mesa: Add the format enums for BPTC-compressed images

[mesa.git] / src / mesa / state_tracker / st_texture.h

diff --git a/src/mesa/state_tracker/st_texture.h b/src/mesa/state_tracker/st_texture.h
index 87de9f9f2f4e2986a69bed21435ffcaa126b5998..ce1cf8b0a94b8d0c9f57a72d7bcb96afc1906d26 100644 (file)
--- a/src/mesa/state_tracker/st_texture.h
+++ b/src/mesa/state_tracker/st_texture.h
@@ -38,6 +38,16 @@
 struct pipe_resource;
 
 
+struct st_texture_image_transfer {
+   struct pipe_transfer *transfer;
+
+   /* For ETC fallback. */
+   GLubyte *temp_data; /**< Temporary ETC texture storage. */
+   unsigned temp_stride; /**< Stride of the ETC texture storage. */
+   GLubyte *map; /**< Saved map pointer of the uncompressed transfer. */
+};
+
+
 /**
  * Subclass of gl_texure_image.
  */
@@ -56,7 +66,11 @@ struct st_texture_image
     */
    struct pipe_resource *pt;
 
-   struct pipe_transfer *transfer;
+   /* List of transfers, allocated on demand.
+    * transfer[layer] is a mapping for that layer.
+    */
+   struct st_texture_image_transfer *transfer;
+   unsigned num_transfers;
 };
 
 
@@ -185,7 +199,8 @@ st_gl_texture_dims_to_pipe_dims(GLenum texture,
 /* Check if an image fits into an existing texture object.
  */
 extern GLboolean
-st_texture_match_image(const struct pipe_resource *pt,
+st_texture_match_image(struct st_context *st,
+                       const struct pipe_resource *pt,
                        const struct gl_texture_image *image);
 
 /* Return a pointer to an image within a texture.  Return image stride as
@@ -195,11 +210,12 @@ extern GLubyte *
 st_texture_image_map(struct st_context *st, struct st_texture_image *stImage,
                      enum pipe_transfer_usage usage,
                      GLuint x, GLuint y, GLuint z,
-                     GLuint w, GLuint h, GLuint d);
+                     GLuint w, GLuint h, GLuint d,
+                     struct pipe_transfer **transfer);
 
 extern void
 st_texture_image_unmap(struct st_context *st,
-                       struct st_texture_image *stImage);
+                       struct st_texture_image *stImage, unsigned slice);
 
 
 /* Return pointers to each 2d slice within an image.  Indexed by depth
@@ -241,4 +257,7 @@ st_texture_release_sampler_view(struct st_context *st,
 extern void
 st_texture_release_all_sampler_views(struct st_texture_object *stObj);
 
+void
+st_texture_free_sampler_views(struct st_texture_object *stObj);
+
 #endif