Mesa (mesa_7_7_branch): svga: emit blend color

[Roland Scheidegger]

Module: Mesa
Branch: mesa_7_7_branch
Commit: b685927156cdaec73fbd3639d710f095a05fbca3
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=b685927156cdaec73fbd3639d710f095a05fbca3

Author: Roland Scheidegger <sroland at vmware.com>
Date:   Fri Feb 12 22:12:10 2010 +0100

svga: emit blend color

---

 src/gallium/drivers/svga/svga_state_rss.c |   21 +++++++++++++++++----
 1 files changed, 17 insertions(+), 4 deletions(-)

diff --git a/src/gallium/drivers/svga/svga_state_rss.c b/src/gallium/drivers/svga/svga_state_rss.c
index 2f9adae..b97e636 100644
--- a/src/gallium/drivers/svga/svga_state_rss.c
+++ b/src/gallium/drivers/svga/svga_state_rss.c
@@ -26,6 +26,7 @@
 #include "pipe/p_inlines.h"
 #include "pipe/p_defines.h"
 #include "util/u_math.h"
+#include "util/u_pack_color.h"
 
 #include "svga_context.h"
 #include "svga_state.h"
@@ -101,6 +102,20 @@ static int emit_rss( struct svga_context *svga,
    }
 
 
+   if (dirty & SVGA_NEW_BLEND_COLOR) {
+      unsigned color = 0;
+      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]);
+
+      util_pack_color_ub( r, g, b, a,
+                          PIPE_FORMAT_B8G8R8A8_UNORM, &color);
+
+      EMIT_RS( svga, color, BLENDCOLOR, fail );
+   }
+
+
    if (dirty & (SVGA_NEW_DEPTH_STENCIL | SVGA_NEW_RAST)) {
       const struct svga_depth_stencil_state *curr = svga->curr.depth; 
       const struct svga_rasterizer_state *rast = svga->curr.rast; 
@@ -230,13 +245,10 @@ 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:
@@ -256,6 +268,7 @@ struct svga_tracked_state svga_hw_rss =
    "hw rss state",
 
    (SVGA_NEW_BLEND |
+    SVGA_NEW_BLEND_COLOR |
     SVGA_NEW_DEPTH_STENCIL |
     SVGA_NEW_RAST |
     SVGA_NEW_FRAME_BUFFER |