st/vega: fix up vega state tracker to use cso changes

use cso fragment sampler views instead of sampler textures.
since we don't really change views, try to store sampler views instead
of the textures to avoid having to recreate views most of the time.

1 files changed, 23 insertions, 14 deletions

diff --git a/src/gallium/state_trackers/vega/image.c b/src/gallium/state_trackers/vega/image.c
index a71579cd26..c3268a84a6 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;
 }