1/*
2 * Copyright (C) 2012 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
18
19typedef uint8_t uchar;
20typedef uint16_t ushort;
21typedef uint32_t uint;
22
23typedef float float2 __attribute__((ext_vector_type(2)));
24typedef float float3 __attribute__((ext_vector_type(3)));
25typedef float float4 __attribute__((ext_vector_type(4)));
26typedef uchar uchar2 __attribute__((ext_vector_type(2)));
27typedef uchar uchar3 __attribute__((ext_vector_type(3)));
28typedef uchar uchar4 __attribute__((ext_vector_type(4)));
29typedef ushort ushort2 __attribute__((ext_vector_type(2)));
30typedef ushort ushort3 __attribute__((ext_vector_type(3)));
31typedef ushort ushort4 __attribute__((ext_vector_type(4)));
32typedef uint uint2 __attribute__((ext_vector_type(2)));
33typedef uint uint3 __attribute__((ext_vector_type(3)));
34typedef uint uint4 __attribute__((ext_vector_type(4)));
35typedef char char2 __attribute__((ext_vector_type(2)));
36typedef char char3 __attribute__((ext_vector_type(3)));
37typedef char char4 __attribute__((ext_vector_type(4)));
38typedef short short2 __attribute__((ext_vector_type(2)));
39typedef short short3 __attribute__((ext_vector_type(3)));
40typedef short short4 __attribute__((ext_vector_type(4)));
41typedef int int2 __attribute__((ext_vector_type(2)));
42typedef int int3 __attribute__((ext_vector_type(3)));
43typedef int int4 __attribute__((ext_vector_type(4)));
44typedef long long2 __attribute__((ext_vector_type(2)));
45typedef long long3 __attribute__((ext_vector_type(3)));
46typedef long long4 __attribute__((ext_vector_type(4)));
47
48enum IntrinsicEnums {
49    INTRINSIC_UNDEFINED,
50    INTRINSIC_CONVOLVE_3x3,
51    INTRINXIC_COLORMATRIX
52
53};
54
55#define CVT_FUNC_2(typeout, typein)                             \
56static inline typeout##2 __attribute__((const, overloadable))   \
57    convert_##typeout##2(typein##2 i) {                         \
58        typeout##2 f = {(typeout)i.x, (typeout)i.y};            \
59        return f;                                               \
60    }                                                           \
61static inline typeout##3 __attribute__((const, overloadable))   \
62    convert_##typeout##3(typein##3 i) {                         \
63        typeout##3 f = {(typeout)i.x, (typeout)i.y, (typeout)i.z}; \
64        return f;                                               \
65    }                                                           \
66static inline typeout##4 __attribute__((const, overloadable))   \
67    convert_##typeout##4(typein##4 i) {                         \
68        typeout##4 f = {(typeout)i.x, (typeout)i.y, (typeout)i.z, (typeout)i.w}; \
69        return f;                                               \
70    }
71#define CVT_FUNC(type)  CVT_FUNC_2(type, uchar)     \
72                        CVT_FUNC_2(type, char)      \
73                        CVT_FUNC_2(type, ushort)    \
74                        CVT_FUNC_2(type, short)     \
75                        CVT_FUNC_2(type, uint)      \
76                        CVT_FUNC_2(type, int)       \
77                        CVT_FUNC_2(type, float)
78CVT_FUNC(char)
79CVT_FUNC(uchar)
80CVT_FUNC(short)
81CVT_FUNC(ushort)
82CVT_FUNC(int)
83CVT_FUNC(uint)
84CVT_FUNC(float)
85
86
87static inline int4 clamp(int4 amount, int low, int high) {
88    int4 r;
89    r.x = amount.x < low ? low : (amount.x > high ? high : amount.x);
90    r.y = amount.y < low ? low : (amount.y > high ? high : amount.y);
91    r.z = amount.z < low ? low : (amount.z > high ? high : amount.z);
92    r.w = amount.w < low ? low : (amount.w > high ? high : amount.w);
93    return r;
94}
95
96static inline float4 clamp(float4 amount, float low, float high) {
97    float4 r;
98    r.x = amount.x < low ? low : (amount.x > high ? high : amount.x);
99    r.y = amount.y < low ? low : (amount.y > high ? high : amount.y);
100    r.z = amount.z < low ? low : (amount.z > high ? high : amount.z);
101    r.w = amount.w < low ? low : (amount.w > high ? high : amount.w);
102    return r;
103}
104
105static inline int2 clamp(int2 amount, int low, int high) {
106    int2 r;
107    r.x = amount.x < low ? low : (amount.x > high ? high : amount.x);
108    r.y = amount.y < low ? low : (amount.y > high ? high : amount.y);
109    return r;
110}
111
112static inline float2 clamp(float2 amount, float low, float high) {
113    float2 r;
114    r.x = amount.x < low ? low : (amount.x > high ? high : amount.x);
115    r.y = amount.y < low ? low : (amount.y > high ? high : amount.y);
116    return r;
117}
118
119static inline int clamp(int amount, int low, int high) {
120    return amount < low ? low : (amount > high ? high : amount);
121}
122
123static inline float clamp(float amount, float low, float high) {
124    return amount < low ? low : (amount > high ? high : amount);
125}
126
127