| // Copyright 2013 The Flutter Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include <impeller/blending.glsl> |
| #include <impeller/color.glsl> |
| #include <impeller/types.glsl> |
| |
| // kScreen = 0, |
| // kOverlay, |
| // kDarken, |
| // kLighten, |
| // kColorDodge, |
| // kColorBurn, |
| // kHardLight, |
| // kSoftLight, |
| // kDifference, |
| // kExclusion, |
| // kMultiply, |
| // kHue, |
| // kSaturation, |
| // kColor, |
| // kLuminosity, |
| // Note, this isn't a switch as GLSL ES 1.0 does not support them. |
| #define AdvancedBlend(blend_type) \ |
| f16vec3 Blend(f16vec3 dst, f16vec3 src) { \ |
| if (blend_type == 0) { \ |
| return IPBlendScreen(dst, src); \ |
| } else if (blend_type == 1) { \ |
| return IPBlendOverlay(dst, src); \ |
| } else if (blend_type == 2) { \ |
| return IPBlendDarken(dst, src); \ |
| } else if (blend_type == 3) { \ |
| return IPBlendLighten(dst, src); \ |
| } else if (blend_type == 4) { \ |
| return IPBlendColorDodge(dst, src); \ |
| } else if (blend_type == 5) { \ |
| return IPBlendColorBurn(dst, src); \ |
| } else if (blend_type == 6) { \ |
| return IPBlendHardLight(dst, src); \ |
| } else if (blend_type == 7) { \ |
| return IPBlendSoftLight(dst, src); \ |
| } else if (blend_type == 8) { \ |
| return IPBlendDifference(dst, src); \ |
| } else if (blend_type == 9) { \ |
| return IPBlendExclusion(dst, src); \ |
| } else if (blend_type == 10) { \ |
| return IPBlendMultiply(dst, src); \ |
| } else if (blend_type == 11) { \ |
| return IPBlendHue(dst, src); \ |
| } else if (blend_type == 12) { \ |
| return IPBlendSaturation(dst, src); \ |
| } else if (blend_type == 13) { \ |
| return IPBlendColor(dst, src); \ |
| } else if (blend_type == 14) { \ |
| return IPBlendLuminosity(dst, src); \ |
| } else { \ |
| return f16vec3(0.0hf); \ |
| } \ |
| } |
