gallium: rework CSO-related code in state tracker

Use the code in cso_context.c rather than st_cache.c.
Basically, binding of state objects now goes through the CSO module.
But Vertex/fragment shaders go through pipe->bind_fs/vs_state() since they're
not cached by the CSO module at this time.

Also, update softpipe driver to handle NULL state objects in various places.
This happens during context destruction.  May need to update other drivers...

1 files changed, 21 insertions, 22 deletions

diff --git a/src/mesa/state_tracker/st_atom_sampler.c b/src/mesa/state_tracker/st_atom_sampler.c
index 1000f98ffc..1babba9b4f 100644
--- a/src/mesa/state_tracker/st_atom_sampler.c
+++ b/src/mesa/state_tracker/st_atom_sampler.c
@@ -33,11 +33,11 @@
  
 
 #include "st_context.h"
-#include "st_cache.h"
 #include "st_atom.h"
 #include "st_program.h"
 #include "pipe/p_context.h"
 #include "pipe/p_defines.h"
+#include "cso_cache/cso_context.h"
 
 
 /**
@@ -124,9 +124,9 @@ update_samplers(struct st_context *st)
 
    /* loop over sampler units (aka tex image units) */
    for (su = 0; su < st->ctx->Const.MaxTextureImageUnits; su++) {
-      struct pipe_sampler_state sampler;
+      struct pipe_sampler_state *sampler = st->state.samplers + su;
 
-      memset(&sampler, 0, sizeof(sampler));
+      memset(sampler, 0, sizeof(*sampler));
 
       if (fs->Base.Base.SamplersUsed & (1 << su)) {
          GLuint texUnit = fs->Base.Base.SamplerUnits[su];
@@ -135,37 +135,37 @@ update_samplers(struct st_context *st)
 
          assert(texobj);
 
-         sampler.wrap_s = gl_wrap_to_sp(texobj->WrapS);
-         sampler.wrap_t = gl_wrap_to_sp(texobj->WrapT);
-         sampler.wrap_r = gl_wrap_to_sp(texobj->WrapR);
+         sampler->wrap_s = gl_wrap_to_sp(texobj->WrapS);
+         sampler->wrap_t = gl_wrap_to_sp(texobj->WrapT);
+         sampler->wrap_r = gl_wrap_to_sp(texobj->WrapR);
 
-         sampler.min_img_filter = gl_filter_to_img_filter(texobj->MinFilter);
-         sampler.min_mip_filter = gl_filter_to_mip_filter(texobj->MinFilter);
-         sampler.mag_img_filter = gl_filter_to_img_filter(texobj->MagFilter);
+         sampler->min_img_filter = gl_filter_to_img_filter(texobj->MinFilter);
+         sampler->min_mip_filter = gl_filter_to_mip_filter(texobj->MinFilter);
+         sampler->mag_img_filter = gl_filter_to_img_filter(texobj->MagFilter);
 
          if (texobj->Target != GL_TEXTURE_RECTANGLE_ARB)
-            sampler.normalized_coords = 1;
+            sampler->normalized_coords = 1;
 
-         sampler.lod_bias = st->ctx->Texture.Unit[su].LodBias;
+         sampler->lod_bias = st->ctx->Texture.Unit[su].LodBias;
 #if 1
-         sampler.min_lod = (texobj->MinLod) < 0.0 ? 0.0 : texobj->MinLod;
-         sampler.max_lod = texobj->MaxLod;
+         sampler->min_lod = (texobj->MinLod) < 0.0 ? 0.0 : texobj->MinLod;
+         sampler->max_lod = texobj->MaxLod;
 #else
          /* min/max lod should really be as follows (untested).
           * Also, calculate_first_last_level() needs to be overhauled
           * since today's hardware had real support for LOD clamping.
           */
-         sampler.min_lod = MAX2(texobj->BaseLevel, texobj->MinLod);
-         sampler.max_lod = MIN2(texobj->MaxLevel, texobj->MaxLod);
+         sampler->min_lod = MAX2(texobj->BaseLevel, texobj->MinLod);
+         sampler->max_lod = MIN2(texobj->MaxLevel, texobj->MaxLod);
 #endif
 
-	 sampler.max_anisotropy = texobj->MaxAnisotropy;
+	 sampler->max_anisotropy = texobj->MaxAnisotropy;
 
          /* only care about ARB_shadow, not SGI shadow */
          if (texobj->CompareMode == GL_COMPARE_R_TO_TEXTURE) {
-            sampler.compare = 1;
-            sampler.compare_mode = PIPE_TEX_COMPARE_R_TO_TEXTURE;
-            sampler.compare_func
+            sampler->compare = 1;
+            sampler->compare_mode = PIPE_TEX_COMPARE_R_TO_TEXTURE;
+            sampler->compare_func
                = st_compare_func_to_pipe(texobj->CompareFunc);
          }
 
@@ -174,11 +174,10 @@ update_samplers(struct st_context *st)
          /* XXX more sampler state here */
       }
 
-      st->state.sampler[su] = st_cached_sampler_state(st, &sampler)->data;
+      cso_single_sampler(st->cso_context, su, sampler);
    }
 
-   st->pipe->bind_sampler_states(st->pipe, st->state.num_samplers,
-                                 st->state.sampler);
+   cso_single_sampler_done(st->cso_context);
 }