gallium: WIP: Introduce sampler views.

10 files changed, 364 insertions, 79 deletions

diff --git a/src/gallium/auxiliary/Makefile b/src/gallium/auxiliary/Makefile
index ff7695150e..ec98635514 100644
--- a/src/gallium/auxiliary/Makefile
+++ b/src/gallium/auxiliary/Makefile
@@ -125,12 +125,13 @@ C_SOURCES = \
 	util/u_tile.c \
 	util/u_timed_winsys.c \
 	util/u_upload_mgr.c \
-	util/u_simple_screen.c \
-	vl/vl_bitstream_parser.c \
-	vl/vl_mpeg12_mc_renderer.c \
-	vl/vl_compositor.c \
-	vl/vl_csc.c \
-	vl/vl_shader_build.c
+	util/u_simple_screen.c
+	# Disabling until pipe-video branch gets merged in
+	#vl/vl_bitstream_parser.c \
+	#vl/vl_mpeg12_mc_renderer.c \
+	#vl/vl_compositor.c \
+	#vl/vl_csc.c \
+	#vl/vl_shader_build.c
 
 GALLIVM_SOURCES = \
         gallivm/lp_bld_alpha.c \
diff --git a/src/gallium/auxiliary/SConscript b/src/gallium/auxiliary/SConscript
index b531ad2dbd..acb03e6282 100644
--- a/src/gallium/auxiliary/SConscript
+++ b/src/gallium/auxiliary/SConscript
@@ -153,6 +153,7 @@ source = [
     'util/u_mm.c',
     'util/u_rect.c',
     'util/u_ringbuffer.c',
+    'util/u_sampler.c',
     'util/u_simple_shaders.c',
     'util/u_snprintf.c',
     'util/u_surface.c',
@@ -161,11 +162,12 @@ source = [
     'util/u_timed_winsys.c',
     'util/u_upload_mgr.c',
     'util/u_simple_screen.c',
-    'vl/vl_bitstream_parser.c',
-    'vl/vl_mpeg12_mc_renderer.c',
-    'vl/vl_compositor.c',
-    'vl/vl_csc.c',
-    'vl/vl_shader_build.c',
+    # Disabling until pipe-video branch gets merged in
+    #'vl/vl_bitstream_parser.c',
+    #'vl/vl_mpeg12_mc_renderer.c',
+    #'vl/vl_compositor.c',
+    #'vl/vl_csc.c',
+    #'vl/vl_shader_build.c',
 ]
 
 if drawllvm:
diff --git a/src/gallium/auxiliary/cso_cache/cso_context.c b/src/gallium/auxiliary/cso_cache/cso_context.c
index b5241fa64c..6ae765c899 100644
--- a/src/gallium/auxiliary/cso_cache/cso_context.c
+++ b/src/gallium/auxiliary/cso_cache/cso_context.c
@@ -38,6 +38,7 @@
 #include "pipe/p_state.h"
 #include "util/u_inlines.h"
 #include "util/u_memory.h"
+#include "util/u_sampler.h"
 #include "tgsi/tgsi_parse.h"
 
 #include "cso_cache/cso_context.h"
@@ -70,16 +71,20 @@ struct cso_context {
    void *vertex_samplers_saved[PIPE_MAX_VERTEX_SAMPLERS];
 
    struct pipe_texture *textures[PIPE_MAX_SAMPLERS];
+   struct pipe_sampler_view *sampler_views[PIPE_MAX_SAMPLERS];
    uint nr_textures;
 
    struct pipe_texture *vertex_textures[PIPE_MAX_VERTEX_SAMPLERS];
+   struct pipe_sampler_view *vertex_sampler_views[PIPE_MAX_VERTEX_SAMPLERS];
    uint nr_vertex_textures;
 
    uint nr_textures_saved;
    struct pipe_texture *textures_saved[PIPE_MAX_SAMPLERS];
+   struct pipe_sampler_view *sampler_views_saved[PIPE_MAX_SAMPLERS];
 
    uint nr_vertex_textures_saved;
-   struct pipe_texture *vertex_textures_saved[PIPE_MAX_SAMPLERS];
+   struct pipe_texture *vertex_textures_saved[PIPE_MAX_VERTEX_SAMPLERS];
+   struct pipe_sampler_view *vertex_sampler_views_saved[PIPE_MAX_VERTEX_SAMPLERS];
 
    /** Current and saved state.
     * The saved state is used as a 1-deep stack.
@@ -273,11 +278,15 @@ void cso_release_all( struct cso_context *ctx )
    for (i = 0; i < PIPE_MAX_SAMPLERS; i++) {
       pipe_texture_reference(&ctx->textures[i], NULL);
       pipe_texture_reference(&ctx->textures_saved[i], NULL);
+      pipe_sampler_view_reference(&ctx->sampler_views[i], NULL);
+      pipe_sampler_view_reference(&ctx->sampler_views_saved[i], NULL);
    }
 
    for (i = 0; i < PIPE_MAX_VERTEX_SAMPLERS; i++) {
       pipe_texture_reference(&ctx->vertex_textures[i], NULL);
       pipe_texture_reference(&ctx->vertex_textures_saved[i], NULL);
+      pipe_sampler_view_reference(&ctx->vertex_sampler_views[i], NULL);
+      pipe_sampler_view_reference(&ctx->vertex_sampler_views_saved[i], NULL);
    }
 
    free_framebuffer_state(&ctx->fb);
@@ -602,12 +611,27 @@ enum pipe_error cso_set_sampler_textures( struct cso_context *ctx,
 
    ctx->nr_textures = count;
 
-   for (i = 0; i < count; i++)
+   for (i = 0; i < count; i++) {
+      struct pipe_sampler_view templ, *view;
+
+      u_sampler_view_default_template(&templ,
+                                      textures[i],
+                                      textures[i]->format);
+      view = ctx->pipe->create_sampler_view(ctx->pipe,
+                                            textures[i],
+                                            &templ);
+
       pipe_texture_reference(&ctx->textures[i], textures[i]);
-   for ( ; i < PIPE_MAX_SAMPLERS; i++)
+      pipe_sampler_view_reference(&ctx->sampler_views[i], view);
+   }
+   for ( ; i < PIPE_MAX_SAMPLERS; i++) {
       pipe_texture_reference(&ctx->textures[i], NULL);
+      pipe_sampler_view_reference(&ctx->sampler_views[i], NULL);
+   }
 
-   ctx->pipe->set_fragment_sampler_textures(ctx->pipe, count, textures);
+   ctx->pipe->set_fragment_sampler_views(ctx->pipe,
+                                         count,
+                                         ctx->sampler_views);
 
    return PIPE_OK;
 }
@@ -619,7 +643,11 @@ void cso_save_sampler_textures( struct cso_context *ctx )
    ctx->nr_textures_saved = ctx->nr_textures;
    for (i = 0; i < ctx->nr_textures; i++) {
       assert(!ctx->textures_saved[i]);
+      assert(!ctx->sampler_views_saved[i]);
+
       pipe_texture_reference(&ctx->textures_saved[i], ctx->textures[i]);
+      pipe_sampler_view_reference(&ctx->sampler_views_saved[i],
+                                  ctx->sampler_views[i]);
    }
 }
 
@@ -633,11 +661,19 @@ void cso_restore_sampler_textures( struct cso_context *ctx )
       pipe_texture_reference(&ctx->textures[i], NULL);
       ctx->textures[i] = ctx->textures_saved[i];
       ctx->textures_saved[i] = NULL;
+
+      pipe_sampler_view_reference(&ctx->sampler_views[i], NULL);
+      ctx->sampler_views[i] = ctx->sampler_views_saved[i];
+      ctx->sampler_views_saved[i] = NULL;
    }
-   for ( ; i < PIPE_MAX_SAMPLERS; i++)
+   for ( ; i < PIPE_MAX_SAMPLERS; i++) {
       pipe_texture_reference(&ctx->textures[i], NULL);
+      pipe_sampler_view_reference(&ctx->sampler_views[i], NULL);
+   }
 
-   ctx->pipe->set_fragment_sampler_textures(ctx->pipe, ctx->nr_textures, ctx->textures);
+   ctx->pipe->set_fragment_sampler_views(ctx->pipe,
+                                         ctx->nr_textures,
+                                         ctx->sampler_views);
 
    ctx->nr_textures_saved = 0;
 }
@@ -654,13 +690,26 @@ cso_set_vertex_sampler_textures(struct cso_context *ctx,
    ctx->nr_vertex_textures = count;
 
    for (i = 0; i < count; i++) {
+      struct pipe_sampler_view templ, *view;
+
+      u_sampler_view_default_template(&templ,
+                                      textures[i],
+                                      textures[i]->format);
+      view = ctx->pipe->create_sampler_view(ctx->pipe,
+                                            textures[i],
+                                            &templ);
+
       pipe_texture_reference(&ctx->vertex_textures[i], textures[i]);
+      pipe_sampler_view_reference(&ctx->vertex_sampler_views[i], view);
    }
    for ( ; i < PIPE_MAX_VERTEX_SAMPLERS; i++) {
       pipe_texture_reference(&ctx->vertex_textures[i], NULL);
+      pipe_sampler_view_reference(&ctx->vertex_sampler_views[i], NULL);
    }
 
-   ctx->pipe->set_vertex_sampler_textures(ctx->pipe, count, textures);
+   ctx->pipe->set_vertex_sampler_views(ctx->pipe,
+                                       count,
+                                       ctx->vertex_sampler_views);
 
    return PIPE_OK;
 }
@@ -673,7 +722,11 @@ cso_save_vertex_sampler_textures(struct cso_context *ctx)
    ctx->nr_vertex_textures_saved = ctx->nr_vertex_textures;
    for (i = 0; i < ctx->nr_vertex_textures; i++) {
       assert(!ctx->vertex_textures_saved[i]);
+      assert(!ctx->vertex_sampler_views_saved[i]);
+
       pipe_texture_reference(&ctx->vertex_textures_saved[i], ctx->vertex_textures[i]);
+      pipe_sampler_view_reference(&ctx->vertex_sampler_views_saved[i],
+                                  ctx->vertex_sampler_views[i]);
    }
 }
 
@@ -688,14 +741,19 @@ cso_restore_vertex_sampler_textures(struct cso_context *ctx)
       pipe_texture_reference(&ctx->vertex_textures[i], NULL);
       ctx->vertex_textures[i] = ctx->vertex_textures_saved[i];
       ctx->vertex_textures_saved[i] = NULL;
+
+      pipe_sampler_view_reference(&ctx->vertex_sampler_views[i], NULL);
+      ctx->vertex_sampler_views[i] = ctx->vertex_sampler_views_saved[i];
+      ctx->vertex_sampler_views_saved[i] = NULL;
    }
    for ( ; i < PIPE_MAX_VERTEX_SAMPLERS; i++) {
       pipe_texture_reference(&ctx->vertex_textures[i], NULL);
+      pipe_sampler_view_reference(&ctx->vertex_sampler_views[i], NULL);
    }
 
-   ctx->pipe->set_vertex_sampler_textures(ctx->pipe,
-                                          ctx->nr_vertex_textures,
-                                          ctx->vertex_textures);
+   ctx->pipe->set_vertex_sampler_views(ctx->pipe,
+                                       ctx->nr_vertex_textures,
+                                       ctx->vertex_sampler_views);
 
    ctx->nr_vertex_textures_saved = 0;
 }
diff --git a/src/gallium/auxiliary/draw/draw_pipe_aaline.c b/src/gallium/auxiliary/draw/draw_pipe_aaline.c
index 8f6ca15dfa..70d7dbdfc7 100644
--- a/src/gallium/auxiliary/draw/draw_pipe_aaline.c
+++ b/src/gallium/auxiliary/draw/draw_pipe_aaline.c
@@ -40,6 +40,7 @@
 #include "util/u_format.h"
 #include "util/u_math.h"
 #include "util/u_memory.h"
+#include "util/u_sampler.h"
 
 #include "tgsi/tgsi_transform.h"
 #include "tgsi/tgsi_dump.h"
@@ -88,8 +89,9 @@ struct aaline_stage
 
    void *sampler_cso;
    struct pipe_texture *texture;
+   struct pipe_sampler_view *sampler_view;
    uint num_samplers;
-   uint num_textures;
+   uint num_sampler_views;
 
 
    /*
@@ -98,7 +100,7 @@ struct aaline_stage
    struct aaline_fragment_shader *fs;
    struct {
       void *sampler[PIPE_MAX_SAMPLERS];
-      struct pipe_texture *texture[PIPE_MAX_SAMPLERS];
+      struct pipe_sampler_view *sampler_views[PIPE_MAX_SAMPLERS];
    } state;
 
    /*
@@ -111,8 +113,9 @@ struct aaline_stage
 
    void (*driver_bind_sampler_states)(struct pipe_context *, unsigned,
                                       void **);
-   void (*driver_set_sampler_textures)(struct pipe_context *, unsigned,
-                                       struct pipe_texture **);
+   void (*driver_set_sampler_views)(struct pipe_context *,
+                                    unsigned,
+                                    struct pipe_sampler_view **);
 
    struct pipe_context *pipe;
 };
@@ -394,6 +397,7 @@ aaline_create_texture(struct aaline_stage *aaline)
    struct pipe_context *pipe = aaline->pipe;
    struct pipe_screen *screen = pipe->screen;
    struct pipe_texture texTemp;
+   struct pipe_sampler_view viewTempl;
    uint level;
 
    memset(&texTemp, 0, sizeof(texTemp));
@@ -408,6 +412,16 @@ aaline_create_texture(struct aaline_stage *aaline)
    if (!aaline->texture)
       return FALSE;
 
+   u_sampler_view_default_template(&viewTempl,
+                                   aaline->texture,
+                                   aaline->texture->format);
+   aaline->sampler_view = pipe->create_sampler_view(pipe,
+                                                    aaline->texture,
+                                                    &viewTempl);
+   if (!aaline->sampler_view) {
+      return FALSE;
+   }
+
    /* Fill in mipmap images.
     * Basically each level is solid opaque, except for the outermost
     * texels which are zero.  Special case the 1x1 and 2x2 levels.
@@ -669,16 +683,16 @@ aaline_first_line(struct draw_stage *stage, struct prim_header *header)
 
    /* how many samplers? */
    /* we'll use sampler/texture[pstip->sampler_unit] for the stipple */
-   num_samplers = MAX2(aaline->num_textures, aaline->num_samplers);
+   num_samplers = MAX2(aaline->num_sampler_views, aaline->num_samplers);
    num_samplers = MAX2(num_samplers, aaline->fs->sampler_unit + 1);
 
    aaline->state.sampler[aaline->fs->sampler_unit] = aaline->sampler_cso;
-   pipe_texture_reference(&aaline->state.texture[aaline->fs->sampler_unit],
-                          aaline->texture);
+   pipe_sampler_view_reference(&aaline->state.sampler_views[aaline->fs->sampler_unit],
+                               aaline->sampler_view);
 
    draw->suspend_flushing = TRUE;
    aaline->driver_bind_sampler_states(pipe, num_samplers, aaline->state.sampler);
-   aaline->driver_set_sampler_textures(pipe, num_samplers, aaline->state.texture);
+   aaline->driver_set_sampler_views(pipe, num_samplers, aaline->state.sampler_views);
    draw->suspend_flushing = FALSE;
 
    /* now really draw first line */
@@ -702,8 +716,9 @@ aaline_flush(struct draw_stage *stage, unsigned flags)
    aaline->driver_bind_fs_state(pipe, aaline->fs->driver_fs);
    aaline->driver_bind_sampler_states(pipe, aaline->num_samplers,
                                       aaline->state.sampler);
-   aaline->driver_set_sampler_textures(pipe, aaline->num_textures,
-                                       aaline->state.texture);
+   aaline->driver_set_sampler_views(pipe,
+                                    aaline->num_sampler_views,
+                                    aaline->state.sampler_views);
    draw->suspend_flushing = FALSE;
 
    draw->extra_shader_outputs.slot = 0;
@@ -724,7 +739,7 @@ aaline_destroy(struct draw_stage *stage)
    uint i;
 
    for (i = 0; i < PIPE_MAX_SAMPLERS; i++) {
-      pipe_texture_reference(&aaline->state.texture[i], NULL);
+      pipe_sampler_view_reference(&aaline->state.sampler_views[i], NULL);
    }
 
    if (aaline->sampler_cso)
@@ -733,6 +748,10 @@ aaline_destroy(struct draw_stage *stage)
    if (aaline->texture)
       pipe_texture_reference(&aaline->texture, NULL);
 
+   if (aaline->sampler_view) {
+      pipe_sampler_view_reference(&aaline->sampler_view, NULL);
+   }
+
    draw_free_temp_verts( stage );
 
    FREE( stage );
@@ -844,23 +863,24 @@ aaline_bind_sampler_states(struct pipe_context *pipe,
 
 
 static void
-aaline_set_sampler_textures(struct pipe_context *pipe,
-                            unsigned num, struct pipe_texture **texture)
+aaline_set_sampler_views(struct pipe_context *pipe,
+                         unsigned num,
+                         struct pipe_sampler_view **views)
 {
    struct aaline_stage *aaline = aaline_stage_from_pipe(pipe);
    uint i;
 
    /* save current */
    for (i = 0; i < num; i++) {
-      pipe_texture_reference(&aaline->state.texture[i], texture[i]);
+      pipe_sampler_view_reference(&aaline->state.sampler_views[i], views[i]);
    }
    for ( ; i < PIPE_MAX_SAMPLERS; i++) {
-      pipe_texture_reference(&aaline->state.texture[i], NULL);
+      pipe_sampler_view_reference(&aaline->state.sampler_views[i], NULL);
    }
-   aaline->num_textures = num;
+   aaline->num_sampler_views = num;
 
    /* pass-through */
-   aaline->driver_set_sampler_textures(aaline->pipe, num, texture);
+   aaline->driver_set_sampler_views(aaline->pipe, num, views);
 }
 
 
@@ -898,7 +918,7 @@ draw_install_aaline_stage(struct draw_context *draw, struct pipe_context *pipe)
    aaline->driver_delete_fs_state = pipe->delete_fs_state;
 
    aaline->driver_bind_sampler_states = pipe->bind_fragment_sampler_states;
-   aaline->driver_set_sampler_textures = pipe->set_fragment_sampler_textures;
+   aaline->driver_set_sampler_views = pipe->set_fragment_sampler_views;
 
    /* override the driver's functions */
    pipe->create_fs_state = aaline_create_fs_state;
@@ -906,7 +926,7 @@ draw_install_aaline_stage(struct draw_context *draw, struct pipe_context *pipe)
    pipe->delete_fs_state = aaline_delete_fs_state;
 
    pipe->bind_fragment_sampler_states = aaline_bind_sampler_states;
-   pipe->set_fragment_sampler_textures = aaline_set_sampler_textures;
+   pipe->set_fragment_sampler_views = aaline_set_sampler_views;
    
    /* Install once everything is known to be OK:
     */
diff --git a/src/gallium/auxiliary/draw/draw_pipe_pstipple.c b/src/gallium/auxiliary/draw/draw_pipe_pstipple.c
index d0d99aa331..e03081d65c 100644
--- a/src/gallium/auxiliary/draw/draw_pipe_pstipple.c
+++ b/src/gallium/auxiliary/draw/draw_pipe_pstipple.c
@@ -42,6 +42,7 @@
 #include "util/u_format.h"
 #include "util/u_math.h"
 #include "util/u_memory.h"
+#include "util/u_sampler.h"
 
 #include "tgsi/tgsi_transform.h"
 #include "tgsi/tgsi_dump.h"
@@ -75,8 +76,9 @@ struct pstip_stage
 
    void *sampler_cso;
    struct pipe_texture *texture;
+   struct pipe_sampler_view *sampler_view;
    uint num_samplers;
-   uint num_textures;
+   uint num_sampler_views;
 
    /*
     * Currently bound state
@@ -84,7 +86,7 @@ struct pstip_stage
    struct pstip_fragment_shader *fs;
    struct {
       void *samplers[PIPE_MAX_SAMPLERS];
-      struct pipe_texture *textures[PIPE_MAX_SAMPLERS];
+      struct pipe_sampler_view *sampler_views[PIPE_MAX_SAMPLERS];
       const struct pipe_poly_stipple *stipple;
    } state;
 
@@ -98,8 +100,9 @@ struct pstip_stage
 
    void (*driver_bind_sampler_states)(struct pipe_context *, unsigned, void **);
 
-   void (*driver_set_sampler_textures)(struct pipe_context *, unsigned,
-                                       struct pipe_texture **);
+   void (*driver_set_sampler_views)(struct pipe_context *,
+                                    unsigned,
+                                    struct pipe_sampler_view **);
 
    void (*driver_set_polygon_stipple)(struct pipe_context *,
                                       const struct pipe_poly_stipple *);
@@ -422,6 +425,7 @@ pstip_create_texture(struct pstip_stage *pstip)
    struct pipe_context *pipe = pstip->pipe;
    struct pipe_screen *screen = pipe->screen;
    struct pipe_texture texTemp;
+   struct pipe_sampler_view viewTempl;
 
    memset(&texTemp, 0, sizeof(texTemp));
    texTemp.target = PIPE_TEXTURE_2D;
@@ -435,6 +439,16 @@ pstip_create_texture(struct pstip_stage *pstip)
    if (pstip->texture == NULL)
       return FALSE;
 
+   u_sampler_view_default_template(&viewTempl,
+                                   pstip->texture,
+                                   pstip->texture->format);
+   pstip->sampler_view = pipe->create_sampler_view(pipe,
+                                                   pstip->texture,
+                                                   &viewTempl);
+   if (!pstip->sampler_view) {
+      return FALSE;
+   }
+
    return TRUE;
 }
 
@@ -513,19 +527,19 @@ pstip_first_tri(struct draw_stage *stage, struct prim_header *header)
 
    /* how many samplers? */
    /* we'll use sampler/texture[pstip->sampler_unit] for the stipple */
-   num_samplers = MAX2(pstip->num_textures, pstip->num_samplers);
+   num_samplers = MAX2(pstip->num_sampler_views, pstip->num_samplers);
    num_samplers = MAX2(num_samplers, pstip->fs->sampler_unit + 1);
 
    /* plug in our sampler, texture */
    pstip->state.samplers[pstip->fs->sampler_unit] = pstip->sampler_cso;
-   pipe_texture_reference(&pstip->state.textures[pstip->fs->sampler_unit],
-                          pstip->texture);
+   pipe_sampler_view_reference(&pstip->state.sampler_views[pstip->fs->sampler_unit],
+                               pstip->sampler_view);
 
    assert(num_samplers <= PIPE_MAX_SAMPLERS);
 
    draw->suspend_flushing = TRUE;
    pstip->driver_bind_sampler_states(pipe, num_samplers, pstip->state.samplers);
-   pstip->driver_set_sampler_textures(pipe, num_samplers, pstip->state.textures);
+   pstip->driver_set_sampler_views(pipe, num_samplers, pstip->state.sampler_views);
    draw->suspend_flushing = FALSE;
 
    /* now really draw first triangle */
@@ -549,8 +563,9 @@ pstip_flush(struct draw_stage *stage, unsigned flags)
    pstip->driver_bind_fs_state(pipe, pstip->fs->driver_fs);
    pstip->driver_bind_sampler_states(pipe, pstip->num_samplers,
                                      pstip->state.samplers);
-   pstip->driver_set_sampler_textures(pipe, pstip->num_textures,
-                                      pstip->state.textures);
+   pstip->driver_set_sampler_views(pipe,
+                                   pstip->num_sampler_views,
+                                   pstip->state.sampler_views);
    draw->suspend_flushing = FALSE;
 }
 
@@ -569,13 +584,17 @@ pstip_destroy(struct draw_stage *stage)
    uint i;
 
    for (i = 0; i < PIPE_MAX_SAMPLERS; i++) {
-      pipe_texture_reference(&pstip->state.textures[i], NULL);
+      pipe_sampler_view_reference(&pstip->state.sampler_views[i], NULL);
    }
 
    pstip->pipe->delete_sampler_state(pstip->pipe, pstip->sampler_cso);
 
    pipe_texture_reference(&pstip->texture, NULL);
 
+   if (pstip->sampler_view) {
+      pipe_sampler_view_reference(&pstip->sampler_view, NULL);
+   }
+
    draw_free_temp_verts( stage );
    FREE( stage );
 }
@@ -680,24 +699,25 @@ pstip_bind_sampler_states(struct pipe_context *pipe,
 
 
 static void
-pstip_set_sampler_textures(struct pipe_context *pipe,
-                           unsigned num, struct pipe_texture **texture)
+pstip_set_sampler_views(struct pipe_context *pipe,
+                        unsigned num,
+                        struct pipe_sampler_view **views)
 {
    struct pstip_stage *pstip = pstip_stage_from_pipe(pipe);
    uint i;
 
    /* save current */
    for (i = 0; i < num; i++) {
-      pipe_texture_reference(&pstip->state.textures[i], texture[i]);
+      pipe_sampler_view_reference(&pstip->state.sampler_views[i], views[i]);
    }
    for (; i < PIPE_MAX_SAMPLERS; i++) {
-      pipe_texture_reference(&pstip->state.textures[i], NULL);
+      pipe_sampler_view_reference(&pstip->state.sampler_views[i], NULL);
    }
 
-   pstip->num_textures = num;
+   pstip->num_sampler_views = num;
 
    /* pass-through */
-   pstip->driver_set_sampler_textures(pstip->pipe, num, texture);
+   pstip->driver_set_sampler_views(pstip->pipe, num, views);
 }
 
 
@@ -754,7 +774,7 @@ draw_install_pstipple_stage(struct draw_context *draw,
    pstip->driver_delete_fs_state = pipe->delete_fs_state;
 
    pstip->driver_bind_sampler_states = pipe->bind_fragment_sampler_states;
-   pstip->driver_set_sampler_textures = pipe->set_fragment_sampler_textures;
+   pstip->driver_set_sampler_views = pipe->set_fragment_sampler_views;
    pstip->driver_set_polygon_stipple = pipe->set_polygon_stipple;
 
    /* override the driver's functions */
@@ -763,7 +783,7 @@ draw_install_pstipple_stage(struct draw_context *draw,
    pipe->delete_fs_state = pstip_delete_fs_state;
 
    pipe->bind_fragment_sampler_states = pstip_bind_sampler_states;
-   pipe->set_fragment_sampler_textures = pstip_set_sampler_textures;
+   pipe->set_fragment_sampler_views = pstip_set_sampler_views;
    pipe->set_polygon_stipple = pstip_set_polygon_stipple;
 
    return TRUE;
diff --git a/src/gallium/auxiliary/util/u_blitter.c b/src/gallium/auxiliary/util/u_blitter.c
index 18f8606818..29060a1eff 100644
--- a/src/gallium/auxiliary/util/u_blitter.c
+++ b/src/gallium/auxiliary/util/u_blitter.c
@@ -45,6 +45,7 @@
 #include "util/u_draw_quad.h"
 #include "util/u_pack_color.h"
 #include "util/u_rect.h"
+#include "util/u_sampler.h"
 #include "util/u_simple_shaders.h"
 #include "util/u_texture.h"
 
@@ -93,6 +94,8 @@ struct blitter_context_priv
 
    /* Rasterizer state. */
    void *rs_state;
+
+   struct pipe_sampler_view *sampler_view;
 };
 
 struct blitter_context *util_blitter_create(struct pipe_context *pipe)
@@ -117,7 +120,7 @@ struct blitter_context *util_blitter_create(struct pipe_context *pipe)
    ctx->blitter.saved_fs = INVALID_PTR;
    ctx->blitter.saved_vs = INVALID_PTR;
    ctx->blitter.saved_fb_state.nr_cbufs = ~0;
-   ctx->blitter.saved_num_textures = ~0;
+   ctx->blitter.saved_num_sampler_views = ~0;
    ctx->blitter.saved_num_sampler_states = ~0;
 
    /* blend state objects */
@@ -230,6 +233,10 @@ void util_blitter_destroy(struct blitter_context *blitter)
       if (ctx->sampler_state[i])
          pipe->delete_sampler_state(pipe, ctx->sampler_state[i]);
 
+   if (ctx->sampler_view) {
+      pipe_sampler_view_reference(&ctx->sampler_view, NULL);
+   }
+
    pipe_buffer_reference(&ctx->vbuf, NULL);
    FREE(ctx);
 }
@@ -277,11 +284,11 @@ static void blitter_restore_CSOs(struct blitter_context_priv *ctx)
       ctx->blitter.saved_num_sampler_states = ~0;
    }
 
-   if (ctx->blitter.saved_num_textures != ~0) {
-      pipe->set_fragment_sampler_textures(pipe,
-                                          ctx->blitter.saved_num_textures,
-                                          ctx->blitter.saved_textures);
-      ctx->blitter.saved_num_textures = ~0;
+   if (ctx->blitter.saved_num_sampler_views != ~0) {
+      pipe->set_fragment_sampler_views(pipe,
+                                       ctx->blitter.saved_num_sampler_views,
+                                       ctx->blitter.saved_sampler_views);
+      ctx->blitter.saved_num_sampler_views = ~0;
    }
 }
 
@@ -577,9 +584,10 @@ static void util_blitter_do_copy(struct blitter_context *blitter,
    struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
    struct pipe_context *pipe = ctx->pipe;
    struct pipe_framebuffer_state fb_state;
+   struct pipe_sampler_view viewTempl, *view;
 
    assert(blitter->saved_fb_state.nr_cbufs != ~0);
-   assert(blitter->saved_num_textures != ~0);
+   assert(blitter->saved_num_sampler_views != ~0);
    assert(blitter->saved_num_sampler_states != ~0);
    assert(src->texture->target < PIPE_MAX_TEXTURE_TYPES);
 
@@ -607,11 +615,23 @@ static void util_blitter_do_copy(struct blitter_context *blitter,
       fb_state.zsbuf = 0;
    }
 
+   u_sampler_view_default_template(&viewTempl,
+                                   src->texture,
+                                   src->texture->format);
+   view = pipe->create_sampler_view(pipe,
+                                    src->texture,
+                                    &viewTempl);
+
+   if (ctx->sampler_view) {
+      pipe_sampler_view_reference(&ctx->sampler_view, NULL);
+   }
+   ctx->sampler_view = view;
+
    pipe->bind_rasterizer_state(pipe, ctx->rs_state);
    pipe->bind_vs_state(pipe, ctx->vs_tex);
    pipe->bind_fragment_sampler_states(pipe, 1,
       blitter_get_sampler_state(ctx, src->level));
-   pipe->set_fragment_sampler_textures(pipe, 1, &src->texture);
+   pipe->set_fragment_sampler_views(pipe, 1, &view);
    pipe->set_framebuffer_state(pipe, &fb_state);
 
    /* set texture coordinates */
diff --git a/src/gallium/auxiliary/util/u_blitter.h b/src/gallium/auxiliary/util/u_blitter.h
index a2f17073ac..9911948560 100644
--- a/src/gallium/auxiliary/util/u_blitter.h
+++ b/src/gallium/auxiliary/util/u_blitter.h
@@ -50,10 +50,10 @@ struct blitter_context
    struct pipe_stencil_ref saved_stencil_ref;     /**< stencil ref */
 
    int saved_num_sampler_states;
-   void *saved_sampler_states[32];
+   void *saved_sampler_states[PIPE_MAX_SAMPLERS];
 
-   int saved_num_textures;
-   struct pipe_texture *saved_textures[32]; /* is 32 enough? */
+   int saved_num_sampler_views;
+   struct pipe_sampler_view *saved_sampler_views[PIPE_MAX_SAMPLERS];
 };
 
 /**
@@ -218,17 +218,17 @@ void util_blitter_save_fragment_sampler_states(
           num_sampler_states * sizeof(void *));
 }
 
-static INLINE
-void util_blitter_save_fragment_sampler_textures(
-                  struct blitter_context *blitter,
-                  int num_textures,
-                  struct pipe_texture **textures)
+static INLINE void
+util_blitter_save_fragment_sampler_views(struct blitter_context *blitter,
+                                         int num_views,
+                                         struct pipe_sampler_view **views)
 {
-   assert(num_textures <= Elements(blitter->saved_textures));
+   assert(num_views <= Elements(blitter->saved_sampler_views));
 
-   blitter->saved_num_textures = num_textures;
-   memcpy(blitter->saved_textures, textures,
-          num_textures * sizeof(struct pipe_texture *));
+   blitter->saved_num_sampler_views = num_views;
+   memcpy(blitter->saved_sampler_views,
+          views,
+          num_views * sizeof(struct pipe_sampler_view *));
 }
 
 #ifdef __cplusplus
diff --git a/src/gallium/auxiliary/util/u_inlines.h b/src/gallium/auxiliary/util/u_inlines.h
index e95d58ea86..f8dfea4e51 100644
--- a/src/gallium/auxiliary/util/u_inlines.h
+++ b/src/gallium/auxiliary/util/u_inlines.h
@@ -117,6 +117,16 @@ pipe_texture_reference(struct pipe_texture **ptr, struct pipe_texture *tex)
    *ptr = tex;
 }
 
+static INLINE void
+pipe_sampler_view_reference(struct pipe_sampler_view **ptr, struct pipe_sampler_view *view)
+{
+   struct pipe_sampler_view *old_view = *ptr;
+
+   if (pipe_reference(&(*ptr)->reference, &view->reference))
+      old_view->context->sampler_view_destroy(old_view->context, old_view);
+   *ptr = view;
+}
+
 
 /*
  * Convenience wrappers for screen buffer functions.
diff --git a/src/gallium/auxiliary/util/u_sampler.c b/src/gallium/auxiliary/util/u_sampler.c
new file mode 100644
index 0000000000..3e45a2fa70
--- /dev/null
+++ b/src/gallium/auxiliary/util/u_sampler.c
@@ -0,0 +1,97 @@
+/**************************************************************************
+ *
+ * Copyright 2010 VMware, Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+
+#include "u_format.h"
+#include "u_sampler.h"
+
+
+static void
+default_template(struct pipe_sampler_view *view,
+                 const struct pipe_texture *texture,
+                 enum pipe_format format,
+                 unsigned expand_green_blue)
+{
+   /* XXX: Check if format is compatible with texture->format.
+    */
+
+   view->format = format;
+   view->first_level = 0;
+   view->num_levels = texture->last_level + 1;
+   view->swizzle_r = PIPE_SWIZZLE_RED;
+   view->swizzle_g = PIPE_SWIZZLE_GREEN;
+   view->swizzle_b = PIPE_SWIZZLE_BLUE;
+   view->swizzle_a = PIPE_SWIZZLE_ALPHA;
+
+   /* Override default green and blue component expansion to the requested one.
+    *
+    * Gallium expands nonexistent components to (0,0,0,1), DX9 expands to (1,1,1,1).
+    * Since alpha is always expanded to 1, and red is always present, we only really
+    * care about green and blue components.
+    *
+    * To make it look less hackish, one would have to add UTIL_FORMAT_SWIZZLE_EXPAND
+    * to indicate components for expansion and then override without exceptions or
+    * favoring one component over another.
+    */
+   if (format != PIPE_FORMAT_A8_UNORM) {
+      const struct util_format_description *desc = util_format_description(format);
+
+      assert(desc);
+      if (desc) {
+         if (desc->swizzle[1] == UTIL_FORMAT_SWIZZLE_0) {
+            view->swizzle_g = expand_green_blue;
+         }
+         if (desc->swizzle[2] == UTIL_FORMAT_SWIZZLE_0) {
+            view->swizzle_b = expand_green_blue;
+         }
+      }
+   }
+}
+
+void
+u_sampler_view_default_template(struct pipe_sampler_view *view,
+                                const struct pipe_texture *texture,
+                                enum pipe_format format)
+{
+   /* Expand to (0, 0, 0, 1) */
+   default_template(view,
+                    texture,
+                    format,
+                    PIPE_SWIZZLE_ZERO);
+}
+
+void
+u_sampler_view_default_dx9_template(struct pipe_sampler_view *view,
+                                    const struct pipe_texture *texture,
+                                    enum pipe_format format)
+{
+   /* Expand to (1, 1, 1, 1) */
+   default_template(view,
+                    texture,
+                    format,
+                    PIPE_SWIZZLE_ONE);
+}
diff --git a/src/gallium/auxiliary/util/u_sampler.h b/src/gallium/auxiliary/util/u_sampler.h
new file mode 100644
index 0000000000..bdd061c851
--- /dev/null
+++ b/src/gallium/auxiliary/util/u_sampler.h
@@ -0,0 +1,57 @@
+/**************************************************************************
+ *
+ * Copyright 2010 VMware, Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+
+#ifndef U_SAMPLER_H
+#define U_SAMPLER_H
+
+
+#include "pipe/p_defines.h"
+#include "pipe/p_format.h"
+#include "pipe/p_state.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+void
+u_sampler_view_default_template(struct pipe_sampler_view *view,
+                                const struct pipe_texture *texture,
+                                enum pipe_format format);
+
+void
+u_sampler_view_default_dx9_template(struct pipe_sampler_view *view,
+                                    const struct pipe_texture *texture,
+                                    enum pipe_format format);
+
+
+#ifdef __cplusplus
+} /* extern "C" { */
+#endif
+
+#endif /* U_SAMPLER_H */