From: Brian <brian.paul@tungstengraphics.com>
Date: Tue, 15 Apr 2008 03:01:40 +0000 (-0600)
Subject: gallium: enable new quad output code, remove old code
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=d3878b070b7b5084526b65499737cc686a6039b6;p=mesa.git

gallium: enable new quad output code, remove old code
---

diff --git a/src/gallium/drivers/softpipe/sp_quad_fs.c b/src/gallium/drivers/softpipe/sp_quad_fs.c
index 9a20c056a22..8dbdbe57649 100644
--- a/src/gallium/drivers/softpipe/sp_quad_fs.c
+++ b/src/gallium/drivers/softpipe/sp_quad_fs.c
@@ -88,7 +88,6 @@ shade_quad(
 				    &qss->machine,
 				    quad );
 
-#if 0 /* XXX multi color outputs - untested */
    /* store outputs */
    boolean z_written = FALSE;
    {
@@ -133,41 +132,6 @@ shade_quad(
       quad->outputs.depth[2] = z0 + dzdy;
       quad->outputs.depth[3] = z0 + dzdx + dzdy;
    }
-#endif
-
-   /* store result color(s) */
-   if (qss->colorOutSlot >= 0) {
-      /* XXX need to handle multiple color outputs someday */
-      assert(softpipe->fs->info.output_semantic_name[qss->colorOutSlot]
-             == TGSI_SEMANTIC_COLOR);
-      memcpy(
-             quad->outputs.color[0],
-             &machine->Outputs[qss->colorOutSlot].xyzw[0].f[0],
-             sizeof( quad->outputs.color[0] ) );
-   }
-
-   /* store result Z */
-   if (qss->depthOutSlot >= 0) {
-      /* output[slot] is new Z */
-      uint i;
-      for (i = 0; i < 4; i++) {
-         quad->outputs.depth[i] = machine->Outputs[0].xyzw[2].f[i];
-      }
-   }
-   else {
-      /* compute Z values now, as in the quad earlyz stage */
-      /* XXX we should really only do this if the earlyz stage is not used */
-      const float fx = (float) quad->x0;
-      const float fy = (float) quad->y0;
-      const float dzdx = quad->posCoef->dadx[2];
-      const float dzdy = quad->posCoef->dady[2];
-      const float z0 = quad->posCoef->a0[2] + dzdx * fx + dzdy * fy;
-
-      quad->outputs.depth[0] = z0;
-      quad->outputs.depth[1] = z0 + dzdx;
-      quad->outputs.depth[2] = z0 + dzdy;
-      quad->outputs.depth[3] = z0 + dzdx + dzdy;
-   }
 
    /* shader may cull fragments */
    if( quad->mask ) {