image.h revision 7117f1b4
10bb88ba4Smrg/* 20bb88ba4Smrg * Mesa 3-D graphics library 30bb88ba4Smrg * Version: 6.5.2 40bb88ba4Smrg * 50bb88ba4Smrg * Copyright (C) 1999-2006 Brian Paul All Rights Reserved. 60bb88ba4Smrg * 70bb88ba4Smrg * Permission is hereby granted, free of charge, to any person obtaining a 80bb88ba4Smrg * copy of this software and associated documentation files (the "Software"), 90bb88ba4Smrg * to deal in the Software without restriction, including without limitation 100bb88ba4Smrg * the rights to use, copy, modify, merge, publish, distribute, sublicense, 110bb88ba4Smrg * and/or sell copies of the Software, and to permit persons to whom the 120bb88ba4Smrg * Software is furnished to do so, subject to the following conditions: 130bb88ba4Smrg * 140bb88ba4Smrg * The above copyright notice and this permission notice shall be included 150bb88ba4Smrg * in all copies or substantial portions of the Software. 160bb88ba4Smrg * 170bb88ba4Smrg * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 180bb88ba4Smrg * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 190bb88ba4Smrg * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 200bb88ba4Smrg * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN 210bb88ba4Smrg * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 220bb88ba4Smrg * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 230bb88ba4Smrg */ 240bb88ba4Smrg 250bb88ba4Smrg 260bb88ba4Smrg#ifndef IMAGE_H 270bb88ba4Smrg#define IMAGE_H 280bb88ba4Smrg 290bb88ba4Smrg 300bb88ba4Smrg#include "mtypes.h" 310bb88ba4Smrg 320bb88ba4Smrg 330bb88ba4Smrgextern void 340bb88ba4Smrg_mesa_swap2( GLushort *p, GLuint n ); 350bb88ba4Smrg 360bb88ba4Smrgextern void 370bb88ba4Smrg_mesa_swap4( GLuint *p, GLuint n ); 380bb88ba4Smrg 390bb88ba4Smrgextern GLint 400bb88ba4Smrg_mesa_sizeof_type( GLenum type ); 410bb88ba4Smrg 420bb88ba4Smrgextern GLint 430bb88ba4Smrg_mesa_sizeof_packed_type( GLenum type ); 440bb88ba4Smrg 450bb88ba4Smrgextern GLint 460bb88ba4Smrg_mesa_components_in_format( GLenum format ); 470bb88ba4Smrg 480bb88ba4Smrgextern GLint 490bb88ba4Smrg_mesa_bytes_per_pixel( GLenum format, GLenum type ); 500bb88ba4Smrg 510bb88ba4Smrgextern GLboolean 520bb88ba4Smrg_mesa_is_legal_format_and_type( GLcontext *ctx, GLenum format, GLenum type ); 530bb88ba4Smrg 540bb88ba4Smrg 550bb88ba4Smrgextern GLvoid * 560bb88ba4Smrg_mesa_image_address( GLuint dimensions, 570bb88ba4Smrg const struct gl_pixelstore_attrib *packing, 580bb88ba4Smrg const GLvoid *image, 590bb88ba4Smrg GLsizei width, GLsizei height, 600bb88ba4Smrg GLenum format, GLenum type, 610bb88ba4Smrg GLint img, GLint row, GLint column ); 620bb88ba4Smrg 630bb88ba4Smrgextern GLvoid * 640bb88ba4Smrg_mesa_image_address1d( const struct gl_pixelstore_attrib *packing, 650bb88ba4Smrg const GLvoid *image, 660bb88ba4Smrg GLsizei width, 670bb88ba4Smrg GLenum format, GLenum type, 680bb88ba4Smrg GLint column ); 690bb88ba4Smrg 700bb88ba4Smrgextern GLvoid * 710bb88ba4Smrg_mesa_image_address2d( const struct gl_pixelstore_attrib *packing, 720bb88ba4Smrg const GLvoid *image, 730bb88ba4Smrg GLsizei width, GLsizei height, 740bb88ba4Smrg GLenum format, GLenum type, 750bb88ba4Smrg GLint row, GLint column ); 760bb88ba4Smrg 770bb88ba4Smrgextern GLvoid * 78ee82cb62Smrg_mesa_image_address3d( const struct gl_pixelstore_attrib *packing, 79ee82cb62Smrg const GLvoid *image, 80ee82cb62Smrg GLsizei width, GLsizei height, 81ee82cb62Smrg GLenum format, GLenum type, 820bb88ba4Smrg GLint img, GLint row, GLint column ); 830bb88ba4Smrg 84ee82cb62Smrg 850bb88ba4Smrgextern GLint 860bb88ba4Smrg_mesa_image_row_stride( const struct gl_pixelstore_attrib *packing, 870bb88ba4Smrg GLint width, GLenum format, GLenum type ); 880bb88ba4Smrg 890bb88ba4Smrg 900bb88ba4Smrgextern GLint 910bb88ba4Smrg_mesa_image_image_stride( const struct gl_pixelstore_attrib *packing, 920bb88ba4Smrg GLint width, GLint height, 930bb88ba4Smrg GLenum format, GLenum type ); 940bb88ba4Smrg 950bb88ba4Smrgextern void 960bb88ba4Smrg_mesa_unpack_polygon_stipple( const GLubyte *pattern, GLuint dest[32], 970bb88ba4Smrg const struct gl_pixelstore_attrib *unpacking ); 980bb88ba4Smrg 990bb88ba4Smrg 1000bb88ba4Smrgextern void 1010bb88ba4Smrg_mesa_pack_polygon_stipple( const GLuint pattern[32], GLubyte *dest, 1020bb88ba4Smrg const struct gl_pixelstore_attrib *packing ); 1030bb88ba4Smrg 1040bb88ba4Smrg 105extern GLvoid * 106_mesa_unpack_bitmap( GLint width, GLint height, const GLubyte *pixels, 107 const struct gl_pixelstore_attrib *packing ); 108 109extern void 110_mesa_pack_bitmap( GLint width, GLint height, const GLubyte *source, 111 GLubyte *dest, const struct gl_pixelstore_attrib *packing ); 112 113 114extern void 115_mesa_apply_rgba_transfer_ops(GLcontext *ctx, GLbitfield transferOps, 116 GLuint n, GLfloat rgba[][4]); 117 118 119extern void 120_mesa_apply_ci_transfer_ops(const GLcontext *ctx, GLbitfield transferOps, 121 GLuint n, GLuint indexes[]); 122 123 124extern void 125_mesa_apply_stencil_transfer_ops(const GLcontext *ctx, GLuint n, 126 GLstencil stencil[]); 127 128 129extern void 130_mesa_pack_rgba_span_float( GLcontext *ctx, GLuint n, GLfloat rgba[][4], 131 GLenum dstFormat, GLenum dstType, GLvoid *dstAddr, 132 const struct gl_pixelstore_attrib *dstPacking, 133 GLbitfield transferOps ); 134 135 136extern void 137_mesa_unpack_color_span_chan( GLcontext *ctx, 138 GLuint n, GLenum dstFormat, GLchan dest[], 139 GLenum srcFormat, GLenum srcType, 140 const GLvoid *source, 141 const struct gl_pixelstore_attrib *srcPacking, 142 GLbitfield transferOps ); 143 144 145extern void 146_mesa_unpack_color_span_float( GLcontext *ctx, 147 GLuint n, GLenum dstFormat, GLfloat dest[], 148 GLenum srcFormat, GLenum srcType, 149 const GLvoid *source, 150 const struct gl_pixelstore_attrib *srcPacking, 151 GLbitfield transferOps ); 152 153 154extern void 155_mesa_unpack_index_span( const GLcontext *ctx, GLuint n, 156 GLenum dstType, GLvoid *dest, 157 GLenum srcType, const GLvoid *source, 158 const struct gl_pixelstore_attrib *srcPacking, 159 GLbitfield transferOps ); 160 161 162extern void 163_mesa_pack_index_span( const GLcontext *ctx, GLuint n, 164 GLenum dstType, GLvoid *dest, const GLuint *source, 165 const struct gl_pixelstore_attrib *dstPacking, 166 GLbitfield transferOps ); 167 168 169extern void 170_mesa_unpack_stencil_span( const GLcontext *ctx, GLuint n, 171 GLenum dstType, GLvoid *dest, 172 GLenum srcType, const GLvoid *source, 173 const struct gl_pixelstore_attrib *srcPacking, 174 GLbitfield transferOps ); 175 176extern void 177_mesa_pack_stencil_span( const GLcontext *ctx, GLuint n, 178 GLenum dstType, GLvoid *dest, const GLstencil *source, 179 const struct gl_pixelstore_attrib *dstPacking ); 180 181 182extern void 183_mesa_unpack_depth_span( const GLcontext *ctx, GLuint n, 184 GLenum dstType, GLvoid *dest, GLfloat depthScale, 185 GLenum srcType, const GLvoid *source, 186 const struct gl_pixelstore_attrib *srcPacking ); 187 188extern void 189_mesa_pack_depth_span( const GLcontext *ctx, GLuint n, GLvoid *dest, 190 GLenum dstType, const GLfloat *depthSpan, 191 const struct gl_pixelstore_attrib *dstPacking ); 192 193 194extern void 195_mesa_pack_depth_stencil_span(const GLcontext *ctx, GLuint n, GLuint *dest, 196 const GLfloat *depthVals, 197 const GLstencil *stencilVals, 198 const struct gl_pixelstore_attrib *dstPacking); 199 200 201extern void * 202_mesa_unpack_image( GLuint dimensions, 203 GLsizei width, GLsizei height, GLsizei depth, 204 GLenum format, GLenum type, const GLvoid *pixels, 205 const struct gl_pixelstore_attrib *unpack ); 206 207 208extern void 209_mesa_convert_colors(GLenum srcType, const GLvoid *src, 210 GLenum dstType, GLvoid *dst, 211 GLuint count, const GLubyte mask[]); 212 213 214extern GLboolean 215_mesa_clip_drawpixels(const GLcontext *ctx, 216 GLint *destX, GLint *destY, 217 GLsizei *width, GLsizei *height, 218 struct gl_pixelstore_attrib *unpack); 219 220 221extern GLboolean 222_mesa_clip_readpixels(const GLcontext *ctx, 223 GLint *destX, GLint *destY, 224 GLsizei *width, GLsizei *height, 225 struct gl_pixelstore_attrib *pack); 226 227extern GLboolean 228_mesa_clip_to_region(GLint xmin, GLint ymin, 229 GLint xmax, GLint ymax, 230 GLint *x, GLint *y, 231 GLsizei *width, GLsizei *height ); 232 233#endif 234