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authorBrian <brian.paul@tungstengraphics.com>2007-06-25 09:44:28 -0600
committerBrian <brian.paul@tungstengraphics.com>2007-06-25 09:44:28 -0600
commit0717daf4f9861647ae486e0231a56df529630c76 (patch)
tree98bf9fef982d66716aab6569232158a136c36914 /src/mesa/pipe
parent8f6d06d037524f012416da5b56889e74bcf09f8f (diff)
emit quad->outputs.depth[], hack need_z
Diffstat (limited to 'src/mesa/pipe')
-rw-r--r--src/mesa/pipe/softpipe/sp_quad_fs.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/src/mesa/pipe/softpipe/sp_quad_fs.c b/src/mesa/pipe/softpipe/sp_quad_fs.c
index 02fcc05467..b4470ac94a 100644
--- a/src/mesa/pipe/softpipe/sp_quad_fs.c
+++ b/src/mesa/pipe/softpipe/sp_quad_fs.c
@@ -125,6 +125,7 @@ shade_quad( struct quad_stage *qs, struct quad_header *quad )
GLfloat fx = quad->x0;
GLfloat fy = quad->y0;
GLuint i, j;
+ GLboolean need_z = softpipe->depth_test.enabled; /* XXX hack */
exec.coef = quad->coef;
@@ -143,12 +144,12 @@ shade_quad( struct quad_stage *qs, struct quad_header *quad )
/* Z and W are done by linear interpolation:
* XXX we'll probably have to use integers for Z
*/
- if (softpipe->need_z) {
- linterp(&exec, 0, 2);
+ if (/*softpipe->*/need_z) {
+ linterp(&exec, 0, 2); /* attr[0].z */
}
if (softpipe->need_w) {
- linterp(&exec, 0, 3);
+ linterp(&exec, 0, 3); /* attr[0].w */
// invert(&exec, 0, 3);
}
@@ -189,6 +190,13 @@ shade_quad( struct quad_stage *qs, struct quad_header *quad )
memcpy(quad->outputs.color,
exec.attr[attr],
sizeof(quad->outputs.color));
+
+ if (need_z) {
+ quad->outputs.depth[0] = exec.attr[0][2][0];
+ quad->outputs.depth[1] = exec.attr[0][2][1];
+ quad->outputs.depth[2] = exec.attr[0][2][2];
+ quad->outputs.depth[3] = exec.attr[0][2][3];
+ }
}
#endif