1 /* 2 * Mesa 3-D graphics library 3 * Version: 7.1 4 * 5 * Copyright (C) 1999-2008 Brian Paul All Rights Reserved. 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining a 8 * copy of this software and associated documentation files (the "Software"), 9 * to deal in the Software without restriction, including without limitation 10 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 11 * and/or sell copies of the Software, and to permit persons to whom the 12 * Software is furnished to do so, subject to the following conditions: 13 * 14 * The above copyright notice and this permission notice shall be included 15 * in all copies or substantial portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN 21 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 22 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 23 */ 24 25 26 #ifndef IMAGE_H 27 #define IMAGE_H 28 29 30 #include "glheader.h" 31 32 struct gl_context; 33 struct gl_pixelstore_attrib; 34 35 extern void 36 _mesa_swap2( GLushort *p, GLuint n ); 37 38 extern void 39 _mesa_swap4( GLuint *p, GLuint n ); 40 41 extern GLintptr 42 _mesa_image_offset( GLuint dimensions, 43 const struct gl_pixelstore_attrib *packing, 44 GLsizei width, GLsizei height, 45 GLenum format, GLenum type, 46 GLint img, GLint row, GLint column ); 47 48 extern GLvoid * 49 _mesa_image_address( GLuint dimensions, 50 const struct gl_pixelstore_attrib *packing, 51 const GLvoid *image, 52 GLsizei width, GLsizei height, 53 GLenum format, GLenum type, 54 GLint img, GLint row, GLint column ); 55 56 extern GLvoid * 57 _mesa_image_address1d( const struct gl_pixelstore_attrib *packing, 58 const GLvoid *image, 59 GLsizei width, 60 GLenum format, GLenum type, 61 GLint column ); 62 63 extern GLvoid * 64 _mesa_image_address2d( const struct gl_pixelstore_attrib *packing, 65 const GLvoid *image, 66 GLsizei width, GLsizei height, 67 GLenum format, GLenum type, 68 GLint row, GLint column ); 69 70 extern GLvoid * 71 _mesa_image_address3d( const struct gl_pixelstore_attrib *packing, 72 const GLvoid *image, 73 GLsizei width, GLsizei height, 74 GLenum format, GLenum type, 75 GLint img, GLint row, GLint column ); 76 77 78 extern GLint 79 _mesa_image_row_stride( const struct gl_pixelstore_attrib *packing, 80 GLint width, GLenum format, GLenum type ); 81 82 83 extern GLint 84 _mesa_image_image_stride( const struct gl_pixelstore_attrib *packing, 85 GLint width, GLint height, 86 GLenum format, GLenum type ); 87 88 89 extern void 90 _mesa_expand_bitmap(GLsizei width, GLsizei height, 91 const struct gl_pixelstore_attrib *unpack, 92 const GLubyte *bitmap, 93 GLubyte *destBuffer, GLint destStride, 94 GLubyte onValue); 95 96 97 extern void 98 _mesa_convert_colors(GLenum srcType, const GLvoid *src, 99 GLenum dstType, GLvoid *dst, 100 GLuint count, const GLubyte mask[]); 101 102 103 extern GLboolean 104 _mesa_clip_drawpixels(const struct gl_context *ctx, 105 GLint *destX, GLint *destY, 106 GLsizei *width, GLsizei *height, 107 struct gl_pixelstore_attrib *unpack); 108 109 110 extern GLboolean 111 _mesa_clip_readpixels(const struct gl_context *ctx, 112 GLint *srcX, GLint *srcY, 113 GLsizei *width, GLsizei *height, 114 struct gl_pixelstore_attrib *pack); 115 116 extern GLboolean 117 _mesa_clip_copytexsubimage(const struct gl_context *ctx, 118 GLint *destX, GLint *destY, 119 GLint *srcX, GLint *srcY, 120 GLsizei *width, GLsizei *height); 121 122 extern GLboolean 123 _mesa_clip_to_region(GLint xmin, GLint ymin, 124 GLint xmax, GLint ymax, 125 GLint *x, GLint *y, 126 GLsizei *width, GLsizei *height ); 127 128 extern GLboolean 129 _mesa_clip_blit(struct gl_context *ctx, 130 GLint *srcX0, GLint *srcY0, GLint *srcX1, GLint *srcY1, 131 GLint *dstX0, GLint *dstY0, GLint *dstX1, GLint *dstY1); 132 133 134 #endif 135