gallium: WIP: Introduce sampler views.

2 files changed, 50 insertions, 28 deletions

diff --git a/src/gallium/drivers/identity/id_context.c b/src/gallium/drivers/identity/id_context.c
index 8248b2a4132..2272f4a126a 100644
--- a/src/gallium/drivers/identity/id_context.c
+++ b/src/gallium/drivers/identity/id_context.c
@@ -492,53 +492,49 @@ identity_set_viewport_state(struct pipe_context *_pipe,
 }
 
 static void
-identity_set_fragment_sampler_textures(struct pipe_context *_pipe,
-                                       unsigned num_textures,
-                                       struct pipe_texture **_textures)
+identity_set_fragment_sampler_views(struct pipe_context *_pipe,
+                                    unsigned num,
+                                    struct pipe_sampler_view **_views)
 {
    struct identity_context *id_pipe = identity_context(_pipe);
    struct pipe_context *pipe = id_pipe->pipe;
-   struct pipe_texture *unwrapped_textures[PIPE_MAX_SAMPLERS];
-   struct pipe_texture **textures = NULL;
+   struct pipe_sampler_view *unwrapped_views[PIPE_MAX_SAMPLERS];
+   struct pipe_sampler_view **views = NULL;
    unsigned i;
 
-   if (_textures) {
-      for (i = 0; i < num_textures; i++)
-         unwrapped_textures[i] = identity_texture_unwrap(_textures[i]);
+   if (_views) {
+      for (i = 0; i < num; i++)
+         unwrapped_views[i] = identity_sampler_view_unwrap(_views[i]);
       for (; i < PIPE_MAX_SAMPLERS; i++)
-         unwrapped_textures[i] = NULL;
+         unwrapped_views[i] = NULL;
 
-      textures = unwrapped_textures;
+      views = unwrapped_views;
    }
 
-   pipe->set_fragment_sampler_textures(pipe,
-                                       num_textures,
-                                       textures);
+   pipe->set_fragment_sampler_views(pipe, num, views);
 }
 
 static void
-identity_set_vertex_sampler_textures(struct pipe_context *_pipe,
-                                     unsigned num_textures,
-                                     struct pipe_texture **_textures)
+identity_set_vertex_sampler_views(struct pipe_context *_pipe,
+                                  unsigned num,
+                                  struct pipe_sampler_view **_views)
 {
    struct identity_context *id_pipe = identity_context(_pipe);
    struct pipe_context *pipe = id_pipe->pipe;
-   struct pipe_texture *unwrapped_textures[PIPE_MAX_VERTEX_SAMPLERS];
-   struct pipe_texture **textures = NULL;
+   struct pipe_sampler_view *unwrapped_views[PIPE_MAX_VERTEX_SAMPLERS];
+   struct pipe_sampler_view **views = NULL;
    unsigned i;
 
-   if (_textures) {
-      for (i = 0; i < num_textures; i++)
-         unwrapped_textures[i] = identity_texture_unwrap(_textures[i]);
+   if (_views) {
+      for (i = 0; i < num; i++)
+         unwrapped_views[i] = identity_sampler_view_unwrap(_views[i]);
       for (; i < PIPE_MAX_VERTEX_SAMPLERS; i++)
-         unwrapped_textures[i] = NULL;
+         unwrapped_views[i] = NULL;
 
-      textures = unwrapped_textures;
+      views = unwrapped_views;
    }
 
-   pipe->set_vertex_sampler_textures(pipe,
-                                     num_textures,
-                                     textures);
+   pipe->set_vertex_sampler_views(pipe, num, views);
 }
 
 static void
@@ -741,8 +737,8 @@ identity_context_create(struct pipe_screen *_screen, struct pipe_context *pipe)
    id_pipe->base.set_polygon_stipple = identity_set_polygon_stipple;
    id_pipe->base.set_scissor_state = identity_set_scissor_state;
    id_pipe->base.set_viewport_state = identity_set_viewport_state;
-   id_pipe->base.set_fragment_sampler_textures = identity_set_fragment_sampler_textures;
-   id_pipe->base.set_vertex_sampler_textures = identity_set_vertex_sampler_textures;
+   id_pipe->base.set_fragment_sampler_views = identity_set_fragment_sampler_views;
+   id_pipe->base.set_vertex_sampler_views = identity_set_vertex_sampler_views;
    id_pipe->base.set_vertex_buffers = identity_set_vertex_buffers;
    id_pipe->base.set_vertex_elements = identity_set_vertex_elements;
    id_pipe->base.surface_copy = identity_surface_copy;
diff --git a/src/gallium/drivers/identity/id_objects.h b/src/gallium/drivers/identity/id_objects.h
index 77cc7190798..b48df83b3ed 100644
--- a/src/gallium/drivers/identity/id_objects.h
+++ b/src/gallium/drivers/identity/id_objects.h
@@ -52,6 +52,14 @@ struct identity_texture
 };
 
 
+struct identity_sampler_view
+{
+   struct pipe_sampler_view base;
+
+   struct pipe_sampler_view *sampler_view;
+};
+
+
 struct identity_surface
 {
    struct pipe_surface base;
@@ -94,6 +102,15 @@ identity_texture(struct pipe_texture *_texture)
    return (struct identity_texture *)_texture;
 }
 
+static INLINE struct identity_sampler_view *
+identity_sampler_view(struct pipe_sampler_view *_sampler_view)
+{
+   if (!_sampler_view) {
+      return NULL;
+   }
+   return (struct identity_sampler_view *)_sampler_view;
+}
+
 static INLINE struct identity_surface *
 identity_surface(struct pipe_surface *_surface)
 {
@@ -138,6 +155,15 @@ identity_texture_unwrap(struct pipe_texture *_texture)
    return identity_texture(_texture)->texture;
 }
 
+static INLINE struct pipe_sampler_view *
+identity_sampler_view_unwrap(struct pipe_sampler_view *_sampler_view)
+{
+   if (!_sampler_view) {
+      return NULL;
+   }
+   return identity_sampler_view(_sampler_view)->sampler_view;
+}
+
 static INLINE struct pipe_surface *
 identity_surface_unwrap(struct pipe_surface *_surface)
 {