From: Brian <brian.paul@tungstengraphics.com>
Date: Mon, 25 Jun 2007 15:44:28 +0000 (-0600)
Subject: emit quad->outputs.depth[], hack need_z
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=0717daf4f9861647ae486e0231a56df529630c76;p=mesa.git

emit quad->outputs.depth[], hack need_z
---

diff --git a/src/mesa/pipe/softpipe/sp_quad_fs.c b/src/mesa/pipe/softpipe/sp_quad_fs.c
index 02fcc054679..b4470ac94a5 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