2 * Copyright (C) 2010 Maciej Cencora <m.cencora@gmail.com>
6 * Permission is hereby granted, free of charge, to any person obtaining
7 * a copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sublicense, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial
16 * portions of the Software.
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
19 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
21 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
22 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
23 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
24 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
28 #include "radeon_tile.h"
33 #include "main/macros.h"
34 #include "radeon_debug.h"
36 #define MICRO_TILE_SIZE 32
38 static void micro_tile_8_x_4_8bit(const void * const src, unsigned src_pitch,
39 void * const dst, unsigned dst_pitch,
40 unsigned width, unsigned height)
42 unsigned row; /* current source row */
43 unsigned col; /* current source column */
44 unsigned k; /* number of processed tiles */
45 const unsigned tile_width = 8, tile_height = 4;
46 const unsigned tiles_in_row = (width + (tile_width - 1)) / tile_width;
49 for (row = 0; row < height; row += tile_height)
51 for (col = 0; col < width; col += tile_width, ++k)
53 uint8_t *src2 = (uint8_t *)src + src_pitch * row + col;
54 uint8_t *dst2 = (uint8_t *)dst + row * dst_pitch +
55 (k % tiles_in_row) * MICRO_TILE_SIZE / sizeof(uint8_t);
58 for (j = 0; j < MIN2(tile_height, height - row); ++j)
60 unsigned columns = MIN2(tile_width, width - col);
61 memcpy(dst2, src2, columns * sizeof(uint8_t));
69 static void micro_tile_4_x_4_16bit(const void * const src, unsigned src_pitch,
70 void * const dst, unsigned dst_pitch,
71 unsigned width, unsigned height)
73 unsigned row; /* current source row */
74 unsigned col; /* current source column */
75 unsigned k; /* number of processed tiles */
76 const unsigned tile_width = 4, tile_height = 4;
77 const unsigned tiles_in_row = (width + (tile_width - 1)) / tile_width;
80 for (row = 0; row < height; row += tile_height)
82 for (col = 0; col < width; col += tile_width, ++k)
84 uint16_t *src2 = (uint16_t *)src + src_pitch * row + col;
85 uint16_t *dst2 = (uint16_t *)dst + row * dst_pitch +
86 (k % tiles_in_row) * MICRO_TILE_SIZE / sizeof(uint16_t);
89 for (j = 0; j < MIN2(tile_height, height - row); ++j)
91 unsigned columns = MIN2(tile_width, width - col);
92 memcpy(dst2, src2, columns * sizeof(uint16_t));
100 static void micro_tile_8_x_2_16bit(const void * const src, unsigned src_pitch,
101 void * const dst, unsigned dst_pitch,
102 unsigned width, unsigned height)
104 unsigned row; /* current source row */
105 unsigned col; /* current source column */
106 unsigned k; /* number of processed tiles */
107 const unsigned tile_width = 8, tile_height = 2;
108 const unsigned tiles_in_row = (width + (tile_width - 1)) / tile_width;
111 for (row = 0; row < height; row += tile_height)
113 for (col = 0; col < width; col += tile_width, ++k)
115 uint16_t *src2 = (uint16_t *)src + src_pitch * row + col;
116 uint16_t *dst2 = (uint16_t *)dst + row * dst_pitch +
117 (k % tiles_in_row) * MICRO_TILE_SIZE / sizeof(uint16_t);
120 for (j = 0; j < MIN2(tile_height, height - row); ++j)
122 unsigned columns = MIN2(tile_width, width - col);
123 memcpy(dst2, src2, columns * sizeof(uint16_t));
131 static void micro_tile_4_x_2_32bit(const void * const src, unsigned src_pitch,
132 void * const dst, unsigned dst_pitch,
133 unsigned width, unsigned height)
135 unsigned row; /* current source row */
136 unsigned col; /* current source column */
137 unsigned k; /* number of processed tiles */
138 const unsigned tile_width = 4, tile_height = 2;
139 const unsigned tiles_in_row = (width + (tile_width - 1)) / tile_width;
142 for (row = 0; row < height; row += tile_height)
144 for (col = 0; col < width; col += tile_width, ++k)
146 uint32_t *src2 = (uint32_t *)src + src_pitch * row + col;
147 uint32_t *dst2 = (uint32_t *)dst + row * dst_pitch +
148 (k % tiles_in_row) * MICRO_TILE_SIZE / sizeof(uint32_t);
151 for (j = 0; j < MIN2(tile_height, height - row); ++j)
153 unsigned columns = MIN2(tile_width, width - col);
154 memcpy(dst2, src2, columns * sizeof(uint32_t));
162 static void micro_tile_2_x_2_64bit(const void * const src, unsigned src_pitch,
163 void * const dst, unsigned dst_pitch,
164 unsigned width, unsigned height)
166 unsigned row; /* current source row */
167 unsigned col; /* current source column */
168 unsigned k; /* number of processed tiles */
169 const unsigned tile_width = 2, tile_height = 2;
170 const unsigned tiles_in_row = (width + (tile_width - 1)) / tile_width;
173 for (row = 0; row < height; row += tile_height)
175 for (col = 0; col < width; col += tile_width, ++k)
177 uint64_t *src2 = (uint64_t *)src + src_pitch * row + col;
178 uint64_t *dst2 = (uint64_t *)dst + row * dst_pitch +
179 (k % tiles_in_row) * MICRO_TILE_SIZE / sizeof(uint64_t);
182 for (j = 0; j < MIN2(tile_height, height - row); ++j)
184 unsigned columns = MIN2(tile_width, width - col);
185 memcpy(dst2, src2, columns * sizeof(uint64_t));
193 static void micro_tile_1_x_1_128bit(const void * src, unsigned src_pitch,
194 void * dst, unsigned dst_pitch,
195 unsigned width, unsigned height)
198 const unsigned elem_size = 16; /* sizeof(uint128_t) */
200 for (j = 0; j < height; ++j)
202 for (i = 0; i < width; ++i)
204 memcpy(dst, src, width * elem_size);
205 dst += dst_pitch * elem_size;
206 src += src_pitch * elem_size;
211 void tile_image(const void * src, unsigned src_pitch,
212 void *dst, unsigned dst_pitch,
213 gl_format format, unsigned width, unsigned height)
215 assert(src_pitch >= width);
216 assert(dst_pitch >= width);
218 radeon_print(RADEON_TEXTURE, RADEON_TRACE,
219 "Software tiling: src_pitch %d, dst_pitch %d, width %d, height %d, bpp %d\n",
220 src_pitch, dst_pitch, width, height, _mesa_get_format_bytes(format));
222 switch (_mesa_get_format_bytes(format))
225 micro_tile_1_x_1_128bit(src, src_pitch, dst, dst_pitch, width, height);
228 micro_tile_2_x_2_64bit(src, src_pitch, dst, dst_pitch, width, height);
231 micro_tile_4_x_2_32bit(src, src_pitch, dst, dst_pitch, width, height);
234 if (_mesa_get_format_bits(format, GL_DEPTH_BITS))
236 micro_tile_4_x_4_16bit(src, src_pitch, dst, dst_pitch, width, height);
240 micro_tile_8_x_2_16bit(src, src_pitch, dst, dst_pitch, width, height);
244 micro_tile_8_x_4_8bit(src, src_pitch, dst, dst_pitch, width, height);
252 static void micro_untile_8_x_4_8bit(const void * const src, unsigned src_pitch,
253 void * const dst, unsigned dst_pitch,
254 unsigned width, unsigned height)
256 unsigned row; /* current destination row */
257 unsigned col; /* current destination column */
258 unsigned k; /* current tile number */
259 const unsigned tile_width = 8, tile_height = 4;
260 const unsigned tiles_in_row = (width + (tile_width - 1)) / tile_width;
262 assert(src_pitch % tile_width == 0);
265 for (row = 0; row < height; row += tile_height)
267 for (col = 0; col < width; col += tile_width, ++k)
269 uint8_t *src2 = (uint8_t *)src + row * src_pitch +
270 (k % tiles_in_row) * MICRO_TILE_SIZE / sizeof(uint8_t);
271 uint8_t *dst2 = (uint8_t *)dst + dst_pitch * row + col;
274 for (j = 0; j < MIN2(tile_height, height - row); ++j)
276 unsigned columns = MIN2(tile_width, width - col);
277 memcpy(dst2, src2, columns * sizeof(uint8_t));
285 static void micro_untile_8_x_2_16bit(const void * const src, unsigned src_pitch,
286 void * const dst, unsigned dst_pitch,
287 unsigned width, unsigned height)
289 unsigned row; /* current destination row */
290 unsigned col; /* current destination column */
291 unsigned k; /* current tile number */
292 const unsigned tile_width = 8, tile_height = 2;
293 const unsigned tiles_in_row = (width + (tile_width - 1)) / tile_width;
295 assert(src_pitch % tile_width == 0);
298 for (row = 0; row < height; row += tile_height)
300 for (col = 0; col < width; col += tile_width, ++k)
302 uint16_t *src2 = (uint16_t *)src + row * src_pitch +
303 (k % tiles_in_row) * MICRO_TILE_SIZE / sizeof(uint16_t);
304 uint16_t *dst2 = (uint16_t *)dst + dst_pitch * row + col;
307 for (j = 0; j < MIN2(tile_height, height - row); ++j)
309 unsigned columns = MIN2(tile_width, width - col);
310 memcpy(dst2, src2, columns * sizeof(uint16_t));
318 static void micro_untile_4_x_4_16bit(const void * const src, unsigned src_pitch,
319 void * const dst, unsigned dst_pitch,
320 unsigned width, unsigned height)
322 unsigned row; /* current destination row */
323 unsigned col; /* current destination column */
324 unsigned k; /* current tile number */
325 const unsigned tile_width = 4, tile_height = 4;
326 const unsigned tiles_in_row = (width + (tile_width - 1)) / tile_width;
328 assert(src_pitch % tile_width == 0);
331 for (row = 0; row < height; row += tile_height)
333 for (col = 0; col < width; col += tile_width, ++k)
335 uint16_t *src2 = (uint16_t *)src + row * src_pitch +
336 (k % tiles_in_row) * MICRO_TILE_SIZE / sizeof(uint16_t);
337 uint16_t *dst2 = (uint16_t *)dst + dst_pitch * row + col;
340 for (j = 0; j < MIN2(tile_height, height - row); ++j)
342 unsigned columns = MIN2(tile_width, width - col);
343 memcpy(dst2, src2, columns * sizeof(uint16_t));
351 static void micro_untile_4_x_2_32bit(const void * const src, unsigned src_pitch,
352 void * const dst, unsigned dst_pitch,
353 unsigned width, unsigned height)
355 unsigned row; /* current destination row */
356 unsigned col; /* current destination column */
357 unsigned k; /* current tile number */
358 const unsigned tile_width = 4, tile_height = 2;
359 const unsigned tiles_in_row = (width + (tile_width - 1)) / tile_width;
361 assert(src_pitch % tile_width == 0);
364 for (row = 0; row < height; row += tile_height)
366 for (col = 0; col < width; col += tile_width, ++k)
368 uint32_t *src2 = (uint32_t *)src + row * src_pitch +
369 (k % tiles_in_row) * MICRO_TILE_SIZE / sizeof(uint32_t);
370 uint32_t *dst2 = (uint32_t *)dst + dst_pitch * row + col;
373 for (j = 0; j < MIN2(tile_height, height - row); ++j)
375 unsigned columns = MIN2(tile_width, width - col);
376 memcpy(dst2, src2, columns * sizeof(uint32_t));
384 static void micro_untile_2_x_2_64bit(const void * const src, unsigned src_pitch,
385 void * const dst, unsigned dst_pitch,
386 unsigned width, unsigned height)
388 unsigned row; /* current destination row */
389 unsigned col; /* current destination column */
390 unsigned k; /* current tile number */
391 const unsigned tile_width = 2, tile_height = 2;
392 const unsigned tiles_in_row = (width + (tile_width - 1)) / tile_width;
394 assert(src_pitch % tile_width == 0);
397 for (row = 0; row < height; row += tile_height)
399 for (col = 0; col < width; col += tile_width, ++k)
401 uint64_t *src2 = (uint64_t *)src + row * src_pitch +
402 (k % tiles_in_row) * MICRO_TILE_SIZE / sizeof(uint64_t);
403 uint64_t *dst2 = (uint64_t *)dst + dst_pitch * row + col;
406 for (j = 0; j < MIN2(tile_height, height - row); ++j)
408 unsigned columns = MIN2(tile_width, width - col);
409 memcpy(dst2, src2, columns * sizeof(uint64_t));
417 static void micro_untile_1_x_1_128bit(const void * src, unsigned src_pitch,
418 void * dst, unsigned dst_pitch,
419 unsigned width, unsigned height)
422 const unsigned elem_size = 16; /* sizeof(uint128_t) */
424 for (j = 0; j < height; ++j)
426 for (i = 0; i < width; ++i)
428 memcpy(dst, src, width * elem_size);
429 dst += dst_pitch * elem_size;
430 src += src_pitch * elem_size;
435 void untile_image(const void * src, unsigned src_pitch,
436 void *dst, unsigned dst_pitch,
437 gl_format format, unsigned width, unsigned height)
439 assert(src_pitch >= width);
440 assert(dst_pitch >= width);
442 radeon_print(RADEON_TEXTURE, RADEON_TRACE,
443 "Software untiling: src_pitch %d, dst_pitch %d, width %d, height %d, bpp %d\n",
444 src_pitch, dst_pitch, width, height, _mesa_get_format_bytes(format));
446 switch (_mesa_get_format_bytes(format))
449 micro_untile_1_x_1_128bit(src, src_pitch, dst, dst_pitch, width, height);
452 micro_untile_2_x_2_64bit(src, src_pitch, dst, dst_pitch, width, height);
455 micro_untile_4_x_2_32bit(src, src_pitch, dst, dst_pitch, width, height);
458 if (_mesa_get_format_bits(format, GL_DEPTH_BITS))
460 micro_untile_4_x_4_16bit(src, src_pitch, dst, dst_pitch, width, height);
464 micro_untile_8_x_2_16bit(src, src_pitch, dst, dst_pitch, width, height);
468 micro_untile_8_x_4_8bit(src, src_pitch, dst, dst_pitch, width, height);
476 void get_tile_size(gl_format format, unsigned *block_width, unsigned *block_height)
478 switch (_mesa_get_format_bytes(format))
493 if (_mesa_get_format_bits(format, GL_DEPTH_BITS))