2 * Mesa 3-D graphics library
4 * Copyright (c) 2011 VMware, Inc.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included
14 * in all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
20 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 #include "format_unpack.h"
28 #include "../../gallium/auxiliary/util/u_format_rgb9e5.h"
29 #include "../../gallium/auxiliary/util/u_format_r11g11b10f.h"
32 /** Helper struct for MESA_FORMAT_Z32_FLOAT_X24S8 */
40 /* Expand 1, 2, 3, 4, 5, 6-bit values to fill 8 bits */
42 #define EXPAND_1_8(X) ( (X) ? 0xff : 0x0 )
44 #define EXPAND_2_8(X) ( ((X) << 6) | ((X) << 4) | ((X) << 2) | (X) )
46 #define EXPAND_3_8(X) ( ((X) << 5) | ((X) << 2) | ((X) >> 1) )
48 #define EXPAND_4_8(X) ( ((X) << 4) | (X) )
50 #define EXPAND_5_8(X) ( ((X) << 3) | ((X) >> 2) )
52 #define EXPAND_6_8(X) ( ((X) << 2) | ((X) >> 4) )
56 * Convert an 8-bit sRGB value from non-linear space to a
57 * linear RGB value in [0, 1].
58 * Implemented with a 256-entry lookup table.
61 nonlinear_to_linear(GLubyte cs8
)
63 static GLfloat table
[256];
64 static GLboolean tableReady
= GL_FALSE
;
66 /* compute lookup table now */
68 for (i
= 0; i
< 256; i
++) {
69 const GLfloat cs
= UBYTE_TO_FLOAT(i
);
71 table
[i
] = cs
/ 12.92f
;
74 table
[i
] = (GLfloat
) pow((cs
+ 0.055) / 1.055, 2.4);
83 /**********************************************************************/
84 /* Unpack, returning GLfloat colors */
85 /**********************************************************************/
87 typedef void (*unpack_rgba_func
)(const void *src
, GLfloat dst
[][4], GLuint n
);
91 unpack_RGBA8888(const void *src
, GLfloat dst
[][4], GLuint n
)
93 const GLuint
*s
= ((const GLuint
*) src
);
95 for (i
= 0; i
< n
; i
++) {
96 dst
[i
][RCOMP
] = UBYTE_TO_FLOAT( (s
[i
] >> 24) );
97 dst
[i
][GCOMP
] = UBYTE_TO_FLOAT( (s
[i
] >> 16) & 0xff );
98 dst
[i
][BCOMP
] = UBYTE_TO_FLOAT( (s
[i
] >> 8) & 0xff );
99 dst
[i
][ACOMP
] = UBYTE_TO_FLOAT( (s
[i
] ) & 0xff );
104 unpack_RGBA8888_REV(const void *src
, GLfloat dst
[][4], GLuint n
)
106 const GLuint
*s
= ((const GLuint
*) src
);
108 for (i
= 0; i
< n
; i
++) {
109 dst
[i
][RCOMP
] = UBYTE_TO_FLOAT( (s
[i
] ) & 0xff );
110 dst
[i
][GCOMP
] = UBYTE_TO_FLOAT( (s
[i
] >> 8) & 0xff );
111 dst
[i
][BCOMP
] = UBYTE_TO_FLOAT( (s
[i
] >> 16) & 0xff );
112 dst
[i
][ACOMP
] = UBYTE_TO_FLOAT( (s
[i
] >> 24) );
117 unpack_ARGB8888(const void *src
, GLfloat dst
[][4], GLuint n
)
119 const GLuint
*s
= ((const GLuint
*) src
);
121 for (i
= 0; i
< n
; i
++) {
122 dst
[i
][RCOMP
] = UBYTE_TO_FLOAT( (s
[i
] >> 16) & 0xff );
123 dst
[i
][GCOMP
] = UBYTE_TO_FLOAT( (s
[i
] >> 8) & 0xff );
124 dst
[i
][BCOMP
] = UBYTE_TO_FLOAT( (s
[i
] ) & 0xff );
125 dst
[i
][ACOMP
] = UBYTE_TO_FLOAT( (s
[i
] >> 24) );
130 unpack_ARGB8888_REV(const void *src
, GLfloat dst
[][4], GLuint n
)
132 const GLuint
*s
= ((const GLuint
*) src
);
134 for (i
= 0; i
< n
; i
++) {
135 dst
[i
][RCOMP
] = UBYTE_TO_FLOAT( (s
[i
] >> 8) & 0xff );
136 dst
[i
][GCOMP
] = UBYTE_TO_FLOAT( (s
[i
] >> 16) & 0xff );
137 dst
[i
][BCOMP
] = UBYTE_TO_FLOAT( (s
[i
] >> 24) );
138 dst
[i
][ACOMP
] = UBYTE_TO_FLOAT( (s
[i
] ) & 0xff );
143 unpack_RGBX8888(const void *src
, GLfloat dst
[][4], GLuint n
)
145 const GLuint
*s
= ((const GLuint
*) src
);
147 for (i
= 0; i
< n
; i
++) {
148 dst
[i
][RCOMP
] = UBYTE_TO_FLOAT( (s
[i
] >> 24) );
149 dst
[i
][GCOMP
] = UBYTE_TO_FLOAT( (s
[i
] >> 16) & 0xff );
150 dst
[i
][BCOMP
] = UBYTE_TO_FLOAT( (s
[i
] >> 8) & 0xff );
151 dst
[i
][ACOMP
] = 1.0f
;
156 unpack_RGBX8888_REV(const void *src
, GLfloat dst
[][4], GLuint n
)
158 const GLuint
*s
= ((const GLuint
*) src
);
160 for (i
= 0; i
< n
; i
++) {
161 dst
[i
][RCOMP
] = UBYTE_TO_FLOAT( (s
[i
] ) & 0xff );
162 dst
[i
][GCOMP
] = UBYTE_TO_FLOAT( (s
[i
] >> 8) & 0xff );
163 dst
[i
][BCOMP
] = UBYTE_TO_FLOAT( (s
[i
] >> 16) & 0xff );
164 dst
[i
][ACOMP
] = 1.0f
;
169 unpack_XRGB8888(const void *src
, GLfloat dst
[][4], GLuint n
)
171 const GLuint
*s
= ((const GLuint
*) src
);
173 for (i
= 0; i
< n
; i
++) {
174 dst
[i
][RCOMP
] = UBYTE_TO_FLOAT( (s
[i
] >> 16) & 0xff );
175 dst
[i
][GCOMP
] = UBYTE_TO_FLOAT( (s
[i
] >> 8) & 0xff );
176 dst
[i
][BCOMP
] = UBYTE_TO_FLOAT( (s
[i
] ) & 0xff );
177 dst
[i
][ACOMP
] = 1.0f
;
182 unpack_XRGB8888_REV(const void *src
, GLfloat dst
[][4], GLuint n
)
184 const GLuint
*s
= ((const GLuint
*) src
);
186 for (i
= 0; i
< n
; i
++) {
187 dst
[i
][RCOMP
] = UBYTE_TO_FLOAT( (s
[i
] >> 8) & 0xff );
188 dst
[i
][GCOMP
] = UBYTE_TO_FLOAT( (s
[i
] >> 16) & 0xff );
189 dst
[i
][BCOMP
] = UBYTE_TO_FLOAT( (s
[i
] >> 24) );
190 dst
[i
][ACOMP
] = 1.0f
;
195 unpack_RGB888(const void *src
, GLfloat dst
[][4], GLuint n
)
197 const GLubyte
*s
= (const GLubyte
*) src
;
199 for (i
= 0; i
< n
; i
++) {
200 dst
[i
][RCOMP
] = UBYTE_TO_FLOAT( s
[i
*3+2] );
201 dst
[i
][GCOMP
] = UBYTE_TO_FLOAT( s
[i
*3+1] );
202 dst
[i
][BCOMP
] = UBYTE_TO_FLOAT( s
[i
*3+0] );
203 dst
[i
][ACOMP
] = 1.0F
;
208 unpack_BGR888(const void *src
, GLfloat dst
[][4], GLuint n
)
210 const GLubyte
*s
= (const GLubyte
*) src
;
212 for (i
= 0; i
< n
; i
++) {
213 dst
[i
][RCOMP
] = UBYTE_TO_FLOAT( s
[i
*3+0] );
214 dst
[i
][GCOMP
] = UBYTE_TO_FLOAT( s
[i
*3+1] );
215 dst
[i
][BCOMP
] = UBYTE_TO_FLOAT( s
[i
*3+2] );
216 dst
[i
][ACOMP
] = 1.0F
;
221 unpack_RGB565(const void *src
, GLfloat dst
[][4], GLuint n
)
223 const GLushort
*s
= ((const GLushort
*) src
);
225 for (i
= 0; i
< n
; i
++) {
226 dst
[i
][RCOMP
] = ((s
[i
] >> 11) & 0x1f) * (1.0F
/ 31.0F
);
227 dst
[i
][GCOMP
] = ((s
[i
] >> 5 ) & 0x3f) * (1.0F
/ 63.0F
);
228 dst
[i
][BCOMP
] = ((s
[i
] ) & 0x1f) * (1.0F
/ 31.0F
);
229 dst
[i
][ACOMP
] = 1.0F
;
234 unpack_RGB565_REV(const void *src
, GLfloat dst
[][4], GLuint n
)
236 const GLushort
*s
= ((const GLushort
*) src
);
238 for (i
= 0; i
< n
; i
++) {
239 GLuint t
= (s
[i
] >> 8) | (s
[i
] << 8); /* byte swap */
240 dst
[i
][RCOMP
] = UBYTE_TO_FLOAT( ((t
>> 8) & 0xf8) | ((t
>> 13) & 0x7) );
241 dst
[i
][GCOMP
] = UBYTE_TO_FLOAT( ((t
>> 3) & 0xfc) | ((t
>> 9) & 0x3) );
242 dst
[i
][BCOMP
] = UBYTE_TO_FLOAT( ((t
<< 3) & 0xf8) | ((t
>> 2) & 0x7) );
243 dst
[i
][ACOMP
] = 1.0F
;
248 unpack_ARGB4444(const void *src
, GLfloat dst
[][4], GLuint n
)
250 const GLushort
*s
= ((const GLushort
*) src
);
252 for (i
= 0; i
< n
; i
++) {
253 dst
[i
][RCOMP
] = ((s
[i
] >> 8) & 0xf) * (1.0F
/ 15.0F
);
254 dst
[i
][GCOMP
] = ((s
[i
] >> 4) & 0xf) * (1.0F
/ 15.0F
);
255 dst
[i
][BCOMP
] = ((s
[i
] ) & 0xf) * (1.0F
/ 15.0F
);
256 dst
[i
][ACOMP
] = ((s
[i
] >> 12) & 0xf) * (1.0F
/ 15.0F
);
261 unpack_ARGB4444_REV(const void *src
, GLfloat dst
[][4], GLuint n
)
263 const GLushort
*s
= ((const GLushort
*) src
);
265 for (i
= 0; i
< n
; i
++) {
266 dst
[i
][RCOMP
] = ((s
[i
] ) & 0xf) * (1.0F
/ 15.0F
);
267 dst
[i
][GCOMP
] = ((s
[i
] >> 12) & 0xf) * (1.0F
/ 15.0F
);
268 dst
[i
][BCOMP
] = ((s
[i
] >> 8) & 0xf) * (1.0F
/ 15.0F
);
269 dst
[i
][ACOMP
] = ((s
[i
] >> 4) & 0xf) * (1.0F
/ 15.0F
);
274 unpack_RGBA5551(const void *src
, GLfloat dst
[][4], GLuint n
)
276 const GLushort
*s
= ((const GLushort
*) src
);
278 for (i
= 0; i
< n
; i
++) {
279 dst
[i
][RCOMP
] = ((s
[i
] >> 11) & 0x1f) * (1.0F
/ 31.0F
);
280 dst
[i
][GCOMP
] = ((s
[i
] >> 6) & 0x1f) * (1.0F
/ 31.0F
);
281 dst
[i
][BCOMP
] = ((s
[i
] >> 1) & 0x1f) * (1.0F
/ 31.0F
);
282 dst
[i
][ACOMP
] = ((s
[i
] ) & 0x01) * 1.0F
;
287 unpack_ARGB1555(const void *src
, GLfloat dst
[][4], GLuint n
)
289 const GLushort
*s
= ((const GLushort
*) src
);
291 for (i
= 0; i
< n
; i
++) {
292 dst
[i
][RCOMP
] = ((s
[i
] >> 10) & 0x1f) * (1.0F
/ 31.0F
);
293 dst
[i
][GCOMP
] = ((s
[i
] >> 5) & 0x1f) * (1.0F
/ 31.0F
);
294 dst
[i
][BCOMP
] = ((s
[i
] >> 0) & 0x1f) * (1.0F
/ 31.0F
);
295 dst
[i
][ACOMP
] = ((s
[i
] >> 15) & 0x01) * 1.0F
;
300 unpack_ARGB1555_REV(const void *src
, GLfloat dst
[][4], GLuint n
)
302 const GLushort
*s
= ((const GLushort
*) src
);
304 for (i
= 0; i
< n
; i
++) {
305 GLushort tmp
= (s
[i
] << 8) | (s
[i
] >> 8); /* byteswap */
306 dst
[i
][RCOMP
] = ((tmp
>> 10) & 0x1f) * (1.0F
/ 31.0F
);
307 dst
[i
][GCOMP
] = ((tmp
>> 5) & 0x1f) * (1.0F
/ 31.0F
);
308 dst
[i
][BCOMP
] = ((tmp
>> 0) & 0x1f) * (1.0F
/ 31.0F
);
309 dst
[i
][ACOMP
] = ((tmp
>> 15) & 0x01) * 1.0F
;
314 unpack_AL44(const void *src
, GLfloat dst
[][4], GLuint n
)
316 const GLubyte
*s
= ((const GLubyte
*) src
);
318 for (i
= 0; i
< n
; i
++) {
321 dst
[i
][BCOMP
] = (s
[i
] & 0xf) * (1.0F
/ 15.0F
);
322 dst
[i
][ACOMP
] = ((s
[i
] >> 4) & 0xf) * (1.0F
/ 15.0F
);
327 unpack_AL88(const void *src
, GLfloat dst
[][4], GLuint n
)
329 const GLushort
*s
= ((const GLushort
*) src
);
331 for (i
= 0; i
< n
; i
++) {
334 dst
[i
][BCOMP
] = UBYTE_TO_FLOAT( s
[i
] & 0xff );
335 dst
[i
][ACOMP
] = UBYTE_TO_FLOAT( s
[i
] >> 8 );
340 unpack_AL88_REV(const void *src
, GLfloat dst
[][4], GLuint n
)
342 const GLushort
*s
= ((const GLushort
*) src
);
344 for (i
= 0; i
< n
; i
++) {
347 dst
[i
][BCOMP
] = UBYTE_TO_FLOAT( s
[i
] >> 8 );
348 dst
[i
][ACOMP
] = UBYTE_TO_FLOAT( s
[i
] & 0xff );
353 unpack_AL1616(const void *src
, GLfloat dst
[][4], GLuint n
)
355 const GLuint
*s
= ((const GLuint
*) src
);
357 for (i
= 0; i
< n
; i
++) {
360 dst
[i
][BCOMP
] = USHORT_TO_FLOAT( s
[i
] & 0xffff );
361 dst
[i
][ACOMP
] = USHORT_TO_FLOAT( s
[i
] >> 16 );
366 unpack_AL1616_REV(const void *src
, GLfloat dst
[][4], GLuint n
)
368 const GLuint
*s
= ((const GLuint
*) src
);
370 for (i
= 0; i
< n
; i
++) {
373 dst
[i
][BCOMP
] = USHORT_TO_FLOAT( s
[i
] >> 16 );
374 dst
[i
][ACOMP
] = USHORT_TO_FLOAT( s
[i
] & 0xffff );
379 unpack_RGB332(const void *src
, GLfloat dst
[][4], GLuint n
)
381 const GLubyte
*s
= ((const GLubyte
*) src
);
383 for (i
= 0; i
< n
; i
++) {
384 dst
[i
][RCOMP
] = ((s
[i
] >> 5) & 0x7) * (1.0F
/ 7.0F
);
385 dst
[i
][GCOMP
] = ((s
[i
] >> 2) & 0x7) * (1.0F
/ 7.0F
);
386 dst
[i
][BCOMP
] = ((s
[i
] ) & 0x3) * (1.0F
/ 3.0F
);
387 dst
[i
][ACOMP
] = 1.0F
;
393 unpack_A8(const void *src
, GLfloat dst
[][4], GLuint n
)
395 const GLubyte
*s
= ((const GLubyte
*) src
);
397 for (i
= 0; i
< n
; i
++) {
400 dst
[i
][BCOMP
] = 0.0F
;
401 dst
[i
][ACOMP
] = UBYTE_TO_FLOAT(s
[i
]);
406 unpack_A16(const void *src
, GLfloat dst
[][4], GLuint n
)
408 const GLushort
*s
= ((const GLushort
*) src
);
410 for (i
= 0; i
< n
; i
++) {
413 dst
[i
][BCOMP
] = 0.0F
;
414 dst
[i
][ACOMP
] = USHORT_TO_FLOAT(s
[i
]);
419 unpack_L8(const void *src
, GLfloat dst
[][4], GLuint n
)
421 const GLubyte
*s
= ((const GLubyte
*) src
);
423 for (i
= 0; i
< n
; i
++) {
426 dst
[i
][BCOMP
] = UBYTE_TO_FLOAT(s
[i
]);
427 dst
[i
][ACOMP
] = 1.0F
;
432 unpack_L16(const void *src
, GLfloat dst
[][4], GLuint n
)
434 const GLushort
*s
= ((const GLushort
*) src
);
436 for (i
= 0; i
< n
; i
++) {
439 dst
[i
][BCOMP
] = USHORT_TO_FLOAT(s
[i
]);
440 dst
[i
][ACOMP
] = 1.0F
;
445 unpack_I8(const void *src
, GLfloat dst
[][4], GLuint n
)
447 const GLubyte
*s
= ((const GLubyte
*) src
);
449 for (i
= 0; i
< n
; i
++) {
453 dst
[i
][ACOMP
] = UBYTE_TO_FLOAT(s
[i
]);
458 unpack_I16(const void *src
, GLfloat dst
[][4], GLuint n
)
460 const GLushort
*s
= ((const GLushort
*) src
);
462 for (i
= 0; i
< n
; i
++) {
466 dst
[i
][ACOMP
] = USHORT_TO_FLOAT(s
[i
]);
471 unpack_YCBCR(const void *src
, GLfloat dst
[][4], GLuint n
)
474 for (i
= 0; i
< n
; i
++) {
475 const GLushort
*src0
= ((const GLushort
*) src
) + i
* 2; /* even */
476 const GLushort
*src1
= src0
+ 1; /* odd */
477 const GLubyte y0
= (*src0
>> 8) & 0xff; /* luminance */
478 const GLubyte cb
= *src0
& 0xff; /* chroma U */
479 const GLubyte y1
= (*src1
>> 8) & 0xff; /* luminance */
480 const GLubyte cr
= *src1
& 0xff; /* chroma V */
481 const GLubyte y
= (i
& 1) ? y1
: y0
; /* choose even/odd luminance */
482 GLfloat r
= 1.164F
* (y
- 16) + 1.596F
* (cr
- 128);
483 GLfloat g
= 1.164F
* (y
- 16) - 0.813F
* (cr
- 128) - 0.391F
* (cb
- 128);
484 GLfloat b
= 1.164F
* (y
- 16) + 2.018F
* (cb
- 128);
485 r
*= (1.0F
/ 255.0F
);
486 g
*= (1.0F
/ 255.0F
);
487 b
*= (1.0F
/ 255.0F
);
488 dst
[i
][RCOMP
] = CLAMP(r
, 0.0F
, 1.0F
);
489 dst
[i
][GCOMP
] = CLAMP(g
, 0.0F
, 1.0F
);
490 dst
[i
][BCOMP
] = CLAMP(b
, 0.0F
, 1.0F
);
491 dst
[i
][ACOMP
] = 1.0F
;
496 unpack_YCBCR_REV(const void *src
, GLfloat dst
[][4], GLuint n
)
499 for (i
= 0; i
< n
; i
++) {
500 const GLushort
*src0
= ((const GLushort
*) src
) + i
* 2; /* even */
501 const GLushort
*src1
= src0
+ 1; /* odd */
502 const GLubyte y0
= *src0
& 0xff; /* luminance */
503 const GLubyte cr
= (*src0
>> 8) & 0xff; /* chroma V */
504 const GLubyte y1
= *src1
& 0xff; /* luminance */
505 const GLubyte cb
= (*src1
>> 8) & 0xff; /* chroma U */
506 const GLubyte y
= (i
& 1) ? y1
: y0
; /* choose even/odd luminance */
507 GLfloat r
= 1.164F
* (y
- 16) + 1.596F
* (cr
- 128);
508 GLfloat g
= 1.164F
* (y
- 16) - 0.813F
* (cr
- 128) - 0.391F
* (cb
- 128);
509 GLfloat b
= 1.164F
* (y
- 16) + 2.018F
* (cb
- 128);
510 r
*= (1.0F
/ 255.0F
);
511 g
*= (1.0F
/ 255.0F
);
512 b
*= (1.0F
/ 255.0F
);
513 dst
[i
][RCOMP
] = CLAMP(r
, 0.0F
, 1.0F
);
514 dst
[i
][GCOMP
] = CLAMP(g
, 0.0F
, 1.0F
);
515 dst
[i
][BCOMP
] = CLAMP(b
, 0.0F
, 1.0F
);
516 dst
[i
][ACOMP
] = 1.0F
;
521 unpack_R8(const void *src
, GLfloat dst
[][4], GLuint n
)
523 const GLubyte
*s
= ((const GLubyte
*) src
);
525 for (i
= 0; i
< n
; i
++) {
526 dst
[i
][0] = UBYTE_TO_FLOAT(s
[i
]);
534 unpack_GR88(const void *src
, GLfloat dst
[][4], GLuint n
)
536 const GLushort
*s
= ((const GLushort
*) src
);
538 for (i
= 0; i
< n
; i
++) {
539 dst
[i
][RCOMP
] = UBYTE_TO_FLOAT( s
[i
] & 0xff );
540 dst
[i
][GCOMP
] = UBYTE_TO_FLOAT( s
[i
] >> 8 );
547 unpack_RG88(const void *src
, GLfloat dst
[][4], GLuint n
)
549 const GLushort
*s
= ((const GLushort
*) src
);
551 for (i
= 0; i
< n
; i
++) {
552 dst
[i
][RCOMP
] = UBYTE_TO_FLOAT( s
[i
] >> 8 );
553 dst
[i
][GCOMP
] = UBYTE_TO_FLOAT( s
[i
] & 0xff );
560 unpack_R16(const void *src
, GLfloat dst
[][4], GLuint n
)
562 const GLushort
*s
= ((const GLushort
*) src
);
564 for (i
= 0; i
< n
; i
++) {
565 dst
[i
][RCOMP
] = USHORT_TO_FLOAT(s
[i
]);
573 unpack_RG1616(const void *src
, GLfloat dst
[][4], GLuint n
)
575 const GLuint
*s
= ((const GLuint
*) src
);
577 for (i
= 0; i
< n
; i
++) {
578 dst
[i
][RCOMP
] = USHORT_TO_FLOAT( s
[i
] & 0xffff );
579 dst
[i
][GCOMP
] = USHORT_TO_FLOAT( s
[i
] >> 16 );
586 unpack_RG1616_REV(const void *src
, GLfloat dst
[][4], GLuint n
)
588 const GLuint
*s
= ((const GLuint
*) src
);
590 for (i
= 0; i
< n
; i
++) {
591 dst
[i
][RCOMP
] = USHORT_TO_FLOAT( s
[i
] >> 16 );
592 dst
[i
][GCOMP
] = USHORT_TO_FLOAT( s
[i
] & 0xffff );
599 unpack_ARGB2101010(const void *src
, GLfloat dst
[][4], GLuint n
)
601 const GLuint
*s
= ((const GLuint
*) src
);
603 for (i
= 0; i
< n
; i
++) {
604 dst
[i
][RCOMP
] = ((s
[i
] >> 20) & 0x3ff) * (1.0F
/ 1023.0F
);
605 dst
[i
][GCOMP
] = ((s
[i
] >> 10) & 0x3ff) * (1.0F
/ 1023.0F
);
606 dst
[i
][BCOMP
] = ((s
[i
] >> 0) & 0x3ff) * (1.0F
/ 1023.0F
);
607 dst
[i
][ACOMP
] = ((s
[i
] >> 30) & 0x03) * (1.0F
/ 3.0F
);
613 unpack_ABGR2101010_UINT(const void *src
, GLfloat dst
[][4], GLuint n
)
615 const GLuint
*s
= ((const GLuint
*) src
);
617 for (i
= 0; i
< n
; i
++) {
618 dst
[i
][RCOMP
] = (GLfloat
)((s
[i
] >> 0) & 0x3ff);
619 dst
[i
][GCOMP
] = (GLfloat
)((s
[i
] >> 10) & 0x3ff);
620 dst
[i
][BCOMP
] = (GLfloat
)((s
[i
] >> 20) & 0x3ff);
621 dst
[i
][ACOMP
] = (GLfloat
)((s
[i
] >> 30) & 0x03);
627 unpack_Z24_S8(const void *src
, GLfloat dst
[][4], GLuint n
)
629 /* only return Z, not stencil data */
630 const GLuint
*s
= ((const GLuint
*) src
);
631 const GLdouble scale
= 1.0 / (GLdouble
) 0xffffff;
633 for (i
= 0; i
< n
; i
++) {
636 dst
[i
][2] = (s
[i
] >> 8) * scale
;
638 ASSERT(dst
[i
][0] >= 0.0F
);
639 ASSERT(dst
[i
][0] <= 1.0F
);
644 unpack_S8_Z24(const void *src
, GLfloat dst
[][4], GLuint n
)
646 /* only return Z, not stencil data */
647 const GLuint
*s
= ((const GLuint
*) src
);
648 const GLdouble scale
= 1.0 / (GLdouble
) 0xffffff;
650 for (i
= 0; i
< n
; i
++) {
653 dst
[i
][2] = (s
[i
] & 0x00ffffff) * scale
;
655 ASSERT(dst
[i
][0] >= 0.0F
);
656 ASSERT(dst
[i
][0] <= 1.0F
);
661 unpack_Z16(const void *src
, GLfloat dst
[][4], GLuint n
)
663 const GLushort
*s
= ((const GLushort
*) src
);
665 for (i
= 0; i
< n
; i
++) {
668 dst
[i
][2] = s
[i
] * (1.0F
/ 65535.0F
);
674 unpack_X8_Z24(const void *src
, GLfloat dst
[][4], GLuint n
)
676 unpack_S8_Z24(src
, dst
, n
);
680 unpack_Z24_X8(const void *src
, GLfloat dst
[][4], GLuint n
)
682 unpack_Z24_S8(src
, dst
, n
);
686 unpack_Z32(const void *src
, GLfloat dst
[][4], GLuint n
)
688 const GLuint
*s
= ((const GLuint
*) src
);
690 for (i
= 0; i
< n
; i
++) {
693 dst
[i
][2] = s
[i
] * (1.0F
/ 0xffffffff);
699 unpack_Z32_FLOAT(const void *src
, GLfloat dst
[][4], GLuint n
)
701 const GLfloat
*s
= ((const GLfloat
*) src
);
703 for (i
= 0; i
< n
; i
++) {
706 dst
[i
][2] = s
[i
* 2];
712 unpack_Z32_FLOAT_X24S8(const void *src
, GLfloat dst
[][4], GLuint n
)
714 const GLfloat
*s
= ((const GLfloat
*) src
);
716 for (i
= 0; i
< n
; i
++) {
726 unpack_S8(const void *src
, GLfloat dst
[][4], GLuint n
)
728 /* should never be used */
730 for (i
= 0; i
< n
; i
++) {
740 unpack_SRGB8(const void *src
, GLfloat dst
[][4], GLuint n
)
742 const GLubyte
*s
= (const GLubyte
*) src
;
744 for (i
= 0; i
< n
; i
++) {
745 dst
[i
][RCOMP
] = nonlinear_to_linear(s
[i
*3+2]);
746 dst
[i
][GCOMP
] = nonlinear_to_linear(s
[i
*3+1]);
747 dst
[i
][BCOMP
] = nonlinear_to_linear(s
[i
*3+0]);
748 dst
[i
][ACOMP
] = 1.0F
;
753 unpack_SRGBA8(const void *src
, GLfloat dst
[][4], GLuint n
)
755 const GLuint
*s
= ((const GLuint
*) src
);
757 for (i
= 0; i
< n
; i
++) {
758 dst
[i
][RCOMP
] = nonlinear_to_linear( (s
[i
] >> 24) );
759 dst
[i
][GCOMP
] = nonlinear_to_linear( (s
[i
] >> 16) & 0xff );
760 dst
[i
][BCOMP
] = nonlinear_to_linear( (s
[i
] >> 8) & 0xff );
761 dst
[i
][ACOMP
] = UBYTE_TO_FLOAT( s
[i
] & 0xff ); /* linear! */
766 unpack_SARGB8(const void *src
, GLfloat dst
[][4], GLuint n
)
768 const GLuint
*s
= ((const GLuint
*) src
);
770 for (i
= 0; i
< n
; i
++) {
771 dst
[i
][RCOMP
] = nonlinear_to_linear( (s
[i
] >> 16) & 0xff );
772 dst
[i
][GCOMP
] = nonlinear_to_linear( (s
[i
] >> 8) & 0xff );
773 dst
[i
][BCOMP
] = nonlinear_to_linear( (s
[i
] ) & 0xff );
774 dst
[i
][ACOMP
] = UBYTE_TO_FLOAT( s
[i
] >> 24 ); /* linear! */
779 unpack_SL8(const void *src
, GLfloat dst
[][4], GLuint n
)
781 const GLubyte
*s
= ((const GLubyte
*) src
);
783 for (i
= 0; i
< n
; i
++) {
786 dst
[i
][BCOMP
] = nonlinear_to_linear(s
[i
]);
787 dst
[i
][ACOMP
] = 1.0F
;
792 unpack_SLA8(const void *src
, GLfloat dst
[][4], GLuint n
)
794 const GLushort
*s
= (const GLushort
*) src
;
796 for (i
= 0; i
< n
; i
++) {
799 dst
[i
][BCOMP
] = nonlinear_to_linear(s
[i
] & 0xff);
800 dst
[i
][ACOMP
] = UBYTE_TO_FLOAT(s
[i
] >> 8); /* linear! */
805 unpack_SRGB_DXT1(const void *src
, GLfloat dst
[][4], GLuint n
)
810 unpack_SRGBA_DXT1(const void *src
, GLfloat dst
[][4], GLuint n
)
815 unpack_SRGBA_DXT3(const void *src
, GLfloat dst
[][4], GLuint n
)
820 unpack_SRGBA_DXT5(const void *src
, GLfloat dst
[][4], GLuint n
)
825 unpack_RGB_FXT1(const void *src
, GLfloat dst
[][4], GLuint n
)
830 unpack_RGBA_FXT1(const void *src
, GLfloat dst
[][4], GLuint n
)
835 unpack_RGB_DXT1(const void *src
, GLfloat dst
[][4], GLuint n
)
840 unpack_RGBA_DXT1(const void *src
, GLfloat dst
[][4], GLuint n
)
845 unpack_RGBA_DXT3(const void *src
, GLfloat dst
[][4], GLuint n
)
850 unpack_RGBA_DXT5(const void *src
, GLfloat dst
[][4], GLuint n
)
856 unpack_RGBA_FLOAT32(const void *src
, GLfloat dst
[][4], GLuint n
)
858 const GLfloat
*s
= (const GLfloat
*) src
;
860 for (i
= 0; i
< n
; i
++) {
861 dst
[i
][RCOMP
] = s
[i
*4+0];
862 dst
[i
][GCOMP
] = s
[i
*4+1];
863 dst
[i
][BCOMP
] = s
[i
*4+2];
864 dst
[i
][ACOMP
] = s
[i
*4+3];
869 unpack_RGBA_FLOAT16(const void *src
, GLfloat dst
[][4], GLuint n
)
871 const GLhalfARB
*s
= (const GLhalfARB
*) src
;
873 for (i
= 0; i
< n
; i
++) {
874 dst
[i
][RCOMP
] = _mesa_half_to_float(s
[i
*4+0]);
875 dst
[i
][GCOMP
] = _mesa_half_to_float(s
[i
*4+1]);
876 dst
[i
][BCOMP
] = _mesa_half_to_float(s
[i
*4+2]);
877 dst
[i
][ACOMP
] = _mesa_half_to_float(s
[i
*4+3]);
882 unpack_RGB_FLOAT32(const void *src
, GLfloat dst
[][4], GLuint n
)
884 const GLfloat
*s
= (const GLfloat
*) src
;
886 for (i
= 0; i
< n
; i
++) {
887 dst
[i
][RCOMP
] = s
[i
*3+0];
888 dst
[i
][GCOMP
] = s
[i
*3+1];
889 dst
[i
][BCOMP
] = s
[i
*3+2];
890 dst
[i
][ACOMP
] = 1.0F
;
895 unpack_RGB_FLOAT16(const void *src
, GLfloat dst
[][4], GLuint n
)
897 const GLhalfARB
*s
= (const GLhalfARB
*) src
;
899 for (i
= 0; i
< n
; i
++) {
900 dst
[i
][RCOMP
] = _mesa_half_to_float(s
[i
*3+0]);
901 dst
[i
][GCOMP
] = _mesa_half_to_float(s
[i
*3+1]);
902 dst
[i
][BCOMP
] = _mesa_half_to_float(s
[i
*3+2]);
903 dst
[i
][ACOMP
] = 1.0F
;
908 unpack_ALPHA_FLOAT32(const void *src
, GLfloat dst
[][4], GLuint n
)
910 const GLfloat
*s
= (const GLfloat
*) src
;
912 for (i
= 0; i
< n
; i
++) {
915 dst
[i
][BCOMP
] = 0.0F
;
916 dst
[i
][ACOMP
] = s
[i
];
921 unpack_ALPHA_FLOAT16(const void *src
, GLfloat dst
[][4], GLuint n
)
923 const GLhalfARB
*s
= (const GLhalfARB
*) src
;
925 for (i
= 0; i
< n
; i
++) {
928 dst
[i
][BCOMP
] = 0.0F
;
929 dst
[i
][ACOMP
] = _mesa_half_to_float(s
[i
]);
934 unpack_LUMINANCE_FLOAT32(const void *src
, GLfloat dst
[][4], GLuint n
)
936 const GLfloat
*s
= (const GLfloat
*) src
;
938 for (i
= 0; i
< n
; i
++) {
941 dst
[i
][BCOMP
] = s
[i
];
942 dst
[i
][ACOMP
] = 1.0F
;
947 unpack_LUMINANCE_FLOAT16(const void *src
, GLfloat dst
[][4], GLuint n
)
949 const GLhalfARB
*s
= (const GLhalfARB
*) src
;
951 for (i
= 0; i
< n
; i
++) {
954 dst
[i
][BCOMP
] = _mesa_half_to_float(s
[i
]);
955 dst
[i
][ACOMP
] = 1.0F
;
960 unpack_LUMINANCE_ALPHA_FLOAT32(const void *src
, GLfloat dst
[][4], GLuint n
)
962 const GLfloat
*s
= (const GLfloat
*) src
;
964 for (i
= 0; i
< n
; i
++) {
967 dst
[i
][BCOMP
] = s
[i
*2+0];
968 dst
[i
][ACOMP
] = s
[i
*2+1];
973 unpack_LUMINANCE_ALPHA_FLOAT16(const void *src
, GLfloat dst
[][4], GLuint n
)
975 const GLhalfARB
*s
= (const GLhalfARB
*) src
;
977 for (i
= 0; i
< n
; i
++) {
980 dst
[i
][BCOMP
] = _mesa_half_to_float(s
[i
*2+0]);
981 dst
[i
][ACOMP
] = _mesa_half_to_float(s
[i
*2+1]);
986 unpack_INTENSITY_FLOAT32(const void *src
, GLfloat dst
[][4], GLuint n
)
988 const GLfloat
*s
= (const GLfloat
*) src
;
990 for (i
= 0; i
< n
; i
++) {
994 dst
[i
][ACOMP
] = s
[i
];
999 unpack_INTENSITY_FLOAT16(const void *src
, GLfloat dst
[][4], GLuint n
)
1001 const GLhalfARB
*s
= (const GLhalfARB
*) src
;
1003 for (i
= 0; i
< n
; i
++) {
1007 dst
[i
][ACOMP
] = _mesa_half_to_float(s
[i
]);
1012 unpack_R_FLOAT32(const void *src
, GLfloat dst
[][4], GLuint n
)
1014 const GLfloat
*s
= (const GLfloat
*) src
;
1016 for (i
= 0; i
< n
; i
++) {
1017 dst
[i
][RCOMP
] = s
[i
];
1018 dst
[i
][GCOMP
] = 0.0F
;
1019 dst
[i
][BCOMP
] = 0.0F
;
1020 dst
[i
][ACOMP
] = 1.0F
;
1025 unpack_R_FLOAT16(const void *src
, GLfloat dst
[][4], GLuint n
)
1027 const GLhalfARB
*s
= (const GLhalfARB
*) src
;
1029 for (i
= 0; i
< n
; i
++) {
1030 dst
[i
][RCOMP
] = _mesa_half_to_float(s
[i
]);
1031 dst
[i
][GCOMP
] = 0.0F
;
1032 dst
[i
][BCOMP
] = 0.0F
;
1033 dst
[i
][ACOMP
] = 1.0F
;
1038 unpack_RG_FLOAT32(const void *src
, GLfloat dst
[][4], GLuint n
)
1040 const GLfloat
*s
= (const GLfloat
*) src
;
1042 for (i
= 0; i
< n
; i
++) {
1043 dst
[i
][RCOMP
] = s
[i
*2+0];
1044 dst
[i
][GCOMP
] = s
[i
*2+1];
1045 dst
[i
][BCOMP
] = 0.0F
;
1046 dst
[i
][ACOMP
] = 1.0F
;
1051 unpack_RG_FLOAT16(const void *src
, GLfloat dst
[][4], GLuint n
)
1053 const GLhalfARB
*s
= (const GLhalfARB
*) src
;
1055 for (i
= 0; i
< n
; i
++) {
1056 dst
[i
][RCOMP
] = _mesa_half_to_float(s
[i
*2+0]);
1057 dst
[i
][GCOMP
] = _mesa_half_to_float(s
[i
*2+1]);
1058 dst
[i
][BCOMP
] = 0.0F
;
1059 dst
[i
][ACOMP
] = 1.0F
;
1065 unpack_RGBA_INT8(const void *src
, GLfloat dst
[][4], GLuint n
)
1067 const GLbyte
*s
= (const GLbyte
*) src
;
1069 for (i
= 0; i
< n
; i
++) {
1070 dst
[i
][RCOMP
] = (GLfloat
) s
[i
*4+0];
1071 dst
[i
][GCOMP
] = (GLfloat
) s
[i
*4+1];
1072 dst
[i
][BCOMP
] = (GLfloat
) s
[i
*4+2];
1073 dst
[i
][ACOMP
] = (GLfloat
) s
[i
*4+3];
1078 unpack_RGBA_INT16(const void *src
, GLfloat dst
[][4], GLuint n
)
1080 const GLshort
*s
= (const GLshort
*) src
;
1082 for (i
= 0; i
< n
; i
++) {
1083 dst
[i
][RCOMP
] = (GLfloat
) s
[i
*4+0];
1084 dst
[i
][GCOMP
] = (GLfloat
) s
[i
*4+1];
1085 dst
[i
][BCOMP
] = (GLfloat
) s
[i
*4+2];
1086 dst
[i
][ACOMP
] = (GLfloat
) s
[i
*4+3];
1091 unpack_RGBA_INT32(const void *src
, GLfloat dst
[][4], GLuint n
)
1093 const GLint
*s
= (const GLint
*) src
;
1095 for (i
= 0; i
< n
; i
++) {
1096 dst
[i
][RCOMP
] = (GLfloat
) s
[i
*4+0];
1097 dst
[i
][GCOMP
] = (GLfloat
) s
[i
*4+1];
1098 dst
[i
][BCOMP
] = (GLfloat
) s
[i
*4+2];
1099 dst
[i
][ACOMP
] = (GLfloat
) s
[i
*4+3];
1104 unpack_RGBA_UINT8(const void *src
, GLfloat dst
[][4], GLuint n
)
1106 const GLubyte
*s
= (const GLubyte
*) src
;
1108 for (i
= 0; i
< n
; i
++) {
1109 dst
[i
][RCOMP
] = (GLfloat
) s
[i
*4+0];
1110 dst
[i
][GCOMP
] = (GLfloat
) s
[i
*4+1];
1111 dst
[i
][BCOMP
] = (GLfloat
) s
[i
*4+2];
1112 dst
[i
][ACOMP
] = (GLfloat
) s
[i
*4+3];
1117 unpack_RGBA_UINT16(const void *src
, GLfloat dst
[][4], GLuint n
)
1119 const GLushort
*s
= (const GLushort
*) src
;
1121 for (i
= 0; i
< n
; i
++) {
1122 dst
[i
][RCOMP
] = (GLfloat
) s
[i
*4+0];
1123 dst
[i
][GCOMP
] = (GLfloat
) s
[i
*4+1];
1124 dst
[i
][BCOMP
] = (GLfloat
) s
[i
*4+2];
1125 dst
[i
][ACOMP
] = (GLfloat
) s
[i
*4+3];
1130 unpack_RGBA_UINT32(const void *src
, GLfloat dst
[][4], GLuint n
)
1132 const GLuint
*s
= (const GLuint
*) src
;
1134 for (i
= 0; i
< n
; i
++) {
1135 dst
[i
][RCOMP
] = (GLfloat
) s
[i
*4+0];
1136 dst
[i
][GCOMP
] = (GLfloat
) s
[i
*4+1];
1137 dst
[i
][BCOMP
] = (GLfloat
) s
[i
*4+2];
1138 dst
[i
][ACOMP
] = (GLfloat
) s
[i
*4+3];
1143 unpack_DUDV8(const void *src
, GLfloat dst
[][4], GLuint n
)
1145 const GLbyte
*s
= (const GLbyte
*) src
;
1147 for (i
= 0; i
< n
; i
++) {
1148 dst
[i
][RCOMP
] = BYTE_TO_FLOAT(s
[i
*2+0]);
1149 dst
[i
][GCOMP
] = BYTE_TO_FLOAT(s
[i
*2+1]);
1156 unpack_SIGNED_R8(const void *src
, GLfloat dst
[][4], GLuint n
)
1158 const GLbyte
*s
= ((const GLbyte
*) src
);
1160 for (i
= 0; i
< n
; i
++) {
1161 dst
[i
][RCOMP
] = BYTE_TO_FLOAT_TEX( s
[i
] );
1162 dst
[i
][GCOMP
] = 0.0F
;
1163 dst
[i
][BCOMP
] = 0.0F
;
1164 dst
[i
][ACOMP
] = 1.0F
;
1169 unpack_SIGNED_RG88_REV(const void *src
, GLfloat dst
[][4], GLuint n
)
1171 const GLushort
*s
= ((const GLushort
*) src
);
1173 for (i
= 0; i
< n
; i
++) {
1174 dst
[i
][RCOMP
] = BYTE_TO_FLOAT_TEX( (GLbyte
) (s
[i
] & 0xff) );
1175 dst
[i
][GCOMP
] = BYTE_TO_FLOAT_TEX( (GLbyte
) (s
[i
] >> 8) );
1176 dst
[i
][BCOMP
] = 0.0F
;
1177 dst
[i
][ACOMP
] = 1.0F
;
1182 unpack_SIGNED_RGBX8888(const void *src
, GLfloat dst
[][4], GLuint n
)
1184 const GLuint
*s
= ((const GLuint
*) src
);
1186 for (i
= 0; i
< n
; i
++) {
1187 dst
[i
][RCOMP
] = BYTE_TO_FLOAT_TEX( (GLbyte
) (s
[i
] >> 24) );
1188 dst
[i
][GCOMP
] = BYTE_TO_FLOAT_TEX( (GLbyte
) (s
[i
] >> 16) );
1189 dst
[i
][BCOMP
] = BYTE_TO_FLOAT_TEX( (GLbyte
) (s
[i
] >> 8) );
1190 dst
[i
][ACOMP
] = 1.0f
;
1195 unpack_SIGNED_RGBA8888(const void *src
, GLfloat dst
[][4], GLuint n
)
1197 const GLuint
*s
= ((const GLuint
*) src
);
1199 for (i
= 0; i
< n
; i
++) {
1200 dst
[i
][RCOMP
] = BYTE_TO_FLOAT_TEX( (GLbyte
) (s
[i
] >> 24) );
1201 dst
[i
][GCOMP
] = BYTE_TO_FLOAT_TEX( (GLbyte
) (s
[i
] >> 16) );
1202 dst
[i
][BCOMP
] = BYTE_TO_FLOAT_TEX( (GLbyte
) (s
[i
] >> 8) );
1203 dst
[i
][ACOMP
] = BYTE_TO_FLOAT_TEX( (GLbyte
) (s
[i
] ) );
1208 unpack_SIGNED_RGBA8888_REV(const void *src
, GLfloat dst
[][4], GLuint n
)
1210 const GLuint
*s
= ((const GLuint
*) src
);
1212 for (i
= 0; i
< n
; i
++) {
1213 dst
[i
][RCOMP
] = BYTE_TO_FLOAT_TEX( (GLbyte
) (s
[i
] ) );
1214 dst
[i
][GCOMP
] = BYTE_TO_FLOAT_TEX( (GLbyte
) (s
[i
] >> 8) );
1215 dst
[i
][BCOMP
] = BYTE_TO_FLOAT_TEX( (GLbyte
) (s
[i
] >> 16) );
1216 dst
[i
][ACOMP
] = BYTE_TO_FLOAT_TEX( (GLbyte
) (s
[i
] >> 24) );
1221 unpack_SIGNED_R16(const void *src
, GLfloat dst
[][4], GLuint n
)
1223 const GLshort
*s
= ((const GLshort
*) src
);
1225 for (i
= 0; i
< n
; i
++) {
1226 dst
[i
][RCOMP
] = SHORT_TO_FLOAT_TEX( s
[i
] );
1227 dst
[i
][GCOMP
] = 0.0F
;
1228 dst
[i
][BCOMP
] = 0.0F
;
1229 dst
[i
][ACOMP
] = 1.0F
;
1234 unpack_SIGNED_GR1616(const void *src
, GLfloat dst
[][4], GLuint n
)
1236 const GLuint
*s
= ((const GLuint
*) src
);
1238 for (i
= 0; i
< n
; i
++) {
1239 dst
[i
][RCOMP
] = SHORT_TO_FLOAT_TEX( (GLshort
) (s
[i
] & 0xffff) );
1240 dst
[i
][GCOMP
] = SHORT_TO_FLOAT_TEX( (GLshort
) (s
[i
] >> 16) );
1241 dst
[i
][BCOMP
] = 0.0F
;
1242 dst
[i
][ACOMP
] = 1.0F
;
1247 unpack_SIGNED_RGB_16(const void *src
, GLfloat dst
[][4], GLuint n
)
1249 const GLshort
*s
= (const GLshort
*) src
;
1251 for (i
= 0; i
< n
; i
++) {
1252 dst
[i
][RCOMP
] = SHORT_TO_FLOAT_TEX( s
[i
*3+0] );
1253 dst
[i
][GCOMP
] = SHORT_TO_FLOAT_TEX( s
[i
*3+1] );
1254 dst
[i
][BCOMP
] = SHORT_TO_FLOAT_TEX( s
[i
*3+2] );
1255 dst
[i
][ACOMP
] = 1.0F
;
1260 unpack_SIGNED_RGBA_16(const void *src
, GLfloat dst
[][4], GLuint n
)
1262 const GLshort
*s
= (const GLshort
*) src
;
1264 for (i
= 0; i
< n
; i
++) {
1265 dst
[i
][RCOMP
] = SHORT_TO_FLOAT_TEX( s
[i
*4+0] );
1266 dst
[i
][GCOMP
] = SHORT_TO_FLOAT_TEX( s
[i
*4+1] );
1267 dst
[i
][BCOMP
] = SHORT_TO_FLOAT_TEX( s
[i
*4+2] );
1268 dst
[i
][ACOMP
] = SHORT_TO_FLOAT_TEX( s
[i
*4+3] );
1273 unpack_RGBA_16(const void *src
, GLfloat dst
[][4], GLuint n
)
1275 const GLushort
*s
= (const GLushort
*) src
;
1277 for (i
= 0; i
< n
; i
++) {
1278 dst
[i
][RCOMP
] = USHORT_TO_FLOAT( s
[i
*4+0] );
1279 dst
[i
][GCOMP
] = USHORT_TO_FLOAT( s
[i
*4+1] );
1280 dst
[i
][BCOMP
] = USHORT_TO_FLOAT( s
[i
*4+2] );
1281 dst
[i
][ACOMP
] = USHORT_TO_FLOAT( s
[i
*4+3] );
1286 unpack_RED_RGTC1(const void *src
, GLfloat dst
[][4], GLuint n
)
1292 unpack_SIGNED_RED_RGTC1(const void *src
, GLfloat dst
[][4], GLuint n
)
1298 unpack_RG_RGTC2(const void *src
, GLfloat dst
[][4], GLuint n
)
1304 unpack_SIGNED_RG_RGTC2(const void *src
, GLfloat dst
[][4], GLuint n
)
1310 unpack_L_LATC1(const void *src
, GLfloat dst
[][4], GLuint n
)
1316 unpack_SIGNED_L_LATC1(const void *src
, GLfloat dst
[][4], GLuint n
)
1322 unpack_LA_LATC2(const void *src
, GLfloat dst
[][4], GLuint n
)
1328 unpack_SIGNED_LA_LATC2(const void *src
, GLfloat dst
[][4], GLuint n
)
1334 unpack_ETC1_RGB8(const void *src
, GLfloat dst
[][4], GLuint n
)
1340 unpack_SIGNED_A8(const void *src
, GLfloat dst
[][4], GLuint n
)
1342 const GLbyte
*s
= ((const GLbyte
*) src
);
1344 for (i
= 0; i
< n
; i
++) {
1345 dst
[i
][RCOMP
] = 0.0F
;
1346 dst
[i
][GCOMP
] = 0.0F
;
1347 dst
[i
][BCOMP
] = 0.0F
;
1348 dst
[i
][ACOMP
] = BYTE_TO_FLOAT_TEX( s
[i
] );
1353 unpack_SIGNED_L8(const void *src
, GLfloat dst
[][4], GLuint n
)
1355 const GLbyte
*s
= ((const GLbyte
*) src
);
1357 for (i
= 0; i
< n
; i
++) {
1360 dst
[i
][BCOMP
] = BYTE_TO_FLOAT_TEX( s
[i
] );
1361 dst
[i
][ACOMP
] = 1.0F
;
1366 unpack_SIGNED_AL88(const void *src
, GLfloat dst
[][4], GLuint n
)
1368 const GLshort
*s
= ((const GLshort
*) src
);
1370 for (i
= 0; i
< n
; i
++) {
1373 dst
[i
][BCOMP
] = BYTE_TO_FLOAT_TEX( (GLbyte
) (s
[i
] & 0xff) );
1374 dst
[i
][ACOMP
] = BYTE_TO_FLOAT_TEX( (GLbyte
) (s
[i
] >> 8) );
1379 unpack_SIGNED_I8(const void *src
, GLfloat dst
[][4], GLuint n
)
1381 const GLbyte
*s
= ((const GLbyte
*) src
);
1383 for (i
= 0; i
< n
; i
++) {
1387 dst
[i
][ACOMP
] = BYTE_TO_FLOAT_TEX( s
[i
] );
1392 unpack_SIGNED_A16(const void *src
, GLfloat dst
[][4], GLuint n
)
1394 const GLshort
*s
= ((const GLshort
*) src
);
1396 for (i
= 0; i
< n
; i
++) {
1397 dst
[i
][RCOMP
] = 0.0F
;
1398 dst
[i
][GCOMP
] = 0.0F
;
1399 dst
[i
][BCOMP
] = 0.0F
;
1400 dst
[i
][ACOMP
] = SHORT_TO_FLOAT_TEX( s
[i
] );
1405 unpack_SIGNED_L16(const void *src
, GLfloat dst
[][4], GLuint n
)
1407 const GLshort
*s
= ((const GLshort
*) src
);
1409 for (i
= 0; i
< n
; i
++) {
1412 dst
[i
][BCOMP
] = SHORT_TO_FLOAT_TEX( s
[i
] );
1413 dst
[i
][ACOMP
] = 1.0F
;
1418 unpack_SIGNED_AL1616(const void *src
, GLfloat dst
[][4], GLuint n
)
1420 const GLshort
*s
= (const GLshort
*) src
;
1422 for (i
= 0; i
< n
; i
++) {
1425 dst
[i
][BCOMP
] = SHORT_TO_FLOAT_TEX( s
[i
*2+0] );
1426 dst
[i
][ACOMP
] = SHORT_TO_FLOAT_TEX( s
[i
*2+1] );
1431 unpack_SIGNED_I16(const void *src
, GLfloat dst
[][4], GLuint n
)
1433 const GLshort
*s
= ((const GLshort
*) src
);
1435 for (i
= 0; i
< n
; i
++) {
1439 dst
[i
][ACOMP
] = SHORT_TO_FLOAT_TEX( s
[i
] );
1444 unpack_RGB9_E5_FLOAT(const void *src
, GLfloat dst
[][4], GLuint n
)
1446 const GLuint
*s
= (const GLuint
*) src
;
1448 for (i
= 0; i
< n
; i
++) {
1449 rgb9e5_to_float3(s
[i
], dst
[i
]);
1450 dst
[i
][ACOMP
] = 1.0F
;
1455 unpack_R11_G11_B10_FLOAT(const void *src
, GLfloat dst
[][4], GLuint n
)
1457 const GLuint
*s
= (const GLuint
*) src
;
1459 for (i
= 0; i
< n
; i
++) {
1460 r11g11b10f_to_float3(s
[i
], dst
[i
]);
1461 dst
[i
][ACOMP
] = 1.0F
;
1467 * Return the unpacker function for the given format.
1469 static unpack_rgba_func
1470 get_unpack_rgba_function(gl_format format
)
1472 static unpack_rgba_func table
[MESA_FORMAT_COUNT
];
1473 static GLboolean initialized
= GL_FALSE
;
1476 table
[MESA_FORMAT_NONE
] = NULL
;
1478 table
[MESA_FORMAT_RGBA8888
] = unpack_RGBA8888
;
1479 table
[MESA_FORMAT_RGBA8888_REV
] = unpack_RGBA8888_REV
;
1480 table
[MESA_FORMAT_ARGB8888
] = unpack_ARGB8888
;
1481 table
[MESA_FORMAT_ARGB8888_REV
] = unpack_ARGB8888_REV
;
1482 table
[MESA_FORMAT_RGBX8888
] = unpack_RGBX8888
;
1483 table
[MESA_FORMAT_RGBX8888_REV
] = unpack_RGBX8888_REV
;
1484 table
[MESA_FORMAT_XRGB8888
] = unpack_XRGB8888
;
1485 table
[MESA_FORMAT_XRGB8888_REV
] = unpack_XRGB8888_REV
;
1486 table
[MESA_FORMAT_RGB888
] = unpack_RGB888
;
1487 table
[MESA_FORMAT_BGR888
] = unpack_BGR888
;
1488 table
[MESA_FORMAT_RGB565
] = unpack_RGB565
;
1489 table
[MESA_FORMAT_RGB565_REV
] = unpack_RGB565_REV
;
1490 table
[MESA_FORMAT_ARGB4444
] = unpack_ARGB4444
;
1491 table
[MESA_FORMAT_ARGB4444_REV
] = unpack_ARGB4444_REV
;
1492 table
[MESA_FORMAT_RGBA5551
] = unpack_RGBA5551
;
1493 table
[MESA_FORMAT_ARGB1555
] = unpack_ARGB1555
;
1494 table
[MESA_FORMAT_ARGB1555_REV
] = unpack_ARGB1555_REV
;
1495 table
[MESA_FORMAT_AL44
] = unpack_AL44
;
1496 table
[MESA_FORMAT_AL88
] = unpack_AL88
;
1497 table
[MESA_FORMAT_AL88_REV
] = unpack_AL88_REV
;
1498 table
[MESA_FORMAT_AL1616
] = unpack_AL1616
;
1499 table
[MESA_FORMAT_AL1616_REV
] = unpack_AL1616_REV
;
1500 table
[MESA_FORMAT_RGB332
] = unpack_RGB332
;
1501 table
[MESA_FORMAT_A8
] = unpack_A8
;
1502 table
[MESA_FORMAT_A16
] = unpack_A16
;
1503 table
[MESA_FORMAT_L8
] = unpack_L8
;
1504 table
[MESA_FORMAT_L16
] = unpack_L16
;
1505 table
[MESA_FORMAT_I8
] = unpack_I8
;
1506 table
[MESA_FORMAT_I16
] = unpack_I16
;
1507 table
[MESA_FORMAT_YCBCR
] = unpack_YCBCR
;
1508 table
[MESA_FORMAT_YCBCR_REV
] = unpack_YCBCR_REV
;
1509 table
[MESA_FORMAT_R8
] = unpack_R8
;
1510 table
[MESA_FORMAT_GR88
] = unpack_GR88
;
1511 table
[MESA_FORMAT_RG88
] = unpack_RG88
;
1512 table
[MESA_FORMAT_R16
] = unpack_R16
;
1513 table
[MESA_FORMAT_RG1616
] = unpack_RG1616
;
1514 table
[MESA_FORMAT_RG1616_REV
] = unpack_RG1616_REV
;
1515 table
[MESA_FORMAT_ARGB2101010
] = unpack_ARGB2101010
;
1516 table
[MESA_FORMAT_ABGR2101010_UINT
] = unpack_ABGR2101010_UINT
;
1517 table
[MESA_FORMAT_Z24_S8
] = unpack_Z24_S8
;
1518 table
[MESA_FORMAT_S8_Z24
] = unpack_S8_Z24
;
1519 table
[MESA_FORMAT_Z16
] = unpack_Z16
;
1520 table
[MESA_FORMAT_X8_Z24
] = unpack_X8_Z24
;
1521 table
[MESA_FORMAT_Z24_X8
] = unpack_Z24_X8
;
1522 table
[MESA_FORMAT_Z32
] = unpack_Z32
;
1523 table
[MESA_FORMAT_S8
] = unpack_S8
;
1524 table
[MESA_FORMAT_SRGB8
] = unpack_SRGB8
;
1525 table
[MESA_FORMAT_SRGBA8
] = unpack_SRGBA8
;
1526 table
[MESA_FORMAT_SARGB8
] = unpack_SARGB8
;
1527 table
[MESA_FORMAT_SL8
] = unpack_SL8
;
1528 table
[MESA_FORMAT_SLA8
] = unpack_SLA8
;
1529 table
[MESA_FORMAT_SRGB_DXT1
] = unpack_SRGB_DXT1
;
1530 table
[MESA_FORMAT_SRGBA_DXT1
] = unpack_SRGBA_DXT1
;
1531 table
[MESA_FORMAT_SRGBA_DXT3
] = unpack_SRGBA_DXT3
;
1532 table
[MESA_FORMAT_SRGBA_DXT5
] = unpack_SRGBA_DXT5
;
1534 table
[MESA_FORMAT_RGB_FXT1
] = unpack_RGB_FXT1
;
1535 table
[MESA_FORMAT_RGBA_FXT1
] = unpack_RGBA_FXT1
;
1536 table
[MESA_FORMAT_RGB_DXT1
] = unpack_RGB_DXT1
;
1537 table
[MESA_FORMAT_RGBA_DXT1
] = unpack_RGBA_DXT1
;
1538 table
[MESA_FORMAT_RGBA_DXT3
] = unpack_RGBA_DXT3
;
1539 table
[MESA_FORMAT_RGBA_DXT5
] = unpack_RGBA_DXT5
;
1541 table
[MESA_FORMAT_RGBA_FLOAT32
] = unpack_RGBA_FLOAT32
;
1542 table
[MESA_FORMAT_RGBA_FLOAT16
] = unpack_RGBA_FLOAT16
;
1543 table
[MESA_FORMAT_RGB_FLOAT32
] = unpack_RGB_FLOAT32
;
1544 table
[MESA_FORMAT_RGB_FLOAT16
] = unpack_RGB_FLOAT16
;
1545 table
[MESA_FORMAT_ALPHA_FLOAT32
] = unpack_ALPHA_FLOAT32
;
1546 table
[MESA_FORMAT_ALPHA_FLOAT16
] = unpack_ALPHA_FLOAT16
;
1547 table
[MESA_FORMAT_LUMINANCE_FLOAT32
] = unpack_LUMINANCE_FLOAT32
;
1548 table
[MESA_FORMAT_LUMINANCE_FLOAT16
] = unpack_LUMINANCE_FLOAT16
;
1549 table
[MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32
] = unpack_LUMINANCE_ALPHA_FLOAT32
;
1550 table
[MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16
] = unpack_LUMINANCE_ALPHA_FLOAT16
;
1551 table
[MESA_FORMAT_INTENSITY_FLOAT32
] = unpack_INTENSITY_FLOAT32
;
1552 table
[MESA_FORMAT_INTENSITY_FLOAT16
] = unpack_INTENSITY_FLOAT16
;
1553 table
[MESA_FORMAT_R_FLOAT32
] = unpack_R_FLOAT32
;
1554 table
[MESA_FORMAT_R_FLOAT16
] = unpack_R_FLOAT16
;
1555 table
[MESA_FORMAT_RG_FLOAT32
] = unpack_RG_FLOAT32
;
1556 table
[MESA_FORMAT_RG_FLOAT16
] = unpack_RG_FLOAT16
;
1558 table
[MESA_FORMAT_RGBA_INT8
] = unpack_RGBA_INT8
;
1559 table
[MESA_FORMAT_RGBA_INT16
] = unpack_RGBA_INT16
;
1560 table
[MESA_FORMAT_RGBA_INT32
] = unpack_RGBA_INT32
;
1561 table
[MESA_FORMAT_RGBA_UINT8
] = unpack_RGBA_UINT8
;
1562 table
[MESA_FORMAT_RGBA_UINT16
] = unpack_RGBA_UINT16
;
1563 table
[MESA_FORMAT_RGBA_UINT32
] = unpack_RGBA_UINT32
;
1565 table
[MESA_FORMAT_DUDV8
] = unpack_DUDV8
;
1566 table
[MESA_FORMAT_SIGNED_R8
] = unpack_SIGNED_R8
;
1567 table
[MESA_FORMAT_SIGNED_RG88_REV
] = unpack_SIGNED_RG88_REV
;
1568 table
[MESA_FORMAT_SIGNED_RGBX8888
] = unpack_SIGNED_RGBX8888
;
1569 table
[MESA_FORMAT_SIGNED_RGBA8888
] = unpack_SIGNED_RGBA8888
;
1570 table
[MESA_FORMAT_SIGNED_RGBA8888_REV
] = unpack_SIGNED_RGBA8888_REV
;
1571 table
[MESA_FORMAT_SIGNED_R16
] = unpack_SIGNED_R16
;
1572 table
[MESA_FORMAT_SIGNED_GR1616
] = unpack_SIGNED_GR1616
;
1573 table
[MESA_FORMAT_SIGNED_RGB_16
] = unpack_SIGNED_RGB_16
;
1574 table
[MESA_FORMAT_SIGNED_RGBA_16
] = unpack_SIGNED_RGBA_16
;
1575 table
[MESA_FORMAT_RGBA_16
] = unpack_RGBA_16
;
1577 table
[MESA_FORMAT_RED_RGTC1
] = unpack_RED_RGTC1
;
1578 table
[MESA_FORMAT_SIGNED_RED_RGTC1
] = unpack_SIGNED_RED_RGTC1
;
1579 table
[MESA_FORMAT_RG_RGTC2
] = unpack_RG_RGTC2
;
1580 table
[MESA_FORMAT_SIGNED_RG_RGTC2
] = unpack_SIGNED_RG_RGTC2
;
1582 table
[MESA_FORMAT_L_LATC1
] = unpack_L_LATC1
;
1583 table
[MESA_FORMAT_SIGNED_L_LATC1
] = unpack_SIGNED_L_LATC1
;
1584 table
[MESA_FORMAT_LA_LATC2
] = unpack_LA_LATC2
;
1585 table
[MESA_FORMAT_SIGNED_LA_LATC2
] = unpack_SIGNED_LA_LATC2
;
1587 table
[MESA_FORMAT_ETC1_RGB8
] = unpack_ETC1_RGB8
;
1589 table
[MESA_FORMAT_SIGNED_A8
] = unpack_SIGNED_A8
;
1590 table
[MESA_FORMAT_SIGNED_L8
] = unpack_SIGNED_L8
;
1591 table
[MESA_FORMAT_SIGNED_AL88
] = unpack_SIGNED_AL88
;
1592 table
[MESA_FORMAT_SIGNED_I8
] = unpack_SIGNED_I8
;
1593 table
[MESA_FORMAT_SIGNED_A16
] = unpack_SIGNED_A16
;
1594 table
[MESA_FORMAT_SIGNED_L16
] = unpack_SIGNED_L16
;
1595 table
[MESA_FORMAT_SIGNED_AL1616
] = unpack_SIGNED_AL1616
;
1596 table
[MESA_FORMAT_SIGNED_I16
] = unpack_SIGNED_I16
;
1598 table
[MESA_FORMAT_RGB9_E5_FLOAT
] = unpack_RGB9_E5_FLOAT
;
1599 table
[MESA_FORMAT_R11_G11_B10_FLOAT
] = unpack_R11_G11_B10_FLOAT
;
1601 table
[MESA_FORMAT_Z32_FLOAT
] = unpack_Z32_FLOAT
;
1602 table
[MESA_FORMAT_Z32_FLOAT_X24S8
] = unpack_Z32_FLOAT_X24S8
;
1604 initialized
= GL_TRUE
;
1607 if (table
[format
] == NULL
) {
1608 _mesa_problem(NULL
, "unsupported unpack for format %s",
1609 _mesa_get_format_name(format
));
1612 return table
[format
];
1617 * Unpack rgba colors, returning as GLfloat values.
1620 _mesa_unpack_rgba_row(gl_format format
, GLuint n
,
1621 const void *src
, GLfloat dst
[][4])
1623 unpack_rgba_func unpack
= get_unpack_rgba_function(format
);
1624 unpack(src
, dst
, n
);
1628 /**********************************************************************/
1629 /* Unpack, returning GLubyte colors */
1630 /**********************************************************************/
1634 unpack_ubyte_RGBA8888(const void *src
, GLubyte dst
[][4], GLuint n
)
1636 const GLuint
*s
= ((const GLuint
*) src
);
1638 for (i
= 0; i
< n
; i
++) {
1639 dst
[i
][RCOMP
] = (s
[i
] >> 24);
1640 dst
[i
][GCOMP
] = (s
[i
] >> 16) & 0xff;
1641 dst
[i
][BCOMP
] = (s
[i
] >> 8) & 0xff;
1642 dst
[i
][ACOMP
] = (s
[i
] ) & 0xff;
1647 unpack_ubyte_RGBA8888_REV(const void *src
, GLubyte dst
[][4], GLuint n
)
1649 const GLuint
*s
= ((const GLuint
*) src
);
1651 for (i
= 0; i
< n
; i
++) {
1652 dst
[i
][RCOMP
] = (s
[i
] ) & 0xff;
1653 dst
[i
][GCOMP
] = (s
[i
] >> 8) & 0xff;
1654 dst
[i
][BCOMP
] = (s
[i
] >> 16) & 0xff;
1655 dst
[i
][ACOMP
] = (s
[i
] >> 24);
1660 unpack_ubyte_ARGB8888(const void *src
, GLubyte dst
[][4], GLuint n
)
1662 const GLuint
*s
= ((const GLuint
*) src
);
1664 for (i
= 0; i
< n
; i
++) {
1665 dst
[i
][RCOMP
] = (s
[i
] >> 16) & 0xff;
1666 dst
[i
][GCOMP
] = (s
[i
] >> 8) & 0xff;
1667 dst
[i
][BCOMP
] = (s
[i
] ) & 0xff;
1668 dst
[i
][ACOMP
] = (s
[i
] >> 24);
1673 unpack_ubyte_ARGB8888_REV(const void *src
, GLubyte dst
[][4], GLuint n
)
1675 const GLuint
*s
= ((const GLuint
*) src
);
1677 for (i
= 0; i
< n
; i
++) {
1678 dst
[i
][RCOMP
] = (s
[i
] >> 8) & 0xff;
1679 dst
[i
][GCOMP
] = (s
[i
] >> 16) & 0xff;
1680 dst
[i
][BCOMP
] = (s
[i
] >> 24);
1681 dst
[i
][ACOMP
] = (s
[i
] ) & 0xff;
1686 unpack_ubyte_RGBX8888(const void *src
, GLubyte dst
[][4], GLuint n
)
1688 const GLuint
*s
= ((const GLuint
*) src
);
1690 for (i
= 0; i
< n
; i
++) {
1691 dst
[i
][RCOMP
] = (s
[i
] >> 24);
1692 dst
[i
][GCOMP
] = (s
[i
] >> 16) & 0xff;
1693 dst
[i
][BCOMP
] = (s
[i
] >> 8) & 0xff;
1694 dst
[i
][ACOMP
] = 0xff;
1699 unpack_ubyte_RGBX8888_REV(const void *src
, GLubyte dst
[][4], GLuint n
)
1701 const GLuint
*s
= ((const GLuint
*) src
);
1703 for (i
= 0; i
< n
; i
++) {
1704 dst
[i
][RCOMP
] = (s
[i
] ) & 0xff;
1705 dst
[i
][GCOMP
] = (s
[i
] >> 8) & 0xff;
1706 dst
[i
][BCOMP
] = (s
[i
] >> 16) & 0xff;
1707 dst
[i
][ACOMP
] = 0xff;
1712 unpack_ubyte_XRGB8888(const void *src
, GLubyte dst
[][4], GLuint n
)
1714 const GLuint
*s
= ((const GLuint
*) src
);
1716 for (i
= 0; i
< n
; i
++) {
1717 dst
[i
][RCOMP
] = (s
[i
] >> 16) & 0xff;
1718 dst
[i
][GCOMP
] = (s
[i
] >> 8) & 0xff;
1719 dst
[i
][BCOMP
] = (s
[i
] ) & 0xff;
1720 dst
[i
][ACOMP
] = 0xff;
1725 unpack_ubyte_XRGB8888_REV(const void *src
, GLubyte dst
[][4], GLuint n
)
1727 const GLuint
*s
= ((const GLuint
*) src
);
1729 for (i
= 0; i
< n
; i
++) {
1730 dst
[i
][RCOMP
] = (s
[i
] >> 8) & 0xff;
1731 dst
[i
][GCOMP
] = (s
[i
] >> 16) & 0xff;
1732 dst
[i
][BCOMP
] = (s
[i
] >> 24);
1733 dst
[i
][ACOMP
] = 0xff;
1738 unpack_ubyte_RGB888(const void *src
, GLubyte dst
[][4], GLuint n
)
1740 const GLubyte
*s
= (const GLubyte
*) src
;
1742 for (i
= 0; i
< n
; i
++) {
1743 dst
[i
][RCOMP
] = s
[i
*3+2];
1744 dst
[i
][GCOMP
] = s
[i
*3+1];
1745 dst
[i
][BCOMP
] = s
[i
*3+0];
1746 dst
[i
][ACOMP
] = 0xff;
1751 unpack_ubyte_BGR888(const void *src
, GLubyte dst
[][4], GLuint n
)
1753 const GLubyte
*s
= (const GLubyte
*) src
;
1755 for (i
= 0; i
< n
; i
++) {
1756 dst
[i
][RCOMP
] = s
[i
*3+0];
1757 dst
[i
][GCOMP
] = s
[i
*3+1];
1758 dst
[i
][BCOMP
] = s
[i
*3+2];
1759 dst
[i
][ACOMP
] = 0xff;
1764 unpack_ubyte_RGB565(const void *src
, GLubyte dst
[][4], GLuint n
)
1766 const GLushort
*s
= ((const GLushort
*) src
);
1768 for (i
= 0; i
< n
; i
++) {
1769 dst
[i
][RCOMP
] = EXPAND_5_8((s
[i
] >> 11) & 0x1f);
1770 dst
[i
][GCOMP
] = EXPAND_6_8((s
[i
] >> 5 ) & 0x3f);
1771 dst
[i
][BCOMP
] = EXPAND_5_8( s
[i
] & 0x1f);
1772 dst
[i
][ACOMP
] = 0xff;
1777 unpack_ubyte_RGB565_REV(const void *src
, GLubyte dst
[][4], GLuint n
)
1779 const GLushort
*s
= ((const GLushort
*) src
);
1781 for (i
= 0; i
< n
; i
++) {
1782 GLuint t
= (s
[i
] >> 8) | (s
[i
] << 8); /* byte swap */
1783 dst
[i
][RCOMP
] = EXPAND_5_8((t
>> 11) & 0x1f);
1784 dst
[i
][GCOMP
] = EXPAND_6_8((t
>> 5 ) & 0x3f);
1785 dst
[i
][BCOMP
] = EXPAND_5_8( t
& 0x1f);
1786 dst
[i
][ACOMP
] = 0xff;
1791 unpack_ubyte_ARGB4444(const void *src
, GLubyte dst
[][4], GLuint n
)
1793 const GLushort
*s
= ((const GLushort
*) src
);
1795 for (i
= 0; i
< n
; i
++) {
1796 dst
[i
][RCOMP
] = EXPAND_4_8((s
[i
] >> 8) & 0xf);
1797 dst
[i
][GCOMP
] = EXPAND_4_8((s
[i
] >> 4) & 0xf);
1798 dst
[i
][BCOMP
] = EXPAND_4_8((s
[i
] ) & 0xf);
1799 dst
[i
][ACOMP
] = EXPAND_4_8((s
[i
] >> 12) & 0xf);
1804 unpack_ubyte_ARGB4444_REV(const void *src
, GLubyte dst
[][4], GLuint n
)
1806 const GLushort
*s
= ((const GLushort
*) src
);
1808 for (i
= 0; i
< n
; i
++) {
1809 dst
[i
][RCOMP
] = EXPAND_4_8((s
[i
] ) & 0xf);
1810 dst
[i
][GCOMP
] = EXPAND_4_8((s
[i
] >> 12) & 0xf);
1811 dst
[i
][BCOMP
] = EXPAND_4_8((s
[i
] >> 8) & 0xf);
1812 dst
[i
][ACOMP
] = EXPAND_4_8((s
[i
] >> 4) & 0xf);
1817 unpack_ubyte_RGBA5551(const void *src
, GLubyte dst
[][4], GLuint n
)
1819 const GLushort
*s
= ((const GLushort
*) src
);
1821 for (i
= 0; i
< n
; i
++) {
1822 dst
[i
][RCOMP
] = EXPAND_5_8((s
[i
] >> 11) & 0x1f);
1823 dst
[i
][GCOMP
] = EXPAND_5_8((s
[i
] >> 6) & 0x1f);
1824 dst
[i
][BCOMP
] = EXPAND_5_8((s
[i
] >> 1) & 0x1f);
1825 dst
[i
][ACOMP
] = EXPAND_1_8((s
[i
] ) & 0x01);
1830 unpack_ubyte_ARGB1555(const void *src
, GLubyte dst
[][4], GLuint n
)
1832 const GLushort
*s
= ((const GLushort
*) src
);
1834 for (i
= 0; i
< n
; i
++) {
1835 dst
[i
][RCOMP
] = EXPAND_5_8((s
[i
] >> 10) & 0x1f);
1836 dst
[i
][GCOMP
] = EXPAND_5_8((s
[i
] >> 5) & 0x1f);
1837 dst
[i
][BCOMP
] = EXPAND_5_8((s
[i
] >> 0) & 0x1f);
1838 dst
[i
][ACOMP
] = EXPAND_1_8((s
[i
] >> 15) & 0x01);
1843 unpack_ubyte_ARGB1555_REV(const void *src
, GLubyte dst
[][4], GLuint n
)
1845 const GLushort
*s
= ((const GLushort
*) src
);
1847 for (i
= 0; i
< n
; i
++) {
1848 GLushort tmp
= (s
[i
] << 8) | (s
[i
] >> 8); /* byteswap */
1849 dst
[i
][RCOMP
] = EXPAND_5_8((tmp
>> 10) & 0x1f);
1850 dst
[i
][GCOMP
] = EXPAND_5_8((tmp
>> 5) & 0x1f);
1851 dst
[i
][BCOMP
] = EXPAND_5_8((tmp
>> 0) & 0x1f);
1852 dst
[i
][ACOMP
] = EXPAND_1_8((tmp
>> 15) & 0x01);
1857 unpack_ubyte_AL44(const void *src
, GLubyte dst
[][4], GLuint n
)
1859 const GLubyte
*s
= ((const GLubyte
*) src
);
1861 for (i
= 0; i
< n
; i
++) {
1864 dst
[i
][BCOMP
] = EXPAND_4_8(s
[i
] & 0xf);
1865 dst
[i
][ACOMP
] = EXPAND_4_8(s
[i
] >> 4);
1870 unpack_ubyte_AL88(const void *src
, GLubyte dst
[][4], GLuint n
)
1872 const GLushort
*s
= ((const GLushort
*) src
);
1874 for (i
= 0; i
< n
; i
++) {
1877 dst
[i
][BCOMP
] = EXPAND_4_8(s
[i
] & 0xff);
1878 dst
[i
][ACOMP
] = EXPAND_4_8(s
[i
] >> 8);
1883 unpack_ubyte_AL88_REV(const void *src
, GLubyte dst
[][4], GLuint n
)
1885 const GLushort
*s
= ((const GLushort
*) src
);
1887 for (i
= 0; i
< n
; i
++) {
1890 dst
[i
][BCOMP
] = EXPAND_4_8(s
[i
] >> 8);
1891 dst
[i
][ACOMP
] = EXPAND_4_8(s
[i
] & 0xff);
1896 unpack_ubyte_RGB332(const void *src
, GLubyte dst
[][4], GLuint n
)
1898 const GLubyte
*s
= ((const GLubyte
*) src
);
1900 for (i
= 0; i
< n
; i
++) {
1901 dst
[i
][RCOMP
] = EXPAND_3_8((s
[i
] >> 5) & 0x7);
1902 dst
[i
][GCOMP
] = EXPAND_3_8((s
[i
] >> 2) & 0x7);
1903 dst
[i
][BCOMP
] = EXPAND_2_8((s
[i
] ) & 0x3);
1904 dst
[i
][ACOMP
] = 0xff;
1909 unpack_ubyte_A8(const void *src
, GLubyte dst
[][4], GLuint n
)
1911 const GLubyte
*s
= ((const GLubyte
*) src
);
1913 for (i
= 0; i
< n
; i
++) {
1917 dst
[i
][ACOMP
] = s
[i
];
1922 unpack_ubyte_L8(const void *src
, GLubyte dst
[][4], GLuint n
)
1924 const GLubyte
*s
= ((const GLubyte
*) src
);
1926 for (i
= 0; i
< n
; i
++) {
1929 dst
[i
][BCOMP
] = s
[i
];
1930 dst
[i
][ACOMP
] = 0xff;
1936 unpack_ubyte_I8(const void *src
, GLubyte dst
[][4], GLuint n
)
1938 const GLubyte
*s
= ((const GLubyte
*) src
);
1940 for (i
= 0; i
< n
; i
++) {
1944 dst
[i
][ACOMP
] = s
[i
];
1949 unpack_ubyte_R8(const void *src
, GLubyte dst
[][4], GLuint n
)
1951 const GLubyte
*s
= ((const GLubyte
*) src
);
1953 for (i
= 0; i
< n
; i
++) {
1962 unpack_ubyte_GR88(const void *src
, GLubyte dst
[][4], GLuint n
)
1964 const GLushort
*s
= ((const GLushort
*) src
);
1966 for (i
= 0; i
< n
; i
++) {
1967 dst
[i
][RCOMP
] = s
[i
] & 0xff;
1968 dst
[i
][GCOMP
] = s
[i
] >> 8;
1970 dst
[i
][ACOMP
] = 0xff;
1975 unpack_ubyte_RG88(const void *src
, GLubyte dst
[][4], GLuint n
)
1977 const GLushort
*s
= ((const GLushort
*) src
);
1979 for (i
= 0; i
< n
; i
++) {
1980 dst
[i
][RCOMP
] = s
[i
] >> 8;
1981 dst
[i
][GCOMP
] = s
[i
] & 0xff;
1983 dst
[i
][ACOMP
] = 0xff;
1989 * Unpack rgba colors, returning as GLubyte values. This should usually
1990 * only be used for unpacking formats that use 8 bits or less per channel.
1993 _mesa_unpack_ubyte_rgba_row(gl_format format
, GLuint n
,
1994 const void *src
, GLubyte dst
[][4])
1997 case MESA_FORMAT_RGBA8888
:
1998 unpack_ubyte_RGBA8888(src
, dst
, n
);
2000 case MESA_FORMAT_RGBA8888_REV
:
2001 unpack_ubyte_RGBA8888_REV(src
, dst
, n
);
2003 case MESA_FORMAT_ARGB8888
:
2004 unpack_ubyte_ARGB8888(src
, dst
, n
);
2006 case MESA_FORMAT_ARGB8888_REV
:
2007 unpack_ubyte_ARGB8888_REV(src
, dst
, n
);
2009 case MESA_FORMAT_RGBX8888
:
2010 unpack_ubyte_RGBX8888(src
, dst
, n
);
2012 case MESA_FORMAT_RGBX8888_REV
:
2013 unpack_ubyte_RGBX8888_REV(src
, dst
, n
);
2015 case MESA_FORMAT_XRGB8888
:
2016 unpack_ubyte_XRGB8888(src
, dst
, n
);
2018 case MESA_FORMAT_XRGB8888_REV
:
2019 unpack_ubyte_XRGB8888_REV(src
, dst
, n
);
2021 case MESA_FORMAT_RGB888
:
2022 unpack_ubyte_RGB888(src
, dst
, n
);
2024 case MESA_FORMAT_BGR888
:
2025 unpack_ubyte_BGR888(src
, dst
, n
);
2027 case MESA_FORMAT_RGB565
:
2028 unpack_ubyte_RGB565(src
, dst
, n
);
2030 case MESA_FORMAT_RGB565_REV
:
2031 unpack_ubyte_RGB565_REV(src
, dst
, n
);
2033 case MESA_FORMAT_ARGB4444
:
2034 unpack_ubyte_ARGB4444(src
, dst
, n
);
2036 case MESA_FORMAT_ARGB4444_REV
:
2037 unpack_ubyte_ARGB4444_REV(src
, dst
, n
);
2039 case MESA_FORMAT_RGBA5551
:
2040 unpack_ubyte_RGBA5551(src
, dst
, n
);
2042 case MESA_FORMAT_ARGB1555
:
2043 unpack_ubyte_ARGB1555(src
, dst
, n
);
2045 case MESA_FORMAT_ARGB1555_REV
:
2046 unpack_ubyte_ARGB1555_REV(src
, dst
, n
);
2048 case MESA_FORMAT_AL44
:
2049 unpack_ubyte_AL44(src
, dst
, n
);
2051 case MESA_FORMAT_AL88
:
2052 unpack_ubyte_AL88(src
, dst
, n
);
2054 case MESA_FORMAT_AL88_REV
:
2055 unpack_ubyte_AL88_REV(src
, dst
, n
);
2057 case MESA_FORMAT_RGB332
:
2058 unpack_ubyte_RGB332(src
, dst
, n
);
2060 case MESA_FORMAT_A8
:
2061 unpack_ubyte_A8(src
, dst
, n
);
2063 case MESA_FORMAT_L8
:
2064 unpack_ubyte_L8(src
, dst
, n
);
2066 case MESA_FORMAT_I8
:
2067 unpack_ubyte_I8(src
, dst
, n
);
2069 case MESA_FORMAT_R8
:
2070 unpack_ubyte_R8(src
, dst
, n
);
2072 case MESA_FORMAT_GR88
:
2073 unpack_ubyte_GR88(src
, dst
, n
);
2075 case MESA_FORMAT_RG88
:
2076 unpack_ubyte_RG88(src
, dst
, n
);
2079 /* get float values, convert to ubyte */
2081 GLfloat
*tmp
= (GLfloat
*) malloc(n
* 4 * sizeof(GLfloat
));
2084 _mesa_unpack_rgba_row(format
, n
, src
, (GLfloat (*)[4]) tmp
);
2085 for (i
= 0; i
< n
; i
++) {
2086 UNCLAMPED_FLOAT_TO_UBYTE(dst
[i
][0], tmp
[i
*4+0]);
2087 UNCLAMPED_FLOAT_TO_UBYTE(dst
[i
][1], tmp
[i
*4+1]);
2088 UNCLAMPED_FLOAT_TO_UBYTE(dst
[i
][2], tmp
[i
*4+2]);
2089 UNCLAMPED_FLOAT_TO_UBYTE(dst
[i
][3], tmp
[i
*4+3]);
2099 /**********************************************************************/
2100 /* Unpack, returning GLuint colors */
2101 /**********************************************************************/
2104 unpack_int_rgba_RGBA_UINT32(const GLuint
*src
, GLuint dst
[][4], GLuint n
)
2106 memcpy(dst
, src
, n
* 4 * sizeof(GLuint
));
2110 unpack_int_rgba_RGBA_UINT16(const GLushort
*src
, GLuint dst
[][4], GLuint n
)
2114 for (i
= 0; i
< n
; i
++) {
2115 dst
[i
][0] = src
[i
* 4 + 0];
2116 dst
[i
][1] = src
[i
* 4 + 1];
2117 dst
[i
][2] = src
[i
* 4 + 2];
2118 dst
[i
][3] = src
[i
* 4 + 3];
2123 unpack_int_rgba_RGBA_INT16(const GLshort
*src
, GLuint dst
[][4], GLuint n
)
2127 for (i
= 0; i
< n
; i
++) {
2128 dst
[i
][0] = src
[i
* 4 + 0];
2129 dst
[i
][1] = src
[i
* 4 + 1];
2130 dst
[i
][2] = src
[i
* 4 + 2];
2131 dst
[i
][3] = src
[i
* 4 + 3];
2136 unpack_int_rgba_RGBA_UINT8(const GLubyte
*src
, GLuint dst
[][4], GLuint n
)
2140 for (i
= 0; i
< n
; i
++) {
2141 dst
[i
][0] = src
[i
* 4 + 0];
2142 dst
[i
][1] = src
[i
* 4 + 1];
2143 dst
[i
][2] = src
[i
* 4 + 2];
2144 dst
[i
][3] = src
[i
* 4 + 3];
2149 unpack_int_rgba_RGBA_INT8(const GLbyte
*src
, GLuint dst
[][4], GLuint n
)
2153 for (i
= 0; i
< n
; i
++) {
2154 dst
[i
][0] = src
[i
* 4 + 0];
2155 dst
[i
][1] = src
[i
* 4 + 1];
2156 dst
[i
][2] = src
[i
* 4 + 2];
2157 dst
[i
][3] = src
[i
* 4 + 3];
2162 unpack_int_rgba_ARGB8888(const GLbyte
*src
, GLuint dst
[][4], GLuint n
)
2166 for (i
= 0; i
< n
; i
++) {
2167 dst
[i
][RCOMP
] = (GLubyte
) src
[i
* 4 + 2];
2168 dst
[i
][GCOMP
] = (GLubyte
) src
[i
* 4 + 1];
2169 dst
[i
][BCOMP
] = (GLubyte
) src
[i
* 4 + 0];
2170 dst
[i
][ACOMP
] = (GLubyte
) src
[i
* 4 + 3];
2175 unpack_int_rgba_XRGB8888(const GLbyte
*src
, GLuint dst
[][4], GLuint n
)
2179 for (i
= 0; i
< n
; i
++) {
2180 dst
[i
][RCOMP
] = (GLubyte
) src
[i
* 4 + 2];
2181 dst
[i
][GCOMP
] = (GLubyte
) src
[i
* 4 + 1];
2182 dst
[i
][BCOMP
] = (GLubyte
) src
[i
* 4 + 0];
2183 dst
[i
][ACOMP
] = (GLubyte
) 0xff;
2188 unpack_int_rgba_RGB_UINT32(const GLuint
*src
, GLuint dst
[][4], GLuint n
)
2192 for (i
= 0; i
< n
; i
++) {
2193 dst
[i
][0] = src
[i
* 3 + 0];
2194 dst
[i
][1] = src
[i
* 3 + 1];
2195 dst
[i
][2] = src
[i
* 3 + 2];
2201 unpack_int_rgba_RGB_UINT16(const GLushort
*src
, GLuint dst
[][4], GLuint n
)
2205 for (i
= 0; i
< n
; i
++) {
2206 dst
[i
][0] = src
[i
* 3 + 0];
2207 dst
[i
][1] = src
[i
* 3 + 1];
2208 dst
[i
][2] = src
[i
* 3 + 2];
2214 unpack_int_rgba_RGB_INT16(const GLshort
*src
, GLuint dst
[][4], GLuint n
)
2218 for (i
= 0; i
< n
; i
++) {
2219 dst
[i
][0] = src
[i
* 3 + 0];
2220 dst
[i
][1] = src
[i
* 3 + 1];
2221 dst
[i
][2] = src
[i
* 3 + 2];
2227 unpack_int_rgba_RGB_UINT8(const GLubyte
*src
, GLuint dst
[][4], GLuint n
)
2231 for (i
= 0; i
< n
; i
++) {
2232 dst
[i
][0] = src
[i
* 3 + 0];
2233 dst
[i
][1] = src
[i
* 3 + 1];
2234 dst
[i
][2] = src
[i
* 3 + 2];
2240 unpack_int_rgba_RGB_INT8(const GLbyte
*src
, GLuint dst
[][4], GLuint n
)
2244 for (i
= 0; i
< n
; i
++) {
2245 dst
[i
][0] = src
[i
* 3 + 0];
2246 dst
[i
][1] = src
[i
* 3 + 1];
2247 dst
[i
][2] = src
[i
* 3 + 2];
2253 unpack_int_rgba_RG_UINT32(const GLuint
*src
, GLuint dst
[][4], GLuint n
)
2257 for (i
= 0; i
< n
; i
++) {
2258 dst
[i
][0] = src
[i
* 2 + 0];
2259 dst
[i
][1] = src
[i
* 2 + 1];
2266 unpack_int_rgba_RG_UINT16(const GLushort
*src
, GLuint dst
[][4], GLuint n
)
2270 for (i
= 0; i
< n
; i
++) {
2271 dst
[i
][0] = src
[i
* 2 + 0];
2272 dst
[i
][1] = src
[i
* 2 + 1];
2279 unpack_int_rgba_RG_INT16(const GLshort
*src
, GLuint dst
[][4], GLuint n
)
2283 for (i
= 0; i
< n
; i
++) {
2284 dst
[i
][0] = src
[i
* 2 + 0];
2285 dst
[i
][1] = src
[i
* 2 + 1];
2292 unpack_int_rgba_RG_UINT8(const GLubyte
*src
, GLuint dst
[][4], GLuint n
)
2296 for (i
= 0; i
< n
; i
++) {
2297 dst
[i
][0] = src
[i
* 2 + 0];
2298 dst
[i
][1] = src
[i
* 2 + 1];
2305 unpack_int_rgba_RG_INT8(const GLbyte
*src
, GLuint dst
[][4], GLuint n
)
2309 for (i
= 0; i
< n
; i
++) {
2310 dst
[i
][0] = src
[i
* 2 + 0];
2311 dst
[i
][1] = src
[i
* 2 + 1];
2318 unpack_int_rgba_R_UINT32(const GLuint
*src
, GLuint dst
[][4], GLuint n
)
2322 for (i
= 0; i
< n
; i
++) {
2331 unpack_int_rgba_R_UINT16(const GLushort
*src
, GLuint dst
[][4], GLuint n
)
2335 for (i
= 0; i
< n
; i
++) {
2344 unpack_int_rgba_R_INT16(const GLshort
*src
, GLuint dst
[][4], GLuint n
)
2348 for (i
= 0; i
< n
; i
++) {
2357 unpack_int_rgba_R_UINT8(const GLubyte
*src
, GLuint dst
[][4], GLuint n
)
2361 for (i
= 0; i
< n
; i
++) {
2370 unpack_int_rgba_R_INT8(const GLbyte
*src
, GLuint dst
[][4], GLuint n
)
2374 for (i
= 0; i
< n
; i
++) {
2383 unpack_int_rgba_ALPHA_UINT32(const GLuint
*src
, GLuint dst
[][4], GLuint n
)
2387 for (i
= 0; i
< n
; i
++) {
2388 dst
[i
][0] = dst
[i
][1] = dst
[i
][2] = 0;
2394 unpack_int_rgba_ALPHA_UINT16(const GLushort
*src
, GLuint dst
[][4], GLuint n
)
2398 for (i
= 0; i
< n
; i
++) {
2399 dst
[i
][0] = dst
[i
][1] = dst
[i
][2] = 0;
2405 unpack_int_rgba_ALPHA_INT16(const GLshort
*src
, GLuint dst
[][4], GLuint n
)
2409 for (i
= 0; i
< n
; i
++) {
2410 dst
[i
][0] = dst
[i
][1] = dst
[i
][2] = 0;
2416 unpack_int_rgba_ALPHA_UINT8(const GLubyte
*src
, GLuint dst
[][4], GLuint n
)
2420 for (i
= 0; i
< n
; i
++) {
2421 dst
[i
][0] = dst
[i
][1] = dst
[i
][2] = 0;
2427 unpack_int_rgba_ALPHA_INT8(const GLbyte
*src
, GLuint dst
[][4], GLuint n
)
2431 for (i
= 0; i
< n
; i
++) {
2432 dst
[i
][0] = dst
[i
][1] = dst
[i
][2] = 0;
2438 unpack_int_rgba_LUMINANCE_UINT32(const GLuint
*src
, GLuint dst
[][4], GLuint n
)
2442 for (i
= 0; i
< n
; i
++) {
2443 dst
[i
][0] = dst
[i
][1] = dst
[i
][2] = src
[i
];
2449 unpack_int_rgba_LUMINANCE_UINT16(const GLushort
*src
, GLuint dst
[][4], GLuint n
)
2453 for (i
= 0; i
< n
; i
++) {
2454 dst
[i
][0] = dst
[i
][1] = dst
[i
][2] = src
[i
];
2460 unpack_int_rgba_LUMINANCE_INT16(const GLshort
*src
, GLuint dst
[][4], GLuint n
)
2464 for (i
= 0; i
< n
; i
++) {
2465 dst
[i
][0] = dst
[i
][1] = dst
[i
][2] = src
[i
];
2471 unpack_int_rgba_LUMINANCE_UINT8(const GLubyte
*src
, GLuint dst
[][4], GLuint n
)
2475 for (i
= 0; i
< n
; i
++) {
2476 dst
[i
][0] = dst
[i
][1] = dst
[i
][2] = src
[i
];
2482 unpack_int_rgba_LUMINANCE_INT8(const GLbyte
*src
, GLuint dst
[][4], GLuint n
)
2486 for (i
= 0; i
< n
; i
++) {
2487 dst
[i
][0] = dst
[i
][1] = dst
[i
][2] = src
[i
];
2494 unpack_int_rgba_LUMINANCE_ALPHA_UINT32(const GLuint
*src
, GLuint dst
[][4], GLuint n
)
2498 for (i
= 0; i
< n
; i
++) {
2499 dst
[i
][0] = dst
[i
][1] = dst
[i
][2] = src
[i
* 2 + 0];
2500 dst
[i
][3] = src
[i
* 2 + 1];
2505 unpack_int_rgba_LUMINANCE_ALPHA_UINT16(const GLushort
*src
, GLuint dst
[][4], GLuint n
)
2509 for (i
= 0; i
< n
; i
++) {
2510 dst
[i
][0] = dst
[i
][1] = dst
[i
][2] = src
[i
* 2 + 0];
2511 dst
[i
][3] = src
[i
* 2 + 1];
2516 unpack_int_rgba_LUMINANCE_ALPHA_INT16(const GLshort
*src
, GLuint dst
[][4], GLuint n
)
2520 for (i
= 0; i
< n
; i
++) {
2521 dst
[i
][0] = dst
[i
][1] = dst
[i
][2] = src
[i
* 2 + 0];
2522 dst
[i
][3] = src
[i
* 2 + 1];
2527 unpack_int_rgba_LUMINANCE_ALPHA_UINT8(const GLubyte
*src
, GLuint dst
[][4], GLuint n
)
2531 for (i
= 0; i
< n
; i
++) {
2532 dst
[i
][0] = dst
[i
][1] = dst
[i
][2] = src
[i
* 2 + 0];
2533 dst
[i
][3] = src
[i
* 2 + 1];
2538 unpack_int_rgba_LUMINANCE_ALPHA_INT8(const GLbyte
*src
, GLuint dst
[][4], GLuint n
)
2542 for (i
= 0; i
< n
; i
++) {
2543 dst
[i
][0] = dst
[i
][1] = dst
[i
][2] = src
[i
* 2 + 0];
2544 dst
[i
][3] = src
[i
* 2 + 1];
2549 unpack_int_rgba_INTENSITY_UINT32(const GLuint
*src
, GLuint dst
[][4], GLuint n
)
2553 for (i
= 0; i
< n
; i
++) {
2554 dst
[i
][0] = dst
[i
][1] = dst
[i
][2] = dst
[i
][3] = src
[i
];
2559 unpack_int_rgba_INTENSITY_UINT16(const GLushort
*src
, GLuint dst
[][4], GLuint n
)
2563 for (i
= 0; i
< n
; i
++) {
2564 dst
[i
][0] = dst
[i
][1] = dst
[i
][2] = dst
[i
][3] = src
[i
];
2569 unpack_int_rgba_INTENSITY_INT16(const GLshort
*src
, GLuint dst
[][4], GLuint n
)
2573 for (i
= 0; i
< n
; i
++) {
2574 dst
[i
][0] = dst
[i
][1] = dst
[i
][2] = dst
[i
][3] = src
[i
];
2579 unpack_int_rgba_INTENSITY_UINT8(const GLubyte
*src
, GLuint dst
[][4], GLuint n
)
2583 for (i
= 0; i
< n
; i
++) {
2584 dst
[i
][0] = dst
[i
][1] = dst
[i
][2] = dst
[i
][3] = src
[i
];
2589 unpack_int_rgba_INTENSITY_INT8(const GLbyte
*src
, GLuint dst
[][4], GLuint n
)
2593 for (i
= 0; i
< n
; i
++) {
2594 dst
[i
][0] = dst
[i
][1] = dst
[i
][2] = dst
[i
][3] = src
[i
];
2599 unpack_int_rgba_ARGB2101010_UINT(const GLuint
*src
, GLuint dst
[][4], GLuint n
)
2603 for (i
= 0; i
< n
; i
++) {
2604 GLuint tmp
= src
[i
];
2605 dst
[i
][0] = (tmp
>> 20) & 0x3ff;
2606 dst
[i
][1] = (tmp
>> 10) & 0x3ff;
2607 dst
[i
][2] = (tmp
>> 0) & 0x3ff;
2608 dst
[i
][3] = (tmp
>> 30) & 0x3;
2613 unpack_int_rgba_ABGR2101010_UINT(const GLuint
*src
, GLuint dst
[][4], GLuint n
)
2617 for (i
= 0; i
< n
; i
++) {
2618 GLuint tmp
= src
[i
];
2619 dst
[i
][0] = (tmp
>> 0) & 0x3ff;
2620 dst
[i
][1] = (tmp
>> 10) & 0x3ff;
2621 dst
[i
][2] = (tmp
>> 20) & 0x3ff;
2622 dst
[i
][3] = (tmp
>> 30) & 0x3;
2627 _mesa_unpack_uint_rgba_row(gl_format format
, GLuint n
,
2628 const void *src
, GLuint dst
[][4])
2631 /* Since there won't be any sign extension happening, there's no need to
2632 * make separate paths for 32-bit-to-32-bit integer unpack.
2634 case MESA_FORMAT_RGBA_UINT32
:
2635 case MESA_FORMAT_RGBA_INT32
:
2636 unpack_int_rgba_RGBA_UINT32(src
, dst
, n
);
2639 case MESA_FORMAT_RGBA_UINT16
:
2640 unpack_int_rgba_RGBA_UINT16(src
, dst
, n
);
2642 case MESA_FORMAT_RGBA_INT16
:
2643 unpack_int_rgba_RGBA_INT16(src
, dst
, n
);
2646 case MESA_FORMAT_RGBA_UINT8
:
2647 unpack_int_rgba_RGBA_UINT8(src
, dst
, n
);
2649 case MESA_FORMAT_RGBA_INT8
:
2650 unpack_int_rgba_RGBA_INT8(src
, dst
, n
);
2653 case MESA_FORMAT_ARGB8888
:
2654 unpack_int_rgba_ARGB8888(src
, dst
, n
);
2657 case MESA_FORMAT_XRGB8888
:
2658 unpack_int_rgba_XRGB8888(src
, dst
, n
);
2661 case MESA_FORMAT_RGB_UINT32
:
2662 case MESA_FORMAT_RGB_INT32
:
2663 unpack_int_rgba_RGB_UINT32(src
, dst
, n
);
2666 case MESA_FORMAT_RGB_UINT16
:
2667 unpack_int_rgba_RGB_UINT16(src
, dst
, n
);
2669 case MESA_FORMAT_RGB_INT16
:
2670 unpack_int_rgba_RGB_INT16(src
, dst
, n
);
2673 case MESA_FORMAT_RGB_UINT8
:
2674 unpack_int_rgba_RGB_UINT8(src
, dst
, n
);
2676 case MESA_FORMAT_RGB_INT8
:
2677 unpack_int_rgba_RGB_INT8(src
, dst
, n
);
2680 case MESA_FORMAT_RG_UINT32
:
2681 case MESA_FORMAT_RG_INT32
:
2682 unpack_int_rgba_RG_UINT32(src
, dst
, n
);
2685 case MESA_FORMAT_RG_UINT16
:
2686 unpack_int_rgba_RG_UINT16(src
, dst
, n
);
2688 case MESA_FORMAT_RG_INT16
:
2689 unpack_int_rgba_RG_INT16(src
, dst
, n
);
2692 case MESA_FORMAT_RG_UINT8
:
2693 unpack_int_rgba_RG_UINT8(src
, dst
, n
);
2695 case MESA_FORMAT_RG_INT8
:
2696 unpack_int_rgba_RG_INT8(src
, dst
, n
);
2699 case MESA_FORMAT_R_UINT32
:
2700 case MESA_FORMAT_R_INT32
:
2701 unpack_int_rgba_R_UINT32(src
, dst
, n
);
2704 case MESA_FORMAT_R_UINT16
:
2705 unpack_int_rgba_R_UINT16(src
, dst
, n
);
2707 case MESA_FORMAT_R_INT16
:
2708 unpack_int_rgba_R_INT16(src
, dst
, n
);
2711 case MESA_FORMAT_R_UINT8
:
2712 unpack_int_rgba_R_UINT8(src
, dst
, n
);
2714 case MESA_FORMAT_R_INT8
:
2715 unpack_int_rgba_R_INT8(src
, dst
, n
);
2718 case MESA_FORMAT_ALPHA_UINT32
:
2719 case MESA_FORMAT_ALPHA_INT32
:
2720 unpack_int_rgba_ALPHA_UINT32(src
, dst
, n
);
2723 case MESA_FORMAT_ALPHA_UINT16
:
2724 unpack_int_rgba_ALPHA_UINT16(src
, dst
, n
);
2726 case MESA_FORMAT_ALPHA_INT16
:
2727 unpack_int_rgba_ALPHA_INT16(src
, dst
, n
);
2730 case MESA_FORMAT_ALPHA_UINT8
:
2731 unpack_int_rgba_ALPHA_UINT8(src
, dst
, n
);
2733 case MESA_FORMAT_ALPHA_INT8
:
2734 unpack_int_rgba_ALPHA_INT8(src
, dst
, n
);
2737 case MESA_FORMAT_LUMINANCE_UINT32
:
2738 case MESA_FORMAT_LUMINANCE_INT32
:
2739 unpack_int_rgba_LUMINANCE_UINT32(src
, dst
, n
);
2741 case MESA_FORMAT_LUMINANCE_UINT16
:
2742 unpack_int_rgba_LUMINANCE_UINT16(src
, dst
, n
);
2744 case MESA_FORMAT_LUMINANCE_INT16
:
2745 unpack_int_rgba_LUMINANCE_INT16(src
, dst
, n
);
2748 case MESA_FORMAT_LUMINANCE_UINT8
:
2749 unpack_int_rgba_LUMINANCE_UINT8(src
, dst
, n
);
2751 case MESA_FORMAT_LUMINANCE_INT8
:
2752 unpack_int_rgba_LUMINANCE_INT8(src
, dst
, n
);
2755 case MESA_FORMAT_LUMINANCE_ALPHA_UINT32
:
2756 case MESA_FORMAT_LUMINANCE_ALPHA_INT32
:
2757 unpack_int_rgba_LUMINANCE_ALPHA_UINT32(src
, dst
, n
);
2760 case MESA_FORMAT_LUMINANCE_ALPHA_UINT16
:
2761 unpack_int_rgba_LUMINANCE_ALPHA_UINT16(src
, dst
, n
);
2763 case MESA_FORMAT_LUMINANCE_ALPHA_INT16
:
2764 unpack_int_rgba_LUMINANCE_ALPHA_INT16(src
, dst
, n
);
2767 case MESA_FORMAT_LUMINANCE_ALPHA_UINT8
:
2768 unpack_int_rgba_LUMINANCE_ALPHA_UINT8(src
, dst
, n
);
2770 case MESA_FORMAT_LUMINANCE_ALPHA_INT8
:
2771 unpack_int_rgba_LUMINANCE_ALPHA_INT8(src
, dst
, n
);
2774 case MESA_FORMAT_INTENSITY_UINT32
:
2775 case MESA_FORMAT_INTENSITY_INT32
:
2776 unpack_int_rgba_INTENSITY_UINT32(src
, dst
, n
);
2779 case MESA_FORMAT_INTENSITY_UINT16
:
2780 unpack_int_rgba_INTENSITY_UINT16(src
, dst
, n
);
2782 case MESA_FORMAT_INTENSITY_INT16
:
2783 unpack_int_rgba_INTENSITY_INT16(src
, dst
, n
);
2786 case MESA_FORMAT_INTENSITY_UINT8
:
2787 unpack_int_rgba_INTENSITY_UINT8(src
, dst
, n
);
2789 case MESA_FORMAT_INTENSITY_INT8
:
2790 unpack_int_rgba_INTENSITY_INT8(src
, dst
, n
);
2793 case MESA_FORMAT_ARGB2101010_UINT
:
2794 unpack_int_rgba_ARGB2101010_UINT(src
, dst
, n
);
2797 case MESA_FORMAT_ABGR2101010_UINT
:
2798 unpack_int_rgba_ABGR2101010_UINT(src
, dst
, n
);
2802 _mesa_problem(NULL
, "%s: bad format %s", __FUNCTION__
,
2803 _mesa_get_format_name(format
));
2809 * Unpack a 2D rect of pixels returning float RGBA colors.
2810 * \param format the source image format
2811 * \param src start address of the source image
2812 * \param srcRowStride source image row stride in bytes
2813 * \param dst start address of the dest image
2814 * \param dstRowStride dest image row stride in bytes
2815 * \param x source image start X pos
2816 * \param y source image start Y pos
2817 * \param width width of rect region to convert
2818 * \param height height of rect region to convert
2821 _mesa_unpack_rgba_block(gl_format format
,
2822 const void *src
, GLint srcRowStride
,
2823 GLfloat dst
[][4], GLint dstRowStride
,
2824 GLuint x
, GLuint y
, GLuint width
, GLuint height
)
2826 unpack_rgba_func unpack
= get_unpack_rgba_function(format
);
2827 const GLuint srcPixStride
= _mesa_get_format_bytes(format
);
2828 const GLuint dstPixStride
= 4 * sizeof(GLfloat
);
2829 const GLubyte
*srcRow
;
2833 /* XXX needs to be fixed for compressed formats */
2835 srcRow
= ((const GLubyte
*) src
) + srcRowStride
* y
+ srcPixStride
* x
;
2836 dstRow
= ((GLubyte
*) dst
) + dstRowStride
* y
+ dstPixStride
* x
;
2838 for (i
= 0; i
< height
; i
++) {
2839 unpack(srcRow
, (GLfloat (*)[4]) dstRow
, width
);
2841 dstRow
+= dstRowStride
;
2842 srcRow
+= srcRowStride
;
2849 typedef void (*unpack_float_z_func
)(GLuint n
, const void *src
, GLfloat
*dst
);
2852 unpack_float_z_Z24_X8(GLuint n
, const void *src
, GLfloat
*dst
)
2854 /* only return Z, not stencil data */
2855 const GLuint
*s
= ((const GLuint
*) src
);
2856 const GLdouble scale
= 1.0 / (GLdouble
) 0xffffff;
2858 for (i
= 0; i
< n
; i
++) {
2859 dst
[i
] = (s
[i
] >> 8) * scale
;
2860 ASSERT(dst
[i
] >= 0.0F
);
2861 ASSERT(dst
[i
] <= 1.0F
);
2866 unpack_float_z_X8_Z24(GLuint n
, const void *src
, GLfloat
*dst
)
2868 /* only return Z, not stencil data */
2869 const GLuint
*s
= ((const GLuint
*) src
);
2870 const GLdouble scale
= 1.0 / (GLdouble
) 0xffffff;
2872 for (i
= 0; i
< n
; i
++) {
2873 dst
[i
] = (s
[i
] & 0x00ffffff) * scale
;
2874 ASSERT(dst
[i
] >= 0.0F
);
2875 ASSERT(dst
[i
] <= 1.0F
);
2880 unpack_float_z_Z16(GLuint n
, const void *src
, GLfloat
*dst
)
2882 const GLushort
*s
= ((const GLushort
*) src
);
2884 for (i
= 0; i
< n
; i
++) {
2885 dst
[i
] = s
[i
] * (1.0F
/ 65535.0F
);
2890 unpack_float_z_Z32(GLuint n
, const void *src
, GLfloat
*dst
)
2892 const GLuint
*s
= ((const GLuint
*) src
);
2894 for (i
= 0; i
< n
; i
++) {
2895 dst
[i
] = s
[i
] * (1.0F
/ 0xffffffff);
2900 unpack_float_z_Z32F(GLuint n
, const void *src
, GLfloat
*dst
)
2902 memcpy(dst
, src
, n
* sizeof(float));
2906 unpack_float_z_Z32X24S8(GLuint n
, const void *src
, GLfloat
*dst
)
2908 const struct z32f_x24s8
*s
= (const struct z32f_x24s8
*) src
;
2910 for (i
= 0; i
< n
; i
++) {
2919 * The returned values will always be in the range [0.0, 1.0].
2922 _mesa_unpack_float_z_row(gl_format format
, GLuint n
,
2923 const void *src
, GLfloat
*dst
)
2925 unpack_float_z_func unpack
;
2928 case MESA_FORMAT_Z24_S8
:
2929 case MESA_FORMAT_Z24_X8
:
2930 unpack
= unpack_float_z_Z24_X8
;
2932 case MESA_FORMAT_S8_Z24
:
2933 case MESA_FORMAT_X8_Z24
:
2934 unpack
= unpack_float_z_X8_Z24
;
2936 case MESA_FORMAT_Z16
:
2937 unpack
= unpack_float_z_Z16
;
2939 case MESA_FORMAT_Z32
:
2940 unpack
= unpack_float_z_Z32
;
2942 case MESA_FORMAT_Z32_FLOAT
:
2943 unpack
= unpack_float_z_Z32F
;
2945 case MESA_FORMAT_Z32_FLOAT_X24S8
:
2946 unpack
= unpack_float_z_Z32X24S8
;
2949 _mesa_problem(NULL
, "bad format %s in _mesa_unpack_float_z_row",
2950 _mesa_get_format_name(format
));
2954 unpack(n
, src
, dst
);
2959 typedef void (*unpack_uint_z_func
)(const void *src
, GLuint
*dst
, GLuint n
);
2962 unpack_uint_z_Z24_X8(const void *src
, GLuint
*dst
, GLuint n
)
2964 /* only return Z, not stencil data */
2965 const GLuint
*s
= ((const GLuint
*) src
);
2967 for (i
= 0; i
< n
; i
++) {
2968 dst
[i
] = (s
[i
] & 0xffffff00) | (s
[i
] >> 24);
2973 unpack_uint_z_X8_Z24(const void *src
, GLuint
*dst
, GLuint n
)
2975 /* only return Z, not stencil data */
2976 const GLuint
*s
= ((const GLuint
*) src
);
2978 for (i
= 0; i
< n
; i
++) {
2979 dst
[i
] = (s
[i
] << 8) | ((s
[i
] >> 16) & 0xff);
2984 unpack_uint_z_Z16(const void *src
, GLuint
*dst
, GLuint n
)
2986 const GLushort
*s
= ((const GLushort
*)src
);
2988 for (i
= 0; i
< n
; i
++) {
2989 dst
[i
] = (s
[i
] << 16) | s
[i
];
2994 unpack_uint_z_Z32(const void *src
, GLuint
*dst
, GLuint n
)
2996 memcpy(dst
, src
, n
* sizeof(GLuint
));
3000 unpack_uint_z_Z32_FLOAT(const void *src
, GLuint
*dst
, GLuint n
)
3002 const float *s
= (const float *)src
;
3004 for (i
= 0; i
< n
; i
++) {
3005 dst
[i
] = FLOAT_TO_UINT(CLAMP(s
[i
], 0.0F
, 1.0F
));
3010 unpack_uint_z_Z32_FLOAT_X24S8(const void *src
, GLuint
*dst
, GLuint n
)
3012 const struct z32f_x24s8
*s
= (const struct z32f_x24s8
*) src
;
3015 for (i
= 0; i
< n
; i
++) {
3016 dst
[i
] = FLOAT_TO_UINT(CLAMP(s
[i
].z
, 0.0F
, 1.0F
));
3023 * The returned values will always be in the range [0, 0xffffffff].
3026 _mesa_unpack_uint_z_row(gl_format format
, GLuint n
,
3027 const void *src
, GLuint
*dst
)
3029 unpack_uint_z_func unpack
;
3030 const GLubyte
*srcPtr
= (GLubyte
*) src
;
3033 case MESA_FORMAT_Z24_S8
:
3034 case MESA_FORMAT_Z24_X8
:
3035 unpack
= unpack_uint_z_Z24_X8
;
3037 case MESA_FORMAT_S8_Z24
:
3038 case MESA_FORMAT_X8_Z24
:
3039 unpack
= unpack_uint_z_X8_Z24
;
3041 case MESA_FORMAT_Z16
:
3042 unpack
= unpack_uint_z_Z16
;
3044 case MESA_FORMAT_Z32
:
3045 unpack
= unpack_uint_z_Z32
;
3047 case MESA_FORMAT_Z32_FLOAT
:
3048 unpack
= unpack_uint_z_Z32_FLOAT
;
3050 case MESA_FORMAT_Z32_FLOAT_X24S8
:
3051 unpack
= unpack_uint_z_Z32_FLOAT_X24S8
;
3054 _mesa_problem(NULL
, "bad format %s in _mesa_unpack_uint_z_row",
3055 _mesa_get_format_name(format
));
3059 unpack(srcPtr
, dst
, n
);
3064 unpack_ubyte_s_S8(const void *src
, GLubyte
*dst
, GLuint n
)
3066 memcpy(dst
, src
, n
);
3070 unpack_ubyte_s_Z24_S8(const void *src
, GLubyte
*dst
, GLuint n
)
3073 const GLuint
*src32
= src
;
3075 for (i
= 0; i
< n
; i
++)
3076 dst
[i
] = src32
[i
] & 0xff;
3080 unpack_ubyte_s_S8_Z24(const void *src
, GLubyte
*dst
, GLuint n
)
3083 const GLuint
*src32
= src
;
3085 for (i
= 0; i
< n
; i
++)
3086 dst
[i
] = src32
[i
] >> 24;
3090 unpack_ubyte_s_Z32_FLOAT_X24S8(const void *src
, GLubyte
*dst
, GLuint n
)
3093 const struct z32f_x24s8
*s
= (const struct z32f_x24s8
*) src
;
3095 for (i
= 0; i
< n
; i
++)
3096 dst
[i
] = s
[i
].x24s8
& 0xff;
3100 _mesa_unpack_ubyte_stencil_row(gl_format format
, GLuint n
,
3101 const void *src
, GLubyte
*dst
)
3104 case MESA_FORMAT_S8
:
3105 unpack_ubyte_s_S8(src
, dst
, n
);
3107 case MESA_FORMAT_Z24_S8
:
3108 unpack_ubyte_s_Z24_S8(src
, dst
, n
);
3110 case MESA_FORMAT_S8_Z24
:
3111 unpack_ubyte_s_S8_Z24(src
, dst
, n
);
3113 case MESA_FORMAT_Z32_FLOAT_X24S8
:
3114 unpack_ubyte_s_Z32_FLOAT_X24S8(src
, dst
, n
);
3117 _mesa_problem(NULL
, "bad format %s in _mesa_unpack_ubyte_s_row",
3118 _mesa_get_format_name(format
));
3124 unpack_uint_24_8_depth_stencil_S8_Z24(const GLuint
*src
, GLuint
*dst
, GLuint n
)
3128 for (i
= 0; i
< n
; i
++) {
3129 GLuint val
= src
[i
];
3130 dst
[i
] = val
>> 24 | val
<< 8;
3135 unpack_uint_24_8_depth_stencil_Z24_S8(const GLuint
*src
, GLuint
*dst
, GLuint n
)
3137 memcpy(dst
, src
, n
* 4);
3141 _mesa_unpack_uint_24_8_depth_stencil_row(gl_format format
, GLuint n
,
3142 const void *src
, GLuint
*dst
)
3145 case MESA_FORMAT_Z24_S8
:
3146 unpack_uint_24_8_depth_stencil_Z24_S8(src
, dst
, n
);
3148 case MESA_FORMAT_S8_Z24
:
3149 unpack_uint_24_8_depth_stencil_S8_Z24(src
, dst
, n
);
3153 "bad format %s in _mesa_unpack_uint_24_8_depth_stencil_row",
3154 _mesa_get_format_name(format
));