From b806c3056f17685c8e6214ce946cd282c656107a Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Sun, 18 Apr 2010 08:51:16 -0600 Subject: softpipe: document MAX_QUADS --- src/gallium/drivers/softpipe/sp_setup.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'src/gallium/drivers/softpipe') diff --git a/src/gallium/drivers/softpipe/sp_setup.c b/src/gallium/drivers/softpipe/sp_setup.c index e136cb7cf7..42c254c7a8 100644 --- a/src/gallium/drivers/softpipe/sp_setup.c +++ b/src/gallium/drivers/softpipe/sp_setup.c @@ -59,6 +59,11 @@ struct edge { }; +/** + * Max number of quads (2x2 pixel blocks) to process per batch. + * This can't be arbitrarily increased since we depend on some 32-bit + * bitmasks (two bits per quad). + */ #define MAX_QUADS 16 @@ -204,7 +209,7 @@ static INLINE int block_x( int x ) */ static void flush_spans( struct setup_context *setup ) { - const int step = 16; + const int step = MAX_QUADS; const int xleft0 = setup->span.left[0]; const int xleft1 = setup->span.left[1]; const int xright0 = setup->span.right[0]; -- cgit v1.2.3