WebSVN - shark - Blame - Rev 1618 - /shark/branches/xen/ports/mesa/src/image.h

Rev	Author	Line No.	Line
55	pj	1	/* $Id: image.h,v 1.1 2003-02-28 11:42:03 pj Exp $ */
		2
		3	/*
		4	* Mesa 3-D graphics library
		5	* Version: 4.1
		6	*
		7	* Copyright (C) 1999-2002 Brian Paul All Rights Reserved.
		8	*
		9	* Permission is hereby granted, free of charge, to any person obtaining a
		10	* copy of this software and associated documentation files (the "Software"),
		11	* to deal in the Software without restriction, including without limitation
		12	* the rights to use, copy, modify, merge, publish, distribute, sublicense,
		13	* and/or sell copies of the Software, and to permit persons to whom the
		14	* Software is furnished to do so, subject to the following conditions:
		15	*
		16	* The above copyright notice and this permission notice shall be included
		17	* in all copies or substantial portions of the Software.
		18	*
		19	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
		20	* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
		21	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
		22	* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
		23	* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
		24	* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
		25	*/
		26
		27
		28	#ifndef IMAGE_H
		29	#define IMAGE_H
		30
		31
		32	#include "mtypes.h"
		33
		34
		35	extern const struct gl_pixelstore_attrib _mesa_native_packing;
		36
		37
		38	extern void
		39	_mesa_swap2( GLushort *p, GLuint n );
		40
		41	extern void
		42	_mesa_swap4( GLuint *p, GLuint n );
		43
		44	extern GLint
		45	_mesa_sizeof_type( GLenum type );
		46
		47	extern GLint
		48	_mesa_sizeof_packed_type( GLenum type );
		49
		50	extern GLint
		51	_mesa_components_in_format( GLenum format );
		52
		53	extern GLint
		54	_mesa_bytes_per_pixel( GLenum format, GLenum type );
		55
		56	extern GLboolean
		57	_mesa_is_legal_format_and_type( GLenum format, GLenum type );
		58
		59
		60	extern GLvoid *
		61	_mesa_image_address( const struct gl_pixelstore_attrib *packing,
		62	const GLvoid *image, GLsizei width,
		63	GLsizei height, GLenum format, GLenum type,
		64	GLint img, GLint row, GLint column );
		65
		66
		67	extern GLint
		68	_mesa_image_row_stride( const struct gl_pixelstore_attrib *packing,
		69	GLint width, GLenum format, GLenum type );
		70
		71
		72	extern GLint
		73	_mesa_image_image_stride( const struct gl_pixelstore_attrib *packing,
		74	GLint width, GLint height,
		75	GLenum format, GLenum type );
		76
		77	extern void
		78	_mesa_unpack_polygon_stipple( const GLubyte *pattern, GLuint dest[32],
		79	const struct gl_pixelstore_attrib *unpacking );
		80
		81
		82	extern void
		83	_mesa_pack_polygon_stipple( const GLuint pattern[32], GLubyte *dest,
		84	const struct gl_pixelstore_attrib *packing );
		85
		86
		87	extern GLvoid *
		88	_mesa_unpack_bitmap( GLint width, GLint height, const GLubyte *pixels,
		89	const struct gl_pixelstore_attrib *packing );
		90
		91	extern void
		92	_mesa_pack_bitmap( GLint width, GLint height, const GLubyte *source,
		93	GLubyte dest, const struct gl_pixelstore_attrib packing );
		94
		95
		96	extern void
		97	_mesa_pack_float_rgba_span( GLcontext *ctx,
		98	GLuint n, CONST GLfloat rgba[][4],
		99	GLenum dstFormat, GLenum dstType, GLvoid *dstAddr,
		100	const struct gl_pixelstore_attrib *dstPacking,
		101	GLuint transferOps );
		102
		103
		104	extern void
		105	_mesa_pack_rgba_span( GLcontext *ctx,
		106	GLuint n, CONST GLchan rgba[][4],
		107	GLenum dstFormat, GLenum dstType, GLvoid *dstAddr,
		108	const struct gl_pixelstore_attrib *dstPacking,
		109	GLuint transferOps );
		110
		111
		112	extern void
		113	_mesa_unpack_chan_color_span( GLcontext *ctx,
		114	GLuint n, GLenum dstFormat, GLchan dest[],
		115	GLenum srcFormat, GLenum srcType,
		116	const GLvoid *source,
		117	const struct gl_pixelstore_attrib *srcPacking,
		118	GLuint transferOps );
		119
		120
		121	extern void
		122	_mesa_unpack_float_color_span( GLcontext *ctx,
		123	GLuint n, GLenum dstFormat, GLfloat dest[],
		124	GLenum srcFormat, GLenum srcType,
		125	const GLvoid *source,
		126	const struct gl_pixelstore_attrib *srcPacking,
		127	GLuint transferOps, GLboolean clamp );
		128
		129
		130	extern void
		131	_mesa_unpack_index_span( const GLcontext *ctx, GLuint n,
		132	GLenum dstType, GLvoid *dest,
		133	GLenum srcType, const GLvoid *source,
		134	const struct gl_pixelstore_attrib *srcPacking,
		135	GLuint transferOps );
		136
		137
		138	extern void
		139	_mesa_pack_index_span( const GLcontext *ctx, GLuint n,
		140	GLenum dstType, GLvoid dest, const GLuint source,
		141	const struct gl_pixelstore_attrib *dstPacking,
		142	GLuint transferOps );
		143
		144
		145	extern void
		146	_mesa_unpack_stencil_span( const GLcontext *ctx, GLuint n,
		147	GLenum dstType, GLvoid *dest,
		148	GLenum srcType, const GLvoid *source,
		149	const struct gl_pixelstore_attrib *srcPacking,
		150	GLuint transferOps );
		151
		152	extern void
		153	_mesa_pack_stencil_span( const GLcontext *ctx, GLuint n,
		154	GLenum dstType, GLvoid dest, const GLstencil source,
		155	const struct gl_pixelstore_attrib *dstPacking );
		156
		157
		158	extern void
		159	_mesa_unpack_depth_span( const GLcontext ctx, GLuint n, GLfloat dest,
		160	GLenum srcType, const GLvoid *source,
		161	const struct gl_pixelstore_attrib *srcPacking );
		162
		163	extern void
		164	_mesa_pack_depth_span( const GLcontext ctx, GLuint n, GLvoid dest,
		165	GLenum dstType, const GLfloat *depthSpan,
		166	const struct gl_pixelstore_attrib *dstPacking );
		167
		168
		169	extern void *
		170	_mesa_unpack_image( GLsizei width, GLsizei height, GLsizei depth,
		171	GLenum format, GLenum type, const GLvoid *pixels,
		172	const struct gl_pixelstore_attrib *unpack );
		173
		174
		175	#endif

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