4 files changed, 30 insertions, 4 deletions

diff --git a/src/mesa/state_tracker/st_atom.c b/src/mesa/state_tracker/st_atom.c
index 32bcc266a34..7d383924300 100644
--- a/src/mesa/state_tracker/st_atom.c
+++ b/src/mesa/state_tracker/st_atom.c
@@ -55,10 +55,10 @@ static const struct st_tracked_state *atoms[] =
    &st_update_viewport,
    &st_update_scissor,
    &st_update_blend,
-   &st_update_sampler,
    &st_update_vertex_texture,
    &st_update_fragment_texture,
    &st_update_geometry_texture,
+   &st_update_sampler, /* depends on update_*_texture for swizzle */
    &st_update_framebuffer,
    &st_update_msaa,
    &st_update_vs_constants,
diff --git a/src/mesa/state_tracker/st_atom_sampler.c b/src/mesa/state_tracker/st_atom_sampler.c
index 3eba5b13cae..db51eead16b 100644
--- a/src/mesa/state_tracker/st_atom_sampler.c
+++ b/src/mesa/state_tracker/st_atom_sampler.c
@@ -48,6 +48,8 @@
 
 #include "cso_cache/cso_context.h"
 
+#include "util/u_format.h"
+
 
 /**
  * Convert GLenum texcoord wrap tokens to pipe tokens.
@@ -172,8 +174,10 @@ convert_sampler(struct st_context *st,
        msamp->BorderColor.ui[1] ||
        msamp->BorderColor.ui[2] ||
        msamp->BorderColor.ui[3]) {
+      struct st_texture_object *stobj = st_texture_object(texobj);
       struct gl_texture_image *teximg;
       GLboolean is_integer = GL_FALSE;
+      union pipe_color_union border_color;
 
       teximg = texobj->Image[0][texobj->BaseLevel];
 
@@ -181,9 +185,26 @@ convert_sampler(struct st_context *st,
          is_integer = _mesa_is_enum_format_integer(teximg->InternalFormat);
       }
 
-      st_translate_color(&msamp->BorderColor,
-                         &sampler->border_color,
-                         teximg ? teximg->_BaseFormat : GL_RGBA, is_integer);
+      if (st->apply_texture_swizzle_to_border_color && stobj->sampler_view) {
+         const unsigned char swz[4] =
+         {
+            stobj->sampler_view->swizzle_r,
+            stobj->sampler_view->swizzle_g,
+            stobj->sampler_view->swizzle_b,
+            stobj->sampler_view->swizzle_a,
+         };
+
+         st_translate_color(&msamp->BorderColor,
+                            &border_color,
+                            teximg ? teximg->_BaseFormat : GL_RGBA, is_integer);
+
+         util_format_apply_color_swizzle(&sampler->border_color,
+                                         &border_color, swz, is_integer);
+      } else {
+         st_translate_color(&msamp->BorderColor,
+                            &sampler->border_color,
+                            teximg ? teximg->_BaseFormat : GL_RGBA, is_integer);
+      }
    }
 
    sampler->max_anisotropy = (msamp->MaxAnisotropy == 1.0 ?
diff --git a/src/mesa/state_tracker/st_context.c b/src/mesa/state_tracker/st_context.c
index 2042be36bd3..ed1bf26a260 100644
--- a/src/mesa/state_tracker/st_context.c
+++ b/src/mesa/state_tracker/st_context.c
@@ -188,6 +188,10 @@ st_create_context_priv( struct gl_context *ctx, struct pipe_context *pipe,
 
    st->needs_texcoord_semantic =
       screen->get_param(screen, PIPE_CAP_TGSI_TEXCOORD);
+   st->apply_texture_swizzle_to_border_color =
+      !!(screen->get_param(screen, PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK) &
+         (PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_NV50 |
+          PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_R600));
 
    /* GL limits and extensions */
    st_init_limits(st);
diff --git a/src/mesa/state_tracker/st_context.h b/src/mesa/state_tracker/st_context.h
index 8786a036ff4..807453e9974 100644
--- a/src/mesa/state_tracker/st_context.h
+++ b/src/mesa/state_tracker/st_context.h
@@ -87,6 +87,7 @@ struct st_context
    boolean prefer_blit_based_texture_transfer;
 
    boolean needs_texcoord_semantic;
+   boolean apply_texture_swizzle_to_border_color;
 
    /* On old libGL's for linux we need to invalidate the drawables
     * on glViewpport calls, this is set via a option.