Jean-Luc Brouillet | be21638 | 2015-03-22 12:44:27 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (C) 2015 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 | // Don't edit this file! It is auto-generated by frameworks/rs/api/gen_runtime. |
| 18 | |
| 19 | /* |
| 20 | * rs_vector_math.rsh: TODO Add documentation |
| 21 | * |
| 22 | * TODO Add documentation |
| 23 | */ |
| 24 | #ifndef RENDERSCRIPT_RS_VECTOR_MATH_RSH |
| 25 | #define RENDERSCRIPT_RS_VECTOR_MATH_RSH |
| 26 | |
| 27 | /* |
| 28 | * cross: Cross product of two vectors |
| 29 | * |
| 30 | * Computes the cross product of two vectors. |
| 31 | */ |
| 32 | extern float3 __attribute__((const, overloadable)) |
| 33 | cross(float3 left_vector, float3 right_vector); |
| 34 | |
| 35 | extern float4 __attribute__((const, overloadable)) |
| 36 | cross(float4 left_vector, float4 right_vector); |
| 37 | |
| 38 | /* |
| 39 | * distance: Distance between two points |
| 40 | * |
| 41 | * Compute the distance between two points. |
| 42 | * |
| 43 | * See also fast_distance(), native_distance(). |
| 44 | */ |
| 45 | extern float __attribute__((const, overloadable)) |
| 46 | distance(float left_vector, float right_vector); |
| 47 | |
| 48 | extern float __attribute__((const, overloadable)) |
| 49 | distance(float2 left_vector, float2 right_vector); |
| 50 | |
| 51 | extern float __attribute__((const, overloadable)) |
| 52 | distance(float3 left_vector, float3 right_vector); |
| 53 | |
| 54 | extern float __attribute__((const, overloadable)) |
| 55 | distance(float4 left_vector, float4 right_vector); |
| 56 | |
| 57 | /* |
| 58 | * dot: Dot product of two vectors |
| 59 | * |
| 60 | * Computes the dot product of two vectors. |
| 61 | */ |
| 62 | extern float __attribute__((const, overloadable)) |
| 63 | dot(float left_vector, float right_vector); |
| 64 | |
| 65 | extern float __attribute__((const, overloadable)) |
| 66 | dot(float2 left_vector, float2 right_vector); |
| 67 | |
| 68 | extern float __attribute__((const, overloadable)) |
| 69 | dot(float3 left_vector, float3 right_vector); |
| 70 | |
| 71 | extern float __attribute__((const, overloadable)) |
| 72 | dot(float4 left_vector, float4 right_vector); |
| 73 | |
| 74 | /* |
| 75 | * fast_distance: Approximate distance between two points |
| 76 | * |
| 77 | * Computes the approximate distance between two points. |
| 78 | * |
| 79 | * The precision is what would be expected from doing the computation using 16 bit floating point values. |
| 80 | * |
| 81 | * See also distance(), native_distance(). |
| 82 | */ |
| 83 | #if (defined(RS_VERSION) && (RS_VERSION >= 17)) |
| 84 | extern float __attribute__((const, overloadable)) |
| 85 | fast_distance(float left_vector, float right_vector); |
| 86 | #endif |
| 87 | |
| 88 | #if (defined(RS_VERSION) && (RS_VERSION >= 17)) |
| 89 | extern float __attribute__((const, overloadable)) |
| 90 | fast_distance(float2 left_vector, float2 right_vector); |
| 91 | #endif |
| 92 | |
| 93 | #if (defined(RS_VERSION) && (RS_VERSION >= 17)) |
| 94 | extern float __attribute__((const, overloadable)) |
| 95 | fast_distance(float3 left_vector, float3 right_vector); |
| 96 | #endif |
| 97 | |
| 98 | #if (defined(RS_VERSION) && (RS_VERSION >= 17)) |
| 99 | extern float __attribute__((const, overloadable)) |
| 100 | fast_distance(float4 left_vector, float4 right_vector); |
| 101 | #endif |
| 102 | |
| 103 | /* |
| 104 | * fast_length: Approximate length of a vector |
| 105 | * |
| 106 | * Computes the approximate length of a vector. |
| 107 | * |
| 108 | * The precision is what would be expected from doing the computation using 16 bit floating point values. |
| 109 | * |
| 110 | * See also length(), native_length(). |
| 111 | */ |
| 112 | #if (defined(RS_VERSION) && (RS_VERSION >= 17)) |
| 113 | extern float __attribute__((const, overloadable)) |
| 114 | fast_length(float v); |
| 115 | #endif |
| 116 | |
| 117 | #if (defined(RS_VERSION) && (RS_VERSION >= 17)) |
| 118 | extern float __attribute__((const, overloadable)) |
| 119 | fast_length(float2 v); |
| 120 | #endif |
| 121 | |
| 122 | #if (defined(RS_VERSION) && (RS_VERSION >= 17)) |
| 123 | extern float __attribute__((const, overloadable)) |
| 124 | fast_length(float3 v); |
| 125 | #endif |
| 126 | |
| 127 | #if (defined(RS_VERSION) && (RS_VERSION >= 17)) |
| 128 | extern float __attribute__((const, overloadable)) |
| 129 | fast_length(float4 v); |
| 130 | #endif |
| 131 | |
| 132 | /* |
| 133 | * fast_normalize: Approximate normalized vector |
| 134 | * |
| 135 | * Approximately normalizes a vector. |
| 136 | * |
| 137 | * For vectors of size 1, returns -1.f for negative values, 0.f for null values, and 1.f for positive values. |
| 138 | * |
| 139 | * The precision is what would be expected from doing the computation using 16 bit floating point values. |
| 140 | * |
| 141 | * See also normalize(), native_normalize(). |
| 142 | */ |
| 143 | #if (defined(RS_VERSION) && (RS_VERSION >= 17)) |
| 144 | extern float __attribute__((const, overloadable)) |
| 145 | fast_normalize(float v); |
| 146 | #endif |
| 147 | |
| 148 | #if (defined(RS_VERSION) && (RS_VERSION >= 17)) |
| 149 | extern float2 __attribute__((const, overloadable)) |
| 150 | fast_normalize(float2 v); |
| 151 | #endif |
| 152 | |
| 153 | #if (defined(RS_VERSION) && (RS_VERSION >= 17)) |
| 154 | extern float3 __attribute__((const, overloadable)) |
| 155 | fast_normalize(float3 v); |
| 156 | #endif |
| 157 | |
| 158 | #if (defined(RS_VERSION) && (RS_VERSION >= 17)) |
| 159 | extern float4 __attribute__((const, overloadable)) |
| 160 | fast_normalize(float4 v); |
| 161 | #endif |
| 162 | |
| 163 | /* |
| 164 | * length: Length of a vector |
| 165 | * |
| 166 | * Computes the length of a vector. |
| 167 | * |
| 168 | * See also fast_length(), native_length(). |
| 169 | */ |
| 170 | extern float __attribute__((const, overloadable)) |
| 171 | length(float v); |
| 172 | |
| 173 | extern float __attribute__((const, overloadable)) |
| 174 | length(float2 v); |
| 175 | |
| 176 | extern float __attribute__((const, overloadable)) |
| 177 | length(float3 v); |
| 178 | |
| 179 | extern float __attribute__((const, overloadable)) |
| 180 | length(float4 v); |
| 181 | |
| 182 | /* |
| 183 | * native_distance: Approximate distance between two points |
| 184 | * |
| 185 | * Computes the approximate distance between two points. |
| 186 | * |
| 187 | * See also distance(), fast_distance(). |
| 188 | */ |
| 189 | #if (defined(RS_VERSION) && (RS_VERSION >= 21)) |
| 190 | extern float __attribute__((const, overloadable)) |
| 191 | native_distance(float left_vector, float right_vector); |
| 192 | #endif |
| 193 | |
| 194 | #if (defined(RS_VERSION) && (RS_VERSION >= 21)) |
| 195 | extern float __attribute__((const, overloadable)) |
| 196 | native_distance(float2 left_vector, float2 right_vector); |
| 197 | #endif |
| 198 | |
| 199 | #if (defined(RS_VERSION) && (RS_VERSION >= 21)) |
| 200 | extern float __attribute__((const, overloadable)) |
| 201 | native_distance(float3 left_vector, float3 right_vector); |
| 202 | #endif |
| 203 | |
| 204 | #if (defined(RS_VERSION) && (RS_VERSION >= 21)) |
| 205 | extern float __attribute__((const, overloadable)) |
| 206 | native_distance(float4 left_vector, float4 right_vector); |
| 207 | #endif |
| 208 | |
| 209 | /* |
| 210 | * native_length: Approximate length of a vector |
| 211 | * |
| 212 | * Compute the approximate length of a vector. |
| 213 | * |
| 214 | * See also length(), fast_length(). |
| 215 | */ |
| 216 | #if (defined(RS_VERSION) && (RS_VERSION >= 21)) |
| 217 | extern float __attribute__((const, overloadable)) |
| 218 | native_length(float v); |
| 219 | #endif |
| 220 | |
| 221 | #if (defined(RS_VERSION) && (RS_VERSION >= 21)) |
| 222 | extern float __attribute__((const, overloadable)) |
| 223 | native_length(float2 v); |
| 224 | #endif |
| 225 | |
| 226 | #if (defined(RS_VERSION) && (RS_VERSION >= 21)) |
| 227 | extern float __attribute__((const, overloadable)) |
| 228 | native_length(float3 v); |
| 229 | #endif |
| 230 | |
| 231 | #if (defined(RS_VERSION) && (RS_VERSION >= 21)) |
| 232 | extern float __attribute__((const, overloadable)) |
| 233 | native_length(float4 v); |
| 234 | #endif |
| 235 | |
| 236 | /* |
| 237 | * native_normalize: Approximately normalize a vector |
| 238 | * |
| 239 | * Approximately normalizes a vector. |
| 240 | * |
| 241 | * See also normalize(), fast_normalize(). |
| 242 | */ |
| 243 | #if (defined(RS_VERSION) && (RS_VERSION >= 21)) |
| 244 | extern float __attribute__((const, overloadable)) |
| 245 | native_normalize(float v); |
| 246 | #endif |
| 247 | |
| 248 | #if (defined(RS_VERSION) && (RS_VERSION >= 21)) |
| 249 | extern float2 __attribute__((const, overloadable)) |
| 250 | native_normalize(float2 v); |
| 251 | #endif |
| 252 | |
| 253 | #if (defined(RS_VERSION) && (RS_VERSION >= 21)) |
| 254 | extern float3 __attribute__((const, overloadable)) |
| 255 | native_normalize(float3 v); |
| 256 | #endif |
| 257 | |
| 258 | #if (defined(RS_VERSION) && (RS_VERSION >= 21)) |
| 259 | extern float4 __attribute__((const, overloadable)) |
| 260 | native_normalize(float4 v); |
| 261 | #endif |
| 262 | |
| 263 | /* |
| 264 | * normalize: Normalize a vector |
| 265 | * |
| 266 | * Normalize a vector. |
| 267 | * |
| 268 | * For vectors of size 1, returns -1.f for negative values, 0.f for null values, and 1.f for positive values. |
| 269 | * |
| 270 | * See also fast_normalize(), native_normalize(). |
| 271 | */ |
| 272 | extern float __attribute__((const, overloadable)) |
| 273 | normalize(float v); |
| 274 | |
| 275 | extern float2 __attribute__((const, overloadable)) |
| 276 | normalize(float2 v); |
| 277 | |
| 278 | extern float3 __attribute__((const, overloadable)) |
| 279 | normalize(float3 v); |
| 280 | |
| 281 | extern float4 __attribute__((const, overloadable)) |
| 282 | normalize(float4 v); |
| 283 | |
| 284 | #endif // RENDERSCRIPT_RS_VECTOR_MATH_RSH |