| 1 | # Copyright (c) 2001, Stanford University
|
|---|
| 2 | # All rights reserved.
|
|---|
| 3 | #
|
|---|
| 4 | # See the file LICENSE.txt for information on redistributing this software.
|
|---|
| 5 |
|
|---|
| 6 | import sys, re, string
|
|---|
| 7 | import apiutil
|
|---|
| 8 |
|
|---|
| 9 | line_re = re.compile (r'^(\S+)\s+(GL_\S+)\s+(.*)\s*$')
|
|---|
| 10 | extensions_line_re = re.compile(r'^(\S+)\s+(GL_\S+)\s+(GL_\S+)\s+(.*)\s*$')
|
|---|
| 11 |
|
|---|
| 12 | params = {}
|
|---|
| 13 | extended_params = {}
|
|---|
| 14 |
|
|---|
| 15 | input = open( sys.argv[2]+"/state_get.txt", 'r' )
|
|---|
| 16 | for line in input.readlines():
|
|---|
| 17 | if line[0] == '#':
|
|---|
| 18 | continue
|
|---|
| 19 | match = line_re.match( line )
|
|---|
| 20 | if match:
|
|---|
| 21 | type = match.group(1)
|
|---|
| 22 | pname = match.group(2)
|
|---|
| 23 | fields = string.split( match.group(3) )
|
|---|
| 24 | params[pname] = ( type, fields )
|
|---|
| 25 |
|
|---|
| 26 | input = open( sys.argv[2]+"/state_extensions_get.txt", 'r' )
|
|---|
| 27 | for line in input.readlines():
|
|---|
| 28 | if line[0] == '#':
|
|---|
| 29 | continue
|
|---|
| 30 | match = extensions_line_re.match( line )
|
|---|
| 31 | if match:
|
|---|
| 32 | type = match.group(1)
|
|---|
| 33 | pname = match.group(2)
|
|---|
| 34 | ifdef = match.group(3)
|
|---|
| 35 | fields = string.split( match.group(4) )
|
|---|
| 36 | extended_params[pname] = ( type, ifdef, fields )
|
|---|
| 37 |
|
|---|
| 38 | convert = {
|
|---|
| 39 | 'GLenum' : {
|
|---|
| 40 | 'Boolean' : '(GLboolean) ( %s != 0 )',
|
|---|
| 41 | 'Double' : '(GLdouble) %s',
|
|---|
| 42 | 'Float' : '(GLfloat) %s',
|
|---|
| 43 | 'Integer' : '(GLint) %s'
|
|---|
| 44 | },
|
|---|
| 45 | 'GLboolean' : {
|
|---|
| 46 | 'Boolean' : '(GLboolean) ( %s != 0 )',
|
|---|
| 47 | 'Double' : '(GLdouble) %s',
|
|---|
| 48 | 'Float' : '(GLfloat) %s',
|
|---|
| 49 | 'Integer' : '(GLint) %s'
|
|---|
| 50 | },
|
|---|
| 51 | 'GLint' : {
|
|---|
| 52 | 'Boolean' : '(GLboolean) ( %s != 0 )',
|
|---|
| 53 | 'Double' : '(GLdouble) %s',
|
|---|
| 54 | 'Float' : '(GLfloat) %s',
|
|---|
| 55 | 'Integer' : '(GLint) %s'
|
|---|
| 56 | },
|
|---|
| 57 | 'GLuint' : {
|
|---|
| 58 | 'Boolean' : '(GLboolean) ( %s != 0 )',
|
|---|
| 59 | 'Double' : '(GLdouble) %s',
|
|---|
| 60 | 'Float' : '(GLfloat) %s',
|
|---|
| 61 | 'Integer' : '(GLint) %s'
|
|---|
| 62 | },
|
|---|
| 63 | 'GLfloat' : {
|
|---|
| 64 | 'Boolean' : '(GLboolean) ( %s != 0.0f )',
|
|---|
| 65 | 'Double' : '(GLdouble) %s',
|
|---|
| 66 | 'Float' : '%s',
|
|---|
| 67 | 'Integer' : '(GLint) %s'
|
|---|
| 68 | },
|
|---|
| 69 | 'GLdouble' : {
|
|---|
| 70 | 'Boolean' : '(GLboolean) ( %s != 0.0 )',
|
|---|
| 71 | 'Double' : '%s',
|
|---|
| 72 | 'Float' : '(GLfloat) %s',
|
|---|
| 73 | 'Integer' : '(GLint) %s'
|
|---|
| 74 | },
|
|---|
| 75 | 'GLdefault' : {
|
|---|
| 76 | 'Boolean' : '(GLboolean) ( %s != (GLdefault) 0.0 )',
|
|---|
| 77 | 'Double' : '(GLdouble) %s',
|
|---|
| 78 | 'Float' : '(GLfloat) %s',
|
|---|
| 79 | 'Integer' : '(GLint) %s'
|
|---|
| 80 | },
|
|---|
| 81 | 'GLclampd' : {
|
|---|
| 82 | 'Boolean' : '(GLboolean) ( %s != 0.0 )',
|
|---|
| 83 | 'Double' : '%s',
|
|---|
| 84 | 'Float' : '(GLfloat) %s',
|
|---|
| 85 | 'Integer' : '__clampd_to_int(%s)'
|
|---|
| 86 | },
|
|---|
| 87 | 'GLclampf' : {
|
|---|
| 88 | 'Boolean' : '(GLboolean) ( %s != 0.0f )',
|
|---|
| 89 | 'Double' : '(GLdouble) %s',
|
|---|
| 90 | 'Float' : '%s',
|
|---|
| 91 | 'Integer' : '__clampf_to_int(%s)'
|
|---|
| 92 | }
|
|---|
| 93 | }
|
|---|
| 94 |
|
|---|
| 95 | types = [ "Boolean", "Double", "Float", "Integer" ]
|
|---|
| 96 |
|
|---|
| 97 | ctypes = {
|
|---|
| 98 | 'Boolean' : 'GLboolean',
|
|---|
| 99 | 'Double' : 'GLdouble',
|
|---|
| 100 | 'Float' : 'GLfloat',
|
|---|
| 101 | 'Integer' : 'GLint'
|
|---|
| 102 | }
|
|---|
| 103 |
|
|---|
| 104 | apiutil.CopyrightC()
|
|---|
| 105 |
|
|---|
| 106 | print """
|
|---|
| 107 | /* DO NOT EDIT - THIS FILE GENERATED BY state_get.txt AND THE state_get.py SCRIPT */
|
|---|
| 108 | #include <stdio.h>
|
|---|
| 109 | #include <math.h>
|
|---|
| 110 |
|
|---|
| 111 | #include "state.h"
|
|---|
| 112 | #include "state/cr_statetypes.h"
|
|---|
| 113 |
|
|---|
| 114 | static GLint __clampd_to_int( GLdouble d )
|
|---|
| 115 | {
|
|---|
| 116 | /* -1.0 -> MIN_INT, 1.0 -> MAX_INT */
|
|---|
| 117 | if ( d > 1.0 )
|
|---|
| 118 | return 0x7fffffff;
|
|---|
| 119 | if ( d < -1.0 )
|
|---|
| 120 | return 0x80000000;
|
|---|
| 121 | return (GLint) floor( d * 2147483647.5 );
|
|---|
| 122 | }
|
|---|
| 123 |
|
|---|
| 124 | static GLint __clampf_to_int( GLfloat f )
|
|---|
| 125 | {
|
|---|
| 126 | /* -1.0f -> MIN_INT, 1.0f -> MAX_INT */
|
|---|
| 127 | if ( f > 1.0f )
|
|---|
| 128 | return 0x7fffffff;
|
|---|
| 129 | if ( f < -1.0f )
|
|---|
| 130 | return 0x80000000;
|
|---|
| 131 | return (GLint) floor( f * 2147483647.5f );
|
|---|
| 132 | }
|
|---|
| 133 |
|
|---|
| 134 | static GLenum __getDrawBuffer(CRContext *g)
|
|---|
| 135 | {
|
|---|
| 136 | return g->framebufferobject.drawFB ? g->framebufferobject.drawFB->drawbuffer[0] : g->buffer.drawBuffer;
|
|---|
| 137 | }
|
|---|
| 138 |
|
|---|
| 139 | static GLenum __getReadBuffer(CRContext *g)
|
|---|
| 140 | {
|
|---|
| 141 | return g->framebufferobject.readFB ? g->framebufferobject.readFB->readbuffer : g->buffer.readBuffer;
|
|---|
| 142 | }
|
|---|
| 143 | """
|
|---|
| 144 |
|
|---|
| 145 | header = """
|
|---|
| 146 | {
|
|---|
| 147 | CRContext *g = GetCurrentContext();
|
|---|
| 148 |
|
|---|
| 149 | if (g->current.inBeginEnd)
|
|---|
| 150 | {
|
|---|
| 151 | crStateError(__LINE__, __FILE__, GL_INVALID_OPERATION,
|
|---|
| 152 | "glGet called in Begin/End");
|
|---|
| 153 | return;
|
|---|
| 154 | }
|
|---|
| 155 |
|
|---|
| 156 | if ( pname == GL_CURRENT_INDEX || pname == GL_CURRENT_COLOR ||
|
|---|
| 157 | pname == GL_CURRENT_SECONDARY_COLOR_EXT ||
|
|---|
| 158 | pname == GL_CURRENT_FOG_COORDINATE_EXT ||
|
|---|
| 159 | pname == GL_CURRENT_NORMAL || pname == GL_EDGE_FLAG ||
|
|---|
| 160 | pname == GL_CURRENT_TEXTURE_COORDS )
|
|---|
| 161 | {
|
|---|
| 162 | #if 0
|
|---|
| 163 | crStateError(__LINE__,__FILE__, GL_INVALID_OPERATION,
|
|---|
| 164 | "Unimplemented glGet of a 'current' value" );
|
|---|
| 165 | #else
|
|---|
| 166 | crStateCurrentRecover();/* &g->current, &sb->current, g->bitID );*/
|
|---|
| 167 |
|
|---|
| 168 | #endif
|
|---|
| 169 | }
|
|---|
| 170 |
|
|---|
| 171 | switch ( pname ) {
|
|---|
| 172 | """
|
|---|
| 173 |
|
|---|
| 174 | for rettype in types:
|
|---|
| 175 | print ''
|
|---|
| 176 | print 'void STATE_APIENTRY crStateGet%sv( GLenum pname, %s *params )' % ( rettype, ctypes[rettype] )
|
|---|
| 177 | print header
|
|---|
| 178 |
|
|---|
| 179 | keys = params.keys()
|
|---|
| 180 | keys.sort()
|
|---|
| 181 | for pname in keys:
|
|---|
| 182 | print '\t\tcase %s:' % pname
|
|---|
| 183 | (srctype,fields) = params[pname]
|
|---|
| 184 | try:
|
|---|
| 185 | cvt = convert[srctype][rettype]
|
|---|
| 186 | i = 0
|
|---|
| 187 | for field in fields:
|
|---|
| 188 | expr = cvt % field
|
|---|
| 189 | print '\t\t\tparams[%d] = %s;' % (i,expr)
|
|---|
| 190 | i += 1
|
|---|
| 191 | except:
|
|---|
| 192 | print '\t\t\tcrStateError(__LINE__,__FILE__,GL_INVALID_OPERATION, "Unimplemented glGet!");'
|
|---|
| 193 | print "\t\t\tbreak;"
|
|---|
| 194 |
|
|---|
| 195 |
|
|---|
| 196 | keys = extended_params.keys();
|
|---|
| 197 | keys.sort()
|
|---|
| 198 | for pname in keys:
|
|---|
| 199 | (srctype,ifdef,fields) = extended_params[pname]
|
|---|
| 200 | ext = ifdef[3:] # the extension name with the "GL_" prefix removed
|
|---|
| 201 | #print '#ifdef %s' % ifdef
|
|---|
| 202 | print '#ifdef CR_%s' % ext
|
|---|
| 203 | print '\t\tcase %s:' % pname
|
|---|
| 204 | if ext != 'OPENGL_VERSION_1_2':
|
|---|
| 205 | print '\t\t\tif (g->extensions.%s) {' % ext
|
|---|
| 206 | try:
|
|---|
| 207 | cvt = convert[srctype][rettype]
|
|---|
| 208 | i = 0
|
|---|
| 209 | for field in fields:
|
|---|
| 210 | expr = cvt % field
|
|---|
| 211 | if field[0] == '%':
|
|---|
| 212 | command = string.split(field, '%')
|
|---|
| 213 | print '\t\t\t\t%s;' % command[1]
|
|---|
| 214 | continue
|
|---|
| 215 | elif ext != 'OPENGL_VERSION_1_2':
|
|---|
| 216 | print '\t\t\t\tparams[%d] = %s;' % (i,expr)
|
|---|
| 217 | else:
|
|---|
| 218 | print '\t\t\tparams[%d] = %s;' % (i,expr)
|
|---|
| 219 | i += 1
|
|---|
| 220 | except:
|
|---|
| 221 | print '\t\t\tcrStateError(__LINE__,__FILE__,GL_INVALID_OPERATION, "Unimplemented glGet!");'
|
|---|
| 222 | if ext != 'OPENGL_VERSION_1_2':
|
|---|
| 223 | print "\t\t\t}"
|
|---|
| 224 | print "\t\t\telse {"
|
|---|
| 225 | print '\t\t\t\tcrStateError(__LINE__,__FILE__,GL_INVALID_ENUM, "glGet%sv");' % rettype
|
|---|
| 226 | print "\t\t\t}"
|
|---|
| 227 | print "\t\t\tbreak;"
|
|---|
| 228 | #print '#endif /* %s */' % ifdef
|
|---|
| 229 | print '#endif /* CR_%s */' % ext
|
|---|
| 230 |
|
|---|
| 231 | print '\t\tdefault:'
|
|---|
| 232 | print '\t\t\tcrStateError(__LINE__, __FILE__, GL_INVALID_ENUM, "glGet: Unknown enum: 0x%x", pname);'
|
|---|
| 233 | print '\t\t\treturn;'
|
|---|
| 234 | print '\t}'
|
|---|
| 235 | print '}'
|
|---|
| 236 |
|
|---|
| 237 | from get_components import *
|
|---|
