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authorBrian <brian.paul@tungstengraphics.com>2007-07-10 16:25:43 -0600
committerBrian <brian.paul@tungstengraphics.com>2007-07-10 16:25:43 -0600
commitd015d2e0f45ad8e79ccb256b612597ef8ed51d4a (patch)
treee534f2026f90f9bd585c9397af06f92ccf1e1e07 /src/mesa/pipe/softpipe/sp_quad_depth_test.c
parent093d1b42d0d867dae1bcb59d36f3f309994badff (diff)
Fill in remaining switch cases. Only call next stage if quad->mask != 0.
Diffstat (limited to 'src/mesa/pipe/softpipe/sp_quad_depth_test.c')
-rw-r--r--src/mesa/pipe/softpipe/sp_quad_depth_test.c26
1 files changed, 24 insertions, 2 deletions
diff --git a/src/mesa/pipe/softpipe/sp_quad_depth_test.c b/src/mesa/pipe/softpipe/sp_quad_depth_test.c
index 0b5d909b2d..268a1f947e 100644
--- a/src/mesa/pipe/softpipe/sp_quad_depth_test.c
+++ b/src/mesa/pipe/softpipe/sp_quad_depth_test.c
@@ -74,6 +74,7 @@ depth_test_quad(struct quad_stage *qs, struct quad_header *quad)
switch (softpipe->depth_test.func) {
case PIPE_FUNC_NEVER:
+ /* zmask = 0 */
break;
case PIPE_FUNC_LESS:
/* Note this is pretty much a single sse or cell instruction.
@@ -96,7 +97,27 @@ depth_test_quad(struct quad_stage *qs, struct quad_header *quad)
zmask |= (1 << j);
}
break;
- /* XXX fill in remaining cases */
+ case PIPE_FUNC_GREATER:
+ for (j = 0; j < QUAD_SIZE; j++) {
+ if (qzzzz[j] > bzzzz[j])
+ zmask |= (1 << j);
+ }
+ break;
+ case PIPE_FUNC_NOTEQUAL:
+ for (j = 0; j < QUAD_SIZE; j++) {
+ if (qzzzz[j] != bzzzz[j])
+ zmask |= (1 << j);
+ }
+ break;
+ case PIPE_FUNC_GEQUAL:
+ for (j = 0; j < QUAD_SIZE; j++) {
+ if (qzzzz[j] >= bzzzz[j])
+ zmask |= (1 << j);
+ }
+ break;
+ case PIPE_FUNC_ALWAYS:
+ zmask = MASK_ALL;
+ break;
default:
abort();
}
@@ -117,7 +138,8 @@ depth_test_quad(struct quad_stage *qs, struct quad_header *quad)
sps->write_quad_z(sps, quad->x0, quad->y0, bzzzz);
}
- qs->next->run(qs->next, quad);
+ if (quad->mask)
+ qs->next->run(qs->next, quad);
}