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/*
* Mesa 3-D graphics library
* Version: 7.1
*
* Copyright (C) 1999-2008 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 IMAGE_H
#define IMAGE_H
#include "glheader.h"
struct gl_context;
struct gl_pixelstore_attrib;
extern void
_mesa_swap2( GLushort *p, GLuint n );
extern void
_mesa_swap4( GLuint *p, GLuint n );
extern GLintptr
_mesa_image_offset( GLuint dimensions,
const struct gl_pixelstore_attrib *packing,
GLsizei width, GLsizei height,
GLenum format, GLenum type,
GLint img, GLint row, GLint column );
extern GLvoid *
_mesa_image_address( GLuint dimensions,
const struct gl_pixelstore_attrib *packing,
const GLvoid *image,
GLsizei width, GLsizei height,
GLenum format, GLenum type,
GLint img, GLint row, GLint column );
extern GLvoid *
_mesa_image_address1d( const struct gl_pixelstore_attrib *packing,
const GLvoid *image,
GLsizei width,
GLenum format, GLenum type,
GLint column );
extern GLvoid *
_mesa_image_address2d( const struct gl_pixelstore_attrib *packing,
const GLvoid *image,
GLsizei width, GLsizei height,
GLenum format, GLenum type,
GLint row, GLint column );
extern GLvoid *
_mesa_image_address3d( const struct gl_pixelstore_attrib *packing,
const GLvoid *image,
GLsizei width, GLsizei height,
GLenum format, GLenum type,
GLint img, GLint row, GLint column );
extern GLint
_mesa_image_row_stride( const struct gl_pixelstore_attrib *packing,
GLint width, GLenum format, GLenum type );
extern GLint
_mesa_image_image_stride( const struct gl_pixelstore_attrib *packing,
GLint width, GLint height,
GLenum format, GLenum type );
extern void
_mesa_expand_bitmap(GLsizei width, GLsizei height,
const struct gl_pixelstore_attrib *unpack,
const GLubyte *bitmap,
GLubyte *destBuffer, GLint destStride,
GLubyte onValue);
extern void
_mesa_convert_colors(GLenum srcType, const GLvoid *src,
GLenum dstType, GLvoid *dst,
GLuint count, const GLubyte mask[]);
extern GLboolean
_mesa_clip_drawpixels(const struct gl_context *ctx,
GLint *destX, GLint *destY,
GLsizei *width, GLsizei *height,
struct gl_pixelstore_attrib *unpack);
extern GLboolean
_mesa_clip_readpixels(const struct gl_context *ctx,
GLint *srcX, GLint *srcY,
GLsizei *width, GLsizei *height,
struct gl_pixelstore_attrib *pack);
extern GLboolean
_mesa_clip_copytexsubimage(const struct gl_context *ctx,
GLint *destX, GLint *destY,
GLint *srcX, GLint *srcY,
GLsizei *width, GLsizei *height);
extern GLboolean
_mesa_clip_to_region(GLint xmin, GLint ymin,
GLint xmax, GLint ymax,
GLint *x, GLint *y,
GLsizei *width, GLsizei *height );
extern GLboolean
_mesa_clip_blit(struct gl_context *ctx,
GLint *srcX0, GLint *srcY0, GLint *srcX1, GLint *srcY1,
GLint *dstX0, GLint *dstY0, GLint *dstX1, GLint *dstY1);
#endif
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