large = 1 + else: + self.can_be_large = 0 + + if attrs.get('doubles_in_order', "false") == "true": + self.glx_doubles_in_order = 1 + else: + self.glx_doubles_in_order = 0 + + if attrs.get('always_array', "false") == "true": + self.reply_always_array = 1 + else: + self.reply_always_array = 0 + + else: + gl_XML.glFunction.startElement(self, name, attrs) + + + def append(self, tag_name, p): + gl_XML.glFunction.append(self, tag_name, p) + + if p.is_variable_length_array(): + p.order = 2; + elif not self.glx_doubles_in_order and p.p_type.size == 8: + p.order = 0; + + if p.p_count_parameters != None: + self.count_parameters = p.p_count_parameters + + if p.is_counter: + self.counter = p.name + + if p.is_output: + self.output = p + + return + + def variable_length_parameter(self): + for param in self.fn_parameters: + if param.is_variable_length_array(): + return param + + return None + + + def command_payload_length(self): + size = 0 + size_string = "" + for p in self: + if p.is_output: continue + temp = p.size_string() + try: + s = int(temp) + size += s + except Exception,e: + size_string = size_string + " + __GLX_PAD(%s)" % (temp) + + return [size, size_string] + + def command_length(self): + [size, size_string] = self.command_payload_length() + + if self.glx_rop != 0: + size += 4 + + size = ((size + 3) & ~3) + return "%u%s" % (size, size_string) + + + def opcode_value(self): + if self.glx_rop != 0: + return self.glx_rop + elif self.glx_sop != 0: + return self.glx_sop + elif self.glx_vendorpriv != 0: + return self.glx_vendorpriv + else: + return -1 + + def opcode_rop_basename(self): + if self.vectorequiv == None: + return self.name + else: + return self.vectorequiv + + def opcode_name(self): + if self.glx_rop != 0: + return "X_GLrop_%s" % (self.opcode_rop_basename()) + elif self.glx_sop != 0: + return "X_GLsop_%s" % (self.name) + elif self.glx_vendorpriv != 0: + return "X_GLvop_%s" % (self.name) + else: + return "ERROR" + + def opcode_real_name(self): + if self.glx_vendorpriv != 0: + if self.needs_reply(): + return "X_GLXVendorPrivateWithReply" + else: + return "X_GLXVendorPrivate" + else: + return self.opcode_name() + + + def return_string(self): + if self.fn_return_type != 'void': + return "return retval;" + else: + return "return;" + + + def needs_reply(self): + return self.fn_return_type != 'void' or self.output != None + + +class GlxProto(gl_XML.FilterGLAPISpecBase): + name = "glX_proto_send.py (from Mesa)" + + def __init__(self): + gl_XML.FilterGLAPISpecBase.__init__(self) + self.factory = glXItemFactory() + self.glx_enum_functions = {} + + + def endElement(self, name): + if name == 'OpenGLAPI': + # Once all the parsing is done, we have to go back and + # fix-up some cross references between different + # functions. + + for k in self.functions: + f = self.functions[k] + if f.vectorequiv != None: + equiv = self.find_function(f.vectorequiv) + if equiv != None: + f.glx_doubles_in_order = equiv.glx_doubles_in_order + f.glx_rop = equiv.glx_rop + else: + raise RuntimeError("Could not find the vector equiv. function %s for %s!" % (f.name, f.vectorequiv)) + else: + gl_XML.FilterGLAPISpecBase.endElement(self, name) + return + + +class PrintGlxProtoStubs(GlxProto): + def __init__(self): + GlxProto.__init__(self) + self.last_category = "" + self.license = license.bsd_license_template % ( "(C) Copyright IBM Corporation 2004", "IBM") + self.generic_sizes = [3, 4, 6, 8, 12, 16, 24, 32] + return + + def printRealHeader(self): + print '' + print '#include <GL/gl.h>' + print '#include "indirect.h"' + print '#include "glxclient.h"' + print '#include "size.h"' + print '#include <GL/glxproto.h>' + print '' + print '#define __GLX_PAD(n) (((n) + 3) & ~3)' + print '' + printFastcall() + printNoinline() + print '' + print '/* If the size and opcode values are known at compile-time, this will, on' + print ' * x86 at least, emit them with a single instruction.' + print ' */' + print '#define emit_header(dest, op, size) \\' + print ' do { union { short s[2]; int i; } temp; \\' + print ' temp.s[0] = (size); temp.s[1] = (op); \\' + print ' *((int *)(dest)) = temp.i; } while(0)' + print '' + print """static NOINLINE CARD32 +read_reply( Display *dpy, size_t size, void * dest, GLboolean reply_is_always_array ) +{ + xGLXSingleReply reply; + + (void) _XReply(dpy, (xReply *) & reply, 0, False); + if (size != 0) { + if ((reply.size >= 1) || reply_is_always_array) { + const GLint bytes = (reply_is_always_array) + ? (4 * reply.length) : (reply.size * size); + const GLint extra = 4 - (bytes & 3); + + _XRead(dpy, dest, bytes); + if ( extra != 0 ) { + _XEatData(dpy, extra); + } + } + else { + (void) memcpy( dest, &(reply.pad3), size); + } + } + + return reply.retval; +} + +#define X_GLXSingle 0 + +static NOINLINE GLubyte * +setup_single_request( __GLXcontext * gc, GLint sop, GLint cmdlen ) +{ + xGLXSingleReq * req; + Display * const dpy = gc->currentDpy; + + (void) __glXFlushRenderBuffer(gc, gc->pc); + LockDisplay(dpy); + GetReqExtra(GLXSingle, cmdlen, req); + req->reqType = gc->majorOpcode; + req->contextTag = gc->currentContextTag; + req->glxCode = sop; + return (GLubyte *)(req) + sz_xGLXSingleReq; +} + +static NOINLINE GLubyte * +setup_vendor_request( __GLXcontext * gc, GLint code, GLint vop, GLint cmdlen ) +{ + xGLXVendorPrivateReq * req; + Display * const dpy = gc->currentDpy; + + (void) __glXFlushRenderBuffer(gc, gc->pc); + LockDisplay(dpy); + GetReqExtra(GLXVendorPrivate, cmdlen, req); + req->reqType = gc->majorOpcode; + req->glxCode = code; + req->vendorCode = vop; + req->contextTag = gc->currentContextTag; + return (GLubyte *)(req) + sz_xGLXVendorPrivateReq; +} +""" + + for size in self.generic_sizes: + self.print_generic_function(size) + return + + def printFunction(self, f): + if f.fn_offset < 0 or f.handcode or f.ignore: return + + if f.glx_rop != 0 or f.vectorequiv != None: + self.printRenderFunction(f) + elif f.glx_sop != 0 or f.glx_vendorpriv != 0: + self.printSingleFunction(f) + else: + print "/* Missing GLX protocol for %s. */" % (f.name) + + def print_generic_function(self, n): + print """static FASTCALL NOINLINE void +generic_%u_byte( GLint rop, const void * ptr ) +{ + __GLXcontext * const gc = __glXGetCurrentContext(); + const GLuint cmdlen = %u; + + emit_header(gc->pc, rop, cmdlen); + (void) memcpy((void *)(gc->pc + 4), ptr, %u); + gc->pc += cmdlen; + if (gc->pc > gc->limit) { (void) __glXFlushRenderBuffer(gc, gc->pc); } +} +""" % (n, n + 4, n) + + + def common_emit_one_arg(self, p, offset, pc, indent, adjust): + if p.is_output: return + + t = p.p_type + if p.is_array(): + src_ptr = p.name + else: + src_ptr = "&" + p.name + + print '%s (void) memcpy((void *)(%s + %u), (void *)(%s), %s);' \ + % (indent, pc, offset + adjust, src_ptr, p.size_string() ) + + def common_emit_args(self, f, pc, indent, adjust, skip_vla): + # First emit all of the fixed-length 8-byte (i.e., GLdouble) + # parameters. + + offset = 0 + + if skip_vla: + r = [0, 1] + else: + r = [0, 1, 2] + + for order in r: + for p in f: + if p.is_output or p.order != order: continue + + self.common_emit_one_arg(p, offset, pc, indent, adjust) + offset += p.size() + + + return offset + + + def common_func_print_just_header(self, f): + print '#define %s %d' % (f.opcode_name(), f.opcode_value()) + + print '%s' % (f.fn_return_type) + print '__indirect_gl%s(%s)' % (f.name, f.get_parameter_string()) + print '{' + + + def common_func_print_header(self, f): + self.common_func_print_just_header(f) + + print ' __GLXcontext * const gc = __glXGetCurrentContext();' + print ' Display * const dpy = gc->currentDpy;' + + if f.fn_return_type != 'void': + print ' %s retval = (%s) 0;' % (f.fn_return_type, f.fn_return_type) + + if f.count_parameters != None: + print ' const GLuint compsize = __gl%s_size(%s);' % (f.name, f.count_parameters) + + print ' const GLuint cmdlen = %s;' % (f.command_length()) + + if f.counter != None: + print ' if (%s < 0) %s' % (f.counter, f.return_string()) + + if f.can_be_large: + print ' if (dpy == NULL) return;' + print ' if ( ((gc->pc + cmdlen) > gc->bufEnd)' + print ' || (cmdlen > gc->maxSmallRenderCommandSize)) {' + print ' (void) __glXFlushRenderBuffer(gc, gc->pc);' + print ' }' + else: + print ' (void) dpy;' + + return + + + def printSingleFunction(self, f): + self.common_func_print_header(f) + + print ' if (dpy != NULL) {' + + if f.fn_parameters != []: + pc_decl = "GLubyte const * pc =" + else: + pc_decl = "(void)" + + if f.glx_vendorpriv != 0: + print ' %s setup_vendor_request(gc, %s, %s, cmdlen);' % (pc_decl, f.opcode_real_name(), f.opcode_name()) + else: + print ' %s setup_single_request(gc, %s, cmdlen);' % (pc_decl, f.opcode_name()) + + self.common_emit_args(f, "pc", " ", 0, 0) + + if f.needs_reply(): + if f.output != None: + output_size = f.output.p_type.size + output_str = f.output.name + else: + output_size = 0 + output_str = "NULL" + + if f.fn_return_type != 'void': + return_str = " retval = (%s)" % (f.fn_return_type) + else: + return_str = " (void)" + + if f.reply_always_array: + aa = "GL_TRUE" + else: + aa = "GL_FALSE" + + print " %s read_reply(gc->currentDpy, %s, %s, %s);" % (return_str, output_size, output_str, aa) + + print ' UnlockDisplay(gc->currentDpy); SyncHandle();' + print ' }' + print ' %s' % f.return_string() + print '}' + print '' + return + + + def printRenderFunction(self, f): + if f.variable_length_parameter() == None and len(f.fn_parameters) == 1: + p = f.fn_parameters[0] + if p.is_pointer: + [cmdlen, size_string] = f.command_payload_length() + if cmdlen in self.generic_sizes: + self.common_func_print_just_header(f) + print ' generic_%u_byte( %s, %s );' % (cmdlen, f.opcode_real_name(), p.name) + print '}' + print '' + return + + self.common_func_print_header(f) + + if f.can_be_large: + print ' if (cmdlen <= gc->maxSmallRenderCommandSize) {' + indent = " " + else: + indent = "" + + print '%s emit_header(gc->pc, %s, cmdlen);' % (indent, f.opcode_real_name()) + + self.common_emit_args(f, "gc->pc", indent, 4, 0) + print '%s gc->pc += cmdlen;' % (indent) + print '%s if (gc->pc > gc->limit) { (void) __glXFlushRenderBuffer(gc, gc->pc); }' % (indent) + + if f.can_be_large: + print ' }' + print ' else {' + print ' const GLint op = %s;' % (f.opcode_real_name()) + print ' const GLuint cmdlenLarge = cmdlen + 4;' + print ' (void) memcpy((void *)(gc->pc + 0), (void *)(&op), 4);' + print ' (void) memcpy((void *)(gc->pc + 4), (void *)(&cmdlenLarge), 4);' + offset = self.common_emit_args(f, "gc->pc", indent, 8, 1) + + p = f.variable_length_parameter() + print ' __glXSendLargeCommand(gc, gc->pc, %u, %s, %s);' % (offset + 8, p.name, p.size_string()) + print ' }' + + print '}' + print '' + return + + +class PrintGlxProtoInit_c(GlxProto): + def __init__(self): + GlxProto.__init__(self) + self.last_category = "" + self.license = license.bsd_license_template % ( \ +"""Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas. +(C) Copyright IBM Corporation 2004""", "PRECISION INSIGHT, IBM") + + + def printRealHeader(self): + print """/** + * \\file indirect_init.c + * Initialize indirect rendering dispatch table. + * + * \\author Kevin E. Martin <[email protected]> + * \\author Brian Paul <[email protected]> + * \\author Ian Romanick <[email protected]> + */ + +#include "indirect_init.h" +#include "indirect.h" +#include "glapi.h" + + +/** + * No-op function used to initialize functions that have no GLX protocol + * support. + */ +static int NoOp(void) +{ + return 0; +} + +/** + * Create and initialize a new GL dispatch table. The table is initialized + * with GLX indirect rendering protocol functions. + */ +__GLapi * __glXNewIndirectAPI( void ) +{ + __GLapi *glAPI; + GLuint entries; + + entries = _glapi_get_dispatch_table_size(); + glAPI = (__GLapi *) Xmalloc(entries * sizeof(void *)); + + /* first, set all entries to point to no-op functions */ + { + int i; + void **dispatch = (void **) glAPI; + for (i = 0; i < entries; i++) { + dispatch[i] = (void *) NoOp; + } + } + + /* now, initialize the entries we understand */""" + + def printRealFooter(self): + print """ + return glAPI; +} +""" + + def printFunction(self, f): + if f.fn_offset < 0 or f.ignore: return + + if f.category != self.last_category: + self.last_category = f.category + print '' + print ' /* %s */' % (self.last_category) + print '' + + print ' glAPI->%s = __indirect_gl%s;' % (f.name, f.name) + + +class PrintGlxProtoInit_h(GlxProto): + def __init__(self): + GlxProto.__init__(self) + self.last_category = "" + self.license = license.bsd_license_template % ( \ +"""Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas. +(C) Copyright IBM Corporation 2004""", "PRECISION INSIGHT, IBM") + + + def printRealHeader(self): + print """ +/** + * \\file + * Prototypes for indirect rendering functions. + * + * \\author Kevin E. Martin <[email protected]> + * \\author Ian Romanick <[email protected]> + */ + +#if !defined( _INDIRECT_H_ ) +# define _INDIRECT_H_ + +""" + printVisibility( "HIDDEN", "hidden" ) + + + def printRealFooter(self): + print "# undef HIDDEN" + print "#endif /* !defined( _INDIRECT_H_ ) */" + + def printFunction(self, f): + if f.fn_offset < 0 or f.ignore: return + print 'extern HIDDEN %s __indirect_gl%s(%s);' % (f.fn_return_type, f.name, f.get_parameter_string()) + + +class PrintGlxSizeStubs(GlxProto): + def __init__(self): + GlxProto.__init__(self) + self.license = license.bsd_license_template % ( "(C) Copyright IBM Corporation 2004", "IBM") + self.aliases = [] + self.glx_enum_sigs = {} + + def printRealHeader(self): + print '' + print '#include <GL/gl.h>' + print '#include "indirect_size.h"' + + print '' + printPure() + print '' + printFastcall() + print '' + printVisibility( "INTERNAL", "internal" ) + print '' + print '' + print '#ifdef HAVE_ALIAS' + print '# define ALIAS2(from,to) \\' + print ' INTERNAL PURE FASTCALL GLint __gl ## from ## _size( GLenum e ) \\' + print ' __attribute__ ((alias( # to )));' + print '# define ALIAS(from,to) ALIAS2( from, __gl ## to ## _size )' + print '#else' + print '# define ALIAS(from,to) \\' + print ' INTERNAL PURE FASTCALL GLint __gl ## from ## _size( GLenum e ) \\' + print ' { return __gl ## to ## _size( e ); }' + print '#endif' + print '' + print '' + + def printRealFooter(self): + for a in self.aliases: + print a + + def printFunction(self, f): + if self.glx_enum_functions.has_key(f.name): + ef = self.glx_enum_functions[f.name] + + sig = ef.signature(); + if self.glx_enum_sigs.has_key(sig): + n = self.glx_enum_sigs[sig]; + a = 'ALIAS( %s, %s )' % (f.name, n) + self.aliases.append(a) + else: + ef.Print( f.name ) + self.glx_enum_sigs[sig] = f.name; + + + +class PrintGlxSizeStubs_h(GlxProto): + def __init__(self): + GlxProto.__init__(self) + self.license = license.bsd_license_template % ( "(C) Copyright IBM Corporation 2004", "IBM") + self.aliases = [] + self.glx_enum_sigs = {} + + def printRealHeader(self): + print """ +/** + * \\file + * Prototypes for functions used to determine the number of data elements in + * various GLX protocol messages. + * + * \\author Ian Romanick <[email protected]> + */ + +#if !defined( _GLXSIZE_H_ ) +# define _GLXSIZE_H_ + +""" + printPure(); + print '' + printFastcall(); + print '' + printVisibility( "INTERNAL", "internal" ); + print '' + + def printRealFooter(self): + print '' + print "# undef INTERNAL" + print "# undef PURE" + print "# undef FASTCALL" + print "#endif /* !defined( _GLXSIZE_H_ ) */" + + + def printFunction(self, f): + if self.glx_enum_functions.has_key(f.name): + ef = self.glx_enum_functions[f.name] + print 'extern INTERNAL GLint __gl%s_size(GLenum) PURE FASTCALL;' % (f.name) + + +def show_usage(): + print "Usage: %s [-f input_file_name] [-m output_mode]" % sys.argv[0] + sys.exit(1) + + +if __name__ == '__main__': + file_name = "gl_API.xml" + + try: + (args, trail) = getopt.getopt(sys.argv[1:], "f:m:") + except Exception,e: + show_usage() + + mode = "proto" + for (arg,val) in args: + if arg == "-f": + file_name = val + elif arg == "-m": + mode = val + + if mode == "proto": + dh = PrintGlxProtoStubs() + elif mode == "init_c": + dh = PrintGlxProtoInit_c() + elif mode == "init_h": + dh = PrintGlxProtoInit_h() + elif mode == "size_c": + dh = PrintGlxSizeStubs() + elif mode == "size_h": + dh = PrintGlxSizeStubs_h() + else: + show_usage() + + parser = make_parser() + parser.setFeature(feature_namespaces, 0) + parser.setContentHandler(dh) + + f = open(file_name) + + dh.printHeader() + parser.parse(f) + dh.printFooter() |