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path: root/src/mesa/pipe/softpipe/sp_texture.h
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Diffstat (limited to 'src/mesa/pipe/softpipe/sp_texture.h')
-rw-r--r--src/mesa/pipe/softpipe/sp_texture.h39
1 files changed, 39 insertions, 0 deletions
diff --git a/src/mesa/pipe/softpipe/sp_texture.h b/src/mesa/pipe/softpipe/sp_texture.h
index 2aca57bd1d..732064d986 100644
--- a/src/mesa/pipe/softpipe/sp_texture.h
+++ b/src/mesa/pipe/softpipe/sp_texture.h
@@ -6,6 +6,45 @@ struct pipe_context;
struct pipe_texture;
+struct softpipe_texture
+{
+ struct pipe_texture base;
+
+ /* Derived from the above:
+ */
+ unsigned pitch;
+ unsigned depth_pitch; /* per-image on i945? */
+ unsigned total_height;
+
+ unsigned nr_images[PIPE_MAX_TEXTURE_LEVELS];
+
+ /* Explicitly store the offset of each image for each cube face or
+ * depth value. Pretty much have to accept that hardware formats
+ * are going to be so diverse that there is no unified way to
+ * compute the offsets of depth/cube images within a mipmap level,
+ * so have to store them as a lookup table:
+ */
+ unsigned *image_offset[PIPE_MAX_TEXTURE_LEVELS]; /**< array [depth] of offsets */
+
+ /* Includes image offset tables:
+ */
+ unsigned long level_offset[PIPE_MAX_TEXTURE_LEVELS];
+
+ /* The data is held here:
+ */
+ struct pipe_buffer_handle *buffer;
+};
+
+
+/** cast wrapper */
+static INLINE struct softpipe_texture *
+softpipe_texture(struct pipe_texture *pt)
+{
+ return (struct softpipe_texture *) pt;
+}
+
+
+
extern void
softpipe_texture_create(struct pipe_context *pipe, struct pipe_texture **pt);