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 #include <utils/Log.h>
23 #include <utils/Vector.h>
24 #include <utils/KeyedVector.h>
25 #include <utils/String8.h>
26 #include <stdlib.h>
27 #include <pthread.h>
28 #include <time.h>
29
30 #include <EGL/egl.h>
31 #include <math.h>
32
33 #include "RenderScript.h"
34
35 namespace android {
36 namespace renderscript {
37
38 #if 1
39 #define rsAssert(v) do {if(!(v)) LOGE("rsAssert failed: %s, in %s at %i", #v, __FILE__, __LINE__);} while(0)
40 #else
41 #define rsAssert(v) while(0)
42 #endif
43
44 template<typename T>
rsMin(T in1,T in2)45 T rsMin(T in1, T in2)
46 {
47 if (in1 > in2) {
48 return in2;
49 }
50 return in1;
51 }
52
53 template<typename T>
rsMax(T in1,T in2)54 T rsMax(T in1, T in2)
55 {
56 if (in1 < in2) {
57 return in2;
58 }
59 return in1;
60 }
61
62 template<typename T>
rsFindHighBit(T val)63 T rsFindHighBit(T val)
64 {
65 uint32_t bit = 0;
66 while(val > 1) {
67 bit++;
68 val>>=1;
69 }
70 return bit;
71 }
72
73 template<typename T>
rsIsPow2(T val)74 bool rsIsPow2(T val)
75 {
76 return (val & (val-1)) == 0;
77 }
78
79 template<typename T>
rsHigherPow2(T v)80 T rsHigherPow2(T v)
81 {
82 if (rsIsPow2(v)) {
83 return v;
84 }
85 return 1 << (rsFindHighBit(v) + 1);
86 }
87
88 template<typename T>
rsLowerPow2(T v)89 T rsLowerPow2(T v)
90 {
91 if (rsIsPow2(v)) {
92 return v;
93 }
94 return 1 << rsFindHighBit(v);
95 }
96
97
rs888to565(uint32_t r,uint32_t g,uint32_t b)98 static inline uint16_t rs888to565(uint32_t r, uint32_t g, uint32_t b)
99 {
100 uint16_t t = 0;
101 t |= b >> 3;
102 t |= (g >> 2) << 5;
103 t |= (r >> 3) << 11;
104 return t;
105 }
106
rsBoxFilter565(uint16_t i1,uint16_t i2,uint16_t i3,uint16_t i4)107 static inline uint16_t rsBoxFilter565(uint16_t i1, uint16_t i2, uint16_t i3, uint16_t i4)
108 {
109 uint32_t r = ((i1 & 0x1f) + (i2 & 0x1f) + (i3 & 0x1f) + (i4 & 0x1f));
110 uint32_t g = ((i1 >> 5) & 0x3f) + ((i2 >> 5) & 0x3f) + ((i3 >> 5) & 0x3f) + ((i4 >> 5) & 0x3f);
111 uint32_t b = ((i1 >> 11) + (i2 >> 11) + (i3 >> 11) + (i4 >> 11));
112 return (r >> 2) | ((g >> 2) << 5) | ((b >> 2) << 11);
113 }
114
rsBoxFilter8888(uint32_t i1,uint32_t i2,uint32_t i3,uint32_t i4)115 static inline uint32_t rsBoxFilter8888(uint32_t i1, uint32_t i2, uint32_t i3, uint32_t i4)
116 {
117 uint32_t r = (i1 & 0xff) + (i2 & 0xff) + (i3 & 0xff) + (i4 & 0xff);
118 uint32_t g = ((i1 >> 8) & 0xff) + ((i2 >> 8) & 0xff) + ((i3 >> 8) & 0xff) + ((i4 >> 8) & 0xff);
119 uint32_t b = ((i1 >> 16) & 0xff) + ((i2 >> 16) & 0xff) + ((i3 >> 16) & 0xff) + ((i4 >> 16) & 0xff);
120 uint32_t a = ((i1 >> 24) & 0xff) + ((i2 >> 24) & 0xff) + ((i3 >> 24) & 0xff) + ((i4 >> 24) & 0xff);
121 return (r >> 2) | ((g >> 2) << 8) | ((b >> 2) << 16) | ((a >> 2) << 24);
122 }
123
124
125
126 }
127 }
128
129 #endif //ANDROID_RS_OBJECT_BASE_H
130
131
132