diff options
author | Keith Whitwell <keithw@vmware.com> | 2009-07-24 16:49:35 +0100 |
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committer | Keith Whitwell <keithw@vmware.com> | 2009-07-24 16:49:35 +0100 |
commit | ab9fb5167023a26566b53e98f206dd73a18000f3 (patch) | |
tree | 8c0942f9a0fd31173e5dd18be0a5ef88a4b83ff3 /src/gallium/drivers/softpipe/sp_quad_earlyz.c | |
parent | 6153a1c28f118be1a74ffee0e19c16fb83b5cab7 (diff) |
softpipe: expand quad pipeline to process >1 quad at a time
This is part one -- we still only pass a single quad down, but
the code can now cope with more. The quads must all be from the same
tile.
Diffstat (limited to 'src/gallium/drivers/softpipe/sp_quad_earlyz.c')
-rw-r--r-- | src/gallium/drivers/softpipe/sp_quad_earlyz.c | 28 |
1 files changed, 17 insertions, 11 deletions
diff --git a/src/gallium/drivers/softpipe/sp_quad_earlyz.c b/src/gallium/drivers/softpipe/sp_quad_earlyz.c index 496fd39ed1..1048d44984 100644 --- a/src/gallium/drivers/softpipe/sp_quad_earlyz.c +++ b/src/gallium/drivers/softpipe/sp_quad_earlyz.c @@ -43,20 +43,26 @@ static void earlyz_quad( struct quad_stage *qs, - struct quad_header *quad ) + struct quad_header *quads[], + unsigned nr ) { - const float fx = (float) quad->input.x0; - const float fy = (float) quad->input.y0; - const float dzdx = quad->posCoef->dadx[2]; - const float dzdy = quad->posCoef->dady[2]; - const float z0 = quad->posCoef->a0[2] + dzdx * fx + dzdy * fy; + const float a0z = quads[0]->posCoef->a0[2]; + const float dzdx = quads[0]->posCoef->dadx[2]; + const float dzdy = quads[0]->posCoef->dady[2]; + unsigned i; - quad->output.depth[0] = z0; - quad->output.depth[1] = z0 + dzdx; - quad->output.depth[2] = z0 + dzdy; - quad->output.depth[3] = z0 + dzdx + dzdy; + for (i = 0; i < nr; i++) { + const float fx = (float) quads[i]->input.x0; + const float fy = (float) quads[i]->input.y0; + const float z0 = a0z + dzdx * fx + dzdy * fy; - qs->next->run( qs->next, quad ); + quads[i]->output.depth[0] = z0; + quads[i]->output.depth[1] = z0 + dzdx; + quads[i]->output.depth[2] = z0 + dzdy; + quads[i]->output.depth[3] = z0 + dzdx + dzdy; + } + + qs->next->run( qs->next, quads, nr ); } static void |