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...

19 files changed, 284 insertions, 294 deletions

diff --git a/src/mesa/sources b/src/mesa/sources
index f0bf7b31fbc..e3d5f228493 100644
--- a/src/mesa/sources
+++ b/src/mesa/sources
@@ -184,7 +184,6 @@ STATETRACKER_SOURCES = \
 	state_tracker/st_cb_readpixels.c \
 	state_tracker/st_cb_strings.c \
 	state_tracker/st_cb_texture.c \
-	state_tracker/st_cache.c \
 	state_tracker/st_context.c \
 	state_tracker/st_debug.c \
 	state_tracker/st_draw.c \
diff --git a/src/mesa/state_tracker/st_atom_blend.c b/src/mesa/state_tracker/st_atom_blend.c
index 2a9d2091536..6c13fc81415 100644
--- a/src/mesa/state_tracker/st_atom_blend.c
+++ b/src/mesa/state_tracker/st_atom_blend.c
@@ -33,11 +33,11 @@
  
 
 #include "st_context.h"
-#include "st_cache.h"
 #include "st_atom.h"
 
 #include "pipe/p_context.h"
 #include "pipe/p_defines.h"
+#include "cso_cache/cso_context.h"
 
 
 /**
@@ -155,44 +155,43 @@ translate_logicop(GLenum logicop)
 static void 
 update_blend( struct st_context *st )
 {
-   struct pipe_blend_state blend;
-   const struct cso_blend *cso;
+   struct pipe_blend_state *blend = &st->state.blend;
 
-   memset(&blend, 0, sizeof(blend));
+   memset(blend, 0, sizeof(*blend));
 
    if (st->ctx->Color.ColorLogicOpEnabled ||
        (st->ctx->Color.BlendEnabled &&
         st->ctx->Color.BlendEquationRGB == GL_LOGIC_OP)) {
       /* logicop enabled */
-      blend.logicop_enable = 1;
-      blend.logicop_func = translate_logicop(st->ctx->Color.LogicOp);
+      blend->logicop_enable = 1;
+      blend->logicop_func = translate_logicop(st->ctx->Color.LogicOp);
    }
    else if (st->ctx->Color.BlendEnabled) {
       /* blending enabled */
-      blend.blend_enable = 1;
+      blend->blend_enable = 1;
 
-      blend.rgb_func = translate_blend(st->ctx->Color.BlendEquationRGB);
+      blend->rgb_func = translate_blend(st->ctx->Color.BlendEquationRGB);
       if (st->ctx->Color.BlendEquationRGB == GL_MIN ||
           st->ctx->Color.BlendEquationRGB == GL_MAX) {
          /* Min/max are special */
-         blend.rgb_src_factor = PIPE_BLENDFACTOR_ONE;
-         blend.rgb_dst_factor = PIPE_BLENDFACTOR_ONE;
+         blend->rgb_src_factor = PIPE_BLENDFACTOR_ONE;
+         blend->rgb_dst_factor = PIPE_BLENDFACTOR_ONE;
       }
       else {
-         blend.rgb_src_factor = translate_blend(st->ctx->Color.BlendSrcRGB);
-         blend.rgb_dst_factor = translate_blend(st->ctx->Color.BlendDstRGB);
+         blend->rgb_src_factor = translate_blend(st->ctx->Color.BlendSrcRGB);
+         blend->rgb_dst_factor = translate_blend(st->ctx->Color.BlendDstRGB);
       }
 
-      blend.alpha_func = translate_blend(st->ctx->Color.BlendEquationA);
+      blend->alpha_func = translate_blend(st->ctx->Color.BlendEquationA);
       if (st->ctx->Color.BlendEquationA == GL_MIN ||
           st->ctx->Color.BlendEquationA == GL_MAX) {
          /* Min/max are special */
-         blend.alpha_src_factor = PIPE_BLENDFACTOR_ONE;
-         blend.alpha_dst_factor = PIPE_BLENDFACTOR_ONE;
+         blend->alpha_src_factor = PIPE_BLENDFACTOR_ONE;
+         blend->alpha_dst_factor = PIPE_BLENDFACTOR_ONE;
       }
       else {
-         blend.alpha_src_factor = translate_blend(st->ctx->Color.BlendSrcA);
-         blend.alpha_dst_factor = translate_blend(st->ctx->Color.BlendDstA);
+         blend->alpha_src_factor = translate_blend(st->ctx->Color.BlendSrcA);
+         blend->alpha_dst_factor = translate_blend(st->ctx->Color.BlendDstA);
       }
    }
    else {
@@ -201,25 +200,18 @@ update_blend( struct st_context *st )
 
    /* Colormask - maybe reverse these bits? */
    if (st->ctx->Color.ColorMask[0])
-      blend.colormask |= PIPE_MASK_R;
+      blend->colormask |= PIPE_MASK_R;
    if (st->ctx->Color.ColorMask[1])
-      blend.colormask |= PIPE_MASK_G;
+      blend->colormask |= PIPE_MASK_G;
    if (st->ctx->Color.ColorMask[2])
-      blend.colormask |= PIPE_MASK_B;
+      blend->colormask |= PIPE_MASK_B;
    if (st->ctx->Color.ColorMask[3])
-      blend.colormask |= PIPE_MASK_A;
+      blend->colormask |= PIPE_MASK_A;
 
    if (st->ctx->Color.DitherFlag)
-      blend.dither = 1;
+      blend->dither = 1;
 
-   cso = st_cached_blend_state(st, &blend);
-
-   if (st->state.blend != cso) {
-      /* state has changed */
-      st->state.blend = cso;
-      /* bind new state */
-      st->pipe->bind_blend_state(st->pipe, cso->data);
-   }
+   cso_set_blend(st->cso_context, blend);
 
    if (memcmp(st->ctx->Color.BlendColor, &st->state.blend_color, 4 * sizeof(GLfloat)) != 0) {
       /* state has changed */
diff --git a/src/mesa/state_tracker/st_atom_depth.c b/src/mesa/state_tracker/st_atom_depth.c
index 7aecdbfbcc0..827ad3b548b 100644
--- a/src/mesa/state_tracker/st_atom_depth.c
+++ b/src/mesa/state_tracker/st_atom_depth.c
@@ -34,10 +34,10 @@
  
 
 #include "st_context.h"
-#include "st_cache.h"
 #include "st_atom.h"
 #include "pipe/p_context.h"
 #include "pipe/p_defines.h"
+#include "cso_cache/cso_context.h"
 
 
 /**
@@ -93,53 +93,47 @@ gl_stencil_op_to_pipe(GLenum func)
 static void
 update_depth_stencil_alpha(struct st_context *st)
 {
-   struct pipe_depth_stencil_alpha_state depth_stencil;
-   const struct cso_depth_stencil_alpha *cso;
+   struct pipe_depth_stencil_alpha_state *dsa = &st->state.depth_stencil;
 
-   memset(&depth_stencil, 0, sizeof(depth_stencil));
+   memset(dsa, 0, sizeof(*dsa));
 
-   depth_stencil.depth.enabled = st->ctx->Depth.Test;
-   depth_stencil.depth.writemask = st->ctx->Depth.Mask;
-   depth_stencil.depth.func = st_compare_func_to_pipe(st->ctx->Depth.Func);
+   dsa->depth.enabled = st->ctx->Depth.Test;
+   dsa->depth.writemask = st->ctx->Depth.Mask;
+   dsa->depth.func = st_compare_func_to_pipe(st->ctx->Depth.Func);
 
    if (st->ctx->Query.CurrentOcclusionObject &&
        st->ctx->Query.CurrentOcclusionObject->Active)
-      depth_stencil.depth.occlusion_count = 1;
+      dsa->depth.occlusion_count = 1;
 
    if (st->ctx->Stencil.Enabled) {
-      depth_stencil.stencil[0].enabled = 1;
-      depth_stencil.stencil[0].func = st_compare_func_to_pipe(st->ctx->Stencil.Function[0]);
-      depth_stencil.stencil[0].fail_op = gl_stencil_op_to_pipe(st->ctx->Stencil.FailFunc[0]);
-      depth_stencil.stencil[0].zfail_op = gl_stencil_op_to_pipe(st->ctx->Stencil.ZFailFunc[0]);
-      depth_stencil.stencil[0].zpass_op = gl_stencil_op_to_pipe(st->ctx->Stencil.ZPassFunc[0]);
-      depth_stencil.stencil[0].ref_value = st->ctx->Stencil.Ref[0] & 0xff;
-      depth_stencil.stencil[0].value_mask = st->ctx->Stencil.ValueMask[0] & 0xff;
-      depth_stencil.stencil[0].write_mask = st->ctx->Stencil.WriteMask[0] & 0xff;
+      dsa->stencil[0].enabled = 1;
+      dsa->stencil[0].func = st_compare_func_to_pipe(st->ctx->Stencil.Function[0]);
+      dsa->stencil[0].fail_op = gl_stencil_op_to_pipe(st->ctx->Stencil.FailFunc[0]);
+      dsa->stencil[0].zfail_op = gl_stencil_op_to_pipe(st->ctx->Stencil.ZFailFunc[0]);
+      dsa->stencil[0].zpass_op = gl_stencil_op_to_pipe(st->ctx->Stencil.ZPassFunc[0]);
+      dsa->stencil[0].ref_value = st->ctx->Stencil.Ref[0] & 0xff;
+      dsa->stencil[0].value_mask = st->ctx->Stencil.ValueMask[0] & 0xff;
+      dsa->stencil[0].write_mask = st->ctx->Stencil.WriteMask[0] & 0xff;
 
       if (st->ctx->Stencil.TestTwoSide) {
-         depth_stencil.stencil[1].enabled = 1;
-         depth_stencil.stencil[1].func = st_compare_func_to_pipe(st->ctx->Stencil.Function[1]);
-         depth_stencil.stencil[1].fail_op = gl_stencil_op_to_pipe(st->ctx->Stencil.FailFunc[1]);
-         depth_stencil.stencil[1].zfail_op = gl_stencil_op_to_pipe(st->ctx->Stencil.ZFailFunc[1]);
-         depth_stencil.stencil[1].zpass_op = gl_stencil_op_to_pipe(st->ctx->Stencil.ZPassFunc[1]);
-         depth_stencil.stencil[1].ref_value = st->ctx->Stencil.Ref[1] & 0xff;
-         depth_stencil.stencil[1].value_mask = st->ctx->Stencil.ValueMask[1] & 0xff;
-         depth_stencil.stencil[1].write_mask = st->ctx->Stencil.WriteMask[1] & 0xff;
+         dsa->stencil[1].enabled = 1;
+         dsa->stencil[1].func = st_compare_func_to_pipe(st->ctx->Stencil.Function[1]);
+         dsa->stencil[1].fail_op = gl_stencil_op_to_pipe(st->ctx->Stencil.FailFunc[1]);
+         dsa->stencil[1].zfail_op = gl_stencil_op_to_pipe(st->ctx->Stencil.ZFailFunc[1]);
+         dsa->stencil[1].zpass_op = gl_stencil_op_to_pipe(st->ctx->Stencil.ZPassFunc[1]);
+         dsa->stencil[1].ref_value = st->ctx->Stencil.Ref[1] & 0xff;
+         dsa->stencil[1].value_mask = st->ctx->Stencil.ValueMask[1] & 0xff;
+         dsa->stencil[1].write_mask = st->ctx->Stencil.WriteMask[1] & 0xff;
       }
    }
 
    if (st->ctx->Color.AlphaEnabled) {
-      depth_stencil.alpha.enabled = 1;
-      depth_stencil.alpha.func = st_compare_func_to_pipe(st->ctx->Color.AlphaFunc);
-      depth_stencil.alpha.ref = st->ctx->Color.AlphaRef;
+      dsa->alpha.enabled = 1;
+      dsa->alpha.func = st_compare_func_to_pipe(st->ctx->Color.AlphaFunc);
+      dsa->alpha.ref = st->ctx->Color.AlphaRef;
    }
 
-   cso = st_cached_depth_stencil_alpha_state(st, &depth_stencil);
-   if (st->state.depth_stencil != cso) {
-      /* state has changed */
-      st->state.depth_stencil = cso;
-      st->pipe->bind_depth_stencil_alpha_state(st->pipe, cso->data); /* bind new state */
-   }
+   cso_set_depth_stencil_alpha(st->cso_context, dsa);
 }
 
 
diff --git a/src/mesa/state_tracker/st_atom_rasterizer.c b/src/mesa/state_tracker/st_atom_rasterizer.c
index 229839d8b2c..77cef9236bb 100644
--- a/src/mesa/state_tracker/st_atom_rasterizer.c
+++ b/src/mesa/state_tracker/st_atom_rasterizer.c
@@ -32,10 +32,11 @@
  
 #include "main/macros.h"
 #include "st_context.h"
-#include "st_cache.h"
+#include "st_atom.h"
 #include "pipe/p_context.h"
 #include "pipe/p_defines.h"
-#include "st_atom.h"
+#include "cso_cache/cso_context.h"
+
 
 static GLuint translate_fill( GLenum mode )
 {
@@ -72,22 +73,21 @@ static GLboolean get_offset_flag( GLuint fill_mode,
 static void update_raster_state( struct st_context *st )
 {
    GLcontext *ctx = st->ctx;
-   struct pipe_rasterizer_state raster;
-   const struct cso_rasterizer *cso;
+   struct pipe_rasterizer_state *raster = &st->state.rasterizer;
    const struct gl_vertex_program *vertProg = ctx->VertexProgram._Current;
    uint i;
 
-   memset(&raster, 0, sizeof(raster));
+   memset(raster, 0, sizeof(*raster));
 
-   raster.origin_lower_left = 1; /* Always true for OpenGL */
+   raster->origin_lower_left = 1; /* Always true for OpenGL */
    
    /* _NEW_POLYGON, _NEW_BUFFERS
     */
    {
       if (ctx->Polygon.FrontFace == GL_CCW)
-         raster.front_winding = PIPE_WINDING_CCW;
+         raster->front_winding = PIPE_WINDING_CCW;
       else
-         raster.front_winding = PIPE_WINDING_CW;
+         raster->front_winding = PIPE_WINDING_CW;
 
       /* XXX
        * I think the intention here is that user-created framebuffer objects
@@ -96,13 +96,13 @@ static void update_raster_state( struct st_context *st )
        * But this is an implementation/driver-specific artifact - remove...
        */
       if (ctx->DrawBuffer && ctx->DrawBuffer->Name != 0)
-         raster.front_winding ^= PIPE_WINDING_BOTH;
+         raster->front_winding ^= PIPE_WINDING_BOTH;
    }
 
    /* _NEW_LIGHT
     */
    if (ctx->Light.ShadeModel == GL_FLAT)
-      raster.flatshade = 1;
+      raster->flatshade = 1;
 
    /* _NEW_LIGHT | _NEW_PROGRAM
     *
@@ -113,28 +113,28 @@ static void update_raster_state( struct st_context *st )
    if (ctx->VertexProgram._Current) {
       if (ctx->VertexProgram._Enabled) {
          /* user-defined program */
-         raster.light_twoside = ctx->VertexProgram.TwoSideEnabled;
+         raster->light_twoside = ctx->VertexProgram.TwoSideEnabled;
       }
       else {
          /* TNL-generated program */
-         raster.light_twoside = ctx->Light.Enabled && ctx->Light.Model.TwoSide;
+         raster->light_twoside = ctx->Light.Enabled && ctx->Light.Model.TwoSide;
       }
    }
    else if (ctx->Light.Enabled && ctx->Light.Model.TwoSide) {
-      raster.light_twoside = 1;
+      raster->light_twoside = 1;
    }
 
    /* _NEW_POLYGON
     */
    if (ctx->Polygon.CullFlag) {
       if (ctx->Polygon.CullFaceMode == GL_FRONT_AND_BACK) {
-	 raster.cull_mode = PIPE_WINDING_BOTH;
+	 raster->cull_mode = PIPE_WINDING_BOTH;
       }
       else if (ctx->Polygon.CullFaceMode == GL_FRONT) {
-	 raster.cull_mode = raster.front_winding;
+	 raster->cull_mode = raster->front_winding;
       }
       else {
-	 raster.cull_mode = raster.front_winding ^ PIPE_WINDING_BOTH;
+	 raster->cull_mode = raster->front_winding ^ PIPE_WINDING_BOTH;
       }
    }
 
@@ -144,23 +144,23 @@ static void update_raster_state( struct st_context *st )
       GLuint fill_front = translate_fill( ctx->Polygon.FrontMode );
       GLuint fill_back = translate_fill( ctx->Polygon.BackMode );
       
-      if (raster.front_winding == PIPE_WINDING_CW) {
-	 raster.fill_cw = fill_front;
-	 raster.fill_ccw = fill_back;
+      if (raster->front_winding == PIPE_WINDING_CW) {
+	 raster->fill_cw = fill_front;
+	 raster->fill_ccw = fill_back;
       }
       else {
-	 raster.fill_cw = fill_back;
-	 raster.fill_ccw = fill_front;
+	 raster->fill_cw = fill_back;
+	 raster->fill_ccw = fill_front;
       }
 
       /* Simplify when culling is active:
        */
-      if (raster.cull_mode & PIPE_WINDING_CW) {
-	 raster.fill_cw = raster.fill_ccw;
+      if (raster->cull_mode & PIPE_WINDING_CW) {
+	 raster->fill_cw = raster->fill_ccw;
       }
       
-      if (raster.cull_mode & PIPE_WINDING_CCW) {
-	 raster.fill_ccw = raster.fill_cw;
+      if (raster->cull_mode & PIPE_WINDING_CCW) {
+	 raster->fill_ccw = raster->fill_cw;
       }
    }
 
@@ -168,95 +168,91 @@ static void update_raster_state( struct st_context *st )
     */
    if (ctx->Polygon.OffsetUnits != 0.0 ||
        ctx->Polygon.OffsetFactor != 0.0) {
-      raster.offset_cw = get_offset_flag( raster.fill_cw, &ctx->Polygon );
-      raster.offset_ccw = get_offset_flag( raster.fill_ccw, &ctx->Polygon );
-      raster.offset_units = ctx->Polygon.OffsetUnits;
-      raster.offset_scale = ctx->Polygon.OffsetFactor;
+      raster->offset_cw = get_offset_flag( raster->fill_cw, &ctx->Polygon );
+      raster->offset_ccw = get_offset_flag( raster->fill_ccw, &ctx->Polygon );
+      raster->offset_units = ctx->Polygon.OffsetUnits;
+      raster->offset_scale = ctx->Polygon.OffsetFactor;
    }
 
    if (ctx->Polygon.SmoothFlag)
-      raster.poly_smooth = 1;
+      raster->poly_smooth = 1;
 
    if (ctx->Polygon.StippleFlag)
-      raster.poly_stipple_enable = 1;
+      raster->poly_stipple_enable = 1;
 
 
    /* _NEW_BUFFERS, _NEW_POLYGON
     */
-   if (raster.fill_cw != PIPE_POLYGON_MODE_FILL ||
-       raster.fill_ccw != PIPE_POLYGON_MODE_FILL)
+   if (raster->fill_cw != PIPE_POLYGON_MODE_FILL ||
+       raster->fill_ccw != PIPE_POLYGON_MODE_FILL)
    {
       GLfloat mrd = (ctx->DrawBuffer ? 
 		     ctx->DrawBuffer->_MRD : 
 		     1.0);
 
-      raster.offset_units = ctx->Polygon.OffsetFactor * mrd;
-      raster.offset_scale = (ctx->Polygon.OffsetUnits * mrd *
+      raster->offset_units = ctx->Polygon.OffsetFactor * mrd;
+      raster->offset_scale = (ctx->Polygon.OffsetUnits * mrd *
 			    st->polygon_offset_scale);
    }
       
    /* _NEW_POINT
     */
-   raster.point_size = ctx->Point.Size;
-   raster.point_smooth = ctx->Point.SmoothFlag;
-   raster.point_sprite = ctx->Point.PointSprite;
+   raster->point_size = ctx->Point.Size;
+   raster->point_smooth = ctx->Point.SmoothFlag;
+   raster->point_sprite = ctx->Point.PointSprite;
    for (i = 0; i < MAX_TEXTURE_COORD_UNITS; i++) {
       if (ctx->Point.CoordReplace[i]) {
          if (ctx->Point.SpriteOrigin == GL_UPPER_LEFT)
-            raster.sprite_coord_mode[i] = PIPE_SPRITE_COORD_UPPER_LEFT;
+            raster->sprite_coord_mode[i] = PIPE_SPRITE_COORD_UPPER_LEFT;
          else 
-            raster.sprite_coord_mode[i] = PIPE_SPRITE_COORD_LOWER_LEFT;
+            raster->sprite_coord_mode[i] = PIPE_SPRITE_COORD_LOWER_LEFT;
       }
       else {
-         raster.sprite_coord_mode[i] = PIPE_SPRITE_COORD_NONE;
+         raster->sprite_coord_mode[i] = PIPE_SPRITE_COORD_NONE;
       }
    }
    if (vertProg) {
       if (vertProg->Base.Id == 0) {
          if (vertProg->Base.OutputsWritten & (1 << VERT_RESULT_PSIZ)) {
             /* generated program which emits point size */
-            raster.point_size_per_vertex = TRUE;
+            raster->point_size_per_vertex = TRUE;
          }
       }
       else if (ctx->VertexProgram.PointSizeEnabled) {
          /* user-defined program and GL_VERTEX_PROGRAM_POINT_SIZE set */
-         raster.point_size_per_vertex = ctx->VertexProgram.PointSizeEnabled;
+         raster->point_size_per_vertex = ctx->VertexProgram.PointSizeEnabled;
       }
    }
 
 
    /* _NEW_LINE
     */
-   raster.line_smooth = ctx->Line.SmoothFlag;
+   raster->line_smooth = ctx->Line.SmoothFlag;
    if (ctx->Line.SmoothFlag) {
-      raster.line_width = CLAMP(ctx->Line.Width,
+      raster->line_width = CLAMP(ctx->Line.Width,
                                 ctx->Const.MinLineWidthAA,
                                 ctx->Const.MaxLineWidthAA);
    }
    else {
-      raster.line_width = CLAMP(ctx->Line.Width,
+      raster->line_width = CLAMP(ctx->Line.Width,
                                 ctx->Const.MinLineWidth,
                                 ctx->Const.MaxLineWidth);
    }
 
-   raster.line_stipple_enable = ctx->Line.StippleFlag;
-   raster.line_stipple_pattern = ctx->Line.StipplePattern;
+   raster->line_stipple_enable = ctx->Line.StippleFlag;
+   raster->line_stipple_pattern = ctx->Line.StipplePattern;
    /* GL stipple factor is in [1,256], remap to [0, 255] here */
-   raster.line_stipple_factor = ctx->Line.StippleFactor - 1;
+   raster->line_stipple_factor = ctx->Line.StippleFactor - 1;
 
    /* _NEW_MULTISAMPLE */
    if (ctx->Multisample.Enabled)
-      raster.multisample = 1;
+      raster->multisample = 1;
 
    /* _NEW_SCISSOR */
    if (ctx->Scissor.Enabled)
-      raster.scissor = 1;
+      raster->scissor = 1;
 
-   cso = st_cached_rasterizer_state(st, &raster);
-   if (st->state.rasterizer != cso) {
-      st->state.rasterizer = cso;
-      st->pipe->bind_rasterizer_state(st->pipe, cso->data);
-   }
+   cso_set_rasterizer(st->cso_context, raster);
 }
 
 const struct st_tracked_state st_update_rasterizer = {
diff --git a/src/mesa/state_tracker/st_atom_sampler.c b/src/mesa/state_tracker/st_atom_sampler.c
index 1000f98ffc0..1babba9b4fa 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);
 }
 
 
diff --git a/src/mesa/state_tracker/st_atom_shader.c b/src/mesa/state_tracker/st_atom_shader.c
index 10c131d5549..07266884930 100644
--- a/src/mesa/state_tracker/st_atom_shader.c
+++ b/src/mesa/state_tracker/st_atom_shader.c
@@ -43,10 +43,9 @@
 #include "pipe/p_context.h"
 #include "pipe/p_shader_tokens.h"
 
-#include "cso_cache/cso_cache.h"
+#include "cso_cache/cso_context.h"
 
 #include "st_context.h"
-#include "st_cache.h"
 #include "st_atom.h"
 #include "st_program.h"
 #include "st_atom_shader.h"
@@ -70,9 +69,6 @@ struct translated_vertex_program
    /** Maps VERT_RESULT_x to slot */
    GLuint output_to_slot[VERT_RESULT_MAX];
 
-   /** The program in TGSI format */
-   struct tgsi_token tokens[ST_MAX_SHADER_TOKENS];
-
    /** Pointer to the translated vertex program */
    struct st_vertex_program *vp;
 
@@ -158,7 +154,7 @@ find_translated_vp(struct st_context *st,
    /*
     * Translate fragment program if needed.
     */
-   if (!stfp->cso) {
+   if (!stfp->state.tokens) {
       GLuint inAttr, numIn = 0;
 
       for (inAttr = 0; inAttr < FRAG_ATTRIB_MAX; inAttr++) {
@@ -175,11 +171,7 @@ find_translated_vp(struct st_context *st,
 
       assert(stfp->Base.Base.NumInstructions > 1);
 
-      (void) st_translate_fragment_program(st, stfp,
-                                           stfp->input_to_slot,
-                                           stfp->tokens,
-                                           ST_MAX_SHADER_TOKENS);
-      assert(stfp->cso);
+      st_translate_fragment_program(st, stfp, stfp->input_to_slot);
    }
 
 
@@ -261,12 +253,8 @@ find_translated_vp(struct st_context *st,
 
       assert(stvp->Base.Base.NumInstructions > 1);
 
-      st_translate_vertex_program(st, stvp,
-                                  xvp->output_to_slot,
-                                  xvp->tokens,
-                                  ST_MAX_SHADER_TOKENS);
+      st_translate_vertex_program(st, stvp, xvp->output_to_slot);
 
-      assert(stvp->cso);
       xvp->vp = stvp;
 
       /* translated VP is up to date now */
@@ -296,12 +284,10 @@ update_linkage( struct st_context *st )
    xvp = find_translated_vp(st, stvp, stfp);
 
    st->vp = stvp;
-   st->state.vs = xvp->vp;
-   st->pipe->bind_vs_state(st->pipe, st->state.vs->cso->data);
-
    st->fp = stfp;
-   st->state.fs = stfp->cso;
-   st->pipe->bind_fs_state(st->pipe, st->state.fs->data);
+
+   st->pipe->bind_vs_state(st->pipe, stvp->driver_shader);
+   st->pipe->bind_fs_state(st->pipe, stfp->driver_shader);
 
    st->vertex_result_to_slot = xvp->output_to_slot;
 }
diff --git a/src/mesa/state_tracker/st_cb_accum.c b/src/mesa/state_tracker/st_cb_accum.c
index 663c4f205d8..f1fddc4e026 100644
--- a/src/mesa/state_tracker/st_cb_accum.c
+++ b/src/mesa/state_tracker/st_cb_accum.c
@@ -35,7 +35,6 @@
 #include "main/macros.h"
 
 #include "st_context.h"
-#include "st_cache.h"
 #include "st_cb_accum.h"
 #include "st_cb_fbo.h"
 #include "st_draw.h"
diff --git a/src/mesa/state_tracker/st_cb_clear.c b/src/mesa/state_tracker/st_cb_clear.c
index e712fd84cd5..eae40f2a4f1 100644
--- a/src/mesa/state_tracker/st_cb_clear.c
+++ b/src/mesa/state_tracker/st_cb_clear.c
@@ -35,7 +35,6 @@
 #include "main/macros.h"
 #include "shader/prog_instruction.h"
 #include "st_atom.h"
-#include "st_cache.h"
 #include "st_context.h"
 #include "st_cb_accum.h"
 #include "st_cb_clear.h"
@@ -50,6 +49,8 @@
 #include "pipe/p_defines.h"
 #include "pipe/p_winsys.h"
 
+#include "cso_cache/cso_context.h"
+
 
 
 
@@ -157,8 +158,7 @@ make_frag_shader(struct st_context *st)
    p->OutputsWritten = (1 << FRAG_RESULT_COLR);
 
    stfp = (struct st_fragment_program *) p;
-   st_translate_fragment_program(st, stfp, NULL,
-                                 stfp->tokens, ST_MAX_SHADER_TOKENS);
+   st_translate_fragment_program(st, stfp, NULL);
 
    return stfp;
 }
@@ -206,9 +206,10 @@ make_vertex_shader(struct st_context *st)
                         (1 << VERT_RESULT_HPOS));
 
    stvp = (struct st_vertex_program *) p;
-   st_translate_vertex_program(st, stvp, NULL,
-                               stvp->tokens, ST_MAX_SHADER_TOKENS);
+   st_translate_vertex_program(st, stvp, NULL);
+#if 0
    assert(stvp->cso);
+#endif
 
    return stvp;
 }
@@ -284,7 +285,6 @@ clear_with_quad(GLcontext *ctx,
    /* blend state: RGBA masking */
    {
       struct pipe_blend_state blend;
-      const struct cso_blend *cso;
       memset(&blend, 0, sizeof(blend));
       if (color) {
          if (ctx->Color.ColorMask[0])
@@ -298,14 +298,12 @@ clear_with_quad(GLcontext *ctx,
          if (st->ctx->Color.DitherFlag)
             blend.dither = 1;
       }
-      cso = st_cached_blend_state(st, &blend);
-      pipe->bind_blend_state(pipe, cso->data);
+      cso_set_blend(st->cso_context, &blend);
    }
 
    /* depth_stencil state: always pass/set to ref value */
    {
       struct pipe_depth_stencil_alpha_state depth_stencil;
-      const struct cso_depth_stencil_alpha *cso;
       memset(&depth_stencil, 0, sizeof(depth_stencil));
       if (depth) {
          depth_stencil.depth.enabled = 1;
@@ -323,14 +321,13 @@ clear_with_quad(GLcontext *ctx,
          depth_stencil.stencil[0].value_mask = 0xff;
          depth_stencil.stencil[0].write_mask = ctx->Stencil.WriteMask[0] & 0xff;
       }
-      cso = st_cached_depth_stencil_alpha_state(st, &depth_stencil);
-      pipe->bind_depth_stencil_alpha_state(pipe, cso->data);
+
+      cso_set_depth_stencil_alpha(st->cso_context, &depth_stencil);
    }
 
    /* rasterizer state: nothing */
    {
       struct pipe_rasterizer_state raster;
-      const struct cso_rasterizer *cso;
       memset(&raster, 0, sizeof(raster));
 #if 0
       /* don't do per-pixel scissor; we'll just draw a PIPE_PRIM_QUAD
@@ -339,8 +336,7 @@ clear_with_quad(GLcontext *ctx,
       if (ctx->Scissor.Enabled)
          raster.scissor = 1;
 #endif
-      cso = st_cached_rasterizer_state(st, &raster);
-      pipe->bind_rasterizer_state(pipe, cso->data);
+      cso_set_rasterizer(st->cso_context, &raster);
    }
 
    /* fragment shader state: color pass-through program */
@@ -349,7 +345,7 @@ clear_with_quad(GLcontext *ctx,
       if (!stfp) {
          stfp = make_frag_shader(st);
       }
-      pipe->bind_fs_state(pipe, stfp->cso->data);
+      pipe->bind_fs_state(pipe, stfp->driver_shader);
    }
 
    /* vertex shader state: color/position pass-through */
@@ -358,7 +354,7 @@ clear_with_quad(GLcontext *ctx,
       if (!stvp) {
          stvp = make_vertex_shader(st);
       }
-      pipe->bind_vs_state(pipe, stvp->cso->data);
+      pipe->bind_vs_state(pipe, stvp->driver_shader);
    }
 
    /* viewport state: viewport matching window dims */
@@ -380,16 +376,19 @@ clear_with_quad(GLcontext *ctx,
    /* draw quad matching scissor rect (XXX verify coord round-off) */
    draw_quad(ctx, x0, y0, x1, y1, ctx->Depth.Clear, ctx->Color.ClearColor);
 
+#if 0
+   /* Can't depend on old state objects still existing -- may have
+    * been deleted to make room in the hash, etc.  (Should get
+    * fixed...)
+    */
+   st_invalidate_state(ctx, _NEW_COLOR | _NEW_DEPTH | _NEW_STENCIL);
+#else
    /* Restore pipe state */
-   pipe->bind_blend_state(pipe, st->state.blend->data);
-   pipe->bind_depth_stencil_alpha_state(pipe, st->state.depth_stencil->data);
-   pipe->bind_fs_state(pipe, st->state.fs->data);
-   pipe->bind_vs_state(pipe, st->state.vs->cso->data);
-   pipe->bind_rasterizer_state(pipe, st->state.rasterizer->data);
+   cso_set_rasterizer(st->cso_context, &st->state.rasterizer);
+   pipe->bind_fs_state(pipe, st->fp->driver_shader);
+   pipe->bind_vs_state(pipe, st->vp->driver_shader);
+#endif
    pipe->set_viewport_state(pipe, &st->state.viewport);
-   /* OR:
-   st_invalidate_state(ctx, _NEW_COLOR | _NEW_DEPTH | _NEW_STENCIL);
-   */
 }
 
 
diff --git a/src/mesa/state_tracker/st_cb_drawpixels.c b/src/mesa/state_tracker/st_cb_drawpixels.c
index dee4c4132a4..18ec9645c44 100644
--- a/src/mesa/state_tracker/st_cb_drawpixels.c
+++ b/src/mesa/state_tracker/st_cb_drawpixels.c
@@ -41,7 +41,6 @@
 #include "st_context.h"
 #include "st_atom.h"
 #include "st_atom_constbuf.h"
-#include "st_cache.h"
 #include "st_draw.h"
 #include "st_program.h"
 #include "st_cb_drawpixels.h"
@@ -58,6 +57,7 @@
 #include "pipe/p_winsys.h"
 #include "util/p_tile.h"
 #include "shader/prog_instruction.h"
+#include "cso_cache/cso_context.h"
 
 
 /**
@@ -159,8 +159,7 @@ make_bitmap_fragment_program(GLcontext *ctx)
 
    stfp = (struct st_fragment_program *) p;
    stfp->Base.UsesKill = GL_TRUE;
-   st_translate_fragment_program(ctx->st, stfp, NULL,
-                                 stfp->tokens, ST_MAX_SHADER_TOKENS);
+   st_translate_fragment_program(ctx->st, stfp, NULL);
 
    return stfp;
 }
@@ -204,8 +203,7 @@ combined_bitmap_fragment_program(GLcontext *ctx)
 #endif
 
       /* translate to TGSI tokens */
-      st_translate_fragment_program(st, stfp, NULL,
-                                    stfp->tokens, ST_MAX_SHADER_TOKENS);
+      st_translate_fragment_program(st, stfp, NULL);
 
       /* save new program, update serial numbers */
       st->bitmap.user_prog_sn = st->fp->serialNo;
@@ -266,8 +264,7 @@ combined_drawpix_fragment_program(GLcontext *ctx)
 #endif
 
       /* translate to TGSI tokens */
-      st_translate_fragment_program(st, stfp, NULL,
-                                    stfp->tokens, ST_MAX_SHADER_TOKENS);
+      st_translate_fragment_program(st, stfp, NULL);
 
       /* save new program, update serial numbers */
       st->pixel_xfer.xfer_prog_sn = st->pixel_xfer.program->serialNo;
@@ -343,8 +340,7 @@ make_fragment_shader_z(struct st_context *st)
    p->OutputsWritten = (1 << FRAG_RESULT_COLR) | (1 << FRAG_RESULT_DEPR);
 
    stfp = (struct st_fragment_program *) p;
-   st_translate_fragment_program(st, stfp, NULL,
-                                 stfp->tokens, ST_MAX_SHADER_TOKENS);
+   st_translate_fragment_program(st, stfp, NULL);
 
    return stfp;
 }
@@ -421,8 +417,7 @@ st_make_passthrough_vertex_shader(struct st_context *st, GLboolean passColor)
    }
 
    stvp = (struct st_vertex_program *) p;
-   st_translate_vertex_program(st, stvp, NULL,
-                               stvp->tokens, ST_MAX_SHADER_TOKENS);
+   st_translate_vertex_program(st, stvp, NULL);
 
    progs[passColor] = stvp;
 
@@ -641,7 +636,9 @@ draw_textured_quad(GLcontext *ctx, GLint x, GLint y, GLfloat z,
                    const GLfloat *color,
                    GLboolean invertTex)
 {
+   struct st_context *st = ctx->st;
    struct pipe_context *pipe = ctx->st->pipe;
+   struct cso_context *cso = ctx->st->cso_context;
    GLfloat x0, y0, x1, y1;
    GLuint maxSize;
 
@@ -656,24 +653,23 @@ draw_textured_quad(GLcontext *ctx, GLint x, GLint y, GLfloat z,
    /* setup state: just scissor */
    {
       struct pipe_rasterizer_state  setup;
-      const struct cso_rasterizer  *cso;
       memset(&setup, 0, sizeof(setup));
       if (ctx->Scissor.Enabled)
          setup.scissor = 1;
-      cso = st_cached_rasterizer_state(ctx->st, &setup);
-      pipe->bind_rasterizer_state(pipe, cso->data);
+
+      cso_set_rasterizer(cso, &setup);
    }
 
    /* fragment shader state: TEX lookup program */
-   pipe->bind_fs_state(pipe, stfp->cso->data);
+   pipe->bind_fs_state(pipe, stfp->driver_shader);
 
    /* vertex shader state: position + texcoord pass-through */
-   pipe->bind_vs_state(pipe, stvp->cso->data);
+   pipe->bind_vs_state(pipe, stvp->driver_shader);
+
 
    /* texture sampling state: */
    {
       struct pipe_sampler_state sampler;
-      const struct cso_sampler *cso;
       memset(&sampler, 0, sizeof(sampler));
       sampler.wrap_s = PIPE_TEX_WRAP_CLAMP;
       sampler.wrap_t = PIPE_TEX_WRAP_CLAMP;
@@ -682,8 +678,9 @@ draw_textured_quad(GLcontext *ctx, GLint x, GLint y, GLfloat z,
       sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE;
       sampler.mag_img_filter = PIPE_TEX_FILTER_NEAREST;
       sampler.normalized_coords = 1;
-      cso = st_cached_sampler_state(ctx->st, &sampler);
-      pipe->bind_sampler_states(pipe, 1, (void**)&cso->data);
+
+      cso_single_sampler(cso, 0, &sampler);
+      cso_single_sampler_done(cso);
    }
 
    /* viewport state: viewport matching window dims */
@@ -723,14 +720,25 @@ draw_textured_quad(GLcontext *ctx, GLint x, GLint y, GLfloat z,
       draw_quad(ctx, x0, y0, z, x1, y1, invertTex);
 
    /* restore GL state */
-   pipe->bind_rasterizer_state(pipe, ctx->st->state.rasterizer->data);
-   pipe->bind_fs_state(pipe, ctx->st->state.fs->data);
-   pipe->bind_vs_state(pipe, ctx->st->state.vs->cso->data);
    pipe->set_sampler_textures(pipe, ctx->st->state.num_textures,
                               ctx->st->state.sampler_texture);
-   pipe->bind_sampler_states(pipe, ctx->st->state.num_samplers,
-                             ctx->st->state.sampler);
+
    pipe->set_viewport_state(pipe, &ctx->st->state.viewport);
+
+#if 0
+   /* Can't depend on old state objects still existing -- may have
+    * been deleted to make room in the hash, etc.  (Should get
+    * fixed...)
+    */
+   st_invalidate_state(ctx, _NEW_COLOR | _NEW_TEXTURE);
+#else
+   /* restore state */
+   pipe->bind_fs_state(pipe, st->fp->driver_shader);
+   pipe->bind_vs_state(pipe, st->vp->driver_shader);
+   cso_set_rasterizer(cso, &st->state.rasterizer);
+   cso_set_samplers(cso, PIPE_MAX_SAMPLERS,
+                 (const struct pipe_sampler_state **) st->state.sampler_list);
+#endif
 }
 
 
@@ -798,10 +806,10 @@ compatible_formats(GLenum format, GLenum type, enum pipe_format pipeFormat)
 static GLboolean
 any_fragment_ops(const struct st_context *st)
 {
-   if (st->state.depth_stencil->state.alpha.enabled ||
-       st->state.blend->state.blend_enable ||
-       st->state.blend->state.logicop_enable ||
-       st->state.depth_stencil->state.depth.enabled)
+   if (st->state.depth_stencil.alpha.enabled ||
+       st->state.depth_stencil.depth.enabled ||
+       st->state.blend.blend_enable ||
+       st->state.blend.logicop_enable)
       /* XXX more checks */
       return GL_TRUE;
    else
diff --git a/src/mesa/state_tracker/st_cb_program.c b/src/mesa/state_tracker/st_cb_program.c
index 61d4f4c41c6..4dc76f19b10 100644
--- a/src/mesa/state_tracker/st_cb_program.c
+++ b/src/mesa/state_tracker/st_cb_program.c
@@ -168,11 +168,13 @@ static void st_program_string_notify( GLcontext *ctx,
 
       stfp->serialNo++;
 
+#if 0
       if (stfp->cso) {
          /* free the TGSI code */
          // cso_delete(stfp->vs);
          stfp->cso = NULL;
       }
+#endif
 
       stfp->param_state = stfp->Base.Base.Parameters->StateFlags;
 
@@ -184,13 +186,14 @@ static void st_program_string_notify( GLcontext *ctx,
 
       stvp->serialNo++;
 
+#if 0
       if (stvp->cso) {
          /* free the CSO data */
          st->pipe->delete_vs_state(st->pipe, stvp->cso->data);
          FREE((void *) stvp->cso);
          stvp->cso = NULL;
       }
-
+#endif
       if (stvp->draw_shader) {
          draw_delete_vertex_shader(st->draw, stvp->draw_shader);
          stvp->draw_shader = NULL;
diff --git a/src/mesa/state_tracker/st_context.c b/src/mesa/state_tracker/st_context.c
index 09e389f9dc7..5458ab420e4 100644
--- a/src/mesa/state_tracker/st_context.c
+++ b/src/mesa/state_tracker/st_context.c
@@ -56,6 +56,7 @@
 #include "pipe/p_inlines.h"
 #include "draw/draw_context.h"
 #include "cso_cache/cso_cache.h"
+#include "cso_cache/cso_context.h"
 
 
 /**
@@ -78,6 +79,7 @@ void st_invalidate_state(GLcontext * ctx, GLuint new_state)
 static struct st_context *
 st_create_context_priv( GLcontext *ctx, struct pipe_context *pipe )
 {
+   uint i;
    struct st_context *st = CALLOC_STRUCT( st_context );
    
    ctx->st = st;
@@ -93,12 +95,15 @@ st_create_context_priv( GLcontext *ctx, struct pipe_context *pipe )
    st->dirty.mesa = ~0;
    st->dirty.st = ~0;
 
-   st->cache = cso_cache_create();
+   st->cso_context = cso_create_context(pipe);
 
    st_init_atoms( st );
    st_init_draw( st );
    st_init_generate_mipmap(st);
 
+   for (i = 0; i < PIPE_MAX_SAMPLERS; i++)
+      st->state.sampler_list[i] = &st->state.samplers[i];
+
    /* we want all vertex data to be placed in buffer objects */
    vbo_use_buffer_objects(ctx);
 
@@ -149,7 +154,7 @@ static void st_destroy_context_priv( struct st_context *st )
 
    _vbo_DestroyContext(st->ctx);
 
-   cso_cache_delete( st->cache );
+   cso_destroy_context(st->cso_context);
 
    _mesa_delete_program_cache(st->ctx, st->pixel_xfer.cache);
 
diff --git a/src/mesa/state_tracker/st_context.h b/src/mesa/state_tracker/st_context.h
index 897a5109b7e..e81aebba3d2 100644
--- a/src/mesa/state_tracker/st_context.h
+++ b/src/mesa/state_tracker/st_context.h
@@ -74,14 +74,11 @@ struct st_context
     * Other state is just parameter values.
     */
    struct {
-      const struct cso_alpha_test      *alpha_test;
-      const struct cso_blend           *blend;
-      void                             *sampler[PIPE_MAX_SAMPLERS];
-      const struct cso_depth_stencil_alpha   *depth_stencil;
-      const struct cso_rasterizer      *rasterizer;
-      const struct cso_fragment_shader *fs;
-      struct st_vertex_program   *vs;
-
+      struct pipe_blend_state               blend;
+      struct pipe_depth_stencil_alpha_state depth_stencil;
+      struct pipe_rasterizer_state          rasterizer;
+      struct pipe_sampler_state             samplers[PIPE_MAX_SAMPLERS];
+      struct pipe_sampler_state             *sampler_list[PIPE_MAX_SAMPLERS];
       struct pipe_blend_color  blend_color;
       struct pipe_clip_state clip;
       struct pipe_constant_buffer constants[2];
@@ -151,6 +148,10 @@ struct st_context
 
    /** For gen/render mipmap feature */
    struct {
+      struct pipe_blend_state blend;
+      struct pipe_depth_stencil_alpha_state depthstencil;
+      struct pipe_rasterizer_state rasterizer;
+
       void *blend_cso;
       void *depthstencil_cso;
       void *rasterizer_cso;
@@ -158,7 +159,7 @@ struct st_context
       struct st_vertex_program *stvp;
    } gen_mipmap;
 
-   struct cso_cache *cache;
+   struct cso_context *cso_context;
 };
 
 
diff --git a/src/mesa/state_tracker/st_debug.c b/src/mesa/state_tracker/st_debug.c
index 5888bcb98a3..9c13010da85 100644
--- a/src/mesa/state_tracker/st_debug.c
+++ b/src/mesa/state_tracker/st_debug.c
@@ -53,15 +53,15 @@ st_print_current(void)
    int i;
 
    printf("Vertex Transform Inputs:\n");
-   for (i = 0; i < st->state.vs->cso->state.num_inputs; i++) {
+   for (i = 0; i < st->vp->state.num_inputs; i++) {
       printf("  Slot %d:  VERT_ATTRIB_%d\n", i, st->vp->index_to_input[i]);
    }
 
-   tgsi_dump( st->state.vs->cso->state.tokens, 0 );
+   tgsi_dump( st->vp->state.tokens, 0 );
    if (st->vp->Base.Base.Parameters)
       _mesa_print_parameter_list(st->vp->Base.Base.Parameters);
 
-   tgsi_dump( st->state.fs->state.tokens, 0 );
+   tgsi_dump( st->fp->state.tokens, 0 );
    if (st->fp->Base.Base.Parameters)
       _mesa_print_parameter_list(st->fp->Base.Base.Parameters);
 }
diff --git a/src/mesa/state_tracker/st_draw.c b/src/mesa/state_tracker/st_draw.c
index 1c0fa8c6aad..98504e46c1a 100644
--- a/src/mesa/state_tracker/st_draw.c
+++ b/src/mesa/state_tracker/st_draw.c
@@ -36,7 +36,6 @@
 #include "vbo/vbo.h"
 
 #include "st_atom.h"
-#include "st_cache.h"
 #include "st_context.h"
 #include "st_cb_bufferobjects.h"
 #include "st_draw.h"
@@ -219,7 +218,7 @@ st_draw_vbo(GLcontext *ctx,
 
    /* must get these after state validation! */
    vp = ctx->st->vp;
-   vs = &ctx->st->state.vs->cso->state;
+   vs = &ctx->st->vp->state;
 
    /* loop over TGSI shader inputs to determine vertex buffer
     * and attribute info
@@ -481,10 +480,10 @@ st_feedback_draw_vbo(GLcontext *ctx,
 
    /* must get these after state validation! */
    vp = ctx->st->vp;
-   vs = &ctx->st->state.vs->cso->state;
+   vs = &st->vp->state;
 
-   if (!st->state.vs->draw_shader) {
-      st->state.vs->draw_shader = draw_create_vertex_shader(draw, vs);
+   if (!st->vp->draw_shader) {
+      st->vp->draw_shader = draw_create_vertex_shader(draw, vs);
    }
 
    /*
@@ -496,8 +495,8 @@ st_feedback_draw_vbo(GLcontext *ctx,
    assert(draw);
    draw_set_viewport_state(draw, &st->state.viewport);
    draw_set_clip_state(draw, &st->state.clip);
-   draw_set_rasterizer_state(draw, &st->state.rasterizer->state);
-   draw_bind_vertex_shader(draw, st->state.vs->draw_shader);
+   draw_set_rasterizer_state(draw, &st->state.rasterizer);
+   draw_bind_vertex_shader(draw, st->vp->draw_shader);
    set_feedback_vertex_format(ctx);
 
    /* loop over TGSI shader inputs to determine vertex buffer
diff --git a/src/mesa/state_tracker/st_gen_mipmap.c b/src/mesa/state_tracker/st_gen_mipmap.c
index 3723e26d45d..9c4e1032efe 100644
--- a/src/mesa/state_tracker/st_gen_mipmap.c
+++ b/src/mesa/state_tracker/st_gen_mipmap.c
@@ -38,6 +38,7 @@
 #include "pipe/p_inlines.h"
 #include "pipe/p_winsys.h"
 #include "cso_cache/cso_cache.h"
+#include "cso_cache/cso_context.h"
 
 #include "st_context.h"
 #include "st_draw.h"
@@ -89,8 +90,7 @@ make_tex_fragment_program(GLcontext *ctx)
 
    stfp = (struct st_fragment_program *) p;
 
-   st_translate_fragment_program(ctx->st, stfp, NULL,
-                                 stfp->tokens, ST_MAX_SHADER_TOKENS);
+   st_translate_fragment_program(ctx->st, stfp, NULL);
 
    return stfp;
 }
@@ -118,6 +118,7 @@ st_init_generate_mipmap(struct st_context *st)
    blend.rgb_dst_factor = PIPE_BLENDFACTOR_ZERO;
    blend.alpha_dst_factor = PIPE_BLENDFACTOR_ZERO;
    blend.colormask = PIPE_MASK_RGBA;
+   st->gen_mipmap.blend = blend;
    st->gen_mipmap.blend_cso = pipe->create_blend_state(pipe, &blend);
 
    memset(&depthstencil, 0, sizeof(depthstencil));
@@ -257,14 +258,14 @@ st_render_mipmap(struct st_context *st,
    sampler.normalized_coords = 1;
 
 
-   /* bind CSOs */
-   pipe->bind_blend_state(pipe, st->gen_mipmap.blend_cso);
-   pipe->bind_depth_stencil_alpha_state(pipe, st->gen_mipmap.depthstencil_cso);
-   pipe->bind_rasterizer_state(pipe, st->gen_mipmap.rasterizer_cso);
+   /* bind state */
+   cso_set_blend(st->cso_context, &st->gen_mipmap.blend);
+   cso_set_depth_stencil_alpha(st->cso_context, &st->gen_mipmap.depthstencil);
+   cso_set_rasterizer(st->cso_context, &st->gen_mipmap.rasterizer);
 
    /* bind shaders */
-   pipe->bind_fs_state(pipe, st->gen_mipmap.stfp->cso->data);
-   pipe->bind_vs_state(pipe, st->gen_mipmap.stvp->cso->data);
+   pipe->bind_fs_state(pipe, st->gen_mipmap.stfp->driver_shader);
+   pipe->bind_vs_state(pipe, st->gen_mipmap.stvp->driver_shader);
 
    /*
     * XXX for small mipmap levels, it may be faster to use the software
@@ -304,17 +305,18 @@ st_render_mipmap(struct st_context *st,
    /*pt->first_level = first_level_save;*/
 
    /* restore pipe state */
-   if (st->state.rasterizer)
-      pipe->bind_rasterizer_state(pipe, st->state.rasterizer->data);
-   if (st->state.fs)
-      pipe->bind_fs_state(pipe, st->state.fs->data);
-   if (st->state.vs)
-      pipe->bind_vs_state(pipe, st->state.vs->cso->data);
-   pipe->bind_sampler_states(pipe, st->state.num_samplers,
-                             st->state.sampler);
+#if 0
+   cso_set_rasterizer(st->cso_context, &st->state.rasterizer);
+   cso_set_samplers(st->cso_context, st->state.samplers_list);
+   pipe->bind_fs_state(pipe, st->fp->shader_program);
+   pipe->bind_vs_state(pipe, st->vp->shader_program);
    pipe->set_sampler_textures(pipe, st->state.num_textures,
                               st->state.sampler_texture);
    pipe->set_viewport_state(pipe, &st->state.viewport);
+#else
+   /* XXX is this sufficient? */
+   st_invalidate_state(st->ctx, _NEW_COLOR | _NEW_TEXTURE);
+#endif
 
    return TRUE;
 }
diff --git a/src/mesa/state_tracker/st_mesa_to_tgsi.c b/src/mesa/state_tracker/st_mesa_to_tgsi.c
index 97206752af3..9446b012ad7 100644
--- a/src/mesa/state_tracker/st_mesa_to_tgsi.c
+++ b/src/mesa/state_tracker/st_mesa_to_tgsi.c
@@ -683,8 +683,9 @@ find_temporaries(const struct gl_program *program,
  * \param tokens  array to store translated tokens in
  * \param maxTokens  size of the tokens array
  *
+ * \return number of tokens placed in 'tokens' buffer, or zero if error
  */
-GLboolean
+GLuint
 tgsi_translate_mesa_program(
    uint procType,
    const struct gl_program *program,
@@ -918,6 +919,6 @@ tgsi_translate_mesa_program(
          maxTokens - ti );
    }
 
-   return GL_TRUE;
+   return ti;
 }
 
diff --git a/src/mesa/state_tracker/st_mesa_to_tgsi.h b/src/mesa/state_tracker/st_mesa_to_tgsi.h
index 3ababf13397..63fc855b535 100644
--- a/src/mesa/state_tracker/st_mesa_to_tgsi.h
+++ b/src/mesa/state_tracker/st_mesa_to_tgsi.h
@@ -39,7 +39,7 @@ extern "C" {
 struct tgsi_token;
 struct gl_program;
 
-GLboolean
+GLuint
 tgsi_translate_mesa_program(
    uint procType,
    const struct gl_program *program,
diff --git a/src/mesa/state_tracker/st_program.c b/src/mesa/state_tracker/st_program.c
index aa252c845ad..0f8784e132e 100644
--- a/src/mesa/state_tracker/st_program.c
+++ b/src/mesa/state_tracker/st_program.c
@@ -42,15 +42,29 @@
 #include "tgsi/util/tgsi_dump.h"
 
 #include "st_context.h"
-#include "st_cache.h"
 #include "st_atom.h"
 #include "st_program.h"
 #include "st_mesa_to_tgsi.h"
+#include "cso_cache/cso_context.h"
 
 
 #define TGSI_DEBUG 0
 
 
+/** XXX we should use the version of this from p_util.h but including
+ * that header causes symbol collisions.
+ */
+static INLINE void *
+mem_dup(const void *src, uint size)
+{
+   void *dup = MALLOC(size);
+   if (dup)
+      memcpy(dup, src, size);
+   return dup;
+}
+
+
+
 /**
  * Translate a Mesa vertex shader into a TGSI shader.
  * \param outputMapping  to map vertex program output registers to TGSI
@@ -61,15 +75,15 @@
 void
 st_translate_vertex_program(struct st_context *st,
                             struct st_vertex_program *stvp,
-                            const GLuint outputMapping[],
-                            struct tgsi_token *tokensOut,
-                            GLuint maxTokens)
+                            const GLuint outputMapping[])
 {
+   struct pipe_context *pipe = st->pipe;
+   struct tgsi_token tokens[ST_MAX_SHADER_TOKENS];
    GLuint defaultOutputMapping[VERT_RESULT_MAX];
    struct pipe_shader_state vs;
-   const struct cso_vertex_shader *cso;
    GLuint attr, i;
    GLuint num_generic = 0;
+   GLuint num_tokens;
 
    memset(&vs, 0, sizeof(vs));
 
@@ -240,7 +254,7 @@ st_translate_vertex_program(struct st_context *st,
 
    /* XXX: fix static allocation of tokens:
     */
-   tgsi_translate_mesa_program( TGSI_PROCESSOR_VERTEX,
+   num_tokens = tgsi_translate_mesa_program( TGSI_PROCESSOR_VERTEX,
                                 &stvp->Base.Base,
                                 /* inputs */
                                 vs.num_inputs,
@@ -252,20 +266,21 @@ st_translate_vertex_program(struct st_context *st,
                                 vs.num_outputs,
                                 outputMapping,
                                 vs.output_semantic_name,
-                                 vs.output_semantic_index,
+                                vs.output_semantic_index,
                                 /* tokenized result */
-                                tokensOut, maxTokens);
+                                tokens, ST_MAX_SHADER_TOKENS);
 
-   vs.tokens = tokensOut;
+   vs.tokens = (struct tgsi_token *)
+      mem_dup(tokens, num_tokens * sizeof(tokens[0]));
 
-   cso = st_cached_vs_state(st, &vs);
-   stvp->cso = cso;
+   stvp->state = vs; /* struct copy */
+   stvp->driver_shader = pipe->create_vs_state(pipe, &vs);
 
    if (0)
       _mesa_print_program(&stvp->Base.Base);
 
    if (TGSI_DEBUG)
-      tgsi_dump( tokensOut, 0 );
+      tgsi_dump( vs.tokens, 0 );
 }
 
 
@@ -280,10 +295,10 @@ st_translate_vertex_program(struct st_context *st,
 const struct cso_fragment_shader *
 st_translate_fragment_program(struct st_context *st,
                               struct st_fragment_program *stfp,
-                              const GLuint inputMapping[],
-                              struct tgsi_token *tokensOut,
-                              GLuint maxTokens)
+                              const GLuint inputMapping[])
 {
+   struct pipe_context *pipe = st->pipe;
+   struct tgsi_token tokens[ST_MAX_SHADER_TOKENS];
    GLuint outputMapping[FRAG_RESULT_MAX];
    GLuint defaultInputMapping[FRAG_ATTRIB_MAX];
    struct pipe_shader_state fs;
@@ -293,6 +308,7 @@ st_translate_fragment_program(struct st_context *st,
    const GLbitfield inputsRead = stfp->Base.Base.InputsRead;
    GLuint vslot = 0;
    GLuint num_generic = 0;
+   GLuint num_tokens;
 
    memset(&fs, 0, sizeof(fs));
 
@@ -401,7 +417,7 @@ st_translate_fragment_program(struct st_context *st,
 
    /* XXX: fix static allocation of tokens:
     */
-   tgsi_translate_mesa_program( TGSI_PROCESSOR_FRAGMENT,
+   num_tokens = tgsi_translate_mesa_program( TGSI_PROCESSOR_FRAGMENT,
                                 &stfp->Base.Base,
                                 /* inputs */
                                 fs.num_inputs,
@@ -415,18 +431,19 @@ st_translate_fragment_program(struct st_context *st,
                                 fs.output_semantic_name,
                                 fs.output_semantic_index,
                                 /* tokenized result */
-                                tokensOut, maxTokens);
+                                tokens, ST_MAX_SHADER_TOKENS);
 
-   fs.tokens = tokensOut;
+   fs.tokens = (struct tgsi_token *)
+      mem_dup(tokens, num_tokens * sizeof(tokens[0]));
 
-   cso = st_cached_fs_state(st, &fs);
-   stfp->cso = cso;
+   stfp->state = fs; /* struct copy */
+   stfp->driver_shader = pipe->create_fs_state(pipe, &fs);
 
    if (0)
       _mesa_print_program(&stfp->Base.Base);
 
    if (TGSI_DEBUG)
-      tgsi_dump( tokensOut, 0/*TGSI_DUMP_VERBOSE*/ );
+      tgsi_dump( fs.tokens, 0/*TGSI_DUMP_VERBOSE*/ );
 
    return cso;
 }
diff --git a/src/mesa/state_tracker/st_program.h b/src/mesa/state_tracker/st_program.h
index 31558af6ced..78786dcbb61 100644
--- a/src/mesa/state_tracker/st_program.h
+++ b/src/mesa/state_tracker/st_program.h
@@ -60,11 +60,8 @@ struct st_fragment_program
    /** map FP input back to VP output */
    GLuint input_map[PIPE_MAX_SHADER_INPUTS];
 
-   /** The program in TGSI format */
-   struct tgsi_token tokens[ST_MAX_SHADER_TOKENS];
-
-   /** Pointer to the corresponding cached shader */
-   const struct cso_fragment_shader *cso;
+   struct pipe_shader_state state;
+   struct pipe_shader_state *driver_shader;
 
    GLuint param_state;
 
@@ -88,11 +85,8 @@ struct st_vertex_program
    /** maps a TGSI input index back to a Mesa VERT_ATTRIB_x */
    GLuint index_to_input[PIPE_MAX_SHADER_INPUTS];
 
-   /** The program in TGSI format */
-   struct tgsi_token tokens[ST_MAX_SHADER_TOKENS];
-
-   /** Pointer to the corresponding cached shader */
-   const struct cso_vertex_shader *cso;
+   struct pipe_shader_state state;
+   struct pipe_shader_state *driver_shader;
 
    /** For using our private draw module (glRasterPos) */
    struct draw_vertex_shader *draw_shader;
@@ -122,16 +116,12 @@ st_vertex_program( struct gl_vertex_program *vp )
 extern const struct cso_fragment_shader *
 st_translate_fragment_program(struct st_context *st,
                               struct st_fragment_program *fp,
-                              const GLuint inputMapping[],
-                              struct tgsi_token *tokens,
-                              GLuint maxTokens);
+                              const GLuint inputMapping[]);
 
 
 extern void
 st_translate_vertex_program(struct st_context *st,
                             struct st_vertex_program *vp,
-                            const GLuint vert_output_to_slot[],
-                            struct tgsi_token *tokens,
-                            GLuint maxTokens);
+                            const GLuint vert_output_to_slot[]);
 
 #endif