| OLD | NEW |
| 1 | 1 |
| 2 /* | 2 /* |
| 3 * Copyright 2006 The Android Open Source Project | 3 * Copyright 2006 The Android Open Source Project |
| 4 * | 4 * |
| 5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
| 6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
| 7 */ | 7 */ |
| 8 | 8 |
| 9 | 9 |
| 10 #ifndef SkFixed_DEFINED | 10 #ifndef SkFixed_DEFINED |
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| 183 } | 183 } |
| 184 inline SkFixed SkFixedSquare_longlong(SkFixed value) | 184 inline SkFixed SkFixedSquare_longlong(SkFixed value) |
| 185 { | 185 { |
| 186 return (SkFixed)((SkLONGLONG)value * value >> 16); | 186 return (SkFixed)((SkLONGLONG)value * value >> 16); |
| 187 } | 187 } |
| 188 #define SkFixedMul(a,b) SkFixedMul_longlong(a,b) | 188 #define SkFixedMul(a,b) SkFixedMul_longlong(a,b) |
| 189 #define SkFractMul(a,b) SkFractMul_longlong(a,b) | 189 #define SkFractMul(a,b) SkFractMul_longlong(a,b) |
| 190 #define SkFixedSquare(a) SkFixedSquare_longlong(a) | 190 #define SkFixedSquare(a) SkFixedSquare_longlong(a) |
| 191 #endif | 191 #endif |
| 192 | 192 |
| 193 #if defined(SK_CPU_ARM) && !defined(__thumb__) | 193 #if defined(SK_CPU_ARM) |
| 194 /* This guy does not handle NaN or other obscurities, but is faster than | 194 /* This guy does not handle NaN or other obscurities, but is faster than |
| 195 than (int)(x*65536) | 195 than (int)(x*65536) |
| 196 */ | 196 */ |
| 197 inline SkFixed SkFloatToFixed_arm(float x) | 197 inline SkFixed SkFloatToFixed_arm(float x) |
| 198 { | 198 { |
| 199 register int32_t y, z; | 199 register int32_t y, z; |
| 200 asm("movs %1, %3, lsl #1 \n" | 200 asm("movs %1, %3, lsl #1 \n" |
| 201 "mov %2, #0x8E \n" | 201 "mov %2, #0x8E \n" |
| 202 "sub %1, %2, %1, lsr #24 \n" | 202 "sub %1, %2, %1, lsr #24 \n" |
| 203 "mov %2, %3, lsl #8 \n" | 203 "mov %2, %3, lsl #8 \n" |
| 204 "orr %2, %2, #0x80000000 \n" | 204 "orr %2, %2, #0x80000000 \n" |
| 205 "mov %1, %2, lsr %1 \n" | 205 "mov %1, %2, lsr %1 \n" |
| 206 "it cs \n" |
| 206 "rsbcs %1, %1, #0 \n" | 207 "rsbcs %1, %1, #0 \n" |
| 207 : "=r"(x), "=&r"(y), "=&r"(z) | 208 : "=r"(x), "=&r"(y), "=&r"(z) |
| 208 : "r"(x) | 209 : "r"(x) |
| 209 : "cc" | 210 : "cc" |
| 210 ); | 211 ); |
| 211 return y; | 212 return y; |
| 212 } | 213 } |
| 213 inline SkFixed SkFixedMul_arm(SkFixed x, SkFixed y) | 214 inline SkFixed SkFixedMul_arm(SkFixed x, SkFixed y) |
| 214 { | 215 { |
| 215 register int32_t t; | 216 register int32_t t; |
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| 281 #define SkFixed48ToFixed(x) ((SkFixed)((x) >> 32)) | 282 #define SkFixed48ToFixed(x) ((SkFixed)((x) >> 32)) |
| 282 #define SkFloatToFixed48(x) ((SkFixed48)((x) * (65536.0f * 65536.0f * 65536.
0f))) | 283 #define SkFloatToFixed48(x) ((SkFixed48)((x) * (65536.0f * 65536.0f * 65536.
0f))) |
| 283 | 284 |
| 284 #ifdef SK_SCALAR_IS_FLOAT | 285 #ifdef SK_SCALAR_IS_FLOAT |
| 285 #define SkScalarToFixed48(x) SkFloatToFixed48(x) | 286 #define SkScalarToFixed48(x) SkFloatToFixed48(x) |
| 286 #else | 287 #else |
| 287 #define SkScalarToFixed48(x) SkFixedToFixed48(x) | 288 #define SkScalarToFixed48(x) SkFixedToFixed48(x) |
| 288 #endif | 289 #endif |
| 289 | 290 |
| 290 #endif | 291 #endif |
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