r300g/swtcl: fix secondary color and back-face color outputs

These piglit tests have been fixed:
- bgra-sec-color-pointer
- glsl-routing

See comments at the beginning of r300_vs_draw.c

WPOS is implemented too but it doesn't work yet. I'm still working on it.

1 files changed, 16 insertions, 2 deletions

diff --git a/src/gallium/drivers/r300/r300_state_derived.c b/src/gallium/drivers/r300/r300_state_derived.c
index 7583862a1a..20f24e8b04 100644
--- a/src/gallium/drivers/r300/r300_state_derived.c
+++ b/src/gallium/drivers/r300/r300_state_derived.c
@@ -90,7 +90,13 @@ static void r300_draw_emit_all_attribs(struct r300_context* r300)
         }
     }
 
-    /* XXX Back-face colors. */
+    /* Back-face colors. */
+    for (i = 0; i < ATTR_COLOR_COUNT; i++) {
+        if (vs_outputs->bcolor[i] != ATTR_UNUSED) {
+            r300_draw_emit_attrib(r300, EMIT_4F, INTERP_LINEAR,
+                                  vs_outputs->bcolor[i]);
+        }
+    }
 
     /* Texture coordinates. */
     /* Only 8 generic vertex attributes can be used. If there are more,
@@ -110,6 +116,14 @@ static void r300_draw_emit_all_attribs(struct r300_context* r300)
                               vs_outputs->fog);
         gen_count++;
     }
+
+    /* WPOS. */
+    if (r300_fs(r300)->shader->inputs.wpos != ATTR_UNUSED && gen_count < 8) {
+        DBG(r300, DBG_DRAW, "draw_emit_attrib: WPOS, index: %i\n",
+            vs_outputs->wpos);
+        r300_draw_emit_attrib(r300, EMIT_4F, INTERP_PERSPECTIVE,
+                              vs_outputs->wpos);
+    }
 }
 
 /* Update the PSC tables for SW TCL, using Draw. */
@@ -129,7 +143,7 @@ static void r300_swtcl_vertex_psc(struct r300_context *r300)
     attrib_count = vinfo->num_attribs;
     DBG(r300, DBG_DRAW, "r300: attrib count: %d\n", attrib_count);
     for (i = 0; i < attrib_count; i++) {
-        DBG(r300, DBG_DRAW, "r300: attrib: offset %d, interp %d, size %d,"
+        DBG(r300, DBG_DRAW, "r300: attrib: index %d, interp %d, emit %d,"
                " vs_output_tab %d\n", vinfo->attrib[i].src_index,
                vinfo->attrib[i].interp_mode, vinfo->attrib[i].emit,
                vs_output_tab[i]);