X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fgallium%2Fauxiliary%2Fcso_cache%2Fcso_context.c;h=9ec7a2a9676108fbf0c9254b059d3966761da4e9;hb=76eefcc70cc62db7d226591de3f918ff102f6de3;hp=6d0b42079866604460ae057d5530d506728a33f5;hpb=6fc532ae05352a5540c658580cde08b1e0e9f84c;p=mesa.git

diff --git a/src/gallium/auxiliary/cso_cache/cso_context.c b/src/gallium/auxiliary/cso_cache/cso_context.c
index 6d0b4207986..9ec7a2a9676 100644
--- a/src/gallium/auxiliary/cso_cache/cso_context.c
+++ b/src/gallium/auxiliary/cso_cache/cso_context.c
@@ -36,6 +36,8 @@
   */
 
 #include "pipe/p_state.h"
+#include "util/u_draw.h"
+#include "util/u_framebuffer.h"
 #include "util/u_inlines.h"
 #include "util/u_math.h"
 #include "util/u_memory.h"
@@ -46,41 +48,54 @@
 #include "cso_cache/cso_hash.h"
 #include "cso_context.h"
 
-struct cso_context {
-   struct pipe_context *pipe;
-   struct cso_cache *cache;
 
+/**
+ * Info related to samplers and sampler views.
+ * We have one of these for fragment samplers and another for vertex samplers.
+ */
+struct sampler_info
+{
    struct {
       void *samplers[PIPE_MAX_SAMPLERS];
       unsigned nr_samplers;
-
-      void *vertex_samplers[PIPE_MAX_VERTEX_SAMPLERS];
-      unsigned nr_vertex_samplers;
    } hw;
 
    void *samplers[PIPE_MAX_SAMPLERS];
    unsigned nr_samplers;
 
-   void *vertex_samplers[PIPE_MAX_VERTEX_SAMPLERS];
-   unsigned nr_vertex_samplers;
-
-   unsigned nr_samplers_saved;
    void *samplers_saved[PIPE_MAX_SAMPLERS];
+   unsigned nr_samplers_saved;
+
+   struct pipe_sampler_view *views[PIPE_MAX_SAMPLERS];
+   unsigned nr_views;
+
+   struct pipe_sampler_view *views_saved[PIPE_MAX_SAMPLERS];
+   unsigned nr_views_saved;
+};
+
+
+
+struct cso_context {
+   struct pipe_context *pipe;
+   struct cso_cache *cache;
+
+   boolean has_geometry_shader;
+   boolean has_streamout;
 
-   unsigned nr_vertex_samplers_saved;
-   void *vertex_samplers_saved[PIPE_MAX_VERTEX_SAMPLERS];
+   struct sampler_info fragment_samplers;
+   struct sampler_info vertex_samplers;
 
-   uint nr_fragment_sampler_views;
-   struct pipe_sampler_view *fragment_sampler_views[PIPE_MAX_SAMPLERS];
+   uint nr_vertex_buffers;
+   struct pipe_vertex_buffer vertex_buffers[PIPE_MAX_ATTRIBS];
 
-   uint nr_vertex_sampler_views;
-   struct pipe_sampler_view *vertex_sampler_views[PIPE_MAX_VERTEX_SAMPLERS];
+   uint nr_vertex_buffers_saved;
+   struct pipe_vertex_buffer vertex_buffers_saved[PIPE_MAX_ATTRIBS];
 
-   uint nr_fragment_sampler_views_saved;
-   struct pipe_sampler_view *fragment_sampler_views_saved[PIPE_MAX_SAMPLERS];
+   unsigned nr_so_targets;
+   struct pipe_stream_output_target *so_targets[PIPE_MAX_SO_BUFFERS];
 
-   uint nr_vertex_sampler_views_saved;
-   struct pipe_sampler_view *vertex_sampler_views_saved[PIPE_MAX_VERTEX_SAMPLERS];
+   unsigned nr_so_targets_saved;
+   struct pipe_stream_output_target *so_targets_saved[PIPE_MAX_SO_BUFFERS];
 
    /** Current and saved state.
     * The saved state is used as a 1-deep stack.
@@ -98,14 +113,11 @@ struct cso_context {
    struct pipe_framebuffer_state fb, fb_saved;
    struct pipe_viewport_state vp, vp_saved;
    struct pipe_blend_color blend_color;
+   unsigned sample_mask;
    struct pipe_stencil_ref stencil_ref, stencil_ref_saved;
 };
 
 
-static void
-free_framebuffer_state(struct pipe_framebuffer_state *fb);
-
-
 static boolean delete_blend_state(struct cso_context *ctx, void *state)
 {
    struct cso_blend *cso = (struct cso_blend *)state;
@@ -154,28 +166,6 @@ static boolean delete_rasterizer_state(struct cso_context *ctx, void *state)
    return TRUE;
 }
 
-static boolean delete_fs_state(struct cso_context *ctx, void *state)
-{
-   struct cso_fragment_shader *cso = (struct cso_fragment_shader *)state;
-   if (ctx->fragment_shader == cso->data)
-      return FALSE;
-   if (cso->delete_state)
-      cso->delete_state(cso->context, cso->data);
-   FREE(state);
-   return TRUE;
-}
-
-static boolean delete_vs_state(struct cso_context *ctx, void *state)
-{
-   struct cso_vertex_shader *cso = (struct cso_vertex_shader *)state;
-   if (ctx->vertex_shader == cso->data)
-      return TRUE;
-   if (cso->delete_state)
-      cso->delete_state(cso->context, cso->data);
-   FREE(state);
-   return FALSE;
-}
-
 static boolean delete_vertex_elements(struct cso_context *ctx,
                                       void *state)
 {
@@ -207,12 +197,6 @@ static INLINE boolean delete_cso(struct cso_context *ctx,
    case CSO_RASTERIZER:
       return delete_rasterizer_state(ctx, state);
       break;
-   case CSO_FRAGMENT_SHADER:
-      return delete_fs_state(ctx, state);
-      break;
-   case CSO_VERTEX_SHADER:
-      return delete_vs_state(ctx, state);
-      break;
    case CSO_VELEMENTS:
       return delete_vertex_elements(ctx, state);
       break;
@@ -254,6 +238,8 @@ struct cso_context *cso_create_context( struct pipe_context *pipe )
    if (ctx == NULL)
       goto out;
 
+   assert(PIPE_MAX_SAMPLERS == PIPE_MAX_VERTEX_SAMPLERS);
+
    ctx->cache = cso_cache_create();
    if (ctx->cache == NULL)
       goto out;
@@ -266,6 +252,15 @@ struct cso_context *cso_create_context( struct pipe_context *pipe )
    /* Enable for testing: */
    if (0) cso_set_maximum_cache_size( ctx->cache, 4 );
 
+   if (pipe->screen->get_shader_param(pipe->screen, PIPE_SHADER_GEOMETRY,
+                                PIPE_SHADER_CAP_MAX_INSTRUCTIONS) > 0) {
+      ctx->has_geometry_shader = TRUE;
+   }
+   if (pipe->screen->get_param(pipe->screen,
+                               PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS) != 0) {
+      ctx->has_streamout = TRUE;
+   }
+
    return ctx;
 
 out:
@@ -280,7 +275,8 @@ out:
 void cso_release_all( struct cso_context *ctx )
 {
    unsigned i;
-   
+   struct sampler_info *info;
+
    if (ctx->pipe) {
       ctx->pipe->bind_blend_state( ctx->pipe, NULL );
       ctx->pipe->bind_rasterizer_state( ctx->pipe, NULL );
@@ -291,20 +287,41 @@ void cso_release_all( struct cso_context *ctx )
       ctx->pipe->bind_fs_state( ctx->pipe, NULL );
       ctx->pipe->bind_vs_state( ctx->pipe, NULL );
       ctx->pipe->bind_vertex_elements_state( ctx->pipe, NULL );
+      ctx->pipe->set_fragment_sampler_views(ctx->pipe, 0, NULL);
+      if (ctx->pipe->set_vertex_sampler_views)
+         ctx->pipe->set_vertex_sampler_views(ctx->pipe, 0, NULL);
+      if (ctx->pipe->set_stream_output_targets)
+         ctx->pipe->set_stream_output_targets(ctx->pipe, 0, NULL, 0);
    }
 
+   /* free fragment samplers, views */
+   info = &ctx->fragment_samplers;   
    for (i = 0; i < PIPE_MAX_SAMPLERS; i++) {
-      pipe_sampler_view_reference(&ctx->fragment_sampler_views[i], NULL);
-      pipe_sampler_view_reference(&ctx->fragment_sampler_views_saved[i], NULL);
+      pipe_sampler_view_reference(&info->views[i], NULL);
+      pipe_sampler_view_reference(&info->views_saved[i], NULL);
    }
 
-   for (i = 0; i < PIPE_MAX_VERTEX_SAMPLERS; i++) {
-      pipe_sampler_view_reference(&ctx->vertex_sampler_views[i], NULL);
-      pipe_sampler_view_reference(&ctx->vertex_sampler_views_saved[i], NULL);
+   /* free vertex samplers, views */
+   info = &ctx->vertex_samplers;   
+   for (i = 0; i < PIPE_MAX_SAMPLERS; i++) {
+      pipe_sampler_view_reference(&info->views[i], NULL);
+      pipe_sampler_view_reference(&info->views_saved[i], NULL);
    }
 
-   free_framebuffer_state(&ctx->fb);
-   free_framebuffer_state(&ctx->fb_saved);
+   util_unreference_framebuffer_state(&ctx->fb);
+   util_unreference_framebuffer_state(&ctx->fb_saved);
+
+   util_copy_vertex_buffers(ctx->vertex_buffers,
+                            &ctx->nr_vertex_buffers,
+                            NULL, 0);
+   util_copy_vertex_buffers(ctx->vertex_buffers_saved,
+                            &ctx->nr_vertex_buffers_saved,
+                            NULL, 0);
+
+   for (i = 0; i < PIPE_MAX_SO_BUFFERS; i++) {
+      pipe_so_target_reference(&ctx->so_targets[i], NULL);
+      pipe_so_target_reference(&ctx->so_targets_saved[i], NULL);
+   }
 
    if (ctx->cache) {
       cso_cache_delete( ctx->cache );
@@ -313,10 +330,13 @@ void cso_release_all( struct cso_context *ctx )
 }
 
 
+/**
+ * Free the CSO context.  NOTE: the state tracker should have previously called
+ * cso_release_all().
+ */
 void cso_destroy_context( struct cso_context *ctx )
 {
    if (ctx) {
-      /*cso_release_all( ctx );*/
       FREE( ctx );
    }
 }
@@ -391,233 +411,6 @@ void cso_restore_blend(struct cso_context *ctx)
 
 
 
-enum pipe_error cso_single_sampler(struct cso_context *ctx,
-                                   unsigned idx,
-                                   const struct pipe_sampler_state *templ)
-{
-   void *handle = NULL;
-
-   if (templ != NULL) {
-      unsigned key_size = sizeof(struct pipe_sampler_state);
-      unsigned hash_key = cso_construct_key((void*)templ, key_size);
-      struct cso_hash_iter iter = cso_find_state_template(ctx->cache,
-                                                          hash_key, CSO_SAMPLER,
-                                                          (void*)templ, key_size);
-
-      if (cso_hash_iter_is_null(iter)) {
-         struct cso_sampler *cso = MALLOC(sizeof(struct cso_sampler));
-         if (!cso)
-            return PIPE_ERROR_OUT_OF_MEMORY;
-
-         memcpy(&cso->state, templ, sizeof(*templ));
-         cso->data = ctx->pipe->create_sampler_state(ctx->pipe, &cso->state);
-         cso->delete_state = (cso_state_callback)ctx->pipe->delete_sampler_state;
-         cso->context = ctx->pipe;
-
-         iter = cso_insert_state(ctx->cache, hash_key, CSO_SAMPLER, cso);
-         if (cso_hash_iter_is_null(iter)) {
-            FREE(cso);
-            return PIPE_ERROR_OUT_OF_MEMORY;
-         }
-
-         handle = cso->data;
-      }
-      else {
-         handle = ((struct cso_sampler *)cso_hash_iter_data(iter))->data;
-      }
-   }
-
-   ctx->samplers[idx] = handle;
-   return PIPE_OK;
-}
-
-enum pipe_error
-cso_single_vertex_sampler(struct cso_context *ctx,
-                          unsigned idx,
-                          const struct pipe_sampler_state *templ)
-{
-   void *handle = NULL;
-
-   if (templ != NULL) {
-      unsigned key_size = sizeof(struct pipe_sampler_state);
-      unsigned hash_key = cso_construct_key((void*)templ, key_size);
-      struct cso_hash_iter iter = cso_find_state_template(ctx->cache,
-                                                          hash_key, CSO_SAMPLER,
-                                                          (void*)templ, key_size);
-
-      if (cso_hash_iter_is_null(iter)) {
-         struct cso_sampler *cso = MALLOC(sizeof(struct cso_sampler));
-         if (!cso)
-            return PIPE_ERROR_OUT_OF_MEMORY;
-
-         memcpy(&cso->state, templ, sizeof(*templ));
-         cso->data = ctx->pipe->create_sampler_state(ctx->pipe, &cso->state);
-         cso->delete_state = (cso_state_callback)ctx->pipe->delete_sampler_state;
-         cso->context = ctx->pipe;
-
-         iter = cso_insert_state(ctx->cache, hash_key, CSO_SAMPLER, cso);
-         if (cso_hash_iter_is_null(iter)) {
-            FREE(cso);
-            return PIPE_ERROR_OUT_OF_MEMORY;
-         }
-
-         handle = cso->data;
-      }
-      else {
-         handle = ((struct cso_sampler *)cso_hash_iter_data(iter))->data;
-      }
-   }
-
-   ctx->vertex_samplers[idx] = handle;
-   return PIPE_OK;
-}
-
-void cso_single_sampler_done( struct cso_context *ctx )
-{
-   unsigned i;
-
-   /* find highest non-null sampler */
-   for (i = PIPE_MAX_SAMPLERS; i > 0; i--) {
-      if (ctx->samplers[i - 1] != NULL)
-         break;
-   }
-
-   ctx->nr_samplers = i;
-
-   if (ctx->hw.nr_samplers != ctx->nr_samplers ||
-       memcmp(ctx->hw.samplers,
-              ctx->samplers,
-              ctx->nr_samplers * sizeof(void *)) != 0) 
-   {
-      memcpy(ctx->hw.samplers, ctx->samplers, ctx->nr_samplers * sizeof(void *));
-      ctx->hw.nr_samplers = ctx->nr_samplers;
-
-      ctx->pipe->bind_fragment_sampler_states(ctx->pipe, ctx->nr_samplers, ctx->samplers);
-   }
-}
-
-void
-cso_single_vertex_sampler_done(struct cso_context *ctx)
-{
-   unsigned i;
-
-   /* find highest non-null sampler */
-   for (i = PIPE_MAX_VERTEX_SAMPLERS; i > 0; i--) {
-      if (ctx->vertex_samplers[i - 1] != NULL)
-         break;
-   }
-
-   ctx->nr_vertex_samplers = i;
-
-   if (ctx->hw.nr_vertex_samplers != ctx->nr_vertex_samplers ||
-       memcmp(ctx->hw.vertex_samplers,
-              ctx->vertex_samplers,
-              ctx->nr_vertex_samplers * sizeof(void *)) != 0) 
-   {
-      memcpy(ctx->hw.vertex_samplers,
-             ctx->vertex_samplers,
-             ctx->nr_vertex_samplers * sizeof(void *));
-      ctx->hw.nr_vertex_samplers = ctx->nr_vertex_samplers;
-
-      ctx->pipe->bind_vertex_sampler_states(ctx->pipe,
-                                            ctx->nr_vertex_samplers,
-                                            ctx->vertex_samplers);
-   }
-}
-
-/*
- * If the function encouters any errors it will return the
- * last one. Done to always try to set as many samplers
- * as possible.
- */
-enum pipe_error cso_set_samplers( struct cso_context *ctx,
-                                  unsigned nr,
-                                  const struct pipe_sampler_state **templates )
-{
-   unsigned i;
-   enum pipe_error temp, error = PIPE_OK;
-
-   /* TODO: fastpath
-    */
-
-   for (i = 0; i < nr; i++) {
-      temp = cso_single_sampler( ctx, i, templates[i] );
-      if (temp != PIPE_OK)
-         error = temp;
-   }
-
-   for ( ; i < ctx->nr_samplers; i++) {
-      temp = cso_single_sampler( ctx, i, NULL );
-      if (temp != PIPE_OK)
-         error = temp;
-   }
-
-   cso_single_sampler_done( ctx );
-
-   return error;
-}
-
-void cso_save_samplers(struct cso_context *ctx)
-{
-   ctx->nr_samplers_saved = ctx->nr_samplers;
-   memcpy(ctx->samplers_saved, ctx->samplers, sizeof(ctx->samplers));
-}
-
-void cso_restore_samplers(struct cso_context *ctx)
-{
-   ctx->nr_samplers = ctx->nr_samplers_saved;
-   memcpy(ctx->samplers, ctx->samplers_saved, sizeof(ctx->samplers));
-   cso_single_sampler_done( ctx );
-}
-
-/*
- * If the function encouters any errors it will return the
- * last one. Done to always try to set as many samplers
- * as possible.
- */
-enum pipe_error cso_set_vertex_samplers(struct cso_context *ctx,
-                                        unsigned nr,
-                                        const struct pipe_sampler_state **templates)
-{
-   unsigned i;
-   enum pipe_error temp, error = PIPE_OK;
-
-   /* TODO: fastpath
-    */
-
-   for (i = 0; i < nr; i++) {
-      temp = cso_single_vertex_sampler( ctx, i, templates[i] );
-      if (temp != PIPE_OK)
-         error = temp;
-   }
-
-   for ( ; i < ctx->nr_samplers; i++) {
-      temp = cso_single_vertex_sampler( ctx, i, NULL );
-      if (temp != PIPE_OK)
-         error = temp;
-   }
-
-   cso_single_vertex_sampler_done( ctx );
-
-   return error;
-}
-
-void
-cso_save_vertex_samplers(struct cso_context *ctx)
-{
-   ctx->nr_vertex_samplers_saved = ctx->nr_vertex_samplers;
-   memcpy(ctx->vertex_samplers_saved, ctx->vertex_samplers, sizeof(ctx->vertex_samplers));
-}
-
-void
-cso_restore_vertex_samplers(struct cso_context *ctx)
-{
-   ctx->nr_vertex_samplers = ctx->nr_vertex_samplers_saved;
-   memcpy(ctx->vertex_samplers, ctx->vertex_samplers_saved, sizeof(ctx->vertex_samplers));
-   cso_single_vertex_sampler_done(ctx);
-}
-
-
 enum pipe_error cso_set_depth_stencil_alpha(struct cso_context *ctx,
                                             const struct pipe_depth_stencil_alpha_state *templ)
 {
@@ -751,52 +544,6 @@ void cso_delete_fragment_shader(struct cso_context *ctx, void *handle )
    ctx->pipe->delete_fs_state(ctx->pipe, handle);
 }
 
-/* Not really working:
- */
-#if 0
-enum pipe_error cso_set_fragment_shader(struct cso_context *ctx,
-                                        const struct pipe_shader_state *templ)
-{
-   const struct tgsi_token *tokens = templ->tokens;
-   unsigned num_tokens = tgsi_num_tokens(tokens);
-   size_t tokens_size = num_tokens*sizeof(struct tgsi_token);
-   unsigned hash_key = cso_construct_key((void*)tokens, tokens_size);
-   struct cso_hash_iter iter = cso_find_state_template(ctx->cache,
-                                                       hash_key, 
-                                                       CSO_FRAGMENT_SHADER,
-                                                       (void*)tokens,
-                                                       sizeof(*templ)); /* XXX correct? tokens_size? */
-   void *handle = NULL;
-
-   if (cso_hash_iter_is_null(iter)) {
-      struct cso_fragment_shader *cso = MALLOC(sizeof(struct cso_fragment_shader) + tokens_size);
-      struct tgsi_token *cso_tokens = (struct tgsi_token *)((char *)cso + sizeof(*cso));
-
-      if (!cso)
-         return PIPE_ERROR_OUT_OF_MEMORY;
-
-      memcpy(cso_tokens, tokens, tokens_size);
-      cso->state.tokens = cso_tokens;
-      cso->data = ctx->pipe->create_fs_state(ctx->pipe, &cso->state);
-      cso->delete_state = (cso_state_callback)ctx->pipe->delete_fs_state;
-      cso->context = ctx->pipe;
-
-      iter = cso_insert_state(ctx->cache, hash_key, CSO_FRAGMENT_SHADER, cso);
-      if (cso_hash_iter_is_null(iter)) {
-         FREE(cso);
-         return PIPE_ERROR_OUT_OF_MEMORY;
-      }
-
-      handle = cso->data;
-   }
-   else {
-      handle = ((struct cso_fragment_shader *)cso_hash_iter_data(iter))->data;
-   }
-
-   return cso_set_fragment_shader_handle( ctx, handle );
-}
-#endif
-
 void cso_save_fragment_shader(struct cso_context *ctx)
 {
    assert(!ctx->fragment_shader_saved);
@@ -833,102 +580,27 @@ void cso_delete_vertex_shader(struct cso_context *ctx, void *handle )
    ctx->pipe->delete_vs_state(ctx->pipe, handle);
 }
 
+void cso_save_vertex_shader(struct cso_context *ctx)
+{
+   assert(!ctx->vertex_shader_saved);
+   ctx->vertex_shader_saved = ctx->vertex_shader;
+}
 
-/* Not really working:
- */
-#if 0
-enum pipe_error cso_set_vertex_shader(struct cso_context *ctx,
-                                      const struct pipe_shader_state *templ)
+void cso_restore_vertex_shader(struct cso_context *ctx)
 {
-   unsigned hash_key = cso_construct_key((void*)templ,
-                                         sizeof(struct pipe_shader_state));
-   struct cso_hash_iter iter = cso_find_state_template(ctx->cache,
-                                                       hash_key, CSO_VERTEX_SHADER,
-                                                       (void*)templ,
-                                                       sizeof(*templ));
-   void *handle = NULL;
-
-   if (cso_hash_iter_is_null(iter)) {
-      struct cso_vertex_shader *cso = MALLOC(sizeof(struct cso_vertex_shader));
-
-      if (!cso)
-         return PIPE_ERROR_OUT_OF_MEMORY;
-
-      memcpy(cso->state, templ, sizeof(*templ));
-      cso->data = ctx->pipe->create_vs_state(ctx->pipe, &cso->state);
-      cso->delete_state = (cso_state_callback)ctx->pipe->delete_vs_state;
-      cso->context = ctx->pipe;
-
-      iter = cso_insert_state(ctx->cache, hash_key, CSO_VERTEX_SHADER, cso);
-      if (cso_hash_iter_is_null(iter)) {
-         FREE(cso);
-         return PIPE_ERROR_OUT_OF_MEMORY;
-      }
-
-      handle = cso->data;
-   }
-   else {
-      handle = ((struct cso_vertex_shader *)cso_hash_iter_data(iter))->data;
-   }
-
-   return cso_set_vertex_shader_handle( ctx, handle );
-}
-#endif
-
-
-
-void cso_save_vertex_shader(struct cso_context *ctx)
-{
-   assert(!ctx->vertex_shader_saved);
-   ctx->vertex_shader_saved = ctx->vertex_shader;
-}
-
-void cso_restore_vertex_shader(struct cso_context *ctx)
-{
-   if (ctx->vertex_shader_saved != ctx->vertex_shader) {
-      ctx->pipe->bind_vs_state(ctx->pipe, ctx->vertex_shader_saved);
-      ctx->vertex_shader = ctx->vertex_shader_saved;
-   }
-   ctx->vertex_shader_saved = NULL;
-}
-
-
-/**
- * Copy framebuffer state from src to dst with refcounting of surfaces.
- */
-static void
-copy_framebuffer_state(struct pipe_framebuffer_state *dst,
-                       const struct pipe_framebuffer_state *src)
-{
-   uint i;
-
-   dst->width = src->width;
-   dst->height = src->height;
-   dst->nr_cbufs = src->nr_cbufs;
-   for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
-      pipe_surface_reference(&dst->cbufs[i], src->cbufs[i]);
-   }
-   pipe_surface_reference(&dst->zsbuf, src->zsbuf);
-}
-
-
-static void
-free_framebuffer_state(struct pipe_framebuffer_state *fb)
-{
-   uint i;
-
-   for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
-      pipe_surface_reference(&fb->cbufs[i], NULL);
-   }
-   pipe_surface_reference(&fb->zsbuf, NULL);
-}
+   if (ctx->vertex_shader_saved != ctx->vertex_shader) {
+      ctx->pipe->bind_vs_state(ctx->pipe, ctx->vertex_shader_saved);
+      ctx->vertex_shader = ctx->vertex_shader_saved;
+   }
+   ctx->vertex_shader_saved = NULL;
+}
 
 
 enum pipe_error cso_set_framebuffer(struct cso_context *ctx,
                                     const struct pipe_framebuffer_state *fb)
 {
    if (memcmp(&ctx->fb, fb, sizeof(*fb)) != 0) {
-      copy_framebuffer_state(&ctx->fb, fb);
+      util_copy_framebuffer_state(&ctx->fb, fb);
       ctx->pipe->set_framebuffer_state(ctx->pipe, fb);
    }
    return PIPE_OK;
@@ -936,15 +608,15 @@ enum pipe_error cso_set_framebuffer(struct cso_context *ctx,
 
 void cso_save_framebuffer(struct cso_context *ctx)
 {
-   copy_framebuffer_state(&ctx->fb_saved, &ctx->fb);
+   util_copy_framebuffer_state(&ctx->fb_saved, &ctx->fb);
 }
 
 void cso_restore_framebuffer(struct cso_context *ctx)
 {
    if (memcmp(&ctx->fb, &ctx->fb_saved, sizeof(ctx->fb))) {
-      copy_framebuffer_state(&ctx->fb, &ctx->fb_saved);
+      util_copy_framebuffer_state(&ctx->fb, &ctx->fb_saved);
       ctx->pipe->set_framebuffer_state(ctx->pipe, &ctx->fb);
-      free_framebuffer_state(&ctx->fb_saved);
+      util_unreference_framebuffer_state(&ctx->fb_saved);
    }
 }
 
@@ -984,6 +656,16 @@ enum pipe_error cso_set_blend_color(struct cso_context *ctx,
    return PIPE_OK;
 }
 
+enum pipe_error cso_set_sample_mask(struct cso_context *ctx,
+                                    unsigned sample_mask)
+{
+   if (ctx->sample_mask != sample_mask) {
+      ctx->sample_mask = sample_mask;
+      ctx->pipe->set_sample_mask(ctx->pipe, sample_mask);
+   }
+   return PIPE_OK;
+}
+
 enum pipe_error cso_set_stencil_ref(struct cso_context *ctx,
                                     const struct pipe_stencil_ref *sr)
 {
@@ -1011,7 +693,9 @@ void cso_restore_stencil_ref(struct cso_context *ctx)
 enum pipe_error cso_set_geometry_shader_handle(struct cso_context *ctx,
                                                void *handle)
 {
-   if (ctx->geometry_shader != handle) {
+   assert(ctx->has_geometry_shader || !handle);
+
+   if (ctx->has_geometry_shader && ctx->geometry_shader != handle) {
       ctx->geometry_shader = handle;
       ctx->pipe->bind_gs_state(ctx->pipe, handle);
    }
@@ -1030,12 +714,20 @@ void cso_delete_geometry_shader(struct cso_context *ctx, void *handle)
 
 void cso_save_geometry_shader(struct cso_context *ctx)
 {
+   if (!ctx->has_geometry_shader) {
+      return;
+   }
+
    assert(!ctx->geometry_shader_saved);
    ctx->geometry_shader_saved = ctx->geometry_shader;
 }
 
 void cso_restore_geometry_shader(struct cso_context *ctx)
 {
+   if (!ctx->has_geometry_shader) {
+      return;
+   }
+
    if (ctx->geometry_shader_saved != ctx->geometry_shader) {
       ctx->pipe->bind_gs_state(ctx->pipe, ctx->geometry_shader_saved);
       ctx->geometry_shader = ctx->geometry_shader_saved;
@@ -1049,23 +741,14 @@ static INLINE void
 clip_state_cpy(struct pipe_clip_state *dst,
                const struct pipe_clip_state *src)
 {
-   dst->nr = src->nr;
-   if (src->nr) {
-      memcpy(dst->ucp, src->ucp, src->nr * sizeof(src->ucp[0]));
-   }
+   memcpy(dst->ucp, src->ucp, sizeof(dst->ucp));
 }
 
 static INLINE int
 clip_state_cmp(const struct pipe_clip_state *a,
                const struct pipe_clip_state *b)
 {
-   if (a->nr != b->nr) {
-      return 1;
-   }
-   if (a->nr) {
-      return memcmp(a->ucp, b->ucp, a->nr * sizeof(a->ucp[0]));
-   }
-   return 0;
+   return memcmp(a->ucp, b->ucp, sizeof(a->ucp));
 }
 
 void
@@ -1156,121 +839,489 @@ void cso_restore_vertex_elements(struct cso_context *ctx)
    ctx->velements_saved = NULL;
 }
 
-/* fragment sampler view state */
+/* vertex buffers */
+
+void cso_set_vertex_buffers(struct cso_context *ctx,
+                            unsigned count,
+                            const struct pipe_vertex_buffer *buffers)
+{
+   if (count != ctx->nr_vertex_buffers ||
+       memcmp(buffers, ctx->vertex_buffers,
+              sizeof(struct pipe_vertex_buffer) * count) != 0) {
+      util_copy_vertex_buffers(ctx->vertex_buffers, &ctx->nr_vertex_buffers,
+                               buffers, count);
+      ctx->pipe->set_vertex_buffers(ctx->pipe, count, buffers);
+   }
+}
+
+void cso_save_vertex_buffers(struct cso_context *ctx)
+{
+   util_copy_vertex_buffers(ctx->vertex_buffers_saved,
+                            &ctx->nr_vertex_buffers_saved,
+                            ctx->vertex_buffers,
+                            ctx->nr_vertex_buffers);
+}
+
+void cso_restore_vertex_buffers(struct cso_context *ctx)
+{
+   unsigned i;
+
+   util_copy_vertex_buffers(ctx->vertex_buffers,
+                            &ctx->nr_vertex_buffers,
+                            ctx->vertex_buffers_saved,
+                            ctx->nr_vertex_buffers_saved);
+
+   for (i = 0; i < ctx->nr_vertex_buffers_saved; i++) {
+      pipe_resource_reference(&ctx->vertex_buffers_saved[i].buffer, NULL);
+   }
+   ctx->nr_vertex_buffers_saved = 0;
+
+   ctx->pipe->set_vertex_buffers(ctx->pipe, ctx->nr_vertex_buffers,
+                                 ctx->vertex_buffers);
+}
+
+
+/**************** fragment/vertex sampler view state *************************/
+
+static enum pipe_error
+single_sampler(struct cso_context *ctx,
+               struct sampler_info *info,
+               unsigned idx,
+               const struct pipe_sampler_state *templ)
+{
+   void *handle = NULL;
+
+   if (templ != NULL) {
+      unsigned key_size = sizeof(struct pipe_sampler_state);
+      unsigned hash_key = cso_construct_key((void*)templ, key_size);
+      struct cso_hash_iter iter =
+         cso_find_state_template(ctx->cache,
+                                 hash_key, CSO_SAMPLER,
+                                 (void *) templ, key_size);
+
+      if (cso_hash_iter_is_null(iter)) {
+         struct cso_sampler *cso = MALLOC(sizeof(struct cso_sampler));
+         if (!cso)
+            return PIPE_ERROR_OUT_OF_MEMORY;
+
+         memcpy(&cso->state, templ, sizeof(*templ));
+         cso->data = ctx->pipe->create_sampler_state(ctx->pipe, &cso->state);
+         cso->delete_state = (cso_state_callback)ctx->pipe->delete_sampler_state;
+         cso->context = ctx->pipe;
+
+         iter = cso_insert_state(ctx->cache, hash_key, CSO_SAMPLER, cso);
+         if (cso_hash_iter_is_null(iter)) {
+            FREE(cso);
+            return PIPE_ERROR_OUT_OF_MEMORY;
+         }
+
+         handle = cso->data;
+      }
+      else {
+         handle = ((struct cso_sampler *)cso_hash_iter_data(iter))->data;
+      }
+   }
+
+   info->samplers[idx] = handle;
+
+   return PIPE_OK;
+}
+
+enum pipe_error
+cso_single_sampler(struct cso_context *ctx,
+                   unsigned idx,
+                   const struct pipe_sampler_state *templ)
+{
+   return single_sampler(ctx, &ctx->fragment_samplers, idx, templ);
+}
+
+enum pipe_error
+cso_single_vertex_sampler(struct cso_context *ctx,
+                          unsigned idx,
+                          const struct pipe_sampler_state *templ)
+{
+   return single_sampler(ctx, &ctx->vertex_samplers, idx, templ);
+}
+
+
+
+static void
+single_sampler_done(struct cso_context *ctx,
+                    struct sampler_info *info)
+{
+   unsigned i;
+
+   /* find highest non-null sampler */
+   for (i = PIPE_MAX_SAMPLERS; i > 0; i--) {
+      if (info->samplers[i - 1] != NULL)
+         break;
+   }
+
+   info->nr_samplers = i;
+
+   if (info->hw.nr_samplers != info->nr_samplers ||
+       memcmp(info->hw.samplers,
+              info->samplers,
+              info->nr_samplers * sizeof(void *)) != 0) 
+   {
+      memcpy(info->hw.samplers,
+             info->samplers,
+             info->nr_samplers * sizeof(void *));
+      info->hw.nr_samplers = info->nr_samplers;
+
+      if (info == &ctx->fragment_samplers) {
+         ctx->pipe->bind_fragment_sampler_states(ctx->pipe,
+                                                 info->nr_samplers,
+                                                 info->samplers);
+      }
+      else if (info == &ctx->vertex_samplers) {
+         ctx->pipe->bind_vertex_sampler_states(ctx->pipe,
+                                               info->nr_samplers,
+                                               info->samplers);
+      }
+      else {
+         assert(0);
+      }
+   }
+}
+
+void
+cso_single_sampler_done( struct cso_context *ctx )
+{
+   single_sampler_done(ctx, &ctx->fragment_samplers);
+}
 
 void
-cso_set_fragment_sampler_views(struct cso_context *cso,
-                               uint count,
-                               struct pipe_sampler_view **views)
+cso_single_vertex_sampler_done(struct cso_context *ctx)
+{
+   single_sampler_done(ctx, &ctx->vertex_samplers);
+}
+
+
+/*
+ * If the function encouters any errors it will return the
+ * last one. Done to always try to set as many samplers
+ * as possible.
+ */
+static enum pipe_error
+set_samplers(struct cso_context *ctx,
+             struct sampler_info *info,
+             unsigned nr,
+             const struct pipe_sampler_state **templates)
+{
+   unsigned i;
+   enum pipe_error temp, error = PIPE_OK;
+
+   /* TODO: fastpath
+    */
+
+   for (i = 0; i < nr; i++) {
+      temp = single_sampler(ctx, info, i, templates[i]);
+      if (temp != PIPE_OK)
+         error = temp;
+   }
+
+   for ( ; i < info->nr_samplers; i++) {
+      temp = single_sampler(ctx, info, i, NULL);
+      if (temp != PIPE_OK)
+         error = temp;
+   }
+
+   single_sampler_done(ctx, info);
+
+   return error;
+}
+
+enum pipe_error
+cso_set_samplers(struct cso_context *ctx,
+                 unsigned nr,
+                 const struct pipe_sampler_state **templates)
+{
+   return set_samplers(ctx, &ctx->fragment_samplers, nr, templates);
+}
+
+enum pipe_error
+cso_set_vertex_samplers(struct cso_context *ctx,
+                        unsigned nr,
+                        const struct pipe_sampler_state **templates)
+{
+   return set_samplers(ctx, &ctx->vertex_samplers, nr, templates);
+}
+
+
+
+static void
+save_samplers(struct cso_context *ctx, struct sampler_info *info)
+{
+   info->nr_samplers_saved = info->nr_samplers;
+   memcpy(info->samplers_saved, info->samplers, sizeof(info->samplers));
+}
+
+void
+cso_save_samplers(struct cso_context *ctx)
+{
+   save_samplers(ctx, &ctx->fragment_samplers);
+}
+
+void
+cso_save_vertex_samplers(struct cso_context *ctx)
+{
+   save_samplers(ctx, &ctx->vertex_samplers);
+}
+
+
+
+static void
+restore_samplers(struct cso_context *ctx, struct sampler_info *info)
+{
+   info->nr_samplers = info->nr_samplers_saved;
+   memcpy(info->samplers, info->samplers_saved, sizeof(info->samplers));
+   single_sampler_done(ctx, info);
+}
+
+void
+cso_restore_samplers(struct cso_context *ctx)
+{
+   restore_samplers(ctx, &ctx->fragment_samplers);
+}
+
+void
+cso_restore_vertex_samplers(struct cso_context *ctx)
+{
+   restore_samplers(ctx, &ctx->vertex_samplers);
+}
+
+
+
+static void
+set_sampler_views(struct cso_context *ctx,
+                  struct sampler_info *info,
+                  void (*set_views)(struct pipe_context *,
+                                    unsigned num_views,
+                                    struct pipe_sampler_view **),
+                  uint count,
+                  struct pipe_sampler_view **views)
 {
    uint i;
 
+   /* reference new views */
    for (i = 0; i < count; i++) {
-      pipe_sampler_view_reference(&cso->fragment_sampler_views[i], views[i]);
+      pipe_sampler_view_reference(&info->views[i], views[i]);
    }
-   for (; i < cso->nr_fragment_sampler_views; i++) {
-      pipe_sampler_view_reference(&cso->fragment_sampler_views[i], NULL);
+   /* unref extra old views, if any */
+   for (; i < info->nr_views; i++) {
+      pipe_sampler_view_reference(&info->views[i], NULL);
    }
 
-   cso->pipe->set_fragment_sampler_views(cso->pipe,
-                                         MAX2(count, cso->nr_fragment_sampler_views),
-                                         cso->fragment_sampler_views);
+   info->nr_views = count;
 
-   cso->nr_fragment_sampler_views = count;
+   /* bind the new sampler views */
+   set_views(ctx->pipe, count, info->views);
 }
 
 void
-cso_save_fragment_sampler_views(struct cso_context *cso)
+cso_set_fragment_sampler_views(struct cso_context *ctx,
+                               uint count,
+                               struct pipe_sampler_view **views)
 {
-   uint i;
+   set_sampler_views(ctx, &ctx->fragment_samplers,
+                     ctx->pipe->set_fragment_sampler_views,
+                     count, views);
+}
+
+void
+cso_set_vertex_sampler_views(struct cso_context *ctx,
+                             uint count,
+                             struct pipe_sampler_view **views)
+{
+   set_sampler_views(ctx, &ctx->vertex_samplers,
+                     ctx->pipe->set_vertex_sampler_views,
+                     count, views);
+}
 
-   cso->nr_fragment_sampler_views_saved = cso->nr_fragment_sampler_views;
 
-   for (i = 0; i < cso->nr_fragment_sampler_views; i++) {
-      assert(!cso->fragment_sampler_views_saved[i]);
 
-      pipe_sampler_view_reference(&cso->fragment_sampler_views_saved[i],
-                                  cso->fragment_sampler_views[i]);
+static void
+save_sampler_views(struct cso_context *ctx,
+                   struct sampler_info *info)
+{
+   uint i;
+
+   info->nr_views_saved = info->nr_views;
+
+   for (i = 0; i < info->nr_views; i++) {
+      assert(!info->views_saved[i]);
+      pipe_sampler_view_reference(&info->views_saved[i], info->views[i]);
    }
 }
 
 void
-cso_restore_fragment_sampler_views(struct cso_context *cso)
+cso_save_fragment_sampler_views(struct cso_context *ctx)
+{
+   save_sampler_views(ctx, &ctx->fragment_samplers);
+}
+
+void
+cso_save_vertex_sampler_views(struct cso_context *ctx)
+{
+   save_sampler_views(ctx, &ctx->vertex_samplers);
+}
+
+
+static void
+restore_sampler_views(struct cso_context *ctx,
+                      struct sampler_info *info,
+                      void (*set_views)(struct pipe_context *,
+                                        unsigned num_views,
+                                        struct pipe_sampler_view **))
 {
    uint i;
 
-   for (i = 0; i < cso->nr_fragment_sampler_views_saved; i++) {
-      pipe_sampler_view_reference(&cso->fragment_sampler_views[i], cso->fragment_sampler_views_saved[i]);
-      pipe_sampler_view_reference(&cso->fragment_sampler_views_saved[i], NULL);
+   for (i = 0; i < info->nr_views_saved; i++) {
+      pipe_sampler_view_reference(&info->views[i], NULL);
+      /* move the reference from one pointer to another */
+      info->views[i] = info->views_saved[i];
+      info->views_saved[i] = NULL;
    }
-   for (; i < cso->nr_fragment_sampler_views; i++) {
-      pipe_sampler_view_reference(&cso->fragment_sampler_views[i], NULL);
+   for (; i < info->nr_views; i++) {
+      pipe_sampler_view_reference(&info->views[i], NULL);
    }
 
-   cso->pipe->set_fragment_sampler_views(cso->pipe,
-                                         MAX2(cso->nr_fragment_sampler_views, cso->nr_fragment_sampler_views_saved),
-                                         cso->fragment_sampler_views);
+   /* bind the old/saved sampler views */
+   set_views(ctx->pipe, info->nr_views_saved, info->views);
 
-   cso->nr_fragment_sampler_views = cso->nr_fragment_sampler_views_saved;
-   cso->nr_fragment_sampler_views_saved = 0;
+   info->nr_views = info->nr_views_saved;
+   info->nr_views_saved = 0;
 }
 
+void
+cso_restore_fragment_sampler_views(struct cso_context *ctx)
+{
+   restore_sampler_views(ctx, &ctx->fragment_samplers,
+                         ctx->pipe->set_fragment_sampler_views);
+}
+
+void
+cso_restore_vertex_sampler_views(struct cso_context *ctx)
+{
+   restore_sampler_views(ctx, &ctx->vertex_samplers,
+                         ctx->pipe->set_vertex_sampler_views);
+}
 
-/* vertex sampler view state */
 
 void
-cso_set_vertex_sampler_views(struct cso_context *cso,
-                             uint count,
-                             struct pipe_sampler_view **views)
+cso_set_stream_outputs(struct cso_context *ctx,
+                       unsigned num_targets,
+                       struct pipe_stream_output_target **targets,
+                       unsigned append_bitmask)
 {
+   struct pipe_context *pipe = ctx->pipe;
    uint i;
 
-   for (i = 0; i < count; i++) {
-      pipe_sampler_view_reference(&cso->vertex_sampler_views[i], views[i]);
+   if (!ctx->has_streamout) {
+      assert(num_targets == 0);
+      return;
    }
-   for (; i < cso->nr_vertex_sampler_views; i++) {
-      pipe_sampler_view_reference(&cso->vertex_sampler_views[i], NULL);
+
+   if (ctx->nr_so_targets == 0 && num_targets == 0) {
+      /* Nothing to do. */
+      return;
    }
 
-   cso->pipe->set_vertex_sampler_views(cso->pipe,
-                                       MAX2(count, cso->nr_vertex_sampler_views),
-                                       cso->vertex_sampler_views);
+   /* reference new targets */
+   for (i = 0; i < num_targets; i++) {
+      pipe_so_target_reference(&ctx->so_targets[i], targets[i]);
+   }
+   /* unref extra old targets, if any */
+   for (; i < ctx->nr_so_targets; i++) {
+      pipe_so_target_reference(&ctx->so_targets[i], NULL);
+   }
 
-   cso->nr_vertex_sampler_views = count;
+   pipe->set_stream_output_targets(pipe, num_targets, targets,
+                                   append_bitmask);
+   ctx->nr_so_targets = num_targets;
 }
 
 void
-cso_save_vertex_sampler_views(struct cso_context *cso)
+cso_save_stream_outputs(struct cso_context *ctx)
 {
    uint i;
 
-   cso->nr_vertex_sampler_views_saved = cso->nr_vertex_sampler_views;
+   if (!ctx->has_streamout) {
+      return;
+   }
 
-   for (i = 0; i < cso->nr_vertex_sampler_views; i++) {
-      assert(!cso->vertex_sampler_views_saved[i]);
+   ctx->nr_so_targets_saved = ctx->nr_so_targets;
 
-      pipe_sampler_view_reference(&cso->vertex_sampler_views_saved[i],
-                                  cso->vertex_sampler_views[i]);
+   for (i = 0; i < ctx->nr_so_targets; i++) {
+      assert(!ctx->so_targets_saved[i]);
+      pipe_so_target_reference(&ctx->so_targets_saved[i], ctx->so_targets[i]);
    }
 }
 
 void
-cso_restore_vertex_sampler_views(struct cso_context *cso)
+cso_restore_stream_outputs(struct cso_context *ctx)
 {
+   struct pipe_context *pipe = ctx->pipe;
    uint i;
 
-   for (i = 0; i < cso->nr_vertex_sampler_views_saved; i++) {
-      pipe_sampler_view_reference(&cso->vertex_sampler_views[i], cso->vertex_sampler_views_saved[i]);
-      pipe_sampler_view_reference(&cso->vertex_sampler_views_saved[i], NULL);
+   if (!ctx->has_streamout) {
+      return;
+   }
+
+   if (ctx->nr_so_targets == 0 && ctx->nr_so_targets_saved == 0) {
+      /* Nothing to do. */
+      return;
    }
-   for (; i < cso->nr_vertex_sampler_views; i++) {
-      pipe_sampler_view_reference(&cso->vertex_sampler_views[i], NULL);
+
+   for (i = 0; i < ctx->nr_so_targets_saved; i++) {
+      pipe_so_target_reference(&ctx->so_targets[i], NULL);
+      /* move the reference from one pointer to another */
+      ctx->so_targets[i] = ctx->so_targets_saved[i];
+      ctx->so_targets_saved[i] = NULL;
    }
+   for (; i < ctx->nr_so_targets; i++) {
+      pipe_so_target_reference(&ctx->so_targets[i], NULL);
+   }
+
+   /* ~0 means append */
+   pipe->set_stream_output_targets(pipe, ctx->nr_so_targets_saved,
+                                   ctx->so_targets, ~0);
+
+   ctx->nr_so_targets = ctx->nr_so_targets_saved;
+   ctx->nr_so_targets_saved = 0;
+}
+
+/* drawing */
+
+void
+cso_set_index_buffer(struct cso_context *cso,
+                     const struct pipe_index_buffer *ib)
+{
+   struct pipe_context *pipe = cso->pipe;
+   pipe->set_index_buffer(pipe, ib);
+}
+
+void
+cso_draw_vbo(struct cso_context *cso,
+             const struct pipe_draw_info *info)
+{
+   struct pipe_context *pipe = cso->pipe;
+   pipe->draw_vbo(pipe, info);
+}
+
+void
+cso_draw_arrays(struct cso_context *cso, uint mode, uint start, uint count)
+{
+   struct pipe_draw_info info;
+
+   util_draw_init_info(&info);
 
-   cso->pipe->set_vertex_sampler_views(cso->pipe,
-                                       MAX2(cso->nr_vertex_sampler_views, cso->nr_vertex_sampler_views_saved),
-                                       cso->vertex_sampler_views);
+   info.mode = mode;
+   info.start = start;
+   info.count = count;
+   info.min_index = start;
+   info.max_index = start + count - 1;
 
-   cso->nr_vertex_sampler_views = cso->nr_vertex_sampler_views_saved;
-   cso->nr_vertex_sampler_views_saved = 0;
+   cso_draw_vbo(cso, &info);
 }