1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
|
/*
* Mesa 3-D graphics library
* Version: 7.1
*
* Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
*
* 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
* BRIAN PAUL 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 IMAGE_H
#define IMAGE_H
#include "mtypes.h"
extern void
_mesa_swap2( GLushort *p, GLuint n );
extern void
_mesa_swap4( GLuint *p, GLuint n );
extern GLboolean
_mesa_type_is_packed(GLenum type);
extern GLint
_mesa_sizeof_type( GLenum type );
extern GLint
_mesa_sizeof_packed_type( GLenum type );
extern GLint
_mesa_components_in_format( GLenum format );
extern GLint
_mesa_bytes_per_pixel( GLenum format, GLenum type );
extern GLboolean
_mesa_is_legal_format_and_type( struct gl_context *ctx, GLenum format, GLenum type );
extern GLboolean
_mesa_is_color_format(GLenum format);
extern GLboolean
_mesa_is_index_format(GLenum format);
extern GLboolean
_mesa_is_depth_format(GLenum format);
extern GLboolean
_mesa_is_stencil_format(GLenum format);
extern GLboolean
_mesa_is_ycbcr_format(GLenum format);
extern GLboolean
_mesa_is_depthstencil_format(GLenum format);
extern GLboolean
_mesa_is_depth_or_stencil_format(GLenum format);
extern GLboolean
_mesa_is_dudv_format(GLenum format);
extern GLboolean
_mesa_is_integer_format(GLenum format);
extern GLboolean
_mesa_is_compressed_format(struct gl_context *ctx, GLenum format);
extern GLvoid *
_mesa_image_address( GLuint dimensions,
const struct gl_pixelstore_attrib *packing,
const GLvoid *image,
GLsizei width, GLsizei height,
GLenum format, GLenum type,
GLint img, GLint row, GLint column );
extern GLvoid *
_mesa_image_address1d( const struct gl_pixelstore_attrib *packing,
const GLvoid *image,
GLsizei width,
GLenum format, GLenum type,
GLint column );
extern GLvoid *
_mesa_image_address2d( const struct gl_pixelstore_attrib *packing,
const GLvoid *image,
GLsizei width, GLsizei height,
GLenum format, GLenum type,
GLint row, GLint column );
extern GLvoid *
_mesa_image_address3d( const struct gl_pixelstore_attrib *packing,
const GLvoid *image,
GLsizei width, GLsizei height,
GLenum format, GLenum type,
GLint img, GLint row, GLint column );
extern GLint
_mesa_image_row_stride( const struct gl_pixelstore_attrib *packing,
GLint width, GLenum format, GLenum type );
extern GLint
_mesa_image_image_stride( const struct gl_pixelstore_attrib *packing,
GLint width, GLint height,
GLenum format, GLenum type );
extern void
_mesa_unpack_polygon_stipple( const GLubyte *pattern, GLuint dest[32],
const struct gl_pixelstore_attrib *unpacking );
extern void
_mesa_pack_polygon_stipple( const GLuint pattern[32], GLubyte *dest,
const struct gl_pixelstore_attrib *packing );
extern GLvoid *
_mesa_unpack_bitmap( GLint width, GLint height, const GLubyte *pixels,
const struct gl_pixelstore_attrib *packing );
extern void
_mesa_pack_bitmap( GLint width, GLint height, const GLubyte *source,
GLubyte *dest, const struct gl_pixelstore_attrib *packing );
extern void
_mesa_expand_bitmap(GLsizei width, GLsizei height,
const struct gl_pixelstore_attrib *unpack,
const GLubyte *bitmap,
GLubyte *destBuffer, GLint destStride,
GLubyte onValue);
/** \name Pixel processing functions */
/*@{*/
extern void
_mesa_scale_and_bias_rgba(GLuint n, GLfloat rgba[][4],
GLfloat rScale, GLfloat gScale,
GLfloat bScale, GLfloat aScale,
GLfloat rBias, GLfloat gBias,
GLfloat bBias, GLfloat aBias);
extern void
_mesa_map_rgba(const struct gl_context *ctx, GLuint n, GLfloat rgba[][4]);
extern void
_mesa_lookup_rgba_float(const struct gl_color_table *table,
GLuint n, GLfloat rgba[][4]);
extern void
_mesa_lookup_rgba_ubyte(const struct gl_color_table *table,
GLuint n, GLubyte rgba[][4]);
extern void
_mesa_map_ci_to_rgba(const struct gl_context *ctx,
GLuint n, const GLuint index[], GLfloat rgba[][4]);
extern void
_mesa_map_ci8_to_rgba8(const struct gl_context *ctx, GLuint n, const GLubyte index[],
GLubyte rgba[][4]);
extern void
_mesa_scale_and_bias_depth(const struct gl_context *ctx, GLuint n,
GLfloat depthValues[]);
extern void
_mesa_scale_and_bias_depth_uint(const struct gl_context *ctx, GLuint n,
GLuint depthValues[]);
extern void
_mesa_apply_rgba_transfer_ops(struct gl_context *ctx, GLbitfield transferOps,
GLuint n, GLfloat rgba[][4]);
extern void
_mesa_apply_ci_transfer_ops(const struct gl_context *ctx, GLbitfield transferOps,
GLuint n, GLuint indexes[]);
extern void
_mesa_apply_stencil_transfer_ops(const struct gl_context *ctx, GLuint n,
GLstencil stencil[]);
extern void
_mesa_pack_rgba_span_float( struct gl_context *ctx, GLuint n, GLfloat rgba[][4],
GLenum dstFormat, GLenum dstType, GLvoid *dstAddr,
const struct gl_pixelstore_attrib *dstPacking,
GLbitfield transferOps );
extern void
_mesa_unpack_color_span_chan( struct gl_context *ctx,
GLuint n, GLenum dstFormat, GLchan dest[],
GLenum srcFormat, GLenum srcType,
const GLvoid *source,
const struct gl_pixelstore_attrib *srcPacking,
GLbitfield transferOps );
extern void
_mesa_unpack_color_span_float( struct gl_context *ctx,
GLuint n, GLenum dstFormat, GLfloat dest[],
GLenum srcFormat, GLenum srcType,
const GLvoid *source,
const struct gl_pixelstore_attrib *srcPacking,
GLbitfield transferOps );
extern void
_mesa_unpack_dudv_span_byte( struct gl_context *ctx,
GLuint n, GLenum dstFormat, GLbyte dest[],
GLenum srcFormat, GLenum srcType,
const GLvoid *source,
const struct gl_pixelstore_attrib *srcPacking,
GLbitfield transferOps );
extern void
_mesa_unpack_index_span( const struct gl_context *ctx, GLuint n,
GLenum dstType, GLvoid *dest,
GLenum srcType, const GLvoid *source,
const struct gl_pixelstore_attrib *srcPacking,
GLbitfield transferOps );
extern void
_mesa_pack_index_span( const struct gl_context *ctx, GLuint n,
GLenum dstType, GLvoid *dest, const GLuint *source,
const struct gl_pixelstore_attrib *dstPacking,
GLbitfield transferOps );
extern void
_mesa_unpack_stencil_span( const struct gl_context *ctx, GLuint n,
GLenum dstType, GLvoid *dest,
GLenum srcType, const GLvoid *source,
const struct gl_pixelstore_attrib *srcPacking,
GLbitfield transferOps );
extern void
_mesa_pack_stencil_span( const struct gl_context *ctx, GLuint n,
GLenum dstType, GLvoid *dest, const GLstencil *source,
const struct gl_pixelstore_attrib *dstPacking );
extern void
_mesa_unpack_depth_span( const struct gl_context *ctx, GLuint n,
GLenum dstType, GLvoid *dest, GLuint depthMax,
GLenum srcType, const GLvoid *source,
const struct gl_pixelstore_attrib *srcPacking );
extern void
_mesa_pack_depth_span( const struct gl_context *ctx, GLuint n, GLvoid *dest,
GLenum dstType, const GLfloat *depthSpan,
const struct gl_pixelstore_attrib *dstPacking );
extern void
_mesa_pack_depth_stencil_span(const struct gl_context *ctx, GLuint n, GLuint *dest,
const GLfloat *depthVals,
const GLstencil *stencilVals,
const struct gl_pixelstore_attrib *dstPacking);
extern void *
_mesa_unpack_image( GLuint dimensions,
GLsizei width, GLsizei height, GLsizei depth,
GLenum format, GLenum type, const GLvoid *pixels,
const struct gl_pixelstore_attrib *unpack );
extern void
_mesa_convert_colors(GLenum srcType, const GLvoid *src,
GLenum dstType, GLvoid *dst,
GLuint count, const GLubyte mask[]);
extern GLboolean
_mesa_clip_drawpixels(const struct gl_context *ctx,
GLint *destX, GLint *destY,
GLsizei *width, GLsizei *height,
struct gl_pixelstore_attrib *unpack);
extern GLboolean
_mesa_clip_readpixels(const struct gl_context *ctx,
GLint *srcX, GLint *srcY,
GLsizei *width, GLsizei *height,
struct gl_pixelstore_attrib *pack);
extern GLboolean
_mesa_clip_copytexsubimage(const struct gl_context *ctx,
GLint *destX, GLint *destY,
GLint *srcX, GLint *srcY,
GLsizei *width, GLsizei *height);
extern GLboolean
_mesa_clip_to_region(GLint xmin, GLint ymin,
GLint xmax, GLint ymax,
GLint *x, GLint *y,
GLsizei *width, GLsizei *height );
extern GLboolean
_mesa_clip_blit(struct gl_context *ctx,
GLint *srcX0, GLint *srcY0, GLint *srcX1, GLint *srcY1,
GLint *dstX0, GLint *dstY0, GLint *dstX1, GLint *dstY1);
#endif
|
