diff options
Diffstat (limited to 'src/gallium/drivers/softpipe/sp_quad_stipple.c')
-rw-r--r-- | src/gallium/drivers/softpipe/sp_quad_stipple.c | 48 |
1 files changed, 27 insertions, 21 deletions
diff --git a/src/gallium/drivers/softpipe/sp_quad_stipple.c b/src/gallium/drivers/softpipe/sp_quad_stipple.c index 07162db7b6..05665d8e26 100644 --- a/src/gallium/drivers/softpipe/sp_quad_stipple.c +++ b/src/gallium/drivers/softpipe/sp_quad_stipple.c @@ -14,40 +14,46 @@ * Apply polygon stipple to quads produced by triangle rasterization */ static void -stipple_quad(struct quad_stage *qs, struct quad_header *quad) +stipple_quad(struct quad_stage *qs, struct quad_header *quads[], unsigned nr) { static const uint bit31 = 1 << 31; static const uint bit30 = 1 << 30; + unsigned pass = nr; - if (quad->input.prim == QUAD_PRIM_TRI) { + if (quads[0]->input.prim == QUAD_PRIM_TRI) { struct softpipe_context *softpipe = qs->softpipe; - /* need to invert Y to index into OpenGL's stipple pattern */ - const int col0 = quad->input.x0 % 32; - const int y0 = quad->input.y0; - const int y1 = y0 + 1; - const uint stipple0 = softpipe->poly_stipple.stipple[y0 % 32]; - const uint stipple1 = softpipe->poly_stipple.stipple[y1 % 32]; + unsigned q; - /* turn off quad mask bits that fail the stipple test */ - if ((stipple0 & (bit31 >> col0)) == 0) - quad->inout.mask &= ~MASK_TOP_LEFT; + pass = 0; - if ((stipple0 & (bit30 >> col0)) == 0) - quad->inout.mask &= ~MASK_TOP_RIGHT; + for (q = 0; q < nr; q++) { + struct quad_header *quad = quads[q]; - if ((stipple1 & (bit31 >> col0)) == 0) - quad->inout.mask &= ~MASK_BOTTOM_LEFT; + const int col0 = quad->input.x0 % 32; + const int y0 = quad->input.y0; + const int y1 = y0 + 1; + const uint stipple0 = softpipe->poly_stipple.stipple[y0 % 32]; + const uint stipple1 = softpipe->poly_stipple.stipple[y1 % 32]; - if ((stipple1 & (bit30 >> col0)) == 0) - quad->inout.mask &= ~MASK_BOTTOM_RIGHT; + /* turn off quad mask bits that fail the stipple test */ + if ((stipple0 & (bit31 >> col0)) == 0) + quad->inout.mask &= ~MASK_TOP_LEFT; - if (!quad->inout.mask) { - /* all fragments failed stipple test, end of quad pipeline */ - return; + if ((stipple0 & (bit30 >> col0)) == 0) + quad->inout.mask &= ~MASK_TOP_RIGHT; + + if ((stipple1 & (bit31 >> col0)) == 0) + quad->inout.mask &= ~MASK_BOTTOM_LEFT; + + if ((stipple1 & (bit30 >> col0)) == 0) + quad->inout.mask &= ~MASK_BOTTOM_RIGHT; + + if (quad->inout.mask) + quads[pass++] = quad; } } - qs->next->run(qs->next, quad); + qs->next->run(qs->next, quads, pass); } |