| 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 | # This script generates the packer_bbox.c file from gl_header.parsed
|
|---|
| 7 |
|
|---|
| 8 | import sys
|
|---|
| 9 | import cPickle
|
|---|
| 10 | import string
|
|---|
| 11 |
|
|---|
| 12 | import apiutil
|
|---|
| 13 |
|
|---|
| 14 |
|
|---|
| 15 | apiutil.CopyrightC()
|
|---|
| 16 |
|
|---|
| 17 | print """
|
|---|
| 18 | /* DO NOT EDIT - THIS FILE GENERATED BY THE packer_bbox.py SCRIPT */
|
|---|
| 19 |
|
|---|
| 20 | /* These functions pack glVertex functions and also update the bounding box
|
|---|
| 21 | * if the cr_packer_globals.updateBBOX variable is non-zero.
|
|---|
| 22 | */
|
|---|
| 23 |
|
|---|
| 24 | #include "packer.h"
|
|---|
| 25 | #include "cr_opcodes.h"
|
|---|
| 26 | #include "pack_bbox.h"
|
|---|
| 27 |
|
|---|
| 28 | #include <float.h>
|
|---|
| 29 |
|
|---|
| 30 | /**
|
|---|
| 31 | * Reset packer bounding box to empty state.
|
|---|
| 32 | */
|
|---|
| 33 | void crPackResetBoundingBox( CRPackContext *pc )
|
|---|
| 34 | {
|
|---|
| 35 | pc->bounds_min.x = FLT_MAX;
|
|---|
| 36 | pc->bounds_min.y = FLT_MAX;
|
|---|
| 37 | pc->bounds_min.z = FLT_MAX;
|
|---|
| 38 | pc->bounds_max.x = -FLT_MAX;
|
|---|
| 39 | pc->bounds_max.y = -FLT_MAX;
|
|---|
| 40 | pc->bounds_max.z = -FLT_MAX;
|
|---|
| 41 | pc->updateBBOX = 1;
|
|---|
| 42 | }
|
|---|
| 43 |
|
|---|
| 44 | /**
|
|---|
| 45 | * Query current bounding box.
|
|---|
| 46 | * \return GL_TRUE if non-empty box, GL_FALSE if empty box.
|
|---|
| 47 | */
|
|---|
| 48 | GLboolean crPackGetBoundingBox( CRPackContext *pc,
|
|---|
| 49 | GLfloat *xmin, GLfloat *ymin, GLfloat *zmin,
|
|---|
| 50 | GLfloat *xmax, GLfloat *ymax, GLfloat *zmax)
|
|---|
| 51 | {
|
|---|
| 52 | if (pc->bounds_min.x != FLT_MAX) {
|
|---|
| 53 | *xmin = pc->bounds_min.x;
|
|---|
| 54 | *ymin = pc->bounds_min.y;
|
|---|
| 55 | *zmin = pc->bounds_min.z;
|
|---|
| 56 | *xmax = pc->bounds_max.x;
|
|---|
| 57 | *ymax = pc->bounds_max.y;
|
|---|
| 58 | *zmax = pc->bounds_max.z;
|
|---|
| 59 | return GL_TRUE;
|
|---|
| 60 | }
|
|---|
| 61 | else {
|
|---|
| 62 | return GL_FALSE;
|
|---|
| 63 | }
|
|---|
| 64 | }
|
|---|
| 65 |
|
|---|
| 66 | """
|
|---|
| 67 |
|
|---|
| 68 | def WriteData( offset, arg_type, arg_name, is_swapped ):
|
|---|
| 69 | if string.find( arg_type, '*' ) != -1:
|
|---|
| 70 | retval = "\tWRITE_NETWORK_POINTER( %d, (void *) %s );" % (offset, arg_name )
|
|---|
| 71 | else:
|
|---|
| 72 | if is_swapped:
|
|---|
| 73 | if arg_type == "GLfloat" or arg_type == "GLclampf":
|
|---|
| 74 | retval = "\tWRITE_DATA( %d, GLuint, SWAPFLOAT(%s) );" % (offset, arg_name)
|
|---|
| 75 | elif arg_type == "GLdouble" or arg_type == "GLclampd":
|
|---|
| 76 | retval = "\tWRITE_SWAPPED_DOUBLE( %d, %s );" % (offset, arg_name)
|
|---|
| 77 | elif apiutil.sizeof(arg_type) == 1:
|
|---|
| 78 | retval = "\tWRITE_DATA( %d, %s, %s );" % (offset, arg_type, arg_name)
|
|---|
| 79 | elif apiutil.sizeof(arg_type) == 2:
|
|---|
| 80 | retval = "\tWRITE_DATA( %d, %s, SWAP16(%s) );" % (offset, arg_type, arg_name)
|
|---|
| 81 | elif apiutil.sizeof(arg_type) == 4:
|
|---|
| 82 | retval = "\tWRITE_DATA( %d, %s, SWAP32(%s) );" % (offset, arg_type, arg_name)
|
|---|
| 83 | else:
|
|---|
| 84 | if arg_type == "GLdouble" or arg_type == "GLclampd":
|
|---|
| 85 | retval = "\tWRITE_DOUBLE( %d, %s );" % (offset, arg_name)
|
|---|
| 86 | else:
|
|---|
| 87 | retval = "\tWRITE_DATA( %d, %s, %s );" % (offset, arg_type, arg_name)
|
|---|
| 88 | return retval
|
|---|
| 89 |
|
|---|
| 90 |
|
|---|
| 91 | def PrintFunction( func_name, extSuffix, num_coords, argtype,
|
|---|
| 92 | do_swapped, do_count, do_vector ):
|
|---|
| 93 | """
|
|---|
| 94 | Generate all the functions named crPackVertex[234][dfis][v]BBOX() and
|
|---|
| 95 | crPackVertex[234][dfis][v]BBOX_COUNT().
|
|---|
| 96 | We also handle glVertexAttrib*ARB.
|
|---|
| 97 | Note: func_name should not have an ARB suffix.
|
|---|
| 98 | """
|
|---|
| 99 |
|
|---|
| 100 | if do_count:
|
|---|
| 101 | countSuffix = "_COUNT"
|
|---|
| 102 | else:
|
|---|
| 103 | countSuffix = ""
|
|---|
| 104 |
|
|---|
| 105 | if do_swapped:
|
|---|
| 106 | swapSuffix = "SWAP"
|
|---|
| 107 | else:
|
|---|
| 108 | swapSuffix = ""
|
|---|
| 109 |
|
|---|
| 110 | if func_name[0:12] == "VertexAttrib":
|
|---|
| 111 | isVertexAttrib = 1
|
|---|
| 112 | else:
|
|---|
| 113 | isVertexAttrib = 0
|
|---|
| 114 |
|
|---|
| 115 | if argtype[0] == "N":
|
|---|
| 116 | normalized = 1
|
|---|
| 117 | else:
|
|---|
| 118 | normalized = 0;
|
|---|
| 119 |
|
|---|
| 120 | if argtype == "b" or argtype == "Nb":
|
|---|
| 121 | vector_type = "GLbyte"
|
|---|
| 122 | elif argtype == "ub" or argtype == "Nub":
|
|---|
| 123 | vector_type = "GLubyte"
|
|---|
| 124 | elif argtype == "s" or argtype == "Ns":
|
|---|
| 125 | vector_type = "GLshort"
|
|---|
| 126 | elif argtype == "us" or argtype == "Nus":
|
|---|
| 127 | vector_type = "GLushort"
|
|---|
| 128 | elif argtype == "i" or argtype == "Ni":
|
|---|
| 129 | vector_type = "GLint"
|
|---|
| 130 | elif argtype == "ui" or argtype == "Nui":
|
|---|
| 131 | vector_type = "GLuint"
|
|---|
| 132 | elif argtype == "f":
|
|---|
| 133 | vector_type = "GLfloat"
|
|---|
| 134 | elif argtype == "d":
|
|---|
| 135 | vector_type = "GLdouble"
|
|---|
| 136 | else:
|
|---|
| 137 | print "type is %s" % argtype
|
|---|
| 138 | abort()
|
|---|
| 139 |
|
|---|
| 140 | if do_vector:
|
|---|
| 141 | if isVertexAttrib:
|
|---|
| 142 | func_name = 'VertexAttrib%d%sv' % (num_coords, argtype)
|
|---|
| 143 | else:
|
|---|
| 144 | func_name = 'Vertex%d%sv' % (num_coords,argtype)
|
|---|
| 145 |
|
|---|
| 146 | params = apiutil.Parameters(func_name + extSuffix)
|
|---|
| 147 |
|
|---|
| 148 | print 'void PACK_APIENTRY crPack%sBBOX%s%s( %s )' % (func_name + extSuffix, countSuffix,
|
|---|
| 149 | swapSuffix, apiutil.MakeDeclarationString(params))
|
|---|
| 150 | print '{'
|
|---|
| 151 |
|
|---|
| 152 | if do_vector:
|
|---|
| 153 | # vector version
|
|---|
| 154 | packet_length = num_coords * apiutil.sizeof(vector_type)
|
|---|
| 155 | if isVertexAttrib:
|
|---|
| 156 | packet_length += 4 # for index
|
|---|
| 157 | if packet_length % 4 != 0:
|
|---|
| 158 | packet_length += 2
|
|---|
| 159 |
|
|---|
| 160 | else:
|
|---|
| 161 | # non-vector
|
|---|
| 162 | packet_length = apiutil.PacketLength( params )
|
|---|
| 163 | if isVertexAttrib:
|
|---|
| 164 | packet_length += 0 # for index
|
|---|
| 165 | if packet_length % 4 != 0:
|
|---|
| 166 | packet_length += 2
|
|---|
| 167 |
|
|---|
| 168 |
|
|---|
| 169 | print "\tCR_GET_PACKER_CONTEXT(pc);"
|
|---|
| 170 | print "\tunsigned char *data_ptr;"
|
|---|
| 171 |
|
|---|
| 172 | if normalized:
|
|---|
| 173 | if argtype == "Nb":
|
|---|
| 174 | t = "B"
|
|---|
| 175 | elif argtype == "Ni":
|
|---|
| 176 | t = "I"
|
|---|
| 177 | elif argtype == "Nui":
|
|---|
| 178 | t = "UI"
|
|---|
| 179 | elif argtype == "Nub":
|
|---|
| 180 | t = "UB"
|
|---|
| 181 | elif argtype == "Ns":
|
|---|
| 182 | t = "S"
|
|---|
| 183 | elif argtype == "Nus":
|
|---|
| 184 | t = "US"
|
|---|
| 185 | else:
|
|---|
| 186 | abort()
|
|---|
| 187 | if do_vector:
|
|---|
| 188 | print "\tCREATE_%dD_VFLOATS_%s_NORMALIZED();" % (num_coords, t)
|
|---|
| 189 | else:
|
|---|
| 190 | print "\tCREATE_%dD_FLOATS_%s_NORMALIZED();" % (num_coords, t)
|
|---|
| 191 | else:
|
|---|
| 192 | if do_vector:
|
|---|
| 193 | print "\tCREATE_%dD_VFLOATS();" % num_coords
|
|---|
| 194 | else:
|
|---|
| 195 | print "\tCREATE_%dD_FLOATS();" % num_coords
|
|---|
| 196 |
|
|---|
| 197 | print "\tCR_GET_BUFFERED%s_POINTER( pc, %d );" % (countSuffix, packet_length)
|
|---|
| 198 |
|
|---|
| 199 | # Bounding box code
|
|---|
| 200 | if isVertexAttrib:
|
|---|
| 201 | print "\tif (pc->updateBBOX && index == 0)"
|
|---|
| 202 | else:
|
|---|
| 203 | print "\tif (pc->updateBBOX)"
|
|---|
| 204 | print "\t{"
|
|---|
| 205 | if num_coords < 4:
|
|---|
| 206 | print "\t\tUPDATE_%dD_BBOX();" % num_coords
|
|---|
| 207 | else:
|
|---|
| 208 | print "\t\tUPDATE_3D_BBOX();"
|
|---|
| 209 | print "\t}"
|
|---|
| 210 |
|
|---|
| 211 | if isVertexAttrib:
|
|---|
| 212 | print "\tif (index > 0) {"
|
|---|
| 213 | t = argtype
|
|---|
| 214 | print "\t\tpc->current.c.vertexAttrib.%s%d[index] = data_ptr + 4;" % (t, num_coords)
|
|---|
| 215 | print "\t\tpc->current.attribsUsedMask |= (1 << index);"
|
|---|
| 216 | if do_count:
|
|---|
| 217 | print "\t\tpc->current.vtx_count--;"
|
|---|
| 218 |
|
|---|
| 219 | print "\t}"
|
|---|
| 220 |
|
|---|
| 221 | fname = func_name + extSuffix
|
|---|
| 222 | if do_vector:
|
|---|
| 223 | # use non-vector opcode
|
|---|
| 224 | opcode = apiutil.OpcodeName( func_name[:-1] + extSuffix )
|
|---|
| 225 | else:
|
|---|
| 226 | opcode = apiutil.OpcodeName( func_name + extSuffix )
|
|---|
| 227 | counter = 0
|
|---|
| 228 |
|
|---|
| 229 | if do_vector:
|
|---|
| 230 | if isVertexAttrib:
|
|---|
| 231 | if do_swapped:
|
|---|
| 232 | print "\tWRITE_DATA( 0, GLuint, SWAP32(index) );"
|
|---|
| 233 | else:
|
|---|
| 234 | print "\tWRITE_DATA( 0, GLuint, index );"
|
|---|
| 235 | counter += 4
|
|---|
| 236 | argname = params[1][0] # skip 'index' parameter
|
|---|
| 237 | else:
|
|---|
| 238 | argname = params[0][0]
|
|---|
| 239 |
|
|---|
| 240 | for index in range(num_coords):
|
|---|
| 241 | print WriteData( counter, vector_type, "%s[%d]" % (argname, index), do_swapped )
|
|---|
| 242 | counter += apiutil.sizeof(vector_type)
|
|---|
| 243 |
|
|---|
| 244 | if isVertexAttrib:
|
|---|
| 245 | if do_vector == 2:
|
|---|
| 246 | # this is a bit of a hack
|
|---|
| 247 | print "\tWRITE_OPCODE( pc, %s );" % apiutil.OpcodeName( func_name + "ARB" )
|
|---|
| 248 | else:
|
|---|
| 249 | print "\tWRITE_OPCODE( pc, %s );" % apiutil.OpcodeName( func_name[:-1] + "ARB" )
|
|---|
| 250 | else:
|
|---|
| 251 | print "\tWRITE_OPCODE( pc, %s );" % apiutil.OpcodeName( func_name[:-1] )
|
|---|
| 252 | else:
|
|---|
| 253 | for index in range(0,len(params)):
|
|---|
| 254 | (name, type, vecSize) = params[index]
|
|---|
| 255 | print WriteData( counter, type, name, do_swapped )
|
|---|
| 256 | counter += apiutil.sizeof(type)
|
|---|
| 257 |
|
|---|
| 258 | if isVertexAttrib:
|
|---|
| 259 | print "\tWRITE_OPCODE( pc, %s );" % apiutil.OpcodeName( func_name + "ARB" )
|
|---|
| 260 | else:
|
|---|
| 261 | print "\tWRITE_OPCODE( pc, %s );" % apiutil.OpcodeName( func_name )
|
|---|
| 262 |
|
|---|
| 263 | print "\tCR_UNLOCK_PACKER_CONTEXT(pc);"
|
|---|
| 264 |
|
|---|
| 265 |
|
|---|
| 266 | print '}\n'
|
|---|
| 267 |
|
|---|
| 268 | #end PrintFunction()
|
|---|
| 269 |
|
|---|
| 270 |
|
|---|
| 271 | for num_coords in [2,3,4]:
|
|---|
| 272 | for argtype in ['d', 'f', 'i', 's']:
|
|---|
| 273 | func_name = 'Vertex%d%s' % (num_coords, argtype)
|
|---|
| 274 | for swap in range(0, 2):
|
|---|
| 275 | for count in range(0, 2):
|
|---|
| 276 | for vec in range(0, 2):
|
|---|
| 277 | PrintFunction( func_name, "", num_coords, argtype, swap,
|
|---|
| 278 | count, vec )
|
|---|
| 279 |
|
|---|
| 280 | for num_coords in [1,2,3,4]:
|
|---|
| 281 | for argtype in ['d', 'f', 's']:
|
|---|
| 282 | func_name = 'VertexAttrib%d%s' % (num_coords, argtype)
|
|---|
| 283 | for swap in range(0, 2):
|
|---|
| 284 | for count in range(0, 2):
|
|---|
| 285 | for vec in range(0, 2):
|
|---|
| 286 | PrintFunction( func_name, "ARB", num_coords, argtype, swap,
|
|---|
| 287 | count, vec )
|
|---|
| 288 |
|
|---|
| 289 | # Special vector functions
|
|---|
| 290 | moreFuncs = [ [ "VertexAttrib4ubv", "ub" ],
|
|---|
| 291 | [ "VertexAttrib4usv", "us" ],
|
|---|
| 292 | [ "VertexAttrib4uiv", "ui" ],
|
|---|
| 293 | [ "VertexAttrib4bv", "b" ],
|
|---|
| 294 | [ "VertexAttrib4iv", "i" ],
|
|---|
| 295 | [ "VertexAttrib4Nbv", "Nb" ],
|
|---|
| 296 | [ "VertexAttrib4Nsv", "Ns" ],
|
|---|
| 297 | [ "VertexAttrib4Niv", "Ni" ],
|
|---|
| 298 | [ "VertexAttrib4Nubv", "Nub" ],
|
|---|
| 299 | [ "VertexAttrib4Nusv", "Nus" ],
|
|---|
| 300 | [ "VertexAttrib4Nuiv", "Nui" ]
|
|---|
| 301 | ]
|
|---|
| 302 | for (func_name, argtype) in moreFuncs:
|
|---|
| 303 | vec = 2 # special, hacked value
|
|---|
| 304 | num_coords = 4
|
|---|
| 305 | for swap in range(0, 2):
|
|---|
| 306 | for count in range(0, 2):
|
|---|
| 307 | PrintFunction( func_name, "ARB", num_coords, argtype, swap, count, vec )
|
|---|
| 308 |
|
|---|
| 309 | # Special non-vector functions
|
|---|
| 310 | moreFuncs = [ [ "VertexAttrib4Nub", "Nub" ] ]
|
|---|
| 311 | for (func_name, argtype) in moreFuncs:
|
|---|
| 312 | vec = 0
|
|---|
| 313 | num_coords = 4
|
|---|
| 314 | for swap in range(0, 2):
|
|---|
| 315 | for count in range(0, 2):
|
|---|
| 316 | PrintFunction( func_name, "ARB", num_coords, argtype, swap, count, vec )
|
|---|
