Merge remote branch 'origin/master' into gallium_draw_llvm

18 files changed, 680 insertions, 150 deletions

diff --git a/src/gallium/state_trackers/vega/Makefile b/src/gallium/state_trackers/vega/Makefile
index 7f04b2aa832..7c315de8271 100644
--- a/src/gallium/state_trackers/vega/Makefile
+++ b/src/gallium/state_trackers/vega/Makefile
@@ -25,6 +25,7 @@ VG_SOURCES = \
            api_transform.c \
            vgu.c        \
            vg_context.c \
+           vg_manager.c \
            vg_state.c   \
            vg_tracker.c \
            vg_translate.c \
diff --git a/src/gallium/state_trackers/vega/api_context.c b/src/gallium/state_trackers/vega/api_context.c
index 47db102dd2d..eb2fbe26e7f 100644
--- a/src/gallium/state_trackers/vega/api_context.c
+++ b/src/gallium/state_trackers/vega/api_context.c
@@ -26,6 +26,7 @@
 
 #include "VG/openvg.h"
 
+#include "vg_manager.h"
 #include "vg_context.h"
 
 #include "pipe/p_context.h"
@@ -55,6 +56,8 @@ void vgFlush(void)
 
    pipe = ctx->pipe;
    pipe->flush(pipe, PIPE_FLUSH_RENDER_CACHE, NULL);
+
+   vg_manager_flush_frontbuffer(ctx);
 }
 
 void vgFinish(void)
diff --git a/src/gallium/state_trackers/vega/api_filters.c b/src/gallium/state_trackers/vega/api_filters.c
index 18e2cc1f250..a643f38624f 100644
--- a/src/gallium/state_trackers/vega/api_filters.c
+++ b/src/gallium/state_trackers/vega/api_filters.c
@@ -40,6 +40,7 @@
 
 #include "util/u_format.h"
 #include "util/u_memory.h"
+#include "util/u_sampler.h"
 
 
 #include "asm_filters.h"
@@ -53,7 +54,7 @@ struct filter_info {
    const void *const_buffer;
    VGint const_buffer_len;
    VGTilingMode tiling_mode;
-   struct pipe_texture *extra_texture;
+   struct pipe_sampler_view *extra_texture_view;
 };
 
 static INLINE struct pipe_texture *create_texture_1d(struct vg_context *ctx,
@@ -91,13 +92,35 @@ static INLINE struct pipe_texture *create_texture_1d(struct vg_context *ctx,
    return tex;
 }
 
+static INLINE struct pipe_sampler_view *create_texture_1d_view(struct vg_context *ctx,
+                                                               const VGuint *color_data,
+                                                               const VGint color_data_len)
+{
+   struct pipe_context *pipe = ctx->pipe;
+   struct pipe_texture *texture;
+   struct pipe_sampler_view view_templ;
+   struct pipe_sampler_view *view;
+
+   texture = create_texture_1d(ctx, color_data, color_data_len);
+
+   if (!texture)
+      return NULL;
+
+   u_sampler_view_default_template(&view_templ, texture, texture->format);
+   view = pipe->create_sampler_view(pipe, texture, &view_templ);
+   /* want the texture to go away if the view is freed */
+   pipe_texture_reference(&texture, NULL);
+
+   return view;
+}
+
 static INLINE struct pipe_surface * setup_framebuffer(struct vg_image *dst)
 {
    struct vg_context *ctx = vg_current_context();
    struct pipe_context *pipe = ctx->pipe;
    struct pipe_framebuffer_state fb;
    struct pipe_surface *dst_surf = pipe->screen->get_tex_surface(
-      pipe->screen, dst->texture, 0, 0, 0,
+      pipe->screen, dst->sampler_view->texture, 0, 0, 0,
       PIPE_BUFFER_USAGE_GPU_WRITE);
 
    /* drawing dest */
@@ -168,7 +191,7 @@ static void setup_constant_buffer(struct vg_context *ctx, const void *buffer,
 static void setup_samplers(struct vg_context *ctx, struct filter_info *info)
 {
    struct pipe_sampler_state *samplers[PIPE_MAX_SAMPLERS];
-   struct pipe_texture *textures[PIPE_MAX_SAMPLERS];
+   struct pipe_sampler_view *sampler_views[PIPE_MAX_SAMPLERS];
    struct pipe_sampler_state sampler[3];
    int num_samplers = 0;
    int num_textures = 0;
@@ -177,10 +200,10 @@ static void setup_samplers(struct vg_context *ctx, struct filter_info *info)
    samplers[1] = NULL;
    samplers[2] = NULL;
    samplers[3] = NULL;
-   textures[0] = NULL;
-   textures[1] = NULL;
-   textures[2] = NULL;
-   textures[3] = NULL;
+   sampler_views[0] = NULL;
+   sampler_views[1] = NULL;
+   sampler_views[2] = NULL;
+   sampler_views[3] = NULL;
 
    memset(&sampler[0], 0, sizeof(struct pipe_sampler_state));
    sampler[0].wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
@@ -215,21 +238,21 @@ static void setup_samplers(struct vg_context *ctx, struct filter_info *info)
    }
 
    samplers[0] = &sampler[0];
-   textures[0] = info->src->texture;
+   sampler_views[0] = info->src->sampler_view;
    ++num_samplers;
    ++num_textures;
 
-   if (info->extra_texture) {
+   if (info->extra_texture_view) {
       memcpy(&sampler[1], &sampler[0], sizeof(struct pipe_sampler_state));
       samplers[1] = &sampler[1];
-      textures[1] = info->extra_texture;
+      sampler_views[1] = info->extra_texture_view;
       ++num_samplers;
       ++num_textures;
    }
 
 
    cso_set_samplers(ctx->cso_context, num_samplers, (const struct pipe_sampler_state **)samplers);
-   cso_set_sampler_textures(ctx->cso_context, num_textures, textures);
+   cso_set_fragment_sampler_views(ctx->cso_context, num_textures, sampler_views);
 }
 
 static struct vg_shader * setup_color_matrix(struct vg_context *ctx, void *user_data)
@@ -308,7 +331,7 @@ static void execute_filter(struct vg_context *ctx,
    cso_save_viewport(ctx->cso_context);
    cso_save_blend(ctx->cso_context);
    cso_save_samplers(ctx->cso_context);
-   cso_save_sampler_textures(ctx->cso_context);
+   cso_save_fragment_sampler_views(ctx->cso_context);
 
    dst_surf = setup_framebuffer(info->dst);
    setup_viewport(info->dst);
@@ -318,7 +341,7 @@ static void execute_filter(struct vg_context *ctx,
    setup_samplers(ctx, info);
 
    renderer_draw_texture(ctx->renderer,
-                         info->src->texture,
+                         info->src->sampler_view->texture,
                          info->dst->x, info->dst->y,
                          info->dst->x + info->dst->width,
                          info->dst->y + info->dst->height,
@@ -331,7 +354,7 @@ static void execute_filter(struct vg_context *ctx,
    cso_restore_viewport(ctx->cso_context);
    cso_restore_blend(ctx->cso_context);
    cso_restore_samplers(ctx->cso_context);
-   cso_restore_sampler_textures(ctx->cso_context);
+   cso_restore_fragment_sampler_views(ctx->cso_context);
 
    vg_shader_destroy(ctx, shader);
 
@@ -369,7 +392,7 @@ void vgColorMatrix(VGImage dst, VGImage src,
    info.const_buffer = matrix;
    info.const_buffer_len = 20 * sizeof(VGfloat);
    info.tiling_mode = VG_TILE_PAD;
-   info.extra_texture = 0;
+   info.extra_texture_view = NULL;
    execute_filter(ctx, &info);
 }
 
@@ -479,7 +502,7 @@ void vgConvolve(VGImage dst, VGImage src,
    info.const_buffer = buffer;
    info.const_buffer_len = buffer_len * sizeof(VGfloat);
    info.tiling_mode = tilingMode;
-   info.extra_texture = 0;
+   info.extra_texture_view = NULL;
    execute_filter(ctx, &info);
 
    free(buffer);
@@ -669,7 +692,7 @@ void vgGaussianBlur(VGImage dst, VGImage src,
    info.const_buffer = buffer;
    info.const_buffer_len = buffer_len * sizeof(VGfloat);
    info.tiling_mode = tilingMode;
-   info.extra_texture = 0;
+   info.extra_texture_view = NULL;
    execute_filter(ctx, &info);
 
    free(buffer);
@@ -688,7 +711,7 @@ void vgLookup(VGImage dst, VGImage src,
    struct vg_image *d, *s;
    VGuint color_data[256];
    VGint i;
-   struct pipe_texture *lut_texture;
+   struct pipe_sampler_view *lut_texture_view;
    VGfloat buffer[4];
    struct filter_info info;
 
@@ -714,7 +737,7 @@ void vgLookup(VGImage dst, VGImage src,
       color_data[i] = blueLUT[i] << 24 | greenLUT[i] << 16 |
                       redLUT[i]  <<  8 | alphaLUT[i];
    }
-   lut_texture = create_texture_1d(ctx, color_data, 255);
+   lut_texture_view = create_texture_1d_view(ctx, color_data, 255);
 
    buffer[0] = 0.f;
    buffer[1] = 0.f;
@@ -728,11 +751,11 @@ void vgLookup(VGImage dst, VGImage src,
    info.const_buffer = buffer;
    info.const_buffer_len = 4 * sizeof(VGfloat);
    info.tiling_mode = VG_TILE_PAD;
-   info.extra_texture = lut_texture;
+   info.extra_texture_view = lut_texture_view;
 
    execute_filter(ctx, &info);
 
-   pipe_texture_reference(&lut_texture, NULL);
+   pipe_sampler_view_reference(&lut_texture_view, NULL);
 }
 
 void vgLookupSingle(VGImage dst, VGImage src,
@@ -743,7 +766,7 @@ void vgLookupSingle(VGImage dst, VGImage src,
 {
    struct vg_context *ctx = vg_current_context();
    struct vg_image *d, *s;
-   struct pipe_texture *lut_texture;
+   struct pipe_sampler_view *lut_texture_view;
    VGfloat buffer[4];
    struct filter_info info;
    VGuint color_data[256];
@@ -783,7 +806,7 @@ void vgLookupSingle(VGImage dst, VGImage src,
       color_data[i] = blue << 24 | green << 16 |
                       red  <<  8 | alpha;
    }
-   lut_texture = create_texture_1d(ctx, color_data, 256);
+   lut_texture_view = create_texture_1d_view(ctx, color_data, 256);
 
    buffer[0] = 0.f;
    buffer[1] = 0.f;
@@ -797,9 +820,9 @@ void vgLookupSingle(VGImage dst, VGImage src,
    info.const_buffer = buffer;
    info.const_buffer_len = 4 * sizeof(VGfloat);
    info.tiling_mode = VG_TILE_PAD;
-   info.extra_texture = lut_texture;
+   info.extra_texture_view = lut_texture_view;
 
    execute_filter(ctx, &info);
 
-   pipe_texture_reference(&lut_texture, NULL);
+   pipe_sampler_view_reference(&lut_texture_view, NULL);
 }
diff --git a/src/gallium/state_trackers/vega/api_masks.c b/src/gallium/state_trackers/vega/api_masks.c
index 7eb5ea1f078..2f2d925252d 100644
--- a/src/gallium/state_trackers/vega/api_masks.c
+++ b/src/gallium/state_trackers/vega/api_masks.c
@@ -117,10 +117,6 @@ clear_with_quad(struct vg_context *st, float x0, float y0,
      x1, y1);
    */
 
-   if (st->pipe->screen && st->pipe->screen->update_buffer)
-      st->pipe->screen->update_buffer( st->pipe->screen,
-                                       st->pipe->priv );
-
    cso_save_blend(st->cso_context);
    cso_save_rasterizer(st->cso_context);
    cso_save_fragment_shader(st->cso_context);
diff --git a/src/gallium/state_trackers/vega/image.c b/src/gallium/state_trackers/vega/image.c
index a71579cd264..c3268a84a60 100644
--- a/src/gallium/state_trackers/vega/image.c
+++ b/src/gallium/state_trackers/vega/image.c
@@ -43,6 +43,7 @@
 #include "util/u_tile.h"
 #include "util/u_memory.h"
 #include "util/u_math.h"
+#include "util/u_sampler.h"
 
 static enum pipe_format vg_format_to_pipe(VGImageFormat format)
 {
@@ -81,7 +82,7 @@ static INLINE void vg_sync_size(VGfloat *src_loc, VGfloat *dst_loc)
 
 static void vg_copy_texture(struct vg_context *ctx,
                             struct pipe_texture *dst, VGint dx, VGint dy,
-                            struct pipe_texture *src, VGint sx, VGint sy,
+                            struct pipe_sampler_view *src, VGint sx, VGint sy,
                             VGint width, VGint height)
 {
    VGfloat dst_loc[4], src_loc[4];
@@ -103,8 +104,8 @@ static void vg_copy_texture(struct vg_context *ctx,
    src_loc[3] = height;
    src_bounds[0] = 0.f;
    src_bounds[1] = 0.f;
-   src_bounds[2] = src->width0;
-   src_bounds[3] = src->height0;
+   src_bounds[2] = src->texture->width0;
+   src_bounds[3] = src->texture->height0;
 
    vg_bound_rect(src_loc, src_bounds, src_shift);
    vg_bound_rect(dst_loc, dst_bounds, dst_shift);
@@ -218,7 +219,7 @@ void vg_copy_surface(struct vg_context *ctx,
 
 static struct pipe_texture *image_texture(struct vg_image *img)
 {
-   struct pipe_texture *tex = img->texture;
+   struct pipe_texture *tex = img->sampler_view->texture;
    return tex;
 }
 
@@ -247,9 +248,12 @@ struct vg_image * image_create(VGImageFormat format,
                                VGint width, VGint height)
 {
    struct vg_context *ctx = vg_current_context();
+   struct pipe_context *pipe = ctx->pipe;
    struct vg_image *image = CALLOC_STRUCT(vg_image);
    enum pipe_format pformat = vg_format_to_pipe(format);
    struct pipe_texture pt, *newtex;
+   struct pipe_sampler_view view_templ;
+   struct pipe_sampler_view *view;
    struct pipe_screen *screen = ctx->pipe->screen;
 
    vg_init_object(&image->base, ctx, VG_OBJECT_IMAGE);
@@ -281,7 +285,12 @@ struct vg_image * image_create(VGImageFormat format,
 
    debug_assert(newtex);
 
-   image->texture = newtex;
+   u_sampler_view_default_template(&view_templ, newtex, newtex->format);
+   view = pipe->create_sampler_view(pipe, newtex, &view_templ);
+   /* want the texture to go away if the view is freed */
+   pipe_texture_reference(&newtex, NULL);
+
+   image->sampler_view = view;
 
    vg_context_add_object(ctx, VG_OBJECT_IMAGE, image);
 
@@ -345,7 +354,7 @@ void image_destroy(struct vg_image *img)
       array_destroy(img->children_array);
    }
 
-   pipe_texture_reference(&img->texture, NULL);
+   pipe_sampler_view_reference(&img->sampler_view, NULL);
    free(img);
 }
 
@@ -444,7 +453,7 @@ void image_get_sub_data(struct vg_image * image,
    {
       struct pipe_transfer *transfer =
          pipe->get_tex_transfer(pipe,
-                                  image->texture,  0, 0, 0,
+                                  image->sampler_view->texture,  0, 0, 0,
                                   PIPE_TRANSFER_READ,
                                   0, 0,
                                   image->x + image->width,
@@ -478,9 +487,9 @@ struct vg_image * image_child_image(struct vg_image *parent,
    image->width = width;
    image->height = height;
    image->parent = parent;
-   image->texture = 0;
-   pipe_texture_reference(&image->texture,
-                          parent->texture);
+   image->sampler_view = NULL;
+   pipe_sampler_view_reference(&image->sampler_view,
+                               parent->sampler_view);
 
    image->sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
    image->sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
@@ -514,8 +523,8 @@ void image_copy(struct vg_image *dst, VGint dx, VGint dy,
    }
    /* make sure rendering has completed */
    ctx->pipe->flush(ctx->pipe, PIPE_FLUSH_RENDER_CACHE, NULL);
-   vg_copy_texture(ctx, dst->texture, dst->x + dx, dst->y + dy,
-                   src->texture, src->x + sx, src->y + sy, width, height);
+   vg_copy_texture(ctx, dst->sampler_view->texture, dst->x + dx, dst->y + dy,
+                   src->sampler_view, src->x + sx, src->y + sy, width, height);
 }
 
 void image_draw(struct vg_image *img)
@@ -624,12 +633,12 @@ VGboolean vg_image_overlaps(struct vg_image *dst,
 }
 
 VGint image_bind_samplers(struct vg_image *img, struct pipe_sampler_state **samplers,
-                          struct pipe_texture **textures)
+                          struct pipe_sampler_view **sampler_views)
 {
    img->sampler.min_img_filter = image_sampler_filter(img->base.ctx);
    img->sampler.mag_img_filter = image_sampler_filter(img->base.ctx);
    samplers[3] = &img->sampler;
-   textures[3] = img->texture;
+   sampler_views[3] = img->sampler_view;
    return 1;
 }
 
diff --git a/src/gallium/state_trackers/vega/image.h b/src/gallium/state_trackers/vega/image.h
index 78e17cffa64..805b35fab9f 100644
--- a/src/gallium/state_trackers/vega/image.h
+++ b/src/gallium/state_trackers/vega/image.h
@@ -43,7 +43,7 @@ struct vg_image {
 
    struct vg_image *parent;
 
-   struct pipe_texture *texture;
+   struct pipe_sampler_view *sampler_view;
    struct pipe_sampler_state sampler;
 
    struct array *children_array;
@@ -89,7 +89,7 @@ void image_get_pixels(struct vg_image *dst, VGint dx, VGint dy,
                       VGint width, VGint height);
 
 VGint image_bind_samplers(struct vg_image *dst, struct pipe_sampler_state **samplers,
-                          struct pipe_texture **textures);
+                          struct pipe_sampler_view **sampler_views);
 
 VGboolean vg_image_overlaps(struct vg_image *dst,
                             struct vg_image *src);
diff --git a/src/gallium/state_trackers/vega/mask.c b/src/gallium/state_trackers/vega/mask.c
index 839dc19a3b8..316ea7a9c95 100644
--- a/src/gallium/state_trackers/vega/mask.c
+++ b/src/gallium/state_trackers/vega/mask.c
@@ -45,7 +45,7 @@ struct vg_mask_layer {
    VGint width;
    VGint height;
 
-   struct pipe_texture *texture;
+   struct pipe_sampler_view *sampler_view;
 };
 
 static INLINE struct pipe_surface *
@@ -54,7 +54,7 @@ alpha_mask_surface(struct vg_context *ctx, int usage)
    struct pipe_screen *screen = ctx->pipe->screen;
    struct st_framebuffer *stfb = ctx->draw_buffer;
    return screen->get_tex_surface(screen,
-                                  stfb->alpha_mask,
+                                  stfb->alpha_mask_view->texture,
                                   0, 0, 0,
                                   usage);
 }
@@ -284,35 +284,33 @@ static void setup_mask_operation(VGMaskOperation operation)
    cso_set_fragment_shader_handle(ctx->cso_context, shader);
 }
 
-static void setup_mask_samplers(struct pipe_texture *umask)
+static void setup_mask_samplers(struct pipe_sampler_view *umask)
 {
    struct vg_context *ctx = vg_current_context();
    struct pipe_sampler_state *samplers[PIPE_MAX_SAMPLERS];
-   struct pipe_texture *textures[PIPE_MAX_SAMPLERS];
+   struct pipe_sampler_view *sampler_views[PIPE_MAX_SAMPLERS];
    struct st_framebuffer *fb_buffers = ctx->draw_buffer;
-   struct pipe_texture *uprev = NULL;
+   struct pipe_sampler_view *uprev = NULL;
    struct pipe_sampler_state sampler;
 
-   uprev = fb_buffers->blend_texture;
+   uprev = fb_buffers->blend_texture_view;
    sampler = ctx->mask.sampler;
    sampler.normalized_coords = 1;
 
    samplers[0] = NULL;
    samplers[1] = NULL;
-   samplers[2] = NULL;
-   textures[0] = NULL;
-   textures[1] = NULL;
-   textures[2] = NULL;
+   sampler_views[0] = NULL;
+   sampler_views[1] = NULL;
 
    samplers[0] = &sampler;
    samplers[1] = &ctx->mask.sampler;
 
-   textures[0] = umask;
-   textures[1] = uprev;
+   sampler_views[0] = umask;
+   sampler_views[1] = uprev;
 
    cso_set_samplers(ctx->cso_context, 2,
                     (const struct pipe_sampler_state **)samplers);
-   cso_set_sampler_textures(ctx->cso_context, 2, textures);
+   cso_set_fragment_sampler_views(ctx->cso_context, 2, sampler_views);
 }
 
 
@@ -411,12 +409,13 @@ static void surface_fill(struct pipe_surface *surf,
 }
 
 
-static void mask_using_texture(struct pipe_texture *texture,
+static void mask_using_texture(struct pipe_sampler_view *sampler_view,
                                VGMaskOperation operation,
                                VGint x, VGint y,
                                VGint width, VGint height)
 {
    struct vg_context *ctx = vg_current_context();
+   struct pipe_texture *texture = sampler_view->texture;
    struct pipe_surface *surface =
       alpha_mask_surface(ctx, PIPE_BUFFER_USAGE_GPU_WRITE);
    VGint offsets[4], loc[4];
@@ -439,13 +438,13 @@ static void mask_using_texture(struct pipe_texture *texture,
    vg_prepare_blend_surface_from_mask(ctx);
 
    cso_save_samplers(ctx->cso_context);
-   cso_save_sampler_textures(ctx->cso_context);
+   cso_save_fragment_sampler_views(ctx->cso_context);
    cso_save_framebuffer(ctx->cso_context);
    cso_save_blend(ctx->cso_context);
    cso_save_fragment_shader(ctx->cso_context);
    cso_save_viewport(ctx->cso_context);
 
-   setup_mask_samplers(texture);
+   setup_mask_samplers(sampler_view);
    setup_mask_blend();
    setup_mask_operation(operation);
    setup_mask_framebuffer(surface, surface->width, surface->height);
@@ -463,7 +462,7 @@ static void mask_using_texture(struct pipe_texture *texture,
    cso_restore_framebuffer(ctx->cso_context);
    cso_restore_fragment_shader(ctx->cso_context);
    cso_restore_samplers(ctx->cso_context);
-   cso_restore_sampler_textures(ctx->cso_context);
+   cso_restore_fragment_sampler_views(ctx->cso_context);
    cso_restore_viewport(ctx->cso_context);
 
    pipe_surface_reference(&surface, NULL);
@@ -484,7 +483,11 @@ struct vg_mask_layer * mask_layer_create(VGint width, VGint height)
 
    {
       struct pipe_texture pt;
+      struct pipe_context *pipe = ctx->pipe;
       struct pipe_screen *screen = ctx->pipe->screen;
+      struct pipe_sampler_view view_templ;
+      struct pipe_sampler_view *view = NULL;
+      struct pipe_texture *texture;
 
       memset(&pt, 0, sizeof(pt));
       pt.target = PIPE_TEXTURE_2D;
@@ -496,7 +499,14 @@ struct vg_mask_layer * mask_layer_create(VGint width, VGint height)
       pt.tex_usage = PIPE_TEXTURE_USAGE_SAMPLER;
       pt.compressed = 0;
 
-      mask->texture = screen->texture_create(screen, &pt);
+      texture = screen->texture_create(screen, &pt);
+
+      if (texture) {
+         u_sampler_view_default_template(&view_templ, texture, texture->format);
+         view = pipe->create_sampler_view(pipe, texture, &view_templ);
+      }
+      pipe_texture_reference(&texture, NULL);
+      mask->sampler_view = view;
    }
 
    vg_context_add_object(ctx, VG_OBJECT_MASK, mask);
@@ -525,7 +535,7 @@ void mask_layer_fill(struct vg_mask_layer *layer,
    alpha_color[3] = value;
 
    surface = ctx->pipe->screen->get_tex_surface(
-      ctx->pipe->screen, layer->texture,
+      ctx->pipe->screen, layer->sampler_view->texture,
       0, 0, 0,
       PIPE_BUFFER_USAGE_GPU_WRITE);
 
@@ -545,10 +555,10 @@ void mask_copy(struct vg_mask_layer *layer,
     struct st_framebuffer *fb_buffers = ctx->draw_buffer;
 
     renderer_copy_texture(ctx->renderer,
-                          layer->texture,
+                          layer->sampler_view,
                           sx, sy,
                           sx + width, sy + height,
-                          fb_buffers->alpha_mask,
+                          fb_buffers->alpha_mask_view->texture,
                           dx, dy,
                           dx + width, dy + height);
 }
@@ -562,7 +572,7 @@ static void mask_layer_render_to(struct vg_mask_layer *layer,
    struct pipe_screen *screen = ctx->pipe->screen;
    struct pipe_surface *surface;
 
-   surface = screen->get_tex_surface(screen, layer->texture,  0, 0, 0,
+   surface = screen->get_tex_surface(screen, layer->sampler_view->texture,  0, 0, 0,
                                      PIPE_BUFFER_USAGE_GPU_WRITE);
 
    cso_save_framebuffer(ctx->cso_context);
@@ -604,8 +614,8 @@ void mask_render_to(struct path *path,
    struct vg_mask_layer *temp_layer;
    VGint width, height;
 
-   width = fb_buffers->alpha_mask->width0;
-   height = fb_buffers->alpha_mask->width0;
+   width = fb_buffers->alpha_mask_view->texture->width0;
+   height = fb_buffers->alpha_mask_view->texture->width0;
 
    temp_layer = mask_layer_create(width, height);
 
@@ -622,7 +632,7 @@ void mask_using_layer(struct vg_mask_layer *layer,
                       VGint x, VGint y,
                       VGint width, VGint height)
 {
-   mask_using_texture(layer->texture, operation,
+   mask_using_texture(layer->sampler_view, operation,
                       x, y, width, height);
 }
 
@@ -644,7 +654,7 @@ void mask_using_image(struct vg_image *image,
                       VGint x, VGint y,
                       VGint width, VGint height)
 {
-   mask_using_texture(image->texture, operation,
+   mask_using_texture(image->sampler_view, operation,
                       x, y, width, height);
 }
 
@@ -672,7 +682,7 @@ void mask_fill(VGint x, VGint y, VGint width, VGint height,
 }
 
 VGint mask_bind_samplers(struct pipe_sampler_state **samplers,
-                         struct pipe_texture **textures)
+                         struct pipe_sampler_view **sampler_views)
 {
    struct vg_context *ctx = vg_current_context();
 
@@ -680,7 +690,7 @@ VGint mask_bind_samplers(struct pipe_sampler_state **samplers,
       struct st_framebuffer *fb_buffers = ctx->draw_buffer;
 
       samplers[1] = &ctx->mask.sampler;
-      textures[1] = fb_buffers->alpha_mask;
+      sampler_views[1] = fb_buffers->alpha_mask_view;
       return 1;
    } else
       return 0;
diff --git a/src/gallium/state_trackers/vega/mask.h b/src/gallium/state_trackers/vega/mask.h
index 5eaaede0e3a..4feacbefda8 100644
--- a/src/gallium/state_trackers/vega/mask.h
+++ b/src/gallium/state_trackers/vega/mask.h
@@ -63,6 +63,6 @@ void mask_fill(VGint x, VGint y,
                VGfloat value);
 
 VGint mask_bind_samplers(struct pipe_sampler_state **samplers,
-                         struct pipe_texture **textures);
+                         struct pipe_sampler_view **sampler_views);
 
 #endif
diff --git a/src/gallium/state_trackers/vega/paint.c b/src/gallium/state_trackers/vega/paint.c
index dc56b8c5f3b..508e1863a57 100644
--- a/src/gallium/state_trackers/vega/paint.c
+++ b/src/gallium/state_trackers/vega/paint.c
@@ -37,6 +37,7 @@
 #include "util/u_format.h"
 #include "util/u_memory.h"
 #include "util/u_math.h"
+#include "util/u_sampler.h"
 
 #include "cso_cache/cso_context.h"
 
@@ -61,7 +62,7 @@ struct vg_paint {
          VGfloat vals[5];
          VGint valsi[5];
       } radial;
-      struct pipe_texture *texture;
+      struct pipe_sampler_view *sampler_view;
       struct pipe_sampler_state sampler;
 
       VGfloat *ramp_stops;
@@ -72,7 +73,7 @@ struct vg_paint {
    } gradient;
 
    struct {
-      struct pipe_texture *texture;
+      struct pipe_sampler_view *sampler_view;
       VGTilingMode tiling_mode;
       struct pipe_sampler_state sampler;
    } pattern;
@@ -173,6 +174,26 @@ static INLINE struct pipe_texture *create_gradient_texture(struct vg_paint *p)
    return tex;
 }
 
+static INLINE struct pipe_sampler_view *create_gradient_sampler_view(struct vg_paint *p)
+{
+   struct pipe_context *pipe = p->base.ctx->pipe;
+   struct pipe_texture *texture;
+   struct pipe_sampler_view view_templ;
+   struct pipe_sampler_view *view;
+
+   texture = create_gradient_texture(p);
+
+   if (!texture)
+      return NULL;
+
+   u_sampler_view_default_template(&view_templ, texture, texture->format);
+   view = pipe->create_sampler_view(pipe, texture, &view_templ);
+   /* want the texture to go away if the view is freed */
+   pipe_texture_reference(&texture, NULL);
+
+   return view;
+}
+
 struct vg_paint * paint_create(struct vg_context *ctx)
 {
    struct vg_paint *paint = CALLOC_STRUCT(vg_paint);
@@ -207,8 +228,9 @@ struct vg_paint * paint_create(struct vg_context *ctx)
 void paint_destroy(struct vg_paint *paint)
 {
    struct vg_context *ctx = paint->base.ctx;
-   if (paint->pattern.texture)
-      pipe_texture_reference(&paint->pattern.texture, NULL);
+   pipe_sampler_view_reference(&paint->gradient.sampler_view, NULL);
+   if (paint->pattern.sampler_view)
+      pipe_sampler_view_reference(&paint->pattern.sampler_view, NULL);
    if (ctx)
       vg_context_remove_object(ctx, VG_OBJECT_PAINT, paint);
 
@@ -329,8 +351,8 @@ static INLINE void  paint_pattern_buffer(struct vg_paint *paint, void *buffer)
 
    map[4] = 0.f;
    map[5] = 1.f;
-   map[6] = paint->pattern.texture->width0;
-   map[7] = paint->pattern.texture->height0;
+   map[6] = paint->pattern.sampler_view->texture->width0;
+   map[7] = paint->pattern.sampler_view->texture->height0;
    {
       struct matrix mat;
       memcpy(&mat, &ctx->state.vg.fill_paint_to_user_matrix,
@@ -394,12 +416,12 @@ void paint_set_ramp_stops(struct vg_paint *paint, const VGfloat *stops,
    create_gradient_data(stops, num / 5, paint->gradient.color_data,
                         1024);
 
-   if (paint->gradient.texture) {
-      pipe_texture_reference(&paint->gradient.texture, NULL);
-      paint->gradient.texture = 0;
+   if (paint->gradient.sampler_view) {
+      pipe_sampler_view_reference(&paint->gradient.sampler_view, NULL);
+      paint->gradient.sampler_view = NULL;
    }
 
-   paint->gradient.texture = create_gradient_texture(paint);
+   paint->gradient.sampler_view = create_gradient_sampler_view(paint);
 }
 
 void paint_set_colori(struct vg_paint *p,
@@ -459,12 +481,12 @@ void paint_set_radial_gradient(struct vg_paint *paint,
 void paint_set_pattern(struct vg_paint *paint,
                        struct vg_image *img)
 {
-   if (paint->pattern.texture)
-      pipe_texture_reference(&paint->pattern.texture, NULL);
+   if (paint->pattern.sampler_view)
+      pipe_sampler_view_reference(&paint->pattern.sampler_view, NULL);
 
-   paint->pattern.texture = 0;
-   pipe_texture_reference(&paint->pattern.texture,
-                          img->texture);
+   paint->pattern.sampler_view = NULL;
+   pipe_sampler_view_reference(&paint->pattern.sampler_view,
+                               img->sampler_view);
 }
 
 void paint_set_pattern_tiling(struct vg_paint *paint,
@@ -611,18 +633,18 @@ VGTilingMode paint_pattern_tiling(struct vg_paint *paint)
 }
 
 VGint paint_bind_samplers(struct vg_paint *paint, struct pipe_sampler_state **samplers,
-                          struct pipe_texture **textures)
+                          struct pipe_sampler_view **sampler_views)
 {
    struct vg_context *ctx = vg_current_context();
 
    switch(paint->type) {
    case VG_PAINT_TYPE_LINEAR_GRADIENT:
    case VG_PAINT_TYPE_RADIAL_GRADIENT: {
-      if (paint->gradient.texture) {
+      if (paint->gradient.sampler_view) {
          paint->gradient.sampler.min_img_filter = image_sampler_filter(ctx);
          paint->gradient.sampler.mag_img_filter = image_sampler_filter(ctx);
          samplers[0] = &paint->gradient.sampler;
-         textures[0] = paint->gradient.texture;
+         sampler_views[0] = paint->gradient.sampler_view;
          return 1;
       }
    }
@@ -634,7 +656,7 @@ VGint paint_bind_samplers(struct vg_paint *paint, struct pipe_sampler_state **sa
       paint->pattern.sampler.min_img_filter = image_sampler_filter(ctx);
       paint->pattern.sampler.mag_img_filter = image_sampler_filter(ctx);
       samplers[0] = &paint->pattern.sampler;
-      textures[0] = paint->pattern.texture;
+      sampler_views[0] = paint->pattern.sampler_view;
       return 1;
    }
       break;
@@ -647,7 +669,7 @@ VGint paint_bind_samplers(struct vg_paint *paint, struct pipe_sampler_state **sa
 void paint_resolve_type(struct vg_paint *paint)
 {
    if (paint->type == VG_PAINT_TYPE_PATTERN &&
-       !paint->pattern.texture) {
+       !paint->pattern.sampler_view) {
       paint->type = VG_PAINT_TYPE_COLOR;
    }
 }
diff --git a/src/gallium/state_trackers/vega/paint.h b/src/gallium/state_trackers/vega/paint.h
index 999b5c167ca..9ea67c4b1e6 100644
--- a/src/gallium/state_trackers/vega/paint.h
+++ b/src/gallium/state_trackers/vega/paint.h
@@ -108,7 +108,7 @@ VGboolean paint_color_ramp_premultiplied(struct vg_paint *paint);
 
 
 VGint paint_bind_samplers(struct vg_paint *paint, struct pipe_sampler_state **samplers,
-                          struct pipe_texture **textures);
+                          struct pipe_sampler_view **sampler_views);
 
 VGint paint_constant_buffer_size(struct vg_paint *paint);
 void paint_fill_constant_buffer(struct vg_paint *paint,
diff --git a/src/gallium/state_trackers/vega/renderer.c b/src/gallium/state_trackers/vega/renderer.c
index 47e8b470a11..2bb4c8bc756 100644
--- a/src/gallium/state_trackers/vega/renderer.c
+++ b/src/gallium/state_trackers/vega/renderer.c
@@ -39,6 +39,7 @@
 #include "util/u_simple_shaders.h"
 #include "util/u_memory.h"
 #include "util/u_rect.h"
+#include "util/u_sampler.h"
 
 #include "cso_cache/cso_context.h"
 
@@ -263,7 +264,7 @@ void renderer_draw_texture(struct renderer *r,
 }
 
 void renderer_copy_texture(struct renderer *ctx,
-                           struct pipe_texture *src,
+                           struct pipe_sampler_view *src,
                            VGfloat sx1, VGfloat sy1,
                            VGfloat sx2, VGfloat sy2,
                            struct pipe_texture *dst,
@@ -272,6 +273,7 @@ void renderer_copy_texture(struct renderer *ctx,
 {
    struct pipe_context *pipe = ctx->pipe;
    struct pipe_screen *screen = pipe->screen;
+   struct pipe_texture *tex = src->texture;
    struct pipe_buffer *buf;
    struct pipe_surface *dst_surf = screen->get_tex_surface(
       screen, dst, 0, 0, 0,
@@ -279,8 +281,8 @@ void renderer_copy_texture(struct renderer *ctx,
    struct pipe_framebuffer_state fb;
    float s0, t0, s1, t1;
 
-   assert(src->width0 != 0);
-   assert(src->height0 != 0);
+   assert(tex->width0 != 0);
+   assert(tex->height0 != 0);
    assert(dst->width0 != 0);
    assert(dst->height0 != 0);
 
@@ -290,10 +292,10 @@ void renderer_copy_texture(struct renderer *ctx,
 #endif
 
 #if 1
-   s0 = sx1 / src->width0;
-   s1 = sx2 / src->width0;
-   t0 = sy1 / src->height0;
-   t1 = sy2 / src->height0;
+   s0 = sx1 / tex->width0;
+   s1 = sx2 / tex->width0;
+   t0 = sy1 / tex->height0;
+   t1 = sy2 / tex->height0;
 #else
    s0 = 0;
    s1 = 1;
@@ -307,7 +309,7 @@ void renderer_copy_texture(struct renderer *ctx,
    /* save state (restored below) */
    cso_save_blend(ctx->cso);
    cso_save_samplers(ctx->cso);
-   cso_save_sampler_textures(ctx->cso);
+   cso_save_fragment_sampler_views(ctx->cso);
    cso_save_framebuffer(ctx->cso);
    cso_save_fragment_shader(ctx->cso);
    cso_save_vertex_shader(ctx->cso);
@@ -345,7 +347,7 @@ void renderer_copy_texture(struct renderer *ctx,
    vg_set_viewport(ctx->owner, VEGA_Y0_TOP);
 
    /* texture */
-   cso_set_sampler_textures(ctx->cso, 1, &src);
+   cso_set_fragment_sampler_views(ctx->cso, 1, &src);
 
    /* shaders */
    cso_set_vertex_shader_handle(ctx->cso, vg_texture_vs(ctx->owner));
@@ -385,7 +387,7 @@ void renderer_copy_texture(struct renderer *ctx,
    /* restore state we changed */
    cso_restore_blend(ctx->cso);
    cso_restore_samplers(ctx->cso);
-   cso_restore_sampler_textures(ctx->cso);
+   cso_restore_fragment_sampler_views(ctx->cso);
    cso_restore_framebuffer(ctx->cso);
    cso_restore_vertex_shader(ctx->cso);
    cso_restore_fragment_shader(ctx->cso);
@@ -406,6 +408,8 @@ void renderer_copy_surface(struct renderer *ctx,
    struct pipe_context *pipe = ctx->pipe;
    struct pipe_screen *screen = pipe->screen;
    struct pipe_buffer *buf;
+   struct pipe_sampler_view view_templ;
+   struct pipe_sampler_view *view;
    struct pipe_texture texTemp, *tex;
    struct pipe_surface *texSurf;
    struct pipe_framebuffer_state fb;
@@ -457,6 +461,12 @@ void renderer_copy_surface(struct renderer *ctx,
    if (!tex)
       return;
 
+   u_sampler_view_default_template(&view_templ, tex, tex->format);
+   view = pipe->create_sampler_view(pipe, tex, &view_templ);
+
+   if (!view)
+      return;
+
    texSurf = screen->get_tex_surface(screen, tex, 0, 0, 0,
                                      PIPE_BUFFER_USAGE_GPU_WRITE);
 
@@ -479,7 +489,7 @@ void renderer_copy_surface(struct renderer *ctx,
    /* save state (restored below) */
    cso_save_blend(ctx->cso);
    cso_save_samplers(ctx->cso);
-   cso_save_sampler_textures(ctx->cso);
+   cso_save_fragment_sampler_views(ctx->cso);
    cso_save_framebuffer(ctx->cso);
    cso_save_fragment_shader(ctx->cso);
    cso_save_vertex_shader(ctx->cso);
@@ -515,7 +525,7 @@ void renderer_copy_surface(struct renderer *ctx,
    }
 
    /* texture */
-   cso_set_sampler_textures(ctx->cso, 1, &tex);
+   cso_set_fragment_sampler_views(ctx->cso, 1, &view);
 
    /* shaders */
    cso_set_fragment_shader_handle(ctx->cso, ctx->fs);
@@ -552,13 +562,14 @@ void renderer_copy_surface(struct renderer *ctx,
    /* restore state we changed */
    cso_restore_blend(ctx->cso);
    cso_restore_samplers(ctx->cso);
-   cso_restore_sampler_textures(ctx->cso);
+   cso_restore_fragment_sampler_views(ctx->cso);
    cso_restore_framebuffer(ctx->cso);
    cso_restore_fragment_shader(ctx->cso);
    cso_restore_vertex_shader(ctx->cso);
    cso_restore_viewport(ctx->cso);
 
    pipe_texture_reference(&tex, NULL);
+   pipe_sampler_view_reference(&view, NULL);
 }
 
 void renderer_texture_quad(struct renderer *r,
diff --git a/src/gallium/state_trackers/vega/renderer.h b/src/gallium/state_trackers/vega/renderer.h
index 990cd32c313..03366f13614 100644
--- a/src/gallium/state_trackers/vega/renderer.h
+++ b/src/gallium/state_trackers/vega/renderer.h
@@ -33,6 +33,7 @@ struct renderer;
 
 struct vg_context;
 struct pipe_texture;
+struct pipe_sampler_view;
 struct pipe_surface;
 
 struct renderer *renderer_create(struct vg_context *owner);
@@ -57,7 +58,7 @@ void renderer_texture_quad(struct renderer *,
                            VGfloat x3, VGfloat y3,
                            VGfloat x4, VGfloat y4);
 void renderer_copy_texture(struct renderer *r,
-                           struct pipe_texture *src,
+                           struct pipe_sampler_view *src,
                            VGfloat sx1, VGfloat sy1,
                            VGfloat sx2, VGfloat sy2,
                            struct pipe_texture *dst,
diff --git a/src/gallium/state_trackers/vega/shader.c b/src/gallium/state_trackers/vega/shader.c
index 0e71a507bff..f2ec24c57ff 100644
--- a/src/gallium/state_trackers/vega/shader.c
+++ b/src/gallium/state_trackers/vega/shader.c
@@ -119,7 +119,7 @@ static void setup_constant_buffer(struct shader *shader)
 
 static VGint blend_bind_samplers(struct vg_context *ctx,
                                  struct pipe_sampler_state **samplers,
-                                 struct pipe_texture **textures)
+                                 struct pipe_sampler_view **sampler_views)
 {
    VGBlendMode bmode = ctx->state.vg.blend_mode;
 
@@ -132,15 +132,15 @@ static VGint blend_bind_samplers(struct vg_context *ctx,
       vg_prepare_blend_surface(ctx);
 
       samplers[2] = &ctx->blend_sampler;
-      textures[2] = stfb->blend_texture;
+      sampler_views[2] = stfb->blend_texture_view;
 
-      if (!samplers[0] || !textures[0]) {
+      if (!samplers[0] || !sampler_views[0]) {
          samplers[0] = samplers[2];
-         textures[0] = textures[2];
+         sampler_views[0] = sampler_views[2];
       }
-      if (!samplers[1] || !textures[1]) {
+      if (!samplers[1] || !sampler_views[1]) {
          samplers[1] = samplers[0];
-         textures[1] = textures[0];
+         sampler_views[1] = sampler_views[0];
       }
 
       return 1;
@@ -151,7 +151,7 @@ static VGint blend_bind_samplers(struct vg_context *ctx,
 static void setup_samplers(struct shader *shader)
 {
    struct pipe_sampler_state *samplers[PIPE_MAX_SAMPLERS];
-   struct pipe_texture *textures[PIPE_MAX_SAMPLERS];
+   struct pipe_sampler_view *sampler_views[PIPE_MAX_SAMPLERS];
    struct vg_context *ctx = shader->context;
    /* a little wonky: we use the num as a boolean that just says
     * whether any sampler/textures have been set. the actual numbering
@@ -167,20 +167,20 @@ static void setup_samplers(struct shader *shader)
    samplers[1] = NULL;
    samplers[2] = NULL;
    samplers[3] = NULL;
-   textures[0] = NULL;
-   textures[1] = NULL;
-   textures[2] = NULL;
-   textures[3] = NULL;
-
-   num += paint_bind_samplers(shader->paint, samplers, textures);
-   num += mask_bind_samplers(samplers, textures);
-   num += blend_bind_samplers(ctx, samplers, textures);
+   sampler_views[0] = NULL;
+   sampler_views[1] = NULL;
+   sampler_views[2] = NULL;
+   sampler_views[3] = NULL;
+
+   num += paint_bind_samplers(shader->paint, samplers, sampler_views);
+   num += mask_bind_samplers(samplers, sampler_views);
+   num += blend_bind_samplers(ctx, samplers, sampler_views);
    if (shader->drawing_image && shader->image)
-      num += image_bind_samplers(shader->image, samplers, textures);
+      num += image_bind_samplers(shader->image, samplers, sampler_views);
 
    if (num) {
       cso_set_samplers(ctx->cso_context, 4, (const struct pipe_sampler_state **)samplers);
-      cso_set_sampler_textures(ctx->cso_context, 4, textures);
+      cso_set_fragment_sampler_views(ctx->cso_context, 4, sampler_views);
    }
 }
 
diff --git a/src/gallium/state_trackers/vega/vg_context.c b/src/gallium/state_trackers/vega/vg_context.c
index 170391ec031..11ebbbe5444 100644
--- a/src/gallium/state_trackers/vega/vg_context.c
+++ b/src/gallium/state_trackers/vega/vg_context.c
@@ -32,6 +32,7 @@
 #include "shader.h"
 #include "asm_util.h"
 #include "st_inlines.h"
+#include "vg_manager.h"
 
 #include "pipe/p_context.h"
 #include "util/u_inlines.h"
@@ -42,6 +43,7 @@
 #include "util/u_simple_shaders.h"
 #include "util/u_memory.h"
 #include "util/u_blit.h"
+#include "util/u_sampler.h"
 
 struct vg_context *_vg_context = 0;
 
@@ -305,6 +307,8 @@ static void update_clip_state(struct vg_context *ctx)
 
 void vg_validate_state(struct vg_context *ctx)
 {
+   vg_manager_validate_framebuffer(ctx);
+
    if ((ctx->state.dirty & BLEND_DIRTY)) {
       struct pipe_blend_state *blend = &ctx->state.g3d.blend;
       memset(blend, 0, sizeof(struct pipe_blend_state));
@@ -433,19 +437,24 @@ void vg_prepare_blend_surface(struct vg_context *ctx)
 {
    struct pipe_surface *dest_surface = NULL;
    struct pipe_context *pipe = ctx->pipe;
+   struct pipe_sampler_view *view;
+   struct pipe_sampler_view view_templ;
    struct st_framebuffer *stfb = ctx->draw_buffer;
    struct st_renderbuffer *strb = stfb->strb;
 
    /* first finish all pending rendering */
    vgFinish();
 
+   u_sampler_view_default_template(&view_templ, strb->texture, strb->texture->format);
+   view = pipe->create_sampler_view(pipe, strb->texture, &view_templ);
+
    dest_surface = pipe->screen->get_tex_surface(pipe->screen,
-                                                stfb->blend_texture,
+                                                stfb->blend_texture_view->texture,
                                                 0, 0, 0,
                                                 PIPE_BUFFER_USAGE_GPU_WRITE);
    /* flip it, because we want to use it as a sampler */
    util_blit_pixels_tex(ctx->blit,
-                        strb->texture,
+                        view,
                         0, strb->height,
                         strb->width, 0,
                         dest_surface,
@@ -458,6 +467,8 @@ void vg_prepare_blend_surface(struct vg_context *ctx)
 
    /* make sure it's complete */
    vgFinish();
+
+   pipe_sampler_view_reference(&view, NULL);
 }
 
 
@@ -474,13 +485,13 @@ void vg_prepare_blend_surface_from_mask(struct vg_context *ctx)
    vgFinish();
 
    dest_surface = pipe->screen->get_tex_surface(pipe->screen,
-                                                stfb->blend_texture,
+                                                stfb->blend_texture_view->texture,
                                                 0, 0, 0,
                                                 PIPE_BUFFER_USAGE_GPU_WRITE);
 
    /* flip it, because we want to use it as a sampler */
    util_blit_pixels_tex(ctx->blit,
-                        stfb->alpha_mask,
+                        stfb->alpha_mask_view,
                         0, strb->height,
                         strb->width, 0,
                         dest_surface,
diff --git a/src/gallium/state_trackers/vega/vg_context.h b/src/gallium/state_trackers/vega/vg_context.h
index 804e9e76d77..c9e36d7d767 100644
--- a/src/gallium/state_trackers/vega/vg_context.h
+++ b/src/gallium/state_trackers/vega/vg_context.h
@@ -33,6 +33,7 @@
 #include "pipe/p_state.h"
 #include "util/u_pointer.h"
 #include "util/u_math.h"
+#include "state_tracker/st_api.h"
 
 #include "cso_cache/cso_hash.h"
 #include "cso_cache/cso_context.h"
@@ -54,9 +55,13 @@ struct st_framebuffer {
    struct st_renderbuffer *strb;
    struct st_renderbuffer *dsrb;
 
-   struct pipe_texture *alpha_mask;
+   struct pipe_sampler_view *alpha_mask_view;
 
-   struct pipe_texture *blend_texture;
+   struct pipe_sampler_view *blend_texture_view;
+
+
+   struct st_framebuffer_iface *iface;
+   enum st_attachment_type strb_att;
 
    void *privateData;
 };
@@ -84,6 +89,8 @@ enum dirty_state {
 
 struct vg_context
 {
+   struct st_context_iface iface;
+
    struct pipe_context *pipe;
 
    struct {
@@ -101,6 +108,7 @@ struct vg_context
    VGErrorCode _error;
 
    struct st_framebuffer *draw_buffer;
+   int32_t draw_buffer_invalid;
 
    struct cso_hash *owned_objects[VG_OBJECT_LAST];
 
diff --git a/src/gallium/state_trackers/vega/vg_manager.c b/src/gallium/state_trackers/vega/vg_manager.c
new file mode 100644
index 00000000000..25c2e853f2a
--- /dev/null
+++ b/src/gallium/state_trackers/vega/vg_manager.c
@@ -0,0 +1,373 @@
+/*
+ * Mesa 3-D graphics library
+ * Version:  7.9
+ *
+ * Copyright (C) 2010 LunarG Inc.
+ *
+ * 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, sublicense,
+ * 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 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 NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL 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.
+ *
+ * Authors:
+ *    Chia-I Wu <[email protected]>
+ */
+
+#include "state_tracker/st_api.h"
+
+#include "pipe/p_context.h"
+#include "pipe/p_screen.h"
+#include "util/u_memory.h"
+#include "util/u_inlines.h"
+
+#include "vg_manager.h"
+#include "vg_context.h"
+#include "vg_tracker.h" /* for st_resize_framebuffer */
+#include "image.h"
+
+/**
+ * Flush the front buffer if the current context renders to the front buffer.
+ */
+void
+vg_manager_flush_frontbuffer(struct vg_context *ctx)
+{
+   struct st_framebuffer *stfb = ctx->draw_buffer;
+
+   if (!stfb)
+      return;
+
+   /* st_public.h is used */
+   if (!stfb->iface) {
+      struct pipe_screen *screen = ctx->pipe->screen;
+      if (screen->flush_frontbuffer) {
+         screen->flush_frontbuffer(screen,
+               stfb->strb->surface, ctx->pipe->priv);
+      }
+      return;
+   }
+
+   switch (stfb->strb_att) {
+   case ST_ATTACHMENT_FRONT_LEFT:
+   case ST_ATTACHMENT_FRONT_RIGHT:
+      stfb->iface->flush_front(stfb->iface, stfb->strb_att);
+      break;
+   default:
+      break;
+   }
+}
+
+/**
+ * Re-validate the framebuffer.
+ */
+void
+vg_manager_validate_framebuffer(struct vg_context *ctx)
+{
+   struct pipe_screen *screen = ctx->pipe->screen;
+   struct st_framebuffer *stfb = ctx->draw_buffer;
+   struct st_renderbuffer *rb;
+   struct pipe_texture *pt;
+
+   /* no binding surface */
+   if (!stfb)
+      return;
+
+   /* st_public.h is used */
+   if (!stfb->iface) {
+      struct pipe_screen *screen = ctx->pipe->screen;
+      if (screen->update_buffer)
+         screen->update_buffer(screen, ctx->pipe->priv);
+      return;
+   }
+
+   if (!p_atomic_read(&ctx->draw_buffer_invalid))
+      return;
+
+   /* validate the fb */
+   if (!stfb->iface->validate(stfb->iface, &stfb->strb_att, 1, &pt) || !pt)
+      return;
+
+   rb = stfb->strb;
+   if (rb->texture == pt) {
+      pipe_texture_reference(&pt, NULL);
+      return;
+   }
+
+   /* unreference existing ones */
+   pipe_surface_reference(&rb->surface, NULL);
+   pipe_texture_reference(&rb->texture, NULL);
+
+   rb->texture = pt;
+   rb->surface = screen->get_tex_surface(screen, rb->texture, 0, 0, 0,
+         PIPE_BUFFER_USAGE_GPU_READ | PIPE_BUFFER_USAGE_GPU_WRITE);
+
+   rb->width = rb->surface->width;
+   rb->height = rb->surface->height;
+
+   st_resize_framebuffer(stfb, rb->width, rb->height);
+
+   p_atomic_set(&ctx->draw_buffer_invalid, FALSE);
+}
+
+
+static void
+vg_context_notify_invalid_framebuffer(struct st_context_iface *stctxi,
+                                      struct st_framebuffer_iface *stfbi)
+{
+   struct vg_context *ctx = (struct vg_context *) stctxi;
+   p_atomic_set(&ctx->draw_buffer_invalid, TRUE);
+}
+
+static void
+vg_context_flush(struct st_context_iface *stctxi, unsigned flags,
+                 struct pipe_fence_handle **fence)
+{
+   struct vg_context *ctx = (struct vg_context *) stctxi;
+   ctx->pipe->flush(ctx->pipe, flags, fence);
+   if (flags & PIPE_FLUSH_RENDER_CACHE)
+      vg_manager_flush_frontbuffer(ctx);
+}
+
+static void
+vg_context_destroy(struct st_context_iface *stctxi)
+{
+   struct vg_context *ctx = (struct vg_context *) stctxi;
+   vg_destroy_context(ctx);
+}
+
+static struct st_context_iface *
+vg_api_create_context(struct st_api *stapi, struct st_manager *smapi,
+                      const struct st_visual *visual,
+                      struct st_context_iface *shared_stctxi)
+{
+   struct vg_context *shared_ctx = (struct vg_context *) shared_stctxi;
+   struct vg_context *ctx;
+   struct pipe_context *pipe;
+
+   pipe = smapi->screen->context_create(smapi->screen, NULL);
+   if (!pipe)
+      return NULL;
+   ctx = vg_create_context(pipe, NULL, shared_ctx);
+   if (!ctx) {
+      pipe->destroy(pipe);
+      return NULL;
+   }
+
+   ctx->iface.destroy = vg_context_destroy;
+
+   ctx->iface.notify_invalid_framebuffer =
+      vg_context_notify_invalid_framebuffer;
+   ctx->iface.flush = vg_context_flush;
+
+   ctx->iface.teximage = NULL;
+   ctx->iface.copy = NULL;
+
+   ctx->iface.st_context_private = (void *) smapi;
+
+   return &ctx->iface;
+}
+
+static struct st_renderbuffer *
+create_renderbuffer(enum pipe_format format)
+{
+   struct st_renderbuffer *strb;
+
+   strb = CALLOC_STRUCT(st_renderbuffer);
+   if (strb)
+      strb->format = format;
+
+   return strb;
+}
+
+static void
+destroy_renderbuffer(struct st_renderbuffer *strb)
+{
+   pipe_surface_reference(&strb->surface, NULL);
+   pipe_texture_reference(&strb->texture, NULL);
+   free(strb);
+}
+
+/**
+ * Decide the buffer to render to.
+ */
+static enum st_attachment_type
+choose_attachment(struct st_framebuffer_iface *stfbi)
+{
+   enum st_attachment_type statt;
+
+   statt = stfbi->visual->render_buffer;
+   if (statt != ST_ATTACHMENT_INVALID) {
+      /* use the buffer given by the visual, unless it is unavailable */
+      if (!st_visual_have_buffers(stfbi->visual, 1 << statt)) {
+         switch (statt) {
+         case ST_ATTACHMENT_BACK_LEFT:
+            statt = ST_ATTACHMENT_FRONT_LEFT;
+            break;
+         case ST_ATTACHMENT_BACK_RIGHT:
+            statt = ST_ATTACHMENT_FRONT_RIGHT;
+            break;
+         default:
+            break;
+         }
+
+         if (!st_visual_have_buffers(stfbi->visual, 1 << statt))
+            statt = ST_ATTACHMENT_INVALID;
+      }
+   }
+
+   return statt;
+}
+
+/**
+ * Bind the context to the given framebuffers.
+ */
+static boolean
+vg_context_bind_framebuffers(struct st_context_iface *stctxi,
+                             struct st_framebuffer_iface *stdrawi,
+                             struct st_framebuffer_iface *streadi)
+{
+   struct vg_context *ctx = (struct vg_context *) stctxi;
+   struct st_framebuffer *stfb;
+   enum st_attachment_type strb_att;
+
+   /* the draw and read framebuffers must be the same */
+   if (stdrawi != streadi)
+      return FALSE;
+
+   p_atomic_set(&ctx->draw_buffer_invalid, TRUE);
+
+   strb_att = (stdrawi) ? choose_attachment(stdrawi) : ST_ATTACHMENT_INVALID;
+
+   if (ctx->draw_buffer) {
+      stfb = ctx->draw_buffer;
+
+      /* free the existing fb */
+      if (!stdrawi ||
+          stfb->strb_att != strb_att ||
+          stfb->strb->format != stdrawi->visual->color_format ||
+          stfb->dsrb->format != stdrawi->visual->depth_stencil_format) {
+         destroy_renderbuffer(stfb->strb);
+         destroy_renderbuffer(stfb->dsrb);
+         free(stfb);
+
+         ctx->draw_buffer = NULL;
+      }
+   }
+
+   if (!stdrawi)
+      return TRUE;
+
+   if (strb_att == ST_ATTACHMENT_INVALID)
+      return FALSE;
+
+   /* create a new fb */
+   if (!ctx->draw_buffer) {
+      stfb = CALLOC_STRUCT(st_framebuffer);
+      if (!stfb)
+         return FALSE;
+
+      stfb->strb = create_renderbuffer(stdrawi->visual->color_format);
+      if (!stfb->strb) {
+         free(stfb);
+         return FALSE;
+      }
+
+      stfb->dsrb = create_renderbuffer(stdrawi->visual->depth_stencil_format);
+      if (!stfb->dsrb) {
+         free(stfb->strb);
+         free(stfb);
+         return FALSE;
+      }
+
+      stfb->width = 0;
+      stfb->height = 0;
+      stfb->strb_att = strb_att;
+
+      ctx->draw_buffer = stfb;
+   }
+
+   ctx->draw_buffer->iface = stdrawi;
+
+   return TRUE;
+}
+
+static boolean
+vg_api_make_current(struct st_api *stapi, struct st_context_iface *stctxi,
+                    struct st_framebuffer_iface *stdrawi,
+                    struct st_framebuffer_iface *streadi)
+{
+   struct vg_context *ctx = (struct vg_context *) stctxi;
+
+   if (stctxi)
+      vg_context_bind_framebuffers(stctxi, stdrawi, streadi);
+   vg_set_current_context(ctx);
+
+   return TRUE;
+}
+
+static struct st_context_iface *
+vg_api_get_current(struct st_api *stapi)
+{
+   struct vg_context *ctx = vg_current_context();
+
+   return (ctx) ? &ctx->iface : NULL;
+}
+
+static boolean
+vg_api_is_visual_supported(struct st_api *stapi,
+                           const struct st_visual *visual)
+{
+   /* the impl requires a depth/stencil buffer */
+   if (visual->depth_stencil_format == PIPE_FORMAT_NONE)
+      return FALSE;
+
+   return TRUE;
+}
+
+static st_proc_t
+vg_api_get_proc_address(struct st_api *stapi, const char *procname)
+{
+   /* TODO */
+   return (st_proc_t) NULL;
+}
+
+static void
+vg_api_destroy(struct st_api *stapi)
+{
+   free(stapi);
+}
+
+static struct st_api *
+vg_module_create_api(void)
+{
+   struct st_api *stapi;
+
+   stapi = CALLOC_STRUCT(st_api);
+   if (stapi) {
+      stapi->destroy = vg_api_destroy;
+      stapi->get_proc_address = vg_api_get_proc_address;
+      stapi->is_visual_supported = vg_api_is_visual_supported;
+
+      stapi->create_context = vg_api_create_context;
+      stapi->make_current = vg_api_make_current;
+      stapi->get_current = vg_api_get_current;
+   }
+
+   return stapi;
+}
+
+PUBLIC const struct st_module st_module_OpenVG = {
+   .api = ST_API_OPENVG,
+   .create_api = vg_module_create_api,
+};
diff --git a/src/gallium/state_trackers/vega/vg_manager.h b/src/gallium/state_trackers/vega/vg_manager.h
new file mode 100644
index 00000000000..1a276c0f35e
--- /dev/null
+++ b/src/gallium/state_trackers/vega/vg_manager.h
@@ -0,0 +1,40 @@
+/*
+ * Mesa 3-D graphics library
+ * Version:  7.9
+ *
+ * Copyright (C) 2010 LunarG Inc.
+ *
+ * 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, sublicense,
+ * 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 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 NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL 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.
+ *
+ * Authors:
+ *    Chia-I Wu <[email protected]>
+ */
+
+#ifndef VG_MANAGER_H
+#define VG_MANAGER_H
+
+#include "state_tracker/st_api.h"
+#include "vg_context.h"
+
+void
+vg_manager_flush_frontbuffer(struct vg_context *ctx);
+
+void
+vg_manager_validate_framebuffer(struct vg_context *ctx);
+
+#endif /* VG_MANAGER_H */
diff --git a/src/gallium/state_trackers/vega/vg_tracker.c b/src/gallium/state_trackers/vega/vg_tracker.c
index ea5c2ce41f6..f438e34087e 100644
--- a/src/gallium/state_trackers/vega/vg_tracker.c
+++ b/src/gallium/state_trackers/vega/vg_tracker.c
@@ -32,6 +32,7 @@
 #include "util/u_inlines.h"
 #include "pipe/p_screen.h"
 #include "util/u_format.h"
+#include "util/u_sampler.h"
 #include "util/u_memory.h"
 #include "util/u_math.h"
 #include "util/u_rect.h"
@@ -41,7 +42,7 @@ PUBLIC const int st_api_OpenVG = 1;
 
 static struct pipe_texture *
 create_texture(struct pipe_context *pipe, enum pipe_format format,
-               VGint width, VGint height)
+                    VGint width, VGint height)
 {
    struct pipe_texture templ;
 
@@ -71,6 +72,27 @@ create_texture(struct pipe_context *pipe, enum pipe_format format,
    return pipe->screen->texture_create(pipe->screen, &templ);
 }
 
+static struct pipe_sampler_view *
+create_tex_and_view(struct pipe_context *pipe, enum pipe_format format,
+                    VGint width, VGint height)
+{
+   struct pipe_texture *texture;
+   struct pipe_sampler_view view_templ;
+   struct pipe_sampler_view *view;
+
+   texture = create_texture(pipe, format, width, height);
+
+   if (!texture)
+      return NULL;
+
+   u_sampler_view_default_template(&view_templ, texture, texture->format);
+   view = pipe->create_sampler_view(pipe, texture, &view_templ);
+   /* want the texture to go away if the view is freed */
+   pipe_texture_reference(&texture, NULL);
+
+   return view;
+}
+
 /**
  * Allocate a renderbuffer for a an on-screen window (not a user-created
  * renderbuffer).  The window system code determines the format.
@@ -115,8 +137,8 @@ st_renderbuffer_alloc_storage(struct vg_context * ctx,
    surface_usage = (PIPE_BUFFER_USAGE_GPU_READ  |
                     PIPE_BUFFER_USAGE_GPU_WRITE);
 
-   strb->texture = create_texture(pipe, strb->format,
-                                  width, height);
+   strb->texture = create_texture(pipe, strb->format, width, height);
+
 
    if (!strb->texture)
       return FALSE;
@@ -191,7 +213,7 @@ struct st_framebuffer * st_create_framebuffer(const void *visual,
       /*### currently we always allocate it but it's possible it's
         not necessary if EGL_ALPHA_MASK_SIZE was 0
       */
-      stfb->alpha_mask = 0;
+      stfb->alpha_mask_view = NULL;
 
       stfb->width = width;
       stfb->height = height;
@@ -206,19 +228,19 @@ static void setup_new_alpha_mask(struct vg_context *ctx,
                                  uint width, uint height)
 {
    struct pipe_context *pipe = ctx->pipe;
-   struct pipe_texture *old_texture = stfb->alpha_mask;
+   struct pipe_sampler_view *old_sampler_view = stfb->alpha_mask_view;
 
    /*
      we use PIPE_FORMAT_B8G8R8A8_UNORM because we want to render to
      this texture and use it as a sampler, so while this wastes some
      space it makes both of those a lot simpler
    */
-   stfb->alpha_mask =
-      create_texture(pipe, PIPE_FORMAT_B8G8R8A8_UNORM, width, height);
+   stfb->alpha_mask_view =
+      create_tex_and_view(pipe, PIPE_FORMAT_B8G8R8A8_UNORM, width, height);
 
-   if (!stfb->alpha_mask) {
-      if (old_texture)
-         pipe_texture_reference(&old_texture, NULL);
+   if (!stfb->alpha_mask_view) {
+      if (old_sampler_view)
+         pipe_sampler_view_reference(&old_sampler_view, NULL);
       return;
    }
 
@@ -228,15 +250,15 @@ static void setup_new_alpha_mask(struct vg_context *ctx,
    mask_fill(0, 0, width, height, 1.f);
 
    /* if we had an old surface copy it over */
-   if (old_texture) {
+   if (old_sampler_view) {
       struct pipe_surface *surface = pipe->screen->get_tex_surface(
          pipe->screen,
-         stfb->alpha_mask,
+         stfb->alpha_mask_view->texture,
          0, 0, 0,
          PIPE_BUFFER_USAGE_GPU_WRITE);
       struct pipe_surface *old_surface = pipe->screen->get_tex_surface(
          pipe->screen,
-         old_texture,
+         old_sampler_view->texture,
          0, 0, 0,
          PIPE_BUFFER_USAGE_GPU_READ);
       if (pipe->surface_copy) {
@@ -264,8 +286,8 @@ static void setup_new_alpha_mask(struct vg_context *ctx,
 
    /* Free the old texture
     */
-   if (old_texture)
-      pipe_texture_reference(&old_texture, NULL);
+   if (old_sampler_view)
+      pipe_sampler_view_reference(&old_sampler_view, NULL);
 }
 
 void st_resize_framebuffer(struct st_framebuffer *stfb,
@@ -326,9 +348,9 @@ void st_resize_framebuffer(struct st_framebuffer *stfb,
 
    setup_new_alpha_mask(ctx, stfb, width, height);
 
-   pipe_texture_reference( &stfb->blend_texture, NULL );
-   stfb->blend_texture = create_texture(ctx->pipe, PIPE_FORMAT_B8G8R8A8_UNORM,
-                                        width, height);
+   pipe_sampler_view_reference( &stfb->blend_texture_view, NULL );
+   stfb->blend_texture_view = create_tex_and_view(ctx->pipe, PIPE_FORMAT_B8G8R8A8_UNORM,
+                                                  width, height);
 }
 
 void st_set_framebuffer_surface(struct st_framebuffer *stfb,