Mesa (master): st/mesa: remove st_context:: missing textures and get_passthrough_fs

[Marek Olšák]

Module: Mesa
Branch: master
Commit: 5142564734bd68f165b02e29e384ebbcf91cce38
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=5142564734bd68f165b02e29e384ebbcf91cce38

Author: Marek Olšák <marek.olsak at amd.com>
Date:   Tue Jul 28 20:41:16 2015 +0200

st/mesa: remove st_context::missing textures and get_passthrough_fs

Reviewed-by: Brian Paul <brianp at vmware.com>

---

 src/mesa/state_tracker/st_atom_shader.c |   29 ++---------------------------
 src/mesa/state_tracker/st_context.h     |    1 -
 2 files changed, 2 insertions(+), 28 deletions(-)

diff --git a/src/mesa/state_tracker/st_atom_shader.c b/src/mesa/state_tracker/st_atom_shader.c
index d27882d..fee15a9 100644
--- a/src/mesa/state_tracker/st_atom_shader.c
+++ b/src/mesa/state_tracker/st_atom_shader.c
@@ -50,24 +50,6 @@
 
 
 /**
- * Return pointer to a pass-through fragment shader.
- * This shader is used when a texture is missing/incomplete.
- */
-static void *
-get_passthrough_fs(struct st_context *st)
-{
-   if (!st->passthrough_fs) {
-      st->passthrough_fs =
-         util_make_fragment_passthrough_shader(st->pipe, TGSI_SEMANTIC_COLOR,
-                                               TGSI_INTERPOLATE_PERSPECTIVE,
-                                               TRUE);
-   }
-
-   return st->passthrough_fs;
-}
-
-
-/**
  * Update fragment program state/atom.  This involves translating the
  * Mesa fragment program into a gallium fragment program and binding it.
  */
@@ -96,15 +78,8 @@ update_fp( struct st_context *st )
 
    st_reference_fragprog(st, &st->fp, stfp);
 
-   if (st->missing_textures) {
-      /* use a pass-through frag shader that uses no textures */
-      void *fs = get_passthrough_fs(st);
-      cso_set_fragment_shader_handle(st->cso_context, fs);
-   }
-   else {
-      cso_set_fragment_shader_handle(st->cso_context,
-                                     st->fp_variant->driver_shader);
-   }
+   cso_set_fragment_shader_handle(st->cso_context,
+                                  st->fp_variant->driver_shader);
 }
 
 
diff --git a/src/mesa/state_tracker/st_context.h b/src/mesa/state_tracker/st_context.h
index 48c9b6f..81d5480 100644
--- a/src/mesa/state_tracker/st_context.h
+++ b/src/mesa/state_tracker/st_context.h
@@ -140,7 +140,6 @@ struct st_context
 
    struct st_state_flags dirty;
 
-   GLboolean missing_textures;
    GLboolean vertdata_edgeflags;
    GLboolean edgeflag_culls_prims;