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/*
* Mesa 3-D graphics library
*
* Copyright (C) 1999-2006 Brian Paul 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, sublicense,
* 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 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 NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS 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 MIPMAP_H
#define MIPMAP_H
#include "glheader.h"
struct gl_context;
struct gl_texture_object;
unsigned
_mesa_compute_num_levels(struct gl_context *ctx,
struct gl_texture_object *texObj,
GLenum target);
extern void
_mesa_generate_mipmap_level(GLenum target,
GLenum datatype, GLuint comps,
GLint border,
GLint srcWidth, GLint srcHeight, GLint srcDepth,
const GLubyte **srcData,
GLint srcRowStride,
GLint dstWidth, GLint dstHeight, GLint dstDepth,
GLubyte **dstData,
GLint dstRowStride);
void
_mesa_prepare_mipmap_levels(struct gl_context *ctx,
struct gl_texture_object *texObj,
unsigned baseLevel, unsigned maxLevel);
extern void
_mesa_generate_mipmap(struct gl_context *ctx, GLenum target,
struct gl_texture_object *texObj);
extern GLboolean
_mesa_next_mipmap_level_size(GLenum target, GLint border,
GLint srcWidth, GLint srcHeight, GLint srcDepth,
GLint *dstWidth, GLint *dstHeight, GLint *dstDepth);
#endif /* MIPMAP_H */
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