From cc0b55c242e9f53a8e45c5d4392f964af44f396e Mon Sep 17 00:00:00 2001
From: Brian <brian.paul@tungstengraphics.com>
Date: Mon, 29 Oct 2007 09:24:29 -0600
Subject: simplify code which access the current vertex/fragment shaders

---
 src/mesa/state_tracker/st_atom_sampler.c | 21 +--------------------
 src/mesa/state_tracker/st_atom_shader.c  | 27 ++++-----------------------
 2 files changed, 5 insertions(+), 43 deletions(-)

diff --git a/src/mesa/state_tracker/st_atom_sampler.c b/src/mesa/state_tracker/st_atom_sampler.c
index 80b8cae013..bdc6024477 100644
--- a/src/mesa/state_tracker/st_atom_sampler.c
+++ b/src/mesa/state_tracker/st_atom_sampler.c
@@ -113,24 +113,6 @@ gl_filter_to_img_filter(GLenum filter)
 }
 
 
-static struct gl_fragment_program *
-current_fragment_program(GLcontext *ctx)
-{
-   struct gl_fragment_program *f;
-
-   if (ctx->Shader.CurrentProgram &&
-       ctx->Shader.CurrentProgram->LinkStatus &&
-       ctx->Shader.CurrentProgram->FragmentProgram) {
-      f = ctx->Shader.CurrentProgram->FragmentProgram;
-   }
-   else {
-      f = ctx->FragmentProgram._Current;
-      assert(f);
-   }
-   return f;
-}
-
-
 static void 
 update_samplers(struct st_context *st)
 {
@@ -186,8 +168,7 @@ update_samplers(struct st_context *st)
 
    /* mapping from sampler vars to texture units */
    {
-      struct gl_fragment_program *fprog = current_fragment_program(st->ctx);
-      const GLubyte *samplerUnits = fprog->Base.SamplerUnits;
+      struct gl_fragment_program *fprog = st->ctx->FragmentProgram._Current;
       uint sample_units[PIPE_MAX_SAMPLERS];
       uint s;
       for (s = 0; s < PIPE_MAX_SAMPLERS; s++) {
diff --git a/src/mesa/state_tracker/st_atom_shader.c b/src/mesa/state_tracker/st_atom_shader.c
index 92ca22851e..d4976941f9 100644
--- a/src/mesa/state_tracker/st_atom_shader.c
+++ b/src/mesa/state_tracker/st_atom_shader.c
@@ -264,30 +264,11 @@ update_linkage( struct st_context *st )
    /* find active shader and params -- Should be covered by
     * ST_NEW_VERTEX_PROGRAM
     */
-   if (st->ctx->Shader.CurrentProgram &&
-       st->ctx->Shader.CurrentProgram->LinkStatus &&
-       st->ctx->Shader.CurrentProgram->VertexProgram) {
-      struct gl_vertex_program *f
-         = st->ctx->Shader.CurrentProgram->VertexProgram;
-      stvp = st_vertex_program(f);
-   }
-   else {
-      assert(st->ctx->VertexProgram._Current);
-      stvp = st_vertex_program(st->ctx->VertexProgram._Current);
-   }
-
+   assert(st->ctx->VertexProgram._Current);
+   stvp = st_vertex_program(st->ctx->VertexProgram._Current);
 
-   if (st->ctx->Shader.CurrentProgram &&
-       st->ctx->Shader.CurrentProgram->LinkStatus &&
-       st->ctx->Shader.CurrentProgram->FragmentProgram) {
-      struct gl_fragment_program *f
-         = st->ctx->Shader.CurrentProgram->FragmentProgram;
-      stfp = st_fragment_program(f);
-   }
-   else {
-      assert(st->ctx->FragmentProgram._Current);
-      stfp = st_fragment_program(st->ctx->FragmentProgram._Current);
-   }
+   assert(st->ctx->FragmentProgram._Current);
+   stfp = st_fragment_program(st->ctx->FragmentProgram._Current);
 
    xvp = find_translated_vp(st, stvp, stfp);
 
-- 
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