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