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/**************************************************************************
*
* Copyright 2007 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 ST_MIPMAP_TREE_H
#define ST_MIPMAP_TREE_H
#include "main/mtypes.h"
struct pipe_context;
struct pipe_mipmap_tree;
struct pipe_region;
extern 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);
extern void
st_miptree_reference(struct pipe_mipmap_tree **dst,
struct pipe_mipmap_tree *src);
extern void
st_miptree_release(struct pipe_context *pipe, struct pipe_mipmap_tree **mt);
/* Check if an image fits an existing mipmap tree layout
*/
extern 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.
*/
extern GLubyte *
st_miptree_image_map(struct pipe_context *pipe,
struct pipe_mipmap_tree *mt,
GLuint face, GLuint level,
GLuint * row_stride, GLuint * image_stride);
extern void
st_miptree_image_unmap(struct pipe_context *pipe,
struct pipe_mipmap_tree *mt);
/* Return pointers to each 2d slice within an image. Indexed by depth
* value.
*/
extern const GLuint *
st_miptree_depth_offsets(struct pipe_mipmap_tree *mt, GLuint level);
/* Return the linear offset of an image relative to the start of the
* tree:
*/
extern GLuint
st_miptree_image_offset(const struct pipe_mipmap_tree *mt,
GLuint face, GLuint level);
extern GLuint
st_miptree_texel_offset(const struct pipe_mipmap_tree * mt,
GLuint face, GLuint level,
GLuint col, GLuint row, GLuint img);
/* Upload an image into a tree
*/
extern 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
*/
extern void
st_miptree_image_copy(struct pipe_context *pipe,
struct pipe_mipmap_tree *dst,
GLuint face, GLuint level,
struct pipe_mipmap_tree *src);
#endif
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