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 namespace android {
38 namespace renderscript {
39
40 #if 1
41 #define rsAssert(v) do {if(!(v)) ALOGE("rsAssert failed: %s, in %s at %i", #v, __FILE__, __LINE__);} while (0)
42 #else
43 #define rsAssert(v) while (0)
44 #endif
45
46 typedef float rsvF_2 __attribute__ ((vector_size (8)));
47 typedef float rsvF_4 __attribute__ ((vector_size (16)));
48 typedef uint8_t rsvU8_4 __attribute__ ((vector_size (4)));
49
50 union float2 {
51 rsvF_2 v;
52 float f[2];
53 };
54
55 union float4 {
56 rsvF_4 v;
57 float f[4];
58 };
59
60 union uchar4 {
61 rsvU8_4 v;
62 uint8_t f[4];
63 uint32_t packed;
64 };
65
66 template<typename T>
rsMin(T in1,T in2)67 T rsMin(T in1, T in2)
68 {
69 if (in1 > in2) {
70 return in2;
71 }
72 return in1;
73 }
74
75 template<typename T>
rsMax(T in1,T in2)76 T rsMax(T in1, T in2) {
77 if (in1 < in2) {
78 return in2;
79 }
80 return in1;
81 }
82
83 template<typename T>
rsFindHighBit(T val)84 T rsFindHighBit(T val) {
85 uint32_t bit = 0;
86 while (val > 1) {
87 bit++;
88 val>>=1;
89 }
90 return bit;
91 }
92
93 template<typename T>
rsIsPow2(T val)94 bool rsIsPow2(T val) {
95 return (val & (val-1)) == 0;
96 }
97
98 template<typename T>
rsHigherPow2(T v)99 T rsHigherPow2(T v) {
100 if (rsIsPow2(v)) {
101 return v;
102 }
103 return 1 << (rsFindHighBit(v) + 1);
104 }
105
106 template<typename T>
rsLowerPow2(T v)107 T rsLowerPow2(T v) {
108 if (rsIsPow2(v)) {
109 return v;
110 }
111 return 1 << rsFindHighBit(v);
112 }
113
rs888to565(uint32_t r,uint32_t g,uint32_t b)114 static inline uint16_t rs888to565(uint32_t r, uint32_t g, uint32_t b) {
115 uint16_t t = 0;
116 t |= b >> 3;
117 t |= (g >> 2) << 5;
118 t |= (r >> 3) << 11;
119 return t;
120 }
121
rsBoxFilter565(uint16_t i1,uint16_t i2,uint16_t i3,uint16_t i4)122 static inline uint16_t rsBoxFilter565(uint16_t i1, uint16_t i2, uint16_t i3, uint16_t i4) {
123 uint32_t r = ((i1 & 0x1f) + (i2 & 0x1f) + (i3 & 0x1f) + (i4 & 0x1f));
124 uint32_t g = ((i1 >> 5) & 0x3f) + ((i2 >> 5) & 0x3f) + ((i3 >> 5) & 0x3f) + ((i4 >> 5) & 0x3f);
125 uint32_t b = ((i1 >> 11) + (i2 >> 11) + (i3 >> 11) + (i4 >> 11));
126 return (r >> 2) | ((g >> 2) << 5) | ((b >> 2) << 11);
127 }
128
rsBoxFilter8888(uint32_t i1,uint32_t i2,uint32_t i3,uint32_t i4)129 static inline uint32_t rsBoxFilter8888(uint32_t i1, uint32_t i2, uint32_t i3, uint32_t i4) {
130 uint32_t r = (i1 & 0xff) + (i2 & 0xff) + (i3 & 0xff) + (i4 & 0xff);
131 uint32_t g = ((i1 >> 8) & 0xff) + ((i2 >> 8) & 0xff) + ((i3 >> 8) & 0xff) + ((i4 >> 8) & 0xff);
132 uint32_t b = ((i1 >> 16) & 0xff) + ((i2 >> 16) & 0xff) + ((i3 >> 16) & 0xff) + ((i4 >> 16) & 0xff);
133 uint32_t a = ((i1 >> 24) & 0xff) + ((i2 >> 24) & 0xff) + ((i3 >> 24) & 0xff) + ((i4 >> 24) & 0xff);
134 return (r >> 2) | ((g >> 2) << 8) | ((b >> 2) << 16) | ((a >> 2) << 24);
135 }
136
137 }
138 }
139
140 #endif //ANDROID_RS_OBJECT_BASE_H
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