Merge branch '7.8' into master

[mesa.git] / src / gallium / drivers / svga / svga_state_rss.c

diff --git a/src/gallium/drivers/svga/svga_state_rss.c b/src/gallium/drivers/svga/svga_state_rss.c
index 68828c252f42cd5918e81e070ada9d4469d8d3e4..b7195d246bc87c0b41b27aeb73b6948f964d69de 100644 (file)
--- a/src/gallium/drivers/svga/svga_state_rss.c
+++ b/src/gallium/drivers/svga/svga_state_rss.c
@@ -26,9 +26,6 @@
 #include "util/u_inlines.h"
 #include "pipe/p_defines.h"
 #include "util/u_math.h"
-#if 0
-#include "util/u_pack_color.h"
-#endif
 
 #include "svga_context.h"
 #include "svga_state.h"
@@ -103,23 +100,17 @@ static int emit_rss( struct svga_context *svga,
       }
    }
 
-#if 0
-   /* FIXME: shouldn't we emit blend color here */
    if (dirty & SVGA_NEW_BLEND_COLOR) {
-      union util_color uc;
-      ubyte r = float_to_ubyte(svga->curr.blend_color.color[0]);
-      ubyte g = float_to_ubyte(svga->curr.blend_color.color[1]);
-      ubyte b = float_to_ubyte(svga->curr.blend_color.color[2]);
-      ubyte a = float_to_ubyte(svga->curr.blend_color.color[3]);
+      uint32 color;
+      uint32 r = float_to_ubyte(svga->curr.blend_color.color[0]);
+      uint32 g = float_to_ubyte(svga->curr.blend_color.color[1]);
+      uint32 b = float_to_ubyte(svga->curr.blend_color.color[2]);
+      uint32 a = float_to_ubyte(svga->curr.blend_color.color[3]);
 
-      util_pack_color_ub( r, g, b, a,
-                          PIPE_FORMAT_B8G8R8A8_UNORM, &uc);
+      color = (a << 24) | (r << 16) | (g << 8) | b;
 
-      EMIT_RS( svga, uc.ui, BLENDCOLOR, fail );
+      EMIT_RS( svga, color, BLENDCOLOR, fail );
    }
-#endif
-
-
 
    if (dirty & (SVGA_NEW_DEPTH_STENCIL | SVGA_NEW_RAST)) {
       const struct svga_depth_stencil_state *curr = svga->curr.depth; 
@@ -200,15 +191,24 @@ static int emit_rss( struct svga_context *svga,
       EMIT_RS( svga, svga->curr.stencil_ref.ref_value[0], STENCILREF, fail );
    }
 
-   if (dirty & SVGA_NEW_RAST)
+   if (dirty & (SVGA_NEW_RAST | SVGA_NEW_NEED_PIPELINE))
    {
       const struct svga_rasterizer_state *curr = svga->curr.rast; 
+      unsigned cullmode = curr->cullmode;
 
       /* Shademode: still need to rearrange index list to move
        * flat-shading PV first vertex.
        */
       EMIT_RS( svga, curr->shademode, SHADEMODE, fail );
-      EMIT_RS( svga, curr->cullmode, CULLMODE, fail );
+
+      /* Don't do culling while the software pipeline is active.  It
+       * does it for us, and additionally introduces potentially
+       * back-facing triangles.
+       */
+      if (svga->state.sw.need_pipeline)
+         cullmode = SVGA3D_FACE_NONE;
+
+      EMIT_RS( svga, cullmode, CULLMODE, fail );
       EMIT_RS( svga, curr->scissortestenable, SCISSORTESTENABLE, fail );
       EMIT_RS( svga, curr->multisampleantialias, MULTISAMPLEANTIALIAS, fail );
       EMIT_RS( svga, curr->lastpixel, LASTPIXEL, fail );
@@ -252,13 +252,10 @@ static int emit_rss( struct svga_context *svga,
       memcpy( rs,
               queue.rs,
               queue.rs_count * sizeof queue.rs[0]);
-      
+
       SVGA_FIFOCommitAll( svga->swc );
    }
 
-   /* Also blend color:
-    */
-
    return 0;
 
 fail:
@@ -278,9 +275,7 @@ struct svga_tracked_state svga_hw_rss =
    "hw rss state",
 
    (SVGA_NEW_BLEND |
-#if 0
     SVGA_NEW_BLEND_COLOR |
-#endif
     SVGA_NEW_DEPTH_STENCIL |
     SVGA_NEW_STENCIL_REF |
     SVGA_NEW_RAST |