1 #!/usr/bin/env python 2 copyright = ''' 3 /* 4 * Copyright 2009 VMware, Inc. 5 * All Rights Reserved. 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining a 8 * copy of this software and associated documentation files (the "Software"), 9 * to deal in the Software without restriction, including without limitation 10 * on the rights to use, copy, modify, merge, publish, distribute, sub 11 * license, and/or sell copies of the Software, and to permit persons to whom 12 * the Software is furnished to do so, subject to the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the next 15 * paragraph) shall be included in all copies or substantial portions of the 16 * Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 20 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 21 * VMWARE AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, 22 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 23 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 24 * USE OR OTHER DEALINGS IN THE SOFTWARE. 25 */ 26 ''' 27 28 GENERATE, UBYTE, USHORT, UINT = 'generate', 'ubyte', 'ushort', 'uint' 29 FIRST, LAST = 'first', 'last' 30 31 INTYPES = (GENERATE, UBYTE, USHORT, UINT) 32 OUTTYPES = (USHORT, UINT) 33 PVS=(FIRST, LAST) 34 PRIMS=('points', 35 'lines', 36 'linestrip', 37 'lineloop', 38 'tris', 39 'trifan', 40 'tristrip', 41 'quads', 42 'quadstrip', 43 'polygon') 44 45 LONGPRIMS=('PIPE_PRIM_POINTS', 46 'PIPE_PRIM_LINES', 47 'PIPE_PRIM_LINE_STRIP', 48 'PIPE_PRIM_LINE_LOOP', 49 'PIPE_PRIM_TRIANGLES', 50 'PIPE_PRIM_TRIANGLE_FAN', 51 'PIPE_PRIM_TRIANGLE_STRIP', 52 'PIPE_PRIM_QUADS', 53 'PIPE_PRIM_QUAD_STRIP', 54 'PIPE_PRIM_POLYGON') 55 56 longprim = dict(zip(PRIMS, LONGPRIMS)) 57 intype_idx = dict(ubyte='IN_UBYTE', ushort='IN_USHORT', uint='IN_UINT') 58 outtype_idx = dict(ushort='OUT_USHORT', uint='OUT_UINT') 59 pv_idx = dict(first='PV_FIRST', last='PV_LAST') 60 61 62 def prolog(): 63 print '''/* File automatically generated by indices.py */''' 64 print copyright 65 print r''' 66 67 /** 68 * @file 69 * Functions to translate and generate index lists 70 */ 71 72 #include "indices/u_indices.h" 73 #include "indices/u_indices_priv.h" 74 #include "pipe/p_compiler.h" 75 #include "util/u_debug.h" 76 #include "pipe/p_defines.h" 77 #include "util/u_memory.h" 78 79 80 static unsigned out_size_idx( unsigned index_size ) 81 { 82 switch (index_size) { 83 case 4: return OUT_UINT; 84 case 2: return OUT_USHORT; 85 default: assert(0); return OUT_USHORT; 86 } 87 } 88 89 static unsigned in_size_idx( unsigned index_size ) 90 { 91 switch (index_size) { 92 case 4: return IN_UINT; 93 case 2: return IN_USHORT; 94 case 1: return IN_UBYTE; 95 default: assert(0); return IN_UBYTE; 96 } 97 } 98 99 100 static u_translate_func translate[IN_COUNT][OUT_COUNT][PV_COUNT][PV_COUNT][PRIM_COUNT]; 101 static u_generate_func generate[OUT_COUNT][PV_COUNT][PV_COUNT][PRIM_COUNT]; 102 103 104 ''' 105 106 def vert( intype, outtype, v0 ): 107 if intype == GENERATE: 108 return '(' + outtype + ')(' + v0 + ')' 109 else: 110 return '(' + outtype + ')in[' + v0 + ']' 111 112 def point( intype, outtype, ptr, v0 ): 113 print ' (' + ptr + ')[0] = ' + vert( intype, outtype, v0 ) + ';' 114 115 def line( intype, outtype, ptr, v0, v1 ): 116 print ' (' + ptr + ')[0] = ' + vert( intype, outtype, v0 ) + ';' 117 print ' (' + ptr + ')[1] = ' + vert( intype, outtype, v1 ) + ';' 118 119 def tri( intype, outtype, ptr, v0, v1, v2 ): 120 print ' (' + ptr + ')[0] = ' + vert( intype, outtype, v0 ) + ';' 121 print ' (' + ptr + ')[1] = ' + vert( intype, outtype, v1 ) + ';' 122 print ' (' + ptr + ')[2] = ' + vert( intype, outtype, v2 ) + ';' 123 124 def do_point( intype, outtype, ptr, v0 ): 125 point( intype, outtype, ptr, v0 ) 126 127 def do_line( intype, outtype, ptr, v0, v1, inpv, outpv ): 128 if inpv == outpv: 129 line( intype, outtype, ptr, v0, v1 ) 130 else: 131 line( intype, outtype, ptr, v1, v0 ) 132 133 def do_tri( intype, outtype, ptr, v0, v1, v2, inpv, outpv ): 134 if inpv == outpv: 135 tri( intype, outtype, ptr, v0, v1, v2 ) 136 else: 137 if inpv == FIRST: 138 tri( intype, outtype, ptr, v1, v2, v0 ) 139 else: 140 tri( intype, outtype, ptr, v2, v0, v1 ) 141 142 def do_quad( intype, outtype, ptr, v0, v1, v2, v3, inpv, outpv ): 143 do_tri( intype, outtype, ptr+'+0', v0, v1, v3, inpv, outpv ); 144 do_tri( intype, outtype, ptr+'+3', v1, v2, v3, inpv, outpv ); 145 146 def name(intype, outtype, inpv, outpv, prim): 147 if intype == GENERATE: 148 return 'generate_' + prim + '_' + outtype + '_' + inpv + '2' + outpv 149 else: 150 return 'translate_' + prim + '_' + intype + '2' + outtype + '_' + inpv + '2' + outpv 151 152 def preamble(intype, outtype, inpv, outpv, prim): 153 print 'static void ' + name( intype, outtype, inpv, outpv, prim ) + '(' 154 if intype != GENERATE: 155 print ' const void * _in,' 156 print ' unsigned nr,' 157 print ' void *_out )' 158 print '{' 159 if intype != GENERATE: 160 print ' const ' + intype + '*in = (const ' + intype + '*)_in;' 161 print ' ' + outtype + ' *out = (' + outtype + '*)_out;' 162 print ' unsigned i, j;' 163 print ' (void)j;' 164 165 def postamble(): 166 print '}' 167 168 169 def points(intype, outtype, inpv, outpv): 170 preamble(intype, outtype, inpv, outpv, prim='points') 171 print ' for (i = 0; i < nr; i++) { ' 172 do_point( intype, outtype, 'out+i', 'i' ); 173 print ' }' 174 postamble() 175 176 def lines(intype, outtype, inpv, outpv): 177 preamble(intype, outtype, inpv, outpv, prim='lines') 178 print ' for (i = 0; i < nr; i+=2) { ' 179 do_line( intype, outtype, 'out+i', 'i', 'i+1', inpv, outpv ); 180 print ' }' 181 postamble() 182 183 def linestrip(intype, outtype, inpv, outpv): 184 preamble(intype, outtype, inpv, outpv, prim='linestrip') 185 print ' for (j = i = 0; j < nr; j+=2, i++) { ' 186 do_line( intype, outtype, 'out+j', 'i', 'i+1', inpv, outpv ); 187 print ' }' 188 postamble() 189 190 def lineloop(intype, outtype, inpv, outpv): 191 preamble(intype, outtype, inpv, outpv, prim='lineloop') 192 print ' for (j = i = 0; j < nr - 2; j+=2, i++) { ' 193 do_line( intype, outtype, 'out+j', 'i', 'i+1', inpv, outpv ); 194 print ' }' 195 do_line( intype, outtype, 'out+j', 'i', '0', inpv, outpv ); 196 postamble() 197 198 def tris(intype, outtype, inpv, outpv): 199 preamble(intype, outtype, inpv, outpv, prim='tris') 200 print ' for (i = 0; i < nr; i+=3) { ' 201 do_tri( intype, outtype, 'out+i', 'i', 'i+1', 'i+2', inpv, outpv ); 202 print ' }' 203 postamble() 204 205 206 def tristrip(intype, outtype, inpv, outpv): 207 preamble(intype, outtype, inpv, outpv, prim='tristrip') 208 print ' for (j = i = 0; j < nr; j+=3, i++) { ' 209 if inpv == FIRST: 210 do_tri( intype, outtype, 'out+j', 'i', 'i+1+(i&1)', 'i+2-(i&1)', inpv, outpv ); 211 else: 212 do_tri( intype, outtype, 'out+j', 'i+(i&1)', 'i+1-(i&1)', 'i+2', inpv, outpv ); 213 print ' }' 214 postamble() 215 216 217 def trifan(intype, outtype, inpv, outpv): 218 preamble(intype, outtype, inpv, outpv, prim='trifan') 219 print ' for (j = i = 0; j < nr; j+=3, i++) { ' 220 do_tri( intype, outtype, 'out+j', '0', 'i+1', 'i+2', inpv, outpv ); 221 print ' }' 222 postamble() 223 224 225 226 def polygon(intype, outtype, inpv, outpv): 227 preamble(intype, outtype, inpv, outpv, prim='polygon') 228 print ' for (j = i = 0; j < nr; j+=3, i++) { ' 229 if inpv == FIRST: 230 do_tri( intype, outtype, 'out+j', '0', 'i+1', 'i+2', inpv, outpv ); 231 else: 232 do_tri( intype, outtype, 'out+j', 'i+1', 'i+2', '0', inpv, outpv ); 233 print ' }' 234 postamble() 235 236 237 def quads(intype, outtype, inpv, outpv): 238 preamble(intype, outtype, inpv, outpv, prim='quads') 239 print ' for (j = i = 0; j < nr; j+=6, i+=4) { ' 240 do_quad( intype, outtype, 'out+j', 'i+0', 'i+1', 'i+2', 'i+3', inpv, outpv ); 241 print ' }' 242 postamble() 243 244 245 def quadstrip(intype, outtype, inpv, outpv): 246 preamble(intype, outtype, inpv, outpv, prim='quadstrip') 247 print ' for (j = i = 0; j < nr; j+=6, i+=2) { ' 248 do_quad( intype, outtype, 'out+j', 'i+2', 'i+0', 'i+1', 'i+3', inpv, outpv ); 249 print ' }' 250 postamble() 251 252 253 def emit_funcs(): 254 for intype in INTYPES: 255 for outtype in OUTTYPES: 256 for inpv in (FIRST, LAST): 257 for outpv in (FIRST, LAST): 258 points(intype, outtype, inpv, outpv) 259 lines(intype, outtype, inpv, outpv) 260 linestrip(intype, outtype, inpv, outpv) 261 lineloop(intype, outtype, inpv, outpv) 262 tris(intype, outtype, inpv, outpv) 263 tristrip(intype, outtype, inpv, outpv) 264 trifan(intype, outtype, inpv, outpv) 265 quads(intype, outtype, inpv, outpv) 266 quadstrip(intype, outtype, inpv, outpv) 267 polygon(intype, outtype, inpv, outpv) 268 269 def init(intype, outtype, inpv, outpv, prim): 270 if intype == GENERATE: 271 print ('generate[' + 272 outtype_idx[outtype] + 273 '][' + pv_idx[inpv] + 274 '][' + pv_idx[outpv] + 275 '][' + longprim[prim] + 276 '] = ' + name( intype, outtype, inpv, outpv, prim ) + ';') 277 else: 278 print ('translate[' + 279 intype_idx[intype] + 280 '][' + outtype_idx[outtype] + 281 '][' + pv_idx[inpv] + 282 '][' + pv_idx[outpv] + 283 '][' + longprim[prim] + 284 '] = ' + name( intype, outtype, inpv, outpv, prim ) + ';') 285 286 287 def emit_all_inits(): 288 for intype in INTYPES: 289 for outtype in OUTTYPES: 290 for inpv in PVS: 291 for outpv in PVS: 292 for prim in PRIMS: 293 init(intype, outtype, inpv, outpv, prim) 294 295 def emit_init(): 296 print 'void u_index_init( void )' 297 print '{' 298 print ' static int firsttime = 1;' 299 print ' if (!firsttime) return;' 300 print ' firsttime = 0;' 301 emit_all_inits() 302 print '}' 303 304 305 306 307 def epilog(): 308 print '#include "indices/u_indices.c"' 309 310 311 def main(): 312 prolog() 313 emit_funcs() 314 emit_init() 315 epilog() 316 317 318 if __name__ == '__main__': 319 main() 320
