1 /*
2 * Copyright (C) 2009 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #ifndef ANDROID_RS_UTILS_H
18 #define ANDROID_RS_UTILS_H
19
20 #define LOG_NDEBUG 0
21 #define LOG_TAG "RenderScript"
22
23 #include <utils/Log.h>
24
25 #include "rsStream.h"
26
27 #include <utils/String8.h>
28 #include <utils/Vector.h>
29
30 #include <stdlib.h>
31 #include <pthread.h>
32 #include <time.h>
33 #include <cutils/atomic.h>
34
35 #include <math.h>
36
37 #include "RenderScript.h"
38
39 namespace android {
40 namespace renderscript {
41
42 #if 1
43 #define rsAssert(v) do {if(!(v)) LOGE("rsAssert failed: %s, in %s at %i", #v, __FILE__, __LINE__);} while (0)
44 #else
45 #define rsAssert(v) while (0)
46 #endif
47
48 typedef float rsvF_2 __attribute__ ((vector_size (8)));
49 typedef float rsvF_4 __attribute__ ((vector_size (16)));
50 typedef uint8_t rsvU8_4 __attribute__ ((vector_size (4)));
51
52 union float2 {
53 rsvF_2 v;
54 float f[2];
55 };
56
57 union float4 {
58 rsvF_4 v;
59 float f[4];
60 };
61
62 union uchar4 {
63 rsvU8_4 v;
64 uint8_t f[4];
65 uint32_t packed;
66 };
67
68 template<typename T>
rsMin(T in1,T in2)69 T rsMin(T in1, T in2)
70 {
71 if (in1 > in2) {
72 return in2;
73 }
74 return in1;
75 }
76
77 template<typename T>
rsMax(T in1,T in2)78 T rsMax(T in1, T in2) {
79 if (in1 < in2) {
80 return in2;
81 }
82 return in1;
83 }
84
85 template<typename T>
rsFindHighBit(T val)86 T rsFindHighBit(T val) {
87 uint32_t bit = 0;
88 while (val > 1) {
89 bit++;
90 val>>=1;
91 }
92 return bit;
93 }
94
95 template<typename T>
rsIsPow2(T val)96 bool rsIsPow2(T val) {
97 return (val & (val-1)) == 0;
98 }
99
100 template<typename T>
rsHigherPow2(T v)101 T rsHigherPow2(T v) {
102 if (rsIsPow2(v)) {
103 return v;
104 }
105 return 1 << (rsFindHighBit(v) + 1);
106 }
107
108 template<typename T>
rsLowerPow2(T v)109 T rsLowerPow2(T v) {
110 if (rsIsPow2(v)) {
111 return v;
112 }
113 return 1 << rsFindHighBit(v);
114 }
115
rs888to565(uint32_t r,uint32_t g,uint32_t b)116 static inline uint16_t rs888to565(uint32_t r, uint32_t g, uint32_t b) {
117 uint16_t t = 0;
118 t |= b >> 3;
119 t |= (g >> 2) << 5;
120 t |= (r >> 3) << 11;
121 return t;
122 }
123
rsBoxFilter565(uint16_t i1,uint16_t i2,uint16_t i3,uint16_t i4)124 static inline uint16_t rsBoxFilter565(uint16_t i1, uint16_t i2, uint16_t i3, uint16_t i4) {
125 uint32_t r = ((i1 & 0x1f) + (i2 & 0x1f) + (i3 & 0x1f) + (i4 & 0x1f));
126 uint32_t g = ((i1 >> 5) & 0x3f) + ((i2 >> 5) & 0x3f) + ((i3 >> 5) & 0x3f) + ((i4 >> 5) & 0x3f);
127 uint32_t b = ((i1 >> 11) + (i2 >> 11) + (i3 >> 11) + (i4 >> 11));
128 return (r >> 2) | ((g >> 2) << 5) | ((b >> 2) << 11);
129 }
130
rsBoxFilter8888(uint32_t i1,uint32_t i2,uint32_t i3,uint32_t i4)131 static inline uint32_t rsBoxFilter8888(uint32_t i1, uint32_t i2, uint32_t i3, uint32_t i4) {
132 uint32_t r = (i1 & 0xff) + (i2 & 0xff) + (i3 & 0xff) + (i4 & 0xff);
133 uint32_t g = ((i1 >> 8) & 0xff) + ((i2 >> 8) & 0xff) + ((i3 >> 8) & 0xff) + ((i4 >> 8) & 0xff);
134 uint32_t b = ((i1 >> 16) & 0xff) + ((i2 >> 16) & 0xff) + ((i3 >> 16) & 0xff) + ((i4 >> 16) & 0xff);
135 uint32_t a = ((i1 >> 24) & 0xff) + ((i2 >> 24) & 0xff) + ((i3 >> 24) & 0xff) + ((i4 >> 24) & 0xff);
136 return (r >> 2) | ((g >> 2) << 8) | ((b >> 2) << 16) | ((a >> 2) << 24);
137 }
138
139 }
140 }
141
142 #endif //ANDROID_RS_OBJECT_BASE_H
143
144
145