From c37d2c9325a39287e29c22ab0e6838e7e35c7175 Mon Sep 17 00:00:00 2001 From: Brian Date: Fri, 28 Dec 2007 14:18:18 -0700 Subject: [PATCH] fix single-sided stencil test bug --- src/mesa/pipe/softpipe/sp_quad_stencil.c | 20 +++++++++++++------- 1 file changed, 13 insertions(+), 7 deletions(-) diff --git a/src/mesa/pipe/softpipe/sp_quad_stencil.c b/src/mesa/pipe/softpipe/sp_quad_stencil.c index a688a06c747..33740883d33 100644 --- a/src/mesa/pipe/softpipe/sp_quad_stencil.c +++ b/src/mesa/pipe/softpipe/sp_quad_stencil.c @@ -208,16 +208,22 @@ stencil_test_quad(struct quad_stage *qs, struct quad_header *quad) struct softpipe_cached_tile *tile = sp_get_cached_tile(softpipe, softpipe->sbuf_cache, quad->x0, quad->y0); uint j; + uint face = quad->facing; + + if (!softpipe->depth_stencil->stencil[1].enabled) { + /* single-sided stencil test, use front (face=0) state */ + face = 0; + } /* choose front or back face function, operator, etc */ /* XXX we could do these initializations once per primitive */ - func = softpipe->depth_stencil->stencil[quad->facing].func; - failOp = softpipe->depth_stencil->stencil[quad->facing].fail_op; - zFailOp = softpipe->depth_stencil->stencil[quad->facing].zfail_op; - zPassOp = softpipe->depth_stencil->stencil[quad->facing].zpass_op; - ref = softpipe->depth_stencil->stencil[quad->facing].ref_value; - wrtMask = softpipe->depth_stencil->stencil[quad->facing].write_mask; - valMask = softpipe->depth_stencil->stencil[quad->facing].value_mask; + func = softpipe->depth_stencil->stencil[face].func; + failOp = softpipe->depth_stencil->stencil[face].fail_op; + zFailOp = softpipe->depth_stencil->stencil[face].zfail_op; + zPassOp = softpipe->depth_stencil->stencil[face].zpass_op; + ref = softpipe->depth_stencil->stencil[face].ref_value; + wrtMask = softpipe->depth_stencil->stencil[face].write_mask; + valMask = softpipe->depth_stencil->stencil[face].value_mask; assert(ps); /* shouldn't get here if there's no stencil buffer */ -- 2.30.2