r300g: There is no such thing as "texture stride"

Individual texture images have a stride, but textures as a whole do not.

There are still pieces of code which are confused about this, but the core of
the confusion is hopefully gone.

Signed-off-by: Nicolai Hähnle <[email protected]>

1 files changed, 9 insertions, 2 deletions

diff --git a/src/gallium/drivers/r300/r300_context.h b/src/gallium/drivers/r300/r300_context.h
index 6c5914baa35..52b1c9a6b26 100644
--- a/src/gallium/drivers/r300/r300_context.h
+++ b/src/gallium/drivers/r300/r300_context.h
@@ -184,8 +184,15 @@ struct r300_texture {
     /* Offsets into the buffer. */
     unsigned offset[PIPE_MAX_TEXTURE_LEVELS];
 
-    /* Stride (pitch?) of this texture in bytes */
-    unsigned stride;
+    /**
+     * If non-zero, override the natural texture layout with
+     * a custom stride (in bytes).
+     *
+     * \note Mipmapping fails for textures with a non-natural layout!
+     *
+     * \sa r300_texture_get_stride
+     */
+    unsigned stride_override;
 
     /* Total size of this texture, in bytes. */
     unsigned size;