gallium/auxiliary/indices: add start param

Add 'start' parameter to generator/translator.

Signed-off-by: Rob Clark <[email protected]>
Reviewed-by: Brian Paul <[email protected]>

1 files changed, 7 insertions, 6 deletions

diff --git a/src/gallium/auxiliary/indices/u_unfilled_gen.py b/src/gallium/auxiliary/indices/u_unfilled_gen.py
index 085c47a114a..88649724521 100644
--- a/src/gallium/auxiliary/indices/u_unfilled_gen.py
+++ b/src/gallium/auxiliary/indices/u_unfilled_gen.py
@@ -127,6 +127,7 @@ def preamble(intype, outtype, prim):
     print 'static void ' + name( intype, outtype, prim ) + '('
     if intype != GENERATE:
         print '    const void * _in,'
+    print '    unsigned start,'
     print '    unsigned nr,'
     print '    void *_out )'
     print '{'
@@ -142,7 +143,7 @@ def postamble():
 
 def tris(intype, outtype):
     preamble(intype, outtype, prim='tris')
-    print '  for (j = i = 0; j < nr; j+=6, i+=3) { '
+    print '  for (i = start, j = 0; j < nr; j+=6, i+=3) { '
     do_tri( intype, outtype, 'out+j',  'i', 'i+1', 'i+2' );
     print '   }'
     postamble()
@@ -150,7 +151,7 @@ def tris(intype, outtype):
 
 def tristrip(intype, outtype):
     preamble(intype, outtype, prim='tristrip')
-    print '  for (j = i = 0; j < nr; j+=6, i++) { '
+    print '  for (i = start, j = 0; j < nr; j+=6, i++) { '
     do_tri( intype, outtype, 'out+j',  'i', 'i+1/*+(i&1)*/', 'i+2/*-(i&1)*/' );
     print '   }'
     postamble()
@@ -158,7 +159,7 @@ def tristrip(intype, outtype):
 
 def trifan(intype, outtype):
     preamble(intype, outtype, prim='trifan')
-    print '  for (j = i = 0; j < nr; j+=6, i++) { '
+    print '  for (i = start, j = 0; j < nr; j+=6, i++) { '
     do_tri( intype, outtype, 'out+j',  '0', 'i+1', 'i+2' );
     print '   }'
     postamble()
@@ -167,7 +168,7 @@ def trifan(intype, outtype):
 
 def polygon(intype, outtype):
     preamble(intype, outtype, prim='polygon')
-    print '  for (j = i = 0; j < nr; j+=2, i++) { '
+    print '  for (i = start, j = 0; j < nr; j+=2, i++) { '
     line( intype, outtype, 'out+j', 'i', '(i+1)%(nr/2)' )
     print '   }'
     postamble()
@@ -175,7 +176,7 @@ def polygon(intype, outtype):
 
 def quads(intype, outtype):
     preamble(intype, outtype, prim='quads')
-    print '  for (j = i = 0; j < nr; j+=8, i+=4) { '
+    print '  for (i = start, j = 0; j < nr; j+=8, i+=4) { '
     do_quad( intype, outtype, 'out+j', 'i+0', 'i+1', 'i+2', 'i+3' );
     print '   }'
     postamble()
@@ -183,7 +184,7 @@ def quads(intype, outtype):
 
 def quadstrip(intype, outtype):
     preamble(intype, outtype, prim='quadstrip')
-    print '  for (j = i = 0; j < nr; j+=8, i+=2) { '
+    print '  for (i = start, j = 0; j < nr; j+=8, i+=2) { '
     do_quad( intype, outtype, 'out+j', 'i+2', 'i+0', 'i+1', 'i+3' );
     print '   }'
     postamble()