1 /*
2  * Copyright © 2008 Mozilla Corporation
3  *
4  * Permission to use, copy, modify, distribute, and sell this software and its
5  * documentation for any purpose is hereby granted without fee, provided that
6  * the above copyright notice appear in all copies and that both that
7  * copyright notice and this permission notice appear in supporting
8  * documentation, and that the name of Mozilla Corporation not be used in
9  * advertising or publicity pertaining to distribution of the software without
10  * specific, written prior permission.  Mozilla Corporation makes no
11  * representations about the suitability of this software for any purpose.  It
12  * is provided "as is" without express or implied warranty.
13  *
14  * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
15  * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
16  * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
17  * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
18  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
19  * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
20  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
21  * SOFTWARE.
22  *
23  * Author:  Jeff Muizelaar (jeff@infidigm.net)
24  *
25  */
26 #ifdef HAVE_CONFIG_H
27 #include <config.h>
28 #endif
29 
30 #include "pixman-private.h"
31 #include "pixman-arm-common.h"
32 #include "pixman-inlines.h"
33 
34 PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (armv6, src_8888_8888,
35 		                   uint32_t, 1, uint32_t, 1)
36 PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (armv6, src_x888_8888,
37                                    uint32_t, 1, uint32_t, 1)
38 PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (armv6, src_0565_0565,
39                                    uint16_t, 1, uint16_t, 1)
40 PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (armv6, src_8_8,
41                                    uint8_t, 1, uint8_t, 1)
42 PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (armv6, src_0565_8888,
43                                    uint16_t, 1, uint32_t, 1)
44 
45 PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (armv6, add_8_8,
46                                    uint8_t, 1, uint8_t, 1)
47 PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (armv6, over_8888_8888,
48                                    uint32_t, 1, uint32_t, 1)
49 
50 PIXMAN_ARM_BIND_FAST_PATH_SRC_N_DST (SKIP_ZERO_MASK, armv6, over_8888_n_8888,
51                                      uint32_t, 1, uint32_t, 1)
52 
53 PIXMAN_ARM_BIND_FAST_PATH_N_MASK_DST (SKIP_ZERO_SRC, armv6, over_n_8_8888,
54                                       uint8_t, 1, uint32_t, 1)
55 
56 PIXMAN_ARM_BIND_SCALED_NEAREST_SRC_DST (armv6, 0565_0565, SRC,
57                                         uint16_t, uint16_t)
58 PIXMAN_ARM_BIND_SCALED_NEAREST_SRC_DST (armv6, 8888_8888, SRC,
59                                         uint32_t, uint32_t)
60 
61 void
62 pixman_composite_src_n_8888_asm_armv6 (int32_t   w,
63                                        int32_t   h,
64                                        uint32_t *dst,
65                                        int32_t   dst_stride,
66                                        uint32_t  src);
67 
68 void
69 pixman_composite_src_n_0565_asm_armv6 (int32_t   w,
70                                        int32_t   h,
71                                        uint16_t *dst,
72                                        int32_t   dst_stride,
73                                        uint16_t  src);
74 
75 void
76 pixman_composite_src_n_8_asm_armv6 (int32_t   w,
77                                     int32_t   h,
78                                     uint8_t  *dst,
79                                     int32_t   dst_stride,
80                                     uint8_t  src);
81 
82 static pixman_bool_t
arm_simd_fill(pixman_implementation_t * imp,uint32_t * bits,int stride,int bpp,int x,int y,int width,int height,uint32_t _xor)83 arm_simd_fill (pixman_implementation_t *imp,
84                uint32_t *               bits,
85                int                      stride, /* in 32-bit words */
86                int                      bpp,
87                int                      x,
88                int                      y,
89                int                      width,
90                int                      height,
91                uint32_t                 _xor)
92 {
93     /* stride is always multiple of 32bit units in pixman */
94     uint32_t byte_stride = stride * sizeof(uint32_t);
95 
96     switch (bpp)
97     {
98     case 8:
99 	pixman_composite_src_n_8_asm_armv6 (
100 		width,
101 		height,
102 		(uint8_t *)(((char *) bits) + y * byte_stride + x),
103 		byte_stride,
104 		_xor & 0xff);
105 	return TRUE;
106     case 16:
107 	pixman_composite_src_n_0565_asm_armv6 (
108 		width,
109 		height,
110 		(uint16_t *)(((char *) bits) + y * byte_stride + x * 2),
111 		byte_stride / 2,
112 		_xor & 0xffff);
113 	return TRUE;
114     case 32:
115 	pixman_composite_src_n_8888_asm_armv6 (
116 		width,
117 		height,
118 		(uint32_t *)(((char *) bits) + y * byte_stride + x * 4),
119 		byte_stride / 4,
120 		_xor);
121 	return TRUE;
122     default:
123 	return FALSE;
124     }
125 }
126 
127 static pixman_bool_t
arm_simd_blt(pixman_implementation_t * imp,uint32_t * src_bits,uint32_t * dst_bits,int src_stride,int dst_stride,int src_bpp,int dst_bpp,int src_x,int src_y,int dest_x,int dest_y,int width,int height)128 arm_simd_blt (pixman_implementation_t *imp,
129               uint32_t *               src_bits,
130               uint32_t *               dst_bits,
131               int                      src_stride, /* in 32-bit words */
132               int                      dst_stride, /* in 32-bit words */
133               int                      src_bpp,
134               int                      dst_bpp,
135               int                      src_x,
136               int                      src_y,
137               int                      dest_x,
138               int                      dest_y,
139               int                      width,
140               int                      height)
141 {
142     if (src_bpp != dst_bpp)
143 	return FALSE;
144 
145     switch (src_bpp)
146     {
147     case 8:
148         pixman_composite_src_8_8_asm_armv6 (
149                 width, height,
150                 (uint8_t *)(((char *) dst_bits) +
151                 dest_y * dst_stride * 4 + dest_x * 1), dst_stride * 4,
152                 (uint8_t *)(((char *) src_bits) +
153                 src_y * src_stride * 4 + src_x * 1), src_stride * 4);
154         return TRUE;
155     case 16:
156 	pixman_composite_src_0565_0565_asm_armv6 (
157 		width, height,
158 		(uint16_t *)(((char *) dst_bits) +
159 		dest_y * dst_stride * 4 + dest_x * 2), dst_stride * 2,
160 		(uint16_t *)(((char *) src_bits) +
161 		src_y * src_stride * 4 + src_x * 2), src_stride * 2);
162 	return TRUE;
163     case 32:
164 	pixman_composite_src_8888_8888_asm_armv6 (
165 		width, height,
166 		(uint32_t *)(((char *) dst_bits) +
167 		dest_y * dst_stride * 4 + dest_x * 4), dst_stride,
168 		(uint32_t *)(((char *) src_bits) +
169 		src_y * src_stride * 4 + src_x * 4), src_stride);
170 	return TRUE;
171     default:
172 	return FALSE;
173     }
174 }
175 
176 static const pixman_fast_path_t arm_simd_fast_paths[] =
177 {
178     PIXMAN_STD_FAST_PATH (SRC, a8r8g8b8, null, a8r8g8b8, armv6_composite_src_8888_8888),
179     PIXMAN_STD_FAST_PATH (SRC, a8b8g8r8, null, a8b8g8r8, armv6_composite_src_8888_8888),
180     PIXMAN_STD_FAST_PATH (SRC, a8r8g8b8, null, x8r8g8b8, armv6_composite_src_8888_8888),
181     PIXMAN_STD_FAST_PATH (SRC, a8b8g8r8, null, x8b8g8r8, armv6_composite_src_8888_8888),
182     PIXMAN_STD_FAST_PATH (SRC, x8r8g8b8, null, x8r8g8b8, armv6_composite_src_8888_8888),
183     PIXMAN_STD_FAST_PATH (SRC, x8b8g8r8, null, x8b8g8r8, armv6_composite_src_8888_8888),
184 
185     PIXMAN_STD_FAST_PATH (SRC, x8b8g8r8, null, a8b8g8r8, armv6_composite_src_x888_8888),
186     PIXMAN_STD_FAST_PATH (SRC, x8r8g8b8, null, a8r8g8b8, armv6_composite_src_x888_8888),
187 
188     PIXMAN_STD_FAST_PATH (SRC, r5g6b5, null, r5g6b5, armv6_composite_src_0565_0565),
189     PIXMAN_STD_FAST_PATH (SRC, b5g6r5, null, b5g6r5, armv6_composite_src_0565_0565),
190     PIXMAN_STD_FAST_PATH (SRC, a1r5g5b5, null, a1r5g5b5, armv6_composite_src_0565_0565),
191     PIXMAN_STD_FAST_PATH (SRC, a1b5g5r5, null, a1b5g5r5, armv6_composite_src_0565_0565),
192     PIXMAN_STD_FAST_PATH (SRC, a1r5g5b5, null, x1r5g5b5, armv6_composite_src_0565_0565),
193     PIXMAN_STD_FAST_PATH (SRC, a1b5g5r5, null, x1b5g5r5, armv6_composite_src_0565_0565),
194     PIXMAN_STD_FAST_PATH (SRC, x1r5g5b5, null, x1r5g5b5, armv6_composite_src_0565_0565),
195     PIXMAN_STD_FAST_PATH (SRC, x1b5g5r5, null, x1b5g5r5, armv6_composite_src_0565_0565),
196     PIXMAN_STD_FAST_PATH (SRC, a4r4g4b4, null, a4r4g4b4, armv6_composite_src_0565_0565),
197     PIXMAN_STD_FAST_PATH (SRC, a4b4g4r4, null, a4b4g4r4, armv6_composite_src_0565_0565),
198     PIXMAN_STD_FAST_PATH (SRC, a4r4g4b4, null, x4r4g4b4, armv6_composite_src_0565_0565),
199     PIXMAN_STD_FAST_PATH (SRC, a4b4g4r4, null, x4b4g4r4, armv6_composite_src_0565_0565),
200     PIXMAN_STD_FAST_PATH (SRC, x4r4g4b4, null, x4r4g4b4, armv6_composite_src_0565_0565),
201     PIXMAN_STD_FAST_PATH (SRC, x4b4g4r4, null, x4b4g4r4, armv6_composite_src_0565_0565),
202 
203     PIXMAN_STD_FAST_PATH (SRC, a8, null, a8, armv6_composite_src_8_8),
204     PIXMAN_STD_FAST_PATH (SRC, r3g3b2, null, r3g3b2, armv6_composite_src_8_8),
205     PIXMAN_STD_FAST_PATH (SRC, b2g3r3, null, b2g3r3, armv6_composite_src_8_8),
206     PIXMAN_STD_FAST_PATH (SRC, a2r2g2b2, null, a2r2g2b2, armv6_composite_src_8_8),
207     PIXMAN_STD_FAST_PATH (SRC, a2b2g2r2, null, a2b2g2r2, armv6_composite_src_8_8),
208     PIXMAN_STD_FAST_PATH (SRC, c8, null, c8, armv6_composite_src_8_8),
209     PIXMAN_STD_FAST_PATH (SRC, g8, null, g8, armv6_composite_src_8_8),
210     PIXMAN_STD_FAST_PATH (SRC, x4a4, null, x4a4, armv6_composite_src_8_8),
211     PIXMAN_STD_FAST_PATH (SRC, x4c4, null, x4c4, armv6_composite_src_8_8),
212     PIXMAN_STD_FAST_PATH (SRC, x4g4, null, x4g4, armv6_composite_src_8_8),
213 
214     PIXMAN_STD_FAST_PATH (SRC, r5g6b5, null, a8r8g8b8, armv6_composite_src_0565_8888),
215     PIXMAN_STD_FAST_PATH (SRC, r5g6b5, null, x8r8g8b8, armv6_composite_src_0565_8888),
216     PIXMAN_STD_FAST_PATH (SRC, b5g6r5, null, a8b8g8r8, armv6_composite_src_0565_8888),
217     PIXMAN_STD_FAST_PATH (SRC, b5g6r5, null, x8b8g8r8, armv6_composite_src_0565_8888),
218 
219     PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, null, a8r8g8b8, armv6_composite_over_8888_8888),
220     PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, null, x8r8g8b8, armv6_composite_over_8888_8888),
221     PIXMAN_STD_FAST_PATH (OVER, a8b8g8r8, null, a8b8g8r8, armv6_composite_over_8888_8888),
222     PIXMAN_STD_FAST_PATH (OVER, a8b8g8r8, null, x8b8g8r8, armv6_composite_over_8888_8888),
223     PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, solid, a8r8g8b8, armv6_composite_over_8888_n_8888),
224     PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, solid, x8r8g8b8, armv6_composite_over_8888_n_8888),
225     PIXMAN_STD_FAST_PATH (OVER, a8b8g8r8, solid, a8b8g8r8, armv6_composite_over_8888_n_8888),
226     PIXMAN_STD_FAST_PATH (OVER, a8b8g8r8, solid, x8b8g8r8, armv6_composite_over_8888_n_8888),
227 
228     PIXMAN_STD_FAST_PATH (ADD, a8, null, a8, armv6_composite_add_8_8),
229 
230     PIXMAN_STD_FAST_PATH (OVER, solid, a8, a8r8g8b8, armv6_composite_over_n_8_8888),
231     PIXMAN_STD_FAST_PATH (OVER, solid, a8, x8r8g8b8, armv6_composite_over_n_8_8888),
232     PIXMAN_STD_FAST_PATH (OVER, solid, a8, a8b8g8r8, armv6_composite_over_n_8_8888),
233     PIXMAN_STD_FAST_PATH (OVER, solid, a8, x8b8g8r8, armv6_composite_over_n_8_8888),
234 
235     PIXMAN_ARM_SIMPLE_NEAREST_FAST_PATH (SRC, r5g6b5, r5g6b5, armv6_0565_0565),
236     PIXMAN_ARM_SIMPLE_NEAREST_FAST_PATH (SRC, b5g6r5, b5g6r5, armv6_0565_0565),
237 
238     PIXMAN_ARM_SIMPLE_NEAREST_FAST_PATH (SRC, a8r8g8b8, a8r8g8b8, armv6_8888_8888),
239     PIXMAN_ARM_SIMPLE_NEAREST_FAST_PATH (SRC, a8r8g8b8, x8r8g8b8, armv6_8888_8888),
240     PIXMAN_ARM_SIMPLE_NEAREST_FAST_PATH (SRC, x8r8g8b8, x8r8g8b8, armv6_8888_8888),
241     PIXMAN_ARM_SIMPLE_NEAREST_FAST_PATH (SRC, a8b8g8r8, a8b8g8r8, armv6_8888_8888),
242     PIXMAN_ARM_SIMPLE_NEAREST_FAST_PATH (SRC, a8b8g8r8, x8b8g8r8, armv6_8888_8888),
243     PIXMAN_ARM_SIMPLE_NEAREST_FAST_PATH (SRC, x8b8g8r8, x8b8g8r8, armv6_8888_8888),
244 
245     { PIXMAN_OP_NONE },
246 };
247 
248 pixman_implementation_t *
_pixman_implementation_create_arm_simd(pixman_implementation_t * fallback)249 _pixman_implementation_create_arm_simd (pixman_implementation_t *fallback)
250 {
251     pixman_implementation_t *imp = _pixman_implementation_create (fallback, arm_simd_fast_paths);
252 
253     imp->blt = arm_simd_blt;
254     imp->fill = arm_simd_fill;
255 
256     return imp;
257 }
258