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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef SkColorCubeFilter_opts_DEFINED | 5 #ifndef SkColorCubeFilter_opts_DEFINED |
6 #define SkColorCubeFilter_opts_DEFINED | 6 #define SkColorCubeFilter_opts_DEFINED |
7 | 7 |
8 #include "SkColor.h" | 8 #include "SkColor.h" |
9 #include "SkNx.h" | 9 #include "SkNx.h" |
10 #include "SkUnPreMultiply.h" | 10 #include "SkUnPreMultiply.h" |
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52 | 52 |
53 Sk4f color(0.5f); // Starting from 0.5f gets us rounding for free. | 53 Sk4f color(0.5f); // Starting from 0.5f gets us rounding for free. |
54 for (int x = 0; x < 2; ++x) { | 54 for (int x = 0; x < 2; ++x) { |
55 const int ix = colorToIndex[x][r]; | 55 const int ix = colorToIndex[x][r]; |
56 | 56 |
57 const SkColor lutColor00 = colorCube[ix + i00]; | 57 const SkColor lutColor00 = colorCube[ix + i00]; |
58 const SkColor lutColor01 = colorCube[ix + i01]; | 58 const SkColor lutColor01 = colorCube[ix + i01]; |
59 const SkColor lutColor10 = colorCube[ix + i10]; | 59 const SkColor lutColor10 = colorCube[ix + i10]; |
60 const SkColor lutColor11 = colorCube[ix + i11]; | 60 const SkColor lutColor11 = colorCube[ix + i11]; |
61 | 61 |
62 Sk4f sum = SkNx_cast<float>(Sk4b::Load((const uint8_t*)&lutColor00)
) * g0b0; | 62 Sk4f sum = SkNx_cast<float>(Sk4b::Load(&lutColor00)) * g0b0; |
63 sum = sum + SkNx_cast<float>(Sk4b::Load((const uint8_t*)&lutColor01)
) * g0b1; | 63 sum = sum + SkNx_cast<float>(Sk4b::Load(&lutColor01)) * g0b1; |
64 sum = sum + SkNx_cast<float>(Sk4b::Load((const uint8_t*)&lutColor10)
) * g1b0; | 64 sum = sum + SkNx_cast<float>(Sk4b::Load(&lutColor10)) * g1b0; |
65 sum = sum + SkNx_cast<float>(Sk4b::Load((const uint8_t*)&lutColor11)
) * g1b1; | 65 sum = sum + SkNx_cast<float>(Sk4b::Load(&lutColor11)) * g1b1; |
66 color = color + sum * Sk4f((float)colorToFactors[x][r]); | 66 color = color + sum * Sk4f((float)colorToFactors[x][r]); |
67 } | 67 } |
68 if (a != 255) { | 68 if (a != 255) { |
69 color = color * Sk4f(a * (1.0f/255)); | 69 color = color * Sk4f(a * (1.0f/255)); |
70 } | 70 } |
71 | 71 |
72 // color is BGRA (SkColor order), dst is SkPMColor order, so may need to
swap R+B. | 72 // color is BGRA (SkColor order), dst is SkPMColor order, so may need to
swap R+B. |
73 #if defined(SK_PMCOLOR_IS_RGBA) | 73 #if defined(SK_PMCOLOR_IS_RGBA) |
74 color = SkNx_shuffle<2,1,0,3>(color); | 74 color = SkNx_shuffle<2,1,0,3>(color); |
75 #endif | 75 #endif |
76 uint8_t* dstBytes = (uint8_t*)(dst+i); | 76 uint8_t* dstBytes = (uint8_t*)(dst+i); |
77 SkNx_cast<uint8_t>(color).store(dstBytes); | 77 SkNx_cast<uint8_t>(color).store(dstBytes); |
78 dstBytes[SK_A32_SHIFT/8] = a; | 78 dstBytes[SK_A32_SHIFT/8] = a; |
79 } | 79 } |
80 } | 80 } |
81 | 81 |
82 } // namespace SK_OPTS NS | 82 } // namespace SK_OPTS NS |
83 | 83 |
84 #endif // SkColorCubeFilter_opts_DEFINED | 84 #endif // SkColorCubeFilter_opts_DEFINED |
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