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/*

 * Mesa 3-D graphics library

 *

 * Copyright (c) 2011 VMware, Inc.

 *

 * 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 FORMAT_UNPACK_H

#define FORMAT_UNPACK_H

extern GLfloat

_mesa_nonlinear_to_linear(GLubyte cs8);

extern void

_mesa_unpack_rgba_row(gl_format format, GLuint n,

                      const void *src, GLfloat dst[][4]);

extern void

_mesa_unpack_ubyte_rgba_row(gl_format format, GLuint n,

                            const void *src, GLubyte dst[][4]);

void

_mesa_unpack_uint_rgba_row(gl_format format, GLuint n,

                           const void *src, GLuint dst[][4]);

extern void

_mesa_unpack_rgba_block(gl_format format,

                        const void *src, GLint srcRowStride,

                        GLfloat dst[][4], GLint dstRowStride,

                        GLuint x, GLuint y, GLuint width, GLuint height);

extern void

_mesa_unpack_float_z_row(gl_format format, GLuint n,

                         const void *src, GLfloat *dst);

void

_mesa_unpack_uint_z_row(gl_format format, GLuint n,

                        const void *src, GLuint *dst);

void

_mesa_unpack_ubyte_stencil_row(gl_format format, GLuint n,

			       const void *src, GLubyte *dst);

void

_mesa_unpack_uint_24_8_depth_stencil_row(gl_format format, GLuint n,

					 const void *src, GLuint *dst);

#endif /* FORMAT_UNPACK_H */