From 8d752a20c6f70b442ac2210cce0fd001499be5f6 Mon Sep 17 00:00:00 2001 From: Keith Whitwell Date: Tue, 20 Oct 2009 08:56:58 +0100 Subject: llvmpipe: build list of 4x4 blocks to be shaded --- src/gallium/drivers/llvmpipe/lp_rast_tri.c | 38 ++++++++++++++++++++---------- 1 file changed, 26 insertions(+), 12 deletions(-) (limited to 'src') diff --git a/src/gallium/drivers/llvmpipe/lp_rast_tri.c b/src/gallium/drivers/llvmpipe/lp_rast_tri.c index 567e223168..12ac840ef2 100644 --- a/src/gallium/drivers/llvmpipe/lp_rast_tri.c +++ b/src/gallium/drivers/llvmpipe/lp_rast_tri.c @@ -36,30 +36,33 @@ #define BLOCKSIZE 4 - +static struct { + int x; + int y; + unsigned mask; +} blocks[256]; +static int nr_blocks; /* Render a 4x4 unmasked block: */ static void block_full_4( struct lp_rasterizer *rast, - const struct lp_rast_triangle *tri, int x, int y ) { - unsigned mask = ~0; - - lp_rast_shade_quads(rast, &tri->inputs, x, y, mask); + blocks[nr_blocks].x = x; + blocks[nr_blocks].y = y; + blocks[nr_blocks].mask = ~0; + nr_blocks++; } static void block_full_16( struct lp_rasterizer *rast, - const struct lp_rast_triangle *tri, int x, int y ) { - unsigned mask = ~0; unsigned ix, iy; for (iy = 0; iy < 16; iy+=4) for (ix = 0; ix < 16; ix+=4) - lp_rast_shade_quads(rast, &tri->inputs, x + ix, y + iy , mask); + block_full_4(rast, x + ix, y + iy); } @@ -87,8 +90,12 @@ do_block_4( struct lp_rasterizer *rast, /* As we do trivial reject already, masks should rarely be all * zero: */ - if (mask) - lp_rast_shade_quads(rast, &tri->inputs, x, y, mask ); + if (mask) { + blocks[nr_blocks].x = x; + blocks[nr_blocks].y = y; + blocks[nr_blocks].mask = mask; + nr_blocks++; + } } static void @@ -126,7 +133,7 @@ do_block_16( struct lp_rasterizer *rast, cx2 + ei2 > 0 && cx3 + ei3 > 0) { - block_full_4(rast, tri, x+ix, y+iy); /* trivial accept */ + block_full_4(rast, x+ix, y+iy); /* trivial accept */ } else { @@ -162,6 +169,7 @@ void lp_rast_triangle( struct lp_rasterizer *rast, debug_printf("%s\n", __FUNCTION__); + nr_blocks = 0; for (iy = 0; iy < 64; iy+=16) { @@ -180,7 +188,7 @@ void lp_rast_triangle( struct lp_rasterizer *rast, cx2 + ei2 > 0 && cx3 + ei3 > 0) { - block_full_16(rast, tri, x+ix, y+iy); /* trivial accept */ + block_full_16(rast, x+ix, y+iy); /* trivial accept */ } else { @@ -188,5 +196,11 @@ void lp_rast_triangle( struct lp_rasterizer *rast, } } } + + for (i = 0; i < nr_blocks; i++) + lp_rast_shade_quads(rast, &tri->inputs, + blocks[i].x, + blocks[i].y, + blocks[i].mask); } -- cgit v1.2.3