Lift intel_mipmap_tree.c to st_mipmap_tree.c

1 files changed, 105 insertions, 0 deletions

diff --git a/src/mesa/state_tracker/st_mipmap_tree.h b/src/mesa/state_tracker/st_mipmap_tree.h
new file mode 100644
index 0000000000..eafe47c029
--- /dev/null
+++ b/src/mesa/state_tracker/st_mipmap_tree.h
@@ -0,0 +1,105 @@
+/**************************************************************************
+ * 
+ * Copyright 2006 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ * 
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ * 
+ **************************************************************************/
+
+#ifndef INTEL_MIPMAP_TREE_H
+#define INTEL_MIPMAP_TREE_H
+
+
+#include "main/mtypes.h"
+
+struct pipe_context;
+struct pipe_mipmap_tree;
+struct pipe_region;
+
+
+struct pipe_mipmap_tree *st_miptree_create(struct pipe_context *pipe,
+                                               GLenum target,
+                                               GLenum internal_format,
+                                               GLuint first_level,
+                                               GLuint last_level,
+                                               GLuint width0,
+                                               GLuint height0,
+                                               GLuint depth0,
+                                               GLuint cpp,
+                                               GLuint compress_byte);
+
+void st_miptree_reference(struct pipe_mipmap_tree **dst,
+                             struct pipe_mipmap_tree *src);
+
+void st_miptree_release(struct pipe_context *pipe,
+                           struct pipe_mipmap_tree **mt);
+
+/* Check if an image fits an existing mipmap tree layout
+ */
+GLboolean st_miptree_match_image(struct pipe_mipmap_tree *mt,
+                                    struct gl_texture_image *image,
+                                    GLuint face, GLuint level);
+
+/* Return a pointer to an image within a tree.  Return image stride as
+ * well.
+ */
+GLubyte *st_miptree_image_map(struct pipe_context *pipe,
+                                 struct pipe_mipmap_tree *mt,
+                                 GLuint face,
+                                 GLuint level,
+                                 GLuint * row_stride, GLuint * image_stride);
+
+void st_miptree_image_unmap(struct pipe_context *pipe,
+                               struct pipe_mipmap_tree *mt);
+
+
+/* Return the linear offset of an image relative to the start of the
+ * tree:
+ */
+GLuint st_miptree_image_offset(struct pipe_mipmap_tree *mt,
+                               GLuint face, GLuint level);
+
+/* Return pointers to each 2d slice within an image.  Indexed by depth
+ * value.
+ */
+const GLuint *st_miptree_depth_offsets(struct pipe_mipmap_tree *mt,
+                                       GLuint level);
+
+
+/* Upload an image into a tree
+ */
+void st_miptree_image_data(struct pipe_context *pipe,
+                              struct pipe_mipmap_tree *dst,
+                              GLuint face,
+                              GLuint level,
+                              void *src,
+                              GLuint src_row_pitch, GLuint src_image_pitch);
+
+/* Copy an image between two trees
+ */
+void st_miptree_image_copy(struct pipe_context *pipe,
+                              struct pipe_mipmap_tree *dst,
+                              GLuint face, GLuint level,
+                              struct pipe_mipmap_tree *src);
+
+
+#endif