gallium: WIP: Introduce sampler views.

1 files changed, 18 insertions, 0 deletions

diff --git a/src/gallium/include/pipe/p_state.h b/src/gallium/include/pipe/p_state.h
index 5ac5c87813..603848b11f 100644
--- a/src/gallium/include/pipe/p_state.h
+++ b/src/gallium/include/pipe/p_state.h
@@ -310,6 +310,24 @@ struct pipe_surface
 
 
 /**
+ * A view into a texture that can be bound to a shader stage.
+ */
+struct pipe_sampler_view
+{
+   struct pipe_reference reference;
+   enum pipe_format format;      /**< typed PIPE_FORMAT_x */
+   struct pipe_texture *texture; /**< texture into which this is a view  */
+   struct pipe_context *context; /**< context this view belongs to */
+   unsigned first_level:8;       /**< first mipmap level */
+   unsigned num_levels:8;        /**< number of mipamp levels */
+   unsigned swizzle_r:3;         /**< PIPE_SWIZZLE_x for red component */
+   unsigned swizzle_g:3;         /**< PIPE_SWIZZLE_x for green component */
+   unsigned swizzle_b:3;         /**< PIPE_SWIZZLE_x for blue component */
+   unsigned swizzle_a:3;         /**< PIPE_SWIZZLE_x for alpha component */
+};
+
+
+/**
  * Transfer object.  For data transfer to/from a texture.
  */
 struct pipe_transfer