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-rw-r--r--src/gallium/auxiliary/indices/u_indices_gen.py319
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diff --git a/src/gallium/auxiliary/indices/u_indices_gen.py b/src/gallium/auxiliary/indices/u_indices_gen.py
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+#!/usr/bin/env python
+copyright = '''
+/*
+ * Copyright 2009 VMware, Inc.
+ * 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
+ * VMWARE AND/OR THEIR 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.
+ */
+'''
+
+GENERATE, UBYTE, USHORT, UINT = 'generate', 'ubyte', 'ushort', 'uint'
+FIRST, LAST = 'first', 'last'
+
+INTYPES = (GENERATE, UBYTE, USHORT, UINT)
+OUTTYPES = (USHORT, UINT)
+PVS=(FIRST, LAST)
+PRIMS=('points',
+ 'lines',
+ 'linestrip',
+ 'lineloop',
+ 'tris',
+ 'trifan',
+ 'tristrip',
+ 'quads',
+ 'quadstrip',
+ 'polygon')
+
+LONGPRIMS=('PIPE_PRIM_POINTS',
+ 'PIPE_PRIM_LINES',
+ 'PIPE_PRIM_LINE_STRIP',
+ 'PIPE_PRIM_LINE_LOOP',
+ 'PIPE_PRIM_TRIANGLES',
+ 'PIPE_PRIM_TRIANGLE_FAN',
+ 'PIPE_PRIM_TRIANGLE_STRIP',
+ 'PIPE_PRIM_QUADS',
+ 'PIPE_PRIM_QUAD_STRIP',
+ 'PIPE_PRIM_POLYGON')
+
+longprim = dict(zip(PRIMS, LONGPRIMS))
+intype_idx = dict(ubyte='IN_UBYTE', ushort='IN_USHORT', uint='IN_UINT')
+outtype_idx = dict(ushort='OUT_USHORT', uint='OUT_UINT')
+pv_idx = dict(first='PV_FIRST', last='PV_LAST')
+
+
+def prolog():
+ print '''/* File automatically generated by indices.py */'''
+ print copyright
+ print r'''
+
+/**
+ * @file
+ * Functions to translate and generate index lists
+ */
+
+#include "indices/u_indices.h"
+#include "indices/u_indices_priv.h"
+#include "pipe/p_compiler.h"
+#include "pipe/p_debug.h"
+#include "pipe/p_defines.h"
+#include "util/u_memory.h"
+
+
+static unsigned out_size_idx( unsigned index_size )
+{
+ switch (index_size) {
+ case 4: return OUT_UINT;
+ case 2: return OUT_USHORT;
+ default: assert(0); return OUT_USHORT;
+ }
+}
+
+static unsigned in_size_idx( unsigned index_size )
+{
+ switch (index_size) {
+ case 4: return IN_UINT;
+ case 2: return IN_USHORT;
+ case 1: return IN_UBYTE;
+ default: assert(0); return IN_UBYTE;
+ }
+}
+
+
+static u_translate_func translate[IN_COUNT][OUT_COUNT][PV_COUNT][PV_COUNT][PRIM_COUNT];
+static u_generate_func generate[OUT_COUNT][PV_COUNT][PV_COUNT][PRIM_COUNT];
+
+
+'''
+
+def vert( intype, outtype, v0 ):
+ if intype == GENERATE:
+ return '(' + outtype + ')(' + v0 + ')'
+ else:
+ return '(' + outtype + ')in[' + v0 + ']'
+
+def point( intype, outtype, ptr, v0 ):
+ print ' (' + ptr + ')[0] = ' + vert( intype, outtype, v0 ) + ';'
+
+def line( intype, outtype, ptr, v0, v1 ):
+ print ' (' + ptr + ')[0] = ' + vert( intype, outtype, v0 ) + ';'
+ print ' (' + ptr + ')[1] = ' + vert( intype, outtype, v1 ) + ';'
+
+def tri( intype, outtype, ptr, v0, v1, v2 ):
+ print ' (' + ptr + ')[0] = ' + vert( intype, outtype, v0 ) + ';'
+ print ' (' + ptr + ')[1] = ' + vert( intype, outtype, v1 ) + ';'
+ print ' (' + ptr + ')[2] = ' + vert( intype, outtype, v2 ) + ';'
+
+def do_point( intype, outtype, ptr, v0 ):
+ point( intype, outtype, ptr, v0 )
+
+def do_line( intype, outtype, ptr, v0, v1, inpv, outpv ):
+ if inpv == outpv:
+ line( intype, outtype, ptr, v0, v1 )
+ else:
+ line( intype, outtype, ptr, v1, v0 )
+
+def do_tri( intype, outtype, ptr, v0, v1, v2, inpv, outpv ):
+ if inpv == outpv:
+ tri( intype, outtype, ptr, v0, v1, v2 )
+ else:
+ if inpv == FIRST:
+ tri( intype, outtype, ptr, v1, v2, v0 )
+ else:
+ tri( intype, outtype, ptr, v2, v0, v1 )
+
+def do_quad( intype, outtype, ptr, v0, v1, v2, v3, inpv, outpv ):
+ do_tri( intype, outtype, ptr+'+0', v0, v1, v3, inpv, outpv );
+ do_tri( intype, outtype, ptr+'+3', v1, v2, v3, inpv, outpv );
+
+def name(intype, outtype, inpv, outpv, prim):
+ if intype == GENERATE:
+ return 'generate_' + prim + '_' + outtype + '_' + inpv + '2' + outpv
+ else:
+ return 'translate_' + prim + '_' + intype + '2' + outtype + '_' + inpv + '2' + outpv
+
+def preamble(intype, outtype, inpv, outpv, prim):
+ print 'static void ' + name( intype, outtype, inpv, outpv, prim ) + '('
+ if intype != GENERATE:
+ print ' const void * _in,'
+ print ' unsigned nr,'
+ print ' void *_out )'
+ print '{'
+ if intype != GENERATE:
+ print ' const ' + intype + '*in = (const ' + intype + '*)_in;'
+ print ' ' + outtype + ' *out = (' + outtype + '*)_out;'
+ print ' unsigned i, j;'
+ print ' (void)j;'
+
+def postamble():
+ print '}'
+
+
+def points(intype, outtype, inpv, outpv):
+ preamble(intype, outtype, inpv, outpv, prim='points')
+ print ' for (i = 0; i < nr; i++) { '
+ do_point( intype, outtype, 'out+i', 'i' );
+ print ' }'
+ postamble()
+
+def lines(intype, outtype, inpv, outpv):
+ preamble(intype, outtype, inpv, outpv, prim='lines')
+ print ' for (i = 0; i < nr; i+=2) { '
+ do_line( intype, outtype, 'out+i', 'i', 'i+1', inpv, outpv );
+ print ' }'
+ postamble()
+
+def linestrip(intype, outtype, inpv, outpv):
+ preamble(intype, outtype, inpv, outpv, prim='linestrip')
+ print ' for (j = i = 0; j < nr; j+=2, i++) { '
+ do_line( intype, outtype, 'out+j', 'i', 'i+1', inpv, outpv );
+ print ' }'
+ postamble()
+
+def lineloop(intype, outtype, inpv, outpv):
+ preamble(intype, outtype, inpv, outpv, prim='lineloop')
+ print ' for (j = i = 0; j < nr - 2; j+=2, i++) { '
+ do_line( intype, outtype, 'out+j', 'i', 'i+1', inpv, outpv );
+ print ' }'
+ do_line( intype, outtype, 'out+j', 'i', '0', inpv, outpv );
+ postamble()
+
+def tris(intype, outtype, inpv, outpv):
+ preamble(intype, outtype, inpv, outpv, prim='tris')
+ print ' for (i = 0; i < nr; i+=3) { '
+ do_tri( intype, outtype, 'out+i', 'i', 'i+1', 'i+2', inpv, outpv );
+ print ' }'
+ postamble()
+
+
+def tristrip(intype, outtype, inpv, outpv):
+ preamble(intype, outtype, inpv, outpv, prim='tristrip')
+ print ' for (j = i = 0; j < nr; j+=3, i++) { '
+ if inpv == FIRST:
+ do_tri( intype, outtype, 'out+j', 'i', 'i+1+(i&1)', 'i+2-(i&1)', inpv, outpv );
+ else:
+ do_tri( intype, outtype, 'out+j', 'i+(i&1)', 'i+1-(i&1)', 'i+2', inpv, outpv );
+ print ' }'
+ postamble()
+
+
+def trifan(intype, outtype, inpv, outpv):
+ preamble(intype, outtype, inpv, outpv, prim='trifan')
+ print ' for (j = i = 0; j < nr; j+=3, i++) { '
+ do_tri( intype, outtype, 'out+j', '0', 'i+1', 'i+2', inpv, outpv );
+ print ' }'
+ postamble()
+
+
+
+def polygon(intype, outtype, inpv, outpv):
+ preamble(intype, outtype, inpv, outpv, prim='polygon')
+ print ' for (j = i = 0; j < nr; j+=3, i++) { '
+ if inpv == FIRST:
+ do_tri( intype, outtype, 'out+j', '0', 'i+1', 'i+2', inpv, outpv );
+ else:
+ do_tri( intype, outtype, 'out+j', 'i+1', 'i+2', '0', inpv, outpv );
+ print ' }'
+ postamble()
+
+
+def quads(intype, outtype, inpv, outpv):
+ preamble(intype, outtype, inpv, outpv, prim='quads')
+ print ' for (j = i = 0; j < nr; j+=6, i+=4) { '
+ do_quad( intype, outtype, 'out+j', 'i+0', 'i+1', 'i+2', 'i+3', inpv, outpv );
+ print ' }'
+ postamble()
+
+
+def quadstrip(intype, outtype, inpv, outpv):
+ preamble(intype, outtype, inpv, outpv, prim='quadstrip')
+ print ' for (j = i = 0; j < nr; j+=6, i+=2) { '
+ do_quad( intype, outtype, 'out+j', 'i+2', 'i+0', 'i+1', 'i+3', inpv, outpv );
+ print ' }'
+ postamble()
+
+
+def emit_funcs():
+ for intype in INTYPES:
+ for outtype in OUTTYPES:
+ for inpv in (FIRST, LAST):
+ for outpv in (FIRST, LAST):
+ points(intype, outtype, inpv, outpv)
+ lines(intype, outtype, inpv, outpv)
+ linestrip(intype, outtype, inpv, outpv)
+ lineloop(intype, outtype, inpv, outpv)
+ tris(intype, outtype, inpv, outpv)
+ tristrip(intype, outtype, inpv, outpv)
+ trifan(intype, outtype, inpv, outpv)
+ quads(intype, outtype, inpv, outpv)
+ quadstrip(intype, outtype, inpv, outpv)
+ polygon(intype, outtype, inpv, outpv)
+
+def init(intype, outtype, inpv, outpv, prim):
+ if intype == GENERATE:
+ print ('generate[' +
+ outtype_idx[outtype] +
+ '][' + pv_idx[inpv] +
+ '][' + pv_idx[outpv] +
+ '][' + longprim[prim] +
+ '] = ' + name( intype, outtype, inpv, outpv, prim ) + ';')
+ else:
+ print ('translate[' +
+ intype_idx[intype] +
+ '][' + outtype_idx[outtype] +
+ '][' + pv_idx[inpv] +
+ '][' + pv_idx[outpv] +
+ '][' + longprim[prim] +
+ '] = ' + name( intype, outtype, inpv, outpv, prim ) + ';')
+
+
+def emit_all_inits():
+ for intype in INTYPES:
+ for outtype in OUTTYPES:
+ for inpv in PVS:
+ for outpv in PVS:
+ for prim in PRIMS:
+ init(intype, outtype, inpv, outpv, prim)
+
+def emit_init():
+ print 'void u_index_init( void )'
+ print '{'
+ print ' static int firsttime = 1;'
+ print ' if (!firsttime) return;'
+ print ' firsttime = 0;'
+ emit_all_inits()
+ print '}'
+
+
+
+
+def epilog():
+ print '#include "indices/u_indices.c"'
+
+
+def main():
+ prolog()
+ emit_funcs()
+ emit_init()
+ epilog()
+
+
+if __name__ == '__main__':
+ main()
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